Pen
By designing a removable and connected refill can and a pen on the body, the problem of easy staining when refills is replaced is solved, and the effect of not directly contacting the refills is achieved.
Patent Information
- Application Number
- CN202421366604.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-06-14
AI Technical Summary
When using a traditional pen, when the refill is used up, the user needs to actively change the refill, resulting in the hands or other parts being easily dirty by the refill.
A pen including a refill can and a removable connected body is designed. The refill can is provided with a receiving cavity and an outlet. One end of the body is provided with a pen tip hole, and the receiving cavity, the outlet and the pen tip hole are sequentially connected, allowing the refill to move from the receiving cavity to the pen tip hole through the pen tip hole.
Users only need to replace the refill cans equipped with refills to avoid direct contact with refills and reduce the risk of hand or other parts being dirty by refills.
Smart Images
Figure CN222554616U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a pen. Background Art
[0002] A pen is a basic writing tool. A pen usually comprises a refill and a shell. When writing, the tip of the refill passes through the nib hole of the shell and is exposed outside.
[0003] When a conventional pen is used, the user needs to actively replace the refill after the refill is used up, which inevitably causes the user to touch the refill, which can easily cause the user's hands or other parts of the refill to get dirty. Utility Model Content
[0004] Based on this, it is necessary to provide a pen that can solve the above problems.
[0005] A pen comprises a refill tank and a body detachably connected to the refill tank, wherein a receiving cavity for receiving the refill is provided in the refill tank, an outlet is provided at one end of the refill tank, and a pen tip hole is provided at one end of the body, wherein the receiving cavity, the outlet and the pen tip hole are connected in sequence, so that the refill can be moved from the receiving cavity to pass through the pen tip hole.
[0006] In one embodiment, a receiving groove for receiving the refill tank is provided at the other end of the body, an inlet is provided at the bottom of the receiving groove, and the receiving cavity, the outlet, the inlet and the pen tip hole are connected in sequence.
[0007] In one embodiment, the size of the outlet matches the size of one of the cartridges.
[0008] In one embodiment, the cross-sectional area of the accommodating cavity in the end region of one end of the refill tank gradually decreases toward the outlet.
[0009] In one embodiment, the accommodating cavity in the end region of one end of the refill tank is conical, and the longitudinal section of the accommodating cavity in the end region of one end of the refill tank is an oblique line, a circular arc, an elliptical arc or a parabola.
[0010] In one embodiment, the refill is a pencil refill.
[0011] In one embodiment, the main body includes a shell and a core-pressing structure disposed in the shell, wherein the core-pressing structure is located between the inlet and the pen tip hole, and one end of the pen core tank is detachably connected to the core-pressing structure.
[0012] In one embodiment, the pressing and ejecting core structure comprises a pressing member, an elastic member and a driving member, wherein the elastic member is elastically connected to the pressing member and the driving member respectively, and one end of the core tank is detachably connected to the pressing member.
[0013] In one embodiment, when the refill tank is accommodated in the accommodating groove, the other end of the refill tank is exposed outside.
[0014] In one embodiment, the outer wall of the pressing piece is provided with a positioning guide structure, and the inner wall of the outer shell is provided with a positioning guide matching structure. The positioning guide structure cooperates with the positioning guide matching structure to guide the up and down movement of the pressing piece and block the rotation of the pressing piece.
[0015] When the pen of the utility model is in use, after the pen core is used up, it is only necessary to replace the pen core tank containing the pen core, thereby preventing the user from directly contacting the pen core and preventing the user's hands or other parts from being soiled by the pen core. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The figure is a schematic diagram of the three-dimensional structure of a pen in one direction according to one embodiment.
[0017] Figure 2 For Figure 1 A schematic diagram of the exploded structure of the refill tank and body of the pen shown.
[0018] Figure 3 For Figure 1 Schematic diagram of the exploded structure of the pen in one direction.
[0019] Figure 4 For Figure 1 Schematic diagram of the exploded structure of the pen shown in another direction. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical solution and advantages of the present utility model clearer, the implementation mode of the present utility model will be further described below in conjunction with the accompanying drawings.
[0021] Combination Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model discloses a pen of one embodiment, including a refill tank 10 and a body 20 detachably connected to the refill tank 10, wherein the refill tank 10 is provided with a receiving cavity for receiving a refill 12, one end of the refill tank 10 is provided with an outlet 101, and one end of the body 20 is provided with a nib hole 201, and the receiving cavity, the outlet 101 and the nib hole 201 are connected in sequence, so that the refill 12 can move from the receiving cavity to the nib hole 201.
[0022] When the pen of the utility model is in use, after the refill 12 is used up, only the refill tank 10 containing the refill 12 needs to be replaced, thereby preventing the user from directly contacting the refill 12 and preventing the user's hands or other parts from being soiled by the refill 12.
[0023] Generally speaking, the accommodating cavity of the refill tank 10 can accommodate a plurality of refills 12 , thereby avoiding frequent replacement of the refill tank 10 .
[0024] Preferably, in this embodiment, a receiving groove 202 for receiving the refill tank 10 is provided at the other end of the body 20, an inlet 203 is provided at the bottom of the receiving groove 202, and the receiving cavity, the outlet 101, the inlet 203 and the pen tip hole 201 are connected in sequence.
[0025] At this time, the pen core 12 can move from the accommodating chamber to pass through the outlet 101 and the inlet 203 in sequence, and finally pass through the pen tip hole 201 .
[0026] Preferably, in this embodiment, the size of the outlet 101 matches the size of a pen core 12. That is, the outlet 101 can accommodate a pen core 12 to pass through, and two (or more) pen cores 12 cannot pass through the outlet 101 at the same time.
[0027] Preferably, in this embodiment, the cross-sectional area of the accommodating cavity in the end region of one end of the refill tank 10 gradually decreases toward the direction approaching the outlet 101 .
[0028] Such an arrangement can form a guide for the pen core 12 .
[0029] Specifically, in this embodiment, the accommodating cavity at the end region of one end of the refill tank 10 is conical, and the longitudinal section of the accommodating cavity at the end region of one end of the refill tank 10 is an oblique line, a circular arc, an elliptical arc or a parabola.
[0030] Preferably, in this embodiment, the pen core 12 is a pencil core.
[0031] More preferably, in this embodiment, the main body 20 includes a shell 22 and a core pressing structure 24 arranged in the shell 22, the core pressing structure 24 is located between the inlet 203 and the pen tip hole 201, and one end of the pen core tank 10 is detachably connected to the core pressing structure 24.
[0032] At this time, the core pressing and ejecting structure 24 can be realized by pressing the core tank 10 , so that the core 12 enters the core pressing and ejecting structure 24 .
[0033] With reference to the accompanying drawings, in this embodiment, the structure and principle of the lead pressing and ejecting structure 24 are consistent with the lead pressing and ejecting structure of a conventional mechanical pencil.
[0034] Specifically, in this embodiment, the core pressing structure 24 includes a pressing member 242, an elastic member 244 and a driving member 246, the elastic member 244 is elastically connected to the pressing member 242 and the driving member 246 respectively, and one end of the core tank 10 is detachably connected to the pressing member 242.
[0035] That is, the pressing member 242 is pressed by pressing the refill tank 10 , and then the driving member 246 is driven to move by the elastic member 244 .
[0036] With reference to the accompanying drawings, in this embodiment, the elastic member 244 is a spring sleeved on the driving member 246 .
[0037] Specifically, in this embodiment, one end of the refill tank 10 is threadedly connected or snap-fitted to the pressing member 242 .
[0038] Preferably, in this embodiment, when the refill tank 10 is accommodated in the accommodation groove 202 , the other end of the refill tank 10 is exposed outside.
[0039] Such a structural arrangement can facilitate the user to press the refill tank 10 .
[0040] Preferably, in this embodiment, a positioning guide structure 243 is provided on the outer wall of the pressing piece 242, and a positioning guide matching structure 222 is provided in the outer shell 22. The positioning guide structure 243 and the positioning guide matching structure 222 cooperate to guide the up and down movement of the pressing piece 242 and block the rotation of the pressing piece 242.
[0041] Specifically, in this embodiment, the positioning guide structure 243 is a long strip-shaped protrusion extending along the axial direction of the pen, and the positioning guide matching structure 222 is a groove matching therewith.
[0042] With reference to the drawings, in this embodiment, a guide member 224 sleeved on the outside of the pressing member 242 is provided in the housing 22 , and the positioning guide matching structure 222 is provided on the inner side wall of the guide member 224 .
[0043] In other embodiments, the guide member 224 may not be provided, and the positioning guide matching structure 222 may be directly provided on the inner wall of the housing 22 .
[0044] The above-mentioned embodiments only express several embodiments of the present utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the present utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present utility model, which all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be based on the attached claims.
Claims
1. A pen, characterized in that: The invention comprises a refill tank and a body detachably connected to the refill tank, wherein a receiving cavity for receiving the refill is provided in the refill tank, an outlet is provided at one end of the refill tank, and a pen tip hole is provided at one end of the body, and the receiving cavity, the outlet and the pen tip hole are connected in sequence, so that the refill can be moved from the receiving cavity to pass through the pen tip hole.
2. The pen according to claim 1, characterized in that: The other end of the body is provided with a receiving groove for receiving the refill tank, the bottom of the receiving groove is provided with an inlet, and the receiving cavity, the outlet, the inlet and the pen tip hole are connected in sequence.
3. The pen according to claim 2, characterized in that: The size of the outlet matches the size of one of the pen cores.
4. The pen according to claim 3, characterized in that: The cross-sectional area of the accommodating cavity in the end region of one end of the refill tank gradually decreases toward the direction approaching the outlet.
5. The pen according to claim 4, characterized in that: The accommodating cavity in the end region of one end of the refill tank is conical, and the longitudinal section of the accommodating cavity in the end region of one end of the refill tank is an oblique line, a circular arc, an elliptical arc or a parabola.
6. The pen according to claim 4, characterized in that: The pen core is a pencil core.
7. The pen according to any one of claims 2 to 6, characterized in that: The body comprises a shell and a core pressing and ejecting structure arranged in the shell, wherein the core pressing and ejecting structure is located between the inlet and the pen tip hole, and one end of the pen core tank is detachably connected to the core pressing and ejecting structure.
8. The pen according to claim 7, characterized in that The pressing and ejecting core structure comprises a pressing member, an elastic member and a driving member, wherein the elastic member is elastically connected to the pressing member and the driving member respectively, and one end of the core tank is detachably connected to the pressing member.
9. The pen according to claim 8, characterized in that When the core tank is accommodated in the accommodation groove, the other end of the core tank is exposed outside.
10. The pen according to claim 9, characterized in that The outer wall of the pressing piece is provided with a positioning guide structure, and the inner wall of the shell is provided with a positioning guide matching structure. The positioning guide structure cooperates with the positioning guide matching structure to guide the up and down movement of the pressing piece and block the rotation of the pressing piece.