CN114454641B

CN114454641B - Dry-proof bag type water color pen

Info

Publication number: CN114454641B
Application number: CN202111561518.9A
Authority: CN
Inventors: 吴丹
Original assignee: Hunan University of Arts and Science
Current assignee: Hunan University of Arts and Science
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2023-03-28
Anticipated expiration: 2041-12-20
Also published as: CN114454641A

Abstract

The invention relates to a watercolor pen, in particular to an anti-dry bag type watercolor pen, which comprises a hollow pen holder, hydrophilic pen points and pen covers which are respectively arranged at two sides of the pen holder, and a rolling bag which is arranged in the pen holder, wherein a one-way valve is embedded in the pen cover, the output end of the one-way valve faces the rolling bag, an anti-dry plate is arranged between the one-way valve and the rolling bag, the anti-dry plate is spliced and sleeved in the pen holder and is provided with an anti-dry hole, a baffle is arranged at one side of the anti-dry hole, two sides of the baffle are respectively provided with anti-leakage plates, the anti-leakage plates are contacted with the inner wall of the pen holder, the outer side of each anti-leakage plate is provided with an adjusting plate, the side wall of the pen holder is provided with an adjusting groove, the adjusting groove is sleeved on the adjusting plate, and the outer side of the pen cover is provided with a liquid adding device. The invention provides a pen which is convenient to reuse, prevents watercolor liquid from leaking out, is convenient to add the watercolor liquid, has strong stability, prevents pen points from being dry and astringent, is convenient to observe the color and the volume of the watercolor liquid, and is used for overcoming the defects in the prior art.

Description

Dry-proof bag type watercolor pen

Technical Field

The invention relates to a water color pen, in particular to an anti-dry bag type water color pen.

Background

At present, the water color pens on the market can not be recycled, so that the water color pens can only be discarded after being used, thereby causing garbage to pollute the environment and wasting resources. However, when the rolling bag of the water color pen contains less water color liquid, the water color liquid is easy to use, and the using effect of the water color pen is affected; in addition, when the rolling bag of the water color pen is extruded under the action of inertia, water color liquid leaks out from the gap of the pen point or the pen holder of the water color pen, and the use of the water color pen is influenced. And under the condition of not using the water color pen for a long time, the water color pen is easy to dry and astringent, and the use of the water color pen is influenced.

To this end, the chinese patent application No.: 201120379524.8 discloses a novel water color pen, including being equipped with the rubber water storage bag between top cap and the fixed partition board, add water color liquid again for the water color refill through extruding the water storage bag, can also change the water storage bag and can effectively avoid extravagant after the water color is used up in the water storage bag, but the water storage bag need adopt softer rubber material in order to realize being extruded water, consequently is easily crowded bad, inconvenient carrying at the in-process. And Chinese patent application number: 201821185002.2 discloses an anti-dry watercolor pen which comprises an extrusion structure, wherein the extrusion structure is made of a hydrophilic material, preferably a sponge; the water is removed by extruding the extrusion structure, and the pen point in contact with the extrusion structure absorbs the water removed from the extrusion structure, so that the dryness and the full utilization of ink of the pen point are removed, but the pen point is easy to extrude in the carrying process, so that the water liquid leaks out from the pen point, and the use of the water color pen is influenced.

Therefore, the production is convenient for reuse, prevents the watercolor liquid from leaking, is convenient for adding the watercolor liquid, has strong stability, prevents the pen point from being dry and astringent, is convenient for observing the color and the volume of the watercolor liquid, and has wide market prospect.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the pen which is convenient to reuse, prevents watercolor liquid from leaking out, is convenient to add watercolor liquid, has strong stability, prevents pen points from being dry and astringent, is convenient to observe the color and the volume of the watercolor liquid, and is used for overcoming the defects in the prior art.

The technical scheme adopted by the invention is as follows: the utility model provides an prevent unsmooth bag formula water-color paint brush of drying, includes hollow pen-holder, arranges hydrophilic nib and the pen cover in the pen-holder both sides respectively in to and arrange the book bag in the pen-holder in, the pen cover on inlay and have a check valve, the output of check valve is towards rolling up the bag, be equipped with the dry-proof board between check valve and the book bag, prevent that dry-proof board bonding suit has seted up the dry-proof hole on the dry-proof board in the pen-holder, one side in dry-proof hole is equipped with the baffle, the both sides of baffle are equipped with leak protection plate respectively, leak protection plate contacts with the inner wall of pen-holder, the outside of leak protection plate is equipped with the regulating plate, has seted up the adjustment tank on the lateral wall of pen-holder, the outside of pen-holder be equipped with liquid feeding device on the regulating plate.

The liquid feeding device comprises a liquid feeding seat, a liquid suction pump embedded on the liquid feeding seat, a pressure sensing probe, a CPU (central processing unit) processor and a power supply, wherein the pressure sensing probe, the liquid suction pump and the power supply are respectively electrically connected with the CPU processor, a liquid feeding groove is formed in one side of the liquid feeding seat, a pen cap is sleeved in the liquid feeding groove, the appearance of the pen cap is identical to the shape of the liquid feeding groove, the output end of the liquid suction pump is communicated with a one-way valve, and the bottom end of the pen cap is contacted with the pressure sensing probe.

The output of imbibition pump bond and have the connecting pipe, the imbibition pump is linked together through connecting pipe and check valve, it has the liquid of feeling to inlay on the lateral wall of connecting pipe and pops one's head in, one side of CPU treater is equipped with the linking module, one side of power supply is equipped with the interface that charges, the interface and the linking module that charge inlay respectively on the liquid feeding seat, feel liquid probe and linking module respectively with CPU treater electric connection, the interface and the power supply electric connection charge.

The pen holder include first section pole and the second section pole that is connected with first section pole, pen cap detachable pegs graft on the outside of second section pole, roll up the bag suit in second section pole, first section pole is including fixed pipe, spacing pipe and connect the transition pipe of fixed pipe and spacing pipe, one side of rolling up the bag is supported and is leaned on the internal face of spacing pipe, the middle part grafting of nib is fixed in fixed pipe, adopt the interference to be connected between nib and the fixed pipe, one side of nib is pegged graft in rolling up the bag, the outside cover of nib is equipped with the cap for brush, cap for brush detachable pegs graft on the outside of first section pole.

The middle part of the pen cap is bonded and sleeved with an anti-drying barrel with an opening at one side, the anti-drying barrel is sleeved on the fixed tube, the inner diameter of the anti-drying barrel is matched with the outer diameter of the fixed tube, the anti-drying barrel and the pen cap are of an integrated structure, the axial section of the limiting tube is of a trapezoidal structure, the bottom end of the limiting tube is in contact with one end of the second section rod, the bottom end diameter of the limiting tube is not smaller than the top end diameter of the limiting tube, and one end of the rolling bag is closely matched with the top end of the limiting tube.

The rolling bag comprises a waterproof outer film and a water absorption layer filled in the waterproof outer film, and two sides of the water absorption layer are respectively contacted with the pen point and the dry-proof plate.

The pen cap is characterized in that a sealing ring is bonded on the inner side of the pen cap, the inner shape of the sealing ring is matched with that of the pen cap, the sealing ring is sleeved in the pen holder, and the sealing ring is in interference connection with the pen holder.

The quantity of dry-proof hole, baffle, leak protection board, adjustment tank and regulating plate be two respectively, two dry-proof hole symmetries are seted up in dry-proof both sides, two baffles contact with two dry-proof holes respectively, the aperture in dry-proof hole is not more than the width of baffle, the both ends of two baffles are equallyd divide and are do not bonded on the inner wall of two leak protection boards, the one end of two regulating plates bonds respectively in the middle part of the outer wall of two leak protection boards, the both sides at the pen-holder are seted up to two adjustment tank symmetries, two regulating plate suit are respectively in two adjustment tanks.

The side wall of the pen holder is provided with an observation groove, the observation groove is arranged between the dry-proof plate and the pen cap, an observation plate is embedded in the observation groove, the observation plate is of a plate-shaped structure made of transparent materials, and the shape of the observation plate is matched with the internal shape of the observation groove.

The invention has the beneficial effects that: the invention comprises a hollow pen holder, hydrophilic pen points and pen covers which are respectively arranged at two sides of the pen holder, and a rolling bag which is arranged in the pen holder, wherein a one-way valve is embedded on the pen cover, the output end of the one-way valve faces the rolling bag, an anti-dry plate is arranged between the one-way valve and the rolling bag, the anti-dry plate is spliced and sleeved in the pen holder, an anti-dry hole is formed in the anti-dry plate, a baffle is arranged at one side of the anti-dry hole, leak-proof plates are respectively arranged at two sides of the baffle, the leak-proof plates are contacted with the inner wall of the pen holder, an adjusting plate is arranged at the outer side of the leak-proof plate, an adjusting groove is formed in the side wall of the pen holder, the adjusting groove is sleeved on the adjusting plate, and a liquid adding device is arranged at the outer side of the pen cover; secondly, the liquid adding seat and the liquid sucking pump are arranged, so that watercolor liquid can be conveniently added into the pen holder, the addition of the watercolor liquid is controlled through the CPU, the pressure sensing probe and the power supply, the flowing of the watercolor liquid is detected through the liquid sensing probe and the charging interface, the power supply is charged, and the stable liquid adding is ensured; thirdly, the pen point is protected by the pen cap and the anti-drying barrel, so that the watercolor liquid adsorbed by the pen point is prevented from volatilizing and the pen point is prevented from being extruded, and the leakage of the watercolor liquid caused by the extrusion of the rolling bag is prevented by forming a leakage-proof space in the filter tube; in addition, the sealing ring is arranged, so that the watercolor liquid is prevented from flowing out of a gap of the pen cap, the stability of the pen cap fixed on the pen holder is improved, the observation plate is arranged on the pen holder, the color of the watercolor liquid and the volume of the watercolor liquid can be conveniently observed, the use effect of the pen is improved, the pen has good social and economic benefits, and the pen is a product easy to popularize and use.

Drawings

FIG. 1 is a schematic view of the present invention.

Fig. 2 is a schematic structural view of the liquid adding device of the present invention without installation.

FIG. 3 is a schematic view of the connection between the pen head and the pen holder according to the present invention.

Fig. 4 is a perspective view illustrating the assembly of the barrel, the cap and the cap in the present invention.

Fig. 5 is an assembled perspective view of a pen holder and a pen cap according to the present invention.

Fig. 6 is an assembly view of the cartridge, the dry plate and the leakage plate according to the present invention.

Fig. 7 is a functional flow chart of the liquid adding device of the present invention.

Detailed Description

As shown in fig. 1, 2, 3, 4, 5, 6, 7, an anti-dry bag type water color pen comprises a hollow pen holder 1, a hydrophilic pen point 2 and a pen cover 3 respectively arranged at two sides of the pen holder 1, and a rolling bag 4 arranged in the pen holder 1, wherein water color liquid is absorbed in the rolling bag 4, a check valve 5 is embedded in the pen cover 3, the output end of the check valve 5 faces the rolling bag 4, so that the water color liquid is conveniently added into the pen holder 1, the water color pen is convenient to reuse, an anti-dry plate 6 is arranged between the check valve 5 and the rolling bag 4, the anti-dry plate 6 is adhered and sleeved in the pen holder 1, an anti-dry hole 7 is formed in the anti-dry plate 6, a baffle 8 is arranged at one side of the anti-dry hole 7, leak-proof plates 9 are respectively arranged at two sides of the baffle 8, the inner wall of the baffle 9 is in contact with the inner wall of the pen holder 1, an adjusting plate 10 is arranged at the outer side of the anti-dry plate 9, an adjusting groove 11 is formed in the side wall of the pen holder 1, the adjusting groove 11 is sleeved on the adjusting plate 10, the adjusting plate is pushed to drive the baffle 8 to move, so as to control the communication of the anti-dry hole 7, so that the two sides of the anti-dry bag 3 are convenient to facilitate the flow direction of the water color pen holder 4, and the rolling bag, and the water color pen holder 3.

The liquid adding device comprises a liquid adding seat 12, a liquid suction pump 13 embedded on the liquid adding seat 12, a pressure sensing probe 14, a CPU processor 15 and a power supply 16, wherein the power supply 16 adopts a 3000-5000mAh rechargeable battery, a corresponding control program is arranged in the CPU processor 9, the pressure sensing probe 14, the liquid suction pump 13 and the power supply 16 are respectively and electrically connected with the CPU processor 15, a liquid adding groove 17 is formed in one side of the liquid adding seat 12, a pen cap 3 is sleeved in the liquid adding groove 17, the shape of the pen cap 3 is matched with that of the liquid adding groove 17, the output end of the liquid suction pump 13 is communicated with a one-way valve 5, the input end of the liquid suction pump 13 is communicated with the volume filled with the watercolor liquid, so that the watercolor liquid is sucked into the pen holder 1, the bottom end of the pen cap 3 is contacted with the pressure sensing probe 14, so that the watercolor liquid can be conveniently injected into the pen holder 1, and the pen holder 1 can be repeatedly used; the output end of the liquid suction pump 13 is bonded with a connecting pipe 18, the liquid suction pump 13 is communicated with the one-way valve 5 through the connecting pipe 18, a liquid sensing probe 19 is embedded on the side wall of the connecting pipe 18, so that the flowing of the watercolor liquid is convenient to detect, no-load phenomenon is avoided, one side of the CPU processor 15 is provided with a connecting module 20, the connecting module 20 adopts a wireless or Bluetooth module, so that the CPU processor 15 and the mobile phone terminal are conveniently and electrically connected, so that the information of the watercolor liquid is added to the mobile phone terminal, one side of the power supply 16 is provided with a charging interface 21, the charging interface 21 adopts a USB interface, so that an external circuit can conveniently charge the power supply 16, the charging interface 21 and the connecting module 20 are respectively embedded on the liquid adding seat 12, the liquid sensing probe 19 and the connecting module 20 are respectively and electrically connected with the CPU processor 15, and the charging interface 21 is electrically connected with the power supply 16.

The pen holder 1 comprises a first section of rod 101 and a second section of rod 102 connected with the first section of rod 101, a pen cover 3 is detachably inserted on the outer side of the second section of rod 102, a rolling bag 4 is sleeved in the second section of rod 102, the first section of rod 101 comprises a fixing tube 1011, a limiting tube 1012 and a transition tube 1013 connecting the fixing tube 1011 and the limiting tube 1012, one side of the rolling bag 4 abuts against the inner wall surface of the limiting tube 1012, the middle part of the pen head 2 is inserted and fixed in the fixing tube 1011, so that a leakage-proof space is formed in the filter tube 1013, after the rolling bag 4 is extruded, watercolor liquid is extruded in the leakage-proof space, namely the rolling bag 4 is prevented from being extruded to cause leakage of the watercolor liquid, the pen head 2 is in interference connection with the fixing tube 1011, one side of the pen head 2 is inserted and connected in the rolling bag 4, the pen head 2 is sleeved with a pen cap 22, and the pen cap 22 is detachably inserted and connected on the outer side of the first section of rod 101, so as to protect the pen head 2; the middle part of pen cap 22 bond the cover and be equipped with one side open-ended and prevent a dry section of thick bamboo 221, prevent that dry section of thick bamboo 221 suit is on fixed pipe 1011, prevent that the internal diameter of a dry section of thick bamboo 221 is identical with fixed pipe 1011's external diameter for one side suit of nib 2 is in preventing a dry section of thick bamboo 221, makes nib 2 be in under the sealed environment, prevents that the absorbent watercolour liquid of nib 2 from volatilizing and avoiding the nib to receive the extrusion, prevents that dry section of thick bamboo 221 and pen cap 22 structure as an organic whole, the axial cross-section of spacing pipe 1012 is the trapezium structure, thereby is convenient for restrict the one end of rolling bag 4, and the bottom of spacing pipe 1012 contacts with the one end of second section pole 102, and the bottom diameter of spacing pipe 1012 is not less than the top diameter of spacing pipe 1012, and the top of rolling bag 4 closely cooperates with the top of spacing pipe 1012.

The rolling bag 4 comprises a waterproof outer film 401 and a water absorption layer 402 filled in the waterproof outer film 401, and two sides of the water absorption layer 402 are respectively contacted with the pen point 2 and the anti-drying plate 6, so that watery liquid is conveyed to the pen point 2, and the use requirement of the pen point is ensured; the inner side of the pen cap 3 is bonded with a sealing ring 23, the inner shape of the sealing ring 23 is matched with that of the pen cap 3, so that liquid can be conveniently added, the sealing ring 23 is sleeved in the pen holder 1, and the sealing ring 23 is in interference connection with the pen holder 1, so that water color liquid can conveniently flow out from a gap of the pen cap 3, and the stability of the pen cap 3 fixed on the pen holder 1 is improved; the dry-proof holes 7, the baffles 8, the leakage-proof plates 9, the adjusting grooves 11 and the adjusting plates 10 are respectively two in number, the two dry-proof holes 7 are symmetrically arranged on two sides of the dry-proof plate 6, the two baffles 8 are respectively contacted with the two dry-proof holes 7, the aperture of each dry-proof hole 7 is not larger than the width of the corresponding baffle 8, so that whether two sides of each dry-proof hole 7 are communicated or not is conveniently controlled, two ends of each baffle 8 are respectively bonded on the inner walls of the two leakage-proof plates 9, one ends of the two adjusting plates 10 are respectively bonded on the middle parts of the outer walls of the two leakage-proof plates 9, the two adjusting grooves 11 are symmetrically arranged on two sides of the pen holder 1, the two adjusting plates 10 are respectively sleeved in the two adjusting grooves 11, the length of each adjusting groove 11 is not larger than the length of the leakage-proof plates 9, the width of each adjusting groove 11 is not larger than the width of the leakage-proof plates 9, namely, the adjusting grooves 11 of the leakage-proof plates 9 prevent the adjusting grooves 11 from being communicated with the pen holder 1, and prevent watercolor liquid in the pen holder 1 from leaking out of the adjusting grooves 11; the side wall of the pen holder 1 is provided with an observation groove 24, the observation groove 24 is arranged between the dry-proof plate 6 and the pen cap 3, an observation plate 25 is embedded in the observation groove 24, the observation plate 25 is of a plate-shaped structure made of transparent materials, and the shape of the observation plate 25 is matched with the internal shape of the observation groove 24, so that the color of the watercolor liquid and the volume of the watercolor liquid can be observed conveniently.

The use method of the product is as follows: as shown in fig. 1, 2, 3, 4, 5, 6 and 7, firstly, the input end of the liquid suction pump 13 is communicated with the volume filled with the watercolor liquid, so that the color of the watercolor liquid in the volume is consistent with the color of the watercolor liquid in the product, the pen cap 3 is sleeved in the liquid adding groove 17, the pen cap 3 extrudes the pressure sensing probe 14, and a pressure signal is transmitted to the CPU processor 15 through the pressure sensing probe 14; then, after receiving the pressure signal, the CPU processor 15 starts the liquid suction pump 13 to perform liquid suction processing, so that the watery color liquid is added into the pen holder 1 through the check valve, and the liquid sensing probe 19 performs detection, so that after the pen holder 1 is filled with the watery color liquid or the watery color liquid is abnormally added, a signal is transmitted to the CPU processor 15 through the liquid sensing probe 19, so that the CPU processor controls the liquid suction pump 13 to stop in time; then, the pen body 1 is taken down, the two sides of the anti-dry hole 7 are communicated by moving the adjusting plate 10, and the water color liquid on one side of the anti-dry plate 6 flows into the rolling bag 4, so that the pen point 2 is convenient to use.

The pen is convenient to reuse, prevents watercolor liquid from leaking, is convenient to add the watercolor liquid, is high in stability, prevents the pen point from being dry and astringent, and facilitates observation of the color and the volume of the watercolor liquid, so that the pen has wide market prospect.

Claims

1. The utility model provides an prevent dry and astringent bag formula water-color paint brush, includes hollow pen-holder (1), places nib (2) and the pen cap (3) of the hydrophilicity of pen-holder (1) both sides in respectively to and arrange a book bag (4) in pen-holder (1), its characterized in that: the pen cap (3) is inlaid with a one-way valve (5), the output end of the one-way valve (5) faces the rolling bag (4), an anti-dry plate (6) is arranged between the one-way valve (5) and the rolling bag (4), the anti-dry plate (6) is bonded and sleeved in the pen holder (1), an anti-dry hole (7) is formed in the anti-dry plate (6), a baffle (8) is arranged on one side of the anti-dry hole (7), leak-proof plates (9) are respectively arranged on two sides of the baffle (8), the leak-proof plates (9) are contacted with the inner wall of the pen holder (1), an adjusting plate (10) is arranged on the outer side of the leak-proof plate (9), an adjusting groove (11) is formed in the side wall of the pen holder (1), the adjusting groove (11) is sleeved on the adjusting plate (10), and a liquid adding device is arranged on the outer side of the pen cap (3);

the liquid adding device comprises a liquid adding seat (12), a liquid suction pump (13) embedded on the liquid adding seat (12), a pressure sensing probe (14), a CPU (central processing unit) processor (15) and a power supply (16), wherein the pressure sensing probe (14), the liquid suction pump (13) and the power supply (16) are respectively electrically connected with the CPU processor (15), a liquid adding groove (17) is formed in one side of the liquid adding seat (12), a pen cap (3) is sleeved in the liquid adding groove (17), the appearance of the pen cap (3) is identical to the shape of the liquid adding groove (17), the output end of the liquid suction pump (13) is communicated with a one-way valve (5), and the bottom end of the pen cap (3) is contacted with the pressure sensing probe (14).

2. The anti-dry bag type water color pen according to claim 1, wherein: inhale the output bonding of liquid pump (13) have connecting pipe (18), inhale liquid pump (13) and be linked together through connecting pipe (18) and check valve (5), it has liquid probe (19) to inlay on the lateral wall of connecting pipe (18), one side of CPU treater (15) is equipped with connecting module (20), one side of power supply (16) is equipped with interface (21) that charges, inlay respectively on liquid feeding seat (12) interface (21) and connecting module (20) that charge, liquid probe (19) and connecting module (20) respectively with CPU treater (15) electric connection, interface (21) and power supply (16) electric connection charge.

3. The dry-proof bag type water color pen according to claim 1, wherein: the pen holder (1) comprises a first section of rod (101) and a second section of rod (102) connected with the first section of rod (101), a pen cap (3) is detachably inserted on the outer side of the second section of rod (102), a rolling bag (4) is sleeved in the second section of rod (102), the first section of rod (101) comprises a fixed tube (1011), a limiting tube (1012) and a transition tube (1013) connected with the fixed tube (1011) and the limiting tube (1012), one side of the rolling bag (4) is abutted against the inner wall surface of the limiting tube (1012), the middle of the pen head (2) is inserted and fixed in the fixed tube (1011), the pen head (2) is in interference connection with the fixed tube (1011), one side of the pen head (2) is inserted in the rolling bag (4), a pen cap (22) is sleeved on the outer side of the pen head (2), and the pen cap (22) is detachably inserted and connected on the outer side of the first section of rod (101).

4. The dry-resistant bag-type water color pen according to claim 3, wherein: the middle part of pen cap (22) bond the cover and be equipped with one side open-ended and prevent dry a section of thick bamboo (221), prevent dry a section of thick bamboo (221) suit on fixed pipe (1011), prevent that the internal diameter of dry a section of thick bamboo (221) is identical with the external diameter of fixed pipe (1011), prevent dry a section of thick bamboo (221) and pen cap (22) structure as an organic whole, the axial cross-section of spacing pipe (1012) is trapezium structure, and the bottom of spacing pipe (1012) contacts with the one end of second section pole (102), and the bottom diameter of spacing pipe (1012) is not less than the top diameter of spacing pipe (1012), and the one end of rolling bag (4) closely cooperates with the top of spacing pipe (1012).

5. The anti-dry bag type water color pen according to claim 1, wherein: the rolling bag (4) comprises a waterproof outer film (401) and a water absorption layer (402) filled in the waterproof outer film (401), and two sides of the water absorption layer (402) are respectively contacted with the pen point (2) and the anti-drying plate (6).

6. The dry-proof bag type water color pen according to claim 1, wherein: the pen cap is characterized in that a sealing ring (23) is bonded on the inner side of the pen cap (3), the inner shape of the sealing ring (23) is matched with that of the pen cap (3), the sealing ring (23) is sleeved in the pen holder (1), and the sealing ring (23) is in interference connection with the pen holder (1).

7. The dry-proof bag type water color pen according to claim 1, wherein: prevent dry hole (7), baffle (8), leak protection board (9), the quantity of adjustment tank (11) and regulating plate (10) is two respectively, two prevent that dry hole (7) symmetry is seted up in the both sides of preventing dry board (6), two baffle (8) contact with two prevent dry hole (7) respectively, the aperture of preventing dry hole (7) is not more than the width of baffle (8), the both ends of two baffle (8) are equallyd divide and are do not bond on the inner wall of two leak protection boards (9), the one end of two regulating plate (10) bonds respectively at the outer wall middle part of two leak protection boards (9), the both sides in pen-holder (1) are seted up to two adjustment tank (11) symmetry, two regulating plate (10) suit respectively in two adjustment tank (11).

8. The anti-dry bag type water color pen according to claim 1, wherein: the side wall of the pen holder (1) is provided with an observation groove (24), the observation groove (24) is arranged between the dry-proof plate (6) and the pen cap (3), an observation plate (25) is embedded in the observation groove (24), the observation plate (25) is of a plate-shaped structure made of transparent materials, and the shape of the observation plate (25) is matched with the internal shape of the observation groove (24).