Paper limiting structure facilitating width adjustment of different printing papers and printer

Abstract

The utility model discloses a paper limiting structure convenient for width adjustment of different printing papers and a printer, the paper limiting structure convenient for width adjustment of different printing papers comprises a paper limiting sheet, and one end of the paper limiting sheet, which is located at a paper inlet, extends outwards and is bent along the side wall of a printer body to form an extension part; a plurality of paper width marks are arranged on the side wall of the printer body transversely to the paper feeding direction; and the extension part can be detachably connected with the side wall of the printer body at different paper width marks. According to the paper limiting structure convenient for adjusting the widths of the different printing papers, the function of adjusting the position of the paper limiting sheet according to the different paper widths is realized through the structure that the paper limiting sheet, the extension part, the paper width mark and the side wall of the printer body are detachably connected, the structure is simple, the adjustment is convenient, and the production cost of the printer is reduced.

Description

Technical Field

[0001] This utility model relates to the field of printer technology, and in particular to a paper limiting structure and printer that facilitates adjustment of different paper widths. Background Technology

[0002] Existing paper width adjustment mechanisms for printers, such as the paper limiter structure disclosed in Chinese Patent Publication No. CN219544333U, achieve width adjustment through a rack and pinion mechanism. This mechanism is complex and costly. Furthermore, current paper limiter adjustment mechanisms are generally located inside the printer, requiring the printer's internal structure to be opened for adjustment, which is inconvenient. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a paper limiting structure and printer that facilitates the adjustment of different paper widths. The paper limiting structure that facilitates the adjustment of different paper widths includes a paper limiting piece. The paper limiting piece extends outward from one end of the paper inlet and bends along the side wall of the printer body to form an extension.

[0004] The printer body has several paper width markings on its side wall, which are transverse to the paper feed direction.

[0005] The extension can be detachably connected to the side wall of the printer body at different paper width markings.

[0006] Preferably, the extension is provided with an indicator arrow.

[0007] Preferably, the paper width marking includes one or more of A4, A5, and A6.

[0008] Preferably, the paper width markings are provided with several scales adjacent to each other.

[0009] Preferably, the detachable connection structure between the extension and the side wall of the printer body includes: the side wall of the printer body is provided with a plurality of first fixing grooves, and the extension is provided with a first through hole;

[0010] The first bolt passes through the first through hole and connects to the first fixing groove.

[0011] Preferably, the cross-section of the first fixing groove and / or the first through hole is elliptical.

[0012] Preferably, a second fixing groove is provided adjacent to the first fixing groove; the extension is provided with a second through hole; and the first bolt passes through the second through hole and is connected to the second fixing groove.

[0013] Preferably, the extension is provided with a raised baffle plate.

[0014] This utility model also provides a printer that uses a paper limiting structure as described above to facilitate the adjustment of different paper widths.

[0015] Preferably, the printer body is further provided with a printing roller, a belt drive assembly, and a tension adjustment assembly;

[0016] The tension adjustment component is located on one side of the belt drive component; the belt drive component is connected to the printing roller and drives the printing roller to rotate.

[0017] The paper limiting structure provided by this utility model facilitates adjustment of different paper widths. Through a structure in which the paper limiting piece, extension, paper width indicator, and printer body side wall are detachably connected, the paper limiting piece position can be adjusted according to different paper widths. The structure is simple, the adjustment is convenient, and the production cost of the printer is reduced. Attached Figure Description

[0018] Figure 1 A perspective view of the printer provided for an embodiment of this utility model;

[0019] Figure 2 for Figure 1 Enlarged view of section A;

[0020] Figure 3 Another perspective view of the printer provided for an embodiment of this utility model;

[0021] The components are as follows: 10. Printer body; 11. Paper inlet; 101. Paper width marking; 102. Scale; 103. First fixing groove; 104. Second fixing groove; 12. Belt drive assembly; 121. Drive wheel; 122. Driven wheel; 123. Belt; 13. Tension adjustment assembly; 131. Tension wheel; 132. Positioning part; 133. Connecting arm; 134. Adjustment hole; 135. Fastener; 136. Fastening groove; 137. Column; 141. Paper limiter; 142. Extension part; 1421. First through hole; 1422. Second through hole; 1423. Raised baffle; 1424. Indicator arrow. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model is further described below in conjunction with specific embodiments. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments in the implementation methods without creative effort are all within the protection scope of this utility model. Unless otherwise specified, the experimental methods in the following embodiments are conventional methods. Unless otherwise specified, the materials and reagents used in the following embodiments can be obtained commercially.

[0023] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] This utility model provides a paper limiting structure and printer that facilitates the adjustment of different paper widths. The paper limiting structure that facilitates the adjustment of different paper widths includes a paper limiting piece 141. The paper limiting piece 141 extends outward from one end of the paper inlet 11 and bends along the side wall of the printer body 10 to form an extension 142.

[0026] The printer body 10 has several paper width markings 101 on its side wall transverse to the paper feeding direction;

[0027] The extension 142 can be detachably connected to the side wall of the printer body 10 at different paper width markings 101.

[0028] In specific implementation, such as Figure 1 , Figure 2 As shown, the paper limiting structure that facilitates the adjustment of different paper widths includes a paper limiting piece 141. The paper limiting piece 141 extends outward from one end of the paper inlet 11 of the printer body 10 and bends downward along the side wall of the printer body 10 to form an extension 142. Through the structural design of the bent extension 142, it is convenient to extend the mounting structure of the paper limiting piece 141 to the outside of the printer body 10.

[0029] The printer body 10 has several paper width markings 101 on its side wall, which are transverse to the paper feeding direction; the paper width markings 101 are used to identify the type or width of different papers.

[0030] The extension 142 can be detachably connected to the side wall of the printer body 10 at different paper width markings 101; the detachable connection structure includes, but is not limited to, bolt connection structure, snap-fit ​​structure, etc.

[0031] During adjustment, the user only needs to remove and fix the paper limiter 141 on the side wall outside the printer body 10 without flipping or disassembling the printer body 10. The operation is convenient and the structure is simple. Furthermore, the structure in which the paper limiter 141 is detachably connected to the extension 142, the paper width indicator 101 and the side wall of the printer body 10 has a low manufacturing cost and can reduce the production cost of the printer.

[0032] The present invention provides a structure that facilitates adjustment of different paper widths. Through a paper limiting piece, an extension, a paper width indicator, and a side wall of the printer body, the structure enables adjustment of the paper limiting piece position according to different paper widths. The structure is simple, the adjustment is convenient, and the production cost of the printer is reduced.

[0033] Furthermore, the extension 142 is provided with an indicator arrow 1424.

[0034] In specific implementation, such as Figure 1 , Figure 2 As shown, the extension 142 is provided with an indicator arrow 1424. When adjusting, the indicator arrow 1424 is aligned with the paper width mark 101 to improve the accuracy of the adjustment.

[0035] Furthermore, the paper width identifier 101 includes one or more of A4, A5, and A6.

[0036] In practice, the paper width marking 101 includes one or more of A4, A5, and A6. A4, A5, and A6 are commonly used paper types on the market. Through the paper width marking 101 of A4, A5, and A6, users can quickly locate the position of the limiting piece 141 according to their needs.

[0037] Furthermore, the paper width marking 101 is provided with a plurality of scales 102 adjacent to each other.

[0038] In practice, the paper limiters 141 on the printer are usually paired and symmetrically distributed in the paper feed path of the printer body 10; the paper width markings 101 and other accessories that match the paper limiters 141 are also paired and symmetrically arranged. When paper eccentricity adjustment is required, it is convenient to make precise eccentricity adjustment; or when adjusting the width of paper other than A4, A5, and A6 types, the paper width markings 101 can be used to make precise adjustment based on the difference between the actual paper width and the width of the similar A4, A5, or A6 paper through several scales 102 arranged adjacent to each other.

[0039] Furthermore, the detachable connection structure between the extension 142 and the side wall of the printer body 10 includes: the side wall of the printer body 10 is provided with a plurality of first fixing grooves 103, and the extension 142 is provided with a first through hole 1421;

[0040] The first bolt passes through the first through hole 1421 and connects to the first fixing groove 103.

[0041] In specific implementation, such as Figure 1 , Figure 2 As shown, the detachable connection structure between the extension 142 and the side wall of the printer body 10 includes: the side wall of the printer body 10 is provided with a plurality of first fixing grooves 103, and the extension 142 is provided with a first through hole 1421.

[0042] The first bolt (not shown in the figure) passes through the first through hole 1421 and connects to the first fixing groove 103. The first fixing groove 103 is a blind groove or a through groove. When it is a blind groove, it has an internal thread for connecting with the first bolt. This embodiment features a detachable structure design that combines the first through hole 1421, the first fixing groove 103, and the first bolt, resulting in a simple structure and convenient use.

[0043] Furthermore, the cross-section of the first fixing groove 103 and / or the first through hole 1421 is elliptical.

[0044] In specific implementation, such as Figure 2 As shown, the cross-section of the first through hole 1421 is elliptical, and the length of the ellipse is set laterally to the paper feeding direction. The elliptical cross-section design of the first fixing groove 103 and / or the first through hole 1421 increases the lateral adjustment range.

[0045] Furthermore, the first fixing groove 103 is adjacent to the second fixing groove 104; the extension 142 is provided with a second through hole 1422; the first bolt passes through the second through hole 1422 and is connected to the second fixing groove 104.

[0046] In specific implementation, such as Figure 1 , Figure 2 As shown, the second fixing groove 104 has the same structure as the first fixing groove 103, and the second through hole 1422 has the same structure as the first through hole 1421. In this embodiment, by combining the added second fixing groove 104, second through hole 1422, and second bolt with the first fixing groove 103, first through hole 1421, and first bolt, the connection strength and connection stability of the paper sheet 141 are increased.

[0047] Furthermore, the extension 142 is provided with a protruding baffle 1423.

[0048] In specific implementation, such as Figure 2As shown, the surface of the extension 142 is provided with a raised lever 1423. The structure of the raised lever 1423 makes it convenient for the user to move the paper limit sheet 141, thereby improving the width adjustment efficiency.

[0049] This utility model also provides a printer that uses a paper limiting structure as described above to facilitate the adjustment of different paper widths.

[0050] In specific implementation, such as Figure 3 As shown, the printer body 10 is also equipped with a printing roller (not marked in the figure), a belt drive assembly 12 and a tension adjustment assembly 13;

[0051] The tension adjustment component 13 is located on one side of the belt drive component 12; the belt drive component 12 is connected to the printing roller and drives the printing roller to rotate. In this embodiment, the printer body 10, the printing roller, etc., are all existing structures, and will not be described in detail here. The belt drive component 12 and the tension adjustment component 13 can also adopt existing transmission component structures and tension adjustment structures.

[0052] In this embodiment, a tension adjustment component is provided on one side of the belt drive assembly that drives the printing roller to rotate. When the belt becomes loose or ages, the tension of the belt can be adjusted by the tension adjustment component without replacing the entire belt. Furthermore, the tension adjustment component can also ensure that the belt maintains appropriate tension when printing paper of different thicknesses.

[0053] In specific implementation, such as Figure 3 As shown, the belt drive assembly 12 includes a driving pulley 121, a driven pulley 122, and a belt 123, wherein:

[0054] The drive pulley 121 is connected to the drive motor (not shown) inside the printer body 10; the belt 123 connects the drive pulley 121 and the driven pulley 122; the driven pulley 122 is connected to the printing roller (not shown) inside the printer body 10; the tension adjustment assembly 13 is located on one side of the belt 123; the tension wheel 131 of the tension adjustment assembly 13 contacts the outer surface of the belt 123; adjusting the tension adjustment assembly 13 can move the tension wheel 131 toward or away from the belt 123. This embodiment adopts a two-stage transmission structure, which is simple and practical; by designing the tension adjustment assembly 13 to be located on one side of the belt 123, when the belt-touching assembly 12 is compact, interference between the tension adjustment assembly 13 and the belt drive assembly 12 can be avoided.

[0055] Preferably, the diameter of the driven wheel 122 is larger than the diameter of the driving wheel 121 to improve the transmission effect.

[0056] In specific implementation, such as Figure 3As shown, the tension adjustment assembly 13 includes a tensioning wheel 131, a positioning part 132, a connecting arm 133, an adjustment hole 134, and a fastener 135, wherein:

[0057] The positioning part 132 is located on the side wall of the printer body 10 on one side of the outer surface of the belt 123; one end of the connecting arm 133 is movably connected to the rotating shaft of the positioning part 132, and the other end is provided with an elongated adjustment hole 134; the adjustment hole 134 is arc-shaped; the fastener 135 is a bolt.

[0058] The tensioning wheel 131 is located on the side of the connecting arm 133 near the belt 123; the printer body 10 sidewall on the side of the adjustment hole 134 is provided with a fastening groove 136; the fastening groove 136 is a threaded groove; the fastener 135 passes through the adjustment hole 134 and is connected to the fastening groove 136.

[0059] During adjustment, the user rotates the connecting arm 133 around the positioning part 132. When the connecting arm 133 rotates toward the belt 123, it drives the tension wheel 131 to rotate toward the belt 123, thereby tensioning the belt. Through the elongated adjustment hole 134, when the connecting arm 133 rotates, the fastener 135 can also pass through the adjustment hole 134 and be fastened to the fastening groove 136.

[0060] The tension adjustment component 13 structure provided in this embodiment allows users to adjust the tension of the belt 123 according to actual usage needs.

[0061] In specific implementation, such as Figure 3 As shown, a column 137 is provided on the side wall of the printer body 10 on one side of the adjustment hole 134; a fastening groove 136 is provided at the end of the column 137, and at this time, the positioning part 132 is also provided at the end of the other column. The tensioning wheel 131 is set in the space formed by the two columns 137 and the connecting arm 133 through the support structure formed by the columns. When other structures are provided around the tension adjustment assembly 13, the tensioning wheel 131 can be protected and the tensioning wheel 131 can be prevented from being interfered with by other structures.

[0062] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A paper limiting structure for facilitating adjustment of different printing paper widths, characterized by: The paper limiting sheet (141) extends outward from one end of the paper inlet (11) and bends along the side wall of the printer body (10) to form an extension (142); The side wall of the printer body (10) is provided with a plurality of paper width identifiers (101) transverse to the paper feeding direction; The extension (142) is detachably connected with the side wall of the printer body (10) at different paper width identifiers (101).

2. The paper end structure for easy adjustment of different printing paper widths according to claim 1, wherein: The extension (142) is provided with an indicating arrow (1424).

3. The paper end structure for easy adjustment of different printing paper widths according to claim 1, wherein: The paper width identifiers (101) include one or more of A4, A5, and A6.

4. The paper end structure for easy adjustment of different paper widths of claim 3, wherein: The paper width identifiers (101) are adjacent to a plurality of scales (102).

5. The paper limiting structure for adjusting to different paper widths of printing according to any one of claims 1-4, wherein: The detachable connection structure of the extension (142) and the side wall of the printer body (10) includes that the side wall of the printer body (10) is provided with a plurality of first fixing grooves (103), and the extension (142) is provided with a first through hole (1421); A first bolt passes through the first through hole (1421) and is connected with the first fixing groove (103).

6. The paper end structure for easy adjustment of different printing paper widths according to claim 5, wherein: The cross section of the first fixing groove (103) and / or the first through hole (1421) is oval.

7. The paper end structure for easy adjustment of different paper widths of claim 6, wherein: The first fixing groove (103) is adjacent to a second fixing groove (104), the extension (142) is provided with a second through hole (1422), and a first bolt passes through the second through hole (1422) and is connected with the second fixing groove (104).

8. The paper end structure for easy adjustment of different paper widths of claim 1, wherein: The extension (142) is provided with a convex dial plate (1423).

9. A printer characterized by: The paper limiting structure for adjusting different printing paper widths is adopted.

10. The printer of claim 9, wherein: The printer body (10) is also provided with a printing rubber roller, a belt driving assembly (12), and a tension adjusting assembly (13); The tension adjusting assembly (13) is arranged on one side of the belt driving assembly (12); the belt driving assembly (12) is connected with the printing rubber roller and drives the printing rubber roller to rotate.

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