Multipurpose pencil sharpening tool

By combining bolts, L-shaped rods, and pins in a multi-purpose pencil sharpener, the problem of existing pencil sharpeners being unable to secure cylindrical erasers is solved, achieving stable fixation of erasers of different shapes and improving the user experience.

CN223520524UActive Publication Date: 2025-11-07NINGBO HEYME INFORMATION TECH CO LTD
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Patent Information

Application Number
CN202423045908.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-07
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing pencil sharpeners with built-in erasers can only hold erasers of one shape, and cannot adapt to cylindrical erasers, thus limiting the effectiveness of the device.

Method used

A multi-purpose pencil sharpener was designed, which uses a combination of bolts, L-shaped rods and pins to fix erasers of different shapes, including width and cylindrical erasers.

Benefits of technology

It achieves a stable fixation of erasers of different shapes, improving the device's flexibility and applicability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multipurpose pencil sharpening tool, which relates to the technical field of pencil sharpening tools and comprises a hollow rod, one end of the hollow rod is fixedly connected with a connecting seat, a circular cutter holder is mounted in the connecting seat, a sliding seat is arranged in the hollow rod, and two ends of the sliding seat are fixedly connected with connecting blocks. Sliding grooves are formed in the two sides of the interior of the hollow rod correspondingly, the connecting blocks are arranged in the sliding grooves and slidably connected with the hollow rod, the rotary knob is rotated, the bolt is in threaded connection with the push plate, the bolt drives the two L-shaped rods to move downwards through the circular base, and the two L-shaped rods slide downwards on the two connecting blocks correspondingly; due to the fact that the first contact pins can be inserted into the width eraser, the downward positions of the second contact pins and the first contact pins can be adjusted, the first contact pins can be inserted into the width eraser, the second contact pins can be inserted into the cylindrical eraser, and therefore the width eraser and the cylindrical eraser can be fixed through the structural design, and the using effect of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pencil rolling tool technical field, concretely is multi -purpose pencil rolling tool. BACKGROUND

[0002] Pencil rolling tool is a common stationery, mainly used for sharpening pencil. They can be divided into two types of manual pencil sharpener and electric pencil sharpener. Manual pencil sharpener is small and portable, suitable for students and artists. And electric pencil sharpener usually has higher efficiency and convenience, suitable for occasions needing to sharpen multiple pencils quickly, and pencil rolling tool with eraser is a learning stationery integrated with eraser and pencil rolling function, also commonly seen in student supplies market.

[0003] In the prior art, the pencil rolling tool with eraser can only be fixed to one shape of eraser, but cannot be fixed to cylindrical eraser, thereby limiting the use effect of the device, and further improving the design of a multi-purpose pencil rolling tool. UTILITY MODEL CONTENT

[0004] The utility model aims at providing multi -purpose pencil rolling tool to solve the problem that the pencil rolling tool with eraser in prior art can only be fixed to one shape of eraser, but cannot be fixed to cylindrical eraser, thereby limiting the use effect of the device.

[0005] To achieve the above object, the utility model provides the following technical scheme: multi -purpose pencil rolling tool, including hollow rod, one end of the hollow rod is fixedly connected with connecting seat, the connecting seat is installed with circular tool rest in the inside, the hollow rod is equipped with sliding seat in the inside, both ends of the sliding seat are fixedly connected with connecting block, both sides of the hollow rod are equipped with sliding groove in the inside, the connecting block is arranged in the sliding groove and is connected with the hollow rod slidingly, the sliding seat outside is equipped with second round hole, both sides of the second round hole are formed with second placing groove, the sliding seat top is equipped with circular seat, both sides of the circular seat are fixedly connected with L shaped rod, the L shaped rod bottom all penetrates connecting block and is connected with connecting block slidingly, the L shaped rod inside top is installed with a plurality of first pin, the circular seat bottom is installed with second pin, the circular seat top is rotatably connected with bolt, one end of the bolt is installed with knob, the bolt outside is connected with push board in screw thread, the push board and the hollow rod are equipped with limit structure between.

[0006] Preferably, the circular tool rest outside is formed with tool hole, and the tool hole is installed with a cutter for sharpening pencil.

[0007] Preferably, the hollow rod is provided with a first circular hole at the other end, and a first placing groove is formed at both sides of the first circular hole, the first circular hole and the two first placing grooves are communicated with the inside of the hollow rod, and the two first placing grooves are arranged to facilitate the passing of the eraser with a width, and the first circular hole facilitates the passing of the cylindrical eraser.

[0008] Preferably, a plurality of first pinholes are formed at the top of the two second placing grooves, the first insertion pin is arranged in the first pinhole, a second pinhole is formed at the top of the second circular hole, and the second insertion pin is arranged in the second pinhole, the first pinhole is arranged to facilitate the passing of the first insertion pin, and the second pinhole is arranged to facilitate the passing of the second insertion pin.

[0009] Preferably, the hollow rod is provided with a mounting groove at the top, and a sliding groove is formed at both sides of the mounting groove, and the sliding block is fixedly connected to both sides of the push plate and arranged in the sliding groove and in sliding connection with the hollow rod, and the two sliding blocks and the two sliding grooves are arranged to avoid the pull-out of the push plate from the mounting groove.

[0010] Preferably, the limiting structure comprises a long slot formed at the center of the mounting groove, the long slot is communicated with the inside of the hollow rod, and a plurality of clamping grooves are formed in the long slot, and the bolt passes through the long slot and extends to the front side of the hollow rod.

[0011] Preferably, the limiting structure further comprises a pressing block arranged at the top of the push plate, a square rod fixedly connected to the rear side of the pressing block, the square rod penetrating through the push plate and in sliding connection with the push plate, an L-shaped plate fixedly connected to the bottom end of the square rod, a clamping block fixedly connected to one end of the L-shaped plate, and the clamping block is arranged in one of the clamping grooves.

[0012] Preferably, the square rod is provided with a spring outside, and the spring is fixedly connected to the L-shaped plate and the push plate at both ends, and the spring is arranged to have elastic stretching and elastic resetting functions.

[0013] Compared with the prior art, the application has the following advantages:

[0014] 1、the application can adjust the downward position of the second insertion pin and the plurality of first insertion pins by rotating the knob, the bolt and the push plate in threaded connection, the bolt drives the two L-shaped rods to move downward through the circular seat, and the two L-shaped rods slide downward on the two connecting blocks, respectively, so that the plurality of first insertion pins can be inserted into the width eraser, and the second insertion pin can be inserted into the cylindrical eraser, and therefore, the structure design can fix the width and cylindrical eraser, and improve the use effect of the device.

[0015] 2, the application is through the pressing block, the square rod drives the clamping block to move down through the L-shaped plate, the spring is elastically stretched, the clamping block is away from the clamping groove, so that the push plate can be slid in the installation groove, the sliding seat is moved through the cooperation of the bolt, the circular seat, the two L-shaped rods and the two connecting blocks, so that the fixed eraser can be in the hollow rod. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram of the utility model multi-purpose pencil tool;

[0017] Figure 2 It is the hollow rod sectional view of the utility model multi-purpose pencil tool;

[0018] Figure 3 It is the L-shaped plate structure schematic diagram of the utility model multi-purpose pencil tool;

[0019] Figure 4 It is the sliding seat structure schematic diagram of the utility model multi-purpose pencil tool.

[0020] Reference numerals in the drawing: 1, hollow rod;100, first round hole;101, first placement slot;102, sliding groove;2, connecting seat;3, circular tool holder;4, tool hole;5, installation groove;6, long slot;7, clamping groove;8, push plate;80, sliding block;81, sliding groove;9, pressing block;10, square rod;11, spring;12, L-shaped plate;13, clamping block;14, knob;15, bolt;16, sliding seat;17, connecting block;18, L-shaped rod;19, circular seat;20, first pin;21, second pin;200, second round hole;201, second placement slot;202, first pinhole;2022, second pinhole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment: as Figure 1 - Figure 4The utility model provides multi -use pencil tool's technical scheme, including hollow pole 1, one end fixed connection of hollow pole 1 has connecting seat 2, the inside installation of connecting seat 2 has round tool seat 3, the outside of round tool seat 3 is shaped and has knife hole 4, and the inside installation of knife hole 4 has the cutter for cutting pencil, the other end of hollow pole 1 is provided with first round hole 100, and the both sides of first round hole 100 are shaped and have first placing groove 101, and first round hole 100 and two first placing groove 101 all communicate with the inside of hollow pole 1, and the inside of hollow pole 1 is equipped with sliding seat 16, and the both ends of sliding seat 16 are fixedly connected with connecting block 17, and the both sides of the inside of hollow pole 1 are provided with sliding groove 102, and connecting block 17 is arranged in the inside of sliding groove 102 and is connected with the sliding connection of hollow pole 1, and the outside of sliding seat 16 is provided with second round hole 200, and the both sides of second round hole 200 are shaped and have second placing groove 201, and the top of sliding seat 16 is equipped with round seat 19, and the both sides of round seat 19 are fixedly connected with L shaped pole 18, and the bottom of L shaped pole 18 all penetrates connecting block 17 and is connected with the sliding connection of connecting block 17, and the inside top of L shaped pole 18 is installed with a plurality of first inserting pin 20, and the inside top of two second placing grooves 201 is shaped and has a plurality of first pinhole 202, and the bottom of first inserting pin 20 is arranged in the inside of first pinhole 202, and the bottom of round seat 19 is installed with second inserting pin 21, and the inside top of second round hole 200 is shaped and has second pinhole 2022, and the bottom of second inserting pin 21 is arranged in the inside of second pinhole 2022, and the top of round seat 19 is rotatably connected with bolt 15, and one end of bolt 15 is installed with knob 14, and the outside of bolt 15 is threadedly connected with push plate 8, and the top of hollow pole 1 is provided with mounting groove 5, and the both sides of the inside of mounting groove 5 are provided with sliding slot 81, and the both sides of push plate 8 are fixedly connected with sliding block 80, and sliding block 80 is arranged in the inside of sliding slot 81 and is connected with the sliding connection of hollow pole 1, and the between push plate 8 and hollow pole 1 is equipped with limit structure.

[0023] Specifically, two second placing grooves 201 can place the eraser of width, through second round hole 200 can place cylindrical eraser, rotate knob 14, bolt 15 is threadedly connected with push plate 8, bolt 15 moves down with two L shaped poles 18 through round seat 19, and two L shaped poles 18 slide down on two connecting blocks 17 respectively, so the down position of second inserting pin 21 and a plurality of first inserting pin 20 can be adjusted, a plurality of first inserting pin 20 can be inserted into the inside of width eraser, and second inserting pin 21 can be inserted into the inside of cylindrical eraser, so the structure design can satisfy the fixing of width and cylindrical eraser, improve the use effect of device.

[0024] Embodiment: as Figure 1 - Figure 3As shown, the limiting structure comprises a long slot 6 formed at the inner central position of the mounting slot 5, the long slot 6 is communicated with the inside of the hollow rod 1, a plurality of clamping grooves 7 are formed in the inside of the long slot 6, the bolt 15 passes through the long slot 6 and extends to the front side of the hollow rod 1, the limiting structure further comprises a pressing block 9 arranged on the top of the push plate 8, the rear side of the pressing block 9 is fixedly connected with a square rod 10, the square rod 10 penetrates through the push plate 8 and is slidably connected with the push plate 8, the bottom end of the square rod 10 is fixedly connected with an L-shaped plate 12, one end of the L-shaped plate 12 is fixedly connected with a clamping block 13 arranged in one of the clamping grooves 7, a spring 11 is sleeved outside the square rod 10, and the two ends of the spring 11 are fixedly connected with the L-shaped plate 12 and the push plate 8 respectively.

[0025] Specifically, by pressing the pressing block 9, the square rod 10 drives the clamping block 13 to move downward through the L-shaped plate 12, the spring 11 is elastically stretched, and the clamping block 13 is away from the clamping groove 7, so that the push plate 8 can slide in the inside of the mounting slot 5, the sliding seat 16 is moved through the cooperation of the bolt 15, the circular seat 19, the two L-shaped rods 18 and the two connecting blocks 17, and thus the fixed eraser can be received in the inside of the hollow rod 1.

[0026] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A multi-purpose pencil holder characterized by: The utility model provides a hollow rod (1) one end fixedly connected with connecting seat (2), connecting seat (2) inside installs round sword seat (3), hollow rod (1) inside is equipped with sliding seat (16), both ends of sliding seat (16) are fixedly connected with connecting block (17), both sides of hollow rod (1) inside are all set up sliding slot (102), connecting block (17) is set up in sliding slot (102) inside and is connected with hollow rod (1) slidingly, the second round hole (200) of sliding seat (16) outside is set up, both sides of second round hole (200) are formed with second placing groove (201), the top of sliding seat (16) is equipped with round seat (19), both sides of round seat (19) are fixedly connected with L shaped rod (18), and L shaped rod (18) bottom all penetrates connecting block (17) and is connected with connecting block (17) slidingly, and the inside top of L shaped rod (18) is installed with a plurality of first pin (20), and the second pin (21) of round seat (19) bottom is installed, and the top of round seat (19) is rotatably connected with bolt (15), and the one end of bolt (15) is installed with knob (14), and the outside of bolt (15) is threadedly connected with push plate (8), and the limit structure is equipped between push plate (8) and hollow rod (1).

2. The multi-purpose pencil tool of claim 1, wherein: The outside of the round sword seat (3) is formed with a knife hole (4), and the knife hole (4) is internally provided with a cutter for pencil sharpening.

3. The multi-purpose pencil tool of claim 1, wherein: The other end of the hollow rod (1) is provided with a first round hole (100), and both sides of the first round hole (100) are formed with first placing grooves (101), and the first round hole (100) and the two first placing grooves (101) are communicated with the inside of the hollow rod (1).

4. The multi-purpose pencil tool of claim 1, wherein: The inside top of the two second placing grooves (201) is formed with a plurality of first pinholes (202), the bottom of the first pin (20) is arranged in the first pinhole (202), and the inside top of the second round hole (200) is formed with a second pinhole (2022), and the bottom of the second pin (21) is arranged in the second pinhole (2022).

5. The multi-purpose pencil tool of claim 1, wherein: The top of the hollow rod (1) is provided with a mounting groove (5), and both sides of the mounting groove (5) are provided with sliding grooves (81), and both sides of the push plate (8) are fixedly connected with sliding blocks (80), and the sliding blocks (80) are arranged in the sliding grooves (81) and are connected with the hollow rod (1) slidingly.

6. The multi-purpose pencil tool of claim 5, wherein: The limit structure comprises a long slot (6) formed at the center of the mounting groove (5), the long slot (6) is communicated with the inside of the hollow rod (1), a plurality of clamping grooves (7) are formed in the long slot (6), and the bolt (15) passes through the long slot (6) and extends to the front side of the hollow rod (1).

7. The multi-purpose pencil tool of claim 6, wherein: The limiting structure further comprises a pressing block (9) arranged on the top of the push plate (8), a square rod (10) fixedly connected to the rear side of the pressing block (9), the square rod (10) penetrating through the push plate (8) and being in sliding connection with the push plate (8), an L-shaped plate (12) fixedly connected to the bottom end of the square rod (10), and a clamping block (13) fixedly connected to one end of the L-shaped plate (12) and arranged in one of the clamping grooves (7).

8. The multi-purpose pencil tool of claim 7, wherein: A spring (11) is sleeved outside the square rod (10), and the two ends of the spring (11) are fixedly connected with the L-shaped plate (12) and the push plate (8) respectively.