A point-and-read pen with contact protection function

By using symmetrically arranged buttons and hinged connecting rods, combined with a sealed piston and sponge block design, the intelligent reading pen's contact tip can be automatically stored and self-cleaned, solving the problem of easy contact tip damage in existing technologies and improving protection and service life.

CN224304258UActive Publication Date: 2026-05-29SHENZHEN NUFILO

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN NUFILO
Filing Date
2025-05-26
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

If the locking mechanism of a current smart reading pen is not pressed during or after use, the contact point will be exposed to the outside, making it susceptible to damage from bumps and knocks, resulting in poor protection.

Method used

Design a reading pen with contact protection function. It uses symmetrically arranged buttons and hinged linkage to realize the extension and retraction of the contact body. Combined with the design of a sealed piston and sponge block, a dustproof and waterproof barrier is formed to ensure that the contact is always in the storage state in the event of an accidental drop. The sponge block also achieves self-cleaning through friction.

Benefits of technology

It effectively prevents damage to the contacts when they are accidentally dropped, thus extending their service life. The self-cleaning function of the sponge block keeps the optical sensing surface clean, reducing the risk of accidental touches and forgetting to reset.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the point -and -click pen technical field, and disclose a kind of point -and -click pen with contact protection function, including pen shell and the storage tube of pen shell bottom setting, the inside upper and lower sliding connection of storage tube has contact main part.This kind of point -and -click pen with contact protection function, through the cooperation of the button of two sides symmetrical arrangement and hinged connecting rod, thumb and index finger natural pinch double key when user single hand holds, trigger connecting rod promotes contact main part to extend to working position;Hand loose, the compression spring in reset component immediately rebounds, drives plug rod to slide along reset cylinder axis, forcibly drags contact main part to retract into storage tube, realize the operation logic of " pinch use, hand loose", completely avoid the possible false touch or forget reset problem of traditional button single point press, even if point -and -click pen accidentally falls, contact is always in storage protection state, significantly reduce the risk of knock damage.
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Description

Technical Field

[0001] This utility model relates to the field of reading pen technology, specifically a reading pen with contact protection function. Background Technology

[0002] The emergence of smart reading pens has solved the problem of most parents struggling to tutor their children, and at the same time, smart reading pens can greatly assist children in learning and doing homework.

[0003] An existing patent (publication number: CN222260285U) discloses a smart reading pen with a contact protection mechanism. The smart reading pen includes a protective shell, inside which a spring is installed. The bottom of the spring is fixed to the bottom of the protective shell, and a movable sleeve plate is fixed to the top of the spring. The movable sleeve plate is U-shaped, and a connecting rod is installed on the top of the movable sleeve plate. A baffle plate is installed through the outer surface of the connecting rod, and a screw is installed on the top of the connecting rod. Limiting rods are installed through both ends of the baffle plate, and the tops of the limiting rods are fixed to the bottom of a cover plate. A button is installed on the top of the baffle plate, and a placement groove is formed at the center of the bottom of the baffle plate. The beneficial effect is that this utility model provides a smart reading pen with a contact protection mechanism, which protects the contact point of the reading pen from contact with other materials, preventing the contact point from coming into contact with other objects and causing wear on the contact surface, thus affecting its performance and improving the service life of the reading pen.

[0004] After the reading pen is finished using it, press the locking block again. Under the action of spring two, the locking block will reset and rotate to the shorter end of the movable slot. At this time, the locking piece will move out of the slot, and spring one will retract the reading pen into the protective shell under its own elasticity, preventing the contact tip from being damaged by contact with objects and improving the service life of the reading pen. However, if the locking block is not pressed during or after use, the reading pen contact tip will be exposed to the outside of the protective shell. If the reading pen is dropped, the contact tip is still easy to collide with the outside, causing damage to the reading end of the reading pen, resulting in poor protection. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a reading pen with contact protection function, which has advantages such as good protection effect and solves the problems mentioned in the background technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a reading pen with contact protection function, comprising a pen shell and a storage tube provided at the bottom of the pen shell, wherein a contact body is slidably connected inside the storage tube, and two trigger grooves are provided on both sides of the pen shell, wherein a button is slidably connected inside each of the two trigger grooves, and a connecting rod is hinged between the bottom end of each of the two buttons and the top end of the contact body, wherein the two connecting rods are arranged symmetrically.

[0007] The two sides of the contact body are respectively provided with reset components for resetting the contact body;

[0008] A set of sponge blocks arranged in a circle are fixedly connected to the inner wall of the bottom end of the storage tube.

[0009] Furthermore, a partition plate is fixedly connected to the inner wall of the pen shell, and a wire hole is formed on the upper surface of the partition plate.

[0010] The above solution, with the partition plate, makes it easy to install electronic components on top of the partition plate, and the wire hole facilitates the connection of the contact body cable.

[0011] Furthermore, both reset components include a connecting plate, which is fixedly connected to the top outer surface of the contact body. A rod is fixedly connected to the bottom of each connecting plate, and a reset cylinder is slidably sleeved at the bottom of each rod. The bottom of each reset cylinder is fixedly connected to the inner bottom wall of the pen shell. A compression spring is fixedly connected between each rod and its adjacent reset cylinder.

[0012] The above scheme, through the setting of the insertion rod and the reset cylinder, can limit the up and down sliding of the contact body to prevent it from rotating, and through the setting of the compression spring, can realize the reset of the contact body.

[0013] Furthermore, anti-slip grooves are provided on the outer surfaces of both buttons.

[0014] The above solution, through the setting of anti-slip grooves, can increase the friction coefficient of the button surface, prevent the user's fingers from slipping when pressing, and improve the accuracy of pressing operation and the comfort of the feel.

[0015] Furthermore, the side of each sponge block closest to the contact body is configured as an arc-shaped surface that matches the bottom end of the contact body.

[0016] The above solution and settings allow the sponge block to fit more closely to the contact head body, improving the cleaning effect.

[0017] Furthermore, the pen shell and the storage tube are integrally molded from engineering plastic material.

[0018] The above solution, which uses an integrated molding process with engineering plastics, not only ensures the strength and durability of the overall structure but also effectively reduces the weight of the pen body. It also has excellent injection molding performance, making it easy to achieve precise molding of complex structures during production.

[0019] Furthermore, a sealing piston is fixedly connected to the outer surface of the contact body, and the sealing piston is slidably inserted into the receiving tube.

[0020] The above solution, through the design of a sealed piston, improves the sealing performance of the pen casing, effectively preventing liquid from entering the pen casing through the collection tube.

[0021] Compared with the prior art, the technical solution of this utility model has the following beneficial effects:

[0022] This reading pen features a contact protection function. Through the cooperation of symmetrically arranged buttons on both sides and a hinged linkage, when the user holds the pen with one hand, the thumb and forefinger naturally pinch the two buttons, triggering the linkage to push the contact body to the working position. Upon release, the spring in the reset assembly immediately rebounds, causing the insertion rod to slide axially along the reset cylinder, forcibly pulling the contact body back into the storage tube. This achieves the "pinch to use, release to retract" operation logic, completely avoiding the accidental touch or forgotten reset problems that may occur with traditional single-point button presses. Even if the reading pen is accidentally dropped, the contact remains in a protected state, significantly reducing the risk of impact damage. During the lifting and lowering of the contact body, the sealing piston on its outer wall slides tightly against the inner wall of the storage tube, forming the first layer of dust and water protection. When the contact is fully retracted, the circumferentially arranged arc-shaped sponge blocks tightly wrap around the bottom of the contact, preventing external impurities from entering and achieving self-cleaning through the reciprocating motion of the contact and friction with the sponge, ensuring the cleanliness of the optical sensing surface. Attached Figure Description

[0023] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this application. Figure 1 ;

[0024] Figure 2 This is a three-dimensional schematic diagram of the overall structure of this application. Figure 2 ;

[0025] Figure 3 This is a cross-sectional view of the overall structure of this application;

[0026] Figure 4 This is a structural diagram of the sponge block in this application.

[0027] In the picture:

[0028] 1. Pen casing; 101. Divider;

[0029] 2. Storage tube; 3. Contact body; 301. Sealing piston;

[0030] 4. Trigger slot;

[0031] 5. Buttons; 501. Anti-slip grooves;

[0032] 6. Connecting rod;

[0033] 7. Reset assembly; 701. Connecting plate; 702. Insert rod; 703. Reset cylinder; 704. Compression spring;

[0034] 8. Sponge block. Detailed Implementation

[0035] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0036] Please see Figure 1 , Figure 2 and Figure 3 This embodiment of a reading pen with contact protection function includes a pen shell 1 and a storage tube 2 located at the bottom of the pen shell 1. A contact body 3 is slidably connected inside the storage tube 2. A partition plate 101 is fixedly connected to the inner side wall of the pen shell 1. A wire hole is formed on the upper surface of the partition plate 101. The partition plate 101 facilitates the installation of electronic components above it, and the wire hole facilitates the passage and connection of the contact body 3 cable. Two trigger slots 4 are provided on both sides of the pen shell 1, and buttons 5 are slidably connected inside each trigger slot 4. Both buttons 5 are hinged to the bottom and the top of the contact body 3 by connecting rods 6. The two connecting rods 6 are symmetrically arranged. When the user uses the reading pen, pressing the two buttons 5 brings them closer together. The connecting rods 6 can push the contact body 3 to extend below the storage tube 2 for easy use. The outer surface of both buttons 5 is provided with anti-slip grooves 501. The anti-slip grooves 501 increase the friction coefficient of the button surface, prevent the user's fingers from slipping when pressing, and improve the accuracy and comfort of the pressing operation.

[0037] Please see Figure 1 , Figure 2 and Figure 3 A sealing piston 301 is fixedly connected to the outer surface of the contact body 3. The sealing piston 301 is slidably inserted into the storage tube 2. The sealing piston 301 can improve the sealing performance of the pen shell 1 and effectively prevent liquid from entering the pen shell 1 through the storage tube 2. The pen shell 1 and the storage tube 2 are integrally molded from engineering plastic material. The integral molding of engineering plastic material not only ensures the strength and durability of the overall structure, but also effectively reduces the weight of the pen body. At the same time, it has excellent injection molding performance, which facilitates the precise molding of complex structures during production.

[0038] Please see Figure 1 , Figure 2 and Figure 3The two sides of the contact body 3 are respectively provided with reset components 7 for resetting the contact body 3. Each reset component 7 includes a connecting plate 701. The two connecting plates 701 are fixedly connected to the top outer surface of the contact body 3. The bottom of each connecting plate 701 is fixedly connected with a rod 702. The bottom end of each rod 702 is slidably sleeved with a reset cylinder 703. The bottom end of each reset cylinder 703 is fixedly connected to the inner bottom wall of the pen shell 1. Each rod 702 and its adjacent reset cylinder 703 are fixedly connected with a compression spring 704. The rod 702 and the reset cylinder 703 limit the up and down sliding of the contact body 3 to prevent it from rotating. At the same time, the compression spring 704 resets the contact body 3. When the user does not use the reading pen, the contact body 3 can automatically reset into the storage tube 2 to protect the contact body 3.

[0039] Please see Figure 1 , Figure 3 and Figure 4 A set of circumferentially arranged sponge blocks 8 are fixedly connected to the inner wall of the bottom end of the storage tube 2. The sponge blocks 8 can protect the storage tube 2 and prevent external impurities from entering the interior of the storage tube 2, causing the contact body 3 to slide and get stuck. At the same time, the contact body 3 can be cleaned during the storage process to ensure the quality of subsequent reading. The side of each sponge block 8 near the contact body 3 is set as an arc-shaped surface that matches the bottom end of the contact body 3. Through the above settings, the sponge block 8 can fit more closely to the contact body 3 and improve the cleaning effect.

[0040] In this embodiment, a reading pen with contact protection function works by using buttons 5 symmetrically arranged on both sides in conjunction with a hinged link 6. When the user holds the pen with one hand, the thumb and forefinger naturally pinch the two buttons, triggering the link 6 to push the contact body 3 to extend to the working position. After releasing the hand, the compression spring 704 in the reset assembly 7 immediately rebounds, causing the insertion rod 702 to slide axially along the reset cylinder 703, forcibly pulling the contact body 3 back into the storage tube 2, realizing the operation logic of "pinch to use, release to retract". This completely avoids the problem of accidental touch or forgetting to reset that may occur with traditional single-point button pressing. Even if the reading pen is accidentally dropped, the contact is always in a retracted and protected state, significantly reducing the risk of impact damage. During the lifting and lowering of the contact body 3, the sealing piston 301 on its outer wall slides tightly with the inner wall of the storage tube 2, forming the first dustproof and waterproof barrier. When the contact is fully retracted, the circumferentially arranged arc-shaped sponge blocks 8 tightly wrap around the bottom of the contact, which not only prevents external impurities from entering, but also achieves self-cleaning through the reciprocating motion of the contact and friction with the sponge, ensuring the cleanliness of the optical sensing surface.

[0041] The working principle of the above embodiment is as follows: the contact body 3 is completely retracted into the storage tube 2 under the action of the reset component 7. At this time, the compression spring 704 in the reset cylinder 703 is in a naturally extended state. The top of the insertion rod 702 is rigidly connected to the contact body 3 through the connecting plate 701, which restricts its radial displacement. The bottom of the contact is tightly wrapped by the circumferentially arranged arc-shaped sponge blocks 8 to form a dustproof and sealed interface. The sealing piston 301 on its outer wall is in contact with the inner wall of the storage tube 2 to prevent external liquid from seeping into the pen shell 1. When the user holds the pen shell 1 with one hand, the thumb and forefinger naturally press the buttons 5 on both sides. The buttons 5 slide along the trigger groove 4 towards the central axis of the pen shell 1. The symmetrically hinged connecting rod 6 then generates a downward pushing force. Under the synchronous push of the double connecting rod 6, the contact body 3 moves along the... The storage tube 2 moves smoothly downward along the axis until the bottom end of the contact extends out of the storage tube 2. The insertion rod 702 moves downward synchronously inside the reset cylinder 703, and the compression spring 704 stores energy. The sealing piston 301 slides down with the contact, continuously maintaining a dynamic seal with the wall of the storage tube 2. After the contact extends, the reading operation begins. When the user releases the button 5, the compression spring 704 quickly releases energy, pushing the insertion rod 702 to rebound upward along the axis of the reset cylinder 703. The insertion rod 702 forcibly pulls the contact body 3 upward through the connecting plate 701. At the same time, the buttons 5 on both sides automatically reset to their initial positions under the reverse force of the connecting rod 6. During the retraction process of the contact body 3, its bottom surface rubs against the arc surface of the sponge block 8, scraping away foreign matter attached to the contact surface to ensure the subsequent reading effect.

[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0043] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A reading pen with contact protection function, comprising a pen shell (1) and a storage tube (2) disposed at the bottom of the pen shell (1), characterized in that: The storage tube (2) is slidably connected to the contact body (3) inside. The pen shell (1) has two trigger slots (4) on both sides. The two trigger slots (4) are slidably connected to the buttons (5). The bottom of the two buttons (5) and the top of the contact body (3) are hinged to the connecting rods (6). The two connecting rods (6) are arranged symmetrically. The two sides of the contact body (3) are respectively provided with reset components (7) for resetting the contact body (3); A set of sponge blocks (8) arranged in a circle are fixedly connected to the inner wall of the bottom end of the storage tube (2).

2. A reading pen with contact protection function according to claim 1, characterized in that: The inner wall of the pen shell (1) is fixedly connected to a partition plate (101), and the upper surface of the partition plate (101) has a wire hole.

3. A reading pen with contact protection function according to claim 1, characterized in that: Both reset components (7) include a connecting plate (701). The two connecting plates (701) are fixedly connected to the top outer surface of the contact body (3). The bottom of the two connecting plates (701) is fixedly connected to a plug rod (702). The bottom end of the two plug rods (702) is slidably sleeved with a reset cylinder (703). The bottom end of the two reset cylinders (703) is fixedly connected to the inner bottom wall of the pen shell (1). A compression spring (704) is fixedly connected between each plug rod (702) and its adjacent reset cylinder (703).

4. A reading pen with contact protection function according to claim 1, characterized in that: The outer surfaces of both buttons (5) are provided with anti-slip grooves (501).

5. A reading pen with contact protection function according to claim 1, characterized in that: Each of the sponge blocks (8) has an arc-shaped surface on the side near the contact body (3) that is adapted to the bottom of the contact body (3).

6. A reading pen with contact protection function according to claim 1, characterized in that: The pen shell (1) and the storage tube (2) are integrally formed from engineering plastic material.

7. A reading pen with contact protection function according to claim 1, characterized in that: A sealing piston (301) is fixedly connected to the outer surface of the contact body (3), and the sealing piston (301) is slidably inserted into the receiving tube (2).