CN2900171Y - Ink box of ink jet printer - Google Patents
Ink box of ink jet printer Download PDFInfo
- Publication number
- CN2900171Y CN2900171Y CN 200620058737 CN200620058737U CN2900171Y CN 2900171 Y CN2900171 Y CN 2900171Y CN 200620058737 CN200620058737 CN 200620058737 CN 200620058737 U CN200620058737 U CN 200620058737U CN 2900171 Y CN2900171 Y CN 2900171Y
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- ink
- valve
- described valve
- valve block
- storage chamber
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Abstract
The utility model relates to an ink box for ink-jet printer, which comprises an ink storage chamber to store ink, an ink outlet and a valve chamber. Wherein, a flaring valve composed of a valve handle and a valve plate and made of elastic materials is arranged in the valve chamber. The valve plate is positioned in the valve chamber by the valve handle. In addition, one end of the valve handle is hermetically connected with the end of the valve plate with the minimum radial size. The end with the maximum radial size is arranged along the outside of a valve handle fixing end. A convex flexure along the flaring shrinkage of the valve plate is arranged nearby its end with the maximum radial size. The flexure is hermetically connected with the upward surface of the valve chamber and separates the ink storage chamber and ink outlet. The utility model has advantages of large capacity and stable ink supply.
Description
Technical field
The utility model relates to ink-jet printer cartridge, refers in particular to be installed on the ink-jet printer delivery balladeur train, and to printhead or record head supply ink, and the print cartridge that flexibly connects by draw-in groove or flap form between printhead or the record head.
Background technology
The inkjet type record head is the necessary component parts of ink-jet printer.This record head is arranged on the balladeur train of ink-jet printer.The print cartridge of ink-jet printer is being undertaken the task to record head supply printing ink.The storage ink chamber member that early stage print cartridge utilization can produce negative pressure provides negative pressure source, and the porous material of sponge and so on for example is set in storage ink chamber, and the capillary channel of material provides storage ink chamber required negative pressure state thus.One of sidewall of storage ink chamber keeps fluid to be communicated with ink feed chambers, offers an inkjet mouth on other sidewalls.Comprise the print cartridge of storing ink chamber, ink feed chambers and inkjet mouth, be removably installed on the balladeur train usually, and dock, in order to provide printing ink to record head with the record head coupling.Produce at inkjet mouth under the state of expulsion pressure, printing ink flows into record head from this inkjet mouth, and then penetrates from the nozzle of record head, is ejected on the recording medium such as paper.In response to the flowability that causes in the ink self gravitation, the capillary force that the aforementioned porous material that is arranged in the storage ink chamber produces can alleviate or stop storage ink chamber ink inside to leak by inkjet mouth because of fluid pressure.Yet after the introducing porous material, the intrinsic volume of porous material will occupy a part of space of storage ink chamber in storage ink chamber, will reduce effective storage space of ink like this, and one of approach that improves the ink reserves is exactly to enlarge the print cartridge volume.In addition, the capillary force that porous material produces will act on the ink of absorption in it all the time, thereby can not remove contained ink fully from pore, cause black liquid residual.
Eliminate porous material and take one of the technical measures in print cartridge space, utilize cooperating of valve and the corresponding inner chamber of print cartridge exactly.For example american documentation literature US4677447 discloses a kind of print cartridge that utilizes one-way valve structures control ink feed.In this print cartridge, check valve is arranged at the ink supply pipeline that is arranged in the ink storage chamber sidewall, and valve body is located substantially on ink storage chamber cavity outside, does not influence the volume of ink storage chamber, therefore can make ink be full of whole spaces of ink storage chamber basically, thus the reserves of having improved ink effectively.The ink channel that this print cartridge utilizes a umbrella shape valve body firmly to be communicated with ink storage chamber by back-off in the ink supply chamber cooperates the pressure variation in the ink supply chamber to open or close ink channel.When starting the record head ink-jet, the ink supply chamber produces negative pressure.At this moment, the umbrella shape valve body offsets downward because of the pressure differential between ink supply chamber and the ink storage chamber makes the umbrella cover periphery, makes ink flow into the ink supply chamber from ink storage chamber through ink channel.Can realize so continuously to record head supply ink, can keep by the inherent structure characteristic of umbrella shape valve body again and be in suitable pressure reduction state between ink supply chamber and the ink storage chamber.Yet, find that in actual application the result of use of this umbrella shape valve body is unsatisfactory.For example the umbrella shape face of valve body occurs the possibility of reverse turnover, in the bigger situation of ink pressure fluctuation, the umbrella shape face will be forced to return along the umbrella cover central axis direction and turn over, and the umbrella shape face of turnover occur or lose valve function, perhaps occur fracture easily and damage, cause the normal use of print cartridge to be affected; In print cartridge and the fixing non-removable situation of umbrella valve body structure, this valve body damage may directly cause whole print cartridge to be scrapped; On the other hand, this umbrella shape valve body opens at the control ink channel/and comparatively stiff to the response of ink pressure difference in the closed procedure, cause ink channel to close/close action and lag behind record head ink demand, cause ink feed instability etc.
The utility model content
The utility model purpose is to provide a kind of holds that China ink amount is big, production and the cheap ink-jet printer cartridge of use cost.
According to the ink-jet printer cartridge of above-mentioned purpose design, comprise by print cartridge sidewall and top cover surrounding the ink storage chamber that is used to store ink, ink supply port, the valve pocket that is used for supplying ink to recording head for ink-jet printer.Be provided with valve in the valve pocket.This valve comprises valve rod and valve block.Valve block is made by elastomeric material.The vertical top of ink storage chamber and ink supply port is in same horizontal plane substantially.The vertical top of valve pocket is lower than the vertical top of ink storage chamber.The about flare shape of valve block.One end fixed seal connection of valve rod one end and valve block radial dimension minimum forms the valve rod stiff end, and its opposite end is towards the horn mouth shrinkage direction of valve block.Valve rod along self axially and the valve rod stiff end keep a segment distance to be provided with radially overhanging protruding circle.To the outside that is positioned at the valve rod stiff end, the maximum end of its radial dimension has a bend that protrudes out along valve block horn mouth shrinkage direction to one end of valve block radial dimension maximum along stem shaft.Zone between the maximum end of valve block radial dimension smallest end and valve block radial dimension protrudes out to the direction of shrinking back to the valve block horn mouth along stem shaft, formed protrude out terminal along stem shaft to the outside that is positioned at bend back to valve block horn mouth shrinkage direction.Valve rod is fixed in the vertical installing hole of offering on the valve cavity wall by valve rod stiff end and protruding circle.Bend contacts with the vertical upper surface sealing of the valve cavity wall that has vertical installing hole.The valve cavity wall that has vertical installing hole is provided with the fluid passage that runs through this valve cavity wall.This fluid passage is enclosed in the bend.Fluid passage is communicated with ink storage chamber.The valve pocket on the vertical top of valve block is communicated with ink supply port.
Above-mentioned ink-jet printer cartridge can be provided with opposed junction button respectively on print cartridge is parallel to two opposing sidewalls of vertical.
Ink-jet printer cartridge of the present utility model adopts check valve to replace the pressure regulating mechanism of perforated foams as the print cartridge inner chamber, the Rong Mo space of having saved print cartridge, and the effective appearance China ink that has increased print cartridge is measured.The check valve that print cartridge adopts relies on its stable self structure to be communicated with ink storage chamber and ink supply port, and its distinctive moulding that is similar to mushroom can overcome umbrella valve valve block impaired defective easily, thereby guarantees the stability and the continuity of ink feed.At last, adopted by the vertical bottom of ink storage chamber through the mode of check valve to ink supply port vertical middle and upper part ink supply, can guarantee well that not only ink supply port obtained the pressure stable configuration before ink exhausts, and the valve block that is inverted can shift the sealing effect that becomes fluid passage to the ink pressure in the ink supply port, thereby obtain good sealing, stop ink leak.The material character of check valve allows to design or preset the unlatching threshold value of its valve block at the different application environment, cooperates the specified loading range of printhead, with control ink break-make, perhaps reduces the printhead load effectively, improves its service life
Description of drawings
Fig. 1 the utility model ink-jet printer cartridge STRUCTURE DECOMPOSITION schematic diagram.
Fig. 2 a the utility model ink-jet printer cartridge perspective view one.
Fig. 2 b the utility model ink-jet printer cartridge perspective view two.
Fig. 2 c the utility model ink-jet printer cartridge perspective view three.
Fig. 3 the utility model ink-jet printer cartridge valve cutaway view.
Fig. 4 a the utility model ink-jet printer cartridge cutaway view.
Fig. 4 b the utility model ink-jet printer cartridge ink flow schematic diagram.
The specific embodiment
Referring to Fig. 1,2a, 2b, 2c, 3,4a, 4b, the various states of the utility model ink-jet printer cartridge are shown from different angles.The print cartridge direction in space that relates in the application's case is based on the drawing that accompanying drawing is showed, simultaneously identical in the attitude of user mode with print cartridge.
Among Fig. 1, this print cartridge is made of top cover 1, box body 2, the self-closing sealing ring 3 of ink supply port, valve 4, valve seat 5 and valve pocket lid 6.
See Fig. 4 a, under confined state, top cover 1 is fixed in the upper, open end of box body 2 with welding or bonding way, and box body 2 sealing backs are formed the main cartridge that has ink storage chamber 201 and ink supply chamber 202.Ink storage chamber 201 and ink supply chamber 202 cut off by the internal partition 208 of box body 2.In the position corresponding to ink storage chamber 201 places, top cover 1 is provided with ink filling port 12 and the air inlet 11 that communicates with ink storage chamber 201 respectively.Cover wall around the air inlet 11 constitutes the air cavity 13 with cushioning effect to being recessed on, and air inlet 11 promptly is positioned on the top roof of air cavity 13.Filling with the situation of ink, ink filling port 12 is in the partition state by the member sealing of plug or steel ball and so on; Simultaneously the high liquid level (HLL) of ink only can arrive the bottom of air cavity 13, thereby air inlet 11 remains on the state that is communicated with ink storage chamber 201 and outside atmosphere.The bottom in ink supply chamber 202 is formed with ink supply port 203.Assembling has the rubber seal 3 of automatic closing function in the ink supply port 203.Under the accumulating state, the outside port of ink supply port 203 binds sealing by glued membrane 7.Under the user mode, the joint-cutting 31 of inking conduit self sealss circle 3 inserts in the ink supply chamber 202, is communicated with ink supply chamber 202 and uses black mechanism.In the bottom of ink storage chamber 201, be formed for holding the valve pocket 204 of valve 4 and valve seat 5.Valve pocket 204 is communicated with ink storage chamber 201 in vertical bottom by the intercommunicating pore 206 that runs through the print cartridge inwall, and the intercommunicating pore 205 on vertical top by inleakage dividing plate 208 is communicated with ink supply chamber 202.After valve 4 and valve seat 5 assemblings finish, be placed in the valve pocket 204.After in place, on the brace table 210 of the base abuts of valve seat 5 in being arranged on valve pocket 204, the outside opening end of valve pocket 204 binds bonding by diaphragm seal 6.The valve module that valve 4 and valve seat 5 constitute is communicated with ink storage chamber 201 and ink supply chamber 202 by the fluid passage 209 on the valve seat 5 and the control action of valve 4.With regard to the structure of print cartridge, valve seat 5 only provides a supporting role valve 4, therefore, can be in the preparation process of print cartridge with valve seat 5 and box body 2 one injection moldeds, thereby valve seat 5 becomes the inwall of box body 2.Above-mentioned embodiment adopts the making flow process that forms valve pocket 204 from box body 2 bottoms, thus, in view of the combination of valve 4 and valve seat 5, causes adopting the form of individual components to make valve seat 5.If adopt the making flow process that forms valve pocket 204 from box body 2 tops, then box body 2 bottoms need not opening, and corresponding to box body 2 top openings, then the making flow process of box body 2 just can be included the corresponding flow process of valve seat 5.
Referring to Fig. 2 a, 2b, 2c, box body 2 about rectangular bodies.Dividing plate 208 is divided into mutual disconnected ink storage chamber 201 and ink supply chamber 202 with it.Wherein, in view of the task difference that they are born, the volume of ink storage chamber 201 is a bit larger tham ink supply chamber 202.Ink storage chamber 201 and ink supply chamber 202 are in the same horizontal plane basically along the cavity top of vertical.On the box portion bottom wall between ink storage chamber 201 and the ink supply chamber 202, form valve pocket 204 to the mode of print cartridge internal recess with diapire.Valve pocket 204 is communicated with ink storage chamber 201 in vertical bottom by the intercommunicating pore 206 that runs through the print cartridge inwall, is communicated with ink supply chamber 202 on vertical top by the intercommunicating pore 205 that runs through dividing plate 208 or valve cavity wall.The cylindrical ink mouth 203 that mates with inking conduit profile is extended from box body 2 diapires in the bottom in ink supply chamber 202 along vertical.Ink storage chamber 201 has different width with ink supply chamber 202, thus box body 2 corresponding to being parallel to of ink storage chamber 201 and 202 positions, ink supply chamber the hang down sidewall outer surface of direction show a wall thickness variation at aforementioned width.This wall thickness variation is configured for the junction button 207 that docks with the printhead coupling of ink-jet printer or printer through flexural deformation.The quantity of junction button 207 is good with two, and lays respectively on two relative sidewalls of box body 2.
Referring to Fig. 3, the formation of valve 4 comprises valve rod 41 and valve block 42, the axial coincidence of valve rod 41 and valve block 42 among the figure.Valve block 42 is made by the elastomeric material of rubber or silicon rubber and so on, and it is the flare shape substantially.The function of considering valve rod 41 and valve block 42 structurally can be realized by a complete integral body, be that valve rod 41 and valve block 42 can be integrally formed whole valves 4, also can be between separating component, to adopt modes such as gluing, riveted joint, welding, hot melt adhesion to constitute a complete valve, so valve rod 41 also can be made by the elastomeric material of rubber or silicon rubber and so on.
The axial cross-sectional shape of valve rod 41 adopts circle usually, help the location assembling of valve rod 41 in the corresponding mounting hole like this, it can certainly be other polygon, for example equilateral triangle, square, even can be irregular polygon, the installing hole that valve rod 41 is held in corresponding being used to also adopts the shape of adaptation.Equally, valve block 42 can adopt circle along valve rod 41 axial perspective plane shapes, also can be other polygon, and is corresponding, and the valve pocket adaptive with valve block 42 also adopts corresponding shape.
One end 421 of one end of valve rod 41 and valve block 42 radial dimension minimums, that is its loudspeaker contraction mouth, fixed seal connection, and then between forms the butt joint outer surface of continuously smooth.With the upwards expansion slightly of valve rod stiff end 411 footpath of valve block radial dimension smallest end 421 fixed seal connections, so its radial dimension is greater than valve rod 41, and this expansion has bigger thickness, so that provide support strength preferably to valve block 42.Valve rod 1 keeps the position of a segment distance to be provided with radially overhanging protruding circle 412 along self axial α (among Fig. 3 shown in the dotted line) with valve rod stiff end 411.
Shown in Fig. 3 along the stem shaft of valve 4 to sectional structure in, one end 422 of valve block 42 radial dimension maximums is positioned at the outside of valve rod stiff end 411 to α along stem shaft, promptly along stem shaft to α, the maximum end 422 of the radial dimension of valve block 42 opens one section axial distance h in edge and the maintenance of valve rod stiff end 411 axial edge of direction along the valve block horn mouth.The thickness attenuation gradually of valve block 42 maximum end 422 from radial dimension smallest end 421 to radial dimension.The maximum end of the radial dimension of valve block 42 422 is along valve block 42 axial α, and promptly horn mouth opens direction and stretches out, and its radial dimension shrinks a little to some extent simultaneously, the formation shirt rim 4221 of curls inward a little downwards.Have a bend 4222 that protrudes out along valve block horn mouth shrinkage direction near the maximum end 422 of valve block radial dimension, this bend 4222 is formed near the shirt rim 4221 the valve block 42.Zone between the maximum end 422 of valve block radial dimension smallest end 421 and its radial dimension, along stem shaft to α, the direction of shrinking back to the valve block horn mouth protrudes out, protrude out accordingly terminal 423 be positioned at bend 4222 along stem shaft to the outside of α back to valve block horn mouth shrinkage direction, promptly in stem shaft on α, valve block protrudes out terminal 423 distances to valve rod stiff end 411 axial edge, opens the distance of the edge of direction to valve rod stiff end 411 axial edge along the valve block horn mouth greater than valve block shirt rim 4221.
See Fig. 1,3,4a, valve rod 41 is fixed in the vertical installing hole of offering on valve seat 5 or the valve pocket 204 chamber walls by valve rod stiff end 411 and protruding circle 412.Its bend 4222 contacts with valve cavity wall that has aforementioned vertical installing hole or valve seat 5 vertical upper surface sealings.The valve cavity wall or the valve seat 5 that have aforementioned vertical installing hole are provided with the fluid passage 209 that runs through this valve cavity wall or valve seat 5.Fluid passage 209 is enclosed in the annulus at bend 4222 places, and communicates with the intercommunicating pore 206 that is communicated with ink storage chamber 201.Be in the state of the mutual balance of pressure in ink storage chamber 201 and ink supply chamber 202, perhaps ink storage chamber 201 pressure are less than the situation in ink supply chamber 202, after bend 4222 and the valve cavity wall that has aforementioned vertical installing hole or valve seat 5 vertical upper surfaces closely contacts, cut off the connected relation in fluid passage 209 and ink supply chamber 202.
See 4a, 4b, when the pressure of ink storage chamber 201 during greater than the pressure in ink supply chamber 202, ink pressure acts on the valve block of valve, and its bend is broken away from and the contacting of corresponding valve cavity wall, Open valve 4, ink flows into ink supply chamber 202 (shown in Fig. 4 b dotted arrow β) from ink storage chamber 201.
Claims (2)
1. ink-jet printer cartridge, comprise by print cartridge sidewall and top cover and surround the ink storage chamber that is used to store ink, be used for ink supply port and valve pocket to recording head for ink-jet printer supply ink, be provided with valve in the described valve pocket, described valve comprises valve rod and valve block, described valve block is made by elastomeric material, the vertical top that it is characterized in that described ink storage chamber and described ink supply port is in same horizontal plane substantially, the vertical top of described valve pocket is lower than the vertical top of described ink storage chamber, the about flare shape of described valve block, one end fixed seal connection of described valve rod one end and described valve block radial dimension minimum forms the valve rod stiff end, the opposite end of described valve rod is towards the horn mouth shrinkage direction of described valve block, described valve rod axially keeps a segment distance to be provided with radially overhanging protruding circle with described valve rod stiff end along self, one end of described valve block radial dimension maximum along described stem shaft to the outside that is positioned at described valve rod stiff end, the maximum end of described valve block radial dimension has a bend that protrudes out along described valve block horn mouth shrinkage direction, zone between the maximum end of described valve block radial dimension smallest end and described valve block radial dimension protrudes out to the direction of shrinking back to described valve block horn mouth along described stem shaft, protrude out terminal along described stem shaft to the outside that is positioned at described bend back to described valve block horn mouth shrinkage direction, described valve rod is fixed in the vertical installing hole of offering on the described valve cavity wall by described valve rod stiff end and described protruding circle, described bend contacts with the vertical upper surface sealing of the described valve cavity wall that has described vertical installing hole, the described valve cavity wall that has described vertical installing hole is provided with the fluid passage that runs through this valve cavity wall, described fluid passage is enclosed in the described bend, described fluid passage is communicated with described ink storage chamber, and the described valve pocket on the vertical top of described valve block is communicated with described ink supply port.
2. ink-jet printer cartridge according to claim 1 is characterized in that described print cartridge is parallel on two opposing sidewalls of vertical to be respectively arranged with opposed junction button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620058737 CN2900171Y (en) | 2006-05-06 | 2006-05-06 | Ink box of ink jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620058737 CN2900171Y (en) | 2006-05-06 | 2006-05-06 | Ink box of ink jet printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2900171Y true CN2900171Y (en) | 2007-05-16 |
Family
ID=38084337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620058737 Expired - Fee Related CN2900171Y (en) | 2006-05-06 | 2006-05-06 | Ink box of ink jet printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2900171Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007109990A1 (en) * | 2006-03-24 | 2007-10-04 | Print-Rite Technology Development Co., Ltd Of Zhuhai | A valve body, a valve assembly and an ink cartridge |
| CN106183418A (en) * | 2016-08-30 | 2016-12-07 | 中山市泰拓数码科技有限公司 | A kind of second heating apparatus of the jet printer using micro-piezoelectric printhead |
-
2006
- 2006-05-06 CN CN 200620058737 patent/CN2900171Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007109990A1 (en) * | 2006-03-24 | 2007-10-04 | Print-Rite Technology Development Co., Ltd Of Zhuhai | A valve body, a valve assembly and an ink cartridge |
| US7988266B2 (en) | 2006-03-24 | 2011-08-02 | Print-Rite Technology Development Co., Ltd. Of Zhuhai | Ink cartridge for inkjet printer |
| CN106183418A (en) * | 2016-08-30 | 2016-12-07 | 中山市泰拓数码科技有限公司 | A kind of second heating apparatus of the jet printer using micro-piezoelectric printhead |
| CN106183418B (en) * | 2016-08-30 | 2017-11-07 | 中山市泰拓数码科技有限公司 | A kind of second heating apparatus of jet printer using micro- piezoelectric printhead |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070516 |