JP6175739B2 - Liquid ejector - Google Patents

Description

  The present invention relates to a liquid ejecting apparatus that ejects liquid onto a target.

  Conventionally, as a kind of liquid ejecting apparatus, an ink jet printer that performs printing by ejecting ink from a liquid ejecting head onto a medium such as paper is known. In such a printer, in order to continuously and stably supply ink to the liquid ejecting head when a relatively large amount of printing is performed, the main tank having a relatively large ink storage capacity is transferred from the main tank to the sub tank through the ink supply tube. A configuration for supplying ink has been proposed (see, for example, Patent Document 1).

JP 2007-144905 A

  By the way, in the printer described in Patent Document 1, in order to facilitate the assembly of the ink supply tube, the ink supply tube is divided in the length direction, and then the main tank side ink supply tube and the sub tank side ink supply tube are separated. It is also conceivable to connect via a connector.

  However, in this case, if the end of the ink supply tube connected to the connector is removed from the connector in order to perform maintenance of the ink supply tube, the ink remaining in the ink supply tube leaks from the ink supply tube. There was a risk of doing so.

  The present invention has been made in view of such circumstances, and an object of the present invention is to provide a liquid ejecting apparatus capable of suppressing liquid leakage from the liquid supply tube during maintenance while facilitating the assembly operation of the liquid supply tube. It is to provide.

  In order to achieve the above object, a liquid ejecting apparatus of the present invention is provided with a liquid ejecting head that ejects liquid onto a target, a main body housing in which the liquid ejecting head is provided, and an outside of the main body housing. A first liquid supply tube having one end connected to the liquid container; and one end connected to a liquid container disposed in the main body housing in a state where the liquid can be supplied to the liquid ejecting head. A second liquid supply tube, a connecting member for connecting the other ends of the first liquid supply tube and the second liquid supply tube to each other so as to allow the liquid to flow therethrough, and the liquid supply tubes A sealing member that is provided at an end connected to the connection member and seals the inside of each liquid supply tube, and the connection member includes the liquid supply tubes. When connected, it releases the sealing of said respective liquid supply tube by the sealing member.

  According to the above configuration, when each liquid supply tube is connected to the connection member, the sealing in the liquid supply tube by the sealing member is released, so that each liquid from the liquid container side to the liquid container side is released. Liquid can be supplied through the supply tube. On the other hand, when each liquid supply tube is removed from the connection member, the end portion connected to the connection member in each liquid supply tube is sealed by the sealing member. Therefore, it is possible to prevent liquid from leaking from each liquid supply tube during maintenance while facilitating the assembly operation of the liquid supply tube using each liquid supply tube divided in the length direction.

  In the liquid ejecting apparatus according to the aspect of the invention, the main body housing may include a moving area of a carriage on which the liquid ejecting head is mounted, and an opening that exposes an upper portion of the moving area is provided. And a spacer interposed so as to form a gap between the opening / closing member that is displaced in a direction of opening and closing the opening and the main body housing.

According to the above configuration, since the connection member can be used as a spacer, the assembly of the apparatus can be improved with the reduction in the number of parts.
Further, in the liquid ejecting apparatus of the present invention, the sealing member is an elastic body that presses an outer surface of each liquid supply tube and deforms in a direction to close an internal flow path, and the connection member includes: An insertion portion that is inserted into each of the liquid supply tubes when connected to each of the liquid supply tubes; the insertion portion resists the elastic force of the sealing member; Is deformed in a direction to open the internal flow path.

  According to the above configuration, when each liquid supply tube is connected to the connection member, the insertion portion of the connection member presses the inner surface of each liquid supply tube to open the internal flow path. The liquid can be supplied through the liquid supply tubes from the side to the liquid container side. On the other hand, when each liquid supply tube is removed from the connection member, the end portion connected to the connection member in each liquid supply tube is pressed by the sealing member so that the internal flow path is closed. Deform. Therefore, it is possible to easily realize a configuration for suppressing liquid leakage from each liquid supply tube during maintenance while facilitating the assembly operation of the liquid supply tube using each liquid supply tube divided in the length direction. it can.

  In the liquid ejecting apparatus according to the aspect of the invention, the sealing member may include a sealing position that seals an opening of an end connected to the connection member in each liquid supply tube, and the liquid supply tube A valve mechanism having a valve body that is displaceable between open positions that open an opening of an end portion connected to a connection member, and a biasing portion that biases the valve body toward the sealing position. When the connection member is connected to each of the liquid supply tubes, the connection member presses the valve body against the urging force of the urging portion to displace it to the open position.

  According to the above configuration, when each liquid supply tube is connected to the connection member, the connection member presses the valve body against the urging force of the urging portion and displaces it to the open position. The liquid can be supplied through the liquid supply tubes from the side to the liquid container side. On the other hand, when each liquid supply tube is removed from the connection member, the valve body is displaced to the sealing position in accordance with the urging force of the urging portion, and is connected to the connection member in each liquid supply tube. The end is sealed by a valve mechanism. Therefore, it is possible to easily realize a configuration for suppressing liquid leakage from each liquid supply tube during maintenance while facilitating the assembly operation of the liquid supply tube using each liquid supply tube divided in the length direction. it can.

  In the liquid ejecting apparatus according to the aspect of the invention, the end of the second liquid supply tube connected to the connection member may allow the liquid to flow from the liquid container side to the liquid container side. A one-way valve that regulates the flow of the liquid from the liquid container side to the liquid container side is provided as the sealing member.

  According to the above configuration, when the second liquid supply tube is connected to the connecting member, the inflow of the liquid is allowed through the one-way valve in the second liquid supply tube. On the other hand, when the second liquid supply tube is removed from the connection member, leakage of the liquid from the end portion connected to the connection member in the second liquid supply tube is restricted by the one-way valve. . Therefore, it is possible to easily realize a configuration for suppressing liquid leakage from each liquid supply tube during maintenance while facilitating the assembly operation of the liquid supply tube using each liquid supply tube divided in the length direction. it can.

1 is a perspective view of a multifunction machine according to an embodiment of the present invention. Sectional drawing of a connection member. Sectional drawing of the ink supply tube of the embodiment. 2A and 2B are cross-sectional views of the ink supply tube of the embodiment, in which FIG. 3A is a cross-sectional view in a state where a connection member is connected, and FIG. FIG. 4 is a cross-sectional view of an ink supply tube according to another embodiment of the present invention, where (a) is a cross-sectional view with a connection member connected, and (b) is a cross-sectional view with a connection member removed. FIG. 4 is a cross-sectional view of an ink supply tube according to another embodiment of the present invention, where (a) is a cross-sectional view with a connection member connected, and (b) is a cross-sectional view with a connection member removed. The perspective view which shows the multifunctional device of another embodiment which concerns on this invention. FIG. 6 is a perspective view illustrating a printer according to another embodiment of the invention. FIG. 6 is a perspective view illustrating a printer according to another embodiment of the invention.

DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, an embodiment of the invention will be described with reference to the drawings.
As shown in FIG. 1, a multifunction machine 10 as a liquid ejecting apparatus includes an inkjet printer 11 and an image scanner 12 as an opening / closing member provided on the printer 11, and has a substantially rectangular parallelepiped shape as a whole. Yes.

  The printer 11 includes a main body housing 13 having a substantially rectangular box shape having an opening 13a opened on the upper surface. The base end of the image scanner 12 is rotatably attached to the main body housing 13 so as to open and close the opening 13 a of the main body housing 13. An operation panel 14 that is used when operating the multifunction machine 10 is provided at a portion of the main body housing 13 where the tip of the image scanner 12 covers from above.

  In addition, a rectangular plate-like support base 15 is provided in the lower part of the main body housing 13. Then, a sheet as a target is fed onto the support base 15 based on the driving of a paper feed motor (not shown) provided in the main body housing 13. The support base 15 is provided so that its longitudinal direction coincides with the width direction of the paper.

  A guide rail 16 extending along the longitudinal direction of the support base 15 is provided above the support base 15 in the main body housing 13. A carriage 17 is supported on the guide rail 16 so as to be capable of reciprocating in the longitudinal direction. The carriage 17 reciprocates in the scanning direction while being guided by the guide rail 16 based on driving of a carriage motor (not shown) provided in the main body housing 13. That is, the space area above the support base 15 in the main body housing 13 is a moving area where the carriage 17 reciprocates, and the upper part of the moving area is exposed to the outside of the main body housing 13 by the opening 13 a of the main body housing 13. Has been.

  The carriage 17 includes a liquid ejecting head integrated into the lower surface of the carriage 17 and a plurality of (four in this embodiment) relay adapters 18 detachably housed in the carriage 17. It is configured. The relay adapter 18 is an adapter that relays between an ink tank 19 serving as a liquid container provided outside the main body housing 13 and the liquid ejecting head, and each color ink as liquid ejected from the liquid ejecting head (this embodiment). In the embodiment, cyan ink, magenta ink, yellow ink, black ink) can be accommodated. A plurality of nozzles (not shown) are opened on the lower surface of the liquid jet head. As the piezoelectric element (not shown) provided in the liquid ejecting head is driven, the ink in the relay adapter 18 is supplied to the liquid ejecting head, and the supplied ink is supplied onto the support base 15 from the nozzle of the liquid ejecting head. Printing is performed by being ejected toward the fed paper.

  Further, the ink tank 19 that stores ink of each color ejected from the liquid ejecting head is provided at a position near the home position HP in the scanning direction of the carriage 17. An ink supply tube 20 that functions as a flow path for supplying ink stored in the ink tank 19 to the relay adapter 18 mounted on the carriage 17 is connected to the ink tank 19 and the relay adapter 18.

  Specifically, the ink supply tube 20 includes a first ink supply tube 21 as a first liquid supply tube connected at one end to the ink tank 19 and a second liquid connected at one end to the relay adapter 18. The second ink supply tube 22 is a supply tube. The other end sides of the ink supply tubes 21 and 22 are connected to each other through a connection member 23 so that ink can be circulated.

  As shown in FIGS. 1 and 2, the connecting member 23 has a substantially cylindrical shape, and a cylinder as an insertion portion in which both ends in the longitudinal direction are fitted to the other end sides of the ink supply tubes 21 and 22 from the inside. And a flange portion 25 having a substantially rectangular plate shape extending radially outward from the longitudinal center portion of the cylindrical portion 24. Each cylindrical portion 24 has a flow path through which ink can flow, and a communication hole 26 that communicates the inside and the outside of each cylindrical portion 24 is formed at a conical tip portion thereof. The connecting member 23 has a flange on the upper surface of the main body housing 13 with respect to the bottom surface of the concave portion 27 located on the front side of the opening 13a when the side that rotatably supports the image scanner 12 is the back side. The one end surface of the portion 25 is fixed in a surface contact state.

  That is, the connecting member 23 is sandwiched between the concave portion 27 of the main body housing 13 and the image scanner 12 when the image scanner 12 rotates in a direction to close the opening 13 a of the main body housing 13. The end surface of the flange portion 25 contacts the image scanner 12. Therefore, the connecting member 23 also functions as a spacer for ensuring a gap for inserting the ink supply tube 20 between the image scanner 12 and the opening 13 a of the main body housing 13.

  Next, in order to suppress the leakage of ink from each ink supply tube 21, 22, the valve mechanism 30 provided as a sealing member at the end connected to the connection member 23 in each ink supply tube 21, 22 is provided. The configuration will be described. In addition, since the structure of the valve mechanism 30 provided in each ink supply tube 21 and 22 is common, below, the structure of the valve mechanism 30 provided in the 2nd ink supply tube 22 is demonstrated.

  As shown in FIG. 3, the valve mechanism 30 includes a main body portion 31 fitted to the end portion on the other end side of the second ink supply tube 22, and the second ink supply tube 22 is provided in the main body portion 31. A recess 32 is formed on the end surface exposed to the outside in the fitted state. The concave portion 32 includes a large-diameter concave portion 33 positioned closer to the opening end of the second ink supply tube 22 when the main body portion 31 is fitted to the second ink supply tube 22, and the concave portion 32 than the large-diameter concave portion 33. And a small-diameter recess 34 provided so that the inner diameter is smaller than that of the large-diameter recess 33 at a position on the inner side. A substantially cylindrical packing 35 made of an elastomer is accommodated inside the large-diameter recess 33 on the opening side of the recess 32. The inner diameter of the packing 35 is slightly smaller than the outer diameter of the cylindrical portion 24 of the connection member 23.

  An annular valve seat 37 is formed on an end surface of the packing 35 located on the inner back side of the recess 32 along the mouth portion of the opening 36 that penetrates the center of the packing 35. A valve body 38 having a substantially cylindrical shape with a bottom is provided in the small-diameter recess 34 of the recess 32 so as to cover the open end of the valve seat 37. In addition, a cylindrical convex portion 39 that protrudes inside the concave portion 32 is provided on the inner bottom surface of the small-diameter concave portion 34 of the concave portion 32, and a through hole 40 that penetrates the center in the axial direction is formed in the convex portion 39. Has been. A compression coil spring 41 serving as an urging portion that urges the valve body 38 in a direction in close contact with the valve seat 37 is interposed between the inner bottom surface of the small-diameter recess 34 of the recess 32 and the inner bottom surface of the valve body 38. It is installed. Therefore, the valve body 38 is always maintained in a closed state in close contact with the valve seat 37 of the packing 35 based on the urging force of the compression coil spring 41.

  Next, the operation of the multi-function device 10 configured as described above will be described in particular when the ink supply tubes 21 and 22 are removed from the connection member 23. Since the operation when the ink supply tubes 21 and 22 are removed from the connection member 23 is common, the operation when the second ink supply tube 22 is removed from the connection member 23 will be described below. To do.

  As shown in FIG. 4A, when the second ink supply tube 22 is attached to the connection member 23, the tip portion of the cylindrical portion 24 of the connection member 23 resists the urging force of the compression coil spring 41. The valve body 38 is pressed to the inner back side of the recess 32. Then, the packing 35 comes into close contact with the outer surface of the cylindrical portion 24 of the connecting member 23, and the valve body 38 is separated from the valve seat 37 of the packing 35 while the seal between the packing 35 and the cylindrical portion 24 is secured. The valve body 38 is disposed at the open position where the opening 36 of the packing 35 is opened. Therefore, the ink supplied from the ink tank 19 side flows into the concave portion 32 from the communication hole 26 of the cylindrical portion 24 of the connecting member 23, and then flows into the second ink supply tube 22 through the through hole 40.

  Here, as shown in FIG. 4B, it is assumed that the second ink supply tube 22 is removed from the connection member 23 in order to perform maintenance of the second ink supply tube 22. Then, since the tip end portion of the cylindrical portion 24 of the connecting member 23 is separated from the valve body 38, the valve body 38 closely contacts the valve seat 37 of the packing 35 according to the urging force of the compression coil spring 41 and closes the opening 36 of the packing 35. The valve is closed. As a result, the opening end of the end connected to the connection member 23 in the second ink supply tube 22 is sealed by the valve mechanism 30. Therefore, the ink remaining in the second ink supply tube 22 is prevented from leaking outside through the opening end.

According to the above embodiment, the following effects can be obtained.
(1) When each ink supply tube 21, 22 is connected to the connection member 23, the sealing inside each ink supply tube 21, 22 by the valve mechanism 30 is released, so the relay adapter is connected from the ink tank 19 side. Ink can be supplied through the ink supply tubes 21 and 22 to the 18th side. On the other hand, when each ink supply tube 21, 22 is removed from the connection member 23, the end portion connected to the connection member 23 in each ink supply tube 21, 22 is sealed by the valve mechanism 30. . Therefore, it is possible to prevent the ink from leaking from the ink supply tubes 21 and 22 during maintenance while facilitating the assembly operation of the ink supply tube 20 using the ink supply tubes 21 and 22 divided in the length direction.

(2) Since the connection member 23 can also be used as a spacer, the assembly of the apparatus can be improved with the reduction in the number of parts.
(3) When each ink supply tube 21, 22 is connected to the connection member 23, the connection member 23 presses the valve body 38 against the biasing force of the compression coil spring 41 to displace it to the open position. Ink supply through the ink supply tubes 21 and 22 from the ink tank 19 side to the relay adapter 18 side becomes possible. On the other hand, when each ink supply tube 21, 22 is removed from the connection member 23, the valve body 38 is displaced to the sealing position according to the urging force of the compression coil spring 41, so that each ink supply tube 21, 22, the end connected to the connection member 23 is sealed by the valve mechanism 30. Therefore, the ink supply tubes 21 and 22 divided in the length direction are used to facilitate the assembly operation of the ink supply tubes 20 and the ink is prevented from leaking from the ink supply tubes 21 and 22 during maintenance. Can be realized easily.

In addition, you may change the said embodiment into another embodiment as follows.
In the above embodiment, as shown in FIGS. 5A and 5B, the ink supply tubes 21 and 22 are examples of an elastic body as a sealing member at the end connected to the connection member 23. An O-ring 50 may be provided, and the O-ring 50 may be configured to press the outer surface of each of the ink supply tubes 21 and 22 and deform the inner flow path in a closing direction.

  In this configuration, as shown in FIG. 5A, when each ink supply tube 21, 22 is connected to the connection member 23, the tube of the connection member 23 inserted into each ink supply tube 21, 22. The portion 24 presses the inner surface of each ink supply tube 21, 22 and opens the internal flow path against the elastic force of the O-ring 50. Therefore, ink can be supplied from the ink tank 19 side to the relay adapter 18 side through the ink supply tubes 21 and 22.

  On the other hand, as shown in FIG. 5B, when each ink supply tube 21, 22 is removed from the connection member 23 during maintenance, the ink supply tube 21, 22 is connected to the connection member 23. The end portion is pressed based on the elastic force of the O-ring 50 and deforms so that the internal flow path is closed. As a result, the open ends of the end portions connected to the connection members 23 in the respective ink supply tubes 21 and 22 are sealed by the O-ring 50. Therefore, the ink supply tubes 21 and 22 divided in the length direction are used to facilitate the assembly operation of the ink supply tubes 20 and the ink is prevented from leaking from the ink supply tubes 21 and 22 during maintenance. Can be realized easily.

  The elastic body used as a sealing member for sealing the opening end of the end portion connected to the connection member 23 in each ink supply tube 21, 22 is not limited to the O-ring 50. That is, any elastic body can be adopted as long as it is an elastic body that presses the outer surface of each of the ink supply tubes 21 and 22 and deforms in the direction of closing the internal flow path.

  In the above embodiment, as shown in FIGS. 6A and 6B, the one-way valve 60 is provided as a sealing member at the end of the second ink supply tube 22 connected to the connection member 23. The one-way valve 60 allows the ink to flow from the second ink supply tube 22 side to the connection member 23 side while allowing the ink flow from the connection member 23 side to the second ink supply tube 22 side. It is good also as a structure to regulate.

  In this configuration, as shown in FIG. 6A, when the second ink supply tube 22 is connected to the connection member 23, ink passing through the one-way valve 60 is placed in the second ink supply tube 22. Inflow is allowed.

  On the other hand, as shown in FIG. 6B, when the second ink supply tube 22 is removed from the connection member 23, the end connected to the connection member 23 in the second ink supply tube 22. Ink leakage from the section is regulated by the one-way valve 60. Therefore, the ink supply tubes 21 and 22 divided in the length direction are used to facilitate the assembly operation of the ink supply tubes 20 and the ink is prevented from leaking from the ink supply tubes 21 and 22 during maintenance. Can be realized easily.

In the above embodiment, as shown in FIG. 7, the present invention may be embodied in the multifunction machine 10 in which the operation panel 14 is provided in the image scanner 12.
In the above embodiment, as shown in FIG. 8, the present invention is embodied in the printer 11 in which the opening 13 a of the main body housing 13 is covered with a cover 70 as an opening / closing member, unlike the multifunction machine 10 including the image scanner 12. May be used. In this case, as shown in FIG. 9, the cover 70 that covers the opening 13 a of the main body housing 13 may be omitted.

  In the above-described embodiment, the connection member 23 that connects the ink supply tubes 21 and 22 may be provided in a separate member configuration from the spacer for forming a gap between the main body housing 13 and the image scanner 12.

  In the above embodiment, the relay adapter 18 may not be mounted on the carriage 17. That is, the ink supplied from the ink tank 19 provided outside the main body housing 13 through the first ink supply tube 21 and the second ink supply tube 22 is supplied to the liquid ejecting head without passing through the relay adapter 18. You may make it do.

-In the said embodiment, the material of a target is not limited to paper, You may employ | adopt cloth, a resin film, a resin sheet, a metal sheet, etc.
In the above embodiment, a line head type printer capable of printing in the maximum paper width range while the liquid ejecting head is fixed may be used.

  In the above embodiment, the liquid ejecting apparatus is embodied in the multifunction machine 10 including the ink jet printer 11, but may be embodied in a liquid ejecting apparatus that ejects or discharges liquid other than ink. . The present invention can be used for various liquid ejecting apparatuses including a liquid ejecting head that ejects a minute amount of liquid droplets. In addition, a droplet means the state of the liquid discharged from the said liquid ejecting apparatus, and shall also include what pulls a tail in granular shape, tear shape, and thread shape. The liquid here may be any material that can be ejected by the liquid ejecting apparatus. For example, it may be in a state in which the substance is in a liquid phase, such as a liquid with high or low viscosity, sol, gel water, other inorganic solvents, organic solvents, solutions, liquid resins, liquid metals (metal melts ) And liquids as one state of the substance, as well as particles in which functional material particles made of solid materials such as pigments and metal particles are dissolved, dispersed or mixed in a solvent. Further, representative examples of the liquid include ink and liquid crystal as described in the above embodiment. Here, the ink includes general water-based inks and oil-based inks, and various liquid compositions such as gel inks and hot melt inks. As a specific example of the liquid ejecting apparatus, for example, a liquid containing a material such as an electrode material or a color material used for manufacturing a liquid crystal display, an EL (electroluminescence) display, a surface emitting display, or a color filter in a dispersed or dissolved form. It may be a liquid ejecting apparatus for ejecting, a liquid ejecting apparatus for ejecting a bio-organic matter used for biochip manufacturing, a liquid ejecting apparatus for ejecting a liquid used as a precision pipette, a printing apparatus, a microdispenser, or the like. In addition, transparent resin liquids such as UV curable resin to form liquid injection devices that pinpoint lubricant oil onto precision machines such as watches and cameras, and micro hemispherical lenses (optical lenses) used in optical communication elements. A liquid ejecting apparatus that ejects a liquid onto the substrate or a liquid ejecting apparatus that ejects an etching solution such as an acid or an alkali to etch the substrate may be employed. The present invention can be applied to any one of these liquid ejecting apparatuses.

  DESCRIPTION OF SYMBOLS 10 ... Multifunction machine as a liquid ejecting device, 12 ... Image scanner as an opening / closing member, 13 ... Main body housing, 13a ... Opening, 17 ... Carriage, 18 ... Relay adapter as a liquid container, 19 ... As a liquid container Ink tank, 21 ... first ink supply tube (first liquid supply tube), 22 ... second ink supply tube (second liquid supply tube), 23 ... connecting member, 24 ... cylindrical portion as an insertion portion , 30 ... Valve mechanism as a sealing member, 38 ... Valve body, 41 ... Compression coil spring as an urging portion, 50 ... O-ring as sealing member and elastic body, 60 ... One-way valve as sealing member 70: A cover as an opening / closing member.

Claims (2)

A liquid ejecting head that ejects liquid onto a target;
A recording unit in which the liquid jet head is provided;
A first liquid supply tube having one end connected to a liquid container provided outside the recording unit;
A second liquid supply tube having one end connected to a liquid container disposed inside the recording unit in a state where the liquid can be supplied to the liquid ejecting head;
A connecting member that connects the other liquid end tubes of the first liquid supply tube and the second liquid supply tube to each other so that the liquid can be distributed;
A first elastic body provided at the other end of the first liquid supply tube and having a first elastic body that presses the outer surface of the first liquid supply tube and deforms it in a direction to close the internal flow path. 1 sealing member;
A second elastic body provided at the other end of the second liquid supply tube and having a second elastic body that presses the outer surface of the second liquid supply tube and deforms it in a direction to close the internal flow path; 2 sealing members;
With
The connecting member is
Inserted into the other end of the first liquid supply tube and presses the inner surface of the first liquid supply tube against the elastic force of the first elastic body of the first sealing member A first insertion part for deforming in a direction to open the flow path of
The second liquid supply tube is inserted into the other end of the second liquid supply tube and presses the inner surface of the second liquid supply tube against the elastic force of the second elastic body of the second sealing member. A second insertion portion that deforms in a direction to open the flow path of
When the first liquid supply tube and the second liquid supply tube are connected to the connection member, the flow path is opened, and the first liquid supply tube and the second liquid supply tube are The flow path is closed when removed from the connection member,
A liquid ejecting apparatus. The liquid ejecting apparatus according to claim 1,
The main body housing forming the outline of the recording unit has a moving area of a carriage on which the liquid jet head is mounted, and an opening for exposing the moving area is provided.
The liquid ejecting apparatus according to claim 1, wherein the connecting member is a spacer interposed so as to form a gap between the opening / closing member that is displaced in a direction of opening / closing the opening and the main body housing.