Paper limiter structure

Abstract

The utility model discloses a paper limiter structure which comprises a base, a first receding groove and a second receding groove are formed in the base, and a first rack paper limiting assembly and a second rack paper limiting assembly are installed in the first receding groove and the second receding groove respectively in a sliding mode. The base is further rotationally provided with a gear in meshing transmission with the first rack paper limiting assembly and the second rack paper limiting assembly, a first guide assembly is arranged between the second rack paper limiting assembly and the base, and a second guide assembly is arranged between the first rack paper limiting assembly and the base. The first guide assembly and the second guide assembly are used for guiding the second rack paper limiting assembly and the first rack paper limiting assembly in the moving process respectively, so that the first rack paper limiting assembly and the second rack paper limiting assembly move more stably and smoothly in the adjusting process, and the experience feeling of a user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of printers, in particular to a paper limiter structure. Background Art

[0002] In order to limit paper rolls of different specifications in the printer, the two racks are used to slide so that the limit plates at the ends of the two racks are close to or away from each other to adjust the width of the paper roll. However, during the sliding process of the racks, there is no guide structure, which makes the racks slide unsmoothly, and the user experience is not good. Therefore, we provide a paper limiter structure to solve the above problem. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art and provide a paper limiter structure.

[0004] The purpose of the utility model is achieved through the following technical solutions:

[0005] A paper limiter structure comprises a base, wherein a first avoidance groove and a second avoidance groove are provided on the base, a first rack paper limiter assembly and a second rack paper limiter assembly are slidably installed in the first avoidance groove and the second avoidance groove respectively, a gear meshing with the first rack paper limiter assembly and the second rack paper limiter assembly is also rotatably installed on the base, a first guide assembly is provided between the second rack paper limiter assembly and the base, and a second guide assembly is provided between the first rack paper limiter assembly and the base.

[0006] Preferably, the first rack paper limiting assembly comprises a first transmission rack, the end of the first transmission rack is integrally provided with a first slider slidably connected to the first avoidance groove, and the first slider is detachably and fixedly provided with a first paper limiting paperboard extending to support the base paper bin;

[0007] The second rack paper limiting assembly includes a second transmission rack, the end of the second transmission rack is integrally provided with a second slider slidably connected to the second avoidance groove, and the second slider is detachably fixedly mounted with a second paper limiting paperboard extending into the base paper bin;

[0008] The gear is located between the first transmission rack and the second transmission rack, and both the gears are meshed with the first transmission rack and the second transmission rack for transmission.

[0009] Preferably, the first guide assembly includes a first guide groove provided on the base shell and located on one side of the first avoidance groove, and also includes a first guide bar integrally provided on the bottom surface of the second transmission rack and adapted to the first guide groove.

[0010] Preferably, the second guide assembly includes a second guide bar arranged on the base shell at the other side of the first avoidance groove, and the bottom surface of the first transmission rack is provided with a second guide groove adapted to the second guide bar.

[0011] Preferably, a first limit block is also fixedly mounted on the base shell, the first limit block is located on the sliding path of the second transmission rack, and the second transmission rack is located between the first limit block and the base.

[0012] Preferably, a second limit block is fixedly mounted on the base shell, the second limit block is located on the sliding path of the first transmission rack, and the first transmission rack is located between the second limit block and the base.

[0013] Preferably, a contact surface is provided on the second transmission rack, and when in use, after the second transmission rack slides to a predetermined position, the contact surface contacts the first limit block.

[0014] Preferably, the gear is a damping gear.

[0015] The utility model has the following advantages:

[0016] 1. The utility model guides the second rack paper limiting assembly and the first rack paper limiting assembly respectively when they move through the first guide assembly and the second guide assembly, so that the first rack paper limiting assembly and the second rack paper limiting assembly can move more stably and smoothly during adjustment, thereby improving the user experience.

[0017] 2. The utility model sets a gear between the first transmission rack and the second transmission rack, so that when one of the first transmission rack and the second transmission rack is moved, the other one can also be moved, and the two can synchronously drive the first limit paperboard and the second limit paperboard to approach or move away from each other, thereby adjusting the distance between the first limit paperboard and the second limit paperboard, so that paper rolls of different widths can be installed in the paper bin.

[0018] 3. The utility model makes the second transmission rack move more stably and smoothly through the cooperation of the first guide bar and the first guide groove, thereby preventing the second transmission rack from getting stuck during the movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model when the first limiting paperboard and the second limiting paperboard are at the farthest distance from each other.

[0020] Figure 2 It is a schematic diagram of the back side of the first rack paper limiting assembly, the second rack paper limiting assembly and the gears of the utility model in an assembled state.

[0021] Figure 3 It is a front schematic diagram of the first rack paper limiting assembly, the second rack paper limiting assembly and the gears of the utility model in an assembled state.

[0022] Figure 4 It is a schematic diagram of the base structure of the utility model.

[0023] Figure 5 It is a schematic diagram of the overall structure of the utility model when the first limiting paperboard and the second limiting paperboard are in a state where the distance between each other is the shortest.

[0024] Figure 6 It is an overall bottom view schematic diagram of the utility model when the first limiting paperboard and the second limiting paperboard are in a state where the distance between each other is the shortest.

[0025] Figure 7 For the utility model Figure 6 Schematic diagram of the AA section view.

[0026] Figure 8 For the utility model Figure 6 Schematic diagram of the cross-section along the BB direction.

[0027] In the figure, 1, base; 2, first rack paper limiting assembly; 21, first transmission rack; 22, first slider; 23, first paper limiting board; 3, second rack paper limiting assembly; 31, second transmission rack; 32, second slider; 33, second paper limiting board; 4, gear; 5, first avoidance groove; 6, second avoidance groove; 7, first limit block; 8, second limit block; 9, first guide assembly; 91, first guide strip; 92, first guide groove; 10, second guide assembly; 101, second guide groove; 102, second guide strip; 11, abutment surface. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0029] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] like Figure 1 — Figure 8 The embodiment shown.

[0031] A paper limiter structure comprises a base 1, wherein the base 1 is provided with a first avoidance groove 5 and a second avoidance groove 6, wherein a first rack paper limiter assembly 2 and a second rack paper limiter assembly 3 are slidably installed in the first avoidance groove 5 and the second avoidance groove 6 respectively, and a gear 4 which meshes and transmits with the first rack paper limiter assembly 2 and the second rack paper limiter assembly 3 is rotatably installed on the base 1, a first guide assembly 9 is arranged between the second rack paper limiter assembly 3 and the base 1, and a second guide assembly 10 is arranged between the first rack paper limiter assembly 2 and the base 1; the gear 4 is a damping gear.

[0032] See also Figures 1 to 8 As shown, during the movement of the first rack paper limiting component 2 and the second rack paper limiting component 3, they are guided by the second guide component 10 and the first guide component 9, so that they are more stable and smooth during the movement, and jamming is prevented during the movement. In addition, the transmission is performed between the first rack paper limiting component 2 and the second rack paper limiting component 3 through the gear 4, that is, during the movement, only one of the first rack paper limiting component 2 or the second rack paper limiting component 3 needs to move to drive the other to move, thereby achieving the effect of synchronous movement. In addition, the gear 4 is a damping gear that can position the paper roll in the paper bin (not marked in the figure) after reaching a predetermined position. When the first rack paper limiting component 2 and the second rack paper limiting component 3 need to deviate from each other, a certain force is required to enable them to move, thereby preventing the first rack paper limiting component 2 and the second rack paper limiting component 3 from deviating from each other and disengaging from the positioning clamping of the paper roll.

[0033] The first rack paper limiting assembly 2 includes a first transmission rack 21, a first slider 22 slidably connected to the first avoidance groove 5 is integrally provided at the end of the first transmission rack 21, and a first limiting paperboard 23 extending to the paper bin of the base 1 is detachably fixedly installed on the first slider 22; the second rack paper limiting assembly 3 includes a second transmission rack 31, a second slider 32 slidably connected to the second avoidance groove 6 is integrally provided at the end of the second transmission rack 31, and a second limiting paperboard 33 extending to the paper bin of the base 1 is detachably fixedly installed on the second slider 32; the gear 4 is located between the first transmission rack 21 and the second transmission rack 31, and the gear 4 is meshed with the first transmission rack 21 and the second transmission rack 31 for transmission.

[0034] See also Figure 2 and Figure 3 As shown, when it is necessary to clamp and position paper rolls of different widths, one of the first transmission rack 21 or the second transmission rack 31 can be moved first, and the other can be driven to move synchronously under the transmission of the gear 4. Specifically, when it is necessary to move the two first limiting paperboards 23 and the second limiting paperboards 33 closer to each other, one of the first transmission rack 21 or the second transmission rack 31 can be moved first, or both can be moved synchronously, and the first limiting paperboard 23 and the second limiting paperboard 33 can be driven to move closer to each other under the guidance of the first guide assembly 9 and the second guide assembly 10, so that the paper roll between the first limiting paperboard 23 and the second limiting paperboard 33 is clamped and positioned.

[0035] Specific reference Figure 2 and Figure 3 As shown, the first limiting cardboard 23 and the second limiting cardboard 33 are both in an "L" shape. The first limiting cardboard 23 is detachably mounted on the upper surface of the first slider 22 by screws, and the second limiting cardboard 33 is detachably mounted on the upper surface of the second slider 32 by screws; in order to prevent the first transmission rack 21 and the second transmission rack 31 from being separated from the base 1, the first limiting cardboard 23 is fixedly connected to the first slider 22 by screws passing through the first avoidance groove 5, and the second limiting cardboard 33 is fixedly connected to the second slider 32 by screws passing through the second avoidance groove 6. At this time, the first limiting cardboard 23 and the first slider 22 are located on the inner and outer sides of the base 1 shell at the position of the first avoidance groove 5; and at this time, the second slider 32 and the second limiting cardboard 33 are located on the inner and outer sides of the base 1 shell at the position of the second avoidance groove 6, thereby realizing the limiting of the first transmission rack 21 and the second transmission rack 31.

[0036] The first guide assembly 9 includes a first guide groove 92 opened on the shell of the base 1 and located on one side of the first avoidance groove 5 , and also includes a first guide bar 91 integrally provided on the bottom surface of the second transmission rack 31 and adapted to the first guide groove 92 .

[0037] The second guide assembly 10 includes a second guide bar 102 disposed on the shell of the base 1 at the other side of the first avoidance groove 5 , and a second guide groove 101 adapted to the second guide bar 102 is formed on the bottom surface of the first transmission rack 21 .

[0038] See also Figures 1 to 8 As shown, the second transmission rack 31 is guided by the sliding cooperation between the second slider 32 and the second avoidance groove 6 and the cooperation between the first guide bar 91 and the first guide groove 92, so that the second transmission rack 31 is more stable and smooth during movement to prevent jamming; the first transmission rack 21 is guided by the sliding cooperation between the first slider 22 and the first avoidance groove 5 and the cooperation between the second guide groove 101 and the second guide bar 102 to prevent jamming during movement of the first transmission rack 21.

[0039] A first limit block 7 is also fixedly mounted on the shell of the base 1 . The first limit block 7 is located on the sliding path of the second transmission rack 31 . The second transmission rack 31 is located between the first limit block 7 and the base 1 .

[0040] A second limit block 8 is fixedly mounted on the shell of the base 1 . The second limit block 8 is located on the sliding path of the first transmission rack 21 . The first transmission rack 21 is located between the second limit block 8 and the base 1 .

[0041] The second transmission rack 31 is provided with an abutting surface 11 . When in use, after the second transmission rack 31 slides to a predetermined position, the abutting surface 11 abuts against the first limit block 7 .

[0042] See also Figures 1 to 8 As shown, during the movement of the first transmission rack 21 and the second transmission rack 31, in order to prevent the ends of the first transmission rack 21 and the second transmission rack 31 from drooping and bending under the action of gravity and causing breakage, the height direction of the second transmission rack 31 is limited by the first limit block 7, and the height direction of the first transmission rack 21 is limited by the second limit block 8. Since the ends of the first transmission rack 21 are supported by the second limit block 8 and the ends of the second transmission rack 31 are supported by the first limit block 7, the first transmission rack 21 and the second transmission rack 31 are prevented from bending.

[0043] In order to prevent the gear 4 from colliding with the first slider 22 and the second slider 32, a contact surface 11 is provided on the second transmission rack 31. When the gear 4 moves to a predetermined distance, the contact surface 11 contacts the first limit block 7. Specifically, when the distance between the first limit cardboard 23 and the second limit cardboard 33 is the smallest, the contact surface 11 contacts the first limit block 7, so that the first limit cardboard 23 and the second limit cardboard 33 cannot continue to move closer to each other. At this time, the first slider 22 and the second slider 32 do not contact or collide with the gear 4.

[0044] The working process of the utility model is as follows: first, one of the first transmission rack 21 and the second transmission rack 31 is moved or the first transmission rack 21 and the second transmission rack 31 are moved simultaneously to drive the first limiting paperboard 23 and the second limiting paperboard 33 to be synchronously approached or separated from each other, thereby adjusting the distance between the first limiting paperboard 23 and the second limiting paperboard 33, and then clamping and positioning paper rolls of different width specifications. Under the guidance of the first guide assembly 9 and the second guide assembly 10, the first transmission rack 21 and the second transmission rack 31 can move more smoothly.

[0045] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A paper limiter structure, comprising a base (1), characterized in that: The base (1) is provided with a first avoidance groove (5) and a second avoidance groove (6), and a first rack paper limiting component (2) and a second rack paper limiting component (3) are slidably installed in the first avoidance groove (5) and the second avoidance groove (6), respectively. A gear (4) meshing with the first rack paper limiting component (2) and the second rack paper limiting component (3) is also rotatably installed on the base (1), and a first guide component (9) is arranged between the second rack paper limiting component (3) and the base (1), and a second guide component (10) is arranged between the first rack paper limiting component (2) and the base (1).

2. A paper limiter structure according to claim 1, characterized in that: The first rack paper limiting assembly (2) comprises a first transmission rack (21), the end of the first transmission rack (21) is integrally provided with a first sliding block (22) slidably connected to the first avoidance groove (5), and the first sliding block (22) is detachably fixedly mounted with a first limiting paperboard (23) extending from the paper bin of the base (1); The second rack paper limiting assembly (3) comprises a second transmission rack (31), the end of the second transmission rack (31) is integrally provided with a second slider (32) slidably connected to the second avoidance groove (6), and the second slider (32) is detachably fixedly mounted with a second limiting paperboard (33) extending into the paper bin of the base (1); The gear (4) is located between the first transmission rack (21) and the second transmission rack (31), and the gear (4) is meshed with the first transmission rack (21) and the second transmission rack (31) for transmission.

3. A paper limiter structure according to claim 2, characterized in that: The first guide assembly (9) comprises a first guide groove (92) provided on the shell of the base (1) and located on one side of the first avoidance groove (5), and also comprises a first guide bar (91) integrally provided on the bottom surface of the second transmission rack (31) and adapted to the first guide groove (92).

4. A paper limiter structure according to claim 2, characterized in that: The second guide assembly (10) comprises a second guide bar (102) arranged on the base (1) shell and located on the other side of the first avoidance groove (5), and the bottom surface of the first transmission rack (21) is provided with a second guide groove (101) adapted to the second guide bar (102).

5. A paper limiter structure according to claim 2, characterized in that: A first limit block (7) is also fixedly mounted on the base (1) shell, the first limit block (7) being located on the sliding path of the second transmission rack (31), and the second transmission rack (31) being located between the first limit block (7) and the base (1).

6. A paper limiter structure according to claim 2, characterized in that: A second limit block (8) is fixedly mounted on the base (1) shell, the second limit block (8) is located on the sliding path of the first transmission rack (21), and the first transmission rack (21) is located between the second limit block (8) and the base (1).

7. A paper limiter structure according to claim 5, characterized in that: The second transmission rack (31) is provided with an abutment surface (11), and when in use, after the second transmission rack (31) slides to a predetermined position, the abutment surface (11) abuts against the first limit block (7).

8. A paper limiter structure according to claim 1, characterized in that: The gear (4) is a damping gear.

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