Feeding device of printer

Abstract

The utility model relates to the technical field of printers, and discloses a feeding device of a printer, which comprises a printer main body and a rotating groove, a first feeding roller and a second feeding roller are arranged in the printer main body, and the second feeding roller of the rotating groove is correspondingly arranged at the bottom of the first feeding roller of the rotating groove. Sliding assemblies are arranged in the first rotating groove feeding roller and the second rotating groove feeding roller, a first clamping column is connected to the end of a second clamping column in a threaded mode through the sliding assemblies, a first abutting block at the end of a threaded block extrudes a second abutting block and extrudes a reset spring at the same time, a protruding block and a limiting groove are clamped, and the rotating groove feeding roller and the second rotating groove feeding roller are clamped. Through the extrusion effect, the fastening force of threaded connection is enhanced, the possibility of loosening in the vibration or use process is reduced, the stability and safety of the assembly are ensured, and the problems that the threaded connection possibly has the risk of loosening in the long-term use process, regular inspection and maintenance are needed, and the stability and efficiency of the feeding roller are ensured are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of printers, and particularly relates to a feeding device of a printer. Background Technique

[0002] A printer is a device used to convert electronic documents or images into visible hard-copy outputs. It receives data instructions sent from a computer or other electronic devices, and uses ink, toner, or other materials to generate text, images, or charts on paper or other media. The working principle of a printer basically consists of several steps: receiving data, processing data, converting data into images, controlling the output position and quality, as well as feeding paper and typesetting. According to different technologies and uses, printers can be divided into various types. Common printer types include inkjet printers, laser printers, dot matrix printers, and thermal printers, etc. Each type of printer has its unique advantages, disadvantages, and applicable scenarios. For example, inkjet printers are suitable for printing color images and photos, while laser printers are more suitable for high-speed and high-quality text printing. With the development of technology, printers have made significant improvements in terms of speed, resolution, consumable usage efficiency, and connection methods. Modern printers can not only be connected by wire, but also transmit and control data through a wireless network, providing greater flexibility and convenience.

[0003] Currently, when the feeding roller is installed, it is generally connected by threads. Threaded connections may have the risk of loosening during long-term use and need to be regularly inspected and maintained to ensure the stability and efficiency of the feeding roller. Therefore, it does not meet the existing requirements, and for this reason, we propose a feeding device of a printer. Content of the Utility Model

[0004] The utility model provides a feeding device of a printer, which has the beneficial effects of reducing the possibility of loosening during vibration or use and ensuring the stability and safety of components, and solves the problem mentioned in the above background technique that when the feeding roller is installed, it is generally connected by threads, and threaded connections may have the risk of loosening during long-term use and need to be regularly inspected and maintained to ensure the stability and efficiency of the feeding roller.

[0005] The utility model provides the following technical scheme: a feeding device of a printer, including a printer main body, wherein a first feeding roller and a second feeding roller are arranged inside the printer main body, the second feeding roller is correspondingly arranged at the bottom of the first feeding roller, and a sliding component is arranged inside the first feeding roller and the second feeding roller.

[0006] As an optional scheme of the feeding device of a printer described in the utility model, wherein: the first feeding roller includes a first engaging column and a second engaging column, and the first engaging column is detachably installed at the end of the second engaging column.

[0007] As an alternative solution for the feeding device of a printer according to the present utility model, wherein: a threaded block is connected to the end of the first engaging post, a threaded groove is formed at the end of the second engaging post, and the threaded block is in threaded cooperation with the threaded groove.

[0008] As an alternative solution for the feeding device of a printer according to the present utility model, wherein: a first abutting block is connected to the end of the threaded block, a sliding groove is formed inside the threaded groove, and the sliding assembly is arranged inside the sliding groove.

[0009] As an alternative solution for the feeding device of a printer according to the present utility model, wherein: the sliding assembly includes a second abutting block and a convex block, a notch is communicated with the sliding groove, the convex block is arranged inside the notch, and the second abutting block is connected to the side of the convex block.

[0010] As an alternative solution for the feeding device of a printer according to the present utility model, wherein: a limiting groove is formed on the side of the first engaging post, the convex block is slidably engaged with the limiting groove, and a return spring is sleeved on the end of the second abutting block.

[0011] As an alternative solution for the feeding device of a printer according to the present utility model, wherein: a plurality of mounting plates are connected inside the printer main body, rotating grooves are formed on the sides of the plurality of mounting plates, the rotating grooves are arranged as threaded sections, and a piston groove is communicated inside the rotating grooves.

[0012] As an alternative solution for the feeding device of a printer according to the present utility model, wherein: rotating blocks are connected to the threaded ends of the first feeding roller and the second feeding roller, a piston disc is connected to the end of the rotating block, the rotating block is in threaded cooperation with the rotating groove, and the piston disc is slidably engaged with the piston groove.

[0013] The present utility model has the following beneficial effects:

[0014] 1. For the feeding device of this printer, through the setting of the sliding assembly, the first engaging post is threadedly connected to the end of the second engaging post. The first abutting block at the end of the threaded block presses the second abutting block, and at the same time presses the return spring, so that the convex block is engaged with the limiting groove. Through the extrusion effect, the fastening force of the threaded connection is enhanced, reducing the possibility of loosening during vibration or use, ensuring the stability and safety of the components, and solving the problem that when the feeding roller is installed, it is generally threadedly connected, and there may be a risk of loosening during long-term use, and regular inspection and maintenance are required to ensure the stability and efficiency of the feeding roller.

[0015] 2. The feeding device of the printer, through the setting of the rotating block and the piston disk, the rotating block cooperates with the piston disk. While the rotating block is threadedly connected to the rotating groove, the piston disk is slidably engaged with the piston groove. The slidable engagement design of the piston disk and the piston groove enables precise positioning and stable operation during the assembly process, avoiding unnecessary noise and ensuring the smooth operation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model.

[0017] Figure 2 It is a sectional structural schematic diagram of the first feeding roller of the present utility model.

[0018] Figure 3 For the present utility model Figure 2 The enlarged structural schematic diagram at position A.

[0019] Figure 4 It is a structural schematic diagram of the piston disk of the present utility model.

[0020] In the figure: 110, printer main body; 120, first feeding roller; 121, first engaging column; 122, second engaging column; 123, threaded block; 124, threaded groove; 125, first abutting block; 130, second feeding roller; 140, sliding assembly; 141, second abutting block; 142, convex block; 160, sliding groove; 161, notch; 163, limiting groove; 164, return spring; 165, mounting disk; 170, rotating groove; 171, piston groove; 172, rotating block; 173, piston disk. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0022] In Embodiment 1, the purpose of this embodiment is to facilitate the solution of the problem that when the feeding roller is installed, it is generally threadedly connected, and there may be a risk of loosening during long-term use, and it needs to be regularly inspected and maintained to ensure the stability and efficiency of the feeding roller. Please refer to Figures 1-4 , a feeding device of a printer, including a printer main body 110. A first feeding roller 120 and a second feeding roller 130 are arranged inside the printer main body 110. The second feeding roller 130 is correspondingly arranged at the bottom of the first feeding roller 120. A sliding assembly 140 is arranged inside the first feeding roller 120 and the second feeding roller 130.

[0023] The first feeding roller 120 includes a first engaging column 121 and a second engaging column 122. The first engaging column 121 is detachably installed at the end of the second engaging column 122. A threaded block 123 is connected to the end of the first engaging column 121, a threaded groove 124 is formed at the end of the second engaging column 122, and the threaded block 123 is in threaded cooperation with the threaded groove 124.

[0024] A first abutting block 125 is connected to the end of the threaded block 123. A sliding groove 160 is formed inside the threaded groove 124. A sliding assembly 140 is disposed inside the sliding groove 160. The sliding assembly 140 includes a second abutting block 141 and a convex block 142. A notch 161 is communicated with the sliding groove 160. The convex block 142 is disposed inside the notch 161. The second abutting block 141 is connected to the side of the convex block 142. A limiting groove 163 is formed on the side of the first engaging column 121. The convex block 142 is slidably engaged with the limiting groove 163. A return spring 164 is sleeved on the end of the second abutting block 141.

[0025] In this embodiment: Through the setting of the sliding assembly 140, the first engaging column 121 is threadedly connected to the end of the second engaging column 122. The first abutting block 125 at the end of the threaded block 123 presses the second abutting block 141 and simultaneously presses the return spring 164, so that the convex block 142 is engaged with the limiting groove 163. Through the pressing action, the tightening force of the threaded connection is enhanced, reducing the possibility of loosening during vibration or use, ensuring the stability and safety of the assembly, and solving the problem that when the feeding roller is installed, it is generally threadedly connected, and the threaded connection may have the risk of loosening during long-term use, and regular inspection and maintenance are required to ensure the stability and efficiency of the feeding roller.

[0026] Embodiment 2. The purpose of this embodiment is to facilitate the solution of the problem of unstable engagement. This embodiment is an improvement made on the basis of Embodiment 1. Specifically, please refer to Figures 1-4 , a plurality of mounting disks 165 are connected inside the printer main body 110. Rotating grooves 170 are formed on the sides of the plurality of mounting disks 165. The rotating grooves 170 are set as threaded sections. A piston groove 171 is communicated with the inside of the rotating grooves 170. Rotating blocks 172 are connected to the threaded ends of the first feeding roller 120 and the second feeding roller 130. A piston disk 173 is connected to the end of the rotating block 172. The rotating block 172 is in threaded cooperation with the rotating groove 170. The piston disk 173 is slidably engaged with the piston groove 171.

[0027] In this embodiment: Through the settings of the rotating block 172 and the piston disc 173, the rotating block 172 cooperates with the piston disc 173. While the rotating block 172 is threadedly connected to the rotating groove 170, the piston disc 173 is slidably engaged with the piston groove 171. The design of the slidable engagement between the piston disc 173 and the piston groove 171 enables precise positioning and stable operation during the assembly process, avoids unnecessary noise, and ensures the smooth operation of the device.

[0028] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0029] The above are only the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A feeding device for a printer, comprising a printer body (110), characterized in that: A first feeding roller (120) and a second feeding roller (130) are arranged inside the printer body; the second feeding roller (130) is arranged correspondingly at the bottom of the first feeding roller (120); and sliding components (140) are arranged inside the first feeding roller (120) and the second feeding roller (130).

2. A feeding device for a printer according to claim 1, characterized in that: The first feeding roller (120) comprises a first clamping column (121) and a second clamping column (122); the first clamping column (121) is detachably mounted on the end of the second clamping column (122).

3. A feeding device for a printer according to claim 2, characterized in that: The end of the first engaging column (121) is connected to a threaded block (123), the end of the second engaging column (122) is provided with a threaded groove (124), and the threaded block (123) is threadably matched with the threaded groove (124).

4. A feeding device for a printer according to claim 3, characterized in that: The end of the threaded block (123) is connected to a first abutting block (125), a sliding groove (160) is provided inside the threaded groove (124), and the sliding assembly (140) is arranged inside the sliding groove (160).

5. A feeding device for a printer according to claim 4, characterized in that: The sliding assembly (140) comprises a second resisting block (141) and a protrusion (142); the sliding groove (160) is connected to a notch (161); the protrusion (142) is arranged inside the notch (161); and the second resisting block (141) is connected to a side of the protrusion (142).

6. A feeding device for a printer according to claim 5, characterized in that: A limiting groove (163) is provided on the side of the first engaging column (121), and the protrusion (142) is slidably engaged with the limiting groove (163). A return spring (164) is sleeved on the end of the second abutting block (141).

7. A feeding device for a printer according to claim 1, characterized in that: A plurality of mounting plates (165) are connected to the inside of the printer body (110), and a plurality of the mounting plates (165) are provided with rotation grooves (170) on their sides. The rotation grooves (170) are arranged as threaded sections, and a piston groove (171) is arranged inside the rotation grooves (170).

8. A feeding device for a printer according to claim 7, characterized in that: The threaded ends of the first feeding roller (120) and the second feeding roller (130) are connected to a rotating block (172), the ends of the rotating block (172) are connected to a piston disc (173), the rotating block (172) is threadably matched with the rotating groove (170), and the piston disc (173) is slidably engaged with the piston groove (171).

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