Portable gel pen

Abstract

The invention discloses a portable gel pen, and particularly relates to the field of gel pens, the portable gel pen comprises a penholder, a top cover is fixedly mounted at the top end of the penholder, a sharp sleeve is arranged at the bottom end of the penholder, and a refill is mounted in the penholder; the rotating button is arranged in the top end of the pen holder and rotationally connected with the pen holder, an adjusting pipe is fixedly installed at the bottom end of the rotating button, a bottom frame is arranged at the bottom end of the adjusting pipe, a groove is formed in the bottom end of the bottom frame, the top end of the pen refill is inserted into the groove, and a pushing assembly is arranged in the adjusting pipe. The refill is pushed out downwards through the pushing assembly. According to the invention, one end of the pen holder is provided with a rotary pushing mode, the internal refill is pushed outwards, and meanwhile, the clamping columns are arranged at the starting position and the tail position for limiting, so that the situation that the refill is pushed out in the carrying process can be effectively avoided, and the carrying safety of the refill is greatly improved.

Description

Technical Field

[0001] The invention relates to the field of gel pens, and more particularly to a portable gel pen. Background Art

[0002] Gel pen, short for neutral ink ballpoint pen, originated in Japan and is a new type of writing tool that is popular in East Asia. According to the type of pen head, ink color, structure, etc., there are different types of gel pens, and you can choose according to your needs. Gel pen has the advantages of both fountain pen and oily ballpoint pen. It has a comfortable writing feel, low ink viscosity, and adds appropriate lubricants. The viscosity of the writing medium is between water-based and oil-based, so it is smoother than ordinary oil-based ballpoint pen and is an upgraded product of oil-based ballpoint pen.

[0003] Chinese patent CN220973757U discloses a gel pen, including a pen holder, a refill, a first elastic member, a push portion, and a flexible protective cover. The pen holder is hollow and extends axially, and has a main body and a writing portion connected to each other; the refill is arranged in the pen holder; the first elastic member is sleeved on the refill; the push portion is located in the main body, including a push head, the push portion cooperates with the first elastic member, and the refill is extended or retracted from the writing portion by pressing the push head; the flexible protective cover at least covers the main body of the pen holder and the push head of the push portion. The gel pen in this embodiment is more comfortable to use by providing a flexible protective cover, which prevents calluses on fingers and can prevent paint loss or scratches on the outside of the pen holder.

[0004] However, in actual use, if the existing gel pens adopt a push-type structure or use a pen cover to protect one end of the pen core, the pen cover needs to be removed each time when used, and there is a risk of losing it. The push-type structure is prone to accidental contact with other objects during placement and carrying, and one end of the pen core is pushed out, which lacks certain safety. Summary of the invention

[0005] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a portable gel pen, which pushes the internal pen core outward by arranging a rotating propulsion method at one end of the pen barrel, and at the same time, clamping columns are arranged at the starting position and the end position for limiting, which can effectively prevent the pen core from being pushed out during carrying, thereby greatly increasing the safety of carrying the pen core.

[0006] To achieve the above object, the present invention provides the following technical solution: a portable gel pen, comprising: A pen holder, wherein a top cover is fixedly mounted on the top end of the pen holder, a tip sleeve is arranged on the bottom end of the pen holder, and a pen core is installed inside the pen holder; A rotating knob, the rotating knob is arranged inside the top end of the pen holder, the rotating knob is rotatably connected to the pen holder, an adjusting tube is fixedly installed at the bottom end of the rotating knob, a bottom frame is arranged at the bottom end of the adjusting tube, a groove is opened at the bottom end of the bottom frame, the top end of the pen core is inserted into the groove, a pushing component is arranged inside the adjusting tube, and the pen core is pushed downward by the pushing component; A pen clip, the pen clip is installed on the outer surface of one side of the pen barrel, a second holder is fixedly installed on the outer surface of one side of the pen barrel, a first holder is fixedly installed on the outer surface of one end of the pen clip at a position corresponding to the second holder, magnetic blocks are embedded inside the first holder and the second holder, and the magnetic blocks inside the first holder and the second holder are opposite in poles.

[0007] Furthermore, a connecting tube is fixedly mounted on the bottom end of the pen holder, and the top end of the tip sleeve is threadedly connected to the connecting tube. When the pen core needs to be replaced, the tip sleeve can be rotated to remove it from the connecting tube.

[0008] Furthermore, the pushing assembly includes an inner tube arranged inside the adjusting tube, the bottom end of the inner tube is fixedly connected to the top outer surface of the base frame, the base frame is slidably connected to the inner wall of the pen barrel, and the base frame is pushed downward by the pushing assembly, so that the base frame slides along the inner wall to push the pen core downward.

[0009] Furthermore, a second retaining ring is fixedly installed at the inner bottom end of the adjusting tube, and the second retaining ring is sleeved on the outer surface of the bottom end of the inner tube. The outer surface of the inner tube is located above the second retaining ring and is sleeved with a third return spring. When the inner tube is pushed downward, the third return spring will be squeezed.

[0010] Furthermore, a top block is fixedly installed on the top of the inner tube, a sliding column is fixedly installed on the outer surface of one side of the top block, a guide groove is opened on the inner wall of the adjusting tube, and the shape of the guide groove is an arc from top to bottom, one end of the sliding column is inserted into one end of the guide groove, and the guide groove slides along the sliding column to drive the top block to slide downward.

[0011] Furthermore, a clamping column is inserted into one end of the inner part of the sliding column, and a second return spring is arranged inside the top block at one end of the clamping column, and one end of the second return spring is fixedly connected to one end of the clamping column. When the clamping column is pushed inward, the second return spring will be squeezed.

[0012] Furthermore, the other end of the clamping column is hemispherical, and clamping grooves are provided on the inner walls at both ends of the guide groove, and one hemispherical end of the clamping column is inserted into the inside of the clamping groove, and during the rotation process, the clamping column will be pushed inward.

[0013] Furthermore, the outer surface of the pen barrel is covered with a rubber sleeve, and the outer surface of the rubber sleeve is provided with a plurality of concave points, which increase the friction when holding the pen and make the writing process more stable. A hanging ring is fixedly installed on the top of the top cover, and a hanging strap is passed through the hanging ring for connection and carrying.

[0014] Furthermore, a mounting tube is fixedly mounted on the outer surface of the pen shaft at one side of the top end of the pen clip, an inner rod is arranged inside the mounting tube, and one end of the inner rod is fixedly connected to the outer surface of one side of the top end of the pen clip.

[0015] Furthermore, a first retaining ring is fixedly installed on one end of the interior of the mounting tube, and the first retaining ring is sleeved on the outer surface of one end of the inner rod. The outer surface of the inner rod is located on one side of the first retaining ring and is sleeved with a first return spring. A baffle is fixedly installed on the other end of the inner rod, and the first return spring is squeezed by the baffle.

[0016] Technical effects and advantages of the present invention: 1. By setting a rotating propulsion method at one end of the pen holder, the internal pen core is pushed outward, and at the same time, a clamping column is set at the starting position and the end position for limiting, which can effectively prevent the pen core from being pushed out during carrying, greatly increasing the safety of carrying the pen core; 2. A magnetic block is installed at one end of the pen clip, and the magnetic force between the magnetic blocks increases the firmness of the pen clip in the clamping position. At the same time, a spring is used at the other end for a press-type connection to reduce the possibility of falling off and increase stability during carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The overall structure of the present invention is shown in FIG. Figure 1 .

[0018] Figure 2 The overall structure of the present invention is shown in FIG. Figure 2 .

[0019] Figure 3 It is an exploded view of the structure of the present invention as a whole.

[0020] Figure 4 It is a cross-sectional view of the pen holder of the present invention.

[0021] Figure 5 It is a cross-sectional view of the regulating tube of the present invention.

[0022] Figure 6 It is a cross-sectional exploded view of the regulating tube of the present invention.

[0023] Figure 7 It is an exploded view of the installation structure of the pen clip of the present invention.

[0024] Figure 8 It is a cross-sectional view of the installation pipe of the present invention.

[0025] The accompanying drawings are marked as follows: 1. pen barrel; 11. top cover; 12. rubber sleeve; 13. tip sleeve; 14. connecting tube; 15. pen core; 2. pen clip; 21. first card seat; 22. second card seat; 23. magnetic block; 24. mounting tube; 25. inner rod; 26. baffle; 27. first return spring; 28. first baffle ring; 3. knob; 31. lifting ring; 32. adjusting tube; 321. guide groove; 322. card slot; 33. inner tube; 34. top block; 341. sliding column; 342. card column; 343. second return spring; 35. second baffle ring; 36. third return spring; 37. base frame. DETAILED DESCRIPTION

[0026] The present invention provides Figure 1-6 A portable gel pen is shown, comprising a pen holder 1, a top cover 11 is fixedly mounted on the top end of the pen holder 1, a tip sleeve 13 is arranged on the bottom end of the pen holder 1, and a refill 15 is installed inside the pen holder 1; A rotating knob 3, which is arranged inside the top end of the pen holder 1, and is rotatably connected to the pen holder 1. An adjusting tube 32 is fixedly installed at the bottom end of the rotating knob 3, and a bottom frame 37 is arranged at the bottom end of the adjusting tube 32. A groove is provided at the bottom end of the bottom frame 37, and the top end of the pen core 15 is inserted into the groove. A pushing component is arranged inside the adjusting tube 32, and the pen core 15 is pushed downward by the pushing component. In a preferred embodiment, Figure 3 As shown, a connecting tube 14 is fixedly installed at the bottom end of the pen body 1, and the top end of the tip sleeve 13 is threadedly connected to the connecting tube 14. When replacing the pen core 15, it is necessary to rotate the tip sleeve 13 and remove the tip sleeve 134 from the connecting tube 14 to facilitate the replacement of the internal pen core 15.

[0027] In a preferred embodiment, Figure 5-6As shown, the pushing assembly includes an inner tube 33 arranged inside the adjusting tube 32, the bottom end of the inner tube 33 is fixedly connected to the top outer surface of the bottom frame 37, the bottom frame 37 is slidably connected to the inner wall of the pen holder 1, the inner bottom end of the adjusting tube 32 is fixedly installed with a second retaining ring 35, and the second retaining ring 35 is sleeved on the bottom outer surface of the inner tube 33, the outer surface of the inner tube 33 is located above the second retaining ring 35 and is sleeved with a third return spring 36, and the top of the inner tube 33 is fixedly installed with a top block 3 4. A slide post 341 is fixedly mounted on the outer surface of one side of the top block 34. A guide groove 321 is opened on the inner wall of the adjusting tube 32. The shape of the guide groove 321 is an arc from top to bottom. One end of the slide post 341 is inserted into one end of the guide groove 321. The knob 3 at the bottom is rotated, and the knob 3 drives the adjusting tube 32 at the bottom to rotate. During the rotation, the guide groove 321 slides along the slide post 341 on one side of the top block 34, thereby driving the inner tube 33 to move downward and pushing the bottom end of the pen core 15 out.

[0028] In a preferred embodiment, Figure 5-6 The cam 342 is pressed against the top of the support frame 341 to push the support frame 342 downwards, so that the support frame 342 is in a state of being pushed downwards, and the support frame 342 is pressed downwards, so that the support frame 342 is pushed downwards, and the support frame 342 is pressed downwards.

[0029] When in use, the knob 3 at the bottom is rotated by the hanging ring 31, and the knob 3 drives the adjusting tube 32 at the bottom to rotate. During the rotation process, the guide groove 321 slides along the sliding column 341 on one side of the top block 34, thereby driving the inner tube 33 to move downward, and the bottom end of the pen core 15 is pushed out. A clamping column 342 is embedded at one end of the sliding column 341, and one end of the clamping column 342 is hemispherical. During the rotation process, the clamping column 342 will be pushed inward, so that the clamping column 342 will be separated from the clamping groove 322 at the top of the guide groove 321. The second return spring 343 will be squeezed when the sliding column 341 moves. When the pen holder 31 reaches the bottom of the guide groove 321, the second return spring 343 will push the clamping column 342 outward, so that one end of the clamping column 342 is inserted into the bottom clamping groove 322 for limiting, which is convenient for use for writing. When use is finished, the knob 3 is rotated in the opposite direction to drive the bottom end of the pen core 15 to be retracted into the inside of the pen holder 15. In the process of driving the inner tube 33 to move downward by rotating the knob 3, the top block 34 will squeeze the third return spring 36, and the third return spring 36 will increase the pressure required for the inner tube 33 to move downward, thereby reducing the situation of accidentally rotating the knob 31 during carrying, thereby increasing the safety of carrying. The present invention provides Figure 7-8 A portable gel pen shown in the figure comprises a pen clip 2, wherein the pen clip 2 is mounted on the outer surface of one side of a pen holder 1, a second holder 22 is fixedly mounted on the outer surface of one side of the pen holder 1, a first holder 21 is fixedly mounted on the outer surface of one end of the pen clip 2 at a position corresponding to the second holder 22, a magnetic block 23 is embedded inside the first holder 21 and the second holder 22, and the magnetic blocks 23 inside the first holder 21 and the second holder 22 are opposite in polarity; In a preferred embodiment, Figure 1 As shown, the outer surface of the pen body 1 is provided with a rubber sleeve 12, and the outer surface of the rubber sleeve 12 is provided with a plurality of concave points. A hanging ring 31 is fixedly installed on the top of the top cover 3. A hanging strap can be used to pass through the hanging ring 31 at the top, and the gel pen can be hung in front of the chest through the hanging strap for convenient use at any time.

[0030] In a preferred embodiment, Figure 8As shown, a mounting tube 24 is fixedly installed on the outer surface of the pen barrel 1 at one side of the top end of the pen clip 2, an inner rod 25 is arranged inside the mounting tube 24, and one end of the inner rod 25 is fixedly connected to the outer surface of one side of the top end of the pen clip 2, a first baffle ring 28 is fixedly installed on one end of the inner end of the mounting tube 24, and the first baffle ring 28 is sleeved on the outer surface of one end of the inner rod 25, the outer surface of the inner rod 25 is located on one side of the first baffle ring 28 and is sleeved with a first return spring 27, a baffle plate 26 is fixedly installed on the other end of the inner rod 25, and the baffle plate 26 at one end of the inner rod 25 will squeeze the first return spring 27 when it is pulled outward, and the pen clip 2 is clamped at the required fixed position through the bottom end, and the magnetic blocks 23 in the first clamping seat 21 and the second clamping seat 22 are attracted to each other due to magnetic force, thereby increasing the firmness of the pen clip 2 during the clamping process.

[0031] When the pen holder 1 needs to be clamped and fixed in position by the pen clip 2, one end of the pen clip 2 is pulled outward along the mounting tube 24, and the first clamping seat 21 at the other end is disengaged from the second clamping seat 22. While pulling outward, the baffle 26 at one end of the inner rod 25 will squeeze the first return spring 27, and the pen holder 1 is clamped in the required fixed position by the bottom end of the pen clip 2. The magnetic blocks 23 in the first clamping seat 21 and the second clamping seat 22 are attracted to each other due to magnetic force, which increases the firmness of the pen clip 2 during the clamping process, making it convenient to carry the gel pen, and a strap can be used to pass through the ring 31 at the top, and the gel pen can be hung in front of the chest through the strap for convenient use at any time.

Claims

1. A portable gel pen, characterized in that: include: A pen holder (1), wherein a top cover (11) is fixedly mounted on the top end of the pen holder (1), a tip sleeve (13) is arranged on the bottom end of the pen holder (1), and a pen core (15) is mounted inside the pen holder (1); A rotating knob (3), the rotating knob (3) being arranged inside the top end of the pen holder (1), the rotating knob (3) being rotatably connected to the pen holder (1), an adjusting tube (32) being fixedly mounted on the bottom end of the rotating knob (3), a bottom frame (37) being arranged at the bottom end of the adjusting tube (32), a groove being provided at the bottom end of the bottom frame (37), the top end of the pen core (15) being inserted into the groove, a pushing component being arranged inside the adjusting tube (32), and the pen core (15) being pushed downward by the pushing component; A pen clip (2), the pen clip (2) being mounted on an outer surface of one side of a pen holder (1), a second holder (22) being fixedly mounted on an outer surface of one side of the pen holder (1), a first holder (21) being fixedly mounted on an outer surface of one end of the pen clip (2) at a position corresponding to the second holder (22), a magnetic block (23) being embedded inside the first holder (21) and the second holder (22), and the magnetic blocks (23) inside the first holder (21) and the second holder (22) being opposite in polarity.

2. A portable gel pen according to claim 1, characterized in that: A connecting tube (14) is fixedly mounted on the bottom end of the pen holder (1), and the top end of the tip sleeve (13) is threadedly connected to the connecting tube (14).

3. A portable gel pen according to claim 1, characterized in that: The pushing assembly comprises an inner tube (33) arranged inside the regulating tube (32), the bottom end of the inner tube (33) being fixedly connected to the top outer surface of a bottom frame (37), and the bottom frame (37) being slidably connected to the inner wall of the pen holder (1).

4. A portable gel pen according to claim 3, characterized in that: A second retaining ring (35) is fixedly mounted on the inner bottom end of the regulating tube (32), and the second retaining ring (35) is sleeved on the outer surface of the bottom end of the inner tube (33). A third return spring (36) is sleeved on the outer surface of the inner tube (33) above the second retaining ring (35).

5. A portable gel pen according to claim 4, characterized in that: A top block (34) is fixedly mounted on the top of the inner tube (33), a sliding column (341) is fixedly mounted on the outer surface of one side of the top block (34), a guide groove (321) is formed on the inner wall of the adjusting tube (32), the guide groove (321) is in the shape of an arc from top to bottom, and one end of the sliding column (341) is inserted into one end of the guide groove (321).

6. A portable gel pen according to claim 5, characterized in that: A clamping column (342) is inserted into one end of the sliding column (341), a second return spring (343) is provided inside the top block (34) at one end of the clamping column (342), and one end of the second return spring (343) is fixedly connected to one end of the clamping column (342).

7. A portable gel pen according to claim 6, characterized in that: The other end of the clamping column (342) is hemispherical, and the inner walls at both ends of the guide groove (321) are provided with clamping grooves (322), and one hemispherical end of the clamping column (342) is inserted into the interior of the clamping groove (322).

8. A portable gel pen according to claim 1, characterized in that: The outer surface of the pen holder (1) is covered with a rubber sleeve (12), and the outer surface of the rubber sleeve (12) is provided with a plurality of concave points. A hanging ring (31) is fixedly mounted on the top end of the top cover (3).

9. A portable gel pen according to claim 1, characterized in that: A mounting tube (24) is fixedly mounted on the outer surface of the pen shaft (1) at one side of the top end of the pen clip (2), an inner rod (25) is arranged inside the mounting tube (24), and one end of the inner rod (25) is fixedly connected to the outer surface of one side of the top end of the pen clip (2).

10. A portable gel pen according to claim 9, characterized in that: A first retaining ring (28) is fixedly mounted on one end of the mounting tube (24), and the first retaining ring (28) is sleeved on the outer surface of one end of the inner rod (25); a first return spring (27) is sleeved on the outer surface of the inner rod (25) located on one side of the first retaining ring (28); and a retaining plate (26) is fixedly mounted on the other end of the inner rod (25).

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