Sharp type paint marker pen

Abstract

To provide a mechanical-type paint marker pen that allows ink to be easily discharged by pressing the ink tank according to Bernoulli's theorem, making it easy to use and increasing operation efficiency, and that allows the use of a relatively inexpensive polyester nib instead of an expensive acrylic nib, and when a brush nib is used, the product lineup to be expanded to include watercolor markers, or the like, allows high-viscosity ink to be used, making it possible to expand into other industries such as nail polish.SOLUTION: The mechanical-type paint marker pen includes a body; an ink tank connected to the inside of the body and containing ink; an inner rod inserted into the ink tank and connected to the body; an ink discharge part fixed to the body and discharging ink; and a nib connected to the ink discharge part.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a sharp-type paint marker pen, and more specifically, to a sharp-type paint marker pen that is easy to use and increases operating efficiency by pressing the ink tank and allowing the use of a relatively inexpensive polyester nib instead of an expensive acrylic nib. When a brush nib is used, the product lineup can be expanded to include watercolor markers, etc., and high-viscosity ink can be used, allowing for expansion into other industries such as nail polish. [Background technology]

[0002] Generally, a marker pen has a nib at the tip and an ink tank at the rear, through which ink is supplied while writing, and has been developed as a widely used writing instrument.

[0003] As an example of prior art, Patent Document 1 (published on March 4, 2019) discloses a board marker pen equipped with an ink stopper, which includes: a transparent ink storage section that stores liquid ink and has one end closed; a film that surrounds the ink storage section and has an opaque area except for one or more remaining ink indicators so that the remaining amount of liquid ink stored in the ink storage section can be seen with the naked eye; a nib holder that is connected to the opening of the ink storage section and to which a nib is connected, the inner end of which is surrounded by a filter; an ink stopper that is positioned between the ink storage section and the filter and has two ink passages that pass through it to smoothly circulate liquid ink in the ink storage section or the filter side to the other side; and a cap that is detachably connected to the nib holder.

[0004] As another example, Patent Document 2 (published on July 15, 2000) discloses a marker pen having a spray-type ink storage tank.

[0005] All of these conventional technologies are the type that ink flows out by pressing the front (nib). The nib breaks easily, so it needs to be reinforced with acrylic material, but this increases the unit price, the nib is hard, so the writing feel is poor, and the part needs to be pressed to check for ink flow, which contaminates the part, making it inconvenient to use and unclean.

[0006] Also, when the rear shaft of the marker pen is pressed downward, the ink tank opens, and at this time the ink should flow downward, but the ink cannot flow out due to the external atmospheric pressure and surface tension. [Prior art documents] [Patent documents]

[0007] [Patent Document 1] Korean Patent Publication No. 10-2019-0020387 [Patent Document 2] Korean Registered Utility Model No. 20-0187567 Summary of the Invention [Problem to be solved by the invention]

[0008] The present invention has been made to solve the above problems, and aims to provide a mechanical paint marker pen that is easy to use and has an ink discharge structure that allows ink to be easily discharged according to Bernoulli's theorem by pressing the ink tank, thereby improving the efficiency of operation.

[0009] Another object of the present invention is to provide a sharp type paint marker pen that can reduce material costs by using a relatively inexpensive polyester nib instead of an expensive acrylic nib.

[0010] In addition, the present invention aims to provide a sharp-type paint marker pen that maximizes product efficiency, as it can be used with a brush nib, allowing for expansion of the product lineup to include watercolor markers, etc., and can be used with high-viscosity ink, allowing for expansion into other industries such as nail polish.

[0011] The technical problems of the present invention are not limited to those mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description. [Means for solving the problem]

[0012] To achieve the above object, one embodiment of the present invention provides a mechanical paint marker pen having an ink discharge structure, comprising: a body; an ink tank connected to the inside of the body and containing ink; an inner rod inserted into the ink tank and connected to the body; an ink discharge part fixed to the body and discharging ink; and a nib connected to the ink discharge part.

[0013] In one embodiment of the present invention, the main body includes a pipe-shaped frame and a guide plate provided inside the frame.

[0014] In one embodiment of the present invention, a first groove for coupling with an ink outlet is formed on the left side of the inner diameter of the frame, and a second groove for coupling with an ink tank is formed on the right side of the inner diameter of the frame.

[0015] In one embodiment of the present invention, the guide plate includes a vertical portion formed on the inner diameter of the frame, a horizontal portion protruding from the left side of the vertical portion, and a connecting portion formed at the left end of the horizontal portion.

[0016] In one embodiment of the present invention, a fourth protruding piece for coupling with an inner rod is formed inside the horizontal portion.

[0017] In one embodiment of the present invention, the ink tank includes an ink tank body containing ink, and a finishing member detachably coupled to a rear side of the ink tank body.

[0018] In one embodiment of the present invention, the ink tank body includes a rear section having an internal thread formed on an inner diameter at the rear for fastening a finishing member, a middle section provided in front of the rear section and having a diameter that decreases toward the front, and a front section provided in front of the middle section and having a third protrusion formed on an outer diameter at the left end.

[0019] In one embodiment of the present invention, the finishing member comprises a fastening portion having a male thread formed thereon to be fastened to the female thread of the rear portion, and a handle portion formed at the rear end of the fastening portion.

[0020] In one embodiment of the present invention, the inner rod includes an inlet through which ink from the ink tank flows, a coupling part provided on one side of the inlet and coupled to the main body, and a stopper part provided on the other side of the inlet.

[0021] In an embodiment of the present invention, a passage for ink to pass through may be formed between the outside of the inlet and the ink tank.

[0022] In one embodiment of the present invention, a plurality of guide protrusions may be formed on the outer periphery of the inlet along the length direction.

[0023] In an embodiment of the present invention, a partition wall may be formed on a side surface of the stopper portion.

[0024] In one embodiment of the present invention, the ink discharge part includes a discharge body through which ink flowing in through the inner rod is discharged, and a nib fixing part to which a nib is connected is provided at the front of the discharge body.

[0025] In one embodiment of the present invention, an ink absorbing reservoir is coupled to the inside of the discharge body. [Effects of the Invention]

[0026] As described above, according to one embodiment of the present invention, the ink tank and the inner rod are spaced apart to form a flow path, and a partition is formed on the side of the inner rod. Therefore, when the ink tank is pressed, ink passes through the flow path according to Bernoulli's theorem and is easily discharged to the ink discharge part, thereby improving operational efficiency and product quality.

[0027] The effects of the present invention are not limited to those mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the following description. [Brief explanation of the drawings]

[0028] [Figure 1] 1 is a perspective view illustrating a state in which the cap of the sharp-type paint marker pen according to the present invention is attached; [Figure 2] 1 is an exploded perspective view illustrating a state in which the cap of the sharp-type paint marker pen according to the present invention is separated. [Figure 3] 1 is a cross-sectional view of a sharp-type paint marker pen according to the present invention with the cap removed. [Figure 4] 1 is a cross-sectional view illustrating a state in which the cap of the sharp-type paint marker pen according to the present invention is attached; [Figure 5] 1 is a cross-sectional view illustrating a state before the main body and ink discharge portion of the sharp-type paint marker pen according to the present invention are joined together. [Figure 6] 1 is a cross-sectional view illustrating the state in which the body and ink discharge portion of the sharp-type paint marker pen according to the present invention are coupled together. [Figure 7] 1 is a cross-sectional view illustrating the state before the main body, ink tank, and inner rod of the sharp-type paint marker pen according to the present invention are joined together. [Figure 8] 1 is a cross-sectional view illustrating the connection state of the main body, ink tank, and inner rod of the sharp type paint marker pen according to the present invention. [Figure 9] FIG. 9 is an enlarged view of part “A” in FIG. 8. [Figure 10] FIG. 9 is an enlarged cross-sectional view of part “A” in FIG. 8, illustrating a state in which ink is being discharged. [Figure 11] 1 is an enlarged cross-sectional view illustrating the connection between the ink tank and the inner rod of a sharp-type paint marker pen according to the present invention. [Figure 12] FIG. 12 is a cross-sectional view taken along line BB in FIG. DETAILED DESCRIPTION OF THE INVENTION

[0029] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The features and advantages of the present invention, as well as means for realizing them, will become clear through the following detailed description of the embodiments together with the accompanying drawings. However, the embodiments of the present invention described below are merely illustrative and are not intended to limit the scope of the present invention to the described embodiments. Furthermore, the elements of each embodiment may be variously combined within or between embodiments unless otherwise stated or mutually inconsistent.

[0030] As shown in FIGS. 1 to 4, a mechanical paint marker pen according to one embodiment of the present invention includes a body 100, an ink tank 200, an inner rod 300, an ink discharge portion 400, a nib 500, and a cap 600.

[0031] 3 and 4, the main body 100 has an outer appearance that can be held by a user and includes a pipe-shaped frame 110 and a guide plate 120 provided inside the frame 110. Meanwhile, the outer shape of the frame 110 is circular, but it may be various shapes such as a triangle, a square, or a hexagon.

[0032] 5, the frame 110 may have a first groove 111 formed on the left side of the inner diameter to which the ink outlet 400 is connected, and a second groove 112 formed on the right side of the inner diameter to which the ink tank 200 is connected. In this case, the first groove 111 and the second groove 112 may be formed around the inner diameter of the frame 110. This allows the ink outlet 400 and the ink tank 200 to be smoothly connected to the frame 110.

[0033] The guide plate 120 may be provided integrally within the frame 110 .

[0034] The guide plate 120 may include a vertical portion 121 formed on the inner diameter of the frame 110, a horizontal portion 122 protruding from the left side of the vertical portion 121 and into which the inner rod 300 is inserted, and a coupling portion 123 formed at the left end of the horizontal portion 122 and into which the inner rod 300 is coupled. Meanwhile, the vertical portion 121 may be formed in a ring shape, the horizontal portion 122 may be formed in a pipe shape, and the coupling portion 123 may be formed in a ring shape.

[0035] A fourth protruding piece 122a may be formed on the inner side of the horizontal portion 122 to which the inner rod 300 is coupled. At this time, the fourth protruding piece 122a is formed in the form of a protrusion extending in the circumferential direction.

[0036] The inner diameter of the coupling part 123 is smaller than the inner diameter of the horizontal part 122. In addition, the coupling part 123 has a plurality of flow passage holes 123a formed radially to allow the ink in the ink tank 200 to be discharged to the ink discharge part 400.

[0037] The ink tank 200 is connected to the inside of the body 100 and contains ink.

[0038] Referring to FIGS. 7 and 8, the ink tank 200 comprises an ink tank body 210 and a finishing member 220.

[0039] The ink tank body 210 is made up of a front section 211, a middle section 212, and a rear section 213 from left to right.

[0040] The front section 211 is formed in a pipe shape, and a ring-shaped third protruding piece 211a is formed on the outer diameter of the left end. At this time, the third protruding piece 211a is formed in the form of a protrusion extending in the circumferential direction. As a result, since the third protruding piece 211a and the fourth protruding piece 122a are formed in the form of protrusions extending in the circumferential direction, when the ink tank 200 is coupled to the frame 110, the third protruding piece 211a climbs over the fourth protruding piece 122a of the horizontal section 122 and is positioned to the left of the fourth protruding piece 122a, so that the ink tank 200 cannot be easily removed unless it is pulled forcefully.

[0041] The middle section 212 is integrally formed at the rear of the front section 211, and is formed so that the diameter increases from the front to the rear.

[0042] 3 and 8, a coil spring S is installed between the vertical portion 121 of the guide plate 120 and the middle portion 212 of the ink container body 210. As a result, when a user applies force to move the ink container body 210 in the direction in which the guide plate 120 is formed, the coil spring S is compressed, and when the user releases the force, the coil spring S returns to its original shape.

[0043] The rear section 213 is formed in a pipe shape and stores ink therein.

[0044] In addition, the rear portion 213 has an internal thread 213a formed on the rear inner diameter to fasten the finishing member 220, and a second protruding piece 213b formed on the outside to be engaged with the second groove 112 of the frame 110. In this case, the second protruding piece 213b may be formed in a ring shape at a point 2 / 3 of the way from the left side to the right side.

[0045] Meanwhile, a ball 230 may be inserted into the ink tank body 210. The ball 230 serves to mix the ink well.

[0046] The finishing member 220 is detachably connected to the rear part 213 of the ink tank body 210 by screwing it in. That is, the finishing member 220 can be separated from the ink tank body 210, ink can be injected into the ink tank body 210, and the finishing member 220 can be closed and used to refill the ink.

[0047] The finishing member 220 includes a fastening portion 221 having a male thread 221a formed thereon to be fastened to the female thread 213a of the rear portion 213, and a handle portion 222 formed at the rear end of the fastening portion 221.

[0048] A locking step 223 is formed at the contact point between the fastening portion 221 and the handle portion 222 so as to protrude outward. The locking step 223 is locked to the end of the rear portion 213.

[0049] The inner rod 300 is inserted into the ink container body 210 and connected to the guide plate 120 of the main body 100 .

[0050] Referring to FIG. 9, the inner rod 300 includes an inlet 310 through which ink flows, a coupling part 320 provided on one side of the inlet 310 and coupled to the main body 100, and a stopper part 330 provided on the other side of the inlet 310.

[0051] The inlet portion 310 is formed in a cylindrical shape, and a plurality of guide protrusions 311 are formed radially on the outer diameter thereof. At this time, the guide protrusions 311 are formed long along the length direction of the inlet portion 310, and the inner rod 300 is supported by the inner surface of the ink tank 200.

[0052] 9 and 12, a flow path 340 is formed between the outside of the inlet 310 and the front part 211 of the ink tank 200 so that ink can pass through.

[0053] The coupling part 320 is formed by protruding from one side of the inlet part 310 and is composed of an upper coupling part 321 and a lower coupling part 322 that are symmetrically spaced apart from each other at a predetermined interval.

[0054] The upper coupling part 321 is formed to bulge upward, and an upper insertion groove 321a is formed at the upper part. The lower coupling part 322 is formed to bulge downward, and a lower insertion groove 322a is formed at the lower part. That is, the end of the coupling part 123 of the guide plate 120 is inserted into the upper insertion groove 321a and the lower insertion groove 322a formed in the upper coupling part 321 and the lower coupling part 322. In this way, the inner rod 300 is coupled to the main body part 100.

[0055] The stopper portion 330 includes a first step 331 integrally formed behind the inlet portion 310 and a second step 332 formed behind the first step 331. The first step 331 and the second step 332 are formed in a ring shape.

[0056] The first section 331 has a larger diameter than the inlet section 310, and the second section 332 has a larger diameter toward the rear.

[0057] 7 and 11, a partition 350 is formed on the side of the second step 332. The partition 350 is formed in the length direction of the marker pen 10, and has a circular vertical cross section.

[0058] The diameter of the partition 350 is larger than the diameter of the stopper portion 330, and as shown in FIG. 10, a gap 351 is formed between the partition 350 and the ink tank 200 by pressing the ink tank 200, and the ink in the ink tank 200 is discharged into the gap 351.

[0059] The ink discharge part 400 is fixed to the front surface of the body part 100, and the ink passing through the flow path 340 and the flow path hole 123a is absorbed and discharged through the nib 500.

[0060] 5 and 6, the ink discharge part 400 includes a discharge body 410 into which ink that has passed through the flow path 340 of the inner rod 300 and the flow path hole 123a flows and is discharged, and a nib fixing part 420 to which a nib 500 is attached is provided at the front of the discharge body 410.

[0061] The discharge body 410 is formed in a pipe shape having a step, and an absorption reservoir 430 for absorbing ink flowing in through the flow passage hole 123a is connected thereto by interference fit.

[0062] The absorption reservoir 430 is preferably formed in a cylindrical shape and uses a sponge or filter to absorb the ink flowing therein.

[0063] In addition, a first protrusion 411 is formed on the outer periphery of the discharge body 410 to be inserted into the first groove 111 of the main body 100 to couple the ink discharge part 400 to the main body 100 .

[0064] The nib fixing part 420 is formed to have a diameter smaller than that of the discharge body 410, and has a coupling groove 421 formed therein to couple the nib 500 thereto.

[0065] The nib 500 is tightly fitted into the fitting groove 421 of the nib fixing part 420 and is formed in a cylindrical shape, but is not limited thereto. Meanwhile, when the nib 500 is fitted into the nib fixing part 420, a portion of the nib 500 is exposed to the outside so that writing can be performed.

[0066] The nib 500 is coupled so that its rear end contacts the absorbing reservoir 430. Thus, the ink absorbed in the absorbing reservoir 430 is discharged through the nib 500.

[0067] On the other hand, a brush can be used instead of the nib, which allows it to be used for watercolor painting, nail polish, etc.

[0068] As in FIGS. 1 and 4, the cap 600 is coupled to the ink outlet 400 and seals the nib 500 to prevent it from drying out or being damaged.

[0069] As described above, in the present invention, the middle portion 212 of the ink tank body 210 and the outer surface of the stopper portion 330 come into contact with each other, so that the ink tank 200 is sealed and cannot be ejected.

[0070] When the finishing member 220 of the ink tank 200 is pressed, the ink tank 200 moves in the longitudinal direction, but the inner rod 300 remains in place, opening the ink tank 200. At this time, the ink should flow downward, but the external atmospheric pressure and surface tension prevent the ink from flowing out.

[0071] Therefore, the gap between the ink tank 200 and the inner rod 300 is adjusted to allow the ink inside the ink tank 200 to move downward and overcome the surface tension to flow out. As a result, the ink speed increases as it passes through the narrow space of the gap 351 between the stopper part 330 formed at the rear of the inner rod 300 and the middle part 212 of the ink tank body 210, and the ink is easily discharged according to Bernoulli's principle.

[0072] Also, when the inner surface of the middle section 212 moves away from the outer surface of the stopper section 330, the ink stored inside the ink tank body 210 moves to the gap 351 between the stopper section 330 and the middle section 212, and then moves to the flow path 340 between the front section 211 and the inlet section 310.

[0073] Then, ink flows into the flow path 340 and moves to the absorbing / storing part 430 of the discharge body 410 through the flow path hole 123 a of the coupling part 123 , and the ink in the absorbing / storing part 430 flows to the nib 500 .

[0074] While the foregoing detailed description of the present invention has described only specific embodiments thereof, it is to be understood that the invention is not limited to the specific forms set forth in the detailed description, but rather includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims. [Explanation of symbols]

[0075] 10: Marker pen 100: Main body 110: Frame 111: 1st groove 112:Second groove 120: Guide plate 121:Vertical part 122:Horizontal part 122a: 4th protruding piece 123:Joining part 123a: flow path hole 200: Ink tank 210: Ink tank body 211: First step 211a: Third protruding piece 212: Middle section 213:Later part 213a: Female thread 213b: 2nd protruding piece 220: Finishing materials 221: Fastening part 221a: Male thread 222: Handle 223: Locking stage 230: Ball 300: Inner rod 310:Inflow section 311: Guide protrusion 320:Joining part 321: Upper joint 321a: Upper insertion groove 322: Lower joint 322a: Lower insertion groove 330: Stopper part 331: 1st stage 332:Second stage 340: Flow path 350: Bulkhead 351: Gap 400: Ink discharge section 410: Ejection fuselage 411: 1st protruding piece 420: Nib fixing part 421: Binding groove 430: Absorption reservoir 500: Nib 600: Cap S: Coil spring

Claims

1. a main body; an ink tank coupled to the inside of the main body and containing ink; an inner rod inserted into the ink tank and coupled to the main body; an ink discharge portion fixed to the main body portion and discharging ink; a nib coupled to the ink ejection portion; Equipped with The inner rod is an inlet through which ink in the ink tank flows; a coupling portion provided on one side of the inlet portion and coupled to the main body portion; a stopper portion provided on the other side of the inlet portion; It consists of A partition wall is formed on the side surface of the stopper portion. Sharp type paint marker pen.

2. The main body portion is A pipe-shaped frame; a guide plate provided inside the frame; 2. The sharp type paint marker pen according to claim 1, comprising:

3. 3. The mechanical paint marker pen according to claim 2, wherein a first groove for coupling an ink discharge part is formed at a front portion inside the frame, and a second groove for coupling an ink tank is formed at a rear portion inside the frame.

4. The guide plate is a vertical portion formed on an inner diameter of the frame; a fourth protruding piece for coupling the inner rod thereto, and a horizontal portion protruding from the vertical portion toward the front of the frame; a coupling portion formed at a front end portion of the horizontal portion; 3. The sharp type paint marker pen according to claim 2, comprising:

5. The ink tank is an ink tank body containing ink; a finishing member detachably coupled to the rear of the ink tank body; 2. The sharp type paint marker pen according to claim 1, comprising:

6. The ink tank body is a rear portion having an internal thread formed on the rear inner diameter thereof for fastening a finishing member; a middle section provided in front of the rear section and having a diameter that decreases toward the front; a front step portion provided in front of the middle step portion and having a third protruding piece formed on an outer diameter of a front end portion; 6. The sharp type paint marker pen according to claim 5, comprising:

7. 2. The sharp-type paint marker pen according to claim 1, wherein a flow path for ink to pass through is formed between the outside of the inlet and the ink tank.

8. 2. The sharp-type paint marker pen according to claim 1, wherein a plurality of guide protrusions are formed on the outer periphery of the inlet along the length direction.

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