阅读说明：本技术 一种改进型笔 (Improved pen ) 是由 任贺 于 2021-11-03 设计创作，主要内容包括：本发明提出一种改进型笔,包括笔主体；包括笔主体；所述笔主体包括笔芯；所述笔芯包括容置液体的液管、与液管相连接的笔尖、以及连接于液管与笔尖之间的导管；所述导管与笔尖可拆装连接在一起；所述液管包括与导管密封连接的第一端部和与第一端部相对应的第二端部。在实际实施过程中,由于笔尖与导管可拆装连接在一起,使得使用者可根据不通过的使用情景对笔尖进行更换,以使改进型笔可适用于各个应用场景。(The invention provides an improved pen, which comprises a pen main body; comprises a pen main body; the pen body comprises a pen core; the pen core comprises a liquid pipe for accommodating liquid, a pen point connected with the liquid pipe and a guide pipe connected between the liquid pipe and the pen point; the guide pipe is detachably connected with the pen point; the liquid tube includes a first end portion sealingly connected to the conduit and a second end portion corresponding to the first end portion. In the practical implementation process, the pen point and the guide pipe are detachably connected together, so that a user can replace the pen point according to the use situation without passing through, and the improved pen is suitable for various application scenes.)

1. An improved pen is characterized in that: comprises a pen main body; the pen body comprises a pen core; the pen core comprises a liquid pipe for accommodating liquid, a pen point connected with the liquid pipe and a guide pipe connected between the liquid pipe and the pen point; the guide pipe is detachably connected with the pen point; the liquid tube includes a first end portion sealingly connected to the conduit and a second end portion corresponding to the first end portion.

2. An improved pen as claimed in claim 1, wherein: the second end has an air hole; the pen main body also comprises a pen holder sleeved outside the pen core; the penholder is provided with a first movable plug for movably sealing the air hole.

3. An improved pen as claimed in claim 2, wherein: the first movable plug comprises a movable knob or a movable button.

4. An improved pen as claimed in claim 3, wherein: the pen point and the guide pipe are connected together through threads.

5. An improved pen as claimed in claim 4, wherein: the nib has a grip portion.

6. An improved pen as claimed in claim 1, wherein: the liquid pipe and the guide pipe are detachably connected together.

7. An improved pen as claimed in claim 6, wherein: the tube further includes a tube body between the first end and the second end; the liquid pipe main body comprises a liquid pipe inner hole for accommodating liquid; the first end part comprises a second movable plug for movably sealing the inner hole of the liquid pipe; the second movable plug comprises an elastic sealing element and a sleeve body sleeved outside the elastic sealing element; the resilient seal includes a movable inner bore through which the catheter can pass.

8. An improved pen as claimed in claim 7, wherein: the sleeve body comprises a clamping end wall for limiting the elastic sealing element and an expanded hole wall positioned on the clamping end wall; the hole expanding wall is provided with a positioning hole for the conduit to pass through; the positioning hole is connected with the movable inner hole.

9. An improved pen as claimed in claim 8, wherein: the reamer wall gradually shrinks inwards from the root to the end.

10. An improved pen as claimed in claim 9, wherein: the sleeve body is connected with the first end part through threads.

Technical Field

The invention relates to the technical field of daily supplies, in particular to an improved pen.

Background

The pen is a common writing tool in daily life, however, with the change and development of the times, the pen is endowed with a plurality of new functions and more types, such as sign pens, water-based pens, marking pens, glue pens and the like, and people can select different pens according to different requirements; however, in actual use, the nib of a pen determines the applicability of the pen, the nib is thin (such as a sign pen) suitable for signature writing, and the nib is thick (such as a marking pen) suitable for smearing; often, multiple types of pens are matched with each other in one actual operation process; however, in the actual operation process, the pen is often damaged, and it is difficult for a user to prepare a spare pen for each kind of pen; therefore, a pen which can be adjusted during the use process only according to the actual use condition is necessary.

Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.

Disclosure of Invention

The invention aims to provide an improved pen; to solve the problems of the background art.

In order to achieve the purpose, the invention adopts the following technical scheme:

an improved pen comprises a pen main body; the pen body comprises a pen core; the pen core comprises a liquid pipe for accommodating liquid, a pen point connected with the liquid pipe and a guide pipe connected between the liquid pipe and the pen point; the guide pipe is detachably connected with the pen point; the liquid tube includes a first end portion sealingly connected to the conduit and a second end portion corresponding to the first end portion.

The second end has an air hole; the pen main body also comprises a pen holder sleeved outside the pen core; the penholder is provided with a first movable plug for movably sealing the air hole.

The first movable plug comprises a movable knob or a movable button.

The pen point and the guide pipe are connected together through threads.

The nib has a grip portion.

The liquid pipe and the guide pipe are detachably connected together.

The tube further includes a tube body between the first end and the second end; the liquid pipe main body comprises a liquid pipe inner hole for accommodating liquid; the first end part comprises a second movable plug for movably sealing the inner hole of the liquid pipe; the second movable plug comprises an elastic sealing element and a sleeve body sleeved outside the elastic sealing element; the resilient seal includes a movable inner bore through which the catheter can pass.

The sleeve body comprises a clamping end wall for limiting the elastic sealing element and an expanded hole wall positioned on the clamping end wall; the hole expanding wall is provided with a positioning hole for the conduit to pass through; the positioning hole is connected with the movable inner hole.

The reamer wall gradually shrinks inwards from the root to the end.

The sleeve body is connected with the first end part through threads.

The inner hole of the liquid pipe is provided with a necking section connected with the movable inner hole; the neck reduction section is matched with the catheter.

The inner hole of the liquid pipe also comprises an accommodating section connected with the necking section and a transition section positioned between the accommodating section and the necking section; the transition section is gradually reduced from the accommodating section to the necking section.

The catheter comprises an extending section and a limiting step, wherein the extending section movably extends into the necking section, and the limiting step limits the extending depth.

The extending section is provided with a liquid inlet for liquid to enter the conduit; the liquid inlet is a wedge-shaped opening.

The penholder also comprises a first shell connected with the first movable plug; the first shell is provided with an accommodating cavity for accommodating the liquid pipe; the accommodating cavity is provided with an inlet end part at one end of the accommodating cavity and a limiting end part at the other end of the accommodating cavity; the inlet end part is provided with an opening for the liquid supply pipe to enter and exit the accommodating cavity; the limiting end part is provided with a limiting end wall for limiting the liquid pipe.

The penholder further comprises a second shell which is detachably connected with the first shell.

The second shell is fixedly connected with the guide pipe.

The first shell and the second shell are connected together through threads.

The pen main body further comprises a limiting retainer ring arranged at the joint of the first shell and the second shell; the limiting retainer ring is detachably connected with the pen holder.

The pen main body further comprises a pen cap detachably connected with the pen holder.

After the technical scheme is adopted, the improved pen at least has the following beneficial effects:

in the practical implementation process, the pen point and the guide pipe are detachably connected together, so that a user can replace the pen point according to the use situation without passing through, and the improved pen is suitable for various application scenes.

Drawings

FIG. 1 is a schematic view of a first perspective of an improved pen according to the present invention;

FIG. 2 is a second perspective view of the improved pen according to the present invention;

FIG. 3 is a cross-sectional view of a first embodiment of a nib for an improved pen according to the present invention;

FIG. 4 is a cross-sectional view of a second embodiment of a nib for the improved pen according to the present invention;

FIG. 5 is a cross-sectional view of a third embodiment of a nib for an improved pen according to the present invention;

FIG. 6 is a cross-sectional view of a first embodiment of a fluid tube removably connectable to a conduit in accordance with the present invention;

FIG. 7 is a cross-sectional view of a second embodiment of a fluid tube removably connectable to a conduit in accordance with the present invention;

FIG. 8 is a schematic view of a movable knob of an improved pen according to the present invention;

in the figure:

a pen core 1; a liquid pipe 11; a tip 12; a conduit 13; a first end portion 111; a second end portion 112; air holes 1121; a pen holder 2; a first movable plug 21; a tube body 113; a tube bore 1131; a stopper wall c 1; guide tube segment c 2; a second removable plug 1111; elastomeric seal a 1; the sleeve body a 2; a detent end wall a 21; counterbore wall a 22; a necked section b 1; a housing section b 2; transition section b 3; a limit step 131; an annular boss 132; a first housing 22; a second housing 23; a limiting retainer ring 3; a pen cap 4.

Detailed Description

In order to further explain the technical solution of the present invention, the following detailed description is given by way of specific examples.

As shown in fig. 1-8, an improved pen includes a pen body; comprises a pen main body; the pen main body comprises a pen core 1; the pen core 1 comprises a liquid pipe 11 for containing liquid, a pen tip 12 connected with the liquid pipe 11, and a conduit 13 connected between the liquid pipe 11 and the pen tip 12; the conduit 13 is detachably connected with the pen point 12; the liquid tube 11 includes a first end 111 to which the guide tube 13 is sealingly connected and a second end 112 corresponding to the first end 111. In practical implementation, the pen tip 12 and the conduit 13 are detachably connected together, so that a user can replace the pen tip 12 according to a use situation without passing through, and the improved pen can be suitable for various application scenes.

Preferably, the second end 112 has an air hole 1121; the pen main body also comprises a pen holder 2 sleeved outside the pen core 1; the pen holder 2 is provided with a first movable plug 21 movably closing the air hole 1121. The nib 12 is normally replaced during use, and the liquid in the liquid tube 11 flows out when the nib 12 is unloaded; in practical implementation, the improved pen can replace the pen point 12 during use through the first movable plug 21; specifically, when the pen tip 12 needs to be replaced in the using process, the air hole 1121 of the liquid tube 11 is blocked by the first movable plug 21, so that the liquid can be prevented from flowing out when the pen tip 12 needs to be replaced under the action of atmospheric pressure; after the pen point 12 is replaced, at this time, the first movable plug 21 does not block the air hole 1121 any more, and the liquid can flow out normally; the replacement of the nib 12 is facilitated and the damage of the retrofit pen is avoided.

Preferably, the first movable plug 21 comprises a movable knob or a movable button. In the actual implementation process, the air hole 1121 can be movably blocked by a movable knob in a rotating mode, and the air hole 1121 can also be movably blocked by a movable button in a pressing mode; the operation of the user is convenient, and the movable plugging efficiency can be effectively improved. Fig. 8 is a schematic structural diagram of the movable knob, wherein the movable knob is rotatably connected with the first housing.

Preferably, the nib 12 is screwed into the conduit 13. In the actual implementation process, threaded connection is convenient for dismouting, and threaded connection has good sealed effect simultaneously, is convenient for make.

Preferably, the tip 12 has a grip portion. In practical implementation, the holding portion is provided on the pen tip 12, so that the user can conveniently hold the pen tip 12, and the user can conveniently replace the pen tip 12.

In which fig. 3-5 show three embodiments of the nib of the present invention, fig. 3 shows a fibrous nib, fig. 4 shows a ball-point nib, and fig. 5 shows a double-point nib.

Preferably, the liquid tube 11 is detachably connected to the guide tube 13. In practical implementation, the liquid tube 11 is easily replaced by the detachable connection of the conduit 13 and the liquid tube 11.

Fig. 6 shows a first embodiment of the present invention in which a liquid tube 11 is detachably connected to a conduit 13: preferably, the liquid tube 11 further comprises a liquid tube body 113 between the first end 111 and the second end 112; the tube body 113 includes a tube bore 1131 that receives liquid; the first end part 11 comprises a blocking wall c1 for closing the inner hole of the liquid pipe and a guide pipe section c2 connected with the blocking wall c 1; the catheter is provided with an extending section which can extend into the guide pipe section c 2; the protruding section comprises an annular boss 132 matched with the guide pipe section c2 and a tip end facing the retaining wall; the annular boss 132 is slidably and sealingly connected to the guide tube segment c 2. In practical implementation, the extending section of the conduit 13 extends into the liquid pipe 11 along the guiding pipe section c2, and the tip of the extending section pierces the blocking wall, so that the inner hole of the conduit 13 is communicated with the inner hole 1131 of the liquid pipe; when the tip has not pierced the stopper wall c1, the annular projection 132 enters the guide tube segment c2, and the annular projection 132 is sealingly connected with the guide tube segment c 2; can effectively avoid liquid leakage.

Fig. 7 is a second embodiment of the detachable connection of the liquid tube to the conduit of the present invention: preferably, the liquid tube 11 further comprises a liquid tube body 113 between the first end 111 and the second end 112; the tube body 113 includes a tube bore 1131 that receives liquid; the first end 111 includes a second movable plug 1111 that movably closes off the tube inner bore 1131; the second movable plug 1111 comprises an elastic sealing element a1 and a sleeve body a2 sleeved outside the elastic sealing element a 1; the resilient seal a1 includes a movable internal bore through which the conduit 13 can pass. In the practical implementation process, the liquid pipe 11 is movably sealed by the second movable plug 1111, so that the liquid pipe 11 can be conveniently replaced; specifically, the elastic sealing element a1 is arranged in the sleeve body a2, when the liquid tube 11 is not used, the sleeve body a2 extrudes the elastic sealing element a1, and the movable inner hole is in a closed state under the action of elasticity; when the liquid pipe 11 is used, the movable inner hole is opened by inserting the guide pipe 13 into the movable inner hole, and the guide pipe 13 extends into the liquid pipe 11, so that the liquid can be output outwards along the guide pipe 13; when the liquid tube 11 is replaced, the guide tube 13 is drawn away from the inner hole of the movable inner hole, and the elastic sealing piece a1 enables the inner hole of the movable inner hole to be closed again under the action of the self elasticity; in the process of inserting and drawing the guide pipe 13, the elastic sealing piece a1 extrudes the guide pipe 13 under the action of elasticity, and if a gap exists between the guide pipe 13 and the inner hole 1131 of the liquid pipe at the moment, the gap can be well closed to prevent liquid from flowing out along the outer wall of the guide pipe 13; in the case of using the second movable plug 1111, the replacement of the liquid tube 11 is facilitated regardless of whether the liquid in the liquid tube 11 is used up.

Preferably, the sleeve body a2 comprises a clamping end wall a21 for limiting the elastic sealing element a1 and a hole expanding wall a22 on the clamping end wall a 21; the counterbore wall a22 has a pilot hole for passage of the catheter 13; the positioning hole is connected with the movable inner hole. In the actual implementation process, carry on spacingly to elastic sealing element a1 through screens end wall a21, the installation of the elastic sealing element a1 of being convenient for makes the one end that liquid pipe 11 was kept away from to the activity hole remain the open state all the time through setting up reaming wall a22 simultaneously, and the pipe 13 of being convenient for gets into the activity hole through the location, can effectual improvement pipe 13's dismouting efficiency, is convenient for change liquid pipe 11.

Preferably, the counterbore wall a22 tapers inwardly from root to tip. In practical implementation, the reaming section of the movable inner hole forms a wedge-shaped hole, which is convenient for positioning the catheter 13 and inserting the catheter 13.

Preferably, the sheath body a2 is connected to the first end 111 by a screw thread. In practical implementation, one end of the elastic sealing element a1 is limited by the retaining end wall a21, and the other end of the elastic sealing element a1 is limited by the first end 111 of the liquid tube 11, so that the catheter 13 is effectively prevented from driving the elastic sealing element a1 to move during insertion or extraction; threaded connection is convenient for the dismouting of second activity end cap 1111, and after liquid in liquid pipe 11 used up, can unload second activity end cap 1111 and pour into liquid in to liquid pipe 11 into, install second activity end cap 1111 again after alright reuse, the recycle of liquid pipe 11 of being convenient for reduces the wasting of resources, reaches the purpose of environmental protection.

Preferably, the tube bore 1131 has a neck section b1 connected to the movable bore; the necked section b1 is fitted to the catheter 13. In practice, the section b1 cooperates with the section of the conduit 13 to facilitate insertion or withdrawal of the conduit 13, while the liquid in the liquid line 11 will converge towards the section b 1; facilitating the flow of liquid along the inner bore of the conduit 13.

Preferably, the liquid tube inner bore 1131 further includes a receiving section b2 connected to the neck section b1, and a transition section b3 between the receiving section b2 and the neck section b 1; the transition section b3 tapers from the receiving section b2 to the neck section b 1. In practical implementation, the transition section b3 facilitates the liquid to collect toward the necking section b 1; facilitating the flow of liquid along the inner bore of the conduit 13.

Preferably, the catheter 13 includes an extending section movably extending into the constricted neck section b1 and a limit step 131 limiting the depth of extension. In actual implementation, carry on spacingly to the degree of depth of stretching into the section through spacing step 131, avoid stretching into the section and surpass necking section b1, surpass necking section b1 liquid when stretching into the section and will not arrange to the greatest extent, lead to extravagantly.

Preferably, the entry section has a liquid inlet for the liquid into the duct 13; the liquid inlet is a wedge-shaped opening. Facilitating the collection of liquid.

As shown in fig. 1-2: preferably, the pen holder 2 further comprises a first shell 22 connected with the first movable plug 21; the first housing 22 has a housing chamber housing the liquid pipe 11; the accommodating cavity is provided with an inlet end part at one end of the accommodating cavity and a limiting end part at the other end of the accommodating cavity; the inlet end part is provided with an opening for the liquid supply pipe 11 to enter and exit the accommodating cavity; the stopper end portion has a stopper end wall for restricting the liquid tube 11. In actual implementation, through holding chamber holding liquid pipe 11, carry on spacingly through spacing tip to liquid pipe 11 simultaneously for all pass through the opening at liquid pipe 11 in the dismouting in-process, the installation of the liquid pipe 11 of being convenient for.

Preferably, the cartridge 2 further includes a second casing 23 detachably connected to the first casing 22. Further facilitating the disassembly and assembly of the liquid tube 11.

Preferably, the second housing 23 is fixedly connected to the conduit 13. In practical implementation, the liquid tube 11 is installed first, then the second housing 23 is installed, and the conduit 13 is inserted into the liquid tube 11 by installing the second housing 23, so as to facilitate the connection between the conduit 13 and the liquid tube 11.

Preferably, the first housing 22 and the second housing 23 are screwed together. In practical implementation, the conduit 13 has a larger insertion force when inserting the liquid tube 11 by screwing the screw thread, so that the conduit 13 can be inserted into the liquid tube 11 conveniently,

preferably, the pen main body further comprises a limit retainer ring 3 arranged at the joint of the first shell 22 and the second shell 23; the limiting retainer ring 3 is detachably connected with the penholder 2. In practical implementation, when the improved pen is not used, the first shell 22 and the second shell 23 are limited by the limiting check ring 3, and the guide pipe 13 is prevented from being unintentionally inserted into the liquid pipe 11.

Preferably, the pen body further comprises a pen cap 4 detachably connected with the pen holder 2. The nib 12 is protected by the cap 4 from damage to the nib 12.

The product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.