|Veröffentlichungsdatum||28. Sept. 2016|
|Eingetragen||20. Juni 2014|
|Prioritätsdatum||20. Juni 2014|
|Auch veröffentlicht unter||CN105270020A, CN105270020B, CN105922789A, CN105922789B, CN105922790A, CN105922790B, CN105966116B|
|Veröffentlichungsnummer||201610420975.9, CN 105966116 A, CN 105966116A, CN 201610420975, CN-A-105966116, CN105966116 A, CN105966116A, CN201610420975, CN201610420975.9|
|Zitat exportieren||BiBTeX, EndNote, RefMan|
|Patentzitate (8), Klassifizierungen (3), Juristische Ereignisse (3)|
|Externe Links: SIPO, Espacenet|
 本发明涉及一种用于在白板上进行书写的带储墨腔的笔，属于白板笔的优化技术。  The present invention relates to a belt on a whiteboard pen writing ink chamber, belonging to the optimization of the whiteboard pen. 背景技术 Background technique
 白板笔是教学中不可缺少的使用量较大的用具，也是办公室常用的办公用品，现有的白板笔，结构上主要采用吸墨纤维储存墨水，这种方式主要存在以下不足:一是储墨容量有限，二是供墨效率低，在连续书写过程中常出现断墨、书写不流畅的现象，三是不能加墨，因为，当使用到没墨时笔尖就会干燥出现断墨现象，再加墨其吸墨能力也很难恢复。  The whiteboard pen is indispensable larger amount of teaching tool, are commonly used in the office of office supplies, conventional whiteboard pen, ink absorbing mainly fiber ink reservoir structure, this embodiment mainly has the following disadvantages: a the ink storage capacity is limited, two ink supply efficiency is low, off Mexico often in a continuous writing process, the writing phenomenon is not smooth, the third is not ink, because the nib will be dried off Mexico when ink is not used to , refill their ink absorption capacity is also difficult to recover. 所以日常使用时需要稍停片刻等墨供应上来才能继续使用，为验证墨是否供应上来，很多使用者还会用笔在白板上胡乱的划线，等能够划出连续的清晰线条再继续使用不但影响工作效率和使用者的思路，还会影响使用者的情绪。 It is necessary to pause a moment and other daily use ink supply up to continue using, in order to verify whether the ink supply up, many users will use a pen on the whiteboard casually crossed, and so be able to draw clear lines of continuous use not only to continue affect the efficiency and the user's ideas, but also affect the user's mood. [〇〇〇3]因此，需要寻找一种储墨量大能够有效改善供墨效率的白板笔。 [〇〇〇3] Accordingly, the need to find a large quantity of the ink reservoir of the ink supply can improve the efficiency of the whiteboard pen. 发明内容 SUMMARY
 本发明的目的是:提供一种储墨量大能够有效改善供墨效率的白板笔。  The object of the present invention are: to provide an ink reservoir of the ink supply amount can improve the efficiency of the whiteboard pen.
 本发明的技术方案是:一种带储墨腔的笔，主要由笔杆1、笔帽2、笔芯3和墨水组成，所述的笔杆中空，墨水储存在笔杆内孔中，笔杆的一端缩小形成笔尖4,另一端与笔帽相连，沿笔尖4的中轴线设有笔芯固定孔，笔芯自外向内插入笔芯固定孔固定;笔芯固定孔向笔帽的方向突起形成笔芯固定柱41，所述的笔芯固定柱朝向笔帽一端的边缘向内突起形成笔芯止位突缘42，笔芯止位突缘的内孔直径小于笔芯的直径，使笔芯不能向上移动堵塞输墨管的出口端;所述的带储墨腔的笔还包括输墨管5、安置在笔帽中的输墨装置和活塞6;输墨管5朝向笔尖一端的端面向外扩大形成储墨腔51，储墨腔51远离输墨管5的边缘联接在笔芯固定柱朝向笔帽一端的端面上或笔芯止位突缘上，使笔杆内的墨水只能从储墨腔进入笔芯固定柱的内孔;输墨管5朝向笔帽一端的端面向外扩大形成  aspect of the present invention is: A pen with an ink reservoir, mainly by the barrel 1, the cap 2, and the ink cartridge 3 composition, said hollow barrel, an ink reservoir within the bore of the sheath, the sheath 4 is formed narrow tip at one end and the other end connected to the cap, the pen tip along the central axis 4 of the cartridge fixing hole is provided, the refill cartridge is inserted into the fixing hole from the outside to the inside is fixed; refill cartridge fixing hole is formed in the direction of projection of the fixing cap column 41, the end cap toward the cartridge mounting post projecting inwardly form the edge of the cartridge stopping flange 42, the cartridge stopping hole diameter smaller than the diameter of the flange of the cartridge so that the cartridge can not be moved upward blocked the outlet end of the ink supply tube; said pen with an ink reservoir further comprises ink supply tube 5, the inking unit is arranged in the cap and the piston 6; 5 toward the tip end surface of one end of the ink supply tube formed in ink reservoir to expand outwardly the cavity 51, the edge 51 remote from the inking ink reservoir tube 5 is coupled at one end towards the cap end face of the cartridge or the cartridge mounting post stopping flange, so that ink in the cartridge from the pen can only be fixed into the ink chamber bore column; 5 toward the end face of the end cap to expand outwardly are formed ink supply tube 柱状中空的活塞缸52,在笔杆1靠近笔帽的内壁设有带中心孔的支撑架11，输墨管的活塞缸52位于支撑架11的中心孔内， 活塞缸的壁面上设有进墨孔521，进墨孔与笔杆的内孔相连通;在笔帽2内还设有固定板21， 在固定板21上设有向笔帽顶部突起的活塞固定柱22,在活塞固定柱内设有与固定板21平行的分隔板，分隔板上设有活塞固定孔;在笔帽的顶端设有按压键7,所述的按压键能够在外力的作用下沿笔帽的内孔径向移动;活塞6从笔帽一端进入活塞缸，与活塞缸内壁形成紧密配合;活塞杆61从笔杆一端穿过分隔板上的活塞固定孔，再穿过弹簧8,末端固定在按压键7 内壁上;所述的弹簧8—端抵紧按压键的内壁，另一端进入活塞固定柱22抵紧分隔板;未按下按压键7时，活塞6在弹簧8的张力作用下向上移动进入活塞固定柱22朝向笔尖的内孔中； 需要供墨时，使笔尖朝下或倾斜朝 Hollow cylindrical piston cylinder 52, the inner wall of the barrel 1 is provided near the cap support frame 11 with a central hole, the ink supply tube 52 in the center hole of the piston cylinder support bracket 11 is provided on the wall surface of the ink feed holes of the piston cylinder 521, the ink feed hole and the bore of the barrel in communication; cap 2 is further provided in the fixing plate 21, provided with a piston mounting post 22 projecting towards the top of the cap on the fixed plate 21, there is a column equipped with a piston in a fixed plate 21 parallel to the partition plate, the partition plate is provided with a fixing hole of the piston; the top of the cap is provided with a push button 7, the push button can be moved within the aperture of the cap to move under the action of external force; piston 6 from One end of the cap into the piston cylinder, form a tight fit with the inner wall of the piston cylinder; piston rod 61 passes through the fixing hole of the partition plate from one end of the barrel, and then through the spring 8, is fixed to the end key is pressed on an inner wall 7; 8 of the spring - pressed tightly against the inner wall end of the key, and the other end into the piston mounting post 22 tightly against the partition plate; pressing the button 7 is pressed, the upward movement of the piston into the piston 6 toward the tip mounting post 22 under tension spring 8 hole; ink supply when necessary, or is inclined downward toward the nib 下，按下按压键后，弹簧8受到挤压向笔尖的方向变形，按压键7向笔尖的方向推动活塞6在活塞缸内向笔尖移动，将活塞缸内的墨水挤入输墨管5，使墨水到达储墨腔51和笔芯固定柱内孔，位于笔芯固定柱内孔中的笔芯3就能够吸到墨水，实现对笔芯3的供墨，这时，笔杆内形成负压，外界的空气通过按压键与笔帽之间的空隙进入笔帽内，再通过活塞杆与分隔板之间的空隙进入活塞缸，进而通过进墨孔进入笔杆，使气压趋于平衡，放开按压键，在弹簧的张力作用下，按压键和活塞向笔帽的顶部复位，在活塞与输墨管之间的活塞缸内形成负压，笔杆内的部分空气会自动通过进墨孔进入活塞与输墨管之间的活塞缸内，使负压减小；当活塞位于进墨孔与按压键之间时，只要将笔尖朝上，笔杆中的墨水就会通过进墨孔流入活塞缸内，为下一次供墨做好准备;储墨腔 Next, press the push button, the spring 8 is pressed toward the tip of the deformed pressing key 7 pushes the piston 6 moves toward the pen tip of the piston cylinder, the piston of the cylinder 5 ink squeeze ink supply tube toward the tip of the the ink chamber 51 reaches the fixing hole and the ink tank cartridge column, the column is located in the fixing hole in the cartridge 3 can be sucked into the ink cartridge, the ink supply cartridge to achieve 3, then, a negative pressure inside the barrel, outside air through the gap between the push button and the cap into the cap, and then into the piston cylinder through the gap between the piston and the partition plate, and further into the barrel through the ink feed holes, tends to Ping Heng the air pressure, push button release , a spring under tension, and presses the key cap to the top of the piston return, a negative pressure in the cylinder between the piston and the piston ink supply tube, the air in the barrel portion through the ink feed holes will be automatically entered inking piston between the tube of the piston cylinder, the negative pressure decreases; when the piston is positioned between the inlet hole and the ink key is pressed, as long as its tip upward, the sheath ink flows into the ink inlet hole through the cylinder piston, for the next a ready supply of ink; ink chamber 截面积大于输墨管的截面积;使活塞缸位于笔杆内孔的中心线上，以便于装配时使活塞进入活塞缸。 Cross section larger than the cross sectional area of the ink supply tube; piston-cylinder on the center line of the barrel bore, the piston so as to enter the piston cylinder assembly.
 活塞固定孔朝向按压键的边缘向按压键的方向突起形成密封柱23，在活塞杆61与活塞固定孔内壁及活塞杆与密封柱的内壁之间设置带有多层平行齿的齿形密封圈9,齿形密封圈的齿自笔帽向输墨管的方向倾斜。  The piston is pressed toward the key fixing hole edge seal projection is formed in the direction of column of the push button 23, the tooth 61 is provided between the piston rod bore inner walls and the fixed piston rod and piston sealing post having parallel teeth of the multilayer ring seal 9, the teeth of the toothed ring from the cap is inclined in a direction of the ink supply tube.
 在密封柱23上设有与其通过螺纹连接的固定帽24。  provided thereto by screwing the cap 24 is fixed on the sealing pillar 23. [〇〇〇8]在按压键朝向固定板的壁面上设有向固定板方向突起的弹簧定位突缘，弹簧的一端安置在弹簧定位突缘内。 The spring retainer [〇〇〇8] pressing the key provided on the wall plate towards the fixed plate of the fixed projection direction of the flange, the end of the spring disposed in the spring fixing lugs.
 在按压键朝向固定板的壁面设有活塞杆固定突缘，所述的活塞杆固定突缘以按压键的中心轴为中心轴，活塞杆的末纟而固定在活塞杆固定关缘内。  In the key is pressed toward the fixed plate is provided with a piston rod fixed to the wall surface of the flange, the flange of the piston rod fixed to the central axis as a central axis of the push button, the end of the piston rod is fixed to the piston rod fixing Si off edge Inside.
 所述的进墨孔521设置在靠近固定板21的位于笔杆内的活塞缸52的壁上。  The ink feed hole 521 is provided near the fixed plate 52 in the wall of the piston within the cylinder barrel 21.
 所述的固定板21朝向笔尖一端的壁面与分隔板朝向笔尖一端的壁面的距离大于或等于活塞的高度。  The fixing plate 21 toward the tip end of the wall surface of the partition plate toward the tip end of the wall a distance greater than or equal to the height of the piston. [〇〇12]在活塞缸的外壁设有向外突起的固定突缘，用于固定支撑架。 [〇〇12] provided with an outwardly projecting flange fixed to the outer wall of the piston in the cylinder, for fixing the support frame.
所述的输墨管的内孔直径小于活塞缸的孔径和充墨腔的孔径。  The inner diameter of the ink supply tube is smaller than the pore size of the aperture of the piston cylinder and the ink filling chamber. [〇〇14] 有益效果 [〇〇14] beneficial effects
 1、通过活塞向储墨腔供应墨水，改善供墨情况，减少断墨现象，使书写更为流畅；  1, the ink is supplied through the piston to the ink reservoir, the ink supply improvement, to reduce off Mexico, the writing more smoothly;
 2、能够多次加墨，延长白板笔的使用寿命。  2, can be many times the ink, the extension whiteboard pen life. 附图说明 BRIEF DESCRIPTION
 图1是本发明的外观示意图；  FIG. 1 is an external schematic view of the present invention;
 图2是本发明的剖面图；  FIG. 2 is a cross-sectional view of the invention;
 图3是图2上部的局部放大图；  FIG. 3 is a partial enlarged view of FIG. 2 the upper portion;
 图4是图2下部的局部放大图；[〇〇21]图5是本发明的爆开图；[〇〇22]图6是图5的局部放大图；  FIG. 4 is a partially enlarged view of the lower portion 2 of FIG.; [〇〇21] FIG. 5 is an explode view of the invention; [〇〇22] FIG. 6 is a partially enlarged view of FIG 5;
 图7是本发明的笔帽部分的剖面示意图。  FIG. 7 is a schematic cross-sectional view of the cap portion of the present invention. 具体实施方式 detailed description
 如图1和图2所示，一种带储墨腔的笔，主要由笔杆1、笔帽2、笔芯3和墨水组成，所述的笔杆中空，墨水储存在笔杆内孔中，笔杆的一端缩小形成笔尖4,另一端与笔帽相连。  as shown in FIGS, 1 and 2 A tape pen ink chamber, mainly by the barrel 1, the cap 2, and the ink cartridge 3 composition, said hollow barrel, an ink reservoir within the bore of the barrel, One end of the pen tip 4 is formed narrow, and the other end connected to the cap.
 如图2和图5所示，所述的带储墨腔的笔还包括输墨管5、安置在笔帽中的输墨装置和活塞6。  As shown in FIG. 2 and FIG. 5, the pen with an ink reservoir further comprises ink supply tube 5, the cap is disposed in the inking unit and the piston 6.
 如图4所示，沿笔尖4的中轴线设有笔芯固定孔，笔芯自外向内插入笔芯固定孔固定;笔芯固定孔向笔帽的方向突起形成笔芯固定柱41，所述的笔芯固定柱朝向笔帽一端的边缘向内突起形成笔芯止位突缘42,笔芯止位突缘的内孔直径小于笔芯的直径，使笔芯不能向上移动堵塞输墨管的出口端;输墨管5朝向笔尖一端的端面向外扩大形成储墨腔51，储墨腔51远离输墨管5的边缘联接在笔芯固定柱朝向笔帽一端的端面上或笔芯止位突缘上， 使笔杆内的墨水只能从储墨腔进入笔芯固定柱的内孔。  As shown in FIG. 4, the tip 4 along the axis of the cartridge is provided with a fixing hole, the refill cartridge is inserted into the fixing hole from the outside to the inside fixing; fixing hole refill cartridge mounting post projection 41 is formed in the direction of the cap, said end cap toward the cartridge mounting post projecting inwardly form the edge of the cartridge stopping flange 42, the cartridge stopping hole diameter smaller than the diameter of the flange of the cartridge, the cartridge can not be moved upward so that the ink delivery tube blockage an outlet end; the end face 5 toward the tip end of the ink supply tube to expand outward to form an ink reservoir 51, the edge 51 remote from the inking ink reservoir tube 5 is coupled at one end of the cartridge toward the cap end surface of the fixed column or cartridge stopping the flange, so that the ink in the pen refill only into the inner bore of the mounting post from the ink chamber. 当墨水通过输墨管进入储墨腔51， 只要笔尖朝下，墨水就会流进笔芯固定柱内孔，浸湿笔芯。 When the ink through the ink supply tube enters the ink chamber 51, whenever the pen tip down, the ink will flow into the fixing hole cartridge column, wetted cartridge. 由于笔芯通常是采用易吸水的材料制作，墨水会沿笔芯自动扩散到达位于笔尖外的笔芯顶端，从而能够进行书写。 Because the cartridge is usually made using a material easy to absorb water, and in the ink cartridge will automatically be diffused and reaches the top of the cartridge is located outside the pen tip, so that writing can be performed. 储墨腔与笔芯固定柱或笔芯止位突缘之间采用固定连接的方式，使墨水不能从两者之间的间隙流回笔杆内，以保证笔芯能够得到充足的墨水供应。 By way of a fixed connection between the fixed column or a cartridge stopping flange and the refill ink reservoir, the ink can not flow back from the gap between the two pen, the cartridge can be obtained to ensure a sufficient supply of ink.
 如图3所示，输墨管5朝向笔帽一端的端面向外扩大形成柱状中空的活塞缸52,在笔杆1靠近笔帽的内壁设有带中心孔的支撑架11，输墨管的活塞缸52位于支撑架11的中心孔内，活塞缸的壁面上设有进墨孔521，进墨孔与笔杆的内孔相连通;在笔帽2内还设有固定板21，在固定板21上设有向笔帽顶部突起的活塞固定柱22,在活塞固定柱内设有与固定板21平行的分隔板，分隔板上设有活塞固定孔。  As shown, the ink supply tube 5 toward the end face of the end cap to expand outward to form a hollow cylindrical piston cylinder 523, the support frame is provided with a central bore of the inner wall of the barrel near the cap 111, the ink supply tube the piston cylinder 52 is located in central bore 11 of the support frame, ink feed hole 521 is provided on the wall surface of the piston cylinder, the bore of the barrel with the ink feed holes communicating; cap 2 is further provided in the fixing plate 21, the fixing plate 21 a projection column provided with a piston fixed to the top of the cap 22, the piston has a fixed column equipped with a fixed plate parallel to the partition plate 21, the partition plate is provided with a fixing hole of the piston.
 在笔帽的顶端设有按压键7,所述的按压键能够在外力的作用下沿笔帽的内孔径向移动;活塞6从笔帽一端进入活塞缸，与活塞缸内壁形成紧密配合;活塞杆61从笔杆一端穿过分隔板上的活塞固定孔，再穿过弹簧8,末端固定在按压键7内壁上;所述的弹簧8—端抵紧按压键的内壁，另一端进入活塞固定柱22抵紧分隔板;未按下按压键7时，活塞6在弹簧8的张力作用下向上移动进入活塞固定柱22朝向笔尖的内孔中。  provided at the top of the cap pressing key 7, the push button can be moved within the aperture of the cap to move under the action of external force; piston 6 into the piston cylinder from one end cap to form a close fit with the inner wall of the piston cylinder; a piston 61 from the barrel through the rod end of the piston partition plate fixing hole, and then through the spring 8, the end of the push button 7 is fixed to an inner wall; end of said spring abuts the inner wall of 8- tightly pressed key, into the piston and the other end fixed to the column 22 tightly against the partition plate; pressing the button 7 is pressed, the upward movement of the piston 6 into the hole of the piston 22 toward the tip of the column is fixed under tension spring 8.
 需要供墨时，先让笔尖朝上，使笔杆中的墨水通过进墨孔进入活塞缸，再使笔尖朝下或倾斜朝下，按下按压键后，弹簧8受到挤压向笔尖的方向变形，按压键7向笔尖的方向推动活塞6在活塞缸内向笔尖移动，将活塞缸内的墨水挤入输墨管5,使墨水到达储墨腔51和笔芯固定柱内孔，位于笔芯固定柱内孔中的笔芯3就能够吸到墨水，实现对笔芯3的供墨，这时，笔杆内形成负压，外界的空气通过按压键与笔帽之间的空隙进入笔帽内，再通过活塞杆与分隔板之间的空隙进入活塞缸，进而通过进墨孔进入笔杆，使气压趋于平衡，放开按压键，在弹簧的张力作用下，按压键和活塞向笔帽的顶部复位，在活塞与输墨管之间的活塞缸内形成负压，笔杆内的部分空气会自动通过进墨孔进入活塞与输墨管之间的活塞缸内，使负压减小。  When the ink supply needs, let its tip upward, so that the ink pen through ink feed hole into the piston cylinder, and then downwardly inclined nib or downwardly, the push button is pressed, the spring 8 is pressed to the tip direction of deformation, pressing the key 7 pushes the piston 6 moves toward the pen tip of the piston cylinder, the piston of the cylinder 5 ink supply tube squeeze ink, the ink reaches the ink chamber 51 and the cartridge fixing hole toward the tip of the post, is located fixation peg refill cartridge 3 can be drawn into the ink of the ink cartridge 3 to realize, then, a negative pressure within the barrel, the outside air enters through the gap between the inner cap and pressing the key cap , then enters through the gap between the partition plate and the piston rod of the piston cylinder, and then through ink feed hole into the sheath, tends to Ping Heng the air pressure, push button release, a spring under tension, and the piston presses the key to the cap top reset, a negative pressure in the cylinder between the piston and the piston ink supply tube, the air in the barrel portion is automatically through ink feed hole into the cylinder of the piston between the piston and the ink supply tube, the negative pressure is reduced. 在复位状态下，活塞位于进墨孔与按压键之间的活塞缸内，不会堵塞进墨孔。 In the reset state, the piston cylinder piston is positioned between the ink inlet hole and the push button will not clog the ink feed hole.
 当活塞位于进墨孔与按压键之间时，只要将笔尖朝上，笔杆中的墨水就会通过进墨孔流入活塞缸内，为下一次供墨做好准备。  When the piston is positioned between the inlet hole and the ink key is pressed, as long as its tip upward, the sheath ink flows into the ink inlet hole through the cylinder piston, for the next ink prepared.
 如图6和图7所示，活塞固定孔朝向按压键的边缘向按压键的方向突起形成密封柱23,在活塞杆61与活塞固定孔内壁及活塞杆与密封柱的内壁之间设置带有多层平行齿的齿形密封圈9,齿形密封圈的齿自笔帽向输墨管的方向倾斜。  Figures 6 and 7, the piston is pressed toward the key fixing hole edge in the direction of key depression protrusion formed seal post 23, the piston rod 61 between the inner wall and the piston rod and the fixing hole of the seal post is provided with a toothed ring 9 of the multi-layer parallel teeth, the teeth of the toothed ring from the cap is inclined in a direction of the ink supply tube. 在活塞复位的过程中，如果活塞与分隔板之间有墨水，会通过进墨孔流回笔杆内，或通过活塞与活塞缸之间的空隙流到活塞与输墨管之间的活塞缸内，由于设有齿形密封圈9,使墨水不能经过活塞杆与分隔板的空隙流进分隔板上方的笔帽内，外界的空气能够挤开齿形密封圈9进入活塞缸内。 During piston return, if the ink between the piston and the partition plate, the ink feed hole will flow back through the sheath, or to the piston cylinder between the piston and the ink supply tube through the gap between the piston and the piston cylinder inside, since the toothed ring 9, the ink can not pass through the gap of the piston rod and the partition plate from flowing into the partition plate side of the inner cap, the outside air can squeeze the toothed ring 9 into the piston cylinder. [〇〇32]在密封柱23上设有与其通过螺纹连接的固定帽24。 [〇〇32] has fixed thereto by screwing the cap 24 on the seal post 23.
所述的进墨孔521设置在靠近固定板21的位于笔杆内的活塞缸52的壁上。  The ink feed hole 521 is provided near the fixed plate 52 in the wall of the piston within the cylinder barrel 21. [〇〇34]所述的固定板21朝向笔尖一端的壁面与分隔板朝向笔尖一端的壁面的距离大于或等于活塞的高度。 [〇〇34] The fixing plate 21 toward the tip end of the wall surface of the partition plate toward the tip end of the wall a distance greater than or equal to the height of the piston.
 所述的输墨管的内孔直径小于活塞缸的孔径和充墨腔的孔径。  The inner diameter of the ink supply tube is smaller than the pore size of the aperture of the piston cylinder and the ink filling chamber. 当活塞缸内形成负压时，输墨管中的部分墨水会倒流回到活塞缸内，由于输墨管较细且较长，活塞缸内的负压对距离活塞缸较远的输墨管内的墨水形成的回吸力就会降低，并且，由于储墨腔的截面积大于输墨管的截面积，储墨腔的墨水不易被回吸到活塞缸内。 When the piston-cylinder negative pressure, the ink supply tube portion in the ink will return to the piston cylinder back, since the thin and long ink supply tube of the ink supply tube far away from the piston cylinder of the piston-cylinder negative pressure back to the suction of the ink is formed is reduced, and, since the cross-sectional area of the ink chamber is greater than the cross sectional area of the ink supply tube, ink chamber of the ink can not easily be drawn back into the cylinder piston. 由于笔芯具有较高的密度和较好的固水性，笔芯内的墨水由于活塞缸内的负压被倒吸回活塞缸内的可能性非常低。 Since the cartridge has a high density and excellent aqueous solid, refill ink in the negative pressure due to the possibility of the piston in the cylinder is sucked back down the cylinder of the piston is very low. 只有在活塞的推动下，才能使墨水从活塞缸被挤入储墨腔，反过来，活塞复位时，储塞腔内的墨水难以通过输墨管回到活塞缸。 Only driven piston, to make the ink is extruded from the ink chamber of the piston cylinder, in turn, the piston is reset, the ink reservoir chamber unmanageable plug back through the inking cylinder piston. 在活塞不动的情况下，白板笔内部形成一个较为稳定的平衡状态，活塞缸内的墨水也难以通过输墨管流到储墨腔，从而储墨腔能够持续地为笔芯供应墨水，只有当储墨腔里没有墨水了，才需要按压按压键，通过活塞把墨水从活塞腔推到储墨腔，实现供墨。 In the case where the piston does not move, the internal whiteboard pen form a more stable Ping Heng state, piston cylinder of the ink is difficult to flow to the ink chamber through the ink supply tube, so that the ink reservoir can be continuously supplied to the ink cartridge, only when there is no ink in the ink reservoir, and only needs to press the key is pressed, the ink is pushed from the piston chamber to the ink chamber by the piston, to achieve ink.
 在活塞缸的外壁设有向外突起的固定突缘，用于固定支撑架;使活塞缸位于笔杆内孔的中心线上，以便于装配时使活塞进入活塞缸。  In the outer wall of the piston cylinder is provided with outwardly protruding fixing flange for fixing the support frame; piston-cylinder on the center line of the barrel bore, so that during assembly of the piston into the piston in the cylinder.
 如图6所示，在按压键朝向固定板的壁面上设有向固定板方向突起的弹簧定位突缘，弹簧的一端安置在弹簧定位突缘内；在按压键朝向固定板的壁面设有活塞杆固定突缘， 所述的活塞杆固定突缘以按压键的中心轴为中心轴，活塞杆的末端固定在活塞杆固定突缘内。  As shown in FIG 6, a spring retainer plate secured to the projecting direction of the wall surface of the flange on the push button towards the fixed plate, one end of the spring is disposed within the spring positioning flange; the key is pressed toward the wall surface of the fixed plate a fixed flange is provided with a piston rod, said piston rod fixed to the center axis of the flange as a center axis of the push button, a piston rod fixed to the piston rod end of the fixed flange. 组装时，活塞杆从活塞缸向按压键的方向进入活塞杆固定突缘内，并通过焊接等方式使两者形成固定连接。 In assembly, the piston rod into the piston cylinder from a direction key is pressed piston rod fixed flange, and is formed so that the two fixedly attached by welding or the like.
 笔杆采用透明材料制作以便于观察储墨量。  The pen uses a transparent material to observe the amount of ink in the reservoir.
 上述实施例仅是用来说明解释本发明的用途，而并非是对本发明的限制，本技术领域的普通技术人员，在本发明的实质范围内，做出各种变化或替代，也应属于本发明的保护范畴。  In the above-described embodiments are merely for illustrative purposes to explain the present invention and are not restrictive of the invention, the present technical field of ordinary skill in the art, within the spirit of the present invention, various changes or substitutions, but also It shall fall within the protection scope of the invention.
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