CN207955017U - Ink-jet printer - Google Patents

Abstract

The utility model relates to an inkjet printer, wherein the inkjet printer comprises an ink tank, a frame part and a covering part. Wherein the ink tank includes a body part, an ink filling part and an atmosphere communication part. The body part is configured to hold ink, the ink filling part communicates the inside of the body part with the outside, the atmosphere communication part has an atmosphere communication port, and the atmosphere communication port communicates the inside of the body part with the atmosphere. The frame portion surrounds the ink tank, and the frame portion is provided with a groove surrounding at least a part of the atmosphere communication portion. The covering part covers the groove, the covering part has an inner surface facing the inside of the groove, and the inner surface is provided with a protruding part which protrudes from the inner surface and is continuously closed along the circumferential direction, the protruding part defines the accommodation space, and the atmosphere communication port is located inside the space. The inkjet printer according to the utility model can effectively prevent foreign matters such as dust and sand from entering the air communication port and affecting the normal use of the inkjet printer.

Description

Inkjet Printers

technical field

The utility model relates to the technical field of printing equipment, in particular to an inkjet printer.

Background technique

An inkjet printer performs printing by ejecting ink from a recording unit onto a recording medium (for example, printing paper).

FIG. 1 schematically shows an example of a conventional inkjet printer 1 . In the following, for the convenience of description, based on the position where the user is using the inkjet printer, the direction of the inkjet printer facing the user is defined as "front", and the opposite direction is defined as "rear", and The user's left-hand side is defined as "left" and the user's right-hand side as "right".

As shown in FIG. 1 , the inkjet printer 1 includes a printer body 19 and an ink tank 20 disposed on one side of the printer body 19 . The ink tank 20 is fixedly mounted on one side of the printer body 19 (for example, a front side position toward the right end shown in FIG. 1 ), and contains ink to be supplied to the printer body 19 .

FIG. 2 schematically shows a schematic diagram of a conventional ink tank 20 . As shown in FIG. 2 , the ink tank 20 includes a body portion 21 , an ink filling portion 28 and an atmosphere communication portion 30 disposed above the body portion 21 . The body portion 21 serves to accommodate ink to be supplied to the printer body 19 . The ink filling part 28 includes an ink filling port 29 communicating with the interior of the main body part 21 , so as to facilitate the user to inject ink into the interior of the main body part 21 through the ink filling port 29 . The atmosphere communication portion 30 includes an atmosphere communication port 31 , which communicates the inside of the body portion 21 with the atmosphere, so that the pressure in the body portion 21 is consistent with the atmospheric pressure.

As shown in FIG. 3 , the inkjet printer 1 includes four ink tanks 20 arranged in the left-right direction. The four ink tanks 20 can be used to hold inks of different colors, for example, inks of four colors of black, cyan, magenta, and yellow (CMYK) can be used to record color images, and they can also be used to hold inks of the same color (such as black). ink.

Further, the inkjet printer 1 further includes a frame portion 87 surrounding the ink tank 20 . A substantially rectangular groove 86 is provided on the frame portion 87 , and the groove 86 surrounds at least a part of the atmosphere communicating portions 30 of the four ink tanks 20 . The inkjet printer 1 further includes a covering part 85 covering the groove 86 . An engaging portion 10 for engaging with an engaged portion (not shown) in the groove 86 and an opening 11 forming at least a part of the engaging portion 10 are formed on the covering portion 85 .

When the inkjet printer 1 is in a sandy or dusty environment, foreign matter such as windy sand or dust can easily enter the groove 86 from the opening 11 on the covering part 85 , and thus enter the atmosphere communication port 31 . And when the atmosphere communication port 31 is sealed by foreign matter, the ink in the ink bottle cannot be successfully injected into the ink tank 20 through the ink filling port 29 on the one hand, and the ink in the ink tank 20 may not be able to be injected into the ink tank 20. It is normally supplied to the recording section (not shown) of the inkjet printer 1, thereby causing the inkjet printer 1 to be unable to be used normally.

Therefore, it is necessary to propose an inkjet printer to at least partially solve the above problems in the prior art.

Utility model content

In order to at least partly solve the above problems, the utility model provides an inkjet printer, which includes a main body, an ink injection part and an atmosphere communication part. The body portion is configured to contain ink. The ink filling part communicates the inside of the body part with the outside. The atmosphere communication part has an atmosphere communication port which communicates the inside of the main body with the atmosphere. The frame portion surrounds the ink tank, and the frame portion is provided with a groove surrounding at least a part of the atmosphere communication portion. The covering part covers the groove, the covering part has an inner surface facing the inside of the groove, and the inner surface is provided with a protruding part protruding from the inner surface and continuously closed in the circumferential direction, The protruding portion defines an accommodating space, and the atmosphere communication port is located in the accommodating space.

According to the inkjet printer of the present utility model, by providing the protruding part continuously closed along the circumferential direction on the inner surface of the covering part, and making the air communication port located in the accommodation space defined by the protruding part, it is possible to effectively prevent dust, sand, etc. Foreign matter enters the air connection port and affects the normal use of the inkjet printer. The inkjet printer according to the utility model has the advantages of simple structure, convenient manufacture and low cost.

Optionally, in the state where the covering portion covers the groove, the axial length L of the protrusion is greater than the distance D1 from the inner surface to the atmosphere communication port and smaller than the distance D1 from the inner surface to the atmospheric communication port. The distance D2 from the bottom surface of the groove. On the one hand, this solution can effectively prevent foreign objects such as dust and sand from entering the atmosphere communication port, and on the other hand, it can facilitate the communication between the atmosphere communication port and the outside world.

Optionally, the inkjet printer includes a plurality of ink tanks and a plurality of atmosphere communication parts respectively corresponding to the plurality of ink tanks. This solution can realize color printing by injecting inks of different colors into multiple ink tanks respectively.

Optionally, a plurality of protrusions are provided on the inner surface, the number of the plurality of protrusions corresponds to the number of the plurality of atmosphere communication parts, and the plurality of protrusions respectively define a plurality of the accommodating parts. space, and the plurality of atmospheric communication ports of the plurality of atmospheric communication parts are respectively located in the plurality of accommodating spaces. This solution can effectively prevent foreign matter such as dust and sand from entering the atmosphere communication port, and the solution has a simple structure, is easy to manufacture, and has low cost.

Optionally, a plurality of protrusions are provided on the inner surface, the number of the plurality of protrusions is less than the number of the plurality of atmosphere communication parts, and the plurality of protrusions respectively define a plurality of the accommodating parts. space, and the plurality of atmospheric communication ports of the plurality of atmospheric communication parts are respectively located in the plurality of accommodating spaces. This solution can effectively prevent foreign matter such as dust and sand from entering the atmosphere communication port, and the solution has a simple structure, is easy to manufacture, and has low cost.

Optionally, a protruding portion is provided on the inner surface, the one protruding portion defines one accommodating space, and the plurality of atmospheric communication ports of the plurality of atmospheric communication portions are all located in the accommodating space. This solution can effectively prevent foreign matter such as dust and sand from entering the atmosphere communication port, and the solution has a simple structure, is easy to manufacture, and has low cost.

Optionally, the lower end of the protrusion extends downward to form an extension, and the extension is formed with a notch. In this solution, by providing a notch on the extension part, it is convenient for the atmosphere communication port to communicate with the outside through the notch.

Optionally, in a state where the covering portion covers the groove, the lower end surface of the extending portion is in contact with the bottom surface of the groove. This solution can further effectively prevent foreign matters such as dust and sand from entering the atmosphere communication port, and the solution is simple in structure, easy to manufacture and low in cost.

Optionally, an ink absorber is arranged in the groove. This solution can effectively absorb the ink accidentally leaked from the atmosphere communication port, and thus can effectively prevent the risk of polluting the surrounding environment caused by excessive ink accumulated in the groove.

Description of drawings

The above and other aspects of the present invention will become more apparent and easier to understand from the following description of the exemplary embodiments of the present invention in conjunction with the accompanying drawings, in which:

FIG. 1 is a perspective view of a conventional inkjet printer.

FIG. 2 is a perspective view of an ink tank of the inkjet printer in FIG. 1 .

Fig. 3 is a perspective view of the ink tank and the frame part of the inkjet printer in Fig. 1, wherein the covering part is in a disassembled state.

FIG. 4 is a front view of the cover shown in FIG. 3 .

5 is a perspective view of an ink tank and a frame part according to a preferred embodiment of the present invention.

6 is a sectional view taken along line A-A in FIG. 5, showing a part of the inkjet printer according to the first preferred embodiment of the present invention.

FIG. 7 is a partially enlarged schematic diagram of part B in FIG. 6 .

Fig. 8 is a perspective view of the covering part of the inkjet printer according to the first preferred embodiment of the present invention.

FIG. 9 is a sectional view taken along line A-A in FIG. 5, showing a part of the inkjet printer according to the second preferred embodiment of the present invention.

Fig. 10 is a perspective view of the covering part of the inkjet printer according to the second preferred embodiment of the present invention.

FIG. 11 is a sectional view taken along line A-A in FIG. 5, showing a part of an inkjet printer according to a third preferred embodiment of the present invention.

Fig. 12 is a perspective view of the covering part of the inkjet printer according to the third preferred embodiment of the present invention.

13 is a cross-sectional view taken along line A-A in FIG. 5, showing a part of an inkjet printer according to a fourth preferred embodiment of the present invention.

FIG. 14 is a partially enlarged schematic view of part C in FIG. 13 .

Fig. 15 is a perspective view of a covering part of an inkjet printer according to a fourth preferred embodiment of the present invention.

Explanation of reference signs

1: inkjet printer

19: Printer body

20/120/220/320/420: ink tank

21/121/221/321/421: Main body

28/128: Ink filling section

29/129: Ink filling port

30/130/230/330/430: Atmospheric Communication

31/131/231/331/431: Atmospheric port

87/187/287/387/487: Frame Department

86/186/286/386/486: groove

85/185/285/385/485: covered part

184/284/384/484: inner surface

183/283/383/483: protrusion

182/282/382/482: storage space

181/481: bottom surface

480: Extension

479: notch

178: Ink absorber

10: Joint

11: opening

6: Paper feeder

7: Output tray

8: Operation panel

Detailed ways

In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that embodiments of the invention may be practiced without one or more of these details. In other examples, in order to avoid confusion with the embodiments of the present invention, some technical features known in the art are not described.

Preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be noted that the terms "upper", "lower" and similar expressions used herein are only for the purpose of illustration, not limitation.

Herein, ordinal numbers such as “first” and “second” cited in this application are merely identifications without any other meaning, such as a specific order and the like. Also, for example, the term "first element" itself does not imply the existence of a "second element", and the term "second element" itself does not imply the existence of a "first element".

An inkjet printer according to a preferred embodiment of the present invention will be described in detail below. The inkjet printer according to the present invention has substantially the same configuration as the inkjet printer 1 according to the background art. In addition to the printing function, the inkjet printer described in the utility model can also have various functions such as image scanner function, facsimile function, copying function and the like. Regarding the printing function, there may be a double-sided image recording function for recording images on both sides of a recording medium. Of course, it is arbitrary whether to have functions other than the printing function.

As shown in FIG. 1 , the inkjet printer 1 includes a printer body 19 and an ink tank 20 .

The printer body 19 is substantially in the shape of a cuboid. A paper feed cassette 6 for supplying recording media and a paper output cassette 7 for discharging recording media are provided on the printer body 19 . Also provided in the printer body 19 is a recording section (not shown) including, for example, a plurality of nozzles, which can eject ink to a recording medium. A pivotable operation panel 8 is also provided on the front surface of the printer body 19, and the operation panel 8 is provided with a display panel for displaying various information and setting contents, and a display panel for performing various operations or inputting setting contents. Operation keys.

The ink tank 20 is provided on the right front of the printer body 19 . Of course, it can be understood that the ink tank 20 can also be arranged at other positions of the printer body 19 according to actual needs. In addition, according to actual needs, the ink tank 20 can be fixedly installed on the printer body 19 , and can also be configured to be detachably installed on the printer body 19 .

first embodiment

An inkjet printer according to a first preferred embodiment of the present invention will be described below with reference to FIGS. 5-8 . Except for the structure of the ink tank, the inkjet printer according to the first preferred embodiment has substantially the same structure as the inkjet printer 1 of the prior art, so for the sake of brevity, only the ink tank and its related structure will be described below. to describe.

As shown in FIGS. 5-7 , in the present invention, the inkjet printer 1 (as shown in FIG. 1 ) includes four ink tanks 120 arranged along the left and right directions. The four ink tanks 120 can be used to hold inks of different colors, for example, inks of four colors of black, cyan, magenta, and yellow (CMYK) can be used to record color images, and inks of the same color (such as black) can also be used. ink.

The ink tank 120 includes a body portion 121 , an ink filling portion 128 and an atmosphere communication portion 130 disposed on the body portion 121 . The body portion 121 serves to accommodate ink to be supplied to the printer body 19 (shown in FIG. 1 ). The ink injection part 128 is arranged on the top surface of the body part 121 and protrudes upwards. The ink injection part 128 includes an ink injection port 129 communicated with the interior of the body part 121, so that the user can inject ink into the body part through the ink injection port 129 121's interior. The atmosphere communication part 130 is provided on the top surface of the body part 121 and protrudes upwards, and the atmosphere communication part 130 includes an atmosphere communication port 131, which communicates the inside of the body part 121 with the atmosphere, so that the pressure in the body part 121 is consistent with the atmosphere. Atmospheric pressure remains the same.

Further, the inkjet printer 1 (as shown in FIG. 1 ) further includes a frame part 187 , and the frame part 187 covers the outside of the ink tank 120 . The frame portion 187 is provided with a substantially rectangular parallelepiped-shaped groove 186 that surrounds at least a part of the atmosphere communicating portions 130 of the four ink tanks 120 . The inkjet printer 1 (as shown in FIG. 1 ) further includes a covering part 185 , which is also substantially in the shape of a cuboid, and the covering part 185 can cover the groove 186 .

Referring to FIGS. 7 and 8 , the covering part 185 has an inner surface 184 , and when the covering part 185 covers the groove 186 , the inner surface 184 faces the inside of the groove 186 . The inner surface 184 is provided with a protruding portion 183 protruding from the inner surface 184 , and the protruding portion 183 is continuously closed along the circumferential direction, that is to say, the protruding portion 183 is substantially ring-shaped. The protruding portion 183 defines an accommodating space 182 , and when the covering portion 185 covers the groove 186 , the atmosphere communication port 131 is located in the accommodating space 182 .

Preferably, a plurality of protruding parts 183 corresponding to the number of the plurality of atmospheric communication parts 130 are provided on the inner surface 184, and the plurality of protruding parts 183 respectively define a plurality of accommodating spaces 182, and a plurality of the plurality of atmospheric communication parts 130 The atmospheric communication ports 131 are respectively located in the plurality of accommodation spaces 182 . For example, as shown in Fig. 7 and Fig. 8, in the first preferred embodiment of the present utility model, four protruding parts 183 corresponding to the number of four atmosphere communicating parts 130 are arranged on the inner surface 184, and the four protruding parts 183 The part 183 respectively defines four accommodation spaces 182 , and when the cover part 185 covers the groove 186 , the four atmospheric communication ports 131 are respectively located in the four accommodation spaces 182 .

As shown in FIG. 7 , in the state where the covering portion 185 covers the groove 186 , the axial length L of the protruding portion 183 is greater than the distance D1 from the inner surface 184 to the atmosphere communication port 131 and smaller than the distance D1 from the inner surface 184 to the groove 186 . The distance D2 from the bottom surface 181 . On the one hand, this solution can effectively make the protruding part 183 cover the atmosphere communication port 131, thereby preventing foreign matter such as dust and sand from entering the atmosphere communication port 131, and on the other hand, it can also facilitate the communication between the atmosphere communication port 131 and the outside world.

Preferably, the ink absorber 178 is disposed in the groove 186 . The ink absorber 178 can be a water-absorbing material such as water-absorbing resin, sponge, etc., so that it can effectively absorb the ink that accidentally leaks from the atmosphere communication port 131, and then can effectively prevent the excessive accumulation of ink in the groove 186 from polluting the surrounding environment. .

According to the inkjet printer of the present utility model, by setting the protruding part 183 continuously closed along the circumferential direction on the inner surface 184 of the covering part 185, and making the atmosphere communication port 131 in the accommodation space 182 defined by the protruding part 183, it can effectively Prevent foreign matters such as dust and sand from entering the atmosphere communication port 131 and affect the normal use of the inkjet printer 1 .

second embodiment

9 and 10 schematically show an ink tank of an inkjet printer according to a second preferred embodiment of the present invention. The inkjet printer according to the second embodiment has substantially the same configuration as that of the inkjet printer according to the first embodiment except for the structure of the covering portion, wherein structures having similar functions are given like reference numerals. Here, only the differences are described.

In the second embodiment of the present invention, the inner surface 284 of the covering part 285 is provided with a plurality of protrusions 283 , and the number of the plurality of protrusions 283 is less than the number of the atmosphere communication parts 230 . The plurality of protruding parts 283 respectively define a plurality of accommodation spaces 282 , and the plurality of atmosphere communication ports 231 of the plurality of atmosphere communication parts 230 are respectively located in the plurality of accommodation spaces 282 .

Specifically, as shown in FIGS. 9 and 10 , two protrusions 283 are provided on the inner surface 284 of the covering portion 285 , and the four ink tanks 220 have four atmospheric communication portions 230 in total. The two protruding parts 283 respectively define two accommodation spaces 282 , and the four atmosphere communication ports 231 of the four atmosphere communication parts 230 are respectively located in the two accommodation spaces 282 . For example, in the illustrated embodiment, two atmosphere communication ports 231 are accommodated in each accommodation space 282 . It can be understood that, in other embodiments not shown, one accommodating space 282 can also accommodate one atmospheric communication port 231 , and another accommodating space 282 can accommodate three atmospheric communication ports 231 . Alternatively, in other embodiments not shown, three protruding parts 283 may also be provided, and the three protruding parts 283 define three accommodating spaces 282 respectively, and the four atmospheric communication ports 231 of the four atmospheric communication parts 230 are respectively located at Three accommodating spaces 282 accommodate two atmosphere communication ports 231 in one accommodating space 282 , and one atmosphere communication port 231 is respectively accommodated in the other two accommodating spaces 282 . This solution can effectively prevent foreign matters such as dust and sand from entering the atmosphere communication port 231, and the solution is simple in structure, easy to manufacture and low in cost.

third embodiment

11 and 12 schematically show an ink tank of an inkjet printer according to a third preferred embodiment of the present invention. The inkjet printer according to the third embodiment has substantially the same configuration as that of the inkjet printer according to the first embodiment except for the structure of the covering portion, wherein structures having similar functions are given like reference numerals. Here, only the differences are described.

In the third embodiment of the present utility model, only one protruding part 383 is provided on the inner surface 384 of the covering part 385, and one protruding part 383 defines one accommodation space 382, and the multiple atmospheric communication ports of the multiple atmospheric communication parts 330 331 are located in the one containing space 382 . Specifically, in the illustrated embodiment, the four atmospheric communication ports 331 of the four atmospheric communication portions 330 are all located in the one accommodation space 382 . This solution can effectively prevent foreign matters such as dust and sand from entering the atmosphere communication port 331, and the solution is simple in structure, easy to manufacture and low in cost.

Fourth Embodiment

13-15 schematically show an ink tank of an inkjet printer according to a fourth preferred embodiment of the present invention. The inkjet printer according to the fourth embodiment has substantially the same configuration as that of the inkjet printer according to the first embodiment except for the structure of the covering portion, wherein structures having similar functions are given like reference numerals. Here, only the differences are described.

As shown in FIG. 14 and FIG. 15 , the lower end of the protruding portion 483 extends downward to form the extension portion 480 . When the cover part 485 covers the groove 486 , the lower end surface of the extension part 482 is in contact with the bottom surface 481 of the groove 486 , which can further effectively prevent foreign matters such as dust and sand from entering the atmosphere communication port 431 . Preferably, the extension part 480 is formed with a notch 479 , the setting of the notch 479 can facilitate the communication between the atmosphere communication port 431 and the outside through the notch 479 .

Unless otherwise defined, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the present invention. The terminology used herein is only for describing specific implementation purposes, and is not intended to limit the utility model. Where terms such as "component" appear herein, they may refer to either a single part or a combination of parts. Terms such as "mounting", "disposing", etc. appearing herein may mean that one component is directly attached to another component, or that one component is attached to another component through an intermediary. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features, unless the feature is not applicable in that other embodiment or stated otherwise.

The present utility model has been described through the above-mentioned embodiments, but it should be understood that the above-mentioned embodiments are only for the purpose of illustration and description, and are not intended to limit the present utility model to the scope of the described embodiments. In addition, those skilled in the art can understand that the utility model is not limited to the above-mentioned embodiments, and more variations and modifications can be made according to the teaching of the utility model, and these variations and modifications all fall within the scope of the utility model. within the scope of protection.

Claims (9)

1. an inkjet printer, is characterized in that, described inkjet printer comprises: Ink tank, described ink tank comprises: a body portion configured to contain ink; an ink injection part, the ink injection part communicates the interior of the body part with the exterior; an atmospheric communication part, the atmospheric communication part has an atmospheric communication port, and the atmospheric communication port communicates the interior of the body part with the atmosphere; a frame portion surrounding the ink tank, the frame portion being provided with a groove surrounding at least a part of the atmosphere communication portion; and a covering part, the covering part is covered on the groove, the covering part has an inner surface facing the inside of the groove, and the inner surface is provided with a circumferentially continuous sealing ring protruding from the inner surface A protruding part, the protruding part defines a receiving space, and the atmosphere communication port is located in the receiving space. 2. The inkjet printer according to claim 1, characterized in that, in the state where the covering portion covers the groove, the axial length L of the protrusion is greater than the communication between the inner surface and the atmosphere. The distance D1 from the mouth is smaller than the distance D2 from the inner surface to the bottom surface of the groove. 3 . The inkjet printer according to claim 1 , wherein the inkjet printer comprises a plurality of ink tanks and a plurality of atmosphere communication parts respectively corresponding to the plurality of ink tanks. 4 . 4. The inkjet printer according to claim 3, wherein a plurality of protrusions are provided on the inner surface, and the number of the plurality of protrusions corresponds to the number of the plurality of atmospheric communication parts, so The plurality of protruding parts respectively define a plurality of the accommodation spaces, and the plurality of atmosphere communication ports of the plurality of atmosphere communication parts are respectively located in the plurality of accommodation spaces. 5. The inkjet printer according to claim 3, wherein a plurality of protrusions are provided on the inner surface, and the number of the plurality of protrusions is less than the number of the plurality of atmospheric communication parts, so The plurality of protruding parts respectively define a plurality of the accommodation spaces, and the plurality of atmosphere communication ports of the plurality of atmosphere communication parts are respectively located in the plurality of accommodation spaces. 6. The inkjet printer according to claim 3, wherein a protruding portion is provided on the inner surface, and the one protruding portion defines one accommodating space, and a plurality of the plurality of atmosphere communicating portions Each atmosphere communication port is located in the one accommodation space. 7 . The inkjet printer according to claim 1 , wherein the lower end of the protruding portion extends downward to form an extension portion, and the extension portion is formed with a notch. 8 . The inkjet printer according to claim 7 , wherein in a state where the covering portion covers the groove, a lower end surface of the extension portion is in contact with a bottom surface of the groove. 9. The inkjet printer according to claim 1, wherein an ink absorber is arranged in the groove.