Direct liquid type color marking pen

Abstract

The utility model relates to a direct liquid type color marking pen which comprises a pen holder, a pen cap and a tail cap, the pen cap is inserted into the bottom of the pen holder, the tail cap is in threaded connection with the top of the pen holder, a pen point is arranged at the bottom of the pen holder, a refill is arranged in the pen point, an ink controller is arranged in the pen holder, an ink needle is arranged in the ink controller, and a convex ring is fixedly connected to the side surface of the pen point. A convex ring is arranged in the pen cap, a plurality of clamping teeth are fixedly connected in the pen cap and abut against the convex ring, a groove is formed in the side surface of the pen point, a rubber ring is fixedly connected in the pen cap and clamped in the groove, a pen clip is fixedly connected to the side surface of the pen cap, the pen holder and the pen cap are mutually connected in an inserted or sleeved mode, and the clamping teeth simultaneously pass through the convex ring with slight force, so that the pen holder and the pen cap can be clamped. The multiple clamping teeth abut against the top of the convex ring, meanwhile, the rubber ring is clamped into the groove, effective sealing and tight closing are formed in the pen cap, protection is improved, the structure is simple, ink leakage is effectively prevented through internal and external isolation, and the overall performance of a product is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of color marker pens, in particular to a direct liquid color marker pen. Background Art

[0002] A colored marker pen is a pen that can be used to write marks or signs on one or more materials such as paper, wood, metal, plastic and enamel ceramics. Colored marker pens are divided into oil-based and water-based. Water-based colored markers can write on smooth surfaces or whiteboards and can be wiped off with a rag. The content written by oil-based colored markers is not easy to erase. The utility model patent with application number: CN202223450433.6 discloses a direct liquid marker pen, including a pen barrel, a pen cap, an ink sealing member and an ink controller, wherein the ink controller is installed inside the pen barrel, and the ink sealing member is installed inside the pen cap. The pen pen also includes a nib, a blocking block, a sealing groove, a pen cap clip and a spring, wherein the nib is installed at one end of the pen barrel, the pen cap clip is connected and fixed to the top of the pen cap, the spring is fixed inside the pen cap, the sealing groove is inside the ink sealing member and is connected to one end of the spring, and the other end of the spring is in contact with the blocking block; the ink controller is provided with ink control groove one, ink control groove two, ink control groove three and ink control groove four, and the ink control groove one, ink control groove two, ink control groove three and ink control groove four are connected in sequence, and the density of the grooves in the ink control groove one, ink control groove two, ink control groove three and ink control groove four increases in sequence; the materials of the pen barrel and the pen cap are both transparent materials; when the pen barrel and the pen cap are in a closed state, the nib is placed in the sealing groove; an ink needle is provided at one end of the ink controller. However, when the pen barrel and the pen cap are closed, the spring acts on the ink sealing member, and the ink sealing member presses against the pen barrel. After long-term use, the pen barrel and the pen cap are prone to not being tightly closed. Utility Model Content

[0003] The utility model aims to solve the problems existing in the above-mentioned prior art and provides a direct liquid color marker pen which can be tightly closed to improve protection, has a simple structure and effectively isolates the inside and outside to prevent ink leakage, thereby improving the overall performance of the product.

[0004] The utility model adopts a technical solution to solve the technical problem: the straight liquid color marker comprises a pen body, a pen cap and a tail cap, the pen cap is plugged into the bottom of the pen body, the tail cap is threadedly connected to the top of the pen body, a pen head is arranged at the bottom of the pen body, a refill is arranged inside the pen head, an ink controller is arranged inside the pen body, an ink needle is arranged inside the ink controller, a convex ring is fixedly connected to the side surface of the pen head, a plurality of clamping teeth are fixedly connected to the inside of the pen cap, the plurality of clamping teeth and the convex ring are mutually supported, a groove is arranged on the side surface of the pen head, a rubber ring is fixedly connected to the inside of the pen cap, the rubber ring is clamped into the inside of the groove, and the side surface of the pen cap is fixedly connected to the side surface of the pen head. The pen holder is fixedly connected with a pen clip, and ink pigment is filled inside the pen holder. The ink pigment reaches the pen core through the ink needle and the ink controller, and the pen core contacts an object for writing and drawing. When the colored marker is not in use, the pen holder and the pen cap are plugged or sleeved with each other, and the pen head is plugged into the inside of the pen cap. With a little force, multiple teeth pass through the convex ring at the same time, and the multiple teeth are supported on the top of the convex ring. At the same time, the rubber ring is plugged into the inside of the groove. The pen cap is not easy to fall off, and the rubber ring and the inside of the groove fit closely to each other, forming an effective seal inside the pen cap, and the tight closure improves protection. The structure is simple and effective, and the inside and outside are isolated to prevent ink leakage, thereby improving the overall performance of the product.

[0005] For further improvement, the pen core passes through the inside of the pen head to reach the inside of the pen shaft, and the pen core is connected to the ink controller, which is provided with a plurality of ink control grooves, and the plurality of ink control grooves work together to make the ink pigment reach the pen core evenly.

[0006] To further improve the pen body, an internal thread is provided inside the pen body, an extension tube is fixedly connected to the bottom of the tail cap, and an external thread is provided on the side surface of the extension tube. The tail cap is connected and installed with the pen body by means of the internal thread, the extension tube and the external thread. The connection and installation are quick and the operation is easy.

[0007] To further improve, the side surface of the pen cap is provided with a first groove, and the side surface of the tail cap is provided with a second groove. There are multiple first grooves and multiple second grooves. The multiple first grooves and multiple second grooves increase the friction during operation, which is convenient for reducing slipping, saving manpower and operating time.

[0008] To further improve, the tail cap is sleeved with an inner tube, the pen body is fixedly connected with a limiting sleeve, a through hole is opened inside the limiting sleeve, the inner tube is inserted into the through hole, the inner tube is loaded with ink and pigment, and when the inner tube is inserted into the through hole, the ink and pigment reach the pen body, which is convenient for quantitative addition of ink and pigment and prolongs the service life of the colored marker.

[0009] For further improvement, the limit sleeve is made of rubber or silicone material, the inside of the through hole is funnel-shaped, the top diameter of the through hole is larger than the inner tube diameter, and the bottom diameter of the through hole is smaller than the inner tube diameter. The funnel-shaped through hole facilitates the entry of the inner tube, the inside of the through hole is contracted by force, and tightly engages with the inner tube, forming an effective seal inside the pen shaft.

[0010] To further improve, a spring component is fixedly connected inside the tail cap, a protrusion is fixedly connected to the bottom of the spring component, the protrusion abuts against the top of the inner tube, the spring component provides elastic force and support to prevent the inner tube from loosening and detaching from the through hole, thereby enhancing protection and avoiding ink leakage.

[0011] For further improvement, the bottom of the pen cap is provided with rounded corners, and the top of the tail cap is also provided with rounded corners. The setting of the rounded corners improves safety while enhancing comfort and improving a good user experience.

[0012] The beneficial effects of the utility model are:

[0013] 1. The ink pigment is filled in the pen barrel, and the ink pigment reaches the pen core through the ink needle and the ink controller. The pen core contacts the object for writing and drawing. When the colored marker is not in use, the pen barrel and the pen cap are plugged or sleeved together, and the pen head is plugged into the inside of the pen cap. With a little force, multiple teeth pass through the convex ring at the same time. Multiple teeth are supported on the top of the convex ring, and the rubber ring is clipped into the inside of the groove. The pen cap is not easy to fall off, and the rubber ring and the inside of the groove fit closely to each other, forming an effective seal inside the pen cap, and the tight closure improves protection. The structure is simple and effective to isolate the inside and outside to prevent ink leakage, thereby improving the overall performance of the product.

[0014] 2. The ink and pigment are loaded through the inner tube. When the inner tube is inserted into the through hole, the ink and pigment reach the pen body, which is convenient for quantitative addition of ink and pigment and prolongs the service life of the colored marker. The funnel-shaped through hole facilitates the entry of the inner tube. The inside of the through hole is contracted by force and tightly engaged with the inner tube, forming an effective seal inside the pen body. The spring part provides elasticity and support to prevent the inner tube from loosening and detaching from the through hole, thereby enhancing protection and avoiding ink leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a diagram showing the penholder structure of the utility model;

[0017] Figure 3 This is a diagram showing the pen cap structure of the utility model;

[0018] Figure 4 This is a diagram showing the tail cap structure of the utility model;

[0019] Figure 5 This is a diagram showing the internal structure of the utility model;

[0020] Figure 6 For the utility model Figure 5 Enlarged view of point A in the middle;

[0021] Figure 7 For the utility model Figure 5 Enlarged view of point B in the middle;

[0022] Figure 8 For the utility model Figure 5 Enlarged view of point C in the middle.

[0023] Explanation of the reference numerals: 1. pen barrel; 2. pen cap; 3. tail cap; 4. pen tip; 5. pen core; 6. ink controller; 7. ink needle; 8. convex ring; 9. latch tooth; 10. groove; 11. rubber ring; 12. pen clip; 13. internal thread; 14. extension tube; 15. external thread; 16. first groove; 17. second groove; 18. inner tube; 19. limit sleeve; 20. through hole; 21. spring member; 22. protrusion. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1-8 This embodiment is further described:

[0025] like Figure 1-7 As shown: In this embodiment, a straight liquid color marker pen includes a pen body 1, a pen cap 2 and a tail cap 3. The pen cap 2 is inserted at the bottom of the pen body 1, and the tail cap 3 is threadedly connected to the top of the pen body 1. A pen head 4 is arranged at the bottom of the pen body 1, and a refill 5 is arranged inside the pen head 4. An ink controller 6 is arranged inside the pen body 1, and an ink needle 7 is arranged inside the ink controller 6. A convex ring 8 is fixedly connected to the side surface of the pen head 4, and a plurality of latch teeth 9 are fixedly connected to the inside of the pen cap 2. The plurality of latch teeth 9 and the convex ring 8 are mutually supported. A groove 10 is arranged on the side surface of the pen head 4, and a rubber ring 11 is fixedly connected to the inside of the pen cap 2. The rubber ring 11 is snapped into the inside of the groove 10, and a pen clip 12 is fixedly connected to the side surface of the pen cap 2. The pen core 5 passes through the inside of the pen head 4 to reach the inside of the pen body 1. The pen core 5 is connected to the ink controller 6, and the ink controller 6 is provided with multiple ink control grooves. An internal thread 13 is opened inside the pen body 1, and an extension tube 14 is fixedly connected to the bottom of the tail cap 3. An external thread 15 is provided on the side surface of the extension tube 14. A first groove 16 is provided on the side surface of the pen cap 2, and a second groove 17 is provided on the side surface of the tail cap 3. There are multiple first grooves 16 and second grooves 17. A rounded corner is provided at the bottom of the pen cap 2, and a rounded corner is also provided at the top of the tail cap 3.

[0026] like Figure 5 , Figure 7 and Figure 8 As shown: an inner tube 18 is sleeved inside the tail cap 3, a limiting sleeve 19 is fixedly connected inside the pen body 1, a through hole 20 is opened inside the limiting sleeve 19, the inner tube 18 is inserted into the through hole 20, the limiting sleeve 19 is made of rubber or silicone material, the inside of the through hole 20 is funnel-shaped, the top diameter of the through hole 20 is larger than the diameter of the inner tube 18, and the bottom diameter of the through hole 20 is smaller than the diameter of the inner tube 18, a spring member 21 is fixedly connected inside the tail cap 3, a protrusion 22 is fixedly connected to the bottom of the spring member 21, and the protrusion 22 presses against the top of the inner tube 18.

[0027] When the utility model is in use: the bottom of the tail cap 3 is threadedly connected with the top of the pen barrel 1, and the tail cap 3 is connected and installed with the pen barrel 1 by means of the internal thread 13, the extension tube 14 and the external thread 15, and the plurality of second grooves 17 increase the friction force during operation, which is convenient for exerting force to reduce the occurrence of slippage. The inside of the pen barrel 1 is filled with ink pigment, and the ink pigment reaches the pen core 5 through the ink needle 7 and the ink controller 6. The pen core 5 contacts the object for writing and drawing. When the colored marker is not in use, the pen barrel 1 and the pen cap 2 are plugged or sleeved with each other, and the plurality of first grooves 16 increase the friction force during operation, which is convenient for exerting force to reduce the occurrence of slippage. The pen head 4 is plugged into the inside of the pen cap 2, and a plurality of latch teeth 9 are passed through the convex ring 8 at the same time with a little force. The plurality of latch teeth 9 are abutted on the top of the convex ring 8, and at the same time, the rubber ring 11 is clamped into the inside of the groove 10, and the pen cap 2 is not easy to fall off, and the rubber ring 11 and the inside of the groove 10 are tightly fitted to each other, and the inside of the pen cap 2 forms an effective seal, which is tightly closed to improve protection, and the structure is simple and effective. The inside and outside are isolated to prevent ink leakage, which improves Overall performance of the product: when the colored marker pen is used without ink, the bottom of the tail cap 3 and the top of the pen body 1 are first removed and separated, the inner tube 18 is taken out, the opening of the inner tube 18 is vertically facing upward, the ink is dripped or injected into the inner tube 18, the pen body 1 is turned 180 degrees so that the pen head 4 is facing upward, the internal thread 13 is facing downward, the inner tube 18 is inserted into the pen body 1 from the internal thread 13, the funnel-shaped through hole 20 facilitates the entry of the inner tube 18, and the inner wall of the through hole 20 is connected to the inner tube 18. The inside of the through hole 20 contracts under force and is tightly engaged with the inner tube 18. The pen body 1 flips 180 degrees, and the ink pigment reaches the inside of the pen body 1 from the inner tube 18. The tail cap 3 is threadedly connected to the pen body 1 again, and the protrusion 22 contacts the top of the inner tube 18. The spring part 21 contracts after being stressed. The spring part 21 provides elastic force and support to prevent the inner tube 18 from loosening and from detaching from the through hole 20, thereby enhancing protection and avoiding ink leakage. The ink pigment is quantitatively added, thereby extending the service life of the colored marker.

[0028] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A straight liquid color marker pen, comprising a pen body (1), a pen cap (2) and a tail cap (3), characterized in that: The pen cap (2) is inserted into the bottom of the pen barrel (1), the tail cap (3) is threadedly connected to the top of the pen barrel (1), a pen head (4) is arranged at the bottom of the pen barrel (1), a refill (5) is arranged inside the pen head (4), an ink controller (6) is arranged inside the pen barrel (1), an ink needle (7) is arranged inside the ink controller (6), a convex ring (8) is fixedly connected to the side surface of the pen head (4), a locking tooth (9) is fixedly connected to the inside of the pen cap (2), there are a plurality of locking teeth (9), and the plurality of locking teeth (9) and the convex ring (8) are mutually supported, a groove (10) is arranged on the side surface of the pen head (4), a rubber ring (11) is fixedly connected to the inside of the pen cap (2), and the rubber ring (11) is clamped into the inside of the groove (10), and a pen clip (12) is fixedly connected to the side surface of the pen cap (2).

2. A straight liquid color marker pen according to claim 1, characterized in that: The pen core (5) passes through the inside of the pen head (4) to reach the inside of the pen shaft (1), and the pen core (5) is connected to the ink controller (6), which is provided with a plurality of ink control grooves.

3. A straight liquid color marker pen according to claim 1, characterized in that: The pen holder (1) is provided with an internal thread (13), the bottom of the tail cap (3) is fixedly connected with an extension tube (14), and the side surface of the extension tube (14) is provided with an external thread (15).

4. A straight liquid color marker pen according to claim 1, characterized in that: The side surface of the pen cap (2) is provided with a first concave pattern (16), and the side surface of the tail cap (3) is provided with a second concave pattern (17). There are a plurality of first concave patterns (16) and second concave patterns (17).

5. A straight liquid color marker pen according to claim 1, characterized in that: The tail cap (3) is sleeved with an inner tube (18), the pen holder (1) is fixedly connected with a limiting sleeve (19), the limiting sleeve (19) is provided with a through hole (20), and the inner tube (18) is inserted into the through hole (20).

6. A straight liquid color marker pen according to claim 5, characterized in that: The limiting sleeve (19) is made of rubber or silicone material, the interior of the through hole (20) is funnel-shaped, the top diameter of the through hole (20) is larger than the diameter of the inner tube (18), and the bottom diameter of the through hole (20) is smaller than the diameter of the inner tube (18).

7. A straight liquid color marker pen according to claim 5, characterized in that: A spring component (21) is fixedly connected inside the tail cap (3), a convex block (22) is fixedly connected to the bottom of the spring component (21), and the convex block (22) abuts against the top of the inner tube (18).

8. A straight liquid color marker pen according to claim 1, characterized in that: The bottom of the pen cap (2) is provided with rounded corners, and the top of the tail cap (3) is also provided with rounded corners.

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