CN201026700Y

CN201026700Y - Ink box

Info

Publication number: CN201026700Y
Application number: CNU2007200500864U
Authority: CN
Inventors: 何永刚; 姚和刚
Original assignee: Print Rite Technology Development Co Ltd of Zhuhai
Current assignee: Print Rite Technology Development Co Ltd of Zhuhai
Priority date: 2007-04-02
Filing date: 2007-04-02
Publication date: 2008-02-27
Anticipated expiration: 2017-04-02

Abstract

An ink box can be dismountably arranged on a main body of a recording device, wherein, an ink box installation part which is arranged on a side of the main body of the recording device is provided with a sensor consisting of a luminescent part and a light interception part. The luminescent part and the light interception part face each other. The ink box comprises a box body with an ink outlet; an inner reflection part and a shading part. Ink is stored in the ink box; the inner reflection part which is arranged in the box body is provided with two inner reflectors while a certain angel is kept between the two inner reflectors; the shading part which is arranged in the box body can move up and down in the box body along the gravity direction so as to prevent the light rays which come from the luminescent part from illuminating the inner reflectors or allow the lights which come from the luminescent part to illuminate the inner reflectors. The ink box has the advantages of larger photographic area and simple structure of shading part.

Description

Print cartridge

Technical field

The utility model relates to a kind of print cartridge, relates in particular to a kind of print cartridge that has light reflecting device.

Background technology

In the prior art, one of detection method that printing ink surplus or printing ink have or not in the print cartridge of using as ink-jet printer, optical sensing methods is used widely.

The open patent of invention of CN1410273A China discloses a kind of print cartridge, and it is removably mounted in the tape deck main body.Print cartridge installation portion at the tape deck main body side is provided with the sensor that is made of relative each other illuminating part and light accepting part.Substantially conform to and can accommodate the profile profile of sensor when print cartridge has in being installed in the print cartridge installation portion with in the print cartridge installation portion, in its profile, be furnished with according to the quantity of ink in the print cartridge and the shading member that turnover is moved between illuminating part and light accepting part.Wherein the shading member is connected with a floating drum by one, move because of the variation of suffered buoyancy by floating drum, realize that the shading member passes in and out mobile between illuminating part and light accepting part, this kind Ink cartridge with structure not only needs to move the structure that required buoyancy is provided with floating drum and shading piece by the accurate Calculation shading piece, and need on box body, open the groove that holds floating drum, shading piece and connect the arm of force of the two, making and structure are all complicated.In addition, because the photosensitive area of sensor is less, so the shading member is corresponding very little, shading member moving in printing ink relies on floating drum suffered buoyancy in printing ink fully in addition, so in order to increase bigger that moment causes that the arm of force does, occupied volume very big in the print cartridge, the print cartridge capacity reduced.

The utility model content

The technical problems to be solved in the utility model provides a kind of improved print cartridge, and it has shading piece simple in structure and bigger photosensitive area.

For solving the problems of the technologies described above, the technical scheme that the utility model provides is: print cartridge, be removably mounted on the tape deck main body, wherein the print cartridge installation portion of tape deck main body side is provided with the sensor that is made of relative each other illuminating part and light accepting part, print cartridge comprises: have the box main body of ink outlet port, its inside accommodates ink; The internal reflection part is installed in box main body inside, has two interior reflective surface of certain angle each other; Shading piece is installed in box main body inside, can move up and down along gravity direction in box main body, to stop or to allow the light of self-luminescent part to be incident upon interior reflective surface.

More preferably scheme is the band interior reflective surface one side setting that shading piece is faced the internal reflection part.

Preferred scheme is that box main body comprises: be the framework of cuboid basically, have the antetheca of being with ink outlet port, the sidewall that is positioned at antetheca width one side, be positioned at the roof and the lower wall of antetheca short transverse both sides; The lid of sealing framework opening.

Preferred scheme is that inside surface of side wall is provided with the stopper slot that extends along the shading piece gravity direction.

Preferred scheme is that the internal reflection part is installed in described inside surface of side wall.

Preferred scheme is that inside surface of side wall is provided with protruded stigma; The internal reflection part has an installation portion, and installation portion is provided with the draw-in groove that matches with protruded stigma.

Preferred again scheme is that shading piece is installed between internal reflection part and the antetheca.

Preferred scheme is that the outer surface of antetheca is provided with the external reflectance spare that parallels with the internal reflection part.

Preferred scheme is that external reflectance spare is provided with the first external reflectance face and the second external reflectance face, and the angle between two external reflectance faces is the obtuse angle; The internal reflection part is provided with first interior reflective surface and second interior reflective surface, and angle is an acute angle between two interior reflective surface.

Preferred scheme is that angle is 270 ° between the first external reflectance face and the second external reflectance face, and angle is 90 ° between first interior reflective surface and second interior reflective surface.

Print cartridge with said structure has following advantage: one, shading piece does not need to link to each other with float, can move up and down on gravity direction according to the size of self suffered ink buoyancy, and is simple in structure.When in the print cartridge ink being arranged, before it is positioned at the reflecting surface of internal reflection part, can stop that the light of illuminating part is incident upon the internal reflection part, be subjected to light spare not receive light this moment.When not having ink in the print cartridge, shading piece descends on gravity direction because of there not being buoyancy function, removes before the reflecting surface of internal reflection part, can allow to be incident upon the internal reflection part from the light of illuminating part, and reflex to through the internal reflection part and to be subjected to light spare.Therefore can judge whether ink is arranged in the print cartridge, method is simple according to being subjected to light spare whether can receive light.Two, accept the light that tape deck main body side illuminating part sends by external reflectance spare, reflex to the internal reflection part,, and then reflex to the light accepting part of tape deck main body side, changed the sensitization light path, thereby make photosensitive area become big again by internal reflection part reflected back external reflectance spare.Three, the internal reflection part can separate manufacturing with print cartridge, cooperate easily by groove and card post on the print cartridge wall to be mounted in the print cartridge, so the making of internal reflection part and cartridge body all becomes easy.

Description of drawings

Fig. 1 is the assembling schematic diagram of the utility model most preferred embodiment;

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

Fig. 3 is the A-A cutaway view of Fig. 2.

Below in conjunction with accompanying drawing and most preferred embodiment of the present utility model the utility model is described in detail.

The specific embodiment

Print cartridge 100 is removably mounted on the tape deck main body, and wherein the print cartridge installation portion of tape deck main body side is provided with the sensor that is made of relative each other illuminating part and light accepting part.

Referring to Fig. 1, print cartridge 100 comprises that box main body 1, side seal film 2, the disjunctor of being with ink outlet port 5 seal film 3, and wherein disjunctor seals film 3 and is used to seal ink outlet port 5 and gas port 4, and before print cartridge 100 was brought into use, disjunctor sealed film 3 and need tear.Box main body 1 is made by transparent material, comprises framework 11 and lid 12, and wherein the space that surrounds of framework 11 and lid 12 can hold ink.Ink outlet port 5 is located on the framework 11, is provided with the self-closing sealing ring 51 that is used to seal in it.Framework 11 is rectangle basically, have the antetheca 111 of being with ink outlet port 5, the sidewall 112 that is positioned at antetheca 111 widths one side, be positioned at the roof 113 and the lower wall 114 of antetheca 111 short transverse both sides, and be positioned at the opening of sidewall 112 opposite sides, wherein open side can be sealed by lid 12.Lid 12 can be installed on the framework 11 by modes such as thermal welds.In a recess 1111 of antetheca 111 outer surfaces of framework 11, external reflectance spare 6 is installed.Corresponding to external reflectance spare 6, internal reflection part 7 is installed at the inner surface of sidewall 112.In the inside of box main body 1, face a side of the band interior reflective surface 71 of internal reflection part 7, promptly between internal reflection part 7 and antetheca 111, shading piece 8 is installed also, it can move up and down on gravity direction.

The sensor setting that external reflectance spare 6 needs corresponding to the tape deck main body side, internal reflection part 7 parallels setting with external reflectance spare 6.In conjunction with referring to Fig. 2 and Fig. 3, external reflectance spare 6 comprises the reflecting surface of two angled inclinations, is respectively the first external reflectance face 61 and the second external reflectance face 62, and their angles each other are the obtuse angle; The interior reflective surface 71 of internal reflection part 7 also comprises the reflecting surface of two angled inclinations, is respectively first interior reflective surface 711 and second interior reflective surface 712, and their angles each other are acute angle.Reasonablely be, the angle between the first external reflectance face 61 and the second external reflectance face 62 is 270 °, and the angle between first interior reflective surface 711 and second interior reflective surface 712 is 90 °.

When in the print cartridge ink being arranged, shading piece 8 is movable between the interior reflective surface 71 and antetheca 111 of internal reflection part 7 because of buoyancy, the position of shading piece as shown in phantom in Figure 2, cover first interior reflective surface 711 and second interior reflective surface 712, the light that comes self-luminescent part that internal reflection this moment part 7 can't be accepted through 6 reflections of external reflectance spare, so light accepting part also can't receive light.When not having ink in the print cartridge, shading piece 8 does not move down along gravity direction because of there being buoyancy, between the interior reflective surface 71 of internal reflection part 7 and antetheca 111, remove, therefore the light that penetrates from illuminating part can reflex to light accepting part through light path a-b-c-d-e, also be, the light that sends from illuminating part is incident upon the first external reflectance face 61 of external reflectance spare 6, through first interior reflective surface 711 of internal reflection part 7, second interior reflective surface 712 of internal reflection part 7, the second external reflectance face 62 of external reflectance spare 6, reflex to light accepting part again.In view of the above, can whether can receive reverberation according to light accepting part and detect having or not of print cartridge 100 interior inks, simple in structure.

Internal reflection part 7 can be one-body molded with framework 11, but be installation and easy to make, and the inner surface that is preferably in sidewall 112 is established protruded stigma 1121, establishes the draw-in groove 731 that matches with protruded stigma 1121 at the installation portion 73 of internal reflection part 7.Take this, the higher internal reflection part 7 of precision can be made separately, need not with framework 11 integrally formedly, has reduced the manufacture difficulty of box main body 1.

For prevent that shading piece 8 from moving forward and backward in box main body 11, the stopper slot (not shown) can be set at the inner surface of sidewall 112, the width of shading piece 8 can be arranged to identically in addition, move at the width of box main body in order to prevent shading piece 8 with the width of box main body 11.The width of box main body 11 means the distance between sidewall 112 and the lid 12 herein.

External reflectance spare 6 and internal reflection part 7 can directly be made the member with reflection function, also can paste at the reflecting surface place or spray reflectorized material and realize reflective.

Technical conceive of the present utility model is not limited in the foregoing description, can also obtain many different concrete schemes according to design of the present utility model, as external reflectance spare is not necessary, can not establish when being positioned at print cartridge anterior as the sensor when the printing equipment main body side, change that these are small and equivalent transformation all should be included within the described scope of claim.

Claims

1. print cartridge is removably mounted on the tape deck main body, and wherein the print cartridge installation portion of tape deck main body side is provided with the sensor that is made of relative each other illuminating part and light accepting part, and described print cartridge comprises:

The box main body that has ink outlet port, its inside accommodates ink;

It is characterized in that: described print cartridge further comprises:

The internal reflection part is installed in described box main body inside, has two interior reflective surface of certain angle each other;

Shading piece is installed in described box main body inside, can move up and down along gravity direction in described box main body, is incident upon described interior reflective surface to stop or to allow from the light of described illuminating part.

2. according to the described print cartridge of claim 1, it is characterized in that:

Described shading piece is in the face of the band interior reflective surface one side setting of described internal reflection part.

3. according to the described print cartridge of claim 2, it is characterized in that:

Described box main body comprises:

Basically the framework that is cuboid has the antetheca of being with ink outlet port, the sidewall that is positioned at described antetheca width one side, is positioned at the roof and the lower wall of described antetheca short transverse both sides;

Seal the lid of described framework opening.

4. according to the described print cartridge of claim 3, it is characterized in that:

Described inside surface of side wall is provided with the stopper slot that extends along described shading piece gravity direction.

5. according to the described print cartridge of claim 4, it is characterized in that:

Described internal reflection part is installed in described inside surface of side wall.

6. according to the described print cartridge of claim 5, it is characterized in that:

Described inside surface of side wall is provided with protruded stigma;

Described internal reflection part has an installation portion, and described installation portion is provided with the draw-in groove that matches with described protruded stigma.

7. according to the described print cartridge of claim 6, it is characterized in that:

Described shading piece is installed between described internal reflection part and the described antetheca.

8. according to each described print cartridge of claim 1 to 7, it is characterized in that:

The outer surface of described antetheca is provided with the external reflectance spare that parallels with described internal reflection part.

9. described according to Claim 8 print cartridge is characterized in that:

Described external reflectance spare is provided with the first external reflectance face and the second external reflectance face, and the angle between described two external reflectance faces is the obtuse angle;

Described internal reflection part is provided with first interior reflective surface and second interior reflective surface, and angle is an acute angle between described two interior reflective surface.

10. according to the described print cartridge of claim 9, it is characterized in that:

Angle is 270 ° between the first external reflectance face and the described second external reflectance face, and angle is 90 ° between described first interior reflective surface and described second interior reflective surface.