Summary of the invention
It is an object of the invention to: provide a kind of ink reservoir volume can be effectively improved greatly the white board marker of ink supply efficiency.
The technical scheme is that the pen of a kind of band ink-feeding tube, be mainly made up of penholder 1, the cap for brush 2, pen core 3 and ink, institute
The penholder hollow stated, ink is stored in penholder endoporus, and one end of penholder reduces formation nib 4, and the other end is connected with the cap for brush, along pen
The axis of point 4 is provided with pen core fixing hole, and pen core inserts pen core fixing hole from the outside to the core and fixes;Pen core fixing hole is prominent to the direction of the cap for brush
Playing formation pen core and fix post 41, described pen core fixes the post edge towards cap for brush one end to inner process formation pen core stop bit bead 42, pen
The diameter of bore of core stop bit bead, less than the diameter of pen core, makes pen core can not move up the port of export of blocking ink-feeding tube;Described band is defeated
The pen of ink pipe also includes ink-feeding tube 5, the inking device being placed in the cap for brush and piston 6;Ink-feeding tube 5 is outside towards the end face of nib one end
Expand and form ink storage chamber 51, ink storage chamber 51 away from the edge of ink-feeding tube 5 be connected in pen core fix post towards on the end face of cap for brush one end or
In pen core stop bit bead, make the ink in penholder can only enter pen core from ink storage chamber and fix the endoporus of post;Ink-feeding tube 5 is towards cap for brush one end
End face outwards expand the piston cylinder 52 forming columnar hollow, be provided with the bracing frame 11 of band centre bore at penholder 1 near the inwall of the cap for brush,
The piston cylinder 52 of ink-feeding tube is positioned at the centre bore of bracing frame 11, and the wall of piston cylinder is provided with ink-feeding hole 521, ink-feeding hole and penholder
Endoporus be connected;In the cap for brush 2, it is additionally provided with fixed plate 21, fixed plate 21 is provided with the piston to cap for brush top boss and fixes post
22, in piston fixes post, it is provided with the demarcation strip parallel with fixed plate 21, demarcation strip is provided with piston fixing hole;Set on the top of the cap for brush
Pressing key 7, the described enough endoporus under the effect of external force along the cap for brush of pressing bond energy is had to move radially;Piston 6 enters from cap for brush one end
Piston cylinder, is formed with piston cylinder inwall and closely cooperates;Piston rod 61, is then passed through through the piston fixing hole demarcation strip from penholder one end
Spring 8, end is fixed on pressing key 7 inwall;Described spring 8 one end pushes against the inwall of pressing key, and it is solid that the other end enters piston
Fixed column 22 pushes against demarcation strip;When not pressing pressing key 7, piston 6 is moved upwardly into piston under the tension force effect of spring 8 and fixes post
22 towards in the endoporus of nib;When needing ink supply, make nib down or tilt down, press pressing key after, spring 8 be squeezed to
The Direction distortion of nib, pressing key 7 promotes piston 6 to move to nib in piston cylinder, by the ink in piston cylinder to the direction of nib
Clamp-on ink-feeding tube 5, make ink arrive ink storage chamber 51 and pen core and fix post endoporus, be positioned at the pen core 3 that pen core fixes in post endoporus and just can
Being drawn onto ink, it is achieved the ink supply to pen core 3, at this moment, form negative pressure in penholder, extraneous air is by between pressing key and the cap for brush
Space enters in the cap for brush, then enters piston cylinder by the space between piston rod and demarcation strip, and then enters penholder by ink-feeding hole, makes
Air pressure tends to balance, decontrol pressing key, under spring tension, pressing key and piston to the top of the cap for brush reset, piston with
Forming negative pressure in piston cylinder between ink-feeding tube, the partial air in penholder can enter between piston and ink-feeding tube automatically by ink-feeding hole
In piston cylinder, negative pressure is made to reduce;When piston is between ink-feeding hole and pressing key, as long as by nib upward, the ink in penholder is just
Can flow in piston cylinder by ink-feeding hole, ready for ink supply next time;Fixing connection is used between ink storage chamber with pen core stop bit bead
Mode connect;Described fixed plate 21 towards nib one end wall and demarcation strip towards the wall of nib one end distance more than or etc.
Height in piston;It is provided with multilayer parallel tooth between piston rod 61 and piston fixing hole inwall and piston rod and the inwall of sealing column
Profile of tooth sealing ring 9.
Outer wall at piston cylinder is provided with fixing bead outwardly, for fixing support rack;Piston cylinder is made to be positioned in penholder endoporus
On heart line, in order to make piston enter piston cylinder during assembling.
Being provided with the spring locating lugs raised to fixed plate direction at pressing key on the wall of fixed plate, one end of spring is placed in
In spring locating lugs;Being provided with piston rod at pressing key towards the wall of fixed plate and fix bead, described piston rod fixes bead to press
Axle centered by the central shaft of pressure key, the end of piston rod is fixed on piston rod and fixes in bead.
Piston fixing hole is towards the edge raised formation in the direction sealing column 23 to pressing key pressing key.
Sealing column 23 is provided with the locking cap 24 being threaded connection with it.
Described ink-feeding hole 521 is positioned close on the wall of the piston cylinder 52 being positioned at penholder of fixed plate 21.
The tooth of profile of tooth sealing ring tilts to the direction of ink-feeding tube from the cap for brush.
Beneficial effect
1, supply ink by piston to ink storage chamber, improve ink supply situation, reduce disconnected ink phenomenon, make to write the most smooth;
2, can repeatedly add ink, extend the service life of white board marker.
Detailed description of the invention
As depicted in figs. 1 and 2, the pen of a kind of band ink-feeding tube, mainly by penholder 1, the cap for brush2, pen core 3 and ink composition, described
Penholder hollow, ink is stored in penholder endoporus, one end of penholder reduce formation nib 4, the other end is connected with the cap for brush.
As shown in Figure 2 and Figure 5, the pen of described band ink-feeding tube also includes ink-feeding tube 5, the inking device being placed in the cap for brush and piston
6。
As shown in Figure 4, the axis along nib 4 is provided with pen core fixing hole, and pen core inserts pen core fixing hole from the outside to the core and fixes;Pen
Core fixing hole to the direction of the cap for brush raised formation pen core fix post 41, described pen core fixes the post edge towards cap for brush one end to inner process
Forming pen core stop bit bead 42, the diameter of bore of pen core stop bit bead, less than the diameter of pen core, makes pen core can not move up blocking inking
The port of export of pipe;Ink-feeding tube 5 outwards expands formation ink storage chamber 51 towards the end face of nib one end, and ink storage chamber 51 is away from ink-feeding tube 5
Edge is connected in pen core and fixes post towards on the end face of cap for brush one end or in pen core stop bit bead, makes the ink in penholder can only be from ink storage chamber
Enter pen core and fix the endoporus of post.When ink enters ink storage chamber 51 by ink-feeding tube, as long as nib is down, it is solid that ink will flow to pen core
Fixed column endoporus, soaks pen core.Making owing to pen core is typically with hygroscopic material, ink can automatically spread arrival and be positioned at along pen core
Pen core top outside nib such that it is able to write.Ink storage chamber is fixed with pen core and is used fixing connection between post or pen core stop bit bead
Mode, make ink can not flow back in penholder from gap between the two, with ensure pen core can obtain abundance ink feed.
As it is shown on figure 3, ink-feeding tube 5 towards cap for brush one end end face outwards expand formed columnar hollow piston cylinder 52, at penholder 1
Inwall near the cap for brush is provided with the bracing frame 11 of band centre bore, and the piston cylinder 52 of ink-feeding tube is positioned at the centre bore of bracing frame 11, piston
The wall of cylinder is provided with ink-feeding hole 521, and ink-feeding hole is connected with the endoporus of penholder;Fixed plate 21 it is additionally provided with, fixing in the cap for brush 2
The piston that plate 21 is provided with to cap for brush top boss fixes post 22, is provided with the demarcation strip parallel with fixed plate 21 in piston fixes post,
Demarcation strip is provided with piston fixing hole.
Be provided with pressing key 7 on the top of the cap for brush, the described enough endoporus under the effect of external force along the cap for brush of pressing bond energy move radially;Live
Plug 6 enters piston cylinder from cap for brush one end, is formed with piston cylinder inwall and closely cooperates;Piston rod 61 passes demarcation strip from penholder one end
Piston fixing hole, is then passed through spring 8, and end is fixed on pressing key 7 inwall;Described spring 8 one end pushes against the inwall of pressing key,
Other end entrance piston is fixed post 22 and is pushed against demarcation strip;When not pressing pressing key 7, piston 6 upwards moves under the tension force effect of spring 8
The dynamic piston that enters fixes post 22 towards in the endoporus of nib.
When needing ink supply, first allow nib upward, make the ink in penholder enter piston cylinder by ink-feeding hole, then make nib down or incline
Tiltedly the most down, after pressing pressing key, spring 8 is squeezed the Direction distortion to nib, and pressing key 7 promotes piston 6 to the direction of nib
Move to nib in piston cylinder, the ink in piston cylinder is clamp-oned ink-feeding tube 5, make ink arrive ink storage chamber 51 and pen core is fixed in post
Hole, is positioned at the pen core 3 that pen core fixes in post endoporus and just can be drawn onto ink, it is achieved the ink supply to pen core 3, at this moment, is formed in penholder
Negative pressure, extraneous air is entered in the cap for brush by the space between pressing key and the cap for brush, then by the space between piston rod and demarcation strip
Enter piston cylinder, and then enter penholder by ink-feeding hole, make air pressure tend to balance, decontrol and press key, under spring tension,
Pressing key and piston reset to the top of the cap for brush, form negative pressure, the partial air in penholder in the piston cylinder between piston and ink-feeding tube
Can enter in the piston cylinder between piston and ink-feeding tube automatically by ink-feeding hole, make negative pressure reduce.In the reset state, piston be positioned at into
In piston cylinder between ink hole and pressing key, ink-feeding hole will not be blocked.
When piston is between ink-feeding hole and pressing key, as long as by nib upward, the ink in penholder will be flowed into by ink-feeding hole
In piston cylinder, ready for ink supply next time.
As shown in Figure 6 and Figure 7, piston fixing hole is raised to the direction pressing key towards the edge pressing key forms sealing column 23,
The profile of tooth sealing ring 9 of multilayer parallel tooth it is provided with between piston rod 61 and piston fixing hole inwall and piston rod and the inwall of sealing column,
The tooth of profile of tooth sealing ring tilts to the direction of ink-feeding tube from the cap for brush.During piston reset, if there being ink between piston and demarcation strip
Water, can be flowed back in penholder by ink-feeding hole, or flows to the piston cylinder between piston and ink-feeding tube by the space between piston and piston cylinder
In, owing to being provided with profile of tooth sealing ring 9, the space making ink cannot pass through piston rod and demarcation strip flows in the cap for brush above demarcation strip,
Extraneous air can squeeze profile of tooth sealing ring 9 and enter in piston cylinder.
Sealing column 23 is provided with the locking cap 24 being threaded connection with it.
Described ink-feeding hole 521 is positioned close on the wall of the piston cylinder 52 being positioned at penholder of fixed plate 21.
Described fixed plate 21 towards wall and the demarcation strip of nib one end towards the distance of the wall of nib one end more than or equal to piston
Height.
The diameter of bore of described ink-feeding tube is less than the aperture of piston cylinder and the aperture filling black chamber.When forming negative pressure in piston cylinder, defeated
The part ink of Mo Guanzhong can flow backwards and return in piston cylinder, and owing to ink-feeding tube is thinner and longer, the negative pressure in piston cylinder is adjusted the distance piston cylinder
The resorption power that ink in ink-feeding tube farther out is formed will reduce, and, owing to the sectional area of ink storage chamber is more than the sectional area of ink-feeding tube,
The ink of ink storage chamber is difficult to be drawn back in piston cylinder.Owing to pen core has higher density and preferable solid water, the ink in pen core
The possibility returned in piston cylinder by suck-back due to the negative pressure in piston cylinder is the lowest.Only under the promotion of piston, ink just can be made from work
Plug cylinder is squeezed into ink storage chamber, and in turn, during piston reset, the ink in Chu Sai chamber is difficult to return to piston cylinder by ink-feeding tube.At piston
In the case of motionless, white board marker is internally formed a relatively stable poised state, and the ink in piston cylinder is also difficult to by ink-feeding tube stream
To ink storage chamber, thus ink storage chamber can supply ink for pen core constantly, only when not having ink in ink storage chamber, just needs pressing to press
Pressure key, shifts ink storage chamber ink from plunger shaft by piston, it is achieved ink supply.
Outer wall at piston cylinder is provided with fixing bead outwardly, for fixing support rack;Piston cylinder is made to be positioned in penholder endoporus
On heart line, in order to make piston enter piston cylinder during assembling.
As shown in Figure 6, on the wall of fixed plate, it is provided with the spring locating lugs raised to fixed plate direction, spring at pressing key
One end be placed in spring locating lugs;It is provided with piston rod at pressing key towards the wall of fixed plate and fixes bead, described piston rod
Fixing bead axle centered by the central shaft of pressing key, the end of piston rod is fixed on piston rod and fixes in bead.During assembling, piston rod
Fix in bead to the direction entrance piston rod of pressing key from piston cylinder, and make both form a fixed connection by modes such as welding.
Penholder uses transparent material to make so that observing ink reservoir volume.
Above-described embodiment is intended merely to the purposes of the interpretation present invention, and is not limitation of the present invention, the art general
Logical technical staff, in the essential scope of the present invention, makes a variety of changes or substitutes, also should belong to the protection category of the present invention.