Electric pencil sharpener convenient to use

By providing a battery compartment and a Type-C interface in the electric pencil sharpener and using a circuit switching switch to switch the electrical connection, the problem of inconvenience in use when the battery is out of power is solved, and the continuous use of the electric pencil sharpener is achieved.

CN223314712UActive Publication Date: 2025-09-09DONGGUAN YATSUKA YIZHIMEI METAL & PLASTIC
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Patent Information

Application Number
CN202422595380.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-09-09
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

Existing electric pencil sharpeners require charging or battery replacement when the battery is exhausted, which causes inconvenience in use.

Method used

A device is designed that simultaneously sets a battery compartment and a Type-C interface, and switches the electrical connection between the battery or the Type-C interface and the drive component through a circuit switching switch to achieve continuous use of the electric pencil sharpener.

Benefits of technology

When the battery is out of power, you can continue to use it by connecting an external power supply via the Type-C interface, which improves the convenience of using the electric pencil sharpener.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric pencil sharpener convenient to use, which comprises a body, a cutter and a driving component for driving the cutter to rotate are arranged in the body, the body is further provided with a battery bin for placing a battery and a Type-C interface, and the body is further provided with a circuit change-over switch for switching the Type-C interface or the battery to be electrically connected with the driving component; according to the electric pencil sharpener, the battery bin for containing the battery and the Type-C interface are arranged at the same time, and the circuit switching switch capable of switching the Type-C interface or the battery to be electrically connected with the driving assembly is arranged, so that the electric pencil sharpener can be continuously used, and the problem that an existing electric pencil sharpener is inconvenient to use is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric pencil sharpeners, in particular to an electric pencil sharpener that is convenient to use. Background Art

[0002] A pencil sharpener is a kind of study or office supplies. Electric pencil sharpeners are powered by electricity and are more labor-saving and convenient to use than traditional manual pencil sharpeners.

[0003] Existing electric pencil sharpeners are generally powered by batteries provided inside. However, when the batteries are exhausted, they need to be charged to store a certain amount of power or replaced before they can be used continuously. This makes the electric pencil sharpener inconvenient to use. Utility Model Content

[0004] The present invention addresses the deficiencies in the prior art and provides an easy-to-use electric pencil sharpener. The electric pencil sharpener is provided with a battery compartment for placing a battery and a Type-C interface, and a circuit switching switch that can switch between the Type-C interface and the electrical connection of the battery to the drive component. This allows the electric pencil sharpener to be used continuously, thereby resolving the inconvenience of using the existing electric pencil sharpener.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A convenient electric pencil sharpener comprises a main body, wherein a cutting tool and a driving assembly for rotating the cutting tool are provided within the main body, the main body is further provided with a battery compartment for accommodating a battery and a Type-C interface, and the main body is further provided with a circuit switching switch for switching between the Type-C interface and the battery for electrically connecting to the driving assembly. By simultaneously providing the battery compartment for accommodating the battery and the Type-C interface, and providing the circuit switching switch capable of switching between the Type-C interface and the battery for electrically connecting to the driving assembly, the electric pencil sharpener can be used continuously, thereby resolving the inconvenience of using existing electric pencil sharpeners.

[0007] As a preferred solution, the body is provided with a slide groove, and the circuit switching switch is slidably set in the slide groove. The circuit switching switch has a first state of blocking the Type-C interface and a second state of opening the Type-C interface. When the circuit switching switch is in the first state, the battery compartment is electrically connected to the drive component, and when the circuit switching switch is in the second state, the Type-C interface is electrically connected to the drive component.

[0008] As a preferred solution, the inner wall of the slide groove is provided with a first positioning groove and a second positioning groove, and the side wall of the circuit switching switch has a positioning block corresponding to the first positioning groove and the second positioning groove. When the positioning block is located in the first positioning groove, the circuit switching switch is in the first state, and when the positioning block is located in the second positioning groove, the circuit switching switch is in the second state.

[0009] As a preferred solution, a pen chip cavity is provided in the main body, the tool is rotatably arranged in the pen chip cavity, the tool has a pen feed channel connected to the pen chip cavity, a pen insertion hole connected to the pen feed channel is provided on the main body, and a resistance switch is provided on the side wall of the pen insertion hole.

[0010] As a preferred solution, the driving assembly is drivingly connected to a knife holder, the knife holder is provided with a connecting portion extending into the pencil chip cavity, and the knife is detachably connected to the connecting portion.

[0011] As a preferred solution, the connecting portion is provided with a non-circular connecting groove, the tool is provided with a connecting block corresponding to the connecting groove, and the tool is detachably connected to the connecting portion by inserting the connecting block into the connecting groove.

[0012] As a preferred solution, a movable block is provided above the knife seat, and the movable block is provided with a through hole connecting the pen insertion hole and the pen feed channel. An elastic member is also provided in the main body to ensure that the movable block always has a tendency to move toward the knife seat, and a connecting ring corresponding to the through hole is provided at the upper end of the pen feed channel.

[0013] As a preferred solution, a connecting ring corresponding to a through hole is provided on the upper end of the tool around the pen feed channel, and the upper end of the tool is embedded in the through hole through the connecting ring and abuts against the movable block.

[0014] As a preferred solution, a mounting groove is provided on the main body, and a mounting protrusion corresponding to the mounting groove is provided on the peripheral side of the movable block, and the movable block is mounted on the main body by embedding the mounting protrusion into the mounting groove.

[0015] As a preferred solution, the body further comprises a shavings cover for covering the shavings cavity, and the shavings cover and the body are detachably connected.

[0016] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, by simultaneously providing a battery compartment for placing the battery and a Type-C interface, and providing a circuit switching switch that can switch the Type-C interface or the battery to electrically connect the drive component, when the battery is out of power, the Type-C interface can be switched to electrically connect the drive component, so that the electric pencil sharpener can be used continuously, thereby improving the convenience of use of the electric pencil sharpener.

[0017] In order to more clearly illustrate the structural features, technical means and specific purposes and functions achieved by the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the assembly structure of an embodiment of the utility model from a first perspective;

[0019] Figure 2 It is a schematic diagram of the exploded structure of an embodiment of the present utility model from a first perspective;

[0020] Figure 3 yes Figure 2 A magnified schematic diagram of the structure at center A;

[0021] Figure 4 yes Figure 2 A magnified schematic diagram of the structure at B in the middle;

[0022] Figure 5 This is a schematic diagram of the assembly structure of an embodiment of the utility model from a second viewing angle;

[0023] Figure 6 It is a schematic diagram of the exploded structure of the embodiment of the utility model from a second viewing angle;

[0024] Figure 7 yes Figure 6 A magnified schematic diagram of the structure at C in the middle;

[0025] Figure 8 The utility model is a schematic diagram of the tool structure of an embodiment.

[0026] Description of the accompanying drawings:

[0027] 10-body; 11-pen insertion hole; 12-slide slot; 121-first positioning slot; 122-second positioning slot; 13-circuit switch; 131-positioning block; 14-Type-C interface; 15-battery compartment; 16-pencil chip cover; 17-pencil chip chamber; 18-mounting slot;

[0028] 20 - knife holder; 21 - connecting portion; 22 - connecting groove; 23 - knife; 24 - connecting block; 25 - connecting ring; 26 - pen feed channel; 27 - movable block; 271 - mounting protrusion; 272 - through hole; 28 - spring; DETAILED DESCRIPTION

[0029] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the position or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0030] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0031] like Figure 1-8As shown, the utility model discloses an easy-to-use electric pencil sharpener, comprising a body 10, wherein a tool 23 and a driving assembly for driving the tool 23 to rotate are provided in the body 10, the body 10 is further provided with a battery compartment 15 for placing a battery and a Type-C interface 14, the body 10 is further provided with a circuit switching switch 13 for switching the Type-C interface 14 or the battery to be electrically connected to the driving assembly; the body 10 is provided with a slide groove 12, the circuit switching switch 13 is slidably arranged in the slide groove 12, the circuit switching switch 13 has a first state of blocking the Type-C interface 14 and a second state of opening the Type-C interface 14, when the circuit switching switch 13 is in the first state, the battery compartment 15 is electrically connected to the driving assembly, and when the circuit switching switch 13 is in the second state, the Type-C interface 14 is electrically connected to the driving assembly; the inner wall of the slide groove 12 is provided with a first positioning groove 121 and a second positioning groove 122, the The side wall of the circuit switching switch 13 has a positioning block 131 corresponding to the first positioning groove 121 and the second positioning groove 122. When the positioning block 131 is located in the first positioning groove 121, the circuit switching switch 13 is in the first state, and when the positioning block 131 is located in the second positioning groove 122, the circuit switching switch 13 is in the second state. By moving the circuit switching switch 13 between the first state and the second state, the battery or the Type-C interface 14 is switched to be electrically connected to the drive component. When the battery is out of power, there is no need to charge it. An external power supply with a USB interface such as a laptop computer, tablet computer or power bank can be directly connected to the Type-C interface 14 via a connecting cable to achieve continuous use. By simultaneously providing a battery compartment 15 for placing the battery and the Type-C interface 14, and providing a circuit switching switch 13 that can switch the Type-C interface 14 or the battery to be electrically connected to the drive component, the electric pencil sharpener can be used continuously, solving the problem of inconvenience in using existing electric pencil sharpeners.

[0032] In the present invention, the driving assembly includes a motor, gears, etc., which are common driving assembly structures for those skilled in the art and will not be described in detail here.

[0033] A pencil shavings chamber 17 is defined in the body 10, and the tool 23 is rotatably disposed in the pencil shavings chamber 17. The tool 23 has a pen feed channel 26 connected to the pencil shavings chamber 17. A pen insertion hole 11 connected to the pen feed channel 26 is defined on the body 10, and a resistance switch is provided on the side wall of the pen insertion hole 11. By inserting a pencil into the pen insertion hole 11, the pencil presses against the resistance switch, causing the drive assembly to operate, thereby realizing automatic pencil sharpening.

[0034] In the present invention, the interference switch adopts the common interference switch components and structures known to those skilled in the art, which will not be described in detail here.

[0035] The driving assembly is driven and connected to a tool holder 20, and a connecting portion 21 is provided on the tool holder 20 to extend into the pencil chip chamber 17, and the tool 23 is detachably connected to the connecting portion 21; the connecting portion 21 is provided with a non-circular connecting groove 22, and the tool 23 is provided with a connecting block 24 corresponding to the connecting groove 22, and the tool 23 is detachably connected to the connecting portion 21 by inserting the connecting block 24 into the connecting groove 22; the detachable connection between the tool 23 and the tool holder 20 can be achieved by inserting the connecting block 24 into the connecting groove 22.

[0036] In the present invention, the shape of the connecting groove 22 is a cross and a rectangle. It should be understood that the shape of the connecting groove 22 can be an irregular shape such as a star, an ellipse, etc. The shape of the connecting block 24 corresponds to the connecting groove 22, and its shape is sufficient to enable the driving assembly to drive the tool holder 20 to drive the tool 23 to rotate.

[0037] A movable block 27 is provided above the knife seat 20. The movable block 27 is provided with a through hole 272 connecting the pen insertion hole 11 and the pen feed channel 26. A spring 28 is also provided in the body 10 to make the movable block 27 always have a tendency to move toward the knife seat 20. A connecting ring 25 corresponding to the through hole 272 is provided at the upper end of the pen feed channel 26; a connecting ring 25 corresponding to the through hole 272 is provided at the upper end of the tool 23 around the pen feed channel 26, and the upper end of the tool 23 is embedded in the through hole 272 through the connecting ring 25 and abuts against the movable block 27. On the main body 10; a mounting groove 18 is provided on the main body 10, and a mounting protrusion 271 corresponding to the mounting groove 18 is provided on the peripheral side of the movable block 27, and the movable block 27 is embedded in the mounting groove 18 and installed on the main body 10 through the mounting protrusion 271; by providing the movable block 27 and detachably connecting the tool 23 and the connecting portion 21, the movable block 27 presses and fixes the tool 23 under the action of the spring 28, and the tool 23 can be quickly replaced under the action of the spring 28, which facilitates the replacement of the worn tool 23 and improves the convenience of use.

[0038] The main body 10 further comprises a pencil shavings cover 16 covering the pencil shavings chamber 17 , and the pencil shavings cover 16 and the main body 10 are detachably connected. By providing the pencil shavings cover 16 , pencil shavings can be quickly taken out for easy use.

[0039] The method of using the present invention is as follows: insert a pencil into the cutter 23 along the pencil insertion hole 11. During the process of inserting the pencil, press the contact switch so that the power supply drives the drive component to drive the cutter 23, so that the cutter 23 rotates to sharpen the pencil; when the battery in the battery compartment 15 is out of power, an external power supply can be connected through the Type-C interface 14, and the circuit switching switch 13 switches the drive component to be electrically connected to the Type-C interface 14, and the Type-C interface 14 is used for power supply, so that the electric pencil sharpener can continue to be used.

[0040] In summary, the present invention simultaneously provides a battery compartment 15 for placing the battery and a Type-C interface 14, and provides a circuit switching switch 13 that can switch the Type-C interface 14 or the battery to electrically connect the drive component. When the battery is out of power, the Type-C can be switched to electrically connect the drive component, so that the electric pencil sharpener can be used continuously, thereby improving the convenience of use of the electric pencil sharpener.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made to the above embodiments based on the technical practice of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A convenient electric pencil sharpener, characterized by: It includes a main body, which is provided with a tool and a driving component for driving the tool to rotate. The main body is also provided with a battery compartment for placing a battery and a Type-C interface. The main body is also provided with a circuit switching switch for switching the Type-C interface or the battery to electrically connect the driving component.

2. The convenient electric pencil sharpener according to claim 1, characterized in that: The body is provided with a slide groove, and the circuit switching switch is slidably arranged in the slide groove. The circuit switching switch has a first state for blocking the Type-C interface and a second state for opening the Type-C interface. When the circuit switching switch is in the first state, the battery compartment is electrically connected to the drive component, and when the circuit switching switch is in the second state, the Type-C interface is electrically connected to the drive component.

3. The convenient electric pencil sharpener according to claim 2, characterized in that: The inner wall of the slide groove is provided with a first positioning groove and a second positioning groove, and the side wall of the circuit switching switch has a positioning block corresponding to the first positioning groove and the second positioning groove. When the positioning block is located in the first positioning groove, the circuit switching switch is in the first state, and when the positioning block is located in the second positioning groove, the circuit switching switch is in the second state.

4. The convenient electric pencil sharpener according to claim 1, characterized in that: A pen chip cavity is provided in the body, the tool is rotatably arranged in the pen chip cavity, the tool has a pen feed channel connected to the pen chip cavity, a pen insertion hole connected to the pen feed channel is provided on the body, and a resistance switch is provided on the side wall of the pen insertion hole.

5. The convenient-to-use electric pencil sharpener according to claim 4, characterized in that: The driving assembly is drivably connected to a knife seat, and a connecting portion extending into the pencil shavings cavity is provided on the knife seat, and the knife is detachably connected to the connecting portion.

6. The convenient electric pencil sharpener according to claim 5, characterized in that: The connecting portion is provided with a non-circular connecting groove, and the tool is provided with a connecting block corresponding to the connecting groove. The tool is detachably connected to the connecting portion by inserting the connecting block into the connecting groove.

7. The convenient-to-use electric pencil sharpener according to claim 6, characterized in that: A movable block is provided above the knife seat, and a through hole is opened on the movable block to connect the pen insertion hole and the pen feed channel. An elastic member is also provided in the main body to make the movable block always have a tendency to move toward the knife seat, and a connecting ring corresponding to the through hole is provided at the upper end of the pen feed channel.

8. The convenient electric pencil sharpener according to claim 7, characterized in that: The upper end of the tool is provided with a connecting ring corresponding to a through hole around the pen feeding channel, and the upper end of the tool is embedded in the through hole through the connecting ring and abuts against the movable block.

9. The convenient electric pencil sharpener according to claim 8, characterized in that: The main body is provided with a mounting groove, and the peripheral side of the movable block is provided with a mounting protrusion corresponding to the mounting groove. The movable block is installed on the main body by embedding the mounting protrusion into the mounting groove.

10. The convenient electric pencil sharpener according to claim 1, characterized in that: The main body is further provided with a pencil chip cover for covering the pencil chip cavity, and the pencil chip cover and the main body are detachably connected.