CN212499614U - Telescopic pen - Google Patents

Abstract

The utility model belongs to the technical field of writing tools, a flexible pen is disclosed, include: the pen point is provided with a cavity with a first through hole; the writing end of the refill penetrates through the pen point through the first through hole, a stress step is arranged at the writing end of the refill, a spring is sleeved on the outer edge of the writing end of the refill and in interference fit with the outer edge, one end of the spring abuts against the inner wall of the cavity of the pen point, and the other end of the spring acts on the stress step; the pen body assembly comprises an outer barrel, a locking groove is formed in the surface of the outer barrel, a locking buckle outer barrel is movably connected in the locking groove, the locking buckle bears the acting force from the pen core, and the outer barrel is detachably connected with the pen point and accommodates the pen core in the outer barrel; the pen cap assembly is connected to one end, far away from the pen point, of the pen body assembly. The telescopic pen capable of effectively preventing the spring from falling is provided by adopting an interference fit method between the spring and the pen core.

Description

Telescopic pen

Technical Field

The utility model belongs to the technical field of writing tools, a flexible pen is related to.

Background

Common telescopic pen structure all has a defect, and in the dismantlement in-process of trading the refill, the spring is a free spare part, does not fix, and the user leads to the spring to drop very easily at the in-process of accomplishing the refill of trading, leads to whole pen to become a waste product because can't find the spring, has increased user's cost. Although some technologies adopt a method of fixedly connecting the spring or the elastic member directly and unremovably inside the retractable pen in order to solve the problem that the spring is easy to fall off, the elastic member is not easy to replace when the elastic member fails. Writing under dark or the light condition is very difficult, and the volume of desk lamp and flashlight commonly used is too big, also is not favorable to carrying, need all can easily realize the flexible pen of writing at any moment.

Disclosure of Invention

An object of the utility model is to prior art not enough, provide a very effectively prevent flexible pen that spring dropped, in order to realize above-mentioned purpose, the utility model discloses a following technical scheme:

a retractable pen, comprising:

the pen point is provided with a cavity with a first through hole;

the writing end of the refill penetrates through the pen point through the first through hole, a stress step is arranged at the writing end of the refill, a spring is sleeved on the outer edge of the writing end of the refill and in interference fit with the outer edge, one end of the spring abuts against the inner wall of the cavity of the pen point, and the other end of the spring acts on the stress step;

the pen body assembly comprises an outer barrel, a locking groove is formed in the surface of the outer barrel, a locking buckle outer barrel is movably connected in the locking groove, the locking buckle bears the acting force from the pen core, and the outer barrel is detachably connected with the pen point and accommodates the pen core in the outer barrel;

the pen cap assembly is connected to one end, far away from the pen point, of the pen body assembly.

Furthermore, the lock groove is L-shaped, and when the lock catch moves to two limit positions of the lock groove, the pen core is exposed and retracted into the cavity of the pen point respectively.

Furthermore, a locking block is sleeved in the outer barrel, the lock catch is fixedly connected with the locking block, and the locking block can freely move in the outer barrel and abuts against the pen core.

Furthermore, a refill sleeve is arranged at one end, close to the locking block, of the refill, the open end of the refill sleeve is sleeved on the refill, and one end, far away from the refill, of the refill sleeve abuts against the locking block.

Further, cap for brush subassembly includes cap for brush shell, LED lamp, switch, PCB board, battery pack and the joint that charges, the PCB board electricity respectively is connected switch, PCB board, LED lamp and battery pack, PCB board, battery are located in cap for brush shell's the inside cavity, cap for brush shell can dismantle the connection the urceolus.

Further, the pen cap shell is fixedly connected with a pen clip, and the extending direction of the pen clip is parallel to the pen body assembly.

Furthermore, the charging connector is located on the pen cap shell and faces one end of the outer barrel, and after the outer barrel is connected with the pen cap shell, the charging connector is hidden on the inner side of the connection position of the outer barrel and the pen cap shell.

Further, the LED lamp is arranged close to the outer edge surface of the pen cap shell.

Further, the switch is a push switch, and the switch is arranged at one end, far away from the pen body assembly, of the pen cap shell.

The utility model has the advantages that:

the utility model discloses a telescopic pen, include: the pen point is provided with a cavity with a first through hole; the writing end of the refill penetrates through the pen point through the first through hole, a stress step is arranged at the writing end of the refill, a spring is sleeved on the outer edge of the writing end of the refill and in interference fit with the outer edge, one end of the spring abuts against the inner wall of the cavity of the pen point, and the other end of the spring acts on the stress step; the pen body assembly comprises an outer barrel, a locking groove is formed in the surface of the outer barrel, a locking buckle outer barrel is movably connected in the locking groove, the locking buckle bears the acting force from the pen core, and the outer barrel is detachably connected with the pen point and accommodates the pen core in the outer barrel; the pen cap assembly is connected to one end, far away from the pen point, of the pen body assembly. The telescopic pen capable of effectively preventing the spring from falling is provided by adopting an interference fit method between the spring and the pen core.

Drawings

FIG. 1 is a schematic diagram of an exploded structure of a retractable pen;

FIG. 2 is another schematic diagram of an exploded structure of the retractable pen;

FIG. 3 is a schematic side view of the retractable pen;

FIG. 4 is a schematic top view (with a partial cross-section) of the retractable pen;

fig. 5 is a schematic sectional view along a-a in fig. 4.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 5, a retractable pen includes: the pen point 1 is provided with a cavity with a first through hole; the writing end of the refill 3 penetrates through the pen point 1 through the first through hole, a stress step is arranged at the writing end of the refill 3, the spring 2 is sleeved at the outer edge of the writing end of the refill 3 and is in interference fit with the outer edge, one end of the spring 2 abuts against the inner wall of the cavity of the pen point 1, and the other end of the spring acts on the stress step;

the pen body component 4 comprises an outer barrel 403, a lock groove is formed in the surface of the outer barrel 403, the outer barrel 403 of a lock catch 401 is movably connected in the lock groove, the lock catch 401 bears the acting force from the pen core 3, and the outer barrel 403 is detachably connected with the pen point 1 and accommodates the pen core 3 in the outer barrel 403;

and the pen cap component 5 is connected to one end, far away from the pen point 1, of the pen body component 4.

In some embodiments, the pen tip and the outer barrel 403 may be screwed, and a gasket 402 is further disposed at the screwed position.

In other embodiments, the pen point and the outer barrel 403 can be detachably connected by clamping or the like.

Referring to fig. 1 and 2, in an embodiment, the locking groove is L-shaped, and when the lock catch 401 moves to two extreme positions of the locking groove, the pen core 3 is exposed and retracted into the cavity of the pen point 1, respectively. When the pen is used, the refill 3 is pushed by the spring 2, the refill 3 transmits force to the lock catch 401, and the movement of the lock catch 401 is limited by the L-shaped lock groove, so that the lock catch 401 can be well locked and unlocked.

Referring to fig. 2 to 5, in an embodiment, a locking block 405 is sleeved in the outer cylinder 403, the lock 401 is fixedly connected to the locking block 405, and the locking block 405 is freely movable in the outer cylinder 403 and abuts against the pen core 3. The use of the locking piece 401 is advantageous in that it provides a better point of force for the cartridge 3, so that the force acting on the locking piece 405 is transmitted to the catch 401.

Referring to fig. 2 and 5, in the embodiment, a pen core sleeve 404 is arranged at one end of the pen core 3 close to the locking block 405, an open end of the pen core sleeve 404 is sleeved on the pen core 3, and one end of the pen core sleeve 404 far away from the pen core 3 is abutted against the locking block 405. The use of the cartridge case 404 has the effect that the top of the cartridge 404 can be closed and positioned, and ink inside the cartridge 3 can be prevented from leaking from the top thereof in an accidental situation.

Referring to fig. 1 to 5, in an embodiment, the cap assembly 5 includes a cap housing 503, an LED lamp, a switch 502, a PCB board, a battery assembly and a charging connector 504, the PCB board is electrically connected to the switch 502, the PCB board, the LED lamp and the battery assembly respectively, the PCB board and the battery are disposed in an internal cavity of the cap housing 503, and the cap housing 503 is detachably connected to the outer barrel 403. The LED lamp arranged on the telescopic pen is mainly convenient for people to write in dark or under the environment of insufficient light,

in an embodiment, the cap housing 503 is fixedly connected to the pen clip 501, and the extension direction of the pen clip 501 is parallel to the pen body assembly 4.

In some embodiments, the pen clip 501 is made of a resilient material.

Referring to fig. 2, in an embodiment, the charging connector 504 is located at one end of the cap housing 503 facing the outer barrel 403, and after the outer barrel 403 is connected to the cap housing 503, the charging connector 504 is hidden inside the connection position of the outer barrel 403 and the cap housing 503. If the charging connector 504 is freely arranged on the outer surface of the cap housing 503, and the retractable pen needs to be frequently and directly contacted by the user's hand, it is easy to cause contamination to the charging connector 504 located thereon, for example, oil stain and sweat on the skin can cause adverse effects to the charging connector 504, therefore, the applicant creatively arranges the charging connector 504 on the cap assembly 5 towards one end of the pen body assembly 4, and the cap assembly 5 and the pen body assembly 4 are connected with each other, and the charging connector 504 is perfectly hidden inside the retractable pen.

In an embodiment, the LED light is disposed near the outer peripheral surface of the cap housing 503.

In the embodiment shown in fig. 3, the switch 502 is a push-type switch, and the switch 502 is disposed at an end of the cap housing 503 away from the body assembly 4. According to the habit of people when writing, the user can touch the top of the telescopic pen, namely the top of the pen cap shell 503, with the thumb very conveniently, so that the switch 502 is arranged at the top, which is convenient for the user to open or close.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A retractable pen, comprising:

the pen point (1) is provided with a cavity with a first through hole;

the writing end of the pen core (3) penetrates through the pen point (1) through the first through hole, a stress step is arranged at the writing end of the pen core (3), the spring (2) is sleeved at the outer edge of the writing end of the pen core (3) and in interference fit with the outer edge, one end of the spring (2) abuts against the inner wall of the cavity of the pen point (1), and the other end of the spring acts on the stress step;

the pen body component (4) comprises an outer barrel, a lock groove is formed in the surface of the outer barrel (403), the lock groove is movably connected with the outer barrel (403) of the lock catch (401), the lock catch (401) bears the acting force from the pen core (3), and the outer barrel (403) is detachably connected with the pen point (1) and accommodates the pen core (3) inside;

the pen cap component (5) is connected to the pen body component (4) and is far away from one end of the pen point (1).

2. The retractable pen of claim 1, wherein the lock groove is L-shaped, and the lock catch (401) moves to two limit positions of the lock groove, so that the pen core (3) is exposed and retracted into the cavity of the pen head (1) respectively.

3. The retractable pen of claim 1, wherein a locking block (405) is sleeved in the outer barrel (403), the lock catch (401) is fixedly connected with the locking block (405), and the locking block (405) can freely move in the outer barrel (403) and is abutted against the pen core (3).

4. The retractable pen as claimed in claim 3, wherein a pen core sleeve (404) is arranged at one end of the pen core (3) close to the locking block (405), the open end of the pen core sleeve (404) is sleeved on the pen core (3), and one end of the pen core sleeve (404) far away from the pen core (3) is abutted against the locking block (405).

5. The retractable pen of claim 1, wherein the pen cap assembly (5) comprises a pen cap housing (503), an LED lamp, a switch (502), a PCB board, a battery assembly and a charging connector (504), the PCB board is electrically connected with the switch (502), the PCB board, the LED lamp and the battery assembly respectively, the PCB board and the battery are arranged in an inner cavity of the pen cap housing (503), and the pen cap housing (503) is detachably connected with the outer barrel (403).

6. The retractable pen of claim 5, wherein the cap housing (503) is fixedly connected with a pen clip (501), and the extension direction of the pen clip (501) is kept parallel to the pen body assembly (4).

7. The retractable pen of claim 5, wherein the charging connector (504) is located at one end of the cap housing (503) facing the outer barrel (403), and after the outer barrel (403) is connected with the cap housing (503), the charging connector (504) is hidden inside the connection position of the outer barrel (403) and the cap housing (503).

8. The retractable pen of claim 5 wherein the LED light is disposed proximate to a peripheral surface of the cap housing (503).

9. The retractable pen of claim 5, wherein the switch (502) is a push-type switch, and the switch (502) is disposed at an end of the cap housing (503) away from the body assembly (4).

10. The retractable pen of claim 5, wherein the cap housing (503) is in threaded connection with the outer barrel (403).

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