Double-color whiteboard pen

Abstract

The utility model discloses a double-color whiteboard pen which comprises a pen container and a pen cap matched with the pen container, a standby pen bin is formed in the middle of the top end of the pen container, a threaded cylinder is fixedly arranged on the periphery of the top end of the pen container, a pen end sealing cover assembly is connected to the threaded cylinder in a threaded mode, and a U-shaped pen point frame is fixedly arranged at the bottom end of the pen container. The double-color whiteboard pen comprises a U-shaped pen point frame, a pen point blocking piece is fixedly arranged at the top of the inner wall of the U-shaped pen point frame, clamping and fixing holes are formed in the middles of the two sides of the U-shaped pen point frame, a double-color pen point assembly used for writing is arranged between the two clamping and fixing holes, and a locking rotary knob is connected to the top of one side of the U-shaped pen point frame in a threaded mode. After ink in the double-color pen point is used up, the double-color pen point is detached and directly replaced with the standby pen point, the ink does not need to be supplemented, the double-color pen point is easy and convenient to install and adjust, use is more convenient and flexible, and the double-color pen has the advantages of being exquisite in structural design, stable in ink supply and smooth and clear in writing.

Description

Technical Field

[0001] The utility model relates to the technical field of whiteboard pens, in particular to a double-color whiteboard pen. Background Art

[0002] A two-color whiteboard pen is a tool that can be used for writing on a whiteboard. It uses ink as ink, can be written on a smooth whiteboard, and is a water-based marker that can be wiped off with a whiteboard eraser. The two-color whiteboard pens commonly seen on the market currently mainly have ink writing heads of different colors at both ends of the pen barrel, and both ends are provided with caps. When in use, simply pull out the corresponding caps and write through the writing head. For example, the two-color whiteboard pen with application number CN201820365962.0 includes a first pen holder, a second pen holder and a pen cap. The first pen holder and the second pen holder are detachably connected, and pen heads are respectively provided on the opposite ends of the first pen holder and the second pen holder, and the pen cap cooperates with the pen head; soft ink bags with ink outlets are respectively provided in the first pen holder and the second pen holder; the above common types of two-color whiteboard pens have the following shortcomings in actual applications:

[0003] Both ends of the whiteboard pen are equipped with ink refilling structures to replenish ink when the ink runs out. However, it is difficult for non-professionals to refill the ink, which can easily cause ink leakage and make the whiteboard pen dirty. At the same time, the efficiency of refilling ink is low, which affects the normal use of the whiteboard pen. Utility Model Content

[0004] The utility model aims to provide a two-color whiteboard pen to solve the problem that the ink of the existing two-color whiteboard pen is difficult to replenish as mentioned in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a two-color whiteboard pen, comprising a pen barrel and a pen cap matching the pen barrel, a spare pen bin is opened in the middle of the top end of the pen barrel, a threaded barrel is fixedly provided on the periphery of the top end of the pen barrel, a pen end cap assembly is threadedly connected to the threaded barrel, a U-shaped nib rack is fixedly provided at the bottom end of the pen barrel, a nib stopper is fixedly provided on the top of the inner wall of the U-shaped nib rack, fixing holes are opened in the middle of both sides of the U-shaped nib rack, a two-color nib assembly for writing is provided between the two fixing holes, and a locking knob is threadedly connected to the top of one side of the U-shaped nib rack.

[0006] Preferably, the pen tip cap assembly comprises an upper cap and a hanging ear fixedly arranged on one side of the upper cap, and a snap-fit ​​platform is fixedly arranged on the top end of the upper cap, and the snap-fit ​​platform matches the pen cap; it is easy to use and carry.

[0007] Preferably, the two-color nib assembly includes a central column and nib columns fixedly arranged at both ends of the central column, ink writing components are installed on the two nib columns, and clamping components for assembling two-color nibs are provided on both sides of the central column. Locking grooves are provided on the surfaces of the two nib columns, and the locking knobs match the locking grooves; writing is smooth and clear.

[0008] Preferably, the ink writing component includes an ink tank and a soft ink bag installed inside the ink tank, the ink outlet of the soft ink bag is fixedly connected to an ink guide tube, an ink guide cotton column is fixedly arranged inside the ink guide tube, and a writing pen head is fixedly installed on the top of the ink guide tube; the ink supply is stable and the writing is smooth.

[0009] Preferably, the clamping assembly includes a reset groove and a spring fixedly installed inside the reset groove, one end of the spring is fixedly provided with a locking column, and the locking column matches the locking hole; through the clamping structure, the pen tip can be quickly installed and removed.

[0010] Preferably, both sides of the pen tip column are provided with elliptical holes, and the elliptical holes extend to the interior of the ink tank; when the ink is used up, the soft ink bag can be squeezed to increase the permeability of the ink, so that the ink can be fully used up.

[0011] Preferably, the diameter of the spare pen bin matches the diameter of the central column, so that spare pen tips can be stored easily and replaced in time.

[0012] Preferably, the surface of the pen holder is covered with a non-slip rubber sleeve; the pen holder is stable when writing and the drop resistance of the whiteboard pen is increased.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The two-color whiteboard pen adopts a detachable design of the two-color pen head and the pen holder, and a spare pen compartment is added in the pen holder. After the ink in the two-color pen head is used up, the two-color pen head can be removed and replaced with a spare pen head directly without replenishing ink. The two-color pen head is easy to install and adjust, and is more convenient and flexible to use. It has the characteristics of sophisticated structural design, stable ink supply, and smooth and clear writing, and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the double-color whiteboard pen of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the pen holder of the utility model;

[0017] Figure 3 It is a front cross-sectional view of the pen holder of the utility model;

[0018] Figure 4It is a front cross-sectional view of the dual-color pen tip assembly of the utility model;

[0019] Figure 5 It is an enlarged view of part A of the utility model.

[0020] In the figure: 1. Pen holder; 2. Upper sealing cap; 3. Two-color nib assembly; 31. Nib column; 32. Center column; 33. Ink tank; 34. Soft ink bag; 35. Ink guide tube; 36. Ink guide cotton column; 37. Writing nib; 38. Reset groove; 39. Spring; 310. Fixing column; 311. Locking groove; 4. Snap-fit ​​platform; 5. Hanging ear; 6. Anti-slip rubber sleeve; 7. Pen cap cover; 8. Nib stopper; 9. U-shaped nib rack; 10. Threaded barrel; 11. Spare pen tank; 12. Locking knob; 13. Fixing hole; 14. Elliptical hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] See also Figure 1-5 The utility model provides a two-color whiteboard pen, including a pen barrel 1 and a pen cap 7 matched with the pen barrel 1, a spare pen bin 11 is provided in the middle of the top of the pen barrel 1, a threaded barrel 10 is fixedly provided on the periphery of the top of the pen barrel 1, a pen end cap assembly is threadedly connected to the threaded barrel 10, a U-shaped pen head frame 9 is fixedly provided at the bottom of the pen barrel 1, a pen head stopper 8 is fixedly provided on the top of the inner wall of the U-shaped pen head frame 9, a locking hole 13 is provided in the middle of both sides of the U-shaped pen head frame 9, a two-color pen head assembly 3 for writing is provided between the two locking holes 13, and a locking knob 12 is threadedly connected to the top of one side of the U-shaped pen head frame 9;

[0023] When in use, the pen cap 7 is pulled off from the U-shaped pen holder 9, the pen cap 7 is buckled on the pen end cap assembly, the pen barrel 1 is pinched, and the two-color pen assembly 3 is facing the whiteboard, and then writing can be carried out normally, and the writing is smooth and clear.

[0024] See also Figure 1 , Figure 2 and Figure 3 Further, the pen tip capping assembly includes an upper cap 2 and a hanging ear 5 fixedly arranged on one side of the upper cap 2, and a buckling platform 4 is fixedly arranged on the top of the upper cap 2, and the buckling platform 4 matches the pen cap cover 7;

[0025] When in use, the upper sealing cap 2 can be removed from the threaded barrel 10 by screwing. When the upper sealing cap 2 is removed, the spare pen bin 11 is exposed, and the spare two-color pen head assembly 3 can be placed in the spare pen bin 11 so that the ink at the bottom of the whiteboard pen is used up and replaced in time.

[0026] See also Figure 1 , Figure 3 , Figure 4 and Figure 5 , further, the two-color pen tip assembly 3 includes a central column 32 and a pen tip column 31 fixedly arranged at both ends of the central column 32, an ink writing assembly is installed on the two pen tip columns 31, both sides of the central column 32 are provided with a card assembly for assembling the two-color pen tip, the surfaces of the two pen tip columns 31 are provided with a locking groove 311, the locking knob 12 matches the locking groove 311, the ink writing assembly includes an ink tank 33 and a soft ink bag 34 installed inside the ink tank 33, the ink outlet of the soft ink bag 34 is fixedly connected with an ink guide tube 35, the inside of the ink guide tube 35 is fixedly provided with an ink guide cotton column 36, the top of the ink guide tube 35 is fixedly provided with a writing pen tip 37, the card assembly includes a reset groove 38 and a spring 39 fixedly installed inside the reset groove 38, one end of the spring 39 is fixedly provided with a fixing column 310, the fixing column 310 matches the fixing hole 13, both sides of the pen tip column 31 are provided with an elliptical hole 14, and the elliptical hole 14 extends to the inside of the ink tank 33;

[0027] When in use, the two soft ink bags 34 store inks of different colors, and the ink in the soft ink bags 34 will penetrate into the ink guide cotton column 36, enter the writing pen tip 37 along the ink guide tube 35, and write through the writing pen tip 37. When the writing of the writing pen tip 37 is not clear, the soft ink bag 34 can be squeezed by squeezing the elliptical hole 14 to accelerate the ink to enter the writing pen tip 37, thereby increasing the ink content at the writing pen tip 37. When the writing color needs to be changed, the locking knob 12 is first loosened to disengage it from the locking groove 311, and then the pen tip column 31 is reversed to 180° so that the writing pen tip 37 below is close to the back of the pen tip stopper 8, and the locking knob 12 is re-tightened to write. When the writing color needs to be changed again, the same method is used to rotate the pen tip column 31 to 180° so that the writing pen tip 37 below is close to the front of the pen tip stopper 8. By alternating in this way, two-color writing can be achieved.

[0028] See also Figure 1 , Figure 2 and Figure 3 , further, the diameter of the spare pen bin 11 matches the diameter of the central column 32, and the surface of the pen barrel 1 is provided with an anti-slip rubber sleeve 6;

[0029] When in use, the anti-skid rubber sleeve 6 can increase the stability of holding the whiteboard pen and increase the drop resistance of the whiteboard pen. The spare pen compartment 11 is convenient to use and can store the spare two-color pen head assembly 3 for easy replacement and use.

[0030] When the embodiment of the present application is in use: when the two-color pen tip assembly 3 needs to be replaced, first loosen and remove the locking knob 12, squeeze the locking column 310 from both sides of the U-shaped pen tip frame 9 to make it slide into the reset groove 38, and then pinch the center column 32 and pull it down to remove the two-color pen tip assembly 3 from the U-shaped pen tip frame 9, and the upper sealing cap 2 is removed from the threaded tube 10 by screwing, and the spare two-color pen tip assembly 3 in the spare pen magazine 11 is poured out, and the locking columns 310 on both sides are pinched and inserted into the bottom of the U-shaped pen tip frame 9 until the locking columns 310 are stuck in the locking holes 13 under the elastic force of the spring 39, and the two-color pen tip assembly 3 is adjusted to be vertical, and the locking knob 12 is tightened again to stick it in the locking groove 311. The pen tip replacement is simple and efficient, and there is no need to add ink, which is labor-saving and convenient.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A two-color whiteboard pen, comprising a pen holder (1) and a pen cap (7) matching the pen holder (1), characterized in that: A spare pen bin (11) is provided in the middle of the top of the pen barrel (1), a threaded barrel (10) is fixedly provided on the periphery of the top of the pen barrel (1), a pen tip cover assembly is threadedly connected to the threaded barrel (10), a U-shaped pen tip frame (9) is fixedly provided at the bottom of the pen barrel (1), a pen tip stopper (8) is fixedly provided on the top of the inner wall of the U-shaped pen tip frame (9), locking holes (13) are provided in the middle of both sides of the U-shaped pen tip frame (9), a two-color pen tip assembly (3) for writing is provided between the two locking holes (13), and a locking knob (12) is threadedly connected to the top of one side of the U-shaped pen tip frame (9).

2. A two-color whiteboard marker according to claim 1, characterized in that: The pen end cap assembly comprises an upper cap (2) and a hanging ear (5) fixedly arranged on one side of the upper cap (2); a buckling platform (4) is fixedly arranged on the top end of the upper cap (2); and the buckling platform (4) matches the pen cap cover (7).

3. A two-color whiteboard marker according to claim 1, characterized in that: The two-color pen tip assembly (3) comprises a central column (32) and pen tip columns (31) fixedly arranged at both ends of the central column (32), the two pen tip columns (31) are both mounted with ink writing components, both sides of the central column (32) are provided with a clamping assembly for assembling the two-color pen tip, the surfaces of the two pen tip columns (31) are both provided with locking grooves (311), and the locking knob (12) matches the locking grooves (311).

4. A two-color whiteboard marker according to claim 3, characterized in that: The ink writing component comprises an ink bin (33) and a soft ink bag (34) installed inside the ink bin (33); an ink outlet of the soft ink bag (34) is fixedly connected to an ink guide tube (35); an ink guide cotton column (36) is fixedly arranged inside the ink guide tube (35); and a writing pen head (37) is fixedly installed at the top end of the ink guide tube (35).

5. A two-color whiteboard marker according to claim 3, characterized in that: The clamping assembly comprises a reset groove (38) and a spring (39) fixedly mounted inside the reset groove (38); a locking column (310) is fixedly arranged at one end of the spring (39); and the locking column (310) matches the locking hole (13).

6. A two-color whiteboard marker according to claim 4, characterized in that: Elliptical holes (14) are provided on both sides of the pen head column (31), and the elliptical holes (14) extend into the interior of the ink tank (33).

7. A two-color whiteboard marker according to claim 1, characterized in that: The diameter of the spare pen bin (11) matches the diameter of the central column (32).

8. A two-color whiteboard marker according to claim 1, characterized in that: The surface of the pen holder (1) is covered with an anti-slip rubber sleeve (6).

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