阅读说明：本技术 墨罐单元、打印机 (Ink tank unit, printer ) 是由 小松勇太 于 2019-05-16 设计创作，主要内容包括：本发明提供一种对用户来说使用方便性好的墨罐单元。一种墨罐单元,其被从墨水补充容器补充向墨水喷射头供给的墨水,所述墨罐单元具备：墨罐,其能够容纳所述墨水；墨水入口导管,其用于向所述墨罐内导入所述墨水；键槽部件,其安装于所述墨罐,并且具有孔和凹部,所述孔配置所述墨水入口导管,所述凹部能够与设置于所述墨水补充容器的键部卡合；以及盖部件,其具备将所述墨水入口导管的墨水入口开口封闭或开放的盖,且所述盖部件以第一转动轴为中心,至少在所述盖的封闭状态与开放状态之间转动,在俯视下,所述第一转动轴的轴线配置在与从所述凹部的一端至所述孔的区域重叠的位置。(The present invention provides a kind of good ink tank unit of ease of use for users.A kind of ink tank unit is supplemented the ink supplied to ink-jet head from ink replenishing container, and the ink tank unit has: ink tank can accommodate the ink；Ink entry conduit is used into the ink tank import the ink；Keyway member is installed on the ink tank, and has hole and recess portion, and the hole configures the ink entry conduit, and the recess portion can engage with the key portion for being set to the ink replenishing container；And cover, it has fluid inlet openings closing or open lid by the ink entry conduit, and the cover is centered on the first rotation axis, at least rotated between the closed state and open state of the lid, under vertical view, the configuration of the axis of first rotation axis with from one end of the recess portion to the position that the region in the hole is Chong Die.)

1. a kind of ink tank unit is supplemented the ink supplied to ink-jet head, the ink tank unit from ink replenishing container It is characterized in that having:

Ink tank can accommodate the ink；

Ink entry conduit is used into the ink tank import the ink；

Keyway member is installed on the ink tank, and has hole and recess portion, and the hole configures the ink entry conduit, institute Stating recess portion can engage with the key portion for being set to the ink replenishing container；And

Cover has the fluid inlet openings closing by the ink entry conduit or open lid, and the cover Centered on the first rotation axis, at least rotated between the closed state and open state of the lid,

Under vertical view, the axis of first rotation axis is configured Chong Die with from one end of the recess portion to the region in the hole Position.

2. ink tank unit according to claim 1, which is characterized in that

The cover has the bearing engaged with first rotation axis,

The bearing has been disposed separately multiple.

3. ink tank unit according to claim 2, which is characterized in that

Have multiple ink tanks,

Multiple recess portions of the keyway member are arranged in one direction,

The Bearing configuration is between the adjacent recess portion.

4. ink tank unit according to claim 2 or 3, which is characterized in that

The keyway member has the wall for the rotation for abutting under the open state with the bearing and limiting the cover.

5. ink tank unit according to any one of claim 1 to 3, which is characterized in that

It is also equipped with cover, the cover is in the covering state of the lid of the closed state in covering and does not cover in institute Between the non-covered state for stating the lid of closed state, rotated centered on the second rotation axis,

The cover has handle part, under the open state, in the cover and the institute for being in the non-covered state State the gap that is provided with and can insert a finger between handle part.

6. a kind of printer, has: ink tank unit described in any one of claims 1 to 5；Has the ink-jet head Printing agencies department；And the cap unit of the top of the covering printing agencies department, the printer are characterized in that,

Under vertical view, the ink tank unit is formed with protruding outward than the cap unit.

Technical field

The present invention relates to a kind of ink tank unit and printers.

Background technique

Conventionally, there is known a kind of ink-jet printer, has: the image forming part with main tank；Read the image of original copy Image reading unit；And it is provided with the supplement portion for the supply port to main tank supplement ink.(for example, referring to patent document 1)。

[existing technical literature]

[patent document]

[patent document 1] Japanese Patent Laid-Open 2008-296508 bulletin

In above-mentioned ink-jet printer, when supplementing ink to main tank, in order to expose supply port, need to read image Take portion's moving in rotation.But when carrying out the supplement of ink, by the portion on a printer such as image reading unit (such as scanner) The cap unit of configuration opens such movement, is not easy to know for a user, in addition, since cap unit is bigger, Opening and closing operations trouble etc., there are also rooms for improvement in terms of ease of use.

Summary of the invention

The ink tank unit of the application is supplemented the ink supplied to ink-jet head, the ink tank list from ink replenishing container Member is characterized in that having: ink tank can accommodate the ink；Ink entry conduit is used into the ink tank import The ink；Keyway member is installed on the ink tank, and has hole and recess portion, and the hole configures the ink entry and leads Pipe, the recess portion can engage with the key portion for being set to the ink replenishing container；And cover, have the ink The fluid inlet openings of entry conductor are closed or open lid, and the cover is centered on the first rotation axis, at least in institute State and rotated between the closed state of lid and open state, under vertical view, the configuration of the axis of first rotation axis with from described The position of the region overlapping in one end of recess portion to the hole.

Preferably, the cover of above-mentioned ink tank unit has the bearing engaged with first rotation axis, described Bearing has been disposed separately multiple.

In above-mentioned ink tank unit, it is preferred that have multiple ink tanks, multiple recess portions of the keyway member It is arranged in one direction, the Bearing configuration is between the adjacent recess portion.

In above-mentioned ink tank unit, it is preferred that the keyway member have under the open state with the bearing Abut and limit the wall of the rotation of the cover.

Preferably, above-mentioned ink tank unit is also equipped with cover, and the cover is in covering in described in the closed state Between the covering state of lid and the non-covered state for not covering the lid in the closed state, with the second rotation axis it is The heart rotation, the cover has handle part, under the open state, in the non-covered state the cover with The gap that can be inserted a finger into is provided between the handle part.

The printer of the application, has: above-mentioned ink tank unit；The printing agencies department for having the ink-jet head；With And the cap unit of the top of the covering printing agencies department, the printer is characterized in that, under vertical view, the ink tank unit It is formed with protruding outward than the cap unit.

Detailed description of the invention

Fig. 1 is the perspective view for indicating the structure of ink-jet printer involved in first embodiment.

Fig. 2 is the perspective view for indicating the structure of ink-jet printer involved in first embodiment.

Fig. 3 is the perspective view for indicating the structure of ink-jet printer involved in first embodiment.

Fig. 4 is the perspective view for indicating the structure of ink-jet printer involved in first embodiment.

Fig. 5 is the top view for indicating the structure of ink tank unit involved in first embodiment.

Fig. 6 is the perspective view for indicating the structure of ink replenishing container involved in first embodiment.

Fig. 7 is the sectional view for indicating ink replenishing container and ink tank unit involved in first embodiment.

Fig. 8 A is the perspective view for indicating the structure of cover involved in first embodiment.

Fig. 8 B is the perspective view for indicating the structure of cover involved in first embodiment.

Fig. 9 is to indicate the sectional view of the structure of ink tank unit and method of operating involved in first embodiment.

Figure 10 is to indicate the sectional view of the structure of ink tank unit and method of operating involved in first embodiment.

Figure 11 is to indicate the sectional view of the structure of ink tank unit and method of operating involved in first embodiment.

Figure 12 is the top view for indicating ink replenishing state involved in first embodiment.

Figure 13 is the top view for indicating ink replenishing state involved in first embodiment.

Figure 14 is the sectional view for indicating the structure of ink tank unit involved in second embodiment.

[label declaration]

10: printer；16: cover (cap unit)；16b: a part；25: ink tank；35: keyway member；35a: wall；36: recessed Portion；36a: hole；36b: one end；37: the first rotation axis；37a: axis；38: the second rotation axis；49: ink entry conduit；49a: Fluid inlet openings；50: cover；51: holding member；52: lid；53: handle part；54: bearing；62: ink replenishing container； 64: ink accommodating portion；65: ink outlet forming portion；95: ink outlet；100,100A: ink tank unit；120: key portion.

Specific embodiment

(first embodiment)

The structure of printer 10 is illustrated first.

Fig. 1 to Fig. 4 is the perspective view for indicating the structure of printer 10.Specifically, Fig. 1 shows the appearance of printer 10, Fig. 2 indicates the opening state in printer 10 as the cover 16 of cap unit, and Fig. 3 indicates the discharge shape of medium P in printer 10 State, Fig. 4 indicate the opening state of cover 26 in printer 10.

As shown in Figure 1, printer 10 is to be remembered to the media such as such as paper P injection as the ink of an example of liquid The ink-jet printer of record.

In addition, drafting has mutually orthogonal X-axis, Y-axis and Z axis in Fig. 1.X-axis, Y-axis and the Z axis of Fig. 1 and other X-axis, Y-axis and the Z axis of figure are corresponding.Hereafter scheme also to be attached with X-axis, Y-axis and Z axis as needed shown in.It will be along X-axis Direction is set as X-direction, will be set as Y-direction along the direction of Y-axis, will be set as Z-direction along the direction of Z axis.In addition, by X-direction A direction be set as +X direction, another direction of X-direction is set as -X direction.In addition, a direction of Y-direction is set as Another direction is set as -Y direction by +Y direction.In addition, a direction of Z-direction is set as +Z direction, another direction is set For -Z direction.In the state that printer 10 is set to the X/Y plane parallel with X-direction and Y-direction (horizontal plane), Z-direction is upper Lower direction, +Z direction are upper direction, and -Z direction is lower direction.In addition, Y-direction is front-rear direction, +Y direction in printer 10 Side is front direction (front side), and -Y direction side is rear direction (inboard).In addition, X-direction is left and right directions in printer 10 (width direction).

The ink-jet head (not shown) of the printer 10 of present embodiment including jet ink and including the ink The printing agencies department (not shown) of injector head.Printing agencies department be include driving motor for transport carrier or medium P Deng mechanism.Ink-jet head is equipped on the bracket that can be moved along the X direction, is moved back and forth in the X direction on one side, on one side The medium P jet ink of opposite Y-direction (+Y direction) conveying, to form (record) image on medium P.Printing agencies department Top partes tegmentalis 16 covers.

Printer 10 has apparatus main body 12.Apparatus main body 12 has the cabinet 13 of substantially rectangular parallelepiped and configures in cabinet Original document reading apparatus 14 on 13.Original document reading apparatus 14 has: being made of the transparent glass etc. of the original copy of mounting reading Horizontal original copy mounting surface 15；And the cover 16 of the original copy mounting surface 15 can be covered.

Cover 16 is arranged are as follows: can the closed state (state of Fig. 1) that covers from above original copy mounting surface 15 with from this Closed state is opened and by between the open opening state (state of Fig. 2) of the upper area of original copy mounting surface 15, along width The X-axis in degree direction is that movement is opened and closed in center of rotation.In this case, 15 structure of original copy mounting surface of original document reading apparatus 14 At the upper of the upside towards vertical direction in (being in this case six) outer surfaces multiple possessed by apparatus main body 12 Surface.The cover 16 of present embodiment is ADF (Auto Document Feeder, automatic sheet feeder), is provided with for supplying The paper feed ports 16a of medium P.By can easily be done duplicating, reading process etc. from paper feed ports 16a feeding medium P.

In addition, original document reading apparatus 14 be configured to be opened and closed using the X-axis along width direction as center of rotation it is dynamic Make.In the case where original document reading apparatus 14 is in the open state, hand can be inserted into cabinet 13 by user in order to safeguard.

In the X direction, the same length of the length Yu cover 16 of cabinet 13.In the Y direction, the length of cabinet 13 with The length of cover 16 is also roughly the same, but the length of the position for being provided with ink tank unit 100 of cabinet 13 is than the length of cover 16 It is long.

In the outer surface of cabinet 13, on the front of apparatus main body 12, it is provided with for the discharge from internal discharge medium P Mouth 18.In the lower part of outlet 18, be provided with stacker 19, the stacker 19 be used for by out of cabinet 13 towards along Y-axis The medium P of the front side discharge of depth direction is supported with carrying state.As shown in figure 3, stacker 19 be configured to from Mobile to +Y direction inside cabinet 13, when medium P is discharged, stacker 19 is mobile to +Y direction, Supporting Media P.

In addition, being provided with paper feeding cassette 11 in the -Z direction of stacker 19.In the present embodiment, it configures in z-direction There are two paper feeding cassettes 11.In paper feeding cassette 11, the medium P recorded is accommodated with the state of accumulation.Paper feeding cassette 11 is configured to It can be loaded and unloaded relative to apparatus main body 12.

In addition, being provided with the operation portion 20 by user's operation in the front surface 17 of cabinet 13.Operation portion 20 is along X The width direction in direction is the horizontally long panel of length direction, be provided with the power supply that is operated when opening or closing printer 10 by Button 21, the operation button 22 operated and (such as the liquid of display panel 23 of display operation state etc. when inputting various operation informations Crystal panel).

As shown in Figure 1 and Figure 4, in the front surface 17 of the cabinet 13 of apparatus main body 12 in the direction of the width with operation portion 20 adjacent positions, are provided with ink tank unit 100.Ink tank unit 100 supplies ink to ink-jet head.Ink tank unit 100 wraps Include ink tank 25 etc..Ink tank 25 is the container that can accommodate ink.In the present embodiment, in the feelings for being observed from the front printer 10 Under condition, relative to operation portion 20 in the side (being left side in Fig. 1 and Fig. 4) of width direction, it is provided with (the ink tank unit of ink tank 25 100).In this case, ink tank 25 is arranged as follows: square side (+Y direction) more forward than the front surface 17 of cabinet 13 It is prominent.That is, ink tank 25 ensures the accommodation space of ink in the perimeter of the cabinet 13 of constituent apparatus main body 12.

In addition, being provided with cover 26 on ink tank unit 100.Cover 26 is lived with hand hook by user and is operated, from And cover 26 can be in the closed state (state of Fig. 1) for covering from above ink tank 25 and the opening that the top of ink tank 25 is open State (state of Fig. 4), is opened and closed movement by center of rotation of the X-axis along width direction.That is, cover 26 is as follows Constitute: by the way that finger is hooked on handle 26a, and by rear end using the lower part of the front end side of cover 26 as rotating fulcrum forward Square side rotation, so that cover 26 is from closed state shown in FIG. 1 (covering state) to opening state shown in Fig. 4 (non-covered shape State) carry out opening operation.Also, when cover 26 is set as opening state, by the way that the ink for supplementing ink to ink tank 25 is mended It fills container 62 and is inserted into ink entry conduit 49, ink can be supplemented ink tank 25 (referring to Fig. 5, Fig. 6 and Fig. 7).

In addition, having the visual true of the ink level that can be confirmed from external visual in ink tank 25 in ink tank unit 100 Recognize window 25a.Visual confirmation window 25a can also have and indicate the upper limit level of ink, threshold level and horizontal aobvious among it Show portion.When cover 26 is set as opening state, visual confirmation window 25a remains visible state.In addition, since cover 26 is located at Top (+Z direction) side of visual confirmation window 25a, therefore in ink replenishing, be easy guidance for open the operation of cover 26 without It is the operation of cap unit as opening cover 16.

In addition, the filling of the supplement of ink, ink, the injection of ink refer to, including in the assembly of printer 10 to sky Ink tank 25 fill ink the case where and ink tank 25 ink level become require supplementation with ink threshold level and fill out again The case where filling ink.In turn, it even if not only the ink including ink tank 25 is more than threshold level, also adds ink and increases ink Amount the case where and increase the amount of ink until the case where upper limit level (filling), and including increasing quantity of ink but different It is fixed to upper limit level (filling) the case where.

Then, the structure of ink tank unit 100 is described in detail.

Fig. 5 is the top view for indicating the structure of ink tank unit 100.As shown in figure 5, ink tank unit 100, which has, to be accommodated Ink tank 25, keyway member 35, cover 50 and cover 26 of ink etc..

Ink tank unit 100 has multiple (being in the present embodiment four) ink tanks 25.Multiple ink tanks 25 are arranged along X-axis Column, and there is mutual same structure and shape.In ink tank unit 100, be provided with by multiple ink tanks 25 bundle be The keyway member 35 integrally installed.

In the present embodiment, in multiple ink tanks 25, can be respectively adopted with flowering structure any one: accommodate mutually not The structure of the ink of identical type, the structure of ink for accommodating mutually the same type or multiple in multiple ink tanks 25 Ink tank (such as two ink tanks) accommodates the ink of identical type and other ink tanks accommodate the structure of different types of ink.As ink The type of water, for example, the color of ink.Therefore, in the present embodiment, can divide using in multiple ink tanks 25 Any one of the structure of the ink of mutually different color, the structure for the ink for accommodating mutually the same color are not accommodated.Make For the color of ink, for example, black, yellow, magenta, cyan etc..In turn, it as the type of ink, can also lift Ink, ink with pigment for providing dyestuff etc..

Ink tank 25 has the ink accommodating portion that can accommodate ink, and the ink entry in the top of the ink accommodating portion Conduit 49.Ink entry conduit 49 has the pipe that ink is imported into ink tank 25, is arranged in the front end of ink entry conduit 49 There is fluid inlet openings 49a.

Keyway member 35 has the size across the multiple ink tanks 25 arranged along X-axis.On keyway member 35, it is formed with Multiple recess portions 36 (groove portion).On keyway member 35, it is provided with mode corresponding with the multiple ink tanks 25 arranged along X-axis Recess portion 36.

Recess portion 36 is formed as the direction being recessed from the upper surface of the Z-direction of keyway member 35 towards -Z direction.In recess portion 36 bottom is formed with hole 36a.Hole 36a penetrates through keyway member 35 along Z axis.Hole 36a is the inside in hole 36a along conduct The component of the axial Z-direction configuration ink entry conduit 49 of hole 36a.

On the inner wall extended along YZ plane in the inner wall for constituting each recess portion 36, it is provided with protrusion 59.At one In recess portion 36, protrusion 59 relative to fluid inlet openings 49a central point point symmetry configure.It is being set to keyway member 35 In multiple recess portions 36, the structure of protrusion 59 is different.Therefore, the multiple recess portions 36 for being set to keyway member 35 have mutually not phase Same structure.

In this regard, in aftermentioned ink replenishing container 62, according to the type for the multiple recess portions 36 for being set to keyway member 35, It is provided with key portion 120 corresponding with the protrusion 59 of recess portion 36 that can be suitble to.Thereby, it is possible to regulation respectively be set to keyway portion The type for the ink replenishing container 62 that multiple recess portions 36 of part 35 can engage and (can be suitble to).That is, being set to keyway member 35 Multiple recess portions 36 functioned as with the keyhole of mutually different structure.Further, it is possible to keyway member 35 is set to The ink replenishing container 62 that is suitble to respectively of multiple recess portions 36 functioned as the key being suitble to keyhole.That is, can from key The suitable ink replenishing container 62 in hole injects ink to ink tank 25 via ink entry conduit 49.On the other hand, not suitable with keyhole The ink replenishing container 62 of conjunction is without injecting ink in normal direction ink tank 25.

Fig. 6 is the perspective view for indicating the structure of ink replenishing container 62, and Fig. 7 is to indicate ink replenishing container 62 and ink tank list The sectional view of member 100.

As shown in fig. 6, ink replenishing container 62 is in ampuliform, including ink accommodating portion 64 and ink outlet forming portion 65.Ink Water receiving portion 64 is can to accommodate the part of ink.Ink outlet forming portion 65 be can make ink in ink accommodating portion 64 to The part flowed out outside ink replenishing container 62.

Ink outlet forming portion 65 have the recess portion 36 for being inserted into keyway member 35 corresponding with ink tank 25 and prevent to The key portion 120 of ink tank 25 being mistakenly inserted.When from central axial direction of 95 side of ink outlet to ink outlet 95, key portion The region in the outside for becoming ink outlet 95 on the direction of 120 Xiang Yu ink outlets 95 intersection is protrudedly formed.

As shown in the embodiment, there are multiple (being in the example of fig. 5 four) in ink tank 25, and there are multiple inks to enter It is different from the shape of the corresponding recess portion 36 of each ink entry conduit 49 in the case where mouth conduit 49.In this case, in key In portion 120, and following shape has cooperatively formed multiple protrusions 200: can be with keyway member corresponding with each ink tank 25 The shape that 35 recess portion 36 engages.Thereby, it is possible to be prevented securely to be mistakenly inserted.

Also, as shown in fig. 7, the cover 26 of ink tank unit 100 and cover 50 are set as opening state, make ink replenishing The ink outlet 95 of container 62 covers the ink entry conduit 49 of ink tank 25 in the state of towards -Z direction.Ink enters as a result, Mouth conduit 49 is inserted into the ink outlet 95 of ink replenishing container 62.By the insertion of ink entry conduit 49, setting exists Valve body inside ink outlet 95 is opened.Be contained in as a result, ink in ink accommodating portion 64 via ink entry conduit 49 to Flowing, supplements ink into ink tank 25 in ink tank 25.

Fig. 8 A and Fig. 8 B are the perspective views for indicating the structure of cover 50.

The fluid inlet openings 49a of ink tank 25 is opened and closed (referring to Fig. 5) in cover 50.In the present embodiment, it covers Component 50 is separately positioned in each ink tank 25 of multiple ink tanks 25.User couple lid corresponding with the injection ink tank 25 of ink is wanted Component 50 carries out opening operation respectively, and ink is injected from ink replenishing container 62 to ink tank 25.Multiple covers 50 are in multiple ink Corresponding position of tank 25 is rotatably supported at the upper surface part of keyway member 35.

In the present embodiment, as shown in figure 5, being configured with the key of multiple recess portions 36 on the X-direction as a direction In channel parts 35, the first rotation axis 37 is configured between adjacent recess portion 36.That is, the first rotation axis 37 is to cross over a recess portion 36 State configuration.Cover 50 is rotated centered on the first rotation axis 37.

Here, under vertical view, along the first rotation axis 37 axially extending axis 37a (imaginary line) configuration with from recess portion 36 One end 36b to hole 36a region overlapping position.In addition, one end 36b of the recess portion 36 of present embodiment refers to recess portion 36 End in +Y direction.That is, the axis 37a of the first rotation axis 37 configures one end 36b and hole 36a in recess portion 36 under vertical view Between.In addition, overlooking the case where being directed to -Z direction observation.

First rotation axis 37 is formed with the state that the X-direction along ink tank 25 horizontally extends.As shown in Figure 8 A and 8 B, it covers Component 50 is respectively provided with a holding member 51 and a lid 52 in corresponding each ink tank 25.

Cover 50 has the lid 52 of the fluid inlet openings 49a elastically deformable closed or opened and keeps lid 52 Holding member 51.Holding member 51 has longer elongate in shape in one direction.Holding member 51 includes one end 511, another One end 512 and the side 513 intersected with one end 511 and the other end 512.In the example of the figure, holding member 51 is in one Longer substantially rectangular plate on a direction, with one end 511, the other end 512 and with one end 511 end face and Two sides 513 of the end face of both end faces of the other end 512 intersection.

On one end of holding member 51 511, it is provided with the handle part 53 held by user.Handle part 53 is to from maintaining part The other end 512 of part 51 towards one end 511 direction (front direction) and from the face of 52 side of the lid of holding member 51 (back side) direction The direction (being in the figure upper direction) in the face (surface) of its opposite side extends.In addition, in the other end of holding member 51 512, it is provided with the bearing 54 that can be engaged with the first rotation axis 37.

Bearing 54 has been disposed separately multiple.The two of the X-direction of holding member 51 are arranged in the bearing 54 of present embodiment End.That is, there are two bearings 54 for the tool of cover 50.The section C-shaped that bearing 54 has a part of ring removed, by by axis It holds 54 opening to abut and be pressed into the first rotation axis 37, so that cover 50 be made to engage with the first rotation axis 37.Here, due to First rotation axis 37 configures between adjacent recess portion 36, therefore is engaged by cover 50 with the first rotation axis 37, to make Bearing 54 configures between adjacent recess portion 36.That is, two bearings 54 across the state of a recess portion 36 to engage.It is as a result, Make in the case where configuring multiple recess portion 36 on keyway member 35, since the configuration of bearing 54 is between recess portion 36, can press down The enlargement of keyway member 35 processed.Thereby, it is possible to inhibit the enlargement of ink tank unit 100.

Also, cover 50 is rotated between the closed state and open state of lid 52 centered on the first rotation axis 37. In addition, in the example of fig. 5, two lids 52 in four covers 50 are open state, remaining two lids 52 are closed State.

Lid 52 configures the position between handle part 53 and bearing 54 on holding member 51.Since user can use finger It catches to be located at and operation, therefore user is opened and closed to cover 50 by the handle part 53 of the one end of holding member 51 than lid 52 It is difficult to contact the ink being attached on lid 52.In addition, the length direction of the holding member 51 of cover 50 configures along the Y direction.

The rigidity of holding member 51 is higher than lid 52.Holding member 51 is made of inflexibility component, and lid 52 is by flexible part structure At.As the material of inflexibility component, plastics, metal etc. can be enumerated.In addition, the material as flexible part, can enumerate Rubber, synthetic rubber etc..In addition, keyway member 35 and ink tank 25 are made of inflexibility component.The material of ink tank 25 preferably selects It matches with the characteristic of the ink accommodated or can play the material as function required by ink tank 25.In addition, keeping The material of component 51, the first rotation axis 37 and keyway member 35 can be the same or different.

In connection of the lid 52 relative to holding member 51, various connection structures can be used, but in the present embodiment, Using the bindiny mechanism for considering assembling easiness.Holding member 51 has through-hole 51a in the connecting portion of lid 52.In this implementation In mode, a part of 52a of lid 52 is embedded in through-hole 51a.In turn, on holding member 51, has one for capableing of Supporting cover 52 The support portion 51b divided.Holding member 51 is effectively connect with lid 52 as a result,.In addition, in order to cover fluid inlet openings 49a, Lid 52 has bottomed cylindrical.

In addition, cover 26 is rotatably supported in the upper surface part of keyway member 35.Specifically, in keyway member 35 Upper surface X-direction both ends, and the end of the front direction side of keyway member 35 is provided with the second rotation axis 38 (referring to Fig. 5).Cover 26 is rotated centered on the second rotation axis 38.Specifically, cover 26 is in covering in closed state The covering state (referring to aftermentioned Fig. 9) of the +Z direction side of lid 52 and the non-covered state of lid 52 is not covered (referring to aftermentioned figure 10) it between, is rotated centered on the second rotation axis 38.

Here, as shown in figure 5, fluid inlet openings 49a, the first rotation axis 37 and the second rotation axis 38 are located at than cover At least part 16b of the end of 16 +Y direction side leans on the position of +Y direction side.Also, cover 26 and the configuration of cover 50 exist When cover 26 and cover 50 rotate the position that Shi Buyu cover 16 interferes.Therefore, cover 16 is not opened and is passed through and is only beaten Can opening lid 26, it will be able to realize to ink tank 25 and supplement ink.Therefore, realize that the operation of the supplement of ink is readily appreciated that and becomes to hold Easily, it can be improved the ease of use of user.

In addition, in the present embodiment, since adjacent recess portion 36 is arranged in the first rotation axis 37 that cover 50 rotates Between, and cover 50 is configured in the position relatively close to fluid inlet openings 49a, therefore the opening and closing operations of lid 52 become to hold Easily.Therefore, when supplementing ink, ease of use can be made good.

Fig. 9 to Figure 11 is the structure for indicating ink tank unit 100 and the sectional view of method of operating.Specifically, Fig. 9 is indicated By the fluid inlet openings 49a closed closed state of lid 52 and pass through the covering state of cover 26 by cover 50.Figure 10 It indicates by the fluid inlet openings 49a closed closed state of lid 52 and to pass through the non-covered shape of cover 26 by cover 50 State.Figure 11 indicates to pass through the lid 52 of cover 50 for the open open state of fluid inlet openings 49a and passes through the non-of cover 26 Covering state.Refer to fluid inlet openings 49a not by the closed state of lid 52 in addition, open state could also say that.

As shown in figure 11, keyway member 35 has and abuts under the open state of lid 52 with bearing 54 and limit cover 50 Rotation wall 35a.Specifically, being provided with wall 35a along the Z direction in the +Y direction end of keyway member 35.In as a result, When rotation has occurred centered on the first rotation axis 37 in cover 50, a part and wall of the outer peripheral surface of the bearing 54 of cover 50 35a contact, to limit the rotation of cover 50.Release position due to cover 50 is positioned, and user, which only passes through, to be made Cover 50 rotates the operating space that can readily insure that fill ink.

The open state of lid 52 shown in Figure 11, which is cover 50, rotates 100 ° from the closed state (Fig. 9 and Figure 10) of lid 52 Above state.Specifically, in Fig. 9, on the basis of the upper surface 51c of the holding member 51 under the closed state of lid 52, Angle with the upper surface 51c of the holding member 51 under the open state of lid 52 is 100 ° or more.Thereby, it is possible to fully ensure Space for fill ink operation.Specifically, it can be ensured that be inserted into the ink replenishing container 62 of the supplement of ink Space when ink entry conduit 49.In addition, what cover 50 was rotated from the open state of closed state to the lid 52 of lid 52 Angle is preferably 120 °~150 °.The space that thereby, it is possible to further steadily ensure to operate for fill ink.

In addition, as shown in figure 11, in the state of lid 52 being set as open state and cover 50 is limited by wall 35a, In The degree that the finger of user is inserted into is formed between the front end of the handle part 53 of cover 50 and the back side 26b of cover 26 Gap (space).As a result, when lid 52 is transferred to closed state from open state, user is easy finger being hooked on cover On the handle part 53 of part 50, operation is become easy.

Here, being illustrated to the ink replenishing state for supplementing ink from ink replenishing container 62 to ink tank unit 100.Figure 12 and Figure 13 is the top view for indicating ink replenishing state.Under ink replenishing state, being set as will by the lid 52 of cover 50 Fluid inlet openings 49a open open state and the non-covered state (referring to Fig.1 1) by cover 26, make ink replenishing The ink outlet 95 of container 62 covers the ink entry conduit 49 of ink tank 25 in the state of towards -Z direction (referring to Fig. 7).By This, ink entry conduit 49 is inserted into the ink outlet 95 of ink replenishing container 62, is contained in ink replenishing container 62 Ink to ink tank 25 flow.

Here, indicating the ink replenishing state for the ink replenishing container 62 that such as ink capacity is about 70ml in Figure 12. In this case, ink replenishing container 62 is not being interfered with a part of 16b of the end of the +Y direction side of cover 16 The supplement of ink is carried out under state.In addition, ink replenishing container 62 carries out ink in the state of not interfering with cover 50 The supplement of water.

In addition, indicating the ink replenishing shape for the ink replenishing container 62 that such as ink capacity is about 140ml in Figure 13 State.The ink replenishing container 62 that ink capacity is about 140ml is compared with the ink replenishing container 62 that ink capacity is about 70ml, ink The ink accommodating portion 64 of water adding container 62 becomes larger.Specifically, the diameter of section of ink accommodating portion 64 is increased to 1.2~1.5 Times or so.In this case, as shown in figure 13, also do not occurring with a part of 16b of the end of the +Y direction side of cover 16 The supplement of ink is carried out in the state of interference.In addition, ink replenishing container 62 with cover 50 in the state of not interfering Carry out the supplement of ink.

That is, in the present embodiment, by the way that the configuration of the first rotation axis 37 between adjacent recess portion 36, can be reduced ink The interval of water inlet opening 49a and the axis 37a of the first rotation axis 37.Fluid inlet openings 49a and first turn are reduced as a result, The interval of the axis 37a of moving axis 37, and can correspondingly expand a part of 16b and ink of the end of the +Y direction side of cover 16 The interval of water inlet conduit 49.Even if as a result, for example in the feelings for supplementing ink by the bigger ink replenishing container 62 of diameter Under condition, ink replenishing container 62 can also be made not supplement ink with interfering with cover 16.In other words, compare by diameter In the case that big ink replenishing container 62 supplements ink, though make ink tank unit 100 from a part of 16b of cover 16 outward It is projected into the position not interfered with cover 16, also its overhang can be made smaller.Therefore, it is able to suppress the big of printer 10 Type.

In addition, cover 26 has rib 126, in the covered state, which pushes cover 50 so that lid 52 becomes closing State.Rib 126 is the back side side the 26b protrusion outstanding from cover 26.Also, as shown in figure 9, in rotation cover 50 so that lid After 52 become closed state, when rotating cover 26 and to become covering state, the top surface 126a of rib 126 is by cover 50 Holding member 51 upper surface 51c to -Z direction push.In this way, lid 52 is pushed to -Z direction.Lid 52 becomes closing as a result, State.Therefore, lid 52 can be made effectively to be transferred to closed state from float state by the pushing of the rib 126 of cover 26, because This can prevent ink and leak from black entry conductor 49.

More than, according to the present embodiment, effect below can be obtained.

The first rotation axis 37 that cover 50 rotates is configured in the position relatively close to fluid inlet openings 49a.For example, with The case where one end 36b than recess portion 36 is configured by +Y direction is compared, and the configuration of the first rotation axis 37 is closer to fluid inlet openings The position of 49a.Therefore, the opening and closing operations of lid 52 become easy.Therefore, when supplementing ink, ease of use can be made good.

In addition, being configured by the first rotation axis 37 for rotating cover 50 relatively close to fluid inlet openings 49a's Position can make a part of 16b and fluid inlet openings 49a of cover 16 separated by a distance, and even if be relatively large in diameter in use Ink replenishing container 62 in the case where, can not also carry out the supplement of ink with interfering with cover 16.In turn, it is suppressed that The overhang of a part of 16b of the slave cover 16 of ink tank unit 100 outward, is able to suppress the enlargement of printer 10.

Also, cover 16 is not opened and passes through and only opens cover 26, it will be able to realize to ink tank 25 and supplement ink, realize ink The operation of the supplement of water is readily appreciated that and becomes easy, and can be improved the ease of use of user.

(second embodiment)

Then, second embodiment is illustrated.In the present embodiment, to the knot being different from the first embodiment Structure, i.e. ink tank unit 100A structure be illustrated.In addition, since the structure other than ink tank unit 100A is implemented with first The structure of mode is identical, and and the description is omitted.

Figure 14 is the sectional view for indicating the structure of ink tank unit 100A involved in present embodiment.

Here, in above-mentioned first embodiment, as shown in figure 5, for such as flowering structure: the first rotation axis 37 and second turn The configuration of moving axis 38 makes ink to the rotation of +Y direction side by +Y direction side, cover 26 and cover 50 than fluid inlet openings 49a Water inlet opening 49a is open.

However, in the ink tank unit 100A of present embodiment, as shown in figure 14, the second rotation axis for rotating cover 26 38 are located at the position that +Y direction side is leaned on than fluid inlet openings 49a, and the first rotation axis 37 for rotating cover 50 is located at than ink Water inlet opening 49a leans on the position of -Y direction side.Also, ink tank unit 100A is cover 26 to be rotated to +Y direction side, and cover The structure that part 50 opens fluid inlet openings 49a to the rotation of -Y direction side.That is, the first rotation axis 37 and the second rotation axis 38 Configuration makes the direction for opening cover 26 and the direction phase of opening cover 50 in the position opposed across fluid inlet openings 49a Instead.

In addition, under vertical view, the axis 37a configuration of the first rotation axis 37 with from one end of recess portion 36 (- Y of recess portion 36 The end in direction) to hole 36a region be overlapped position.That is, the configuration of the first rotation axis 37 is between adjacent recess portion 36.

Even if in this way, since the first rotation axis 37 that cover 50 rotates is configured relatively close to fluid inlet openings The position of 49a, therefore the opening and closing operations of lid 52 become easy.

In addition, due to other than structure relevant to the position of the first rotation axis 37, it is identical with first embodiment, because This is omitted the description.

The present invention is not limited to above embodiment, can apply various changes, improvement etc. to above embodiment.With Lower narration variation.

(variation 1) in the first embodiment, the axis 37a of the first rotation axis 37 is configured with along X-axis, but and unlimited Due to this.For example, ink tank 25 arranged along Y-axis and cover 50 also along Y-axis arrangement in the case where, the first rotation axis 37 Axis 37a can also be configured along Y-axis.In addition, in this case, the axis 37a of the first rotation axis 37 can both be located at hole The +Y direction of 36a (fluid inlet openings 49a) can also be located at -Y direction.Even if in this way, can obtain with it is above-mentioned same The effect of sample.

(variation 2) is the configuration of the first rotation axis 37 between adjacent recess portion 36, and first in the first embodiment The divided structure of rotation axis 37, but not limited to this.For example, it is also possible to configure a first connected rotation along X-axis Axis 37.In this case, the first rotation axis 37 is formed in the lower section of recess portion 36.Even if in this way, can obtain with it is upper State same effect.

(variation 3) in the first embodiment, is arranged for the first rotation axis 37 in 35 side of keyway member, and in cover The structure of bearing 54 is arranged in 50 sides, and but not limited to this.For example, it can be 35 side of keyway member be arranged bearing 54, and In 50 side of cover, the structure of the first rotation axis 37 is set.Even if in this way, can obtain effect similar to the above.

(variation 4) in the first embodiment, to the structure of the printer 10 for having the cover 16 as cap unit into Explanation is gone, but not limited to this.As cap unit, other than cover 16 (ADF), being also possible to scanner, (original copy is read Take device), various document covers etc..In turn, in no printer for carrying scanner, cap unit is also possible to printer cover. Alternatively, it is also possible to being to be combined with any one above-mentioned structure.Even if in this way, can obtain effect similar to the above Fruit.

(variation 5) is not limited to the structure of the printer 10 and ink tank 25 illustrated in the above-described embodiment. Can be suitable for spraying other liquid other than ink arbitrary liquid injection apparatus and its be used to accommodate liquid Liquid tank.For example, following various liquid injection apparatus and its liquid tank can be suitable for.

(1) image recording structures such as picture unit；

(2) color material used in the manufacture of the colored filter of the device used for image display such as liquid crystal display is sprayed Device；

(3) in organic EL (Electro Luminescence) display, surface light-emitting display (Field Emission Display, FED) etc. electrode formed used in electrode material injection apparatus；

(4) it is injected in the liquid injection apparatus of the liquid containing organism organic matter used in biochip manufacture；

(5) as the sample injection apparatus of precise pipet；

(6) injection apparatus of lubricating oil；

(7) injection apparatus of resin liquid；

(8) accurately to the liquid injection apparatus of the precision machineries such as clock and watch or camera injection lubricating oil；

(9) ultraviolet light is consolidated in order to be formed in small packaged lens (optical lens) etc. used in optical communication device etc. Change the liquid injection apparatus that the transparent resins liquid such as resin liquid are sprayed on substrate；

(10) liquid injection apparatus of acid or alkalinity etching solution is sprayed for etching substrate etc.；

(11) liquid injection apparatus of other liquid ejecting heads for having the drop for spraying any small quantity.

In addition, so-called " drop " refers to the state of the liquid sprayed from liquid injection apparatus, including granular, tear shape, hangover At Filamentous state.In addition, " liquid " mentioned here, as long as the material that liquid injection apparatus can spray.For example, " liquid " as long as state when substance is in liquid phase material, the material of the liquid condition of high viscosity or low viscosity and It is colloidal sol, gel, other inorganic solvents, organic solvent, solution, liquid resin, liquid as liquid metal (molten metal) The material of state is also included in " liquid ".In addition, a kind of liquid of state as substance is not limited to, by pigment or metallic Etc. solids particle dissolution, dispersion or the mixing of the functional material that are formed in a solvent and substance etc. for being formed is also included within In " liquid ".Also, as the representative example of liquid, ink, the liquid crystal as described in above embodiment can be enumerated Deng.Here, ink refers to various liquid including general water-based ink, oily ink and gel ink, hot-melt ink etc. Composition.

Hereinafter, recording the content derived from embodiment.

Ink tank unit is supplemented the ink supplied to ink-jet head from ink replenishing container, the ink tank unit Be characterized in that having: ink tank can accommodate the ink；Ink entry conduit is used for into the ink tank described in importing Ink；Keyway member is installed on the ink tank, and has hole and recess portion, and the hole configures the ink entry conduit, institute Stating recess portion can engage with the key portion for being set to the ink replenishing container；And cover, have the ink entry The fluid inlet openings of conduit are closed or open lid, and the cover is centered on the first rotation axis, at least in the lid Closed state and open state between rotate, under vertical view, the configuration of the axis of first rotation axis with from the recess portion One end to the hole region overlapping position.

According to this structure, since the first rotation axis of cover rotation is configured in the position relatively close to fluid inlet openings It sets, therefore the opening and closing operations covered become easy.Therefore, when supplementing ink, ease of use can be made good.

Preferably, the cover of above-mentioned ink tank unit has the bearing engaged with first rotation axis, described Bearing has been disposed separately multiple.

It according to this structure, can be across recess arrangement bearing.It is easy to open the first rotation axis close to ink entry as a result, Mouthful, so as to minimize cover.

In above-mentioned ink tank unit, it is preferred that have multiple ink tanks, multiple recess portions of the keyway member It is arranged in one direction, the Bearing configuration is between the adjacent recess portion.

According to this structure, though keyway member be configured with multiple recess portions in the case where, due to Bearing configuration recess portion it Between, therefore it is able to suppress the enlargement of keyway member.Thereby, it is possible to inhibit the enlargement of ink tank unit.

In above-mentioned ink tank unit, it is preferred that the keyway member have under the open state with the bearing Abut and limit the wall of the rotation of the cover.

According to this structure, when rotating cover, bearing is contacted with wall, and cover stops at certain open state. Therefore, when supplementing ink, ease of use is good.In addition, since keyway member is also equipped with the function of the rotation of limitation cover, Therefore it does not need that rotation restricting unit is separately provided, structure can be simplified.

Preferably, above-mentioned ink tank unit is also equipped with cover, and the cover is in covering in described in the closed state Between the covering state of lid and the non-covered state for not covering the lid in the closed state, with the second rotation axis it is The heart rotation, the cover has handle part, under the open state, in the non-covered state the cover with The gap that can be inserted a finger into is provided between the handle part.

According to this structure, it is easy to hold since the cover in open state and cover will not be made to interfere, because This can make ease of use good.In addition, cover can also minimize, Jin Erneng since cover compares miniaturization Enough inhibit the enlargement of ink tank unit entirety.

Printer has: above-mentioned ink tank unit；The printing agencies department for having the ink-jet head；And covering institute The cap unit of the top of printing agencies department is stated, the printer is characterized in that, under vertical view, the ink tank unit is than the lid Unit is formed with protruding outward.

It according to this structure, can be correspondingly by reducing the interval of the first rotation axis of fluid inlet openings and cover Expand the end of cap unit and the interval of ink entry conduit.As a result, for example, even if holding in the ink replenishing for keeping diameter bigger When device engages with recess portion, the interference of ink replenishing container and cap unit can be also prevented.In addition, even if making ink tank unit from sheet Member protrudes outward the position not interfered to ink replenishing container with cap unit, also its overhang can be made smaller.Therefore, It is able to suppress the enlargement of printer.