Ribbon cassette and printing apparatus

Abstract

A ribbon cassette and a printing apparatus, relating to the technical field of printing devices, and used for solving the technical problem that a current ribbon cassette and an accommodating compartment of the printing apparatus are snap-fitted too tightly, which causes the ribbon cassette to fail to be assembled in place so as to tilt upwardly, and makes the ribbon cassette difficult or even impossible to be taken out from the accommodating compartment. The ribbon cassette comprises: a cassette housing. The cassette housing is configured to be a rectangular housing, and the cassette housing comprises a top wall, a bottom wall, a side wall, and a plurality of corner portions. The cassette housing is provided with at least one ribbon accommodating area; part of the bottom wall is configured to be a recess and the recess is located at an edge of the cassette housing; in a first direction, the recess is recessed inwards relative to the ribbon accommodating area; and the recess is located between two adjacent corner portions, and the recess is communicated with at least one of the corner portions.

Description

A tape cartridge and a printing device

[0001] The present application claims priority from the Chinese patent application No. 202421506707.5 filed on June 27, 2024, and entitled "A tape cartridge and a printing device", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0002] The present application relates to the technical field of printing equipment, and in particular to a tape cartridge and a printing device. BACKGROUND

[0003] A printing device is a device for forming an image on a medium by an image processing technology. For example, a printer, etc. The printing device includes a main body and a tape cartridge arranged in the main body. The main body is provided with a containing bin, and the containing bin is provided with a positioning protrusion. The bottom wall of the tape cartridge is provided with a recess. When the tape cartridge is installed into the containing bin, the recess is clamped with the positioning protrusion to position the tape cartridge.

[0004] However, the current tape cartridge and the containing bin are clamped too tightly, which causes the tape cartridge to be not assembled in place and to be raised, and the tape cartridge is not easy or even impossible to be taken out from the containing bin. SUMMARY

[0005] The present application provides a tape cartridge and a printing device, which can avoid the tape cartridge from being not assembled in place and being raised, and the tape cartridge from being not easy or even impossible to be taken out from the containing bin.

[0006] To achieve the above-mentioned purpose, the embodiments of the present application provide the following technical solutions:

[0007] The first aspect of the embodiments of the present application provides a tape cartridge including a cartridge shell; the cartridge shell is configured as a rectangular shell, and the cartridge shell includes a top wall, a bottom wall, a side wall, and a plurality of corner portions; the cartridge shell is provided with at least one tape containing area; part of the bottom wall is configured as a recess, and the recess is recessed inward relative to the tape containing area along a first direction; the recess is located between two adjacent corner portions, and the recess is in communication with at least one of the corner portions.

[0008] In a possible implementation manner, the recess and the corner portion close to the recess are in the same plane; and two sides of the recess extend to two adjacent corner portions, respectively.

[0009] In a possible implementation manner, the recess and the corner portion close to the recess are in the same plane; and two sides of the recess extend to two adjacent corner portions, respectively.

[0010] In a possible implementation manner, the tape cartridge further includes a detection portion, and the detection portion is arranged in the recess.

[0011] In a possible implementation, the detection portion includes detection sites, some of which are configured as one or a combination of holes, grooves or protrusions.

[0012] In a possible implementation, the cartridge housing is configured as a rectangular housing; a bottom wall of the cartridge housing is provided with a first corner portion, a second corner portion, a third corner portion and a fourth corner portion, wherein the first corner portion is configured as an ejection portion; the second corner portion, the third corner portion and the fourth corner portion are configured as support portions; the second corner portion is oppositely arranged with the first corner portion along a second direction, the second corner portion is oppositely arranged with the third corner portion along a third direction, and the third corner portion is oppositely arranged with the fourth corner portion along the second direction; along the third direction, the recess is located between the second corner portion and the third corner portion, and along the first direction, the recess is located at an edge of the bottom wall.

[0013] In a possible implementation, the cartridge housing includes a body and a top cover which are detachably connected; the body has the bottom wall and the side wall which enclose a receiving cavity and a top opening which is in communication with the receiving cavity; the top cover includes the top wall, and the top cover is arranged on the top opening of the body along a first direction.

[0014] In a possible implementation, the tape receiving region includes first, second and third receiving regions which are arranged at intervals; the first receiving region is used for receiving a medium tape, the second receiving region is used for receiving a print film, and the third receiving region is used for receiving a color tape.

[0015] In a possible implementation, the tape cartridge further includes a driving wheel, a tape passing wheel, a supply wheel, a label wheel and a shaft core; the color tape is wound on the supply wheel, one end of the color tape is combined with the print film, and is connected to the driving wheel, and the driving wheel rotates and winds the used color tape; the print film is wound on the shaft core, the medium tape is wound on the label wheel, and the print film and one end of the medium tape are driven by the tape passing wheel and output to outside of the tape cartridge.

[0016] The second aspect of the embodiment of the present application provides a printing device, which includes a main body and the tape cartridge of the first aspect; the main body has a receiving bin, and a bottom wall of the receiving bin is provided with a positioning protrusion; the tape cartridge is installed in the receiving bin, and the recess of the tape cartridge is clamped with the positioning protrusion.

[0017] Compared with the related art, the tape cartridge and the printing device provided by the embodiment of the present application have the following advantages:

[0018] The tape cartridge and the printing device provided by the embodiments of the present application, wherein the bottom wall of the tape cartridge is combined with the bottom wall of the accommodating bin of the printing device, a plurality of corner portions and a recess are arranged on the bottom wall of the tape cartridge, the recess is arranged between two corner portions and located at the edge of the cartridge shell. Further, the corner portion is in communication with at least one corner portion adjacent thereto.

[0019] In the related art, the bottom wall of the tape cartridge is provided with a recess between two corner portions, and the recess is not in communication with the two corner portions, which results in that when the recess is combined with the positioning protrusion of the accommodating bin, the combined area is large and the adjustable space is small, thereby causing the tape cartridge to be not assembled in place and to be warped, and the tape cartridge is not easy to be taken out of the accommodating bin or even cannot be taken out of the accommodating bin.

[0020] The tape cartridge provided by the embodiments of the present application is in communication with the corner portion, so as to form a gap around the recess, thereby reducing the combined area of the tape cartridge and the bottom wall of the accommodating bin, so that when the recess is positioned or de-positioned with the positioning protrusion, the tape cartridge has a certain adjustable space, so as to facilitate the installation of the tape cartridge in place and the taking out of the tape cartridge from the accommodating bin.

[0021] In addition to the technical problems solved by the embodiments of the present application described above, the technical features constituting the technical solutions and the beneficial effects brought by the technical features, other technical problems solved by the tape cartridge and the printing device provided by the embodiments of the present application, other technical features included in the technical solutions and the beneficial effects brought by the technical features will be further described in detail in the specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creating laborious work.

[0023] FIG. 1 is a schematic diagram of the overall structure of the tape cartridge provided by the embodiments of the present application;

[0024] FIG. 2 is an exploded view of the tape cartridge provided by the embodiments of the present application;

[0025] FIG. 3 is a schematic diagram of the bottom wall of the tape cartridge provided by the embodiments of the present application;

[0026] FIG. 4 is a schematic diagram of the bottom wall of the tape cartridge provided by the embodiments of the present application;

[0027] FIG. 5 is a schematic diagram of the arrangement of the drive wheel, the tape passing wheel, the supply wheel, the label wheel and the shaft core in the main body of the tape cartridge provided by the embodiments of the present application;

[0028] Fig. 6 is a schematic diagram of a transmission path of a ribbon, a print film and a medium ribbon of a ribbon cartridge according to an embodiment of the present application.

[0029] Legend: 10 - cartridge housing; 10a - top wall; 10b - side wall; 10c - bottom wall; 11 - body; 12 - top cover; 13 - ribbon accommodating area; 14 - recess; 151 - first corner; 152 - second corner; 153 - third corner; 154 - fourth corner; 16 - arc-shaped transition; 20 - drive wheel; 30 - ribbon passing wheel; 40 - supply wheel; 50 - label wheel; 60 - shaft core; 70 - print film; 80 - ribbon; 90 - medium ribbon; 100 - ribbon cartridge. DETAILED DESCRIPTION

[0030] To make the objectives, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be described clearly and completely below with reference to the drawings in the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0031] In the related art, the ribbon cartridge and the accommodating bin are too tightly engaged, which causes the ribbon cartridge to be not assembled in place and to be warped, and the ribbon cartridge is not easily or even cannot be taken out of the accommodating bin. The applicant has found that the reason for this problem is that:

[0032] The bottom wall of the ribbon cartridge is provided with a recess between two corners, and the recess is not communicated with the two corners, which causes the combination area of the recess and the positioning protrusion of the accommodating bin to be large and the adjustable space to be small, thereby causing the ribbon cartridge to be not assembled in place and to be warped, and the ribbon cartridge to be not easily or even cannot be taken out of the accommodating bin.

[0033] To solve the above technical problems, the present application provides a ribbon cartridge, which is provided with a plurality of corners and a recess on the bottom wall of the ribbon cartridge. The recess is arranged between two corners and located at the edge of the cartridge housing. Further, the corner is communicated with at least one corner close to it.

[0034] In this way, a gap is formed around the recess, the combination area of the ribbon cartridge and the bottom wall of the accommodating bin is reduced, and the ribbon cartridge has a certain adjustable space when the recess is positioned or de-positioned with the positioning protrusion, so as to facilitate the installation of the ribbon cartridge in place and the taking out of the ribbon cartridge from the accommodating bin.

[0035] In order to make the above objectives, characteristics and advantages of the embodiments of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0036] In order to facilitate the description of the embodiments of the present application, first, the coordinate system in the drawings is described, wherein the Z-axis direction is the first direction, the first direction is defined as the height (thickness) direction of the tape cartridge, the Y-axis direction is the second direction, the second direction is defined as the width direction of the tape cartridge, and the X-axis direction is the third direction, the third direction is defined as the length direction of the tape cartridge.

[0037] The printing device provided by the embodiments of the present application includes a main body and a tape cartridge, and the tape cartridge is detachably installed in the main body. For example, the main body has a containing bin, the containing bin cooperates with the tape cartridge, the bottom wall of the containing bin is provided with a positioning structure, the positioning structure can include a plurality of positioning protrusions, the tape cartridge is provided with a recess part corresponding to the positioning protrusions, and when the tape cartridge is inserted into the containing bin, the recess part cooperates with the positioning protrusions to complete the positioning of the tape cartridge.

[0038] As shown in FIGS. 1, 2 and 3, the tape cartridge 100 in the embodiments of the present application includes a medium tape 90, a color tape 80 and a printing film 70, etc., the color tape 80 is used to provide carbon powder for printing, the carbon powder is melted on the printing film 70 under the heating of the printing head of the printing device, the required printing information is formed, the printing film 70 after completing printing is attached to the medium tape 90, and the printing film 70 and the medium tape 90 are guided out of the tape cartridge 100 under the clamping of the pressure roller of the printing device, thereby forming a label.

[0039] The tape cartridge 100 includes a cartridge shell 10, and the cartridge shell 10 is a rectangular shell as a whole. The cartridge shell 10 includes oppositely arranged top and bottom walls 10a and 10c along the first direction, and the top and bottom walls 10a and 10c are respectively arranged horizontally. The cartridge shell 10 has a containing cavity and is used to contain the above-mentioned medium tape 90, printing film 70 and color tape 80, etc., therefore the bottom wall 10c in the embodiments of the present application is divided into a plurality of functional areas, and the plurality of functional areas include but are not limited to a tape containing area 13, a corner part and a recess part 14.

[0040] Specifically, the partial bottom wall 10c is configured as a tape containing area 13 for arranging the medium tape 90, the printing film 70 and the color tape 80, the partial bottom wall 10c is configured as a corner, and each corner is located at a corner of the cartridge housing 10, wherein one corner is configured as a tape discharge part configured to discharge the label cartridge 100 from which the finished label is discharged, and the other corner is configured as a supporting corner for supporting the label cartridge 100 when the label cartridge 100 is installed into the containing bin.

[0041] The partial bottom wall 10c is configured as a recess 14, and the recess 14 is recessed inwardly relative to the tape containing area 13 along the first direction, in other words, when the label cartridge 100 is placed horizontally, the height of the bottom wall 10c of the tape containing area 13 is lower than the height of the bottom wall 10c of the recess 14, that is, along the first direction, the bottom wall 10c of the tape containing area 13 protrudes downwardly from the bottom wall 10c of the recess 14.

[0042] Along the second direction, the recess 14 is generally provided at the edge of the bottom wall 10c, and the recess 14 is provided between the two corners along the third direction, and the recess 14 is at least in communication with one of the corners. For example, the recess 14 is centrally provided at the edge of the bottom wall 10c along the third direction, and one corner is respectively provided on the left and right sides of the recess 14, and the recess 14 is at least in communication with one of the corners, that is, one of the corners is in communication with the local area where the recess 14 is located.

[0043] The bottom wall of the label cartridge in the prior art is provided with a recess between the two corners, and the recess is not in communication with the two corners, which causes that when the recess is combined with the positioning protrusion of the containing bin, the combined area is large and the adjustable space is small, thereby causing the label cartridge to be not assembled in place and to be warped, and the label cartridge is not easy or even impossible to be taken out from the containing bin.

[0044] The label cartridge 100 provided by the embodiment of the present application is in communication with the corner to form a gap around the recess 14. In this way, the combined area of the label cartridge 100 and the bottom wall of the containing bin can be reduced, so that the label cartridge 100 has a certain adjustable space when the recess 14 is positioned or de-positioned with the positioning protrusion, so as to facilitate the installation and removal of the label cartridge 100.

[0045] Further, the embodiment of the present application removes the partial bottom wall 10c between the recess 14 and the corner to make the recess 14 of the label cartridge 100 in communication with the corner, and in this way, the production materials of the label cartridge can be reduced, and the production cost can be reduced.

[0046] Exemplarily, the cartridge housing 10 is configured as a rectangular housing, and the cartridge housing 10 comprises a body 11 and a top cover 12; wherein the body 11 comprises the bottom wall 10c and the side wall 10b, and the side wall 10b is arranged along the circumference of the bottom wall 10c, and the side wall 10b is connected to the bottom wall 10c and forms the accommodating cavity and the top opening communicated with the accommodating cavity. Further, in the first direction, the top cover 12 is detachably mounted on the top of the body 11, and the top cover 12 comprises the top wall 10a, and the top cover 12 covers the top opening of the body 11 and shields the top opening.

[0047] As shown in FIG. 4, the bottom wall 10c of the cartridge housing 10 comprises four corner portions, and the four corner portions are respectively arranged at the four corners of the bottom wall 10c, that is, one corner portion is arranged at each corner, and for the convenience of describing the embodiments of the present application, the four corner portions are respectively a first corner portion 151, a second corner portion 152, a third corner portion 153 and a fourth corner portion 154.

[0048] Further, the arrangement of the four corner portions on the bottom wall 10c is as follows: the second corner portion 152 is arranged opposite to the first corner portion 151 in the second direction, and the second corner portion 152 is arranged opposite to the third corner portion 153 in the third direction, the third corner portion 153 is arranged opposite to the fourth corner portion 154 in the second direction, and the fourth corner portion 154 is arranged opposite to the first corner portion 151 in the second direction; that is, the first corner portion 151 and the third corner portion 153 are diagonally arranged, and the second corner portion 152 and the fourth corner portion 154 are diagonally arranged.

[0049] In the third direction, the recess 14 is located between the second corner portion 152 and the third corner portion 153, and in the second direction, the recess 14 is located at the edge of the bottom wall 10c. The recess 14 is selectively communicated with at least the second corner portion 152 and / or the third corner portion 153. For example, in the third direction, the recess 14 is arranged between the second corner portion 152 and the third corner portion 153 and is located at the edge of the bottom wall 10c.

[0050] It can be understood that the first corner portion 151 is configured as an ejection portion, the second corner portion 152, the third corner portion 153 and the fourth corner portion 154 are configured as support portions, and a support through hole can be selectively arranged at the third corner portion 153, and when the tape cartridge 100 is mounted to the accommodating bin, a support shaft of the printing device can be inserted into the support through hole and support the tape cartridge 100.

[0051] Preferably, the recess 14 and the corner portion adjacent to the recess 14 are in the same plane, and the two sides of the recess 14 extend to the two corner portions adjacent to the recess 14, respectively. For example, the recess 14, the second corner portion 152 and the third corner portion 153 are in the same plane, i.e., the bottom wall 10c where the recess 14, the second corner portion 152 and the third corner portion 153 are located is at the same height, and the left and right sides of the recess 14 extend to the second corner portion 152 and the third corner portion 153, respectively, and communicate with the second corner portion 152 and the third corner portion 153.

[0052] In this way, the area of the bottom wall of the accommodating cavity combined with the tape cartridge 100 can be further reduced, so that the tape cartridge 100 has a larger adjustment space when the recess 14 is positioned or unpositioned by the positioning protrusion, for example, the tape cartridge 100 can be adjusted leftward or rightward in the third direction, so as to facilitate the installation of the tape cartridge 100 into the accommodating cavity and the removal of the tape cartridge 100 from the accommodating cavity.

[0053] It should be noted that the communication area of the recess 14 and the second corner portion 152 and the third corner portion 153 can be provided as an arc-shaped transition portion 16, i.e., the side wall 10b where the extension area and the tape accommodating area 13 are connected can be configured as an arc-shaped wall. For example, the recess 14 and the third corner portion 153 communicate through the arc-shaped transition portion 16, which is not limited in the embodiments of the present application. In this way, the tape cartridge 100 and the bottom wall of the accommodating cavity can be avoided from being too tightly engaged.

[0054] The tape cartridge 100 provided by the embodiments of the present application further comprises a detection portion, which is arranged in the recess 14. The detection portion can be separately manufactured, i.e., the detection portion is completely independent of the cartridge shell 10, and the detection portion can be detachably connected in the recess 14. Alternatively, the detection portion and the cartridge shell 10 are matched as an integral structure, for example, the detection portion is integrally formed with the top cover 12, which is not limited in the embodiments of the present application.

[0055] Further, the detection portion in the embodiments of the present application is used to detect the type of the tape cartridge 100. The detection portion comprises detection positions, and part of the detection positions are configured as one or a combination of holes, grooves or protrusions. Correspondingly, a detection button cooperating with the detection positions is arranged in the printing device. When the tape cartridge 100 is installed into the accommodating cavity, the detection button and the detection portion are arranged opposite to each other. For example, the detection button comprises a plurality of detection columns, and when the detection columns are pressed or not pressed by the detection portion, the type of the tape in the tape cartridge can be detected according to the combination mode of the plurality of detection columns being pressed or not pressed.

[0056] On the basis of the above-mentioned embodiments, the tape accommodating area 13 provided by the embodiments of the present application at least comprises a first accommodating area, a second accommodating area and a third accommodating area, wherein the first accommodating area is used to accommodate the medium tape 90, so the first accommodating area is also called a medium tape accommodating area; the second accommodating area is used to accommodate the printing film 70, so the second accommodating area is also called a printing film accommodating area; and the third accommodating area is used to accommodate the color tape 80, and the third accommodating area is also called a color tape accommodating area.

[0057] Further, the first accommodating area, the second accommodating area and the third accommodating area are arranged apart from each other. In this way, the situation that the three contact each other and affect the printing effect before the required printing information is completed can be prevented, and the printing film 70, the ribbon 80 and the medium tape 90 can be wound smoothly to complete the printing task.

[0058] As shown in FIGS. 5 and 6, the ribbon cartridge 100 provided in the embodiment of the present application further comprises a driving wheel 20, a passing wheel 30, a supply wheel 40, a label wheel 50 and a shaft core 60, wherein the driving wheel 20 is arranged at the middle part of the body 11, and the ribbon cartridge 100 is provided with a first through hole in communication with the driving wheel 20, when the ribbon cartridge 100 is installed in the accommodating cavity of the printing device, a driving shaft of the printing device is inserted into the first through hole of the ribbon cartridge 100 and is in transmission connection with the driving wheel 20, and the driving shaft can drive the driving wheel 20 to rotate.

[0059] Further, the passing wheel 30 is arranged in the body 11 and is close to the tape discharge part, the ribbon cartridge 100 is provided with a second through hole in communication with the passing wheel 30, when the ribbon cartridge 100 is installed in the accommodating cavity of the printing device, another driving shaft of the printing device is inserted into the second through hole and is in transmission connection with the passing wheel 30, and the driving shaft can drive the passing wheel 30 to rotate.

[0060] The supply wheel 40 is arranged in the ribbon accommodating area, and one end of the ribbon 80 is wound on the supply wheel 40 and forms a ribbon roll. The other end of the ribbon 80 is combined with the printing film 70 after the toner on the ribbon 80 is fused to the printing film 70, and is connected to the driving wheel 20, the driving wheel 20 rotates and winds the used ribbon 80.

[0061] The shaft core 60 is arranged in the printing film accommodating area, and the printing film 70 is wound on the shaft core 60 and forms a printing film roll. One end of the printing film 70 is connected to the shaft core 60, and the other end of the printing film 70 extends to the tape discharge part and is in transmission connection with the passing wheel 30, that is, the passing wheel 30 rotates and drives the printing film 70 to move to the tape discharge part continuously.

[0062] The label wheel 50 is arranged in the medium tape accommodating area, and the medium tape 90 is wound on the label wheel 50 and forms a medium tape roll. One end of the medium tape 90 is connected to the label wheel 50, and the other end of the medium tape 90 extends to the tape discharge part and is in transmission connection with the passing wheel 30, and when the passing wheel 30 rotates, the medium tape 90 moves to the tape discharge part continuously.

[0063] It should be noted that the embodiment of the present application has an arm part at the front side of the ribbon cartridge 100, the arm part is arranged close to the tape discharge part, and the arm part is used for guiding the printing film 70 and the ribbon 80. A print head receiving part is arranged at the arm part, and the print head receiving part is used for the print head of the printing device to enter printing.

[0064] The heat-generating elements on the print head melt the toner on the ribbon 80 onto the print film 70 by heat generation in the print head housing portion, forming the desired print information. The print film 70 on which the printing is completed is attached to the print medium, is held by the pressure roller in the printing device, and is output from the ribbon discharge portion, and the ribbon 80 on which the printing is completed is wound back to the driving wheel 20.

[0065] In the description of the present application, it should be understood that the terms "center", "length", "width", "thickness", "top end", "bottom end", "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "inner", "outer", "axial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the indicated position or element must have a particular orientation, a particular configuration and operation, and therefore cannot be understood as a limitation on the present application.

[0066] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0067] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, or it can make the internal connection of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0068] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include the first and second features directly contacting, or the first and second features not directly contacting but contacting through another feature between them. Moreover, the first feature "on", "above" and "on" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0069] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A type of box, characterized in that, Including the box shell; The housing is configured as a rectangular housing, and the housing includes a top wall, a bottom wall, side walls, and multiple corners; The housing has at least one receiving area; a portion of the bottom wall is configured as a recess and located at the edge of the housing. Along the first direction, the recess is recessed inward relative to the receiving area of ​​the band; The recess is located between two adjacent corners, and the recess is in communication with at least one of the corners.

2. The cassette according to claim 1, characterized in that, The recess and the adjacent corner are in the same plane; the two sides of the recess extend to the two adjacent corners respectively.

3. The cassette according to claim 2, characterized in that, The recess has an arc-shaped transition portion between at least one of the corner portions.

4. The cassette according to claim 1, characterized in that, The cartridge also includes a detection unit, which is disposed within the recess.

5. The cassette according to claim 4, characterized in that, The detection unit includes detection positions, some of which are configured as one or a combination of holes, slots, or protrusions.

6. The cassette according to any one of claims 1 to 5, characterized in that, The bottom wall of the box shell is provided with a first corner, a second corner, a third corner and a fourth corner, wherein the first corner is configured to have a discharge section; The second corner portion, the third corner portion, and the fourth corner portion are configured as support portions; wherein the second corner portion and the first corner portion are disposed opposite each other along a second direction, the second corner portion and the third corner portion are disposed opposite each other along a third direction, and the third corner portion and the fourth corner portion are disposed opposite each other along the second direction; Along a third direction, the recess is located between the second corner and the third corner, and along a first direction, the recess is located at the edge of the bottom wall.

7. The cassette according to claim 1, characterized in that, The housing includes a detachably connected body and a top cover; The body has a bottom wall and a side wall, the bottom wall and the side wall forming a receiving cavity and a top opening communicating with the receiving cavity; The top cover includes the top wall, and the top cover is disposed over the top opening of the body along a first direction.

8. The cassette according to claim 1, characterized in that, The accommodating area includes a first accommodating area, a second accommodating area, and a third accommodating area that are spaced apart. The first accommodating area is used to accommodate the media tape, and the second accommodating area is used to accommodate the printing film; The third accommodating area is used to accommodate the color ribbon.

9. The cassette according to claim 8, characterized in that, The belt cassette also includes a drive wheel, a belt guide wheel, a supply wheel, a label wheel, and a shaft. The ribbon is wound around the supply wheel, and one end of the ribbon is combined with the printing film and connected to the drive wheel. The drive wheel rotates and winds the used ribbon. The printing film is wound on the shaft core, the media tape is wound on the label wheel, and one end of the printing film and the media tape are driven by the belt pulley and output to the outside of the tape cassette.

10. A printing apparatus, characterized in that, Includes the main body and the cassette as described in any one of claims 1 to 9; The main body has a receiving compartment, and the bottom wall of the receiving compartment is provided with a positioning protrusion; The cassette is installed inside the receiving compartment, and the recess of the cassette engages with the positioning protrusion.

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