Knife sharpening mechanism and multifunctional knife sharpener

By designing a detachable sharpening unit and a multi-functional sharpener, the problems of large size and limited functionality of traditional sharpeners have been solved, achieving miniaturization and multi-functionality of sharpeners, meeting the sharpening needs of different knives, providing additional tools, and improving the user experience.

CN223519271UActive Publication Date: 2025-11-07YUYAO NORTON ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202422613114.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-11-07
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

Traditional knife sharpeners are bulky, inconvenient to carry, have limited functionality, cannot meet the diverse sharpening needs of different knives, and cannot be used as auxiliary tools.

Method used

Design a multi-functional knife sharpener comprising a detachable sharpening unit and a clamping assembly. The sharpening unit consists of multiple sharpening sections that are interchangeable to adapt to different sharpening needs. The sharpener also has various auxiliary functions such as a compass and a bottle opener.

Benefits of technology

It achieves miniaturization, portability, and versatility of the knife sharpener, meeting the diverse sharpening needs of different knives and providing additional practical tools to enhance the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a knife sharpening mechanism which is compact in structure, good in portability and good in applicability and a multifunctional knife sharpener of the knife sharpening mechanism. The knife sharpening unit comprises a plurality of knife sharpening parts which are arranged in a stacked mode, the multiple knife sharpening parts are provided with knife sharpening faces, and the knife sharpening faces of the multiple knife sharpening parts are arranged in the same or different mesh numbers; the knife sharpening unit is detachably connected to the clamping assembly, and any knife sharpening part can be replaced to be located on the upper layer after the knife sharpening unit is detached, so that the knife sharpening face is exposed to be in contact with a knife edge. The utility model relates to the technical field of knife sharpeners.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a knife sharpener technical field, more exactly relates to a knife sharpening mechanism and multifunctional knife sharpener. BACKGROUND

[0002] The knife sharpener is widely applicable to various cutters (such as kitchen cutters, outdoor cutters, scissors, Damascus knives, ceramic knives and the like) and grinds, so that the blade of the cutter becomes sharp, and it is a scientific, practical, efficient and convenient knife sharpener.

[0003] However, the traditional knife sharpener is large in size, inconvenient to carry, and single in function, usually only having one grinding precision and / or only being able to grind one type of cutter, so that the knife sharpener cannot grind the same cutter with different precision and / or grind different types of cutters, resulting in small application range, limited practicability and low availability.

[0004] In addition, the existing knife sharpener only has the function of grinding cutters and cannot be used as other auxiliary tools, only has the function of grinding knives, has less functionality, and cannot meet the actual use requirements of users. SUMMARY

[0005] In view of the deficiencies and defects of the prior art, a knife sharpening mechanism with compact structure, good portability and good applicability, and a multifunctional knife sharpener are provided.

[0006] A knife sharpening mechanism comprises:

[0007] A seat body is provided with a clamping assembly;

[0008] A knife sharpening unit comprises a plurality of stacked knife sharpening parts, the plurality of knife sharpening parts have knife sharpening surfaces, and the knife sharpening surfaces of the plurality of knife sharpening parts are configured with the same or different mesh numbers;

[0009] The knife sharpening unit is detachably connected to the clamping assembly, and after being detached, any knife sharpening part can be exchanged to be in the upper layer so that the knife sharpening surface is exposed for the blade to contact.

[0010] Compared with the prior art, the multifunctional knife sharpener of the utility model has the following advantages:

[0011] The plurality of knife sharpening parts are stacked to form a knife sharpening unit, the stacked knife sharpening unit is connected to the seat body through the clamping assembly, the knife sharpening surface of the upper knife sharpening part is exposed and can contact the blade for the user to perform the knife sharpening operation.

[0012] After the user detaches the knife sharpening unit, the required knife sharpening part can be exchanged to be in the upper layer, so that the knife sharpening surface with the required mesh number is exposed for the blade to contact.

[0013] The grinding faces of the plurality of grinding parts can also be arranged in the same or different structures, and after the above improvement, the grinding mechanism has grinding faces with multiple mesh numbers, which can meet the multiple grinding needs of users (for example, opening an edge, rough grinding, fine grinding, etc.), and has strong applicability.

[0014] The structure of the replaceable grinding part can also be replaced with the grinding part that is less worn, so that the grinding part that is less worn is exposed for use by the user, and has the characteristics of simple operation and good user experience.

[0015] As an improvement of the utility model, the grinding part is a flat strip structure.

[0016] As an improvement of the utility model, the clamping assembly comprises a positioning groove, the positioning groove is arranged on the seat body, and one end of the grinding unit can be inserted into the positioning groove.

[0017] As an improvement of the utility model, the clamping assembly further comprises a fixing piece, the fixing piece is movably arranged on the seat body, and the fixing piece can clamp or release the other end of the grinding unit.

[0018] As an improvement of the utility model, the fixing piece is rotatably connected to the seat body along the axis B, the front end of the fixing piece is provided with an abutting portion, forward rotation of the fixing piece can make the abutting portion abut against the end face of the grinding unit, and reverse rotation of the fixing piece can make the abutting portion disengage from the end face of the grinding unit.

[0019] As an improvement of the utility model, the front end of the fixing piece is further provided with a buckling groove, the seat body is provided with a pin body, the fixing piece is forward rotated to the buckling groove to be buckled with the pin body, so that the abutting portion is kept in the position of abutting against the end face of the grinding unit.

[0020] A multifunctional knife sharpener comprises any one of the above-mentioned knife sharpening mechanisms, and further comprises a handle, the handle is provided with a containing space, and the multifunctional knife sharpener can be positively or reversely loaded into the containing space.

[0021] When the knife sharpening mechanism is positively loaded, the grinding unit is located in the inner end of the containing space, and the seat body is connected to the outer end of the containing space.

[0022] When the knife sharpening mechanism is reversely loaded, the grinding unit is located on the outer side of the containing space, and the seat body is connected to the containing space.

[0023] As an improvement of the utility model, the containing space is provided with a limiting block near the opening, the seat body is loaded into the containing space, and the limiting block and the end face of the edge position of the seat body form a blocking cooperation to limit the seat body to be in a preset assembly position.

[0024] The handle is further provided with a lock catch, and a clamping end of the lock catch is arranged outside one end of the accommodating space,

[0025] The handle is provided with a movable locking block, and the movable locking block can be moved to outside the other end of the accommodating space.

[0026] As an improvement of the utility model, the handle is further provided with a compass, a high-grade steel rod, a bottle opener, a fire rod and a whistle.

[0027] As an improvement of the utility model, the handle is further provided with a first accommodating groove arranged at the front end of the handle, a whistle arranged in the first accommodating groove, the whistle being rotationally connected with the front end of the handle, and the whistle being provided with a tooth portion around a rotation shaft, a ratchet wheel coaxial with the whistle being arranged on the handle, the ratchet wheel being arranged in a floating manner, and the teeth on the ratchet wheel being engaged with the tooth portion of the whistle.

[0028] As an improvement of the utility model, the handle is further provided with a second accommodating groove arranged at the tail end of the handle, a high-grade steel rod arranged in the second accommodating groove, the tail end of the high-grade steel rod being rotationally connected with the handle, and the tail end of the high-grade steel rod being provided with two clamping openings in a circumferential direction, and a line connecting the two clamping openings being perpendicular to the length direction of the high-grade steel rod.

[0029] The second accommodating groove is further provided with a clamping block, and the high-grade steel rod can be rotated to engage the clamping openings with the clamping block. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a structural schematic view of a knife sharpening mechanism of the utility model.

[0031] Figure 2 is a structural schematic view of the knife sharpening mechanism of the utility model in an exploded state of parts.

[0032] Figure 3 is a structural schematic view of the knife sharpening mechanism of the utility model after reverse rotation of a fixing member.

[0033] Figure 4 is a structural schematic view of the utility model Figure 3 is an enlarged schematic view of structure A of the utility model.

[0034] Figure 5 is a structural schematic view of a multifunctional knife sharpener of the utility model.

[0035] Figure 6 is a structural schematic view of the multifunctional knife sharpener of the utility model when the knife sharpening mechanism is loaded in a forward direction.

[0036] Figure 7 is a structural schematic view of the multifunctional knife sharpener of the utility model when the knife sharpening mechanism is loaded in a reverse direction.

[0037] Figure 8 is a structure schematic view of the multifunctional knife sharpener after reverse installation of the knife sharpening mechanism

[0038] Figure 9 is a structure schematic view of the multifunctional knife sharpener after the shell of the handle hidden part.

[0039] Figure 10 is the multifunctional knife sharpener Figure 9 structure enlarged schematic view of C.

[0040] As shown in the figure: 1, the seat body; 1.1, the pin body; 2, the knife sharpening part; 2.1, the knife sharpening surface; 3, the positioning groove; 4, the fixing part; 4.1, the abutting part; 4.2, the buckling groove; 5, the handle; 5.1, the accommodating space; 5.11, the limiting block; 5.2, the first accommodating groove; 5.3, the second accommodating groove; 6, the lock catch; 7, the locking block; 8, the whistle; 8.1, the tooth part; 9, the ratchet wheel; 10, the precision steel bar; 10.1, the bayonet; 11, the clamping block; 12, the compass; 13, the lighter; 14, the bottle opener; 15, the fixed-angle knife sharpening structure. DETAILED DESCRIPTION

[0041] The utility model will be further described below in combination with the drawings and specific embodiments.

[0042] Please refer to Figures 1-4 The utility model discloses a kind of knife sharpening mechanism, comprising:

[0043] The seat body 1 is provided with clamping assembly on the seat body 1;

[0044] The knife sharpening unit includes a plurality of stacked knife sharpening parts 2, the plurality of knife sharpening parts 2 have knife sharpening surfaces 2.1, and the plurality of knife sharpening surfaces 2.1 of the plurality of knife sharpening parts 2 are configured with the same or different number of meshes;

[0045] The knife sharpening unit is detachably connected to the clamping assembly, and after disassembly, any knife sharpening part 2 can be exchanged to be in the upper layer to expose the knife sharpening surface 2.1 for the blade to contact.

[0046] After adopting the above structure, the multifunctional knife sharpener of the utility model has the following advantages compared with the prior art.

[0047] The plurality of knife sharpening parts 2 are stacked to form a knife sharpening unit, and the stacked knife sharpening unit can be connected to the seat body 1 by the clamping assembly, wherein the knife sharpening surface 2.1 of the upper knife sharpening part 2 is exposed and can contact the blade for the user to perform the knife sharpening operation.

[0048] After the user dismounts the knife sharpening unit, the required knife sharpening part 2 can be exchanged to be in the upper layer, so that the knife sharpening surface 2.1 with the required number of meshes is exposed for the blade to contact.

[0049] The plurality of grinding parts 2 can also be arranged in the same or different structures in terms of mesh number. After the above improvement, the grinding mechanism has grinding surfaces 2.1 of multiple mesh numbers, which can meet the various grinding needs of users (for example, opening the blade, rough grinding, fine grinding, etc.);

[0050] The structure of the grinding part 2 can be replaced, and the grinding part 2 with less wear can be exposed for use by the user, which has the characteristics of simple operation and good user experience.

[0051] As an improvement of the utility model, the grinding part 2 is a flat strip structure. The grinding part 2 with a flat structure can be arranged on the front or back of the grinding part 2, and the space occupied by the grinding unit after stacking is small, which is beneficial to the miniaturization of the structure.

[0052] Moreover, the support between the grinding parts 2 is better, and the grinding unit after stacking is stable, so that the user can achieve stable and good grinding effect during the grinding operation.

[0053] As an improvement of the utility model, the clamping assembly comprises a positioning groove 3, the positioning groove 3 is arranged on the seat body 1, and one end of the grinding unit can be inserted into the positioning groove 3.

[0054] The positioning groove 3 is arranged in a transverse extension, and the grinding unit after stacking forms a rectangular structure.

[0055] After one end of the grinding unit is inserted into the positioning groove 3, it can be pre-positioned to limit the movement in the transverse and longitudinal directions.

[0056] As an improvement of the utility model, the clamping assembly further comprises a fixing piece 4, the fixing piece 4 is movably arranged on the seat body 1, and the fixing piece 4 can clamp or release the other end of the grinding unit.

[0057] As an improvement of the utility model, the fixing piece 4 is rotatably connected to the seat body 1 along the axis B, the front end of the fixing piece 4 is provided with an abutting portion 4.1, the abutting portion 4.1 is tightly abutted against the end surface of the grinding unit by forward rotation of the fixing piece 4, and the abutting portion 4.1 is separated from the end surface of the grinding unit by reverse rotation of the fixing piece 4.

[0058] After the above improvement, the rotation of the fixing piece 4 can make the abutting portion 4.1 on the fixing piece 4 clamp or release the other end of the grinding unit, and after clamping, the grinding unit can be stably connected.

[0059] After release, the grinding unit can be moved out of the positioning groove 3 or inserted into the positioning groove 3 again.

[0060] As an improvement of the utility model, the front end bottom of the fixing part 4 is further provided with a buckling groove 4.2, the seat body 1 is provided with a pin body 1.1, the fixing part 4 is forwardly rotated to buckle the buckling groove 4.2 with the pin body 1.1, so that the abutting portion 4.1 is kept in the position of abutting against the end face of the sharpening unit.

[0061] After the forward rotation to buckle the buckling groove 4.2 with the pin body 1.1, when the fixing part 4 is not rotated by external force, the position of the fixing part 4 is stable, and the abutting portion 4.1 can be kept in the position of abutting against the end face of the sharpening unit, so that the position of the sharpening unit is stable;

[0062] The fixing part 4 at the rear end of the abutting portion 4.1 is further provided with a stop block, at this time, the stop block is used to limit the transverse movement of the sharpening unit;

[0063] After the reverse rotation to unbuckle the buckling groove 4.2 from the pin body 1.1, at this time, the abutting portion 4.1 is separated from the sharpening unit, so that the sharpening unit can be disassembled, and the sharpening part 2 can be replaced;

[0064] After the above improvement, the utility model has the characteristics of simple structure and convenient operation.

[0065] Please refer to Figures 1-10 As shown in the figure, a multifunctional sharpener comprises any one of the above-mentioned sharpening mechanisms, and further comprises a handle 5, the handle 5 is provided with a containing space 5.1, and the multifunctional sharpener can be forwardly or reversely loaded into the containing space 5.1;

[0066] When the sharpening mechanism is forwardly loaded, the sharpening unit is located in the inner end of the containing space 5.1, and the seat body 1 is connected to the outer end of the containing space 5.1; at this time, the sharpening mechanism is in a storage state;

[0067] When the sharpening mechanism is reversely loaded, the sharpening unit is located on the outer side of the containing space 5.1, and the seat body 1 is connected to the inner side of the containing space 5.1; at this time, the sharpening mechanism is in an external state, and can be used for users to perform a sharpening operation.

[0068] As an improvement of the utility model, the containing space 5.1 is provided with a limiting block 5.11 close to the opening, the seat body 1 is loaded into the containing space 5.1, and the limiting block 5.11 and the end face of the edge position of the seat body 1 form a blocking cooperation, so as to limit the seat body 1 to be in a preset assembly position;

[0069] The handle 5 is further provided with a lock buckle 6, and the buckling end of the lock buckle 6 is located on the outer side of one end of the containing space 5.1,

[0070] The handle 5 is provided with a movable locking block 7, and the movable locking block 7 can be moved to the outer side of the other end of the containing space 5.1.

[0071] When the improved sharpening mechanism is installed in the accommodating space 5.1, the limiting block 5.11 is in blocking cooperation with the edge end surface of the seat body 1, the locking end of the lock catch 6 is in blocking cooperation with the outer end one side end surface of the seat body 1, and the locking block 7 is in blocking cooperation with the outer end other side end surface of the seat body 1, so that the sharpening mechanism is stably connected to the accommodating space 5.1.

[0072] When the sharpening mechanism needs to be taken out from the accommodating space 5.1, the locking block 7 is moved to be out of blocking cooperation with the seat body 1, and then the sharpening mechanism can be taken off.

[0073] The improved sharpening mechanism is convenient to disassemble and assemble and is stably and reliably connected.

[0074] As an improvement of the utility model, the front end of the handle 5 is provided with a first accommodating groove 5.2, a whistle 8 is arranged in the first accommodating groove 5.2, the whistle 8 is rotatably connected with the front end of the handle 5, and the whistle 8 is provided with a tooth portion 8.1 around a rotating shaft, a ratchet wheel 9 coaxial with the whistle 8 is arranged on the handle 5, the ratchet wheel 9 is floatingly arranged (a spring is arranged between the axial one end of the ratchet wheel 9 and the handle 5, and the ratchet wheel 9 is arranged to be locked in rotation), and the teeth on the ratchet wheel 9 are engaged with the tooth portion 8.1 of the whistle 8.

[0075] The whistle 8 can be rotated into the first accommodating groove 5.2, so that the whistle 8 is in a storage state, and the space occupation is reduced.

[0076] The whistle 8 can also be rotated out of the first accommodating groove 5.2, and at this time, the whistle 8 can be used by a user.

[0077] When the user rotates the whistle 8, the axial floating of the ratchet wheel 9 causes the teeth to be engaged with and disengaged from the tooth portion 8.1.

[0078] The engagement of the teeth with the tooth portion 8.1 can position the whistle 8, so that the position of the whistle 8 is stable.

[0079] As an improvement of the utility model, the tail end of the handle 5 is provided with a second accommodating groove 5.3, a precision steel rod 10 is arranged in the second accommodating groove 5.3, the tail end of the precision steel rod 10 is rotatably connected with the handle 5, and the tail end of the precision steel rod 10 is provided with two clamping openings 10.1 along the circumference, and the connecting line of the two clamping openings 10.1 is perpendicular to the length direction of the precision steel rod 10.

[0080] The second accommodating groove 5.3 is also provided with a clamping block 11, and the precision steel rod 10 can be rotated to be engaged with the clamping block 11.

[0081] The precision steel rod 10 can be rotated into the second accommodating groove 5.3, so that the precision steel rod 10 is in a storage state, and the space occupation is reduced.

[0082] In the rotating process, one of the clamping holes 10.1 is engaged with the clamping block 11, so that the steel bar 10 is stably in the storage state;

[0083] The steel bar 10 can also be rotated out of the second accommodating groove 5.3, at this time, the steel bar 10 is in the unfolded state, and the steel bar 10 can be used by the user;

[0084] In the rotating process, the other clamping hole 10.1 is engaged with the clamping block 11, so that the steel bar 10 is stably in the unfolded state.

[0085] As an improvement of the utility model, the handle 5 is further provided with a compass 12, a bottle opener 14, a fire stick 13, a whistle 8, and an angle fixing grinding knife structure.

[0086] The above improvement further improves the functionality of the device. The above is only a preferred embodiment of the utility model, and the protection scope of the utility model is not limited to the above-mentioned embodiments. Any technical solution that belongs to the idea of the utility model is within the protection scope of the utility model. It should be noted that for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the utility model are also considered as the protection scope of the utility model.

Claims

1. A sharpening mechanism, characterized by, It comprises: a seat body (1) provided with a clamping assembly; a knife sharpening unit comprising a plurality of stacked knife sharpening parts (2), the plurality of knife sharpening parts (2) having knife sharpening surfaces (2.1), and the knife sharpening surfaces (2.1) of the plurality of knife sharpening parts (2) being configured with the same or different mesh numbers; the knife sharpening unit is detachably connected to the clamping assembly, and after being detached, any of the knife sharpening parts (2) can be exchanged to be in the upper layer so that the knife sharpening surface (2.1) is exposed for the blade edge to contact.

2. A sharpening mechanism according to claim 1, wherein: The knife sharpening part (2) is a flat strip-shaped structure.

3. A sharpening mechanism according to claim 1, wherein: The clamping assembly comprises a positioning groove (3) provided on the seat body (1), and one end of the knife sharpening unit can be inserted into the positioning groove (3).

4. A sharpening mechanism according to claim 3, wherein: The clamping assembly further comprises a fixing member (4) movably provided on the seat body (1), and the fixing member (4) can clamp or release the other end of the knife sharpening unit.

5. A sharpening mechanism according to claim 4, wherein: The fixing member (4) is rotatably connected to the seat body (1) along an axis B, the front end of the fixing member (4) is provided with an abutting portion (4.1), and forward rotation of the fixing member (4) can make the abutting portion (4.1) abut against the end surface of the knife sharpening unit, and reverse rotation of the fixing member (4) can make the abutting portion (4.1) disengage from the end surface of the knife sharpening unit.

6. A sharpening mechanism according to claim 5, wherein: The front end of the fixing member (4) is further provided with a buckling groove (4.2), and the seat body (1) is provided with a pin (1.1), and the fixing member (4) is rotated forward to the buckling groove (4.2) to be buckled with the pin (1.1) so that the abutting portion (4.1) is kept in the position abutting against the end surface of the knife sharpening unit.

7. A multi-functional sharpener characterized by: It comprises a knife sharpening mechanism as claimed in any one of claims 1-6, further comprising a handle (5), and the handle (5) is provided with a containing space (5.1) on the side surface, and the multifunctional knife sharpener can be positively or reversely loaded into the containing space (5.1); when the knife sharpening mechanism is positively loaded, the knife sharpening unit is in the inner end of the containing space (5.1), and the seat body (1) is connected to the outer end of the containing space (5.1); when the knife sharpening mechanism is reversely loaded, the knife sharpening unit is on the outside of the containing space (5.1), and the seat body (1) is connected to the inside of the containing space (5.1).

8. A multi-functional sharpener as claimed in claim 7, wherein: The containing space (5.1) is provided with a limiting block (5.11) near the opening, the seat body (1) is loaded into the containing space (5.1), and the limiting block (5.11) and the end surface of the edge position of the seat body (1) form a blocking cooperation to limit the seat body (1) to be in a preset assembly position; The handle (5) is further provided with a lock catch (6), and the buckling end of the lock catch (6) is located outside one end of the containing space (5.1), The handle (5) is provided with a movable locking block (7), and the movable locking block (7) can be moved to the outside of the other end of the containing space (5.1).

9. The multi-functional sharpener of claim 7 wherein: The front end of the handle (5) is provided with a first accommodating groove (5.2), and a whistle (8) is arranged in the first accommodating groove (5.2). The whistle (8) is rotationally connected with the front end of the handle (5), and the whistle (8) is provided with a tooth portion (8.1) around the rotation axis. A ratchet wheel (9) coaxial with the whistle (8) is arranged on the handle (5). The ratchet wheel (9) is floatingly arranged, and the teeth on the ratchet wheel (9) are engaged with the tooth portion (8.1) of the whistle (8).

10. The multi-functional sharpener of claim 7 wherein: The tail end of the handle (5) is provided with a second accommodating groove (5.3), and a high-grade steel rod (10) is arranged in the second accommodating groove (5.3). The tail end of the high-grade steel rod (10) is rotationally connected with the handle (5), and the tail end of the high-grade steel rod (10) is circumferentially provided with two clamping openings (10.1). The connecting line of the two clamping openings (10.1) is perpendicular to the length direction of the high-grade steel rod (10). The second accommodating groove (5.3) is further provided with a clamping block (11), and the high-grade steel rod (10) can be rotated to engage the clamping openings (10.1) with the clamping block (11).