The content of the invention
The purpose of the present invention is:There is provided a kind of ink reservoir volume can be effectively improved greatly the white board marker of ink supply efficiency.
The technical scheme is that:A kind of pen with ink-feeding tube, mainly by penholder 1, the cap for brush 2, pen core 3 and ink group
Into described penholder is hollow, and ink is stored in penholder endoporus, and one end of penholder reduces to form nib 4, the other end and cap for brush phase
Even, pen core fixing hole is provided with along the axis of nib 4, pen core inserts pen core fixing hole and fixes from the outside to the core;Pen core fixing hole to
The direction projection of the cap for brush forms pen core fixed column 41, and described pen core fixed column is formed towards the edge of cap for brush one end to inner process
Pen core stop bit bead 42, the diameter of the diameter of bore less than pen core of pen core stop bit bead prevents pen core to block defeated from moving up
The port of export of black pipe;The described pen with ink-feeding tube also includes ink-feeding tube 5, the inking device and piston 6 being placed in the cap for brush;It is defeated
Black pipe 5 outwards expands towards the end face of nib one end and forms ink storage chamber 51, and ink storage chamber 51 is connected in pen away from the edge of ink-feeding tube 5
Core fixed column makes the ink in penholder to enter pen from ink storage chamber towards on the end face of cap for brush one end or in pen core stop bit bead
The endoporus of core fixed column;Ink-feeding tube 5 outwards expands the piston cylinder 52 for forming columnar hollow towards the end face of cap for brush one end, in penholder
1 is provided with the support frame 11 with centre bore near the inwall of the cap for brush, and the piston cylinder 52 of ink-feeding tube is located in the centre bore of support frame 11,
The wall of piston cylinder is provided with ink-feeding hole 521, and ink-feeding hole is connected with the endoporus of penholder;Fixed plate 21 is additionally provided with the cap for brush 2,
The piston fixed column 22 to cap for brush top boss is provided with fixed plate 21, is provided with parallel with fixed plate 21 in piston fixed column
Demarcation strip, demarcation strip is provided with piston fixing hole;Pressing key 7 is provided with the top of the cap for brush, described pressing bond energy is enough outside
Endoporus in the presence of power along the cap for brush is moved radially;Piston 6 enters piston cylinder from cap for brush one end, is formed closely with the piston inside wall of cylinder
Coordinate;Piston rod 61 passes through the piston fixing hole on demarcation strip from penholder one end, is then passed through spring 8, and end is fixed on pressing key 7
On inwall;Described one end of spring 8 pushes against the inwall of pressing key, and the other end enters piston fixed column 22 and pushes against demarcation strip;Do not press
During lower pressing key 7, piston 6 is moved upwardly into piston fixed column 22 towards in the endoporus of nib under the tension force effect of spring 8;
When needing ink supply, make nib down or incline down, after pressing pressing key, spring 8 is squeezed the Direction distortion to nib, presses
Pressure key 7 promotes piston 6 to be moved to nib in piston cylinder to the direction of nib, and the ink in piston cylinder is clamp-oned into ink-feeding tube 5, makes
Ink reaches ink storage chamber 51 and pen core fixed column endoporus, and the pen core 3 in pen core fixed column endoporus can just be drawn onto ink, real
Now to the ink supply of pen core 3, at this moment, negative pressure is formed in penholder, extraneous air enters by pressing the space between key and the cap for brush
In the cap for brush, then piston cylinder is entered by the space between piston rod and demarcation strip, and then penholder is entered by ink-feeding hole, make air pressure
Tend to balance, decontrol pressing key, under spring tension, pressing key and top from piston to the cap for brush reset, piston with
Negative pressure is formed in piston cylinder between ink-feeding tube, the partial air in penholder can enter piston and ink-feeding tube automatically by ink-feeding hole
Between piston cylinder in, reduce negative pressure;When piston is located between ink-feeding hole and pressing key, as long as, penholder. by nib upward
In ink will by ink-feeding hole flow into piston cylinder in, be that ink supply is ready next time;Ink storage chamber and pen core stop bit bead
Between connected by the way of being fixedly connected;Wall and demarcation strip towards nib one of the described fixed plate 21 towards nib one end
Height of the distance of the wall at end more than or equal to piston;In piston rod 61 and piston fixing hole inwall and piston rod and sealing column
Inwall between be provided with the tooth form sealing ring 9 of multilayer parallel tooth.
Fixed bead outwardly is provided with the outer wall of piston cylinder, for fixing support rack;Piston cylinder is set to be located at penholder
Piston is set to enter piston cylinder on the center line of endoporus, during in order to assembling.
In pressing key towards being provided with the spring locating lugs raised to fixed plate direction, the one of spring on the wall of fixed plate
End is placed in spring locating lugs;Piston rod is provided with towards the wall of fixed plate fix bead, described piston in pressing key
Bar fixes bead axle centered on the central shaft for pressing key, and the end of piston rod is fixed on piston rod and fixes in bead.
Piston fixing hole forms sealing column 23 towards the edge of pressing key to the direction of pressing key is raised.
The locking cap 24 being connected through a screw thread with it is provided with sealing column 23.
Described ink-feeding hole 521 is positioned close on the wall of the piston cylinder 52 in penholder of fixed plate 21.
The tooth of tooth form sealing ring is inclined from the cap for brush to the direction of ink-feeding tube.
Beneficial effect
1st, ink is supplied to ink storage chamber by piston, improves ink supply situation, reduce disconnected ink phenomenon, make to write more smooth;
2nd, can be repeatedly plus black, extend the service life of white board marker.
Specific embodiment
As depicted in figs. 1 and 2, a kind of pen with ink-feeding tube, is mainly made up of, institute penholder 1, the cap for brush 2, pen core 3 and ink
The penholder stated is hollow, and ink is stored in penholder endoporus, and one end of penholder reduces to form nib 4, and the other end is connected with the cap for brush.
As shown in Figure 2 and Figure 5, the described pen with ink-feeding tube also includes ink-feeding tube 5, the inking device being placed in the cap for brush
With piston 6.
As shown in figure 4, being provided with pen core fixing hole along the axis of nib 4, pen core inserts pen core fixing hole and consolidates from the outside to the core
It is fixed;Pen core fixing hole is raised to the direction of the cap for brush to form pen core fixed column 41, and described pen core fixed column is towards cap for brush one end
Edge forms pen core stop bit bead 42 to inner process, and the diameter of the diameter of bore less than pen core of pen core stop bit bead makes pen core not
The port of export for blocking ink-feeding tube can be moved up;Ink-feeding tube 5 outwards expands towards the end face of nib one end and forms ink storage chamber 51, stores up
Black chamber 51 is connected in pen core fixed column towards on the end face of cap for brush one end or in pen core stop bit bead away from the edge of ink-feeding tube 5,
The ink in penholder is set to enter the endoporus of pen core fixed column from ink storage chamber.When ink enters ink storage chamber 51 by ink-feeding tube,
As long as nib is down, ink will flow into pen core fixed column endoporus, soak pen core.Because pen core is typically with hygroscopic material
Material makes, and ink can be diffused into up to the pen core top outside nib automatically along pen core such that it is able to be write.Ink storage chamber with
Between pen core fixed column or pen core stop bit bead by the way of being fixedly connected, prevent ink from being flowed back to from gap between the two
In penholder, to ensure that pen core can obtain the ink feed of abundance.
As shown in figure 3, ink-feeding tube 5 outwards expands the piston cylinder 52 for forming columnar hollow towards the end face of cap for brush one end,
Penholder 1 is provided with the support frame 11 with centre bore near the inwall of the cap for brush, and the piston cylinder 52 of ink-feeding tube is located at the center of support frame 11
In hole, the wall of piston cylinder is provided with ink-feeding hole 521, and ink-feeding hole is connected with the endoporus of penholder;Fixation is additionally provided with the cap for brush 2
Plate 21, is provided with the piston fixed column 22 to cap for brush top boss in fixed plate 21, is provided with piston fixed column and fixed plate
21 parallel demarcation strips, demarcation strip is provided with piston fixing hole.
Pressing key 7 is provided with the top of the cap for brush, described presses bond energy enough in the presence of external force along the internal orifice dimension of the cap for brush
To movement;Piston 6 enters piston cylinder from cap for brush one end, is formed with the piston inside wall of cylinder and is fitted close;Piston rod 61 is from penholder one end
Through the piston fixing hole on demarcation strip, spring 8 is then passed through, end is fixed on the pressing inwall of key 7;Described one end of spring 8
The inwall of pressing key is pushed against, the other end enters piston fixed column 22 and pushes against demarcation strip;When not pressing pressing key 7, piston 6 is in spring
Piston fixed column 22 is moved upwardly under 8 tension force effect towards in the endoporus of nib.
When needing ink supply, nib is first allowed upward, the ink in penholder is entered piston cylinder by ink-feeding hole, then make nib court
Lower or incline down, after pressing pressing key, spring 8 is squeezed the Direction distortion to nib, and pressing key 7 is pushed away to the direction of nib
Piston 6 is moved in piston cylinder to nib, and the ink in piston cylinder is clamp-oned into ink-feeding tube 5, ink is reached the He of ink storage chamber 51
Pen core fixed column endoporus, the pen core 3 in pen core fixed column endoporus can just be drawn onto ink, realize the ink supply to pen core 3, this
When, negative pressure is formed in penholder, extraneous air is entered in the cap for brush by pressing the space between key and the cap for brush, then by piston rod
Space between demarcation strip enters piston cylinder, and then enters penholder by ink-feeding hole, air pressure is tended to balance, and decontrols pressing
Key, under spring tension, pressing key and piston reset to the top of the cap for brush, the piston cylinder between piston and ink-feeding tube
Interior formation negative pressure, in the piston cylinder that the partial air in penholder can enter between piston and ink-feeding tube automatically by ink-feeding hole, makes
Negative pressure reduces.In the reset state, piston is located in the piston cylinder between ink-feeding hole and pressing key, will not block ink-feeding hole.
When piston is located between ink-feeding hole and pressing key, as long as, the ink in penholder will be by entering by nib upward
Ink hole is flowed into piston cylinder, is that ink supply is ready next time.
As shown in Figure 6 and Figure 7, piston fixing hole forms sealing column towards the edge of pressing key to the direction of pressing key is raised
23, the tooth of multilayer parallel tooth is provided between piston rod 61 and piston fixing hole inwall and piston rod and the inwall of sealing column
Shape sealing ring 9, the tooth of tooth form sealing ring is inclined from the cap for brush to the direction of ink-feeding tube.During piston reset, if piston
There is ink between demarcation strip, can be flowed back in penholder by ink-feeding hole, or work is flowed to by the space between piston and piston cylinder
In piston cylinder between plug and ink-feeding tube, due to being provided with tooth form sealing ring 9, ink is set to cannot pass through the sky of piston rod and demarcation strip
In the cap for brush that clearance flow is entered above demarcation strip, extraneous air can squeeze tooth form sealing ring 9 and enter in piston cylinder.
The locking cap 24 being connected through a screw thread with it is provided with sealing column 23.
Described ink-feeding hole 521 is positioned close on the wall of the piston cylinder 52 in penholder of fixed plate 21.
Described fixed plate 21 is more than towards the distance of the wall of the wall with demarcation strip towards nib one end of nib one end
Or equal to the height of piston.
Aperture and the aperture of filling black chamber of the diameter of bore of described ink-feeding tube less than piston cylinder.Born when being formed in piston cylinder
During pressure, the part ink in ink-feeding tube can flow backwards and return in piston cylinder, because ink-feeding tube is thinner and more long, the negative pressure in piston cylinder
The resorption power that the ink in piston cylinder ink-feeding tube farther out of adjusting the distance is formed will be reduced, also, due to the sectional area of ink storage chamber
More than the sectional area of ink-feeding tube, the ink of ink storage chamber is difficult to be drawn back into piston cylinder.Due to pen core have density higher and
Preferable solid water, ink in pen core is very low due to the possibility that the negative pressure in piston cylinder is returned in piston cylinder by suck-back.Only
Have under the promotion of piston, ink is squeezed into ink storage chamber from piston cylinder, in turn, during piston reset, in Chu Sai chambers
Ink is difficult to return to piston cylinder by ink-feeding tube.In the case where piston is motionless, white board marker be internally formed one it is relatively stable
Poised state, the ink in piston cylinder is also difficult to flow to ink storage chamber by ink-feeding tube, so that ink storage chamber can be constantly pen core
Supply ink, only when not having ink in ink storage chamber, just needs pressing pressing key, and ink is shifted onto from plunger shaft by piston
Ink storage chamber, realizes ink supply.
Fixed bead outwardly is provided with the outer wall of piston cylinder, for fixing support rack;Piston cylinder is set to be located at penholder
Piston is set to enter piston cylinder on the center line of endoporus, during in order to assembling.
As shown in fig. 6, prominent towards the spring positioning raised to fixed plate direction is provided with the wall of fixed plate in pressing key
Edge, one end of spring is placed in spring locating lugs;Piston rod is provided with towards the wall of fixed plate fix bead in pressing key,
Described piston rod fixes bead axle centered on the central shaft for pressing key, and the end of piston rod is fixed on piston rod and fixes bead
It is interior.During assembling, piston rod enters piston rod from piston cylinder to the direction of pressing key to be fixed in bead, and is made by modes such as welding
Both form a fixed connection.
Penholder is made in order to observe ink reservoir volume using transparent material.
Above-described embodiment is intended merely to interpretation purposes of the invention, and is not limitation of the present invention, this technology
The those of ordinary skill in field, in essential scope of the invention, makes a variety of changes or substitutes, and should also belong to guarantor of the invention
Shield category.