Eggshell pen
By designing the driving components and limiting structure of the eggshell pen, the extension and retraction of the pen tip and the opening and closing of the eggshell are realized, which solves the problem of high learning pressure and mental fatigue among primary school students, and increases the pen's fun and stress-relieving effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG HANYUN IND & TRADE CO LTD
- Filing Date
- 2025-05-08
- Publication Date
- 2026-04-14
AI Technical Summary
The high academic pressure and mental fatigue caused by prolonged sitting and studying among primary school students are not effectively relieved by existing pens, which lack fun.
Design an eggshell pen that uses a drive component and a limiting structure to achieve the extension and retraction of the pen tip. Combine this with decorative parts and the opening and closing motion of the eggshell to increase fun and stress relief.
The opening and closing motion of the eggshell increases the fun of using the pen, relieves stress, and improves the learning environment for students.
Smart Images
Figure CN224117013U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of stationery technology, specifically relating to an eggshell pen. Background Technology
[0002] Elementary school students spend long periods of time sitting still to study and do homework. Excessive mental exertion can lead to high academic pressure and mental fatigue, which is detrimental to their lives and studies in the long run. Therefore, it is very important to have a pen that is more fun to use. Utility Model Content
[0003] To solve at least one of the above-mentioned technical problems, this utility model provides an eggshell pen, including a pen tube, a pen refill at least partially disposed within the pen tube, and a drive assembly for driving the pen refill axially. The pen tube has a channel, with a first outlet and a second outlet at each end for the pen refill to enter and exit. The drive assembly includes a first connecting portion disposed within the channel for driving the pen refill, and also includes a decorative piece. The decorative piece is connected to the drive assembly through the second outlet, so that when the drive assembly moves axially, the decorative piece moves axially along with it. The decorative piece and the drive assembly can be linked.
[0004] A lower eggshell is mounted on the pen tube, and the decorative piece is an upper eggshell. The upper eggshell moves axially to close or open with the lower eggshell. A chick is mounted on the lower eggshell, which accommodates the chick when the upper eggshell moves axially downward. The lower eggshell is inserted and fixed to the pen tube.
[0005] Through the above technical solution, this utility model can realize the opening or closing of the eggshell when the pen refill extends or retracts, increasing the fun of use.
[0006] The pen tube has a through groove on its side wall, and the drive assembly also includes a second connecting part located outside the pen tube and a third connecting part connecting the first connecting part and the second connecting part. The third connecting part is at least partially located in the through groove and can move axially within the through groove.
[0007] It also includes limiting structures, including:
[0008] The first limiting member, as for the channel, has at least one first limiting block on it, and the inner wall of the channel is provided with a first mating block that cooperates with the first limiting block. Several annularly arranged wedge blocks are provided on the bottom of the first limiting member.
[0009] Regarding the channel, the second limiting member has a second guide bar spaced apart on its outer wall, and the top of the second guide bar has a second inclined surface that cooperates with the wedge block.
[0010] The first guide groove has several spaced first guide strips on the inner wall of the channel, and a second guide groove is formed between two first guide strips. The first limiting block moves axially in the second guide groove. The first guide groove is opened on the first guide strip, and the second guide strip is at least partially placed in the second guide groove. The bottom of the first guide strip has a first inclined surface and a third inclined surface that cooperate with the second inclined surface to realize the retraction and extension limitation of the pen refill.
[0011] The first connecting part and the first limiting member are inserted and fixed. The decorative part and the first connecting part are inserted and fixed. A first limiting surface is provided at the outlet, a second limiting surface is provided on the pen refill, and a second spring is provided between the first limiting surface and the second limiting surface. A third limiting surface is provided on the inner wall of the channel, and a first spring is provided between the third limiting surface and the first connecting part.
[0012] Through the above technical solution, the limiting structure forms the existing structure for rotating adjustment to achieve the existing pen tip extension and retraction, so as to protect the pen tip when not in use, increase the fun of use, and also play a role in relieving pressure.
[0013] Compared with the prior art, the advantages of this utility model are: the utility model has a simple structure and can realize the raising or lowering of the eggshell, that is, the opening or closing of the eggshell, which increases the fun and can relieve pressure. Attached Figure Description
[0014] Figure 1 This is a perspective view of the present utility model;
[0015] Figure 2 This is a partial perspective view of the hidden drive component of this utility model;
[0016] Figure 3 This is a perspective view of the hidden part of the pen tube in this utility model;
[0017] Figure 4 This is a perspective view of the drive component of this utility model;
[0018] Figure 5 This is a three-dimensional cross-sectional view of the present invention;
[0019] Figure 6 This is a three-dimensional cross-sectional view of the pen tube of this utility model;
[0020] Figure label:
[0021] 1. Pen tube; 101. Channel; 102. First outlet; 103. Second outlet; 104. Eggshell hatching; 105. Chick; 106. Through slot; 107. Slide.
[0022] 2 pen refills;
[0023] 3. Drive components; 301. First connecting part; 302. Second connecting part; 303. Third connecting part;
[0024] 4 decorative items;
[0025] 5. First limiting component; 501. First limiting block; 502. First mating block; 503. Wedge block;
[0026] 6. Second limiting component; 601. Second guide bar; 602. Second inclined surface;
[0027] 701 First guide groove; 702 First guide bar; 703 Second guide groove; 704 First inclined surface; 705 Third inclined surface;
[0028] 801 Second spring; 802 First limiting surface; 803 Second limiting surface;
[0029] 901 First spring; 902 Third limiting surface. Detailed Implementation
[0030] To enable those skilled in the art to better understand this utility model and to more clearly define the scope of protection claimed by this utility model, the present utility model is described in detail below with reference to certain specific embodiments. It should be noted that the following are only some specific embodiments of the present utility model concept, and are only a part of the embodiments of this utility model. The specific and direct description of related structures is only for the convenience of understanding this utility model, and the specific features do not necessarily or directly limit the scope of implementation of this utility model.
[0031] Referring to the accompanying drawings, this utility model adopts the following technical solution: This utility model provides an eggshell pen, including a pen tube 1, a pen core 2 at least partially disposed within the pen tube 1, and a drive assembly 3 for driving the pen core 2 to move axially. The pen tube 1 has a channel 101, with a first outlet 102 and a second outlet 103 at each end for the pen core 2 to enter and exit. The drive assembly 3 includes a first connecting portion 301 disposed within the channel 101 for driving the pen core 2, and also includes a decorative piece 4. The decorative piece 4 is connected to the drive assembly 3 through the second outlet 103, so that when the drive assembly 3 moves axially, the decorative piece 4 moves axially accordingly. The decorative piece 4 and the drive assembly 3 can be linked.
[0032] A lower eggshell 104 is mounted on the pen tube 1, and the decorative piece 4 is the upper eggshell. The upper eggshell can move axially to close or open with the lower eggshell 104. A chick 105 is mounted on the lower eggshell 104, and the chick 105 is accommodated when the upper eggshell moves axially downward. The lower eggshell 104 is inserted and fixed to the pen tube 1.
[0033] Through the above technical solution, this utility model can open or close the eggshell when the pen refill 2 extends or retracts, increasing the fun of use.
[0034] The pen tube 1 has a slot 106 on its side wall. The drive assembly 3 includes a second connecting part 302 located outside the pen tube 1 and a third connecting part 303 connecting the first connecting part 301 and the second connecting part 302. The third connecting part 303 is at least partially located in the slot 106 and can move axially within the slot 106. The lower eggshell can be fixed at the second opening of the pen tube. A perforation is made in the middle of the chick, and the upper eggshell passes through the perforation and is inserted into the first connecting part for fixation.
[0035] It also includes limiting structures, including:
[0036] The first limiting member 5, as for the channel 101, has at least one first limiting block 501, and the inner wall of the channel 101 is provided with a first mating block 502 that cooperates with the first limiting block 501. The bottom of the first limiting member 5 has a plurality of annularly arranged wedge blocks 503.
[0037] The second limiting member 6, as for the channel 101, has a second guide bar 601 spaced on its outer wall, and the top of the second guide bar 601 has a second inclined surface 602 that cooperates with the wedge block 503.
[0038] The first guide groove 701 has a plurality of spaced first guide strips 702 on the inner wall of the channel 101. A second guide groove 703 is formed between two first guide strips 702. The first limiting block 501 moves axially within the second guide groove 703 and the first guide groove 701. The first guide groove 701 is opened on the first guide strip 702. The second guide strip 601 is at least partially placed in the second guide groove 703. The bottom of the first guide strip 702 has a first inclined surface 704 and a third inclined surface 705 that cooperate with the second inclined surface 602 to realize the retraction and extension limitation of the pen refill 2.
[0039] The first connecting part 301 and the first limiting member 5 are inserted and fixed. The decorative member 4 is inserted and fixed to the first connecting part 301. A first limiting surface 802 is provided at the outlet, and a second limiting surface 803 is provided on the pen refill 2. A second spring 801 is provided between the first limiting surface 802 and the second limiting surface 803. A third limiting surface 902 is provided on the inner wall of the channel 101, and a first spring 901 is provided between the third limiting surface 902 and the first connecting part 301.
[0040] Through the above technical solution, the limiting structure forms the existing rotation adjustment structure to realize the extension and retraction of the existing pen tip 2, so as to protect the pen tip when not in use, increase the fun of use, and also play a role in decompression.
[0041] A groove 107 is provided on the outer wall of the pen tube 1, and the first part moves within the range of the groove 107.
[0042] The pen refill 2 can be fixed to the second limiting member 6, or the upper surface of the pen refill 2 can abut against the lower surface of the second limiting member 6.
[0043] Compared with the prior art, the advantages of this utility model are: the utility model has a simple structure and can realize the raising or lowering of the eggshell, that is, the opening or closing of the eggshell, which increases the fun and can relieve pressure.
[0044] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.
Claims
1. An eggshell pen, comprising a pen tube (1), a pen core (2) at least partially disposed within the pen tube (1), and a drive assembly (3) for axially moving the pen core (2), characterized in that: The pen tube (1) has a channel (101) with a first outlet (102) and a second outlet (103) at both ends for the pen refill (2) to enter and exit. The drive assembly (3) includes a first connecting part (301) for driving the pen refill (2) located in the channel (101) and a decorative part (4). The decorative part (4) is connected to the drive assembly (3) through the second outlet (103) so that when the drive assembly (3) moves axially, the decorative part (4) moves axially.
2. The eggshell pen according to claim 1, characterized in that: The pen tube (1) is equipped with a lower eggshell (104), and the decorative piece (4) is an upper eggshell. The upper eggshell can be moved axially to achieve closing or opening with the lower eggshell (104).
3. The eggshell pen according to claim 2, characterized in that: A chick (105) is mounted on the lower eggshell (104), and the chick (105) is accommodated when the upper eggshell moves axially downward.
4. The eggshell pen according to claim 3, characterized in that: The lower eggshell (104) is inserted into the pen tube (1).
5. The eggshell pen according to claim 1, characterized in that: The pen tube (1) has a through groove (106) on its side wall. The drive assembly (3) also includes a second connecting part (302) located outside the pen tube (1) and a third connecting part (303) connecting the first connecting part (301) and the second connecting part (302). The third connecting part (303) is at least partially located in the through groove (106) and can move axially within the through groove (106).
6. The eggshell pen according to claim 1, characterized in that: It also includes limiting structures, including: The first limiting member (5) is provided on the channel (101), at least one first limiting block (501) is provided on the first limiting member (5), and a first mating block (502) that mates with the first limiting block (501) is provided on the inner wall of the channel (101). Several annularly arranged wedge blocks (503) are provided on the bottom of the first limiting member (5). The second limiting member (6) is provided with a second guide bar (601) at intervals on the outer wall of the channel (101). The top of the second guide bar (601) is provided with a second inclined surface (602) that cooperates with the wedge block (503). The first guide groove (701) has a plurality of spaced first guide strips (702) on the inner wall of the channel (101), and a second guide groove (703) is formed between two first guide strips (702). The first limiting block (501) moves axially in the second guide groove (703). The first guide groove (701) is opened on the first guide strip (702), and the second guide strip (601) is at least partially placed in the second guide groove (703). The bottom of the first guide strip (702) is provided with a first inclined surface (704) and a third inclined surface (705) that cooperate with the second inclined surface (602) to realize the retraction and extension limitation of the pen refill (2).
7. The eggshell pen according to claim 6, characterized in that: The first connecting part (301) and the first limiting member (5) are inserted and fixed.
8. The eggshell pen according to claim 6, characterized in that: The decorative piece (4) and the first connecting part (301) are inserted and fixed together.
9. The eggshell pen according to claim 6, characterized in that: The outlet is provided with a first limiting surface (802), the pen refill (2) is provided with a second limiting surface (803), and a second spring (801) is provided between the first limiting surface (802) and the second limiting surface (803).
10. The eggshell pen according to claim 6, characterized in that: A third limiting surface (902) is provided on the inner wall of the channel (101), and a first spring (901) is provided between the third limiting surface (902) and the first connecting part (301).