具有气囊装置的喷墨盒

Ink-jet cartridge with air bag apparatus

Abstract

The utility model discloses an ink-jet cartridge with an air bag apparatus, which can resolve the problems of being small in ink cartridge capacity and slow in ink out speed in the prior art. The ink-jet cartridge comprises an auxiliary ink supply chamber, a main ink supply chamber (1) located below the auxiliary ink supply chamber, a slideway (2) arranged in the main ink supply chamber (1), a piston (3) arranged in the slideway (2) and matched with the slideway (2), and an ink-jet port (4) arranged at the lower end of the main ink supply chamber (1), wherein the middle of the auxiliary ink supply chamber is provided with an isolation plate with a non-return valve, the isolation plate divides the auxiliary ink supply chamber into a standby ink supply chamber (5) and a secondary ink supply chamber (6), the top portion and the bottom portion of the secondary ink supply chamber (6) are respectively provided with a through hole, the side edge of the slideway (2) is provided with a gap communicating with the external air pressure, and the lower end of the secondary ink supply chamber (6) is also provided with an enclosed air bag (8) used for stopping the piston (3). The ink-jet cartridge with an air bag apparatus is simple in structure, convenient in implementation and low in cost.
本实用新型公开了一种具有气囊装置的喷墨盒,解决了现有技术中墨盒容量小、出磨速度慢的问题。该墨盒包括辅助供墨室,位于辅助供墨室下方的主供墨室(1),设置在主供墨室(1)内的滑道(2),设置在该滑道(2)上并与之相匹配的活塞(3),以及设置在主供墨室(1)下端的喷墨口(4);其中,所述辅助供墨室中间设有一道具有通孔的隔板,该隔板将辅助供墨室分为备用供墨室(5)和次级供墨室(6),在次级供墨室(6)的顶部和底部分别设有通孔,而在滑道(2)的侧边则开设有一道与外界气压相通的缝隙,在所述次级供墨室(6)的下端还设有一个用以抵挡活塞(3)的封闭气囊(8)。本实用新型结构简单、实现方便、价格低廉。

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