Cutter

Abstract

The cutter comprises a cutter body and a handle body which are connected, the cutter body comprises a body and a cutting edge, the cutting edge is arranged at the end of the body in the height direction, the body is provided with a sunken part sunken in the thickness direction, the sunken part comprises a first end and a second end which are oppositely arranged in the height direction, and the first end and the second end are arranged in the thickness direction. The first end is located on the side, close to the blade, of the second end, and the depth of the second end is larger than that of the first end in the thickness direction. When the cutter is used for cutting food materials, the food materials cut by the cutting edge move upwards relative to the body, when the food materials move to be in contact with the second end of the concave part, the food materials are blocked by the second end, the second end can promote the food materials to be separated from the body, and adsorption between the food materials and the body is reduced. According to the cutter provided by the embodiment of the invention, the concave part is arranged on the body, so that cut food materials are promoted to be separated from the body of the cutter, the anti-sticking performance of the cutter is improved, and the user experience is improved.

Description

Technical Field

[0001] The present application relates to the technical field of kitchen utensils, and in particular to a knife Background Art

[0002] Knives are essential tools in our daily lives. However, when using knives to cut ingredients with a lot of juice, the juice on the ingredients will expel the air between the ingredients and the knife body, causing the ingredients to adhere to the knife body, affecting the user's experience. Utility Model Content

[0003] In view of this, the present application provides a cutting tool to solve the problem of poor anti-sticking performance of cutting tools in the prior art.

[0004] An embodiment of the present application provides a cutting tool, which includes: a cutting tool body, which includes a main body and a blade, and the blade is arranged at the end of the main body along a first direction; a handle body, and the handle body is connected to the cutting tool body; wherein the main body is provided with a recessed portion recessed along a second direction, and the recessed portion includes a first end and a second end arranged opposite to each other along the first direction, the first end is located on a side of the second end close to the blade, and along the second direction, the depth of the second end is greater than the depth of the first end.

[0005] In this embodiment, the first end is close to the blade, and the depth of the first end is small, so as to avoid interference between the first end and the food when the blade cuts the food, thereby affecting the cutting of the blade. The second end is far away from the blade, and the depth of the second end is large. When the cutter is used to cut food, the food cut by the blade moves upward relative to the body. When the food moves to contact the second end of the recessed portion, the food is blocked by the second end, and the second end will cause the food to detach from the body, thereby reducing the adsorption of the food and the body. Therefore, the cutter in this embodiment causes the cut food to detach from the body of the cutter by providing a recessed portion on the body, thereby improving the anti-sticking performance of the cutter and improving the user experience. At the same time, when the recessed portion is provided on the body, the integrity of the blade can be maintained, thereby improving the strength of the blade.

[0006] In a specific embodiment, the depth of the recessed portion gradually increases along a direction from the first end to the second end.

[0007] In this embodiment, the depth of the concave portion increases along the direction from the first end to the second end, so that the second end has a greater depth, thereby enhancing the blocking effect of the second end on food and further enhancing the anti-sticking effect. The side wall surface of the concave portion is also made smoother, which is convenient for processing and reduces production costs.

[0008] In a specific embodiment, the second end is a plane, and the plane where the second end is located has a first preset angle α with the first direction, and the first preset angle α satisfies 75°≤α≤105°.

[0009] In this embodiment, the first preset angle α satisfies 75°≤α≤105°. The first preset angle α should not be too large or too small. When it is too small, the angle between the plane where the second end is located and the first direction is too small along the first direction, that is, the angle at which the second end is tilted upward relative to the horizontal direction (second direction) is too large, and the second end cannot effectively block the food, resulting in the food continuing to move upward relative to the body after passing the second end and being adsorbed on the body, reducing the anti-sticking performance of the cutter. When it is too large, the angle between the plane where the second end is located and the first direction is too large, even if the angle at which the second end is tilted downward relative to the horizontal direction (second direction) is too large, so that a holding space is formed between the second end and the side wall of the recessed portion, it is easy to accumulate food and difficult to clean, and at the same time, the processing difficulty at the second end is greater and difficult to achieve. Therefore, when the first preset angle α satisfies 75°≤α≤105°, the anti-sticking performance of the cutter is higher, and the processing difficulty of the second end is lower, which is easy to achieve.

[0010] In a specific embodiment, along the first direction, the side wall of the recessed portion has a second preset angle β with the first direction, and the second preset angle β satisfies 5°≤β≤15°.

[0011] In this embodiment, the second preset angle β between the side wall of the recessed portion and the first direction satisfies 5°≤β≤15°, so that the second end can effectively block the food while ensuring the strength of the body. When the second preset angle is too large, the side wall of the recessed portion is recessed toward the center of the cutter along the first direction, even if the depth of the second end is too large, so that the thickness of the body at the plane where the second end is located is too small, reducing the strength of the body at this position, resulting in easy breakage during use, affecting the safety of use and service life. When the second preset angle is too small, the depth of the second end of the recessed portion along the second direction is too small, resulting in the second end being unable to block the food during the cutting process, reducing the anti-sticking performance of the cutter. Therefore, when the second preset angle β satisfies 5°≤β≤15°, the second end can effectively block the food while ensuring the strength of the body and the blade.

[0012] In a specific embodiment, along the first direction, the side wall of the recessed portion is provided with at least one protruding portion, and the protruding portion protrudes along the second direction.

[0013] In this embodiment, along the first direction, the side wall of the recessed portion may also be provided with at least one raised portion protruding along the second direction. When the knife is used to cut food, when the food cut by the blade moves upward relative to the body, the raised portion can block the food, prompting the food to separate from the body and reducing the adsorption of the food to the body. Specifically, the side wall of the recessed portion may be provided with a plurality of raised portions at intervals, and gaps may be formed between adjacent raised portions to avoid vacuum adsorption when the side wall of the recessed portion is attached to the food, further improving the anti-sticking performance of the knife and greatly improving the cutting quality and cutting speed.

[0014] In a specific embodiment, the blade has a cutting end and a connecting end, and the connecting end is connected to the body; along the second direction, the thickness of the connecting end is L3, and the thickness at the first end is L1, L1≥L3, and / or L3≥0.2mm.

[0015] In this embodiment, the blade has a cutting end and a connecting end connected to each other, the cutting end is used to directly contact the food, and the connecting end is fixedly connected to the body. The thickness L1 at the first end is greater than the thickness L3 of the connecting end, that is, along the first direction, the first end is located above the connecting end, that is, the recessed portion and the blade have a certain distance along the first direction, so as to ensure the overall strength of the blade. At the same time, the thickness L3 of the connecting end is greater than 0.2 mm, and / or the thickness L1 at the first end is greater than the thickness L3 of the connecting end, so as to improve the strength of the blade and the body, improve the overall strength of the blade body, and extend the service life.

[0016] In a specific embodiment, along the first direction, the body has a top away from the blade, the thickness of the top is L4, the depth of the second end is L2, and L2 satisfies

[0017] In this embodiment, the depth L2 of the second end should not be too large or too small. When L2 is too large, the thickness of the body at the plane where the second end is located is too small, which reduces the strength of the body at this position and easily causes breakage during use, affecting the safety of use and service life. When L2 is too small, the second end cannot effectively block the food when cutting food, reducing the anti-sticking effect of the knife.

[0018] In a specific embodiment, along the first direction, the blade has a cutting end facing away from the body, and the second end is at a distance L5 from the cutting end, where L5 satisfies 5mm≤L5≤30mm.

[0019] In this embodiment, the distance L5 from the second end to the cutting end should not be too large or too small. When it is too large, the length of the recessed portion along the first direction is too long (when the length of the blade along the first direction is constant), that is, the size of the body occupied by the recessed portion is too large, resulting in a lower strength of the body as a whole. When it is too small, the height of the second end along the first direction is too low. When cutting thicker food, there is still a risk of food being adsorbed on the body above the second end, reducing the anti-sticking performance of the knife. Therefore, in this embodiment, when the distance L5 from the second end to the cutting end satisfies 5mm≤L5≤30mm, the strength and anti-sticking performance of the knife body can be improved.

[0020] In a specific embodiment, along the second direction, the body includes a first side surface and a second side surface, and the first side surface is provided with the recessed portion and / or the second side surface is provided with the recessed portion.

[0021] In this embodiment, when the first side is provided with a recessed portion, when the knife is used, the second side is made to face the user, so as to avoid the second end of the recessed portion contacting the user's hand and scratching the user during use. When the second side is provided with a recessed portion, when the knife is used, the first side is made to face the user, so as to avoid the second end of the recessed portion contacting the user's hand and scratching the user during use; in the third specific embodiment, the first side and the second side are both provided with recessed portions, so that the first side and the second side have good anti-sticking properties, further improving the overall anti-sticking effect. At this time, the distance L5 between the second end and the cutting end of the blade along the first direction should not be too large, so as to reduce the risk of the user's hand contacting the second end.

[0022] In a specific embodiment, an anti-sticking layer is provided on the knife body.

[0023] In this embodiment, all parts of the blade body are coated with an anti-sticking layer to further enhance the anti-sticking effect of the blade body.

[0024] It should be understood that the foregoing general description and the following detailed description are exemplary only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0026] Figure 1 A schematic diagram of the structure of a tool provided in this application in a specific embodiment;

[0027] Figure 2 A schematic diagram of the structure of a tool body in a specific embodiment of the tool provided in this application;

[0028] Figure 3 for Figure 1 Schematic diagram of the structure of the middle blade body;

[0029] Figure 4 This is a schematic structural diagram of a tool body in another specific embodiment of the tool provided in the present application;

[0030] Figure 5 This is a schematic structural diagram of a tool body in a tool provided in the present application in another specific embodiment;

[0031] Figure 6 for Figure 1 Bottom view of the tool in the figure.

[0032] Description of reference numerals:

[0033] 1- Knife;

[0034] 11- knife body;

[0035] 111-Ontology;

[0036] 111a - recessed portion;

[0037] 111b-first end;

[0038] 111c-second end;

[0039] 111d - top;

[0040] 111e- first side;

[0041] 111f - second side;

[0042] 111g-side wall;

[0043] 112-Blade;

[0044] 112a - cutting end;

[0045] 112b-connection end;

[0046] 113- raised portion;

[0047] 12-handle body; DETAILED DESCRIPTION

[0048] In order to better understand the technical solution of the present application, the embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0049] It should be clear that the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0050] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings.

[0051] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0052] The present application embodiment provides a tool 1, such as Figure 1 As shown, the knife 1 includes a connected knife body 11 and a handle body 12. The user can hold the handle body 12 to pick up or use the knife 1, and the knife body 11 and the handle body 12 can be detachably connected to facilitate maintenance or replacement, or the knife body 11 and the handle body 12 can also be fixedly connected. The knife body 11 includes a body 111 and a blade 112. The blade 112 is arranged at the end of the body 111 along the first direction X. The blade 112 is used to directly contact the food and cut the food. The first direction X in the embodiment of the present application can be the height direction of the knife 1.

[0053] When the knife 1 is in use, the food cut by the blade 112 will move upward relative to the body 111. Since the surface of the body 111 is relatively smooth, when the food moves upward relative to the body 111, some of the food will have more juice, which will discharge the air between the food and the surface of the body 111, forming a vacuum adsorption between the food and the body 111, reducing the use speed of the knife 1 and affecting the user's experience.

[0054] To solve this technical problem, Figure 1 and Figure 2 As shown, the body 111 of the tool 1 provided in the present application is also provided with a recessed portion 111a recessed along the second direction Y, and the recessed portion 111a includes a first end 111b and a second end 111c arranged opposite to each other along the first direction X, and the first end 111b is located on a side of the second end 111c close to the blade 112, and along the second direction Y, the depth of the second end 111c is greater than the depth of the first end 111b.

[0055] In this embodiment, the first end 111b is close to the blade 112, and the depth of the first end 111b is small, so as to avoid interference between the first end 111b and the food when the blade 112 cuts the food, thereby affecting the cutting of the blade 112. The second end 111c is far away from the blade 112, and the depth of the second end 111c is large. When the knife 1 is used to cut food, the food cut by the blade 112 moves upward relative to the body 111. When the food moves to contact the second end 111c of the recessed portion 111a, the food is blocked by the second end 111c, and the second end 111c will cause the food to separate from the body 111, thereby reducing the adsorption of the food to the body 111. Therefore, the knife 1 in this embodiment is provided with the recessed portion 111a on the body 111, so as to cause the cut food to separate from the body 111 of the knife 1, thereby improving the anti-sticking performance of the knife 1 and improving the user experience. At the same time, when the recessed portion 111 a is provided on the body 111 , the integrity of the blade 112 can be maintained, thereby improving the strength of the blade 112 .

[0056] Among them, the second direction Y in the embodiment of the present application can be the thickness direction of the tool 1.

[0057] In a specific embodiment, Figure 2 As shown, the depth of the recessed portion 111 a gradually increases along the direction from the first end 111 b to the second end 111 c .

[0058] In this embodiment, the depth of the recessed portion 111a increases along the direction from the first end 111b to the second end 111c, so that the second end 111c has a greater depth, thereby enhancing the blocking effect of the second end 111c on food and further enhancing the anti-sticking effect. The surface of the side wall 111g of the recessed portion 111a is relatively flat, which is convenient for processing and reduces production costs.

[0059] In another specific embodiment, Figure 3 As shown, along the first direction X, the side wall 111g of the recessed portion 111a may also be provided with at least one raised portion 113 raised along the second direction Y. When the knife is used to cut food, when the food cut by the blade 112 moves upward relative to the body 111, the raised portion 113 can block the food, prompting the food to separate from the body 111, and reducing the adsorption of the food to the body 111. Specifically, the side wall 111g of the recessed portion 111a may be provided with a plurality of raised portions 113 at intervals, and gaps are formed between adjacent raised portions 113, so as to avoid vacuum adsorption when the side wall 111g of the recessed portion 111a is attached to the food, further improving the anti-sticking performance of the knife, and greatly improving the cutting quality and cutting speed.

[0060] Of course, the number and arrangement of the protrusions 113 can be set accordingly according to actual needs. For example, the protrusions 113 can be long strips, and there are multiple protrusions 113, which are arranged in parallel and spaced apart along the first direction X; or the protrusions 113 can be semicircular dot-shaped protrusions, which are evenly spaced apart.

[0061] In a specific embodiment, Figure 2 As shown, the second end 111c is a plane, and the plane where the second end 111c is located has a first preset angle α with the first direction X, and the first preset angle α satisfies 75°≤α≤105°.

[0062] In this embodiment, the first preset angle α satisfies 75°≤α≤105°, for example, the first preset angle α may be 75°, 80°, 90°, 100°, 105°, etc. The first preset angle α should not be too large or too small. When it is too small, the angle between the plane where the second end 111c is located and the first direction X along the first direction X is too small, that is, the angle at which the second end 111c is tilted upward relative to the horizontal direction (second direction Y) is too large, and the second end 111c cannot effectively block the food, resulting in the food continuing to move upward relative to the body 111 after passing the second end 111c and being adsorbed on the body 111, thereby reducing the anti-sticking performance of the knife. When it is too large, the angle between the plane where the second end 111c is located and the first direction X is too large, even if the angle at which the second end 111c is tilted downward relative to the horizontal direction (second direction Y) is too large, a storage space is formed between the second end 111c and the side wall 111g of the recessed portion 111a, which makes it easy for food to accumulate and difficult to clean. At the same time, the processing difficulty at the second end 111c is relatively large and difficult to achieve. Therefore, when the first preset angle α satisfies 75°≤α≤105°, the anti-sticking performance of the knife is relatively high, and the processing difficulty of the second end 111c is relatively small, which is easy to achieve.

[0063] In a specific embodiment, Figure 4 As shown, along the first direction X, the side wall 111g of the recessed portion 111a has a second preset angle β with the first direction X, and the second preset angle β satisfies 5°≤β≤15°. For example, β can be: 5°, 10°, 15°, etc.

[0064] In this embodiment, the second preset angle β between the side wall 111g of the recessed portion 111a and the first direction X satisfies 5°≤β≤15°, so that the second end 111c can effectively block the food while ensuring the strength of the body 111. When the second preset angle is too large, the side wall 111g of the recessed portion 111a is recessed toward the center of the knife along the first direction X, even if the depth of the second end 111c is too large, so that the thickness of the body 111 at the plane where the second end 111c is located is too small, reducing the strength of the body 111 at this position, resulting in easy breakage during use, affecting the safety of use and service life. When the second preset angle is too small, the depth L2 of the second end 111c of the recessed portion 111a along the second direction Y is too small, resulting in the second end 111c being unable to block the food during the cutting process, reducing the anti-sticking performance of the knife. Therefore, when the second preset angle β satisfies 5°≤β≤15°, the second end 111c can effectively block the food while ensuring the strength of the body 111 and the blade 112.

[0065] In a specific embodiment, Figure 4 As shown, the blade 112 has a cutting end 112a and a connecting end 112b, and the connecting end 112b is connected to the body 111; along the second direction Y, the thickness of the connecting end 112b is L3, and the thickness at the first end 111b is L1, L1≥L3, and / or, L3≥0.2mm. In a specific embodiment, L1≥L3, in another specific embodiment, L3≥0.2mm, in another specific embodiment, L1≥L3, and L3≥0.2mm. For example, L3 can be 0.2mm, 0.3mm, 0.4mm, etc.

[0066] In this embodiment, the blade 112 has a cutting end 112a and a connecting end 112b connected to each other, the cutting end 112a is used to directly contact the food, and the connecting end 112b is fixedly connected to the body 111. The thickness L1 at the first end 111b is greater than the thickness L3 of the connecting end 112b, that is, along the first direction X, the first end 111b is located above the connecting end 112b, that is, the recessed portion 111a and the blade 112 have a certain distance along the first direction X, so as to ensure the overall strength of the blade 112. At the same time, the thickness L3 of the connecting end 112b is greater than 0.2 mm, and / or the thickness L1 at the first end 111b is greater than the thickness L3 of the connecting end 112b, so as to improve the strength of the blade 112 and the body 111, improve the overall strength of the blade 11, and extend the service life.

[0067] In a specific embodiment, Figure 4 As shown, along the first direction X, the body 111 has a top 111d away from the blade 112, the thickness of the top 111d is L4, and the depth of the second end 111c is L2, L2 satisfies

[0068] In this embodiment, the depth L2 of the second end 111c should be neither too large nor too small. When L2 is too large, the thickness of the body 111 at the plane where the second end 111c is located is too small, which reduces the strength of the body 111 at this position and easily causes breakage during use, affecting the safety of use and service life. When L2 is too small, the second end 111c cannot effectively block the food when cutting food, reducing the anti-sticking effect of the knife.

[0069] In some embodiments, the thickness L4 of the top 111d in this embodiment satisfies 15mm≤L4≤30mm. For example, L4 can be 15mm, 20mm, 25mm, 30mm, etc. L4 should not be too large or too small. When L4 is too large, the overall thickness of the blade body 11 is too large, resulting in excessive weight of the blade, affecting its use. When it is too small, the overall thickness of the blade body 11 is too small, and the overall strength of the blade body 11 is too small, reducing the service life and safety of the blade.

[0070] Therefore, in this embodiment, when the thickness L4 of the top 111d satisfies 15mm≤L4≤30mm, and the depth L2 of the second end 111c satisfies When cutting, the overall weight and strength of the blade body 11 are moderate, and the second end 111c can effectively block the food during cutting, thereby improving the anti-sticking performance.

[0071] In a specific embodiment, Figure 4 As shown, along the first direction X, the blade 112 has a cutting end 112a away from the body 111, and the distance between the second end 111c and the cutting end 112a is L5, and L5 satisfies 5mm≤L5≤30mm. For example, L5 can be 5mm, 15mm, 25mm, or 30mm.

[0072] In this embodiment, the distance L5 between the second end 111c and the cutting end 112a should not be too large or too small. When it is too large, the length of the recessed portion 111a along the first direction X is too long (when the length of the blade 112 along the first direction X is constant), that is, the size of the body 111 occupied by the recessed portion 111a is too large, resulting in a low overall strength of the body 111. When it is too small, the height of the second end 111c along the first direction X is too low. When cutting thicker food, there is still a risk that the food is adsorbed on the position of the body 111 above the second end 111c, which reduces the anti-sticking performance of the knife. Therefore, in this embodiment, when the distance L5 between the second end 111c and the cutting end 112a satisfies 5mm≤L5≤30mm, the strength and anti-sticking performance of the knife body 11 can be improved.

[0073] In a specific embodiment, Figure 5As shown, the body 111 includes a first side surface 111e and a second side surface 111f, and the first side surface 111e is provided with a recessed portion 111a and / or the second side surface 111f is provided with a recessed portion 111a. That is, in the first specific embodiment, the first side surface is provided with a recessed portion; in the second specific embodiment, the second side surface is provided with a recessed portion; in the third specific embodiment (such as Figure 5 As shown in FIG. 1 , the first side surface 111e is provided with a recessed portion 111a, and the second side surface 111f is provided with a recessed portion 111a.

[0074] When the first side surface is provided with a recessed portion, when the knife is used, the second side surface is the side facing the user, so as to avoid the second end of the recessed portion contacting the user's hand and causing scratches to the user during use. When the second side surface is provided with a recessed portion, the first side surface is the side facing the user, so as to avoid the second end of the recessed portion contacting the user's hand and causing scratches to the user during use; in the third specific embodiment (such as Figure 5 As shown in the figure, the first side 111e and the second side 111f are both provided with a recessed portion 111a, so that the first side 111e and the second side 111f have good anti-sticking properties, further improving the overall anti-sticking effect. At this time, the distance L5 between the second end 111c and the cutting end 112a of the blade 112 along the first direction X should not be too large, reducing the risk of the user's hand contacting the second end 111c.

[0075] In a specific embodiment, Figure 6 As shown, the recessed portion 111 a passes through both ends of the body 111 along the third direction Z.

[0076] In this embodiment, the recessed portion 111a passes through both ends of the main body 111 along the third direction Z. When the knife 1 is used for cutting, when the food moves upward relative to the main body 111, the main body 111 is provided with a second end at various locations along the third direction that can block the food, thereby further improving the overall anti-stick performance.

[0077] Among them, the third direction Z in the embodiment of the present application can be the length direction of the tool 1.

[0078] In a specific embodiment, an anti-sticking layer may also be provided on the blade body 11 .

[0079] In this embodiment, all parts of the blade body 11 are coated with an anti-sticking layer to further enhance the anti-sticking effect of the blade body 11 .

[0080] Among them, the anti-sticking layer can be a Teflon coating. The Teflon coating has good non-stick properties, which can further improve the anti-sticking effect of the blade body 11. The Teflon coating has good wear resistance and corrosion resistance, which can extend the service life of the blade body 11.

[0081] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cutting tool, characterized in that: The tool (1) comprises: A blade (11), the blade (11) comprising a main body (111) and a blade (112), the blade (112) being arranged at an end of the main body (111) along a first direction; A handle body (12), wherein the handle body (12) is connected to the blade body (11); The body (111) is provided with a recessed portion (111a) recessed along the second direction, the recessed portion (111a) comprises a first end (111b) and a second end (111c) arranged opposite to each other along the first direction, the first end (111b) is located on a side of the second end (111c) close to the blade (112), and along the second direction, the depth of the second end (111c) is greater than the depth of the first end (111b).

2. The tool according to claim 1, characterized in that The depth of the recessed portion (111a) gradually increases along a direction from the first end (111b) to the second end (111c).

3. The tool according to claim 1, characterized in that The second end (111c) is a plane, and the plane where the second end (111c) is located has a first preset angle α with the first direction, and the first preset angle α satisfies 75°≤α≤105°.

4. The tool according to claim 2, characterized in that Along the first direction, a side wall (111g) of the recessed portion (111a) has a second preset angle β with the first direction, and the second preset angle β satisfies 5°≤β≤15°.

5. The tool according to claim 1, characterized in that Along the first direction, a side wall (111g) of the recessed portion (111a) is provided with at least one protruding portion (113), and the protruding portion (113) protrudes along the second direction.

6. The tool according to any one of claims 1 to 5, characterized in that The blade (112) has a cutting end (112a) and a connecting end (112b), and the connecting end (112b) is connected to the body (111); along the second direction, the thickness of the connecting end (112b) is L3, and the thickness at the first end (111b) is L1, L1≥L3, and / or L3≥0.2mm.

7. The tool according to any one of claims 1 to 5, characterized in that Along the first direction, the body (111) has a top (111d) facing away from the blade (112), the top (111d) has a thickness of L4, and the second end (111c) has a depth of L2, L2 satisfies 8. The tool according to any one of claims 1 to 5, characterized in that Along the first direction, the blade (112) has a cutting end (112a) facing away from the body (111), and the second end (111c) is at a distance L5 from the cutting end (112a), where L5 satisfies 5mm≤L5≤30mm.

9. The tool according to any one of claims 1 to 5, characterized in that Along the second direction, the body (111) includes a first side surface (111e) and a second side surface (111f), the first side surface (111e) being provided with the recessed portion (111a) and / or the second side surface (111f) being provided with the recessed portion (111a).

10. The tool according to any one of claims 1 to 5, characterized in that The knife body (11) is provided with an anti-sticking layer.

Images