Multifunctional knife sharpener

Abstract

The utility model discloses a multifunctional knife sharpener which comprises a shell, and a rotating piece and a knife sharpening part are arranged on the shell. A transmission structure is arranged between the rotating piece and the cutter sharpening part; the transmission structure comprises a connecting seat and a transmission seat; the cutter sharpening part is provided with a sharpening surface which can be in contact with a cutting edge, and the cutter sharpening part is hinged to the connecting seat; the rotating piece is in transmission combination with the transmission seat, the transmission seat is in transmission connection with the connecting seat, the rotating piece rotates to drive the transmission seat to transversely move, and the transmission seat transversely moves to drive the connecting seat to drive the cutter sharpening part to move up and down; an inclined surface is arranged on the shell, the inclined surface is inclined to the moving track of the cutter grinding part, and the cutter grinding part is provided with a part which is abutted against and matched with the inclined surface; in the up-down moving process of the cutter grinding part, the matching part abuts against the inclined face, the inclined face drives the cutter grinding part to rotate, and then the angle of the grinding face is adjusted. The utility model relates to the technical field of knife sharpeners.

Description

TECHNICAL FIELD

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

[0002] Traditional knife sharpening is through the back and forth friction of the blade on the knife sharpener, realizes the knife sharpening, and the process is relatively cumbersome and requires high proficiency.

[0003] Therefore, some manual and electric knife sharpeners appear. The knife sharpener has a preset angle sharpening stone, and the blade is contacted with the sharpening stone, and the blade is polished by pulling the tool back and forth.

[0004] However, the above-mentioned knife sharpener has certain defects: for example, the angle of the sharpening stone is not convenient to adjust, and the adaptability to different tools is poor, and it cannot meet the polishing needs of various tools. INVENTION CONTENTS

[0005] In view of the deficiencies and defects of the prior art, a knife sharpener with high applicability, simple structure and reliable operation is provided.

[0006] A multifunctional knife sharpener comprises:

[0007] A housing is provided with a rotating part and a blade sharpening part;

[0008] A transmission structure is arranged between the rotating part and the blade sharpening part;

[0009] The transmission structure comprises a connecting seat and a transmission seat;

[0010] The blade sharpening part is provided with a grinding surface for contacting the blade, and the blade sharpening part is hinged to the connecting seat;

[0011] The rotating part is in transmission combination with the transmission seat, and the transmission seat is in transmission connection with the connecting seat,

[0012] The rotating part drives the transmission seat to move horizontally, and the transmission seat drives the connecting seat to move up and down;

[0013] The housing is provided with an inclined surface, the inclined surface is inclined to the movement track of the blade sharpening part, and the blade sharpening part is provided with a matching part abutting against the inclined surface;

[0014] During the up and down movement of the blade sharpening part, the matching part abuts against the inclined surface, the inclined surface drives the blade sharpening part to rotate, and then adjusts the angle of the grinding surface.

[0015] Compared with the prior art, the multifunctional knife sharpener has the following advantages: during use, the rotating piece directly drives the transmission seat to move horizontally, the transmission seat drives the connecting seat to move upward or downward, under the action of the inclined surface, the blade sharpening part rotates to adjust the angle of the grinding surface, the grinding surface is more effectively attached to the knife edge, the wear of the knife edge is reduced, and the knife sharpening effect is improved, for example: for some tools that need to be sharpened at a small angle, the blade sharpening part rotates inward, the included angle between the grinding surface and the tool body is smaller; for some tools that need to be sharpened at a large angle, the blade sharpening part rotates outward, and the included angle between the grinding surface and the tool body is larger.

[0016] The improved structure can meet the grinding requirements of different types of tools, and the number of parts required by the transmission structure is smaller, and the structure is simple, the cost is relatively low, and the operation is reliable, and the service life is long.

[0017] As an improvement of the utility model, the rotating piece is provided with a gear ring, and the transmission seat is provided with a straight rack engaged with the gear ring.

[0018] As an improvement of the utility model, the transmission seat is provided with a first transmission surface extending transversely, and the height of the first transmission surface is an inclined structure with a left low and right high structure;

[0019] The connecting seat is provided with a second transmission surface extending transversely, and the height of the second transmission surface is a structure with a left low and right high structure;

[0020] The second transmission surface and the first transmission surface are attached to each other.

[0021] As an improvement of the utility model, the number of blade sharpening parts is two, the grinding surfaces of the two blade sharpening parts are arranged in a "V" shape structure, and a slot is formed between the two grinding surfaces for the knife edge to enter;

[0022] The two blade sharpening parts are respectively independently matched with the inclined surfaces, and the two inclined surfaces form an "eight" shaped structure.

[0023] As an improvement of the utility model, the blade sharpening part comprises a mounting frame and a knife sharpening insert arranged on the inner side of the mounting frame, the matching part is arranged on the upper end of the mounting frame, and the matching part is a surface with a circular arc transition.

[0024] As an improvement of the utility model, the two mounting frames are provided with elastic members, one top end of the elastic member is abutted on one of the mounting frames, and the other top end is abutted on the other mounting frame, the pre-tightening force of the elastic member drives the two mounting frames to have a tendency to move away from each other, so that the matching part is kept in abutment with the inclined surface.

[0025] As a kind of improvement of the utility model, the shell is also provided with fixed angle knife grinding structure, the fixed angle knife grinding structure includes the knife grinding stick being arranged in "V" shape. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the structure schematic diagram of part of the utility model.

[0027] Figure 2 It is the internal structure schematic diagram after the shell of the utility model is hidden.

[0028] Figure 3 It is the structure schematic diagram of part A of the utility model. Figure 2

[0029] Figure 4 It is the schematic diagram of transmission structure of the utility model.

[0030] Figure 5 It is the structure schematic diagram of part of the utility model in explosion state. Figure 4

[0031] Figure 6 It is the transmission seat structure schematic diagram of the utility model.

[0032] Figure 7 It is the structure schematic diagram of connecting seat and blade grinding part of the utility model.

[0033] Figure 8 It is the structure schematic diagram of rotating part after part of the utility model is cut off.

[0034] Figure 9 It is the structure schematic diagram of part B of the utility model. Figure 8

[0035] In the drawing: 1, shell;1.1, inclined plane;1.2, holding portion;2, rotating part;2.1, gear ring;2.2, positioning groove;3, blade grinding part;3.1, whetted surface;3.2, matching part;3.3, mounting frame;4, connecting seat;4.1, second rotating surface;5, transmission seat;5.1, straight rack;5.2, first transmission surface;6, elastic member;7, knife grinding stick;8, shaft body;8.1, elastic pin. DETAILED DESCRIPTION

[0036] The utility model will be further described below in combination with the drawings and specific embodiment.

[0037] Please refer to Figures 1-9 As shown,

[0038] A multifunctional knife sharpener, comprising:

[0039] ​​​A housing 1 is provided with a rotating part 2 and a sharpening part 3;

[0040] A transmission structure is arranged between the rotating part 2 and the sharpening part 3;

[0041] The transmission structure comprises a connecting seat 4 and a transmission seat 5;

[0042] The sharpening part 3 is provided with a sharpening surface 3.1 for contacting a blade, and the sharpening part 3 is hinged to the connecting seat 4;

[0043] The rotating part 2 is in transmission connection with the transmission seat 5, and the transmission seat 5 is in transmission connection with the connecting seat 4,

[0044] The rotating part 2 drives the transmission seat 5 to move laterally, and the transmission seat 5 drives the connecting seat 4 to move up and down with the sharpening part 3;

[0045] The housing 1 is provided with an inclined surface 1.1 which is arranged to be inclined to the moving track of the sharpening part 3, and the sharpening part 3 is provided with a matching part 3.2 which is in abutment with the inclined surface 1.1;

[0046] During the up and down movement of the sharpening part 3, the matching part 3.2 is in abutment with the inclined surface 1.1, the inclined surface 1.1 drives the sharpening part 3 to rotate, thereby adjusting the angle of the sharpening surface 3.1.

[0047] Compared with the prior art, the multifunctional knife sharpener has the following advantages:

[0048] The inclined surface 1.1 is arranged to be inclined and extended with the inner end being high and the outer end being low;

[0049] During use, the rotating part 2 directly drives the transmission seat 5 to move laterally, the transmission seat 5 drives the connecting seat 4 to move up or down, and under the action of the inclined surface 1.1, the sharpening part 3 rotates to adjust the angle of the sharpening surface 3.1, so that the sharpening surface 3.1 is more effectively attached to the blade, the wear of the blade is reduced, and the knife sharpening effect is improved.

[0050] After the above improvement, the polishing requirements of different types of knives can be met, the number of parts required by the transmission structure is smaller, the structure is simple, the cost is relatively low, the operation is reliable, and the service life is long.

[0051] As an improvement of the utility model, the rotating part 2 is provided with a gear ring 2.1, and the transmission seat 5 is provided with a straight rack 5.1 which is in meshing connection with the gear ring 2.1.

[0052] The gear ring 2.1 is coaxial with the rotating part 2, the transmission seat 5 is engaged with the gear ring 2.1 through the straight rack 5.1, and transmission between the gear ring 2.1 and the transmission seat 5 is realized, and the transmission is stable and reliable.

[0053] As an improvement of the utility model, the transmission seat 5 is provided with a first transmission surface 5.2 extending transversely, and the height of the first transmission surface 5.2 is arranged in an inclined structure with the left being lower and the right being higher.

[0054] The connecting seat 4 is provided with a second transmission surface extending transversely, and the height of the second transmission surface is arranged in a structure with the left being lower and the right being higher.

[0055] The second transmission surface is attached to the first transmission surface 5.2 up and down.

[0056] The shell 1 is also provided with a sliding groove extending up and down, and the connecting seat 4 is placed in the sliding groove and can move up and down under the guidance of the sliding groove.

[0057] The shell 1 is also provided with a transverse sliding groove, and the transmission seat 5 is provided with a connecting block placed in the sliding groove to guide the transverse movement of the transmission seat 5.

[0058] After the above improvement, when the rotating part 2 rotates, the gear ring 2.1 drives the transmission seat 5 to move left or right.

[0059] When the transmission seat 5 moves to the left, the higher part of the first transmission surface 5.2 gradually contacts the lower part of the second transmission surface, the height of the two is added after superposition, and then the connecting seat 4 is driven to move upward,

[0060] When the transmission seat 5 moves to the right, the lower part of the first transmission surface 5.2 gradually contacts the higher part of the second transmission surface, the height of the two is reduced after superposition, and then the connecting seat 4 is driven to move downward.

[0061] As an improvement of the utility model, the number of the sharpening part 3 is two, the grinding surfaces 3.1 of the two sharpening parts 3 are arranged in a "V" shape structure, and a slot is formed between the two grinding surfaces 3.1 for the blade to enter.

[0062] The matching parts 3.2 of the two sharpening parts 3 respectively match the inclined surfaces 1.1, and the two inclined surfaces 1.1 form an "eight" shaped structure.

[0063] After the above improvement, two sharpening parts 3 are arranged, the grinding surfaces 3.1 of the two sharpening parts 3 are arranged on the inner side and arranged in a "V" shape structure, and a slot is formed for the blade to enter,

[0064] The tool enters the slot, and the two side surfaces of the blade are independently contacted with the grinding surface 3.1, then the tool is moved forward and backward, and the two side surfaces of the blade can be simultaneously polished, thereby improving the grinding efficiency.

[0065] The two inclined surfaces 1.1 are arranged in an "eight" shape, and the two inclined surfaces 1.1 are independently matched with the matching portions 3.2 of the two blade grinding portions 3, when the connecting seat 4 moves upward and drives the two blade grinding portions 3 to move upward synchronously, the inclined surfaces 1.1 continuously abut against the matching portions 3.2, thereby driving the two blade grinding portions 3 to rotate inward, and reducing the included angle between the grinding surface 3.1 and the tool body.

[0066] When the connecting seat 4 moves downward and drives the two blade grinding portions 3 to move downward synchronously, the inclined surfaces 1.1 continuously abut against the matching portions 3.2, thereby driving the two blade grinding portions 3 to rotate outward, and increasing the included angle between the grinding surface 3.1 and the tool body.

[0067] The two grinding surfaces 3.1 have the angle adjusting function, so that the grinding effects of the two sides of the blade are consistent.

[0068] As an improvement of the utility model, the blade grinding portion 3 comprises a mounting frame 3.3 and a grinding insert arranged in the inner side of the mounting frame 3.3, the matching portion 3.2 is arranged at the upper end of the mounting frame 3.3, and the matching portion 3.2 is a circular arc transition surface.

[0069] The circular arc transition surface is used as the matching portion 3.2, when the matching portion 3.2 abuts against the inclined surface 1.1 and moves along the inclined surface 1.1, the movement is more stable and reliable, and the angle adjustment of the grinding surface 3.1 is more linear.

[0070] The grinding insert and the mounting frame 3.3 are detachably connected, and the user can replace the grinding insert (for example, inserts with different grinding effects or replace the insert with excessive wear).

[0071] As an improvement of the utility model, the elastic member 6 is arranged between the two mounting frames 3.3, one top end of the elastic member 6 abuts against one mounting frame 3.3, and the other top end abuts against the other mounting frame 3.3, and the pre-tightening force of the elastic member 6 drives the two mounting frames 3.3 to have a tendency of moving away from each other, so that the matching portion 3.2 abuts against the inclined surface 1.1.

[0072] The above improvement, the elastic member 6 provides the two mounting frames 3.3 with the pre-tightening force of rotating outward, so that the matching portion 3.2 of the two mounting frames 3.3 and the inclined surface 1.1 always have an effective basis, the matching is stable, and the operation reliability is improved.

[0073] As an improvement of the utility model, the shell 1 is further provided with a fixed-angle knife sharpening structure, the fixed-angle knife sharpening structure comprises a knife sharpening rod 7 arranged in a V shape.

[0074] The fixed-angle knife sharpening structure arranged on the shell 1 can be used for fixed-angle knife sharpening, thereby enriching the functionality of the device.

[0075] The shell 1 is further provided with a holding portion 1.2 for being held by a user, so as to facilitate the use of the user.

[0076] The rotating member 2 is sleeved on the shaft body 8 inside the shell 1, and the shaft body 8 and the rotating member 2 are further provided with a locking structure, the locking structure comprises an elastic pin 8.1 arranged on the shaft body 8, the elastic pin 8.1 can be elastically moved in a radial direction,

[0077] The inner hole of the rotating member 2 is provided with a plurality of positioning grooves 2.2 arranged in a circumferential direction at intervals.

[0078] The elastic pin 8.1 enters the positioning groove 2.2 to exert a locking force on the rotating member 2.

[0079] The positioning groove 2.2 can correspond to a plurality of locking positions of the rotating member 2, and each locking position corresponds to a certain inclination angle of the sharpening surface 3.1.

[0080] Meanwhile, the cooperation between the positioning groove 2.2 and the elastic pin 8.1 also endows the rotation of the rotating member 2 with a rotating hand feeling, thereby improving the use experience of the user.

[0081] 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, and any technical scheme falling within the idea of the utility model belongs to the protection scope of the utility model. It should be noted that, for ordinary skilled persons in the technical field, some improvements and decorations without departing from the principle of the utility model are also regarded as the protection scope of the utility model.

Claims

1. A multifunctional sharpener characterized by comprising: The utility model relates to a multifunctional knife sharpener, including: The shell (1) is provided with rotating part (2) and blade sharpening part (3) on it; Transmission structure is arranged between rotating part (2) and blade sharpening part (3); The transmission structure includes connecting seat (4) and transmission seat (5); The blade sharpening part (3) is provided with the whetting surface (3.1) that can be contacted by the blade, and the blade sharpening part (3) is hinged on the connecting seat (4); Rotating part (2) is driven by transmission seat (5) lateral movement, and transmission seat (5) is driven by connecting seat (4) and moves up and down with blade sharpening part (3); The shell (1) is provided with inclined plane (1.1), and the inclined plane (1.1) is inclined to the setting of blade sharpening part (3) movement track, and the blade sharpening part (3) is provided with the matching part (3.2) of the inclined plane (1.1); During the up and down movement of the blade sharpening part (3), the matching part (3.2) is in abutment with the inclined plane (1.1), the inclined plane (1.1) drives the blade sharpening part (3) to rotate, and then the angle of the whetting surface (3.1) is adjusted. The rotating part (2) is provided with a gear ring (2.1), and the transmission seat (5) is provided with a straight rack (5.1) engaged with the gear ring (2.1).

2. The multi-functional sharpener of claim 1 wherein: The transmission seat (5) is provided with a first transmission surface (5.2) extending laterally, and the height of the first transmission surface (5.2) is inclined from low on the left to high on the right.

3. The multi-functional sharpener of claim 1 wherein: The connecting seat (4) is provided with a second transmission surface extending laterally, and the height of the second transmission surface is set to be low on the left and high on the right. The second transmission surface is in abutment with the first transmission surface (5.2) from top to bottom.

4. The multifunctional knife sharpener according to claim 1, wherein: The number of blade sharpening parts (3) is two, and the whetting surfaces (3.1) of the two blade sharpening parts (3) are arranged in a "V" shape, forming a slot for the blade to enter between the two whetting surfaces (3.1). The matching parts (3.2) of the two blade sharpening parts (3) independently match the inclined planes (1.1), and the two inclined planes (1.1) form an "eight" shaped structure.

5. The multifunctional knife sharpener according to claim 4, wherein: The blade sharpening part (3) includes a mounting bracket (3.3) and a knife sharpening insert arranged inside the mounting bracket (3.3), the matching part (3.2) is arranged at the upper end of the mounting bracket (3.3), and the matching part (3.2) is a circular arc transition surface. A resilient member (6) is arranged between the two mounting brackets (3.3), one end of the resilient member (6) is abutted on one of the mounting brackets (3.3), the other end is abutted on the other mounting bracket (3.3), and the pre-tightening force of the resilient member (6) drives the two mounting brackets (3.3) to have a tendency to move away from each other, so that the matching part (3.2) is kept in abutment with the inclined plane (1.1).

6. A multi-functional sharpener as claimed in claim 5 wherein: The shell (1) is further provided with a fixed-angle knife sharpening structure, and the fixed-angle knife sharpening structure includes a "V"-shaped knife sharpening rod (7).

7. The multi-functional sharpener of claim 1 wherein: ​

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