JP6969179B2 - Liquid supply device - Google Patents

Description

The present invention relates to a liquid supply device including a tank capable of refilling liquid through a supply port.

A printer having a tank capable of replenishing ink and a recording head for ejecting ink supplied from the tank from a nozzle and recording an image on paper is known (see, for example, Patent Document 1). When the ink in the tank is consumed, the user can replenish the ink stored in the bottle from the supply port of the tank.

Japanese Unexamined Patent Publication No. 2012-51306

When the ink stored in the bottle is replenished into the tank through the supply port, the ink may leak out of the tank and flow downward along the outer surface of the tank. In order to make this flowing ink difficult to see from the outside, it is conceivable to cover the tank with a cover. As a result, the ink leaked to the outside of the tank when refilled from the bottle into the tank flows downward along the outer surface of the tank and the inner surface of the cover.

However, the ink that has flowed downward collects at the bottom of the printer. Then, the accumulated ink may leak to the outside of the printer through the gap between the cover and the tank and the housing of the printer.

The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide a liquid supply device capable of reducing the outflow of a liquid to the outside.

(1) The liquid supply device according to the present invention has a housing having a storage space that opens to the outside and a liquid storage chamber, and is supported by a tank housed in the storage space and a bottom surface of the housing. It is provided with a cover that covers a part of the tank. The tank extends in a direction having components in the width direction and the vertical direction along the horizontal direction, and the liquid stored in the liquid storage chamber can be visually recognized from the outside, and the liquid can be stored in the liquid storage chamber. It is provided with a supply port for supplying. The cover is formed with a translucent portion, and extends from the first wall that can be exposed to the outside of the housing and the lower end of the first wall in the crossing direction that intersects the width direction and the vertical direction. A second wall that supports the tank from below and is supported by the housing. The cover covers at least the visible wall of the tank in a state where a predetermined portion of the visible wall can be visually recognized from the outside through the translucent portion. A predetermined space in which the liquid can be stored is formed at least below the cover of the bottom surface of the housing.

According to this configuration, the liquid leaking out of the tank when replenished to the liquid storage chamber through the supply port flows down to the second wall of the cover along the visible wall of the tank and the first wall of the cover. Then, the liquid that has flowed down to the second wall flows in the crossing direction and flows down to a predetermined space. As a result, it is possible to reduce the outflow of the liquid to the outside of the liquid supply device.

(2) On the upper surface of the second wall, a first rib extending in a direction having a component in the crossing direction is formed.

According to this configuration, the liquid that has flowed down to the second wall flows along the first rib due to the capillary phenomenon. This can promote the liquid on the second wall to be guided to the predetermined space.

(3) A through hole is formed in the second wall. On the upper surface of the second wall, a second rib extending in a direction having the component in the width direction is formed. The second rib is located between the through hole and the supply port in the crossing direction, and extends from one end to the other end of the through hole in at least the width direction.

According to this configuration, it is possible to reduce the flow of the liquid that has flowed down to the second wall of the cover through the through hole to the lower side of the cover by the second rib.

(4) A through hole is formed in the second wall. A third rib is formed on the lower surface of the second wall. The third rib extends in a direction having a component in the crossing direction between the end of the lower surface of the second wall in the width direction and the through hole.

According to this configuration, when the liquid that has flowed down to the second wall of the cover flows down the cover through the through hole, the third rib reduces that the liquid reaches the widthwise end of the lower surface of the second wall. can do. As a result, it is possible to reduce the leakage of the liquid from the gap between the end and the housing to the outside of the liquid supply device.

(5) A fourth rib is formed on the upper surface of the second wall. The fourth rib extends away from the supply port toward the center in the width direction on the upper surface of the second wall.

According to this configuration, the liquid that has flowed down to the second wall of the cover can be guided to the center in the width direction of the upper surface of the second wall along the fourth rib by the capillary phenomenon. This makes it possible to reduce the leakage of the liquid from the gap between the widthwise end of the upper surface of the second wall and the housing to the outside of the liquid supply device.

(6) On the upper surface of the second wall, a first rib extending in a direction having a component in the crossing direction is formed. The end of the fourth rib opposite to the center in the width direction is connected to the first rib.

According to this configuration, the liquid flowing along the first rib due to the capillary phenomenon can be easily guided to the fourth rib.

(7) It is arranged in at least the predetermined space of the bottom surface of the housing, and includes an absorber that absorbs liquid.

According to this configuration, the liquid on the second wall can be guided to the absorber. As a result, since the liquid is absorbed by the absorber, it is possible to reduce the outflow of the liquid to the outside of the liquid supply device.

(8) The housing includes a main body having the opening and an attachment fixed to the lower portion of the opening peripheral portion of the main body to support the cover. The absorber includes a first absorber arranged on the bottom surface of the main body and a second absorber arranged on the upper surface of the attachment. The first absorber and the second absorber are in contact with each other.

The body is usually larger than the attachment. Therefore, the first absorber is larger than the second absorber and can absorb more liquid than the second absorber. According to this configuration, the first absorber and the second absorber are in contact with each other. Therefore, the liquid flowing from the cover to the attachment can be guided to the first absorber via the second absorber. As a result, it is possible to prevent the liquid from leaking due to the second absorber absorbing a large amount of liquid.

(9) The second absorber protrudes from the end of the upper surface of the attachment in the crossing direction, and the protruding portion is curved so as to make a U-turn and sandwiches the end up and down. A portion of the second absorber located below the end is in contact with the first absorber.

According to this configuration, it is possible to reduce the flow of liquid along the lower surface of the attachment, which is the back surface of the upper surface of the attachment.

(10) A fifth rib is formed at an end portion in the width direction on the upper surface of the attachment.

According to this configuration, the fifth rib can reduce the liquid flowing down from the cover to the upper surface of the attachment to reach the widthwise end of the upper surface of the attachment. As a result, it is possible to reduce the leakage of the liquid from the gap between the end and the main body to the outside of the liquid supply device.

(11) A through hole is formed in the second wall. A third rib is formed on the lower surface of the second wall. The third rib extends in a direction having a component in the crossing direction between the end of the lower surface of the second wall in the width direction and the through hole. The fifth rib is formed between the upper end of the upper surface of the attachment and the third rib in the width direction.

According to this configuration, the liquid flowing downward of the cover through the through hole is guided to the second absorber arranged on the upper surface of the attachment along the third rib. The fifth rib can reduce the liquid absorbed by the second absorber from reaching the widthwise edge of the top surface of the attachment.

(12) The third rib is in contact with the second absorber.

According to this configuration, the liquid adhering to the third rib is easily absorbed by the second absorber.

(13) There is a gap in the width direction between the surface of the fifth rib facing the center in the width direction and the second absorber.

If the surface of the fifth rib facing the center in the width direction is in contact with the second absorber, the following problems may occur. That is, when the second absorber absorbs a large amount of liquid, the liquid moves from the second absorber to the fifth rib and gets over the fifth rib. According to this configuration, there is a gap in the width direction between the surface of the fifth rib facing the center in the width direction and the second absorber. Therefore, it is possible to reduce the occurrence of the above problems.

According to the liquid supply device according to the present invention, the outflow of the liquid to the outside can be reduced.

FIG. 1 is an external perspective view of the multifunction device 10 according to the present embodiment. FIG. 2 is a vertical sectional view schematically showing the internal structure of the printer unit 11. FIG. 3 is a plan view showing the arrangement of the carriage 23 and the platen 42. FIG. 4 is a perspective view showing the housing 14 and the attachment 52. FIG. 5A is a cross-sectional view of the multifunction device 10 when the opening / closing lid 230 is in the closed position, and FIG. 5B is a cross-sectional view of the multifunction device 10 when the opening / closing lid 230 is in the open position. be. FIG. 6 is a front exploded perspective view of the tank set 99. FIG. 7 is a rear exploded perspective view of the tank set 99. FIG. 8 is a perspective view showing the housing 14 and the tank set 99. FIG. 9 is a downward perspective view of the holding member 120. FIG. 10 is a cross-sectional view of the multifunction device 10 with the opening / closing lid 230 removed. FIG. 11 is an upward perspective view of the holding member 120 in the modified example.

Hereinafter, embodiments of the present invention will be described. It is needless to say that the embodiments described below are merely examples of the present invention, and the embodiments of the present invention can be appropriately changed without changing the gist of the present invention. Further, in the following description, the direction from the start point to the end point of the arrow is expressed as the direction, and the traffic on the line connecting the start point and the end point of the arrow is expressed as the direction. In other words, orientation is a component of direction. Further, the vertical direction 7 is defined based on the posture in which the multifunction device 10 is installed on a horizontal plane so that it can be used (the posture in FIG. 1 and may be referred to as "use posture"), and the multifunction device 10 is defined. The front-rear direction 8 is defined with the surface provided with the opening 13 as the front surface, and the left-right direction 9 is defined when the multifunction device 10 is viewed from the front surface. In the present embodiment, in the usage posture, the vertical direction 7 corresponds to the vertical direction, and the front-rear direction 8 and the horizontal direction 9 correspond to the horizontal direction.

[Overall configuration of multifunction device 10]
As shown in FIG. 1, the multifunction device 10 (an example of a liquid supply device) has a substantially rectangular parallelepiped shape. The multifunction device 10 has a printer unit 11 at the bottom, which records an image on paper 12 (see FIG. 2) by an inkjet recording method. The printer unit 11 includes a housing 14. The housing 14 includes a main body 34 having an opening 13 formed in the front wall 14A, an attachment 52 supported by the main body 34 (see FIG. 4), and an opening / closing lid 230 supported by the attachment 52.

As shown in FIG. 2, inside the main body 34 of the housing 14, the feeding section 15, the feeding tray 20, the discharging tray 21, the transport roller section 54, the recording section 24, and the discharging roller section are included. 55, a platen 42, and a tank set 99 (see FIGS. 6 and 7) are arranged. The multifunction device 10 has various functions such as a facsimile function and a print function.

[Feeding tray 20, discharge tray 21]
As shown in FIG. 1, the feed tray 20 is inserted and removed from the multifunction device 10 by the user along the front-rear direction 8 through the opening 13. The opening 13 is located on the front surface of the multifunction device 10 and at the center of the left-right direction 9. As shown in FIG. 2, the feed tray 20 can support a plurality of stacked sheets 12. The discharge tray 21 is arranged above the feed tray 20. The discharge tray 21 supports the paper 12 discharged from between the recording unit 24 and the platen 42 by the discharge roller unit 55.

[Feeding unit 15]
The feeding unit 15 feeds the paper 12 supported by the feeding tray 20 to the transport path 65. As shown in FIG. 2, the feeding unit 15 includes a feeding roller 25, a feeding arm 26, and a shaft 27. The feeding roller 25 is rotatably supported by the tip of the feeding arm 26. The feed roller 25 rotates in the direction of transporting the paper 12 in the transport direction 16 due to the reversal of the transport motor (not shown). Hereinafter, the rotation of the feeding roller 25, the transport roller 60, and the discharge roller 62 in the direction of transporting the paper 12 in the transport direction 16 is referred to as “forward rotation”. The feeding arm 26 is rotatably supported by a shaft 27 supported by the frame of the printer unit 11. The feeding arm 26 is rotationally urged toward the feeding tray 20 by its own weight or an elastic force due to a spring or the like.

[Transport route 65]
As shown in FIG. 2, the transport path 65 refers to a space in which a part thereof is formed by the outer guide member 18 and the inner guide member 19 facing each other at predetermined intervals inside the printer unit 11. The transport path 65 is a path extending rearward from the rear end portion of the feed tray 20. The transport path 65 is a path that extends upward in the rear part of the printer unit 11 and makes a U-turn forward, passes through the space between the recording unit 24 and the platen 42, and reaches the discharge tray 21. As shown in FIGS. 2 and 3, the transport path 65 between the transport roller section 54 and the discharge roller section 55 is provided in the substantially central portion of the multifunction device 10 in the left-right direction 9, and is provided in the front-rear direction 8. It is extended. The transport direction 16 of the paper 12 in the transport path 65 is indicated by an arrow of the alternate long and short dash line in FIG.

[Conveying roller unit 54]
As shown in FIG. 2, the transport roller unit 54 is arranged upstream of the recording unit 24 in the transport direction 16. The transport roller unit 54 has a transport roller 60 and a pinch roller 61 facing each other. The transfer roller 60 is driven by a transfer motor. The pinch roller 61 rotates with the rotation of the transport roller 60. The paper 12 is sandwiched between the transfer roller 60 and the pinch roller 61 that rotate forward by the forward rotation of the transfer motor, and is conveyed in the transfer direction 16.

[Discharge roller section 55]
As shown in FIG. 2, the discharge roller unit 55 is arranged downstream of the recording unit 24 in the transport direction 16. The discharge roller portion 55 has a discharge roller 62 and a spur 63 facing each other. The discharge roller 62 is driven by a transfer motor. The spur 63 rotates with the rotation of the discharge roller 62. The paper 12 is sandwiched between the discharge roller 62 and the spur 63 that rotate in the forward direction due to the normal rotation of the transfer motor, and is conveyed in the transfer direction 16.

[Recording unit 24]
As shown in FIG. 2, the recording unit 24 is arranged between the transport roller portion 54 and the discharge roller portion 55 in the transport direction 16. The recording unit 24 is arranged so as to face the platen 42 in the vertical direction 7 with the transport path 65 interposed therebetween. The recording unit 24 includes a carriage 23 and a recording head 39.

As shown in FIG. 3, the carriage 23 is supported by guide rails 43 and 44, each of which is extended in the left-right direction 9 at positions separated from each other in the front-rear direction 8. The guide rails 43 and 44 are supported by the frame of the printer unit 11. The carriage 23 is connected to a known belt mechanism provided on the guide rail 44. The belt mechanism is driven by a carriage motor (not shown). The carriage 23 connected to the belt mechanism reciprocates along the left-right direction 9 by driving the carriage motor. The range of movement of the carriage 23 extends to the right and left of the carrier path 65, as shown by the alternate long and short dash line in FIG.

An ink tube 32 and a flexible flat cable 33 extend from the carriage 23.

The ink tube 32 connects the tank set 99 (see FIGS. 6 and 7) and the recording head 39. The ink tube 32 supplies ink (an example of a liquid) stored in each ink tank 100 of the tank set 99 to the recording head 39. The ink tank 100 is an example of a tank. Four ink tubes 32 through which inks of each color (black, magenta, cyan, yellow) are distributed are provided corresponding to each ink tank 100, and are connected to the carriage 23 in a bundled state. ..

The flexible flat cable 33 electrically connects a control board and a recording head 39 on which a control unit (not shown) for controlling the operation of the multifunction device 10 is mounted. The flexible flat cable 33 transmits a control signal output from the control unit to the recording head 39.

As shown in FIG. 2, the carriage 23 is equipped with a recording head 39. A plurality of nozzles 40 are arranged on the lower surface of the recording head 39. The tips of the plurality of nozzles 40 are exposed from the lower surface of the recording head 39. The recording head 39 ejects ink from the nozzle 40 as minute ink droplets. In the process of moving the carriage 23, the recording head 39 ejects ink droplets toward the paper 12 supported by the platen 42. As a result, the image is recorded on the paper 12. Further, this consumes the ink stored in each ink tank 100.

[Platen 42]
As shown in FIGS. 2 and 3, the platen 42 is arranged between the transport roller portion 54 and the discharge roller portion 55 in the transport direction 16. The platen 42 is arranged so as to face the recording unit 24 in the vertical direction 7 with the transport path 65 interposed therebetween. The platen 42 supports the paper 12 conveyed by the conveying roller portion 54 from below.

[Attachment 52]
As shown in FIG. 4, an opening 22 is formed in the right portion of the front wall 14A of the main body 34 of the housing 14. A storage space 17 capable of accommodating a tank set 99 (see FIGS. 6 and 7) is formed on the back side of the opening 22. The opening 22 communicates the inside and the outside of the main body 34. An attachment 52 is provided on the opening peripheral edge portion 22A below the opening 22. The attachment 52 is attached to the main body 34. Specifically, the attachment 52 is fixed to the opening peripheral edge portion 22A below the opening 22 of the main body 34 by screwing. The attachment 52 projects forward from the opening peripheral edge portion 22A. The attachment 52 may be fixed to the main body 34 by means other than screwing such as fitting, or may be integrally formed with the main body 34.

The upper surface 52A (see FIG. 10) of the attachment 52 constitutes a part of the lower surface 14B of the housing 14. As shown in FIG. 4, the upper surface 52A is formed with two engaging portions 48 that engage with the holding member 120 (see FIGS. 6 and 7) of the tank set 99. The two engaging portions 48 are arranged apart from each other in the left-right direction 9 on the upper surface 52A of the attachment 52. When the engaging portion 48 engages with the holding member 120, the attachment 52 supports the holding member 120 (see FIG. 8).

As shown in FIG. 4, the attachment 52 includes a support portion 49 that rotatably supports the opening / closing lid 230. A pair of support portions 49 project from the left and right ends of the attachment 52 to the outside in the left-right direction 9.

[Opening and closing lid 230]
As shown in FIG. 5, an opening / closing lid 230 is attached to the main body 34 via an attachment 52 so as to cover the opening 22. The opening / closing lid 230 is rotatable between a closed position (position shown in FIG. 5A) for closing the opening 22 and an open position (position shown in FIG. 5B) for opening the opening 22. Is.

As described above, the support portions 49 of the attachment 52 are provided in pairs separated from each other in the left-right direction 9 (see FIG. 4). As shown in FIG. 5, the opening / closing lid 230 is rotatable around the rotation axis 230A (rotation center) extending in the left-right direction 9. The rotation axis 230A is a line passing through the center of the support portion 49. The opening / closing lid 230 in the closed position shown in FIG. 5A is held in the closed position by a known means such as fitting or a magnet.

As shown in FIG. 1, the opening / closing lid 230 is formed with an opening 232. When the opening / closing lid 230 is in the closed position, a part of each of the ink tank 100 and the holding member 120 can be visually recognized from the outside through the opening 232. In addition, in FIG. 1, the ink tank 100 and the holding member 120 which are visible through the opening 232 are omitted.

[Tank set 99]
As shown in FIG. 8, the tank set 99 is housed in the storage space 17 (see FIGS. 4 and 5) of the main body 34. The tank set 99 stores ink supplied to the recording head 39. As shown in FIGS. 6 and 7, the tank set 99 includes four ink tanks 100 for storing inks of different colors, a holding member 120 (an example of a cover), and a connecting member 200.

The holding member 120 and the connecting member 200 hold the four ink tanks 100 in a line along the left-right direction 9. The ink tank 100 arranged at the right end has a larger capacity of ink that can be stored than the other ink tanks 100, but the size relationship of the ink tank 100 is not particularly limited.

[Ink tank 100]
As shown in FIGS. 6 and 7, the ink tank 100 as a whole has a shorter dimension along the left-right direction 9, and the dimension along the vertical direction 7 and the front-back direction 8 is smaller than the dimension along the left-right direction 9. Is also a long flat rectangular shape. Further, the dimension of the front-rear direction 8 is longer than the dimension of the vertical direction 7. In addition, in FIGS. 6 and 7, the side surface of the ink tank 100 is open, and the opened side surface is sealed with a film.

The ink tank 100 is made of a resin having a translucency such that the ink in the ink chamber 111 (an example of a liquid storage chamber) for storing ink can be visually recognized from the outside of the ink tank 100.

The ink tank 100 includes a vertical wall 102 (an example of a visible wall) and a sloping wall 106. When the ink tank 100 is mounted on the multifunction device 10, the vertical wall 102 and the inclined wall 106 are located in front of the outer surface of the front wall 14A (see FIG. 1) of the main body 34 of the housing 14. The vertical wall 102 extends in the vertical direction 7 and the horizontal direction 9 (an example in the width direction). The inclined wall 106 extends rearward from the upper end of the vertical wall 102 toward the upper side.

The vertical wall 102 of each ink tank 100 is exposed to the outside of the multifunction device 10 through the opening 81 of the holding member 120 (see FIGS. 6 and 8) and the opening 232 of the opening / closing lid 230 (see FIG. 1). With such a configuration, the vertical wall 102 of each ink tank 100 can be visually recognized from the front of the multifunction device 10, and the user can confirm the remaining amount of ink stored in each ink tank 100.

As shown in FIG. 6, a first line 146 and a second line 147 are formed on the vertical wall 102 of each ink tank 100.

The first line 146 extends in the left-right direction 9. The position of the first line 146 in the vertical direction 7 is at the same height as the liquid level of the ink when the maximum amount of ink that can be stored is stored in the ink chamber 111 in the usage posture of the multifunction device 10. be.

The second line 147 extends in the left-right direction 9. The second line 147 is located below the first line 146. The position of the second line 147 in the vertical direction 7 is the same height as the liquid level of the ink when the minimum amount of ink that requires ink replenishment is stored in the ink chamber 111 in the usage posture of the multifunction device 10. That's right.

As shown in FIG. 7, the protrusion 157 projects rearward from the rear wall 110. The protrusion 157 is hollow. The internal space of the protrusion 157 communicates with the ink chamber 111. The ink needle 223 (see FIG. 6) of the connecting member 200 is inserted into the protrusion 157. The ink needle 223 is directly or indirectly connected to the ink tube 32. As a result, the ink that has entered the internal space of the protrusion 157 from the ink chamber 111 flows out to the ink tube 32 through the ink needle 223.

As shown in FIG. 6, the sloping wall 106 is provided with ribs 148 on its outer surface. The rib 148 is formed below the supply port 112. The rib 148 extends substantially in the left-right direction 9 from the vicinity of the right end to the vicinity of the left end of the inclined wall 106. Specifically, the rib 148 is inclined downward toward the right from the center of the left-right direction 9, and downward toward the left from the center of the left-right direction 9. It is tilted.

Since the rib 148 is formed on the outer surface of the inclined wall 106, even if the ink leaks from the supply port 112 when the ink is injected into the ink chamber 111 through the supply port 112, the leaked ink is a standing wall. Adhesion below the first line 146 on the outer surface of the 102, especially on the outer surface of the standing wall 102, is blocked by the rib 148. Further, since the rib 148 is inclined, the ink adhering to the rib 148 from above is guided to the outside of the ink tank 100 in the left-right direction 9 along the rib 148. As a result, the possibility of ink adhering to the outer surface of the vertical wall 102 can be reduced, so that the visible ink in the ink chamber 111 from the outside of the ink tank 100 through the vertical wall 102 may be hindered by the adhered ink. It has the effect of being able to be lowered.

The rib 148 is not limited to the shape shown in FIG. 6 as long as it has the above effect. For example, the rib 148 may be shorter in the left-right direction 9 than shown in FIG. In this case, it is desirable that the rib 148 extends from the right side of the first line 146 and the second line 147 to the left side of the first line 146 and the second line 147. Further, for example, the rib 148 may extend straight along the left-right direction 9, may be inclined downward from the left end to the right end, or may be inclined downward from the right end to the left end. It may be tilted toward.

Further, the rib 148 is not limited to the position as shown in FIG. 6 as long as the above effect is obtained. For example, the rib 148 may be formed on the vertical wall 102 instead of the inclined wall 106. In this case, it is desirable that the rib 148 is formed above the first line 146.

As shown in FIGS. 6 and 7, the ink tank 100 has an atmospheric communication passage 170. The atmospheric communication passage 170 is a communication passage for communicating the ink chamber 111 and the outside of the ink tank 100.

The inclined wall 106 of the ink tank 100 is formed with a supply port 112 for injecting ink into the ink chamber 111. The supply port 112 is exposed to the outside of the multifunction device 10 through the opening 22 by positioning the opening / closing lid 230 in the open position.

When the liquid level of the ink stored in the ink chamber 111 of the ink tank 100 reaches a height of the second line 147 or less, the ink stored in the bottle (not shown) is replenished to the ink chamber 111 by the user through the supply port 112. Will be done. By arranging the supply port 112 on the inclined wall 106, it is easy to replenish the ink into the ink tank 100 from diagonally above the supply port 112.

[Holding member 120]
As shown in FIGS. 6 and 7, the holding member 120 holds four ink tanks 100 in a line from the front in the front-rear direction 8 along the left-right direction 9. The holding member 120 is a box-shaped member having an opening at the rear. The holding member 120 covers the front portion of the ink tank 100 in a state where the ink tank 100 is held.

The holding member 120 includes a vertical wall 76 (an example of a first wall), an inclined wall 77, a right wall 72, a left wall 73, an upper wall 74, and a lower wall 75 (an example of a second wall).

As shown in FIG. 8, in a state where the ink tank 100 is mounted on the multifunction device 10, the vertical wall 76 and the inclined wall 77 are in front of the outer surface of the front wall 14A of the main body 34 of the housing 14, that is, from the outer surface. Is also located on the outside of the main body 34.

As shown in FIG. 6, the standing wall 76 extends in the vertical direction 7 and the horizontal direction 9. The inclined wall 77 extends rearward from the upper end of the standing wall 76 toward the upper side.

The right wall 72 is a wall extending rearward along the front-rear direction 8 from the right end of the standing wall 76 and the right end of the inclined wall 77. The left wall 73 is a wall extending rearward along the front-rear direction 8 from the left end of the standing wall 76 and the left end of the inclined wall 77. The upper wall 74 is a wall extending rearward from the upper end of the inclined wall 77 along the front-rear direction 8. The right end of the upper wall 74 is connected to the upper end of the right wall 72. The left end of the upper wall 74 is connected to the upper end of the left wall 73.

As shown in FIGS. 7 and 9, the lower wall 75 is a wall extending rearward from the lower end of the standing wall 76 along the front-rear direction 8 (an example of the crossing direction). The right end of the lower wall 75 is connected to the lower end of the right wall 72. The left end of the lower wall 75 is connected to the lower end of the left wall 73.

The lower wall 75 supports the ink tank 100 from below with the holding member 120 covering the front portion of the ink tank 100. A through hole 78 is formed in the lower wall 75. The through hole 78 is formed corresponding to each ink tank 100. The through hole 78 positions the ink tank 100 with respect to the holding member 120 by engaging with a protrusion (not shown) formed on the lower surface of the ink tank 100. The means for positioning the ink tank 100 with respect to the holding member 120 is not limited to the one using the through hole 78 and the protrusion, and various known means can be adopted.

As shown in FIG. 6, a plurality of openings 81 (an example of a translucent portion) are formed in the vertical wall 76 of the holding member 120. The openings 81 are formed at intervals of 9 in the left-right direction. Each opening 81 corresponds to four ink tanks 100. In a state where the holding member 120 holds each ink tank 100 and the opening / closing lid 230 is in the closed position, the first line 146 and the second line 147 formed on the vertical wall 102 of each ink tank 100 are the holding member 120. It can be exposed to the outside of the printer unit 11 through the opening 81 and the opening 232 of the opening / closing lid 230. That is, the holding member 120 covers at least the vertical wall 102 of the ink tank 100 in a state where a predetermined portion of the vertical wall 102 is visible from the outside through the opening 81. Here, the predetermined portion is the first line 146 and the second line 147 and their peripheral portions in the vertical wall 102 of each ink tank 100.

A plurality of openings 82 are formed in the inclined wall 77 of the holding member 120. The openings 82 are formed at intervals of 9 in the left-right direction. Each opening 82 corresponds to four ink tanks 100. In a state where the holding member 120 holds each ink tank 100, the supply port 112 of each ink tank 100 can be exposed to the outside of the holding member 120 through the opening 82.

A plurality of caps 113 are attached to the front portion of the upper wall 74 of the holding member 120. Note that FIGS. 6 and 7 show a state in which the cap 113 is not attached to the holding member 120. Each cap 113 corresponds to four ink tanks 100. Each cap 113 is molded from an elastically deformable material such as rubber or elastomer. The cap 113 can be moved to a sealing position and a separated position in a state of being attached to the holding member 120. The cap 113 at the sealing position seals the supply port 112 in a liquid-tight manner. The supply port 112 is opened while the cap 113 is located at a separated position. As a result, it becomes possible to inject ink into the ink chamber 111 through the supply port 112.

As shown in FIG. 8, the holding member 120 is engaged with the attachment 52 at the front portion of the lower surface. Although the engagement portion between the holding member 120 and the attachment 52 is not shown in detail in FIG. 8, the engaging portion 48 of the attachment 52 shown in FIG. 4 is formed on the lower surface 75B of the lower wall 75 of the holding member 120. Engage with recess 121 (see FIG. 9). In a state where the engaging portion 48 is engaged with the recess 121, the lower wall 75 of the holding member 120 is supported by the upper surface 52A of the attachment 52 (a part of the bottom surface 14B of the housing 14, see FIG. 10).

[Ribs 91, 92, 93 formed on the lower wall 75 of the holding member 120]
As shown in FIG. 7, a rib 91 (an example of a first rib) and a rib 92 (an example of a second rib) are formed on the upper surface 75A of the lower wall 75 of the holding member 120.

Two ribs 91 are formed corresponding to the through holes 78 so as to sandwich the through holes 78 in the left-right direction 9. The rib 91 extends along the front-rear direction 8. The front end of the rib 91 is located in front of the through hole 78. The rear end of the rib 91 is located at the rear end of the upper surface 75A.

One rib 92 is formed corresponding to each through hole 78. The rib 92 is located in front of the through hole 78. Further, the rib 92 is located behind the supply port 112. That is, the rib 92 is located between the through hole 78 and the supply port 112 in the front-rear direction 8. The rib 92 extends in a direction having components in the left-right direction 9. The rib 92 extends from the left side of the corresponding through hole 78 and to the right side of the corresponding through hole 78. In the present embodiment, the rib 92 is inclined toward the rear toward the right from the center of the through hole 78 in the left-right direction 9, and is leftward from the center of the through hole 78 in the left-right direction 9. It is inclined toward the rear as it goes toward.

As shown in FIG. 9, a rib 93 (an example of a third rib) is formed on the lower surface 75B of the lower wall 75 of the holding member 120. The rib 93 extends in a direction having components in the anteroposterior direction 8. The front end of the rib 93 is located in front of the through hole 78. The rear end of the rib 91 is located behind the through hole 78. Two ribs 93 are formed. One rib 93 is located between the rightmost through hole 78 formed in the left-right direction 9 and the right end 75R of the lower surface 75B of the lower wall 75. The other rib 93 is located between the leftmost through hole 78 and the left end 75L of the lower surface 75B of the lower wall 75. The rib 93 is in contact with the second absorber 182, which will be described later.

[Rib 95 formed on attachment 52]
As shown in FIG. 4, a rib 95 (an example of a fifth rib) is formed on the upper surface 52A of the attachment 52. The rib 95 is formed at the left end portion of the upper surface 52A. In FIG. 4, the rib 95 is formed only on the left end portion of the upper surface 52A, but the rib 95 may also be formed on the right end portion of the upper surface 52A.

With the attachment 52 supporting the holding member 120, the rib 95 is located between the other rib 93 of the two ribs 93 (between the leftmost through hole 78 and the left end of the lower surface 75B of the lower wall 75). It is located to the left of the rib 93) located in. Further, the rib 95 is located to the right of the left end of the upper surface 95A. That is, the rib 95 is located between the other rib 93 and the left end of the upper surface 95A in the left-right direction 9.

When the rib 95 is also formed on the right end portion of the upper surface 52A, the rib 95 formed on the right end portion is the one rib 93 (the through hole 78 formed on the far right and the lower side) in the left-right direction 9. It is located between the rib 93) located between the right end of the lower surface 75B of the wall 75 and the right end of the upper surface 95A.

The presence or absence of the rib 95 is arbitrary. Further, the rib 95 may be located at a position other than between the rib 93 and the end of the upper surface 95A in the left-right direction 9 in the left-right direction 9.

[Absorbent 180]
As shown in FIGS. 4 and 10, the absorber 180 is arranged on the bottom surface 14B of the housing 14. The absorber 180 is made of a porous material such as polyurethane foam. When the ink enters the pores formed in the porous material, the ink is absorbed by the absorber 180. The absorber 180 is arranged at least below the holding member 120 in a state where the tank set 99 is housed in the storage space 17 of the main body 34 (see FIG. 8). The absorber 180 includes a first absorber 181 and a second absorber 182.

The first absorber 181 is arranged on the bottom surface 34A of the main body 34 of the bottom surface 14B of the housing 14. The first absorber 181 is in a state where the tank set 99 is housed in the storage space 17 of the main body 34 (see FIG. 8) from a position facing the tank set 99 in the vertical direction 7 to a position behind the tank set 99. It is arranged over. The arrangement position of the first absorber 181 is not limited to the above. For example, the first absorber 181 may be arranged only at a position facing the tank set 99 in the vertical direction 7 in a state where the tank set 99 is housed in the storage space 17 of the main body 34 (see FIG. 8). ..

As shown in FIGS. 4 and 10, the second absorber 182 is arranged on the upper surface 52A of the attachment 52 in the bottom surface 14B of the housing 14. As shown in FIG. 10, the second absorber 182 projects rearward from the rear end portion 52B (an example of the end portion) of the attachment 52, and the protruding portion is curved so as to make a U-turn. As a result, the second absorber 182 vertically sandwiches the rear end portion 52B of the attachment 52. That is, the second absorber 182 reaches the lower surface 52C of the attachment 52 from the upper surface 52A of the attachment 52 via the rear end portion 52B of the attachment 52. The portion of the second absorber 182 that is in contact with the lower surface 52C of the attachment 52, that is, the portion located below the rear end portion 52B, is in contact with the first absorber 181.

As shown in FIG. 4, the second absorber 182 is arranged so as to surround the rib 95 from the right, left, and rear. In this state, the second absorber 182 is in contact with the left surface of the rib 95 and the rear surface of the rib 95. On the other hand, there is a gap in the left-right direction 9 between the second absorber 182 and the surface of the rib 95 facing the center of the left-right direction 9 (in the case of the rib 95 shown in FIG. 4, the right surface of the rib 95). G is formed. The presence or absence of the gap G is arbitrary.

[Connecting member 200]
As shown in FIGS. 6 and 7, the connecting member 200 holds four ink tanks 100 in a line from the rear in the front-rear direction 8 along the left-right direction 9. The connecting member 200 has a support body 201 and a connecting portion 202. The connecting member 200 is configured by combining the connecting portion 202 from the rear of the support main body 201. In the present embodiment, the support main body 201 and the connecting portion 202 are configured as separate members, but the support main body 201 and the connecting portion 202 may be integrally formed.

The support main body 201 is fixed to and supported by the main body 34 of the housing 14. Four grooves 210 extending along the front-rear direction 8 are formed on the upper surface of the support main body 201. The front end of the groove 210 is open forward. The width of each groove 210 in the left-right direction 9 is slightly larger than the width of the four ink tanks 100. Each groove 210 serves as a guide that allows the four ink tanks 100 integrally held by the holding member 120 to slide in the front-rear direction 8 while positioning in the left-right direction 9 when connected to the connecting member 200. Function.

Above the groove 210 of the support main body 201, rods 217 protruding forward are provided. The rear wall 110 of each ink tank 100 comes into contact with the front end of each rod 217, whereby the position behind each ink tank 100 is determined.

The connecting portion 202 has a connecting plate 221, a guide cylinder 222, an ink needle 223, an ink flow path 224, and a joint 225. The connecting plate 221 is fixed to the support body 201 by screws 226.

The guide cylinder 222 has a cylindrical shape that protrudes forward from the connecting plate 221. The guide cylinder 222 is located above the groove 210. Four guide cylinders 222 are arranged side by side in the left-right direction 9 corresponding to each groove 210. The guide cylinder 222 can accommodate the protruding portion 157 of the ink tank 100 in its internal space. When the ink needle 223 is inserted into the through hole of the protruding portion 157, the guide cylinder 222 accommodates the protruding portion 157 to position the ink needle 223 and the protruding portion 157.

In the internal space of the guide cylinder 222, an ink needle 223 that is a coaxial line with the guide cylinder 222 is arranged. The ink needle 223 is a tube extending in the front-rear direction 8. By inserting the ink needle 223 into the protruding portion 157 of the ink tank 100, the internal space of the ink needle 223 and the ink chamber 111 of the ink tank 100 communicate with each other.

An ink flow path 224 is formed on the rear surface of the connecting plate 221. The ink flow path 224 is configured as an independent flow path corresponding to each ink needle 223. The ink flow path 224 is formed by sealing the opening surface (rear surface) of the groove formed on the rear surface of the connecting plate 221 with a film (not shown). Each ink flow path 224 is continuous with the opening at the rear end of each ink needle 223. Further, each ink flow path 224 is continuous with each joint 225 formed on the upper portion of the connecting plate 221. An ink tube 32 is connected to each joint 225. The connecting portion 202 constitutes an ink flow path that communicates from the ink chamber 111 of the ink tank 100 to the ink tube 32.

[Action and effect of this embodiment]
According to the present embodiment, the ink leaked to the outside of the ink tank 100 when replenished to the ink chamber 111 through the supply port 112 is along the vertical wall 102 of the ink tank 100 and the vertical wall 76 of the holding member 120. It flows down to the lower wall 75. Then, the ink that has flowed down to the lower wall 75 flows along the rib 91 due to the capillary phenomenon. As a result, the ink on the lower wall 75 can be guided to the absorber 180 arranged in the housing 14 that supports the lower wall 75. As a result, since the ink is absorbed by the absorber 180, it is possible to reduce the outflow of the ink to the outside of the multifunction device 10.

Further, according to the present embodiment, the rib 92 can reduce the ink that has flowed down to the lower wall 75 of the holding member 120 from flowing below the holding member 120 through the through hole 78.

Further, according to the present embodiment, when the ink that has flowed down to the lower wall 75 of the holding member 120 flows below the holding member 120 through the through hole 78, the ink flows to the right end or the left end of the lower surface 75B of the lower wall 75. Reach can be reduced by the rib 93. As a result, it is possible to reduce the leakage of the ink from the gap between the right end or the left end of the lower surface 75B and the housing 14 to the outside of the multifunction device 10.

Normally, the main body 34 is larger than the attachment 52. Therefore, the first absorber 181 is larger than the second absorber 182 and can absorb more ink than the second absorber 182. According to the present embodiment, the first absorber 181 and the second absorber 182 are in contact with each other. Therefore, the ink flowing from the holding member 120 to the attachment 52 can be guided to the first absorber 181 via the second absorber 182. As a result, it is possible to prevent ink leakage due to the second absorber 182 absorbing a large amount of ink.

Further, according to the present embodiment, it is possible to reduce the ink flowing down from the holding member 120 to the upper surface 52A of the attachment 52 to reach the right end or the left end of the upper surface 52A of the attachment 52 by the rib 95. As a result, it is possible to reduce the leakage of the ink from the gap between the right end or the left end of the upper surface 52A and the main body 34 to the outside of the multifunction device 10.

Further, according to the present embodiment, the ink flowing downward of the holding member 120 through the through hole 78 is guided to the second absorber 182 arranged on the upper surface 52A of the attachment 52 along the rib 93. The rib 95 can reduce the ink absorbed by the second absorber 182 from reaching the right end or the left end of the upper surface 52A of the attachment 52.

If the surface of the rib 95 facing the center in the left-right direction 9 is in contact with the second absorber 182, the following problems may occur. That is, when the second absorber 182 absorbs a large amount of ink, the ink moves from the second absorber 182 to the rib 95 and gets over the rib 95. According to the present embodiment, there is a gap G in the left-right direction 9 between the surface of the rib 95 facing the center in the left-right direction and the second absorber 182. Therefore, it is possible to reduce the occurrence of the above problems.

[Modification example]
As shown in FIG. 11, a rib 94 (an example of a fourth rib) may be formed on the upper surface 75A of the lower wall 75 of the holding member 120. The rib 94 extends rearward toward the center of the left-right direction 9 on the upper surface 75A. In other words, the rib 94 extends away from the supply port 112 toward the center of the left-right direction 9 on the upper surface 75A. The left and right ends of the rib 94 are connected to the rib 91.

In FIG. 11, three ribs 91 and three ribs 94 are formed, but the number of ribs 91 and 94 is not limited to three. Further, the rib 91 and the rib 94 may not be connected to each other.

According to this modification, the ink that has flowed down to the lower wall 75 of the holding member 120 can be guided along the rib 94 to the center of the upper surface 75A of the lower wall 75 in the left-right direction 9 by the capillary phenomenon. As a result, it is possible to reduce the leakage of the ink from the gap between the right end or the left end of the upper surface 75A of the lower wall 75 and the housing 14 to the outside of the multifunction device 10.

Further, according to this modification, the rib 94 and the rib 91 are connected to each other. Therefore, the ink flowing along the rib 91 due to the capillary phenomenon can be easily guided to the rib 94.

The presence or absence of the rib 91 is arbitrary. The direction in which the rib 91 extends is not limited to the front-rear direction 8, and may extend in the direction having the components in the front-rear direction 8. For example, the rib 91 may extend to the right or to the left toward the rear.

The positions of the front end and the rear end of the rib 91 are not limited to the positions shown in FIG. 7. For example, the front end of the rib 91 may be located at the front end of the upper surface 75A. Further, the rear end of the rib 91 may be located in front of the rear end of the upper surface 75A. In this case, the rear end of the rib 91 is preferably located behind the through hole 78. Further, for example, the rib 91 may extend from the rear surface of the inclined wall 77 or the vertical wall 76 of the holding member 120 to the upper surface 75A of the lower wall 75.

The presence or absence of the rib 92 is arbitrary. For example, the rib 92 is unnecessary if the holding member 120 is not formed with the through hole 78. Further, the shape of the rib 92 extends in a direction having a component in the left-right direction 9, and extends from one end to the other end of the corresponding through hole 78 in at least the left-right direction 9, respectively. The shape may be other than the shape shown in. For example, the left end of the rib 92 may be at the same position as the left end of the corresponding through hole 78 in the left-right direction 9, and the right end of the rib 92 may be at the same position as the right end of the corresponding through hole 78 in the left-right direction 9. Further, the rib 92 may be configured by combining a plurality of ribs corresponding to each through hole 78. In this case, each of the plurality of ribs can take various shapes.

The presence or absence of the rib 93 is arbitrary. Further, the extending direction of the rib 93 is not limited to the direction shown in FIG. 9, and may extend in the direction having the components in the front-rear direction 8. In the above embodiment, the rib 93 is in contact with the second absorber 182, but may not be in contact with the second absorber 182.

The housing 14 does not have to include the attachment 52. In this case, the opening / closing lid 230 and the holding member 120 are supported by the main body 34 of the housing 14. Further, in this case, the absorber 180 does not include the second absorber 182.

The configuration in which the first absorber 181 and the second absorber 182 come into contact with each other is not limited to the configuration described in the above embodiment. For example, the second absorber 182 may come into contact with the first absorber 181 by the portion of the second absorber 182 protruding downward from the rear end portion 52B of the attachment 52.

The presence or absence of the absorber 180 is arbitrary. Specifically, the multifunction device 10 may include the first absorber 181 but not the second absorber 182, or may include the second absorber 182 but not the first absorber 181. It may or may not have both the first absorber 181 and the second absorber 182. When the multifunction device 10 does not include the first absorber 181 a space (an example of a predetermined space) capable of storing ink is formed at a position corresponding to the arrangement position of the first absorber 181. The space is, for example, a space composed of a bottom surface 34A of the main body 34 and a peripheral wall erected from the bottom surface 34A. When the multifunction device 10 does not include the second absorber 182, a space (an example of a predetermined space) capable of storing ink is formed at a position corresponding to the arrangement position of the second absorber 182. The space is, for example, a space composed of an upper surface 52A of the attachment 52 and a peripheral wall erected from the upper surface 52A.

In the above embodiment, the holding member 120 is provided with an opening 81. Then, a predetermined portion of the vertical wall 102 of each ink tank 100 was exposed to the outside of the holding member 120 through the opening 81. As a result, a predetermined portion of the vertical wall 102 of each ink tank 100 was visible from the outside of the holding member 120 through the opening 81. However, the configuration of the holding member 120 that makes a predetermined portion of the vertical wall 102 of each ink tank 100 visible is not limited to the opening 81. For example, the portion corresponding to the predetermined portion of the vertical wall 76 of the holding member 120 may be made of a translucent material such as glass. As a result, a predetermined portion of the vertical wall 102 of each ink tank 100 may be visible from the outside of the holding member 120 via the vertical wall 76. In this case, the portion of the holding member 120 made of a translucent material is an example of the translucent portion.

The opening 22 may be formed in a portion other than the right portion of the front wall 14A of the main body 34 of the housing 14. For example, the opening 22 may be formed on the right wall, the left wall, the upper wall, or the like of the main body 34.

In the ink tank 100, the supply port 112 may be formed in addition to the inclined wall 106. For example, when the ink tank 100 has a rectangular parallelepiped shape without the inclined wall 106, the supply port 112 may be formed on the upper wall of the ink tank 100. In this case, the ink stored in the bottle is replenished into the ink tank 100 from above with respect to the supply port 112.

In the above embodiment, ink has been described as an example of a liquid, but the present invention is not limited thereto. That is, instead of the ink, a pretreatment liquid that is ejected to the recording paper prior to the ink during printing, or water that is sprayed in the vicinity of the nozzle 40 of the recording head 39 to prevent the nozzle 40 of the recording head 39 from drying out. However, it may be an example of a liquid.

10 ... Multifunction device (liquid supply device)
14 ... Housing 14B ... Bottom 17 ... Accommodation space 22 ... Opening 75 ... Lower wall (second wall)
76 ... Standing wall (1st wall)
81 ... Aperture (translucent part)
91 ... Rib (1st rib)
100 ... Ink tank (tank)
102 ... Standing wall (visual wall)
111 ... Ink chamber (liquid storage chamber)
112 ... Supply port 120 ... Holding member (cover)
180 ... Absorber

Claims (11)

A housing with a storage space that opens to the outside,
It has a liquid storage room, and the tank that is housed in the above storage space,
It is supported on the bottom of the housing and is provided with a cover that covers a part of the tank.
The above tank is
A visible wall that extends in a direction having components in the width direction and the vertical direction along the horizontal direction, and the liquid stored in the liquid storage chamber can be visually recognized from the outside.
A supply port for supplying a liquid to the liquid storage chamber is provided.
The above cover is
A first wall that has a translucent portion and can be exposed to the outside of the housing,
A second wall extending from the lower end of the first wall in the width direction and the crossing direction intersecting the vertical direction, supporting the tank from below, and being supported by the housing is provided.
The cover covers at least the visible wall of the tank in a state where a predetermined portion of the visible wall can be visually recognized from the outside through the translucent portion.
A predetermined space capable of storing liquid is formed at least below the cover on the bottom surface of the housing .
A through hole is formed in the second wall,
A second rib extending in a direction having a component in the width direction is formed on the upper surface of the second wall.
The second rib is a liquid supply device located between the through hole and the supply port in the crossing direction and extending from one end to the other end of the through hole in at least the width direction. A housing with a storage space that opens to the outside,
It has a liquid storage room, and the tank that is housed in the above storage space,
It is supported on the bottom of the housing and is provided with a cover that covers a part of the tank.
The above tank is
A visible wall that extends in a direction having components in the width direction and the vertical direction along the horizontal direction, and the liquid stored in the liquid storage chamber can be visually recognized from the outside.
A supply port for supplying a liquid to the liquid storage chamber is provided.
The above cover is
A first wall that has a translucent portion and can be exposed to the outside of the housing,
A second wall extending from the lower end of the first wall in the width direction and the crossing direction intersecting the vertical direction, supporting the tank from below, and being supported by the housing is provided.
The cover covers at least the visible wall of the tank in a state where a predetermined portion of the visible wall can be visually recognized from the outside through the translucent portion.
A predetermined space capable of storing liquid is formed at least below the cover on the bottom surface of the housing.
A through hole is formed in the second wall,
A third rib is formed on the lower surface of the second wall.
The third rib, between the lower surface of the end and the through hole of the second wall in the widthwise direction, the liquid supply apparatus that extends in a direction having the cross direction of the component. A housing with a storage space that opens to the outside,
It has a liquid storage room, and the tank that is housed in the above storage space,
A cover that is supported on the bottom of the housing and covers a part of the tank,
It is located at least below the cover of the bottom surface of the housing and is provided with an absorber that absorbs liquid.
The above tank is
A visible wall that extends in a direction having components in the width direction and the vertical direction along the horizontal direction, and the liquid stored in the liquid storage chamber can be visually recognized from the outside.
A supply port for supplying a liquid to the liquid storage chamber is provided.
The above cover is
A first wall that has a translucent portion and can be exposed to the outside of the housing,
A second wall extending from the lower end of the first wall in the width direction and the crossing direction intersecting the vertical direction, supporting the tank from below, and being supported by the housing is provided.
The cover covers at least the visible wall of the tank in a state where a predetermined portion of the visible wall can be visually recognized from the outside through the translucent portion.
A predetermined space capable of storing liquid is formed at least below the cover on the bottom surface of the housing.
The above housing is
The main body with the above opening and
It is fixed to the lower part of the opening peripheral part of the main body, and is provided with an attachment that supports the cover.
The above absorber is
The first absorber placed on the bottom of the main body and
With a second absorber located on the upper surface of the attachment,
It said the first absorber and the second absorber, in contact with not that liquid supply apparatus. The second absorber protrudes from the end of the upper surface of the attachment in the crossing direction, and the protruding portion is curved so as to make a U-turn and sandwiches the end up and down.
The liquid supply device according to claim 3 , wherein a portion of the second absorber located below the end thereof is in contact with the first absorber. The liquid supply device according to claim 3 or 4 , wherein a fifth rib is formed at an end portion in the width direction on the upper surface of the attachment. A through hole is formed in the second wall,
A third rib is formed on the lower surface of the second wall.
The third rib extends in a direction having a component in the crossing direction between the end of the lower surface of the second wall and the through hole in the width direction.
The liquid supply device according to claim 5 , wherein the fifth rib is formed between the end of the upper surface of the attachment and the third rib in the width direction. The liquid supply device according to claim 6 , wherein the third rib is in contact with the second absorber. The liquid supply device according to any one of claims 5 to 7 , wherein there is a gap in the width direction between the surface of the fifth rib facing the center in the width direction and the second absorber. The liquid supply device according to any one of claims 1 to 8, wherein a first rib extending in a direction having a component in the crossing direction is formed on the upper surface of the second wall. A fourth rib is formed on the upper surface of the second wall.
The liquid supply device according to any one of claims 1 to 9 , wherein the fourth rib extends away from the supply port toward the center in the width direction on the upper surface of the second wall. On the upper surface of the second wall, a first rib extending in a direction having a component in the crossing direction is formed.
The liquid supply device according to claim 10 , wherein the end of the fourth rib opposite to the center in the width direction is connected to the first rib.

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