CN201264416Y - Ink cartridge - Google Patents

Abstract

The utility model relates to an ink box that is applied to an ink-jet printer, which comprises an ink box main body, an indication element and an induction element; the ink box main body is provided with an ink accommodating part and an ink supplying port, and the indication element can move along with the consumption of the ink to indicate the surplus of the ink, and the induction element is movably arranged on the ink box main body and is arranged on the outer part of the ink accommodating part; the indication element is separated from the induction element, and the indication element and the induction element form the absorption coupling through the magnetic force. For the induction element is arranged on the outer part of the ink accommodating part, and the induction element is coupled with the indication element in an absorption way through the magnetic force, and the indication element moves along with the consumption of the ink, and the induction elements moves along with the indication element, so as to measure the surplus of the ink, thus can prevent the ink bubble and the surface tension from influencing the induction element, and can reduce the possibility of the adhering and unsmooth movement, and can improve the detection correctness, and increase the effective capacity of the ink box.

Description

Print cartridge

Technical field

The utility model relates to a kind of print cartridge that is used for ink-jet printer, especially a kind of print cartridge with ink surplus testing agency.

Background technology

Along with the extensive use of ink-jet printer and the further raising of ink-jet technology, realized the quick output of high quality image.In order to solve the ink surplus measurement problem of print cartridge, present most print cartridges have all adopted ink surplus testing agency.

Notification number is that the Chinese invention patent specification of CN1267280C discloses a kind of print cartridge that is used for tape deck, is furnished with the floating part that can realize along with the consumption of ink fluctuating in this print cartridge.Its concrete operation principle is when floating part shelters from the light time that printer sends, ink to be arranged, the print cartridge operate as normal in the prompting print cartridge; After floating part leaves, there is not ink in the conducting light paths prompting print cartridge, printer quits work.This patent print cartridge is compared by chip and is come the print cartridge of metered capacity that some advantages are arranged, such as consumption that can more real reflection ink.The moving-member of this print cartridge has adopted the form of seesaw, its part that is in the light is connected in one by a lever with floating part, in order to increase moment, need must be longer the Design of length of this lever, occupied volume very big in the print cartridge, cause the print cartridge capacity to reduce, the connection of its floating part simultaneously also becomes very complicated.In addition, the light-blocking part branch is arranged in the induction zone that is connected with accumulator, because the space of this induction zone is comparatively narrow and small, and the ink in the accumulator can enter in the middle of the induction zone, the surface tension of issuable bubble and ink cause easily the being in the light sticking wall of part and can't moving causes induction malfunctioning in the induction zone.

Notification number is that the Chinese invention patent Shen Qing Publication specification of CN101015991A discloses a kind of print cartridge, in the accumulator of the ink-feed channel with along continuous straight runs extension, can detect the situation that the residue China ink tails off.Above ink-feed channel, form ledge.Leave enough when black at accumulator chamber internal memory, the part that is in the light that can float over the float part in the China ink stops the light that sends and see through ledge from luminous component.When the residue China ink in the accumulator chamber tailed off, projection moved along the guiding channel that forms between two guiding pieces that extend to oblique lower right, thereby float part is followed black liquid level and do not interfered ground and guiding channel to move abreast with ink-feed channel.Like this, the part that is in the light is left and is no longer stopped the light that sees through ledge from ledge, and light receiving part receives this light.The moving-member of this print cartridge be in the light the part and floating part also be structure as a whole, the part that is in the light also is arranged in the narrow and small induction zone that is connected with accumulator, therefore equally also exist volume bigger, cause the print cartridge capacity to reduce, and light-blocking part divide easily sticking wall to cause problems such as induction is malfunctioning.

The utility model content

The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of print cartridge with ink surplus testing agency is provided, and its ink surplus testing agency is simple in structure, detection sensitivity is high, testing result is reliable.

For achieving the above object, the technical solution adopted in the utility model is: a kind of print cartridge is provided, comprises print cartridge body, indication piece and induction pieces; This print cartridge body has ink accommodation section and ink supply port; Indication piece can produce with consumption of ink and move with indication ink surplus; Induction pieces is arranged on the print cartridge body movably, and is positioned at the outside of ink accommodation section; Described indication piece and induction pieces are separated from each other, and form suction coupling mutually by magnetic force.

As an aspect of the present utility model, described ink accommodation section can be for being formed on the intrinsic ink container of described print cartridge, and described indication piece can be for being arranged at the floating part in this ink container.Produce with consumption of ink in the process of motion at described floating part, described induction pieces remains with described floating part inhales coupling mutually.

As another aspect of the present utility model, described ink accommodation section can also be for being arranged on the intrinsic ink bag of described print cartridge, and described indication piece can be for being connected in the STATEMENT OF FEDERALLY SPONSORED of this ink bag outer surface.Produce with consumption of ink in the process of motion in described STATEMENT OF FEDERALLY SPONSORED, described induction pieces has first state and second state that breaks away from coupling that forms suction coupling mutually with described STATEMENT OF FEDERALLY SPONSORED.

Described induction pieces has first magnetic part, and described indication piece has second magnetic part, and first magnetic part is inhaled coupling mutually with second magnetic part.Preferably, described first magnetic part and second magnetic part are magnetisable coating.Certainly, this magnetisable coating can also adopt other permanent magnet or soft magnetic bodies to replace.

Described induction pieces is arranged in the guide groove that extends along short transverse on sidewall of described print cartridge body movably.

Because in the outside of ink accommodation section, induction pieces is inhaled coupling with indication piece mutually by magnetic force with the induction pieces design, indication piece produces mobile along with the consumption of ink, and then makes induction pieces produce corresponding mobile, realizes the metering to the ink surplus.Can avoid the influence of ink bubbles and ink surface tension like this, reduce, improve the accuracy that detects, and increased the dischargeable capacity of print cartridge because of its sticking wall not smooth possibility of moving to induction pieces.

Description of drawings

Fig. 1 is the vertical view of first kind of embodiment of the present utility model;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the side view of second kind of embodiment of the present utility model;

Fig. 4 is the B-B cutaway view of Fig. 3;

Fig. 5 is the C-C cutaway view of Fig. 3.

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

The specific embodiment

Embodiment one:

Referring to Fig. 1 and Fig. 2, the print cartridge body 1 of this print cartridge has the ink supply port 12 that is used to hold the ink container 11 of ink and is used for supplying to printhead ink, this ink supply port 12 and ink container 11 fluid communication.Ink container 11 has a detection zone 15, one floating parts 2 in the side near ink supply port 12 and is arranged in this detection zone 15.Therefore the proportion of this floating part 2 can float on the liquid level of ink less than the proportion of ink.When the ink in the ink container 11 was consumed, floating part 2 produced downward moving with the decline of ink level.Near being provided with the guide groove 13 that extends along short transverse on the sidewall of ink supply port 12, this guide groove 13 is positioned at ink container 11 outsides at print cartridge body 1, and an induction pieces 3 is slidably disposed in this guide groove 13.Form the state that is separated from each other by sidewall 14 separations of print cartridge body 1 between induction pieces 3 and the floating part 2, simultaneously, adjacent side at induction pieces 3 and floating part 2 is respectively arranged with induction pieces magnetisable coating 31 and floating part magnetisable coating 21, therefore, also form magnetic between induction pieces 3 and the floating part 2 and inhale coupling mutually.Because with the outside of induction pieces 3 designs at ink container 11, in ink container 11, induction pieces 3 forms by magnetic force all the time with floating part 2 inhales coupling mutually, along with the consumption of ink and the decline of liquid level with floating part 2 designs, induction pieces 3 and floating part 2 descend simultaneously, realize the metering to the ink surplus.

Embodiment two:

Referring to Fig. 3 to Fig. 5, the print cartridge body 10 of this print cartridge has the ink supply port 102 that is used to hold the ink bag 101 of ink and is used for supplying to printhead ink, this ink supply port 102 and ink bag 101 fluid communication.One STATEMENT OF FEDERALLY SPONSORED 20 is fixed on the outer surface of ink bag 101 1 sides, and the outer surface of opposite side is fixed on the medial surface of print cartridge body 10.Near being provided with the guide groove 103 that extends along short transverse on the sidewall of ink supply port 102, this guide groove 103 is positioned at ink bag 101 outsides at print cartridge body 10, and an induction pieces 30 is slidably disposed in this guide groove 103.Form the state that is separated from each other by sidewall 104 separations of print cartridge body 10 between induction pieces 30 and the STATEMENT OF FEDERALLY SPONSORED 20, simultaneously, adjacent side in induction pieces 30 and STATEMENT OF FEDERALLY SPONSORED 20 is respectively arranged with induction pieces magnetisable coating 301 and STATEMENT OF FEDERALLY SPONSORED magnetisable coating 201, therefore, also form magnetic between induction pieces 30 and the STATEMENT OF FEDERALLY SPONSORED 20 and inhale coupling mutually.Because induction pieces 30 designs in the outside of ink bag 101, are fixed on ink bag 101 outer surfaces with STATEMENT OF FEDERALLY SPONSORED 20, when the ink in the ink bag 101 was sufficient, induction pieces 30 formed first state of inhaling coupling mutually with STATEMENT OF FEDERALLY SPONSORED 20 by magnetic force; When the ink in the ink bag 101 is consumed, this ink bag 101 is along the thickness direction contraction distortion of print cartridge body 10, STATEMENT OF FEDERALLY SPONSORED 20 produces mobile with the contraction distortion of ink bag 101, when STATEMENT OF FEDERALLY SPONSORED magnetisable coating 201 moves to leftward position among Fig. 4, form second state that breaks away from coupled relation between STATEMENT OF FEDERALLY SPONSORED 20 and the induction pieces 30, to the bottom, stop realization metering to ink surplus by 30 pairs of light of induction pieces this moment to induction pieces 30 in guide groove 103 landings of gravity effect lower edge.

Only be preferred implementation of the present utility model below, 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.For example; magnetisable coating on induction pieces and the indication piece can also adopt the magnet of other type to replace; for example can keep the permanent magnet of its magnetic or iron etc. to be magnetized easily for a long time and produce the soft magnetic bodies etc. of magnetic, of this sort replacement, distortion or improve and all belong to protection domain of the present utility model.

Claims (7)

1, a kind of print cartridge comprises:

The print cartridge body has the ink accommodation section and is attached thereto logical ink supply port;

Be used to detect the movable member of ink surplus;

It is characterized in that:

Described movable member comprises

Indication piece can produce motion with consumption of ink;

Induction pieces is arranged on the described print cartridge body movably, and is positioned at the outside of described ink accommodation section;

Wherein, described indication piece and induction pieces are separated from each other, and form suction coupling mutually by magnetic force.

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

Described ink accommodation section is for being formed on the intrinsic ink container of described print cartridge;

Described indication piece is the floating part that is arranged in this ink container;

Produce with consumption of ink in the process of motion at described floating part, described induction pieces remains with described floating part inhales coupling mutually.

3, print cartridge according to claim 1 is characterized in that:

Described ink accommodation section is for being arranged on the intrinsic ink bag of described print cartridge;

Described indication piece is the STATEMENT OF FEDERALLY SPONSORED that is connected in this ink bag outer surface;

Produce with consumption of ink in the process of motion in described STATEMENT OF FEDERALLY SPONSORED, described induction pieces has first state and second state that breaks away from coupling that forms suction coupling mutually with described STATEMENT OF FEDERALLY SPONSORED.

4, according to each described print cartridge of claim 1 to 3, it is characterized in that:

Described induction pieces has first magnetic part, and described indication piece has second magnetic part, and first magnetic part can form with second magnetic part inhales coupling mutually.

5, print cartridge according to claim 4 is characterized in that:

Described first magnetic part and second magnetic part are magnetisable coating.

6, print cartridge according to claim 4 is characterized in that:

Described first magnetic part is permanent magnet or soft magnetic bodies, and described second magnetic part is permanent magnet or soft magnetic bodies.

7, according to each described print cartridge of claim 1 to 3, it is characterized in that:

Described induction pieces is arranged in the guide groove that extends along short transverse on sidewall of described print cartridge body movably.

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