Mini electric knife sharpener with replaceable knife head

By designing the knife header to replace the mini electric blade, the inconvenience of the existing knife grinders in the battery replacement and the fixation of the knife head, realized the convenience of replacing the battery and switching blade, which improved the quality of the knife grinding device And convenient use.

CN222404715UActive Publication Date: 2025-01-28NINGHAI RENZHEN DAIIY-USE CO LTD
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Patent Information

Application Number
CN202420153935.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-22
Publication Date
2025-01-28
Estimated Expiration
2034-01-22

AI Technical Summary

Technical Problem

Existing sharpeners are inconvenient in replacing batteries or charging, and the blade head is fixed, making it difficult to switch between coarse and fine sharpeners.

Method used

Design a type of sword -headed mini electric knife, a detachable structure, which contains replaceable charging lithium batteries and dry batteries. The knife head is fixed by strong magnetic blocks to facilitate replacement and switching blade.

Benefits of technology

The convenience of battery replacement and charging, and the knife head can be replaced, supports the switching of coarse grinding knife and fine grinding knife, and improves the convenience and quality of the use of the knife.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mini electric knife sharpener with a replaceable knife head, which comprises a knife sharpener shell consisting of a base and an upper shell, a battery, a speed reducing motor, a control panel and a switch which are electrically connected with one another are arranged in the knife sharpener shell, the switch is exposed out of the upper shell from the upper shell, and the knife sharpener shell is connected with the control panel. A tool bit connecting base A is fixed to an output shaft of the gear motor, a strong magnetic block A is fixed in the tool bit connecting base A, an abrasive disc fixing base A is fixed to the tool bit connecting base A in an adsorption mode, and a refined steel abrasive disc is fixed to the abrasive disc fixing base A. The gear motor is fixedly installed in the upper shell through a motor fixing piece. The shaft sleeve A is fixedly sleeved on an output shaft of the gear motor; the multifunctional knife sharpener has the beneficial effects that the structure is novel, the multifunctional knife sharpener can be designed into a charging type or a battery replacement type, different knife sharpening blades can be replaced when the multifunctional knife sharpener is used, rough knife sharpening or fine knife sharpening is realized, the multifunctional knife sharpener is convenient to use, and the quality of a knife sharpener product is improved.
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Description

Technical Field

[0001] The utility model relates to a knife sharpener, in particular to a mini electric knife sharpener with a replaceable knife head. Background Art

[0002] The existing similar knife sharpeners have defects and shortcomings mainly in that it is inconvenient to replace batteries or charge them. In addition, the knife heads are all fixed structures, which makes it inconvenient to replace the knife heads and switch between coarse and fine sharpening. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a mini electric knife sharpener with replaceable knife heads in view of the deficiencies in the prior art.

[0004] In order to achieve the above purpose, the measures taken by the utility model are:

[0005] A mini electric knife sharpener with replaceable blades comprises a knife sharpener housing composed of a base and an upper housing, wherein a battery, a reduction motor, a control panel and a switch electrically connected to each other are installed in the knife sharpener housing, the switch is exposed from the upper housing to the outside of the upper housing, a knife head connecting seat A is fixed on the output shaft of the reduction motor, a strong magnetic block A is fixed in the knife head connecting seat A, a grinding disc fixing seat A is adsorbed and fixed on the knife head connecting seat A, a fine steel grinding disc is fixed on the grinding disc fixing seat A, the reduction motor is fixed in the upper housing through a motor fixing plate, a shaft sleeve A is fixed in the knife head connecting seat A, and the shaft sleeve A is sleeved and fixed on the output shaft of the reduction motor;

[0006] The battery is a rechargeable lithium battery, and a conductive connecting piece for installing the rechargeable lithium battery is provided in the upper shell, and a charging socket exposed to the outside of the upper shell is electrically connected on the control board, and a grinding disc fixing seat B is detachably connected to the end of the upper shell away from the reduction motor, and a shaft sleeve B and a strong magnetic block B are fixed in the grinding disc fixing seat B, and a cutter head connecting seat B is fixed on the grinding disc fixing seat B by adsorption of the strong magnetic block B, and a ceramic sheet is fixed on the cutter head connecting seat B;

[0007] The battery is a replaceable dry cell battery. A battery compartment for installing the dry cell battery is provided in the upper shell. A negative electrode battery cell is installed at the bottom of the battery compartment. A battery compartment cover is connected with a buckle at the outer port of the battery compartment. A positive electrode battery cell is fixed inside the battery compartment cover.

[0008] The base is rotatably connected with a rubber-coated pulley via a rotating shaft;

[0009] The upper shell is provided with a switch exposure hole;

[0010] The upper shell is provided with a charging socket exposure opening.

[0011] The beneficial effects of the utility model are as follows: the structure is novel, and it can be designed as a rechargeable model or a battery-replaceable model. When in use, different sharpening blades can be replaced to achieve coarse or fine sharpening. It is easy to use and improves the quality of the sharpener product. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a schematic diagram of the exploded structure of a dry cell battery.

[0013] Figure 2 The utility model is a schematic diagram of the exploded structure of a rechargeable lithium battery. DETAILED DESCRIPTION

[0014] A mini electric knife sharpener with replaceable blades comprises a knife sharpener housing consisting of a base 19 and an upper shell 1, wherein a battery 10, a reduction motor 9, a control panel 17 and a switch 2 which are electrically connected to each other are installed in the knife sharpener housing, wherein the switch 2 is exposed to the outside of the upper shell 1 from the upper shell 1, a knife head connecting seat A6 is fixed on the output shaft of the reduction motor 9, a strong magnetic block A5 is fixed in the knife head connecting seat A6, a grinding disc fixing seat A4 is adsorbed and fixed on the knife head connecting seat A6, a fine steel grinding disc 3 is fixed on the grinding disc fixing seat A4, the reduction motor 9 is fixed in the upper shell 1 through a motor fixing plate 8, a shaft sleeve A7 is fixed in the knife head connecting seat A6, and the shaft sleeve A7 is sleeved and fixed on the output shaft of the reduction motor 9.

[0015] The battery 10 is a rechargeable lithium battery. A conductive connecting piece 11 for installing the rechargeable lithium battery is provided in the upper shell 1. The control board 17 is electrically connected to a charging socket exposed to the outside of the upper shell 1. The end of the upper shell 1 away from the reduction motor 9 is detachably connected to a grinding disc fixing seat B13. A shaft sleeve B12 and a strong magnetic block B14 are fixed in the grinding disc fixing seat B13. A cutter head connecting seat B15 is fixed to the grinding disc fixing seat B13 by adsorption of the strong magnetic block B14, and a ceramic sheet 16 is fixed to the cutter head connecting seat B15.

[0016] like Figure 2 As shown, under this scheme, it is a rechargeable mini electric knife sharpener with replaceable blade. And it can be charged for use. The reduction motor 9 is controlled by switch 2. When the reduction motor 9 is working, its output shaft drives the blade connecting seat A6 to rotate, and the blade connecting seat A6 drives the grinding disc fixing seat A4 to rotate. The fine steel grinding disc 3 on the grinding disc fixing seat A4 can rub on the blade edge to achieve the purpose of sharpening. Remove the blade connecting seat A6 and the grinding disc fixing seat B13, install the grinding disc fixing seat B13 on the output shaft of the reduction motor 9, and sharpen the knife through the ceramic sheet 16 on the grinding disc fixing seat B13. Conveniently and quickly switch between coarse sharpening and fine sharpening.

[0017] A notch for disassembling the grinding disc fixing seat A4 is provided on the cutter head connecting seat A6.

[0018] The battery 10 is a replaceable dry cell battery. A battery compartment 1009 for installing the dry cell battery is provided in the upper shell 1. A negative electrode battery cell 1002 is installed at the bottom of the battery compartment 1009. A battery compartment cover 1008 is snap-connected to the outer port of the battery compartment 1009. A positive electrode battery cell 1001 is fixed inside the battery compartment cover 1008.

[0019] like Figure 1 As shown, this solution provides a mini electric knife sharpener with easy replacement of dry batteries.

[0020] The base 19 is rotatably connected to a rubber-coated pulley 20 via a rotating shaft 18 .

[0021] like Figure 1 and Figure 2 As shown, when sharpening the knife, the entire utility model can roll back and forth on the desktop through the rubber-coated pulley 20 to achieve knife sharpening, which is more convenient.

[0022] The upper housing 1 is provided with a switch exposure hole 1007 .

[0023] The upper housing 1 is provided with a charging socket exposure opening 1006 .

Claims

1. A mini electric knife sharpener with replaceable blades, comprising a knife sharpener housing consisting of a base (19) and an upper housing (1), characterized in that: The knife sharpener shell is provided with a battery (10), a reduction motor (9), a control panel (17) and a switch (2) which are electrically connected to each other. The switch (2) is exposed from the upper shell (1) to the outside of the upper shell (1). A cutter head connecting seat A (6) is fixed on the output shaft of the reduction motor (9). A strong magnetic block A (5) is fixed in the cutter head connecting seat A (6). A grinding disc fixing seat A (4) is adsorbed and fixed on the cutter head connecting seat A (6). A fine steel grinding disc (3) is fixed on the grinding disc fixing seat A (4). The reduction motor (9) is fixed in the upper shell (1) through a motor fixing plate (8). A shaft sleeve A (7) is fixed in the cutter head connecting seat A (6). The shaft sleeve A (7) is sleeved and fixed on the output shaft of the reduction motor (9).

2. The mini electric knife sharpener with replaceable blade according to claim 1, characterized in that: The battery (10) is a rechargeable lithium battery. A conductive connecting piece (11) for installing the rechargeable lithium battery is provided in the upper shell (1). A charging socket exposed to the outside of the upper shell (1) is electrically connected to the control panel (17). An end of the upper shell (1) away from the reduction motor (9) is detachably connected to a grinding disc fixing seat B (13). A shaft sleeve B (12) and a strong magnetic block B (14) are fixed in the grinding disc fixing seat B (13). A cutter head connecting seat B (15) is fixed to the grinding disc fixing seat B (13) by adsorption of the strong magnetic block B (14). A ceramic sheet (16) is fixed to the cutter head connecting seat B (15).

3. The mini electric knife sharpener with replaceable blade according to claim 1, characterized in that: The battery (10) is a replaceable dry cell battery. A battery compartment (1009) for installing the dry cell battery is provided in the upper housing (1). A negative electrode battery cell (1002) is installed at the bottom of the battery compartment (1009). A battery compartment cover (1008) is snap-connected to an outer port of the battery compartment (1009). A positive electrode battery cell (1001) is fixed inside the battery compartment cover (1008).

4. A mini electric knife sharpener with replaceable blades according to claim 2 or 3, characterized in that: The base (19) is rotatably connected to a rubber-coated pulley (20) via a rotating shaft (18).

5. The mini electric knife sharpener with replaceable blade according to claim 4, characterized in that: The upper shell (1) is provided with a switch exposure hole (1007).

6. The mini electric knife sharpener with replaceable blade according to claim 2, characterized in that: The upper shell (1) is provided with a charging socket exposure opening (1006).

Citation Information

Cited By

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