Connecting mechanism of printer roller

Abstract

The utility model discloses a connecting mechanism of a printer roller, which belongs to the technical field of roller connecting devices, and comprises a fixed seat, a connecting rod and a connecting rod, and the two connecting assemblies each comprise an extension frame, a fixed frame and two extension frames, the extension frames are arranged on one side of the fixed seat, the fixed frames are fixedly connected to the outer walls of one sides of the extension frames, matching openings are formed in the outer walls of one sides of the fixed frames, and the two extension frames are both fixedly connected to the outer walls of one sides of the extension frames. According to the connecting mechanism of the printer roller, the through holes and the mounting holes are correspondingly positioned, then the mounting bolts and the mounting nuts are mounted, so that the connecting assembly is mounted and fixed, the roller assembly is limited, the fixing effect is better, falling or dislocation cannot occur in long-time use, meanwhile, mounting and dismounting are simple and rapid, and the connecting mechanism is convenient to use. The structure is simple, and repair and maintenance are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of roller connecting devices, and more particularly to a connecting mechanism for a printer roller. Background Art

[0002] Printer rollers are an important component in the printer. They play a vital role in the paper transmission process of the printer. They are usually located at the paper inlet of the printer and are responsible for guiding the paper from the paper tray or paper box to the inside of the printer. These rollers are usually made of rubber or other materials with a high friction coefficient to ensure that the paper can be transmitted stably.

[0003] Existing printer rollers are usually installed by inserting them into slots, and the snap-fit ​​fixation can easily cause the roller to fall off or shift. At the same time, it also requires strong pulling when disassembling, which can easily damage the mounting base and is not conducive to long-term use. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] In response to the problems existing in the prior art, the purpose of the utility model is to provide a connecting mechanism for a printer roller, which is achieved by correspondingly positioning the through hole and the mounting hole, and then installing the mounting bolts and mounting nuts, so as to install and fix the connecting assembly and restrict the roller assembly, thereby achieving a better fixing effect and preventing it from falling off or dislocating during long-term use. At the same time, the installation and disassembly are simple and quick, and the simple structure is conducive to repair and maintenance, and is easy to use.

[0006] 2. Technical solution

[0007] In order to solve the above problems, the present invention adopts the following technical solutions:

[0008] A connecting mechanism for a printer roller comprises: a fixing seat, wherein both outer walls of the fixing seat are provided with insertion slots; two connecting assemblies, wherein both connecting assemblies comprise: an extension frame, a fixing frame and two extension frames, wherein the extension frame is arranged on one side of the fixing seat, the fixing frame is fixedly connected to one outer wall of the extension frame, a mating opening is provided on one outer wall of the fixing frame, and both extension frames are fixedly connected to one outer wall of the extension frame; and a roller assembly, wherein the roller assembly is arranged on one side of the fixing seat for performing printing operations.

[0009] As a preferred scheme of the utility model, two connecting assemblies further comprise two positioning blocks, two mounting bolts and two mounting nuts, the two positioning blocks are fixedly connected to the outer walls of the corresponding extension frames, the outer walls of the two positioning blocks are provided with through holes, the two mounting bolts are arranged in the corresponding through holes, and the two mounting nuts are movably sleeved on the outer walls of the corresponding mounting bolts.

[0010] As a preferred scheme of the utility model, the roller assembly comprises a fixing shaft, a contact sleeve and a gear, the fixing shaft is arranged between the inner walls of the two insertion grooves, the contact sleeve is sleeved on the outer wall of the fixing shaft, and the gear is sleeved on the outer wall of the fixing shaft.

[0011] As a preferred scheme of the utility model, the outer walls of the two extension frames are provided with taking-out holes.

[0012] As a preferred scheme of the utility model, the outer walls of the two extension frames are provided with taking-out holes.

[0013] As a preferred scheme of the utility model, the outer walls of the two extension frames are provided with taking-out holes.

[0014] As a preferred scheme of the utility model, the outer walls of the two extension frames are provided with taking-out holes.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model provides a connecting mechanism of printer roller, which has the following beneficial effects:

[0017] The connecting mechanism of printer roller is positioned through the through hole and the mounting hole, then the mounting bolt and the mounting nut are installed, so that the connecting assembly is installed and fixed, the roller assembly is limited, the fixing effect is better, and the connecting mechanism will not fall off or dislocate in long-time use, is simple and rapid to install and disassemble, simple in structure and beneficial to maintenance and use. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the perspective view of the utility model;

[0019] Figure 2 It is the perspective view of the utility model;

[0020] Figure 3 It is the perspective view of the utility model;

[0021] Figure 4 It is the perspective view of the utility model;

[0022] Figure 5 It is a perspective view of the roller assembly of the utility model.

[0023] Explanation of reference numerals in the drawing:

[0024] 1, fixed seat; 2, insertion slot; 3, fixed shaft; 4, contact sleeve; 5, gear; 6, fixed frame; 7, extension frame; 8, outlet; 9, extension frame; 10, positioning block; 11, mounting bolt; 12, mounting nut. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Embodiment:

[0027] Please refer to Figures 1-5 A connecting mechanism of a printer roller, comprising: a fixed seat 1, both sides of the fixed seat 1 are provided with insertion slots 2; two connecting assemblies, each of the two connecting assemblies comprises: an extension frame 7, a fixed frame 6 and two extension frames 9, the extension frame 7 is arranged on one side of the fixed seat 1, the fixed frame 6 is fixedly connected to one side of the extension frame 7, one side of the fixed frame 6 is provided with a matching opening, and the two extension frames 9 are fixedly connected to one side of the extension frame 7; and a roller assembly, the roller assembly is arranged on one side of the fixed seat 1 and is used for printing operation.

[0028] In the specific embodiments of the utility model, the device is fixed on the existing printer through the fixed seat 1, the insertion slots 2 are used to arrange the roller assembly, when installing, the fixed shaft 3 is arranged between the inner walls of the two insertion slots 2, and it is ensured that the fixed shaft 3 can rotate, the gear 5 is installed on one side of the fixed shaft 3, the transmission is completed through the gear 5 to drive the fixed shaft 3 and the contact sleeve 4 to rotate, after installing the roller assembly, the extension frame 7, the fixed frame 6 and the extension frame 9 are installed and placed according to the insertion slots 2, and the through holes and mounting holes on the positioning block 10 are corresponded, then the mounting bolt 11 and the mounting nut 12 are installed, so that the connecting assembly is installed and fixed, and the roller assembly is limited, the fixing effect is better, and the device will not fall off or dislocate in long-term use, and the installation and disassembly are simple and fast, the structure is simple and beneficial to maintenance and use.

[0029] Specifically, the two connecting assemblies each further include two positioning blocks 10, two mounting bolts 11 and two mounting nuts 12, the two positioning blocks 10 are fixedly connected to one side outer wall of the corresponding extension frame 9, one side outer wall of the two positioning blocks 10 is provided with a through hole, the two mounting bolts 11 are arranged in the corresponding through holes respectively, and the two mounting nuts 12 are movably sleeved on the outer wall of the corresponding mounting bolt 11 in a threaded mode.

[0030] In the embodiment, the mounting bolt 11 is arranged on the positioning block 10, and the mounting bolt 11 and the mounting nut 12 are matched to fix the positioning block 10.

[0031] Specifically, the roller shaft assembly includes a fixed shaft 3, a contact sleeve 4 and a gear 5, the fixed shaft 3 is arranged between the inner walls of the two insertion grooves 2, the contact sleeve 4 is sleeved on the outer wall of the fixed shaft 3, and the gear 5 is sleeved on the outer wall of the fixed shaft 3.

[0032] In the embodiment, the fixed shaft 3 and the contact sleeve 4 play the effect of the roller shaft, and the gear 5 enables the roller shaft to rotate.

[0033] Specifically, one side outer wall of the two extension frames 7 is provided with a taking-out hole 8.

[0034] In the embodiment, the taking-out hole 8 is beneficial to the installation and disassembly of the extension frame 7 by the user, and the self-weight of the extension frame 7 is reduced.

[0035] Specifically, the two side outer walls of the fixed seat 1 are provided with two mounting holes.

[0036] In the embodiment, the mounting bolt 11 is arranged in the mounting hole, and the positioning effect is improved.

[0037] Specifically, one side outer wall of the fixed seat 1 is provided with a recessed groove.

[0038] In the embodiment, the recessed groove is matched with the contact sleeve 4 to avoid contact.

[0039] Specifically, the four mounting holes are matched with the corresponding mounting bolts 11 respectively.

[0040] In the embodiment, the mounting bolt 11 is inserted into the mounting hole to complete the installation and fixation.

[0041] Working principle: through the fixed seat 1 is fixed on the existing printer, the insertion slot 2 is used to set the roller assembly, when installing, the fixed shaft 3 is arranged between the inner wall of the two insertion slots 2, and the rotation of the fixed shaft 3 is ensured, the gear 5 is installed on one side of the fixed shaft 3, the transmission is completed through the gear 5 to drive the fixed shaft 3 and the contact sleeve 4 to rotate, after installing the roller assembly, install two connecting assemblies, first, install and place the extension frame 7, the fixed frame 6 and the extension frame 9 according to the insertion slot 2, and make the through hole and the mounting hole on the positioning block 10 correspond, then install the mounting bolt 11 and the mounting nut 12, thereby installing and fixing the connecting assembly, limiting the roller assembly, the fixed effect is better, and the connecting assembly will not fall off or dislocate in long-term use, and the installation and disassembly are simple and rapid, the structure is simple, and the maintenance and use are facilitated.

[0042] The control mode of the utility model is controlled by manually starting and closing the switch, and the wiring diagram of the power element and the provision of the power supply are common knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the control mode and the wiring arrangement of the utility model will not be explained in detail.

[0043] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the improved conception of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.

Claims

1. A connecting mechanism for a printer roller, characterized by, The utility model relates to a printing device for printing paper, which comprises the following components: A fixed seat (1), both sides of which are provided with insertion grooves (2); Two connecting assemblies, each of which comprises an extension frame (7), a fixed frame (6) and two extension frames (9), the extension frame (7) is arranged on one side of the fixed seat (1), the fixed frame (6) is fixedly connected to the outer wall of one side of the extension frame (7), the outer wall of one side of the fixed frame (6) is provided with a matching port, and the two extension frames (9) are fixedly connected to the outer wall of one side of the extension frame (7); and A roller assembly arranged on one side of the fixed seat (1) for printing operation.

2. A connection mechanism for a printer roller as claimed in claim 1, wherein: Each of the two connecting assemblies further comprises two positioning blocks (10), two mounting bolts (11) and two mounting nuts (12), the two positioning blocks (10) are fixedly connected to the outer wall of one side of the corresponding extension frame (9), the outer wall of one side of the two positioning blocks (10) is provided with a through hole, the two mounting bolts (11) are arranged in the corresponding through holes, and the two mounting nuts (12) are threadedly movably sleeved on the outer wall of the corresponding mounting bolts (11).

3. A connection mechanism for a printer roller as claimed in claim 2, wherein: The roller assembly comprises a fixed shaft (3), a contact sleeve (4) and a gear (5), the fixed shaft (3) is arranged between the inner walls of the two insertion grooves (2), the contact sleeve (4) is sleeved on the outer wall of the fixed shaft (3), and the gear (5) is sleeved on the outer wall of the fixed shaft (3).

4. A connection mechanism for a printer roller as claimed in claim 3, wherein: The outer wall of one side of the two extension frames (7) is provided with a take-out port (8).

5. A connection mechanism for a printer roller as claimed in claim 4, wherein: Both sides of the fixed seat (1) are provided with two mounting holes.

6. A connection mechanism for a printer roller as claimed in claim 5, wherein: The outer wall of one side of the fixed seat (1) is provided with a recessed groove.

7. A connection mechanism for a printer roller as claimed in claim 6, wherein: The four mounting holes are matched with the corresponding mounting bolts (11) respectively.

Images