Kitchen knife with anti-friction structure

CN224847279UActive Publication Date: 2026-10-13SHENZHEN BOLTON TECH CO LTD
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Patent Information

Application Number
CN202522466961.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-20
Publication Date
2026-10-13
Estimated Expiration
2035-11-20

AI Technical Summary

Benefits of technology

间隔设置的防摩擦斜条缩减和蔬菜等的接触面,使得被蔬菜能移动到防摩擦斜条后,因为接触面变小摩擦力不足而自然向下落下,减少主刀具侧面被切片蔬菜附着,减少蔬菜附着阻挡刀具刀刃处视线的情况,减少对主刀具使用切菜的影响。

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Abstract

The utility model provides a kitchen knife with anti -friction structure relates to kitchen knife technical field, include: main cutter and outer anti -friction frame, the upper portion of main cutter is pasted and is fixed with outer anti -friction frame, and the both sides of outer anti -friction frame are fixed with anti -friction inclined strip, and the middle part of outer anti -friction frame is screwed with fixed screw, and the both sides of outer anti -friction frame are all seted up with inner cavity, and the inside of inner cavity is provided with inner counterweight ball, and the middle part of outer anti -friction frame is provided with cutter connecting groove, and the inner side of anti -friction inclined strip and main cutter outside surface pasting, and anti -friction inclined strip is inclined to main cutter blade side and gradually reduces thickness. Make the vegetables can move to the anti -friction inclined strip, because the contact surface is small and the friction is insufficient and naturally falls down, reduces the adhesion of main cutter side vegetables, solves silk and piece and will be attached on the side of cutter, the problem of the line of sight of the cutter blade place that the vegetable silk and piece are attached.
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Description

Technical Field

[0001] This utility model relates to the field of kitchen knife technology, and in particular to a kitchen knife with an anti-friction structure. Background Technology

[0002] Knives are essential tools in the kitchen. They are used to slice or shred vegetables, or to chop meat.

[0003] When vegetables are sliced ​​or shredded, the shreds and slices adhere to the side of the knife, obstructing the view of the blade. Furthermore, when chopping bones, the knife generates a recoil force when it comes into contact with the bone. This recoil force is transmitted to the user's hand holding the knife handle, reducing the user's chopping experience. As a result, users reduce the force applied to chop bones to avoid excessive recoil force, increasing the number of chopping operations and processing time. Summary of the Invention

[0004] This disclosure relates to a kitchen knife with an anti-friction structure. The spaced anti-friction bevels reduce the contact surface with vegetables, allowing vegetables to move behind the anti-friction bevels. Due to the reduced contact surface, the friction is insufficient, causing the vegetables to fall naturally downwards. This reduces the amount of vegetables adhering to the side of the main knife and minimizes the obstruction of the blade's view. When chopping bones, the internal counterweight ball inside the cavity moves up and down during the main knife's descent, weakening the knife's inertia and reducing the impact of bones on the knife. This reduces the impact on the user's hands, improving the chopping experience. Users can increase the force applied to the main knife while reducing the number of chopping operations and processing time.

[0005] In a first aspect, this disclosure provides a kitchen knife with an anti-friction structure, specifically including: a main knife and an outer anti-friction frame. The outer anti-friction frame is fixedly attached to the upper part of the main knife. Anti-friction diagonal strips are fixedly provided on both sides of the outer anti-friction frame. A fixing screw is screwed into the middle of the outer anti-friction frame. An inner cavity is provided on both sides of the outer anti-friction frame. An inner counterweight ball is provided inside the inner cavity. A knife connection groove is provided in the middle of the outer anti-friction frame.

[0006] In at least some embodiments, a rear shank is fixedly provided at the rear of the main cutting tool.

[0007] In at least some embodiments, the inner side of the anti-friction bevel strip is attached to the outer side of the main blade, the anti-friction bevel strip is inclined toward the blade edge of the main blade and gradually decreases in thickness, guiding the vegetable slices of the main blade to slide onto the anti-friction bevel strip, and the side of the anti-friction bevel strip away from the blade edge of the main blade becomes thicker and thicker.

[0008] In at least some embodiments, the inner counterweight balls inside the inner cavity are no more than 50%, the main cutter slides against the inner side of the cutter connection groove, and the inner counterweight balls fall to the bottom of the inner cavity after the main cutter contacts the bone. The impact of the inner counterweight balls and the bottom of the inner cavity falling cancels out the upward reaction force of the contact between the main cutter and the bone.

[0009] In at least some embodiments, the outer surface of the outer anti-friction bracket is flush with the outer surface of the rear tool holder, and the outer anti-friction bracket and the rear tool holder have the same thickness. When the main tool is laid flat, the outer anti-friction bracket and the rear tool holder simultaneously contact the table, and the outer anti-friction bracket and the rear tool holder support the main tool, so that the main tool can remain flat.

[0010] In at least some embodiments, the middle section of the fixing screw is located inside the tool connecting groove, and the main tool passes through the middle section of the fixing screw and the inner side of the tool connecting groove. The main tool and the outer anti-friction bracket are fixed by the fixing screw.

[0011] In at least some embodiments, the anti-friction diagonal strips on both sides of the outer anti-friction frame are arranged in a spaced array. The spaced anti-friction diagonal strips reduce the contact surface with vegetables, etc., and the gaps between the anti-friction diagonal strips keep the vegetable part suspended.

[0012] This utility model provides a kitchen knife with an anti-friction structure, which has the following beneficial effects: The spaced anti-friction bevel strips reduce the contact area with vegetables, allowing vegetables to move behind the anti-friction bevel strips. As the contact area becomes smaller, the friction is insufficient, causing the vegetables to fall naturally downwards. This reduces the amount of vegetables adhering to the side of the main blade, minimizes the obstruction of the blade's view by vegetables, and reduces the impact on the use of the main blade for cutting vegetables.

[0013] When performing operations such as chopping bones, the internal counterweight ball bearings inside the cavity shake up and down during the fall of the main blade, which weakens the inertia of the main blade's vibration, reduces the vibration force of the bone on the main blade, reduces the vibration on the user's hand, improves the user experience when chopping bones, increases the force the user can use to chop bones with the main blade, and reduces the number of times bones need to be chopped and the processing time. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0015] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the present invention.

[0016] In the attached diagram: Figure 1 A schematic diagram of the overall structure of this application is shown; Figure 2A schematic diagram of the cross-sectional structure of the external anti-friction frame of this application is shown; Figure 3 A schematic diagram of the internal cavity structure of this application is shown; Figure 4 A schematic diagram of the internal counterweight ball structure of this application is shown; Figure 5 A schematic diagram of the main cutting tool of this application is shown; Figure 6 This invention illustrates a structural schematic diagram of the outer anti-friction frame and the main tool in their separated state. List of reference numerals 1. Main cutting tool; 101. Rear tool holder; 2. External anti-friction frame; 201. Anti-friction diagonal strip; 202. Fixing screw; 203. Inner cavity; 204. Inner counterweight ball; 205. Tool connection groove. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0018] Example 1: Please refer to Figures 1 to 6 : This utility model proposes a kitchen knife with an anti-friction structure, including: a main knife 1 and an outer anti-friction frame 2. A rear handle 101 is fixedly installed at the rear of the main knife 1, and the outer anti-friction frame 2 is attached to the upper part of the main knife 1. Anti-friction diagonal strips 201 are fixedly installed on both sides of the outer anti-friction frame 2, and a fixing screw 202 is screwed into the middle of the outer anti-friction frame 2. An inner cavity 203 is opened on both sides of the outer anti-friction frame 2, and an inner counterweight ball 204 is installed inside the inner cavity 203. A knife connecting groove 205 is provided in the middle of the outer anti-friction frame 2, and the inner side of the anti-friction diagonal strip 201... The anti-friction bevel 201 is attached to the outer side of the main blade 1. The anti-friction bevel 201 is inclined towards the blade side of the main blade 1 and gradually decreases in thickness, guiding the vegetable slices of the main blade 1 to slide onto the anti-friction bevel 201. The side of the anti-friction bevel 201 away from the blade edge of the main blade 1 becomes thicker and thicker. The vegetable shreds or slices at the top of the anti-friction bevel 201 will fall more easily. The middle section of the fixing screw 202 is located inside the blade connection groove 205. The middle section of the fixing screw 202 and the main blade 1 inside the blade connection groove 205 pass through it. The main blade 1 and the outer anti-friction frame 2 are fixed or separated by the fixing screw 202.

[0019] In the embodiments disclosed herein, as shown in the appendix Figure 2 , 3 As shown in Figure 4, the inner counterweight ball bearings 204 inside the inner cavity 203 are no more than 50%. The main cutter 1 slides against the inner side of the cutter connecting groove 205. The inner counterweight ball bearings 204 will fall to the bottom of the inner cavity 203 after the main cutter 1 comes into contact with the bone. The impact of the inner counterweight ball bearings 204 and the bottom of the inner cavity 203 falling on the main cutter 1 and the bone contact with the upward reaction force cancels out the reaction force of the main cutter 1 and the bone contact, thereby reducing the reaction force of the main cutter 1 on the user's hand.

[0020] In the embodiments disclosed herein, as shown in the appendix Figure 1 , 2 As shown, the outer side of the outer anti-friction bracket 2 is flush with the outer side of the rear tool holder 101. The outer anti-friction bracket 2 and the rear tool holder 101 have the same thickness. When the main tool 1 is laid flat, the outer anti-friction bracket 2 and the rear tool holder 101 simultaneously contact the table. The outer anti-friction bracket 2 and the rear tool holder 101 support the main tool 1, allowing the main tool 1 to remain flat and preventing it from sliding if it is not placed flat. This makes the use of the main tool 1 safer.

[0021] In the embodiments disclosed herein, as shown in the appendix Figure 1 , 2 As shown in Figure 6, the anti-friction diagonal strips 201 on both sides of the outer anti-friction frame 2 are arranged in an interval array. The interval arrangement of the anti-friction diagonal strips 201 reduces the contact surface with vegetables, etc. The intervals of the anti-friction diagonal strips 201 keep the vegetable part suspended in the air, reducing the frictional adhesion of the vegetables to the outer anti-friction frame 2, making it easier for the vegetables to fall.

[0022] In Example 2, based on Example 1, the inner counterweight ball bearing 204 can be omitted, reducing the manufacturing process of the outer anti-friction frame 2, improving the processing efficiency of the outer anti-friction frame 2, further reducing manufacturing costs, achieving a lower price, and enhancing market competitiveness.

[0023] The working principle of this embodiment: The main blade 1 slides into the inner side of the blade connecting groove 205. The fixing screw 202 moves along the thread axis and passes through the main blade 1. The main blade 1 and the outer anti-friction frame 2 are fixedly connected and separated by the fixing screw 202. The spaced anti-friction diagonal strips 201 reduce the contact surface with vegetables, etc. When the operator holds the knife handle 101, the main blade 1 is operated. The blade of the main blade 1 is used for cutting vegetables, meat, bones, etc. During the process of the main blade 1 cutting vegetables into slices or shreds, the vegetable shreds or slices will adhere to the side of the main blade 1 and continuously accumulate and move upward. The lower end of the anti-friction diagonal strip 201 is flush with the outer side of the main blade 1. 1. The vegetable shreds or slices on the outer side move onto the anti-friction bevel strip 201. The anti-friction bevel strip 201 reduces the contact and friction surfaces between the main blade 1 and the vegetables. The spacing of the anti-friction bevel strip 201 also reduces the contact surface between the anti-friction bevel strip 201 itself and the vegetable shreds or slices. This allows the vegetables to move onto the anti-friction bevel strip 201 and fall down naturally due to insufficient friction caused by the smaller contact surface. This reduces the situation where the side of the main blade 1 is covered by sliced ​​vegetables, reduces the obstruction of vision by vegetables, and reduces interference with the use of the main blade 1 for cutting vegetables. The side of the anti-friction bevel strip 201 away from the blade edge of the main blade 1 becomes thicker and thicker. The vegetable shreds or slices at the top of the anti-friction bevel strip 201 fall down more easily. When the main blade 1 performs operations such as chopping bones, during its descent, the inner counterweight balls 204 within the inner cavity 203 concentrate in the upper half of the inner cavity 203 due to inertia. When the main blade 1 comes into contact with the bone, and its descent stops, the inner counterweight balls 204 fall back to the bottom of the inner cavity 203. The impact of the falling inner counterweight balls 204 and the bottom of the inner cavity 203 cancels out the upward reaction force of the contact between the main blade 1 and the bone, reducing the recoil effect of the contact between the main blade 1 and the bone. The internal counterweight ball bearing 204 inside the inner cavity 203 can weaken the inertia of the main blade 1 by shaking up and down, thereby reducing the self-reflection force of the main blade 1 when it comes into contact with the bone, reducing the self-reflection force of the bone on the main blade 1 and the rear handle 101, reducing the self-reflection force of the main blade 1 on the user's hand, improving the user experience when chopping bones with the main blade 1, increasing the chopping force of the main blade 1, reducing the number of times bones need to be chopped and the processing time, and avoiding the problem that the user reduces the chopping force of the blade to avoid excessive self-reflection force, thus increasing the number of times bones need to be chopped and the processing time.

[0024] The following points should be noted in this article: 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in a general design.

[0025] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0026] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A kitchen knife with an anti-friction structure, comprising: The main cutting tool (1) and the outer anti-friction frame (2) are characterized in that the upper part of the main cutting tool (1) is fitted and fixed with the outer anti-friction frame (2), the two sides of the outer anti-friction frame (2) are fixedly provided with anti-friction diagonal strips (201), the middle part of the outer anti-friction frame (2) is screwed with a fixing screw (202), the two sides of the outer anti-friction frame (2) are provided with an inner cavity (203), the inner cavity (203) is provided with an inner counterweight ball (204), and the middle part of the outer anti-friction frame (2) is provided with a cutting tool connecting groove (205).

2. A kitchen knife with an anti-friction structure according to claim 1, characterized in that, The rear of the main cutting tool (1) is fixedly provided with a rear shank (101).

3. A kitchen knife with an anti-friction structure according to claim 2, characterized in that, The inner side of the anti-friction strip (201) is attached to the outer side of the main cutter (1), and the anti-friction strip (201) is inclined toward the blade side of the main cutter (1) and gradually decreases in thickness.

4. A kitchen knife with an anti-friction structure according to claim 3, characterized in that, The inner counterweight ball (204) inside the inner cavity (203) is no more than 50%, and the main cutter (1) slides and fits against the inner side of the cutter connection groove (205).

5. A kitchen knife with an anti-friction structure according to claim 4, characterized in that, The outer side of the outer anti-friction bracket (2) is flush with the outer side of the rear tool holder (101), and the outer anti-friction bracket (2) and the rear tool holder (101) have the same thickness.

6. A kitchen knife with an anti-friction structure according to claim 5, characterized in that, The middle section of the fixing screw (202) is located inside the tool connecting groove (205), and the main tool (1) passes through the middle section of the fixing screw (202) and the inside of the tool connecting groove (205).

7. A kitchen knife with an anti-friction structure according to claim 6, characterized in that, The anti-friction diagonal strips (201) on both sides of the outer anti-friction frame (2) are arranged in an interval array.