CN209426412U - Liquid chalk without water break during writing - Google Patents

Abstract

The utility model discloses a liquid chalk of uninterrupted water when writing, including the pen tube, the left surface fixedly connected with fixed block of pen tube, the jack has been seted up at the middle part of fixed block, the inside of jack is pegged graft and is had the nib, the right-hand member of nib runs through the pen tube and extends to the inside of pen tube, the right-hand member opening female connection of pen tube has the closing disc. This liquid chalk of not cutting off water when writing, through on the stopper with spacing inslot difference fixedly connected with first contact and second contact, the end of intaking through miniature direct current pump passes through inlet tube and liquid tank intercommunication, the nib receives pressure, when first contact and second contact, miniature direct current pump can take out pigment and spout to the filter screen, guarantee that the sponge piece can absorb pigment, unnecessary pigment passes through communicating pipe and reenters the liquid tank in, and then guarantee that the nib always contacts with pigment when writing, under the abundant condition of pigment in the liquid tank, the nib can not cut off the water, the problem of proposing in the background art has been solved.

Description

Liquid chalk without water break during writing

Technical Field

The utility model relates to a liquid chalk technical field specifically is a liquid chalk of not cutting off water when writing.

Background

The liquid chalk is also called the blackboard writing pen, and it is nontoxic harmless noiselessness no dust flies upward, green, sanitation and hygiene, writes fluently, and the writing is clear, and the color and luster is bright, cleans easily, recycles (liquid can be irritated, the nib interchangeable), and the protection audio-visual education equipment saves the spending, especially is favorable to teachers and students healthy.

The existing liquid chalk absorbs the pigment by contacting one end of the pen point in the pen tube with the pigment when writing, the situation that the pen point cannot be contacted with the pigment can occur due to the shaking of the pigment when writing, the pen point is easy to break off water, and the writing cannot be carried out smoothly, so that the classroom teaching quality is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a liquid chalk of uninterrupted water when writing has solved the problem that current liquid chalk easily breaks water when writing.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a liquid chalk of uninterrupted water when writing, includes the pen tube, the left surface fixedly connected with fixed block of pen tube, the jack has been seted up at the middle part of fixed block, the inside of jack is pegged graft and is had the nib, the right-hand member of nib runs through the pen tube and extends to the inside of pen tube, the right-hand member opening female connection of pen tube has a closing disc, the right flank fixedly connected with of closing disc twists the left surface of dish, the left surface of twisting the dish still contacts with the right-hand member of pen tube, the spacing groove has been seted up on the inner wall of jack, the inside sliding connection of spacing groove has the stopper, swing joint has the spring between the right flank of stopper and the interior right wall of spacing groove, the right flank fixedly connected with first contact of stopper, the position fixedly connected with second contact that corresponds first contact on the spacing inslot right wall, and first contact and second contact all are located the inside of spring.

The pen is characterized in that a sponge block is inserted into the pen tube, the left side face of the sponge block is in contact with the right end of the pen point, a filter screen is further bonded on the inner wall of the pen tube, the left side face of the filter screen is in contact with the right side face of the sponge block, a partition board is fixedly connected to the inside of the pen tube and located on the right side of the filter screen, a liquid tank is fixedly mounted on the inner bottom wall of the pen tube and located on the right side of the partition board, a discharge end of a material injection pipe is fixedly communicated with the bottom wall of the liquid tank, the feed end of the material injection pipe penetrates through the bottom wall of the pen tube and extends to the outside of the pen tube, a pipe plug is connected to the feed end of the material injection pipe in a threaded manner, a miniature direct-current pump is fixedly mounted on the right side of the liquid tank and located on the inner wall of the pen tube, a battery holder is fixedly mounted on the right side of the pen tube and located on the right side of the liquid tank, a battery holder is connected to the battery, a water inlet end of the miniature direct-current pump penetrates through the right wall of the liquid tank and communicates with the inside of the liquid tank, a partition board extends to the partition board, and a water outlet end of the partition board is communicated with the partition board.

Preferably, the first contact is electrically connected with one electrode of the micro direct current water pump, the other electrode of the micro direct current water pump is electrically connected with one electrode of the battery, and the other electrode of the battery is electrically connected with the second contact.

Preferably, the miniature direct-current water pump is a DC series water pump, and the working voltage range is-V.

Preferably, the battery is a laminated battery, and the voltage of the battery is.

Preferably, the limiting block is located at the left end of the limiting groove, the first contact is not in contact with the second contact, and the water outlet end of the miniature direct-current water pump is located above the water inlet end of the communicating pipe.

Preferably, the water inlet end of the water inlet pipe is fixedly communicated with one end of a four-way pipe, one end, far away from the water inlet pipe, of the four-way pipe is fixedly communicated with one end of a three-way pipe, and the other two ends of the four-way pipe and the other two ends of the three-way pipe respectively extend to the top and the bottom of the liquid tank.

(III) advantageous effects

The utility model provides a liquid chalk of uninterrupted water when writing possesses following beneficial effect:

(1) The liquid chalk of uninterrupted water when should writing, through on the stopper with spacing inslot difference fixedly connected with first contact and second contact, the end of intaking through miniature direct current pump passes through inlet tube and liquid tank intercommunication, the nib receives pressure, when first contact and second contact, miniature direct current pump can take out pigment and spout to the filter screen, guarantee that the sponge piece can absorb pigment, unnecessary pigment passes through communicating pipe and reenters the liquid tank, and then guarantee that the nib always contacts with pigment when writing, under the abundant condition of pigment in the liquid tank, the nib can not be interrupted water, the problem of proposing in the background art has been solved.

(2) This liquid chalk of not cutting off water when writing, the one end that has the four-way pipe through the fixed intercommunication of the end of intaking of inlet tube, the fixed intercommunication of one end that the inlet tube was kept away from to the four-way pipe has the one end of three-way pipe, top and bottom that do not extend to the liquid incasement are equallyd divide to the other both ends of four-way pipe and three-way pipe, make the inlet tube absorb the pigment of a plurality of positions in the liquid incasement, avoid making the unable normal extraction pigment of miniature direct current water pump because of the angle change of pen tube, make this liquid chalk can adapt to various application angles.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 4 is a schematic diagram of the circuit structure of the present invention.

In the figure: the device comprises a pen tube 1, a fixing block 2, a jack 3, a pen point 4, a sealing disc 5, a twisting disc 6, a limiting groove 7, a limiting block 8, a spring 9, a first contact 10, a second contact 11, a sponge block 12, a filter screen 13, a partition plate 14, a liquid tank 15, a material injection tube 16, a tube plug 17, a miniature direct-current water pump 18, a battery seat 19, a water inlet tube 20, a communicating tube 21, a four-way tube 22, a three-way tube 23 and a battery 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a liquid chalk without water break during writing comprises a pen tube 1, a fixed block 2 is fixedly connected to the left side face of the pen tube 1, a jack 3 is arranged in the middle of the fixed block 2, a pen point 4 is inserted into the jack 3, the right end of the pen point 4 penetrates through the pen tube 1 and extends into the pen tube 1, a sealing disc 5 is connected to the opening of the right end of the pen tube 1 in a threaded manner, the left side face of the sealing disc 5 is fixedly connected with the left side face of a screwing disc 6, the left side face of the screwing disc 6 is also contacted with the right end of the pen tube 1, the sealing disc 5 can be taken down from the pen tube 1 by screwing the screwing disc 6 to operate the interior of the pen tube 1, a limit groove 7 is arranged on the inner wall of the jack 3, limiting groove 7's inside sliding connection has stopper 8, swing joint has spring 9 between stopper 8's the right flank and limiting groove 7's the interior right wall, stopper 8's the first contact 10 of right flank fixedly connected with, correspond the position fixedly connected with second contact 11 of first contact 10 on the limiting groove 7 interior right wall, and first contact 10 and second contact 11 all are located spring 9's inside, 4 touching blackboards of nib, the user presses nib 4 to write, when pressing, stopper 8 is at the motion of limiting groove 7, the spring 9 compression, first contact 10 contacts with second contact 11, make miniature direct current pump 18 circular telegram work.

The inside of pencil 1 is pegged graft and is had sponge piece 12, the left surface of sponge piece 12 and the right-hand member contact of nib 4, filter screen 13 has still been bonded on the inner wall of pencil 1, the left surface of filter screen 13 and the right flank contact of sponge piece 12, filter screen 13 help sponge piece 12 is spacing, keep the position of sponge piece 12, make it contact with nib 4 always, the inside of pencil 1 and the right side fixedly connected with baffle 14 that is located filter screen 13, the interior diapire of pencil 1 and the right side fixed mounting who is located baffle 14 have liquid tank 15, the fixed intercommunication of diapire of liquid tank 15 has the discharge end of notes material pipe 16, the feed end of notes material pipe 16 runs through the diapire of pencil 1 and extends to the outside of pencil 1, and the feed end threaded connection of notes material pipe 16 has stopcock 17, it can pour into pigment into in the liquid tank 15 to open stopcock 17, the inner wall of pencil 1 is located the right side of liquid tank 15 and still fixed mounting has miniature direct current pump 18, miniature direct current pump 18's definition: generally, a machine for lifting liquid, conveying liquid or increasing pressure of liquid, namely converting mechanical energy of a prime mover into liquid energy to achieve the purpose of pumping and conveying liquid is generally called a pump, the pump is small in size and suitable for being used on liquid chalk, a first contact 10 is electrically connected with one electrode of a micro direct current water pump 18, the other electrode of the micro direct current water pump 18 is electrically connected with one electrode of a battery 24, the other electrode of the battery 24 is electrically connected with a second contact 11, the micro direct current water pump 18 is a DC30 series water pump, the size is 34mmx36mmx39mm, the working voltage range is 4.5-12V, the pump has the advantages that the pump is long in service life, maintenance is not needed, the volume is small, the efficiency is high, the power consumption is low, the battery 24 is a laminated battery, the laminated battery is a high-voltage battery pack formed by assembling flat single zinc-manganese batteries according to a certain mode, the positive electrode and the negative electrode are both in a sheet shape, and an isolating layer is arranged between the positive electrode and the negative electrode, the single battery is formed, the voltage of the miniature direct current water pump 18 is easily adapted, a plurality of common dry batteries are not needed to be connected in series, the voltage of the battery 24 is 4.5V, the inner wall of the pen tube 1 is positioned at the right side of the miniature direct current water pump 18 and is also fixedly provided with a battery seat 19, the battery seat 19 is connected with the battery 24 in a clamping way, the battery 24 is used for supplying power to the miniature direct current water pump 18, the water inlet end of the miniature direct current water pump 18 is fixedly communicated with the water outlet end of a water inlet pipe 20, the water inlet end of the water inlet pipe 20 penetrates through the right wall of the liquid tank 15 and is communicated with the inside of the liquid tank 15, the water outlet end of the miniature direct current water pump 18 penetrates through the partition plate 14 and extends to a position between the partition plate 14 and the filter screen 13, the water outlet end of a communicating pipe 21 is fixedly communicated with the left wall of the liquid tank 15, the limiting block 8 is positioned at the left end of the limiting groove 7, the first contact 10 is not contacted with the second contact 11, when the limiting block 8 moves and the spring 9 is compressed, the miniature direct current pump 18 can take out pigment and spout to filter screen 13, guarantee that sponge piece 12 can absorb pigment, unnecessary pigment passes through communicating pipe 21 and gets into in liquid case 15 again, and then guarantee that nib 4 always contacts with pigment when writing, under the abundant condition of pigment in liquid case 15, nib 4 can not cut off the water, the problem that proposes in the background art has been solved, the play water end of miniature direct current pump 18 is located the top of the end of intaking of communicating pipe 21, the end of intaking of communicating pipe 21 runs through baffle 14 and extends to between baffle 14 and the filter screen 13, the one end that the end of intaking pipe 20 was fixed to be communicated with four-way pipe 22, the one end that the inlet tube 20 was kept away from to four-way pipe 22 is fixed to be communicated with the one end of three-way pipe 23, the top and the bottom in liquid case 15 are equallyd divide to the other both ends of four-way pipe 22 and three-way pipe 23, make inlet tube 20 can absorb the pigment in the liquid case 15 at multiple positions, avoid making miniature direct current pump 18 can's unable normal pigment of drawing because of the change of the angle of pen pipe 1, make this liquid can adapt to various use angles.

During the use, the user opens stopcock 17 and injects pigment into liquid tank 15, screw up stopcock 17 again, handheld pen pipe 1, nib 4 touching blackboard, the user presses nib 4 and writes, when pressing, stopper 8 moves in spacing groove 7, spring 9 compresses, first contact 10 and the contact of second contact 11, miniature direct current pump 18 circular telegram, miniature direct current pump 18 extracts pigment from liquid tank 15 and lets in between filter screen 13 and the baffle 14, the pigment is separated filter screen 13 absorption part back by communicating pipe 21 and flows back to liquid tank 15 behind the sponge piece 12, nib 4 absorbs pigment from sponge piece 12, this process is circulated always when writing.

To sum up, this liquid chalk that does not cut off water when writing, through on stopper 8 and in spacing groove 7 respectively fixedly connected with first contact 10 and second contact 11, the end of intaking through miniature DC pump 18 passes through inlet tube 20 and liquid tank 15 intercommunication, pressure is received to nib 4, when first contact 10 and second contact 11 contact, miniature DC pump 18 can take out pigment and spout to filter screen 13, guarantee that sponge piece 12 can absorb pigment, unnecessary pigment passes through communicating pipe 21 and gets into liquid tank 15 again, and then guarantees nib 4 and pigment contact always when writing, under the abundant condition of pigment in liquid tank 15, nib 4 can not cut off water, the problem of proposing in the background art has been solved.

This liquid chalk of not cutting off water when writing, the fixed intercommunication of the end of intaking through inlet tube 20 has the one end of four-way pipe 22, the fixed intercommunication of the one end that inlet tube 20 was kept away from to four-way pipe 22 has the one end of three-way pipe 23, top and bottom in respectively extending to liquid tank 15 are equallyd divide at the other both ends of four-way pipe 22 and three-way pipe 23, make inlet tube 20 can absorb the pigment of a plurality of positions in liquid tank 15, avoid making the unable normal extraction pigment of miniature direct current pump 18 because of the angle change of pen tube 1, make this liquid chalk can adapt to various application angles.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a liquid chalk of uninterrupted water when writing, includes pen tube (1), left surface fixedly connected with fixed block (2) of pen tube (1), jack (3) have been seted up at the middle part of fixed block (2), the inside of jack (3) is pegged graft and is had nib (4), the right-hand member of nib (4) runs through pen tube (1) and extends to the inside of pen tube (1), the right-hand member opening female connection of pen tube (1) has closing disc (5), the left surface of right flank fixedly connected with twisting disc (6) of closing disc (5), the left surface of twisting disc (6) still contacts with the right-hand member of pen tube (1), its characterized in that: a limiting groove (7) is formed in the inner wall of the jack (3), a limiting block (8) is connected to the inside of the limiting groove (7) in a sliding mode, a spring (9) is movably connected between the right side face of the limiting block (8) and the inner right wall of the limiting groove (7), a first contact (10) is fixedly connected to the right side face of the limiting block (8), a second contact (11) is fixedly connected to the position, corresponding to the first contact (10), of the inner right wall of the limiting groove (7), and the first contact (10) and the second contact (11) are located inside the spring (9);

a sponge block (12) is inserted into the pen tube (1), the left side surface of the sponge block (12) is in contact with the right end of the pen point (4), a filter screen (13) is further bonded on the inner wall of the pen tube (1), the left side surface of the filter screen (13) is in contact with the right side surface of the sponge block (12), a partition plate (14) is fixedly connected to the right side of the filter screen (13) and inside the pen tube (1), a liquid tank (15) is fixedly mounted on the inner bottom wall of the pen tube (1) and on the right side of the partition plate (14), the bottom wall of the liquid tank (15) is fixedly communicated with a discharge end of a material injection tube (16), and the feed end of the material injection tube (16) penetrates through the bottom wall of the pen tube (1) and extends to the outside of the pen tube (1), a pipe plug (17) is in threaded connection with the feed end of the material injection pipe (16), a miniature direct-current water pump (18) is fixedly installed on the right side, located on the liquid tank (15), of the inner wall of the pen tube (1), a battery seat (19) is fixedly installed on the right side, located on the miniature direct-current water pump (18), of the inner wall of the pen tube (1), a battery (24) is connected in a clamping mode in the battery seat (19), the water inlet end of the miniature direct-current water pump (18) is fixedly communicated with the water outlet end of a water inlet pipe (20), the water inlet end of the water inlet pipe (20) penetrates through the right wall of the liquid tank (15) and is communicated with the interior of the liquid tank (15), the water outlet end of the miniature direct-current water pump (18) penetrates through the partition plate (14) and extends to a position between the partition plate (14) and the filter screen (13), the water outlet end of a communicating pipe (21) is fixedly communicated with the left wall of the liquid tank (15), and the water inlet end of the communicating pipe (21) penetrates through the partition plate (14) and extends to a position between the partition plate (14) and the filter screen (13).

2. The liquid chalk which can keep water continuous when writing according to claim 1, wherein: the first contact (10) is electrically connected with one electrode of the miniature direct-current water pump (18), the other electrode of the miniature direct-current water pump (18) is electrically connected with one electrode of the battery (24), and the other electrode of the battery (24) is electrically connected with the second contact (11).

3. The liquid chalk capable of keeping water continuous during writing according to claim 1, characterized in that: the miniature direct-current water pump (18) is a DC30 series water pump, and the working voltage range is 4.5-12V.

4. The liquid chalk which can keep water continuous when writing according to claim 1, wherein: the battery (24) is a laminated battery, and the voltage of the battery (24) is 4.5V.

5. The liquid chalk which can keep water continuous when writing according to claim 1, wherein: the limiting block (8) is located at the left end of the limiting groove (7), the first contact (10) is not in contact with the second contact (11), and the water outlet end of the miniature direct-current water pump (18) is located above the water inlet end of the communicating pipe (21).

6. The liquid chalk which can keep water continuous when writing according to claim 1, wherein: the water inlet end of the water inlet pipe (20) is fixedly communicated with one end of a four-way pipe (22), one end, far away from the water inlet pipe (20), of the four-way pipe (22) is fixedly communicated with one end of a three-way pipe (23), and the other two ends of the four-way pipe (22) and the other two ends of the three-way pipe (23) are respectively extended to the top and the bottom of the liquid tank (15).