Consumable limiting device of printer and printer

Abstract

The utility model describes a consumable limiting device of a printer and the printer, the printer is provided with a printer body, and the printer body is provided with two connecting parts which are arranged at an interval; the consumable limiting device comprises two positioning pieces and a limiting piece, wherein each positioning piece comprises a first side wall and a second side wall which are oppositely arranged; a paper roll support assembly; a folding paper limiting assembly; when the first side walls of the two positioning pieces face each other, the two positioning pieces limit consumables through the paper roll bracket assembly; and when the second side walls of the two positioning pieces face each other, the two positioning pieces limit the consumables through the folded paper limiting assembly. Therefore, the consumable limiting device can reduce shaking of the consumables in the printing process, and the printing deviation problem is optimized. In addition, the consumable limiting device is arranged externally, the size of the printer body can be reduced, the consumable limiting device can be compatible with the two consumables of the paper roll and the folded paper, and a user does not need to purchase two different types of printers.

Description

A consumable limiting device for a printer and a printer Technical Field

[0001] This utility model relates to the field of printer technology, and in particular to a consumable limiting device for a printer and a printer. Background Technology

[0002] Currently available portable thermal or thermal transfer printers are compatible with various types of consumables, including sheet paper, roll paper, and folded paper. To further reduce printer size, some printers have an external paper tray; these are also known as trayless printers.

[0003] In some existing paperless printers, the paper tray is located outside the printer body and lacks an effective limiting device, resulting in poor filament fixation. This leads to filament shifting and misalignment during printing, causing skewed printing and affecting print quality. Therefore, an improved filament limiting device is urgently needed. Summary of the Invention

[0004] In view of the above-mentioned existing situation, this application provides a consumable limiting device for a printer and a printer, which can improve the existing consumable limiting device for printers, improve the stability of consumable supply, reduce the space occupation rate of the consumable limiting device for printers, and be compatible with multiple types of consumables at the same time.

[0005] In a first aspect, this utility model provides a consumable limiting device for a printer. The printer has a printer body with two spaced-apart connecting portions. The consumable limiting device includes: two positioning members installed on the connecting portions, each positioning member including a first sidewall and a second sidewall disposed opposite to each other; a paper roll support assembly; and a folding paper limiting assembly. When the two positioning members are respectively connected to the two connecting portions and the first sidewalls of the two positioning members face each other, the two positioning members are in a first installation position, and the two positioning members limit the consumables via the paper roll support assembly. When the two positioning members are respectively connected to the two connecting portions and the second sidewalls of the two positioning members face each other, the two positioning members are in a second installation position, and the two positioning members limit the consumables via the folding paper limiting assembly.

[0006] Optionally, the paper roll support assembly includes a mounting shaft and a mounting groove formed on the first side wall, with both ends of the mounting shaft respectively mounted in the mounting groove, and the mounting shaft is used to pass through the paper roll.

[0007] Optionally, the mounting shaft includes a sleeve portion and mounting portions disposed at both ends of the sleeve portion, the mounting portions being mounted in the mounting groove, and the sleeve portion being used to pass through the paper roll.

[0008] Optionally, the paper roll support assembly further includes two limiting members; the limiting members are provided with guide holes, the mounting shaft passes through the guide holes, and the two limiting members are used to abut against the two ends of the paper roll respectively.

[0009] Optionally, the first sidewall is further provided with a receiving groove for accommodating the limiting member.

[0010] Optionally, the recess depth of the receiving groove is greater than or equal to the thickness of the limiting member.

[0011] Optionally, the surface of the mounting shaft is provided with scale lines along the axial direction of the mounting shaft.

[0012] Optionally, the folding paper limiting component includes a positioning surface disposed on the second sidewall, the positioning surface having a planar structure; when the two positioning members are in the second installation position, the two positioning surfaces are parallel to each other.

[0013] Secondly, this utility model also provides a printer, which includes the consumable limiting device of the printer as described above; the printer body and the consumable limiting device of the printer are detachably connected.

[0014] Optionally, the positioning member is provided with an assembly part, which is one of a protrusion and a groove, and the connecting part is the other of the protrusion and the groove, wherein the protrusion is fitted into the groove.

[0015] This utility model relates to a consumable limiting device for a printer, wherein the printer has a printer body; the printer body has two spaced-apart connecting parts. The consumable limiting device includes two positioning members, a paper roll support assembly, and a folding paper limiting assembly. The positioning members are installed on the connecting parts, and the outer sides of the positioning members have first sidewalls and second sidewalls facing each other; when the two positioning members are respectively connected to the two connecting parts, and the first sidewalls of the two positioning members face each other, the two positioning members are in a first installation position, and the two positioning members limit the consumables via the paper roll support assembly; when the two positioning members are respectively connected to the two connecting parts, and the second sidewalls of the two positioning members face each other, the two positioning members are in a second installation position, and the two positioning members limit the consumables via the folding paper limiting assembly. With this structure, the consumable limiting device provided by this utility model can reduce the shaking of consumables during printing, optimize the printing offset problem, and also reduce the possibility of consumables coming off, thereby improving printing stability. Furthermore, the external consumable limiting device reduces the size of the printer body and minimizes space occupancy. As a standalone accessory, it does not affect the main structure or the original appearance of the printer. Additionally, when the consumable limiting device is in the first installation position, the paper roll support assembly limits the paper roll; when in the second installation position, the folding paper limiting assembly limits the folded paper. Therefore, this consumable limiting device is compatible with both paper rolls and folded paper, eliminating the need for users to purchase two different types of printers and saving on operating costs. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.

[0018] Figure 1 is a schematic diagram showing the overall structure of the printer involved in this application.

[0019] Figure 2 is a schematic diagram showing the paper roll placement of the printer involved in this application.

[0020] Figure 3 is a schematic diagram illustrating the printer involved in this application when it is used to place stacked paper.

[0021] Figure 4 is an exploded view of the consumable limiting device involved in this application.

[0022] Figure 5 is a schematic diagram showing the structure of the positioning component of the consumable limiting device involved in this application.

[0023] Figure 6 is a schematic diagram showing the structure of the limiting component of the consumable limiting device involved in this application.

[0024] Figure 7 is a schematic diagram showing the structure of the mounting shaft of the consumable limiting device involved in this application.

[0025] Figure 8 is an enlarged schematic diagram showing point A in Figure 7, which relates to this application.

[0026] Figure 9 is an exploded view of the printer involved in this application.

[0027] Figure 10 is an enlarged schematic diagram showing point B in Figure 9, which relates to this application.

[0028] Reference numerals: 100, printer body; 101, connecting part; 200, paper roll; 300, folded paper; 1, positioning part; 11, mounting groove; 12, positioning surface; 13, receiving groove; 14, assembly part; 2, mounting shaft; 21, socket part; 22, mounting part; 23, scale line; 3, limiting part; 31, guide hole. Detailed Implementation

[0029] The preferred embodiments of this application will now be described in detail with reference to the accompanying drawings. In the following description, the same reference numerals are used for the same components, and repeated descriptions are omitted. Furthermore, the drawings are merely schematic diagrams, and the proportions of the components or their shapes may differ from actual dimensions. It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationships and movement of the components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0030] It should also be noted that when a component is described as "fixed to" or "set on" another component, it can be directly on the other component or there may be an intervening component present. When a component is described as "connected to" another component, it can be directly connected to the other component or there may be an intervening component present.

[0031] Referring to Figures 1 to 3, 9, and 10, this application provides a consumable limiting device for a printer. The printer has a printer body 100, which has two spaced-apart connecting portions 101. The consumable limiting device includes two positioning members 1, a paper roll support assembly, and a folding paper limiting assembly. The positioning members 1 are installed on the connecting portions 101, and each positioning member 1 includes a first sidewall and a second sidewall opposite to each other. When the two positioning members 1 are respectively connected to the two connecting portions 101, and the first sidewalls of the two positioning members 1 face each other, the two positioning members 1 are in a first installation position, and the two positioning members 1 limit the consumables via the paper roll support assembly, i.e., the installation state shown in Figure 2. When the two positioning members 1 are respectively connected to the two connecting portions 101, and the second sidewalls of the two positioning members 1 face each other, the two positioning members 1 are in a second installation position, and the two positioning members 1 limit the consumables via the folding paper limiting assembly, i.e., the installation state shown in Figure 3.

[0032] Based on the above structure, the consumable limiting device provided in this application can reduce consumable movement during printing, optimize printing offset, reduce the possibility of consumable ejection, and improve printing stability. Furthermore, the external consumable limiting device reduces the size of the printer body 100, minimizing space occupancy. As an independent accessory, it does not affect the main structure of the printer body 100 or its original appearance. Additionally, when the consumable limiting device is in the first installation position, the paper roll support assembly limits the paper roll 200; when it is in the second installation position, the folding paper limiting assembly limits the folded paper 300. Therefore, this consumable limiting device is compatible with both paper roll 200 and folded paper 300, eliminating the need for users to purchase two different types of printers and saving on operating costs.

[0033] Referring to Figure 4, in some embodiments, the paper roll support assembly further includes a mounting shaft 2 and a mounting groove 11 formed on the first side wall. Both ends of the mounting shaft 2 are respectively mounted in the mounting groove 11, and the mounting shaft 2 is used to pass through the paper roll 200. Specifically, when the two positioning members 1 are in the first installation position, the two mounting grooves 11 are arranged opposite to each other. Typically, the paper roll 200 includes a paper tube and paper wound around the paper tube, and the paper tube is hollow. After the mounting shaft 2 passes through the paper tube, both ends of the mounting shaft 2 are then mounted on the mounting groove 11. Therefore, using the printer's consumable limiting device to install the paper roll 200 is convenient and quick.

[0034] Referring to Figure 7, in some embodiments, the mounting shaft 2 includes a sleeve portion 21 and mounting portions 22 disposed at both ends of the sleeve portion 21. The mounting portions 22 are mounted in the mounting groove 11, and the sleeve portion 21 is used to pass through the paper roll 200. Specifically, the size of the sleeve portion 21 can be set according to the inner diameter of the paper roll. Referring to Figure 7, in some examples, the cross-sectional area of ​​the mounting portion 22 can be smaller than the cross-sectional area of ​​the sleeve portion 21. In this way, the volume of the mounting portion 22 can be set to be smaller, just enough to fit the mounting groove 11. Thus, the structure of the printer's consumable limiting device is more compact and saves space.

[0035] Referring to Figures 4 and 6, in some embodiments, the paper roll support assembly further includes two limiting members 3. Each limiting member 3 has a guide hole 31 through which the mounting shaft 2 passes. By adjusting the position of the limiting member 3 on the mounting shaft 2, the two limiting members 3 can abut against both ends of the paper roll 200. Thus, the limiting members 3 can respectively limit the positions of both ends of the paper roll 200, reducing the problem of positional displacement of the paper roll 200 caused by shaking during printing. During installation, the user places the paper roll 200 onto the socket 21. The two limiting members 3 can be inserted into the socket 21 from both ends of the mounting shaft 2. Then, the mounting part 22 is aligned and placed into the mounting groove 11. Subsequently, the positions of the two limiting members 3 can be slightly adjusted to ensure that the paper roll 200 is aligned with the printer's paper inlet and that the limiting members 3 clamp the paper roll 200.

[0036] Referring to Figures 4 and 5, in some embodiments, the first sidewall is further provided with a receiving groove 13 for accommodating the limiting member 3. Thus, when the limiting member 3 is fitted onto both ends of the mounting shaft 2, the limiting member 3 can be pushed into the receiving groove 13, preventing the limiting member 3 from protruding from the first sidewall. In this way, after the limiting member 3 enters the receiving groove 13, there is sufficient distance between the two limiting members 3, thereby providing accommodating space for the wider paper roll 200. Here, the width of the paper roll 200 refers to its dimension along the axial direction of the paper tube.

[0037] In some embodiments, the recess depth of the receiving groove 13 is greater than or equal to the thickness of the limiting member 3. Specifically, in some examples, the recess depth of the receiving groove 13 can be equal to the thickness of the limiting member 3. In this case, when the limiting member 3 is located in the receiving groove 13, the outer side of the limiting member 3 can be on the same plane as the first sidewall. Thus, the first sidewall and the limiting member 3 can jointly limit the paper roll 200. In other examples, the recess depth of the receiving groove 13 can be greater than the thickness of the limiting member 3. In this case, the limiting member 3 can be recessed in the receiving groove 13, and the first sidewall can directly limit the paper roll 200.

[0038] Referring to Figures 7 and 8, in some embodiments, the surface of the mounting shaft 2 is provided with scale lines 23 along the axial direction of the mounting shaft 2. Thus, the scale lines 23 provide a visual reference for the user, helping the user to accurately align the paper roll 200 during installation.

[0039] Referring to Figure 8, in some embodiments, the scale values ​​corresponding to the scale lines 23 gradually increase along the direction from the middle of the mounting shaft 2 towards both ends of the mounting shaft 2. It can be understood that the scale values ​​corresponding to the scale lines 23 are mirror-image distributed. This facilitates user reference to ensure the paper roll 200 is centered and aligned.

[0040] Specifically, in some examples, when installing a 16 cm wide paper roll 200, the user can first push the paper roll 200 to the center of the mounting shaft 2, and then check the scale line 23. If both ends of the paper roll 200 are located at the corresponding scale value of 8 cm, it indicates that the paper roll 200 is centered. Conversely, if one end of the paper roll 200 is at the scale value of 9 cm and the other end is at the scale value of 7 cm, it indicates that the paper roll 200 is offset, and the user needs to adjust its position.

[0041] Referring to Figure 3, after the positioning member 1 is installed on the printer body 100, the positioning member 1 is located on the side of the printer body 100 facing the paper inlet, that is, both the paper roll 200 and the folded paper 300 are installed on this side. Specifically, when limiting the folded paper 300, the two positioning members 1 limit the sides of the folded paper 300, but do not limit the top of the folded paper 300. In this way, the positioning member 1 can hold thicker folded paper 300, reducing the number of times the user adds paper. In addition, the two positioning members 1 do not limit the side of the positioning member 1 away from the printer body 100, so the printer can hold longer folded paper 300.

[0042] Referring to Figures 3 and 4, in some embodiments, the folding paper limiting component includes a positioning surface 12 disposed on the second sidewall, the positioning surface 12 having a planar structure; referring to Figure 3, when the two positioning members 1 are in the second installation position, the two positioning surfaces 12 are parallel to each other. Thus, the planar positioning surface 12 can better fit the edge of the folding paper 300, playing a limiting role for the folding paper 300, and is more suitable for placing the folding paper 300.

[0043] This application also provides a printer, which includes the consumable limiting device for the printer as described above, and a printer body 100. The printer body 100 and the consumable limiting device are detachably connected. On the one hand, when storing and transporting the printer, the consumable limiting device can be detached from the printer body 100, thereby allowing for flexible packaging and storage of both, avoiding the inconvenience of storage and transportation caused by the excessive size of the printer, and significantly reducing transportation costs. On the other hand, the consumable limiting device can be used as an independent accessory, without affecting the main structure of the printer body 100 or significantly affecting the original appearance of the printer body 100.

[0044] Referring to Figures 9 and 10, in some embodiments, the positioning member 1 is provided with an assembly portion 14, which is one of a protrusion and a groove, and the connecting portion 101 is the other of a protrusion and a groove, with the protrusion fitting into the groove. Therefore, the installation structure between the printer body 100 and the positioning member 1 is simple, convenient for user installation, and avoids complex installation structures, thus reducing potential points of failure.

[0045] Referring to Figure 9, in some examples, the groove is located at the bottom of the printer body 100, and the mounting portion 14 of the positioning member 1 protrudes upward. During installation, the positioning member 1 is placed on a table or other surface, and then the printer body 100 is partially lifted to align the groove with the mounting portion 14, and then the printer body 100 is lowered.

[0046] In summary, the consumable limiting device provided in this application can reduce consumable movement during printing, optimize printing offset, reduce the possibility of consumable ejection, and improve printing stability. Furthermore, the external consumable limiting device reduces the size of the printer body 100, minimizing space occupancy. As an independent accessory, it does not affect the main structure of the printer body 100 or its original appearance. Additionally, when the consumable limiting device is in the first installation position, the paper roll support assembly limits the paper roll 200; when it is in the second installation position, the folding paper limiting assembly limits the folded paper 300. Therefore, this consumable limiting device is compatible with both paper roll 200 and folded paper 300, eliminating the need for users to purchase two different types of printers and saving on operating costs.

[0047] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0048] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0049] The embodiments, implementation methods, and related technical features of this application can be combined and substituted for each other without conflict.

[0050] The above are merely preferred embodiments of this application and are not intended to limit this application in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the scope of the technical solution of this application shall still fall within the scope of the technical solution of this application.

[0051] Although the present invention has been specifically described above in conjunction with the accompanying drawings and embodiments, it is to be understood that the above description does not limit the present invention in any way. Those skilled in the art can make modifications and variations to the present invention as needed without departing from the essential spirit and scope of the present invention, and all such modifications and variations fall within the scope of the present invention.

Claims

1. A consumable limiting device for a printer, characterized in that, The printer has a printer body with two spaced-apart connecting portions. The consumable limiting device includes: two positioning members installed on the connecting portions, each positioning member including a first sidewall and a second sidewall opposite to each other; a paper roll support assembly; and a folding paper limiting assembly. When the two positioning members are respectively connected to the two connecting portions and their first sidewalls face each other, the two positioning members are in a first installation position, and the two positioning members limit the consumables via the paper roll support assembly. When the two positioning members are respectively connected to the two connecting portions and their second sidewalls face each other, the two positioning members are in a second installation position, and the two positioning members limit the consumables via the folding paper limiting assembly.

2. The consumable limiting device for a printer according to claim 1, characterized in that, The paper roll support assembly includes a mounting shaft and a mounting groove formed on the first side wall. Both ends of the mounting shaft are respectively mounted in the mounting groove, and the mounting shaft is used to pass through the paper roll.

3. The consumable limiting device for a printer according to claim 2, characterized in that, The mounting shaft includes a sleeve portion and mounting portions located at both ends of the sleeve portion. The mounting portions are mounted in the mounting groove, and the sleeve portion is used to pass through the paper roll.

4. The consumable limiting device for a printer according to claim 2, characterized in that, The paper roll support assembly also includes two limiting members; each limiting member has a guide hole, the mounting shaft passes through the guide hole, and the two limiting members are used to abut against both ends of the paper roll respectively.

5. The consumable limiting device for a printer according to claim 4, characterized in that, The first sidewall is also provided with a receiving groove, which is used to receive the limiting member.

6. The consumable limiting device for a printer according to claim 5, characterized in that, The depth of the recessed groove is greater than or equal to the thickness of the limiting member.

7. The consumable limiting device for a printer according to claim 2, characterized in that, The surface of the mounting shaft is provided with scale lines along the axial direction of the mounting shaft.

8. The consumable limiting device for a printer according to claim 1, characterized in that, The folding paper limiting component includes a positioning surface disposed on the second side wall, the positioning surface having a planar structure; when the two positioning members are in the second installation position, the two positioning surfaces are parallel to each other.

9. A printer, characterized in that, Includes a consumable limiting device for a printer as described in any one of claims 1-8; the printer body is detachably connected to the consumable limiting device for the printer.

10. The printer according to claim 9, characterized in that, The positioning component has an assembly part, which is one of a protrusion and a groove, and the connecting part is the other of the protrusion and the groove, with the protrusion fitting into the groove.

Images