CN201067997Y

CN201067997Y - Ink box

Info

Publication number: CN201067997Y
Application number: CNU2007200554987U
Authority: CN
Inventors: 黄振超; 陈达飞
Original assignee: Print Rite Technology Development Co Ltd of Zhuhai
Current assignee: Print Rite Technology Development Co Ltd of Zhuhai
Priority date: 2007-08-08
Filing date: 2007-08-08
Publication date: 2008-06-04
Anticipated expiration: 2017-08-08

Abstract

The utility model discloses an ink cartridge, which comprises a cartridge body for holding ink liquid, an ink supplying opening for outputting the ink is arranged on the cartridge body, a floating mark prism provided with a pair of reflecting surfaces is arranged inside the cartridge body, and the moving of the floating mark prism is limited in the vertical direction of the ink cartridge. The inner side of the cartridge is divided into an ink supplying cavity, a detecting cavity, and an ink storage cavity by a first baffle plate and a second baffle plate, and the three cavities are mutually communicated; the floating mark prism only can be arranged inside the detecting cavity in an elevating way. The utility model has the advantages that the structure and the process are simple, the molding is convenient, the realization is easy, the production cost is low, and the detecting effect can exceed in the detecting effect of the ink exhausted detecting device of the prior art through different technical proposals.

Description

Print cartridge

Technical field

The utility model relates to the printer material consumption field, specifically a kind of ink-cases of printers.

Background technology

Chinese invention patent ublic specification of application CN1960878A discloses a kind of ink remaining amount checkout gear of print cartridge and has adopted the print cartridge of this checkout gear, as shown in Figure 1, this print cartridge is a bicavate print cartridge that is divided into by dividing plate 1, the pore that in chamber 2 blotting material, ink supply port is arranged and be communicated with atmosphere (being arranged on the lid that figure omits); Another chamber is that 3, two chambeies, liquid storage chamber of base closed are communicated with by a passage 4 near the bottom of dividing plate 1.When blotting material ink absorbed is consumed by printhead, the interface channel of black liquid through two chambeies in the liquid storage chamber 3 flows to chamber 2, when the negative pressure when the liquid storage chamber in ink supply process lumen increases gradually, add to the liquid storage chamber from pore and the air that passes the blotting material through passage, reduce the negative pressure in the liquid storage chamber, formation is for the pressure of printhead substantial constant, thereby the ink that supplies to printhead is kept continuously.Prism 5 with isosceles triangle shape of 90 ° of drift angles is arranged in the bottom in liquid storage chamber 3, detection principle to ink amount in the print cartridge in the printer is as follows: when on the print cartridge during machine, the beam launcher of printer can produce the prism of light beam in the print cartridge bottom irradiation print cartridge, when enough inks are arranged in the print cartridge, incident light arrives a waist place of isosceles triangle face and will reflect, can not produce reflection, thereby the light beam receiving system of printer can't receive optical signal, and the ink capacity that printer can be defaulted as in this print cartridge is full or abundant.And only remain when a small amount of when the ink in the print cartridge, prism in the print cartridge can expose ink level, incident light is through triangle two waist place face two secondary reflections of prism, reverberation arrives the light beam receiving system, the light beam receiving system receives the ink capacity deficiency that will think behind the optical signal in this print cartridge, and the prompting user changes print cartridge.

Summary of the invention

Main purpose of the present utility model provide a kind of simple in structure, realize and detect effective print cartridge easily.

For this reason, the utility model has adopted following technical scheme: design a kind of print cartridge, it comprises that one holds the box body of black liquid, and box body is provided with the ink supply port that black liquid is outwards exported; The one buoy prism with a pair of reflecting surface is arranged in the described box body, and this buoy prism mobile is limited on the vertical direction of print cartridge.

Preferably, described box body inside is separated into ink supply chamber, test chamber and ink storage chamber by first dividing plate and second partition, is interconnected between three cavitys; Described buoy prism only can place in the test chamber up and down.

The bottom of described buoy prism has v-depression, and this v-depression has orthogonal two reflectings surface.Described v-depression can extend on the length direction of print cartridge, also can extend on the width of print cartridge.

In order to realize floating and catoptrical effect, described buoy prism preferably adopts proportion to make less than the perspex of ink.

Big 1mm～the 3mm of the width of gap ratio buoy prism on this spacing direction of described first dividing plate and second partition, adopt such gap, can guarantee the lifting in the clear on the vertical direction of print cartridge of buoy prism, simultaneously can the occurred level direction yet swing.

In order to realize the connection of each cavity in the print cartridge, the bottom of described first dividing plate has connected entrance, has the connectivity slot that vertically extends on the second partition.

The beneficial effects of the utility model are: its structure and technology are simple, convenient formation, realize easily, low cost of manufacture, and the prior art China and Mexico that meet or exceed by different technical schemes are the detection effect of checkout gear to the greatest extent.

Description of drawings

Fig. 1 is for having the China ink perspective effect figure of print cartridge under the state of opening the lid of checkout gear to the greatest extent in the prior art;

Fig. 2 is the structural representation of the utility model embodiment;

Fig. 3 is the exploded view of print cartridge shown in Figure 2;

Fig. 4 is the perspective effect figure of print cartridge shown in Figure 2;

Fig. 5 is the structural perspective of the buoy prism in the print cartridge shown in Figure 2;

Fig. 6 is the structural perspective of another angle of buoy prism shown in Figure 5;

The specific embodiment

Fig. 2 to 4 shows a kind of preferred implementation that has adopted the utility model print cartridge.The basic structure of this print cartridge and print cartridge shown in Figure 1 are similar, promptly, comprise rectangular shape and have open-topped box body 7 and be closed in the open-topped lid 8 of box body, one side of box body 7 is provided with the locating convex block 9 that can cooperate with the locating hole on the cartridge carrier (not shown) in the printer, the opposite side relative with this side is provided with flexible lock pawl 10, this lock pawl 10 can cooperate with the chock block on the cartridge carrier, thereby print cartridge is positioned on the cartridge carrier.With reference to figure 3 and Fig. 4, box body 7 inside are separated into ink supply chamber 13, test chamber 14 and 15 3 cavitys of ink storage chamber by first dividing plate 11 and second partition 12, wherein ink supply chamber 13 and test chamber 14 are positioned at the both sides of first dividing plate 11, and test chamber 14 and ink storage chamber 15 are positioned at the both sides of second partition 12.The bottom in ink supply chamber 13 is provided with ink supply port 16, is used for the printhead output ink on cartridge carrier; Ink supply chamber 13 is connected with the connected entrance 17 of test chamber 14 by first dividing plate, 11 bottoms, and the lid of 13 tops, ink supply chamber partly is provided with air inlet 18 and corresponding air inlet duct 19.Test chamber 14 is connected by the connectivity slot of being opened on the second partition 12 20 that vertically extends with ink storage chamber 15, be provided with the buoy prism 21 that a perspex spare is made in the test chamber 14, its proportion is less than the black liquid in the print cartridge, thereby can float in the black liquid, and the shape of this buoy prism becomes to make it only can do moving of vertical direction with the lifting of ink level in test chamber with size configure.The width big 1mm～3mm of gap ratio buoy prism 21 on this spacing direction of described first dividing plate 11 and second partition 12, adopt such gap, can guarantee buoy prism 21 lifting in the clear on the vertical direction of print cartridge, simultaneously can the occurred level direction yet swing.Be positioned at print cartridge bottom under the buoy prism 21 and have the printing opacity mouth 26 that can pass for incident light and emergent light, after the print cartridge installation, this printing opacity mouth 26 is positioned at directly over the photodetector unit 27 that can launch light and reception light, the lid of test chamber 14 tops partly is provided with ink filling port 22, be used in print cartridge, adding ink, certainly, this ink filling port lid part of being located at ink storage chamber top also is fine.

As shown in Figure 5 and Figure 6, the bottom of described buoy prism 21 has v-depression 23, this v-depression 23 can extend on the length direction X of print cartridge, also can extend on the width Y of print cartridge, and this bearing of trend should be determined according to the structure of the photodetector unit 27 of the printer of correspondence.Two groove faces of described v-depression 23 are respectively as two orthogonal reflectings surface of buoy prism.

As shown in Figure 4, when print cartridge is filled ink, buoy prism 21 in the print cartridge is positioned at the top of print cartridge, on the print cartridge behind the machine, when the beam launcher of photodetector unit 27 produces light beam from print cartridge bottom irradiation buoy prism 21, since ink absorption light beam, so this light beam can't arrive buoy prism 21 and more can not produce reflection, printer detects and is the ink full capacity in this print cartridge.When the ink printed in the print cartridge reduces gradually; buoy prism 21 can descend along with ink; when it arrives the print cartridge bottom; light beam irradiates produces reflection on buoy prism 21; the light beam receiving system of photodetector unit 27 receives this beam reflected; be defaulted as the interior ink of this print cartridge for a small amount of, can point out the user to change print cartridge.

Above-described only is preferred implementation of the present utility model; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the present utility model design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.For example, on the mobile vertical direction that is limited in print cartridge that makes the buoy prism, the means that can also adopt those skilled in the art such as spacing block set, guide rail or guide rod to expect easily, and be not limited to the form of above-mentioned first dividing plate, second partition.

Claims

1. print cartridge comprises

One holds the box body of black liquid, and box body is provided with the ink supply port that black liquid is outwards exported;

It is characterized in that:

The one buoy prism with a pair of reflecting surface is arranged in the described box body, and this buoy prism mobile is limited on the vertical direction of print cartridge.

2. print cartridge according to claim 1 is characterized in that:

Described box body inside is separated into ink supply chamber, test chamber and ink storage chamber by first dividing plate and second partition, is interconnected between three cavitys;

Described buoy prism only can place in the test chamber up and down.

3. print cartridge according to claim 1 and 2 is characterized in that:

The bottom of described buoy prism has v-depression, and this v-depression has orthogonal two reflectings surface.

4. print cartridge according to claim 3 is characterized in that:

Described v-depression extends on the length direction of print cartridge.

5. print cartridge according to claim 3 is characterized in that:

Described v-depression extends on the width of print cartridge.

6. print cartridge according to claim 3 is characterized in that:

Described buoy prism adopts proportion to make less than the perspex of ink.

7. print cartridge according to claim 3 is characterized in that: the big 1mm～3mm of the width of gap ratio buoy prism on this spacing direction of described first dividing plate and second partition.

8. print cartridge according to claim 3 is characterized in that: the bottom of described first dividing plate has connected entrance, has the connectivity slot that vertically extends on the second partition.