Paper conveying device with paper rolling prevention function

Abstract

The utility model provides a paper conveying device with a paper rolling prevention function, which comprises a middle shaft, first side shafts are detachably and fixedly mounted at two ends of the middle shaft respectively, second side shafts are detachably and fixedly mounted at the outer ends of the first side shafts respectively, and third side shafts are detachably and fixedly mounted at the outer ends of the second side shafts respectively; no matter whether the guide wheel in the middle or the guide wheels on the two sides are damaged, the damaged guide wheel can be independently replaced under the condition that other guide wheels are not disassembled, and therefore the whole guide wheel replacing process is more convenient and flexible.

Description

Technical Field

[0001] The utility model relates to the field of paper conveying, and in particular to a paper conveying device with an anti-rolling paper function. Background Art

[0002] A paper conveyor with an anti-roll function is a device designed specifically for handling paper. It can effectively prevent the paper from curling or folding during the conveying process. This device is usually used in office equipment such as printers, copiers, scanners, etc. to improve the efficiency and accuracy of paper handling.

[0003] However, the paper conveying structure of the existing printer has several guide wheels evenly installed on a supporting shaft. Therefore, when the middle guide wheel is damaged, it is not convenient to replace the middle guide wheel. The other guide wheels on the side of the damaged guide wheel need to be removed before the damaged guide wheel can be replaced, which is very troublesome.

[0004] Therefore, it is very necessary to invent a paper conveying device with an anti-rolling function. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a paper conveying device with an anti-rolling function, which adopts a technical solution: a paper conveying device with an anti-rolling function, comprising an intermediate shaft, wherein: both ends of the intermediate shaft are detachably fixedly mounted with a side shaft 1, and the outer end of the side shaft 1 is detachably fixedly mounted with a side shaft 2, and the outer end of the side shaft 2 is detachably fixedly mounted with a side shaft 3;

[0006] Preferably, an intermediate guide wheel is installed on the intermediate shaft by plugging and unplugging;

[0007] Preferably, a guide wheel 1 is installed on the side shaft 1 by plugging and unplugging, and the diameter of the guide wheel 1 is smaller than the diameter of the middle guide wheel, and the length of the guide wheel 1 is smaller than the length of the middle guide wheel;

[0008] Preferably, the second guide wheel and two I-shaped spring wheels are rotatably mounted on the second side shaft, and the two I-shaped spring wheels are located on both sides of the second guide wheel, and a retaining spring groove is provided on both sides of the circumference of the second side shaft; a retaining spring is clamped in each retaining spring groove of the second side shaft, and the retaining spring is located on the outside of the I-shaped spring wheel; the diameter of the second guide wheel is larger than the diameter of the middle guide wheel;

[0009] Preferably, a guide wheel three is installed on the side shaft three by plugging and unplugging, and the diameter of the guide wheel three matches the diameter of the guide wheel one.

[0010] Preferably, both ends of the intermediate shaft are respectively provided with an internal threaded hole, and the intermediate shaft is fixedly connected to one end of the side shaft through the internal threaded hole.

[0011] Preferably, both ends of the side shaft one are respectively provided with an integrated external threaded pipe head, and the side shaft one is fixedly connected to the internal threaded hole at one end of the intermediate shaft through the external threaded pipe head at one end.

[0012] Preferably, two internal threaded holes are respectively provided at both ends of the side axis two, and the side axis two is fixedly connected to the external threaded pipe head at the other end of the corresponding side axis one through the two internal threaded holes at one end, and the side axis two is fixedly connected to one end of the side axis three through the two internal threaded holes at the other end.

[0013] Preferably, one end of the side shaft three is provided with an integrated externally threaded pipe head two, and the side shaft three is fixedly connected to the internally threaded hole two corresponding to one end of the side shaft two through the externally threaded pipe head two at one end.

[0014] Compared with the prior art, the advantages of the utility model are:

[0015] The overall arrangement of the utility model can replace the damaged guide wheel independently without disassembling other guide wheels, no matter the middle guide wheel or the guide wheels on both sides are damaged, thereby making the overall process of replacing the guide wheels more convenient and flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the explosion structure of the middle shaft, the side shaft one, the side shaft two and the side shaft three of the utility model.

[0017] Figure 2 The utility model is a schematic diagram of the explosion structure of the intermediate shaft, the side shaft one, the side shaft two and the side shaft three and the intermediate guide wheel, the guide wheel one, the guide wheel two, the I-shaped spring wheel and the guide wheel three.

[0018] Figure 3 It is a schematic diagram of the overall structure of the utility model.

[0019] In the figure:

[0020] Intermediate shaft 1, side shaft one 2, side shaft two 3, side shaft three 4, intermediate guide wheel 5, guide wheel one 6, guide wheel two 7, I-shaped spring wheel 8, retaining ring 9, guide wheel three 10, internal threaded hole 11, external threaded pipe head 12, internal threaded hole two 13, external threaded pipe head two 14. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0022] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0023] The utility model is further described below in conjunction with the accompanying drawings: Embodiment 1

[0024] Reference Figure 1-3 A paper conveying device with a paper rolling prevention function comprises an intermediate shaft 1, wherein: both ends of the intermediate shaft 1 are detachably fixedly mounted with a side shaft 1 2, and the outer end of the side shaft 1 2 is detachably fixedly mounted with a side shaft 2 3, and the outer end of the side shaft 2 3 is detachably fixedly mounted with a side shaft 3 4; through the arrangement between the intermediate shaft 1, the side shaft 1 2, the side shaft 2 3 and the side shaft 3 4, they can be separately disassembled and assembled, and at the same time, the stability of the intermediate guide wheel 5, the guide wheel 1 6, the guide wheel 2 7, the I-shaped spring wheel 8 and the guide wheel 3 10 can be ensured;

[0025] An intermediate guide wheel 5 is installed on the intermediate shaft 1 by plugging and unplugging; a guide wheel 6 is installed on the side shaft 2 by plugging and unplugging, and the diameter of the guide wheel 6 is smaller than the diameter of the intermediate guide wheel 5, and the length of the guide wheel 6 is smaller than the length of the intermediate guide wheel 5; a guide wheel 2 7 and two I-shaped spring wheels 8 are rotatably installed on the side shaft 2 3, and the two I-shaped spring wheels 8 are located on both sides of the guide wheel 2 7, and a retaining spring groove is respectively provided on both sides of the circumference of the side shaft 2 3; a retaining spring 9 is respectively clamped in the retaining spring groove of the side shaft 2 3, and the retaining spring 9 is located on the outside of the I-shaped spring wheel 8.

[0026] An internal threaded hole 11 is respectively provided at both ends of the intermediate shaft 1, and the intermediate shaft 1 is fixedly connected to one end of the side shaft 2 through the internal threaded hole 11. The setting between the internal threaded hole 11 and the external threaded pipe head 12 facilitates the separate disassembly and assembly between the side shaft 2 and the intermediate shaft 1.

[0027] An integrated externally threaded pipe head 12 is provided at each end of the side shaft 2, and the side shaft 2 is fixedly connected to the internally threaded hole 11 at one end of the intermediate shaft 1 through the externally threaded pipe head 12 at one end. The setting of the externally threaded pipe head 12 and the internally threaded hole 13 facilitates separate disassembly and assembly between the side shaft 2 and the side shaft 3.

[0028] An internal threaded hole 2 13 is respectively provided at both ends of the side shaft 2 3, and the side shaft 2 3 is fixedly connected to the external threaded pipe head 12 at the other end of the corresponding side shaft 2 through the internal threaded hole 2 13 at one end, and the side shaft 2 3 is fixedly connected to one end of the side shaft 3 4 through the internal threaded hole 2 13 at the other end; an integrated external threaded pipe head 2 14 is provided at one end of the side shaft 3 4, and the side shaft 3 4 is fixedly connected to the internal threaded hole 2 13 corresponding to one end of the side shaft 2 3 through the external threaded pipe head 2 14 at one end; the setting between the internal threaded hole 2 13 and the external threaded pipe head 2 14 facilitates the separate disassembly and assembly between the side shaft 2 3 and the side shaft 3 4.

[0029] In this embodiment, when the intermediate guide wheel 5 is damaged during use and needs to be replaced, the intermediate shaft 1 only needs to be rotated counterclockwise to separate the intermediate shaft 1 from one of the side shafts 2, and then the intermediate guide wheel 5 can be removed from the end where the intermediate shaft 1 and the side shaft 2 are separated, and then a new intermediate guide wheel 5 can be replaced, and then the intermediate shaft 1 can be connected to the separated side shaft 2.

[0030] When the guide wheel 1 6, the guide wheel 2 7 or the I-shaped spring wheel 8 is damaged and needs to be replaced, it can be disassembled and replaced in the same way as above;

[0031] When the guide wheel 3 10 is damaged and needs to be replaced, there is no need to disassemble the side shaft 3 4 separately. The guide wheel 3 10 can be directly disassembled from the outer end of the side shaft 3 4 and replaced.

[0032] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A paper conveying device with an anti-rolling function, characterized in that: It comprises an intermediate shaft (1), wherein: both ends of the intermediate shaft (1) are detachably fixedly mounted with a side shaft (2), and the outer end of the side shaft (2) is detachably fixedly mounted with a side shaft (3), and the outer end of the side shaft (3) is detachably fixedly mounted with a side shaft (4); An intermediate guide wheel (5) is installed on the intermediate shaft (1) in a pluggable manner; A guide wheel (6) is installed on the side shaft (2) in a pluggable manner; A guide wheel (7) and two I-shaped spring wheels (8) are rotatably mounted on the side shaft (3), and the two I-shaped spring wheels (8) are located on both sides of the guide wheel (7). A retaining spring groove is provided on both sides of the circumference of the side shaft (3); a retaining spring (9) is respectively secured in the retaining spring groove of the side shaft (3), and the retaining spring (9) is located on the outside of the I-shaped spring wheel (8); A guide wheel three (10) is installed on the side shaft three (4) by plugging and unplugging.

2. A paper conveying device with anti-rolling function as claimed in claim 1, characterized in that: An internal threaded hole (11) is respectively formed at both ends of the intermediate shaft (1), and the intermediate shaft (1) is fixedly connected to one end of the side shaft (2) via the internal threaded hole (11).

3. A paper conveying device with anti-rolling function as claimed in claim 2, characterized in that: Both ends of the side shaft one (2) are respectively provided with an integrated external threaded pipe head (12), and the side shaft one (2) is fixedly connected to the internal threaded hole (11) at one end of the intermediate shaft (1) through the external threaded pipe head (12) at one end.

4. A paper conveying device with anti-rolling function as claimed in claim 3, characterized in that: Two internal threaded holes (13) are respectively formed at both ends of the side shaft (3), and the side shaft (3) is fixedly connected to the external threaded pipe head (12) at the other end of the corresponding side shaft (2) through the two internal threaded holes (13) at one end, and the side shaft (3) is fixedly connected to one end of the side shaft (4) through the two internal threaded holes (13) at the other end.

5. A paper conveying device with anti-rolling function as claimed in claim 4, characterized in that: One end of the side shaft three (4) is provided with an integrated external threaded pipe head two (14), and the side shaft three (4) is fixedly connected to the internal threaded hole two (13) corresponding to one end of the side shaft two (3) through the external threaded pipe head two (14) at one end.

Images