Steering paper picking roller for laser printer

Abstract

The utility model provides a turning paper pick-up roller for a laser printer, which comprises a roller body and a roller sleeve, the roller body is used for being rotatably connected to a printer body of the printer, and the roller sleeve is used for guiding paper to move in the printer; the roller sleeve is made of wear-resistant AU rubber; the roller body comprises a first extension part and a second extension part which are in smooth transition, and at least one of the first extension part and the second extension part is rotationally connected with a machine body of the printer; a first clamping part is arranged on one of the first extension part and the second extension part, and a second clamping part is arranged on the other one of the first extension part and the second extension part; a limiting part is formed between the first clamping part and the second clamping part, and the roller sleeve is arranged on the limiting part in a sleeving mode. Therefore, according to the turning paper picking roller, the roller sleeve and the roller body are tightly connected and are not prone to sliding relatively, the roller sleeve is made of the abrasion-resistant AU rubber, friction force between the roller sleeve and paper can be increased, slipping of fed paper is prevented, continuous paper feeding is facilitated, good printing color quality is guaranteed, and the use experience of a user is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to printer equipment technical field, concretely relates to a kind of steering pick-up roller for laser printer. BACKGROUND

[0002] Printer is important equipment in work and life, and it can convert electronic file into paper file. Steering pick-up roller is a key component in printer, which is used to guide paper from paper feed channel to printing position, to ensure that printer can accurately print document or image.

[0003] However, in the prior art, the printer will have problems such as paper feeding slip, paper pause and poor printing color quality after a long time of printing. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the above-mentioned shortcomings of the prior art, the utility model aims to provide a steering pick-up roller for laser printer, which can increase the friction between the steering pick-up roller and the paper to prevent paper feeding slip.

[0005] The utility model solves the technical problems by adopting the following technical solutions:

[0006] The utility model provides a steering pick-up roller for laser printer, which comprises:

[0007] Roller body, which is used to rotate and connect to the body of the printer;

[0008] Roller sleeve, which is used to guide the movement of paper in the printer;

[0009] The material of the roller sleeve is configured as wear-resistant AU rubber;

[0010] The roller body comprises a first extension part and a second extension part with smooth transition, and at least one of the first extension part and the second extension part is rotationally connected to the body of the printer;

[0011] One of the first extension part and the second extension part is provided with a first clamping part, and the other is provided with a second clamping part;

[0012] A limiting part is formed between the first clamping part and the second clamping part, and the roller sleeve is sleeved on the limiting part.

[0013] As a preferred embodiment, the first extension part is provided with a protruding part on the side away from the second extension part, which is used to limit in the body of the printer.

[0014] As a preferred embodiment, an axle hole is formed on the roller body, which penetrates the first extension part and the second extension part, and is used to pass through a power shaft.

[0015] As a preferred implementation, the roller sleeve made of wear-resistant AU rubber material is configured to be roll-formed.

[0016] As a preferred implementation, the roller body is configured to be made of POM material.

[0017] As a preferred implementation, the roller sleeve is subjected to a two-stage vulcanization process.

[0018] As a preferred implementation, the inner diameter of at least one of the first extension and the second extension is provided with a reinforcing rib.

[0019] Compared with the prior art, the present application has the following advantages:

[0020] The present application provides a turning paper pickup roller for a laser printer, comprising a roller body and a roller sleeve, wherein the roller body is used to be rotatably connected to the body of the printer, and the roller sleeve is used to guide the movement of paper in the printer; the material of the roller sleeve is configured to be wear-resistant AU rubber; the roller body comprises a first extension and a second extension which are smoothly connected, at least one of the first extension and the second extension is rotatably connected to the body of the printer; one of the first extension and the second extension is provided with a first clamping portion, and the other is provided with a second clamping portion; a limiting portion is formed between the first clamping portion and the second clamping portion, and the roller sleeve is sleeved on the limiting portion. It can be seen that the turning paper pickup roller of the present application has the following advantages: the connection between the roller sleeve and the roller body is tight, and the relative sliding between the two is not easy to occur; the roller sleeve is made of wear-resistant AU rubber, which can increase the friction between the roller sleeve and the paper, prevent paper slipping, facilitate continuous paper feeding, and further ensure the printing color quality to be excellent and improve the user's experience. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0022] Figure 1 is a cross-sectional structure view of the turning paper pickup roller in the embodiments of the present application;

[0023] Figure 2 is Figure 1 a left view.

[0024] Among them:

[0025] 1-roller body; 11-first extension; 12-second extension; 13-first clamping portion; 14-second clamping portion; 15-limiting portion; 16-protruding portion; 17-stiffener; 18-axle hole; 2-roller cover. DETAILED DESCRIPTION

[0026] In order to more clearly understand the above objectives, features and advantages of the present application, the present application will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments and features in the embodiments can be combined with each other without conflict. In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present application. The described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the specification of the present application is only for the purpose of describing specific embodiments and is not intended to limit the present application.

[0028] Please refer to Figure 1 and Figure 2 The present application provides a turning paper roller for a laser printer, comprising a roller body 1 and a roller cover 2, wherein the roller body 1 is used to be rotatably connected to the body of the printer, and the roller cover 2 is used to guide the movement of paper in the printer; the material of the roller cover 2 is configured as wear-resistant AU rubber; the roller body 1 comprises a first extension 11 and a second extension 12 which are smoothly connected, at least one of the first extension 11 and the second extension 12 is rotatably connected to the body of the printer; a first clamping portion 13 is arranged on one of the first extension 11 and the second extension 12, and a second clamping portion 14 is arranged on the other one; a limiting portion 15 is formed between the first clamping portion 13 and the second clamping portion 14, and the roller cover 2 is sleeved on the limiting portion 15.

[0029] Specifically, in the present embodiment, the part located on the left side in Figure 1 is defined as the first extension 11, and the part on the right side is defined as the second extension 12; the first clamping portion 13 is arranged on the first extension 11, and the second clamping portion 14 is arranged on the second extension 12; the first clamping portion 13 and the second clamping portion 14 are protrudingly arranged, and the part between them can be regarded as a sunken platform in the plane view shown in Figure 1 for clamping the roller cover 2; the sunken platform part is the limiting portion 15, and the roller cover 2 is sleeved on the limiting portion 15; under the blocking action of the first clamping portion 13 and the second clamping portion 14, the roller cover 2 will not be separated from the roller body 1 in the axial direction.

[0030] Further, the roller body 1 is provided with an axle hole 18 penetrating through the first extension part 11 and the second extension part 12, for penetrating a power shaft, the power shaft drives the roller body 1 to rotate, the roller body 1 drives the roller sleeve 2 to rotate synchronously, based on the properties of the wear-resistant AU rubber, the roller sleeve 2 has the effects of wear resistance and aging resistance, and has a large friction force with the paper, can effectively guide the paper to move in the printer, prevent the paper from slipping, is beneficial to continuous paper feeding, and further ensures that the printing color quality is better, and the use experience of the user is improved.

[0031] The first extension part 11 is provided with a protruding part 16 away from the second extension part 12, for limiting the roller body 1 in the body of the printer, preventing the roller body 1 from moving along the radial direction.

[0032] Preferably, the roller sleeve 2 made of wear-resistant AU rubber is configured to be roll-formed, so as to ensure that the thickness of the wear-resistant AU rubber is uniform; the roller body 1 is configured to be made of POM material, so as to reduce the weight of the roller body 1 and reduce the cost, and facilitate batch production.

[0033] Preferably, the inner diameter of at least one of the first extension part 11 and the second extension part 12 is provided with a reinforcing rib 17, so as to prevent deformation when bearing pressure.

[0034] More preferably, the roller sleeve 2 adopts a two-stage vulcanization process, which can improve the mechanical properties and compression permanent deformation properties of the rubber product, ensure that the roller sleeve 2 is closely connected with the roller body 1, and ensure synchronous movement.

[0035] In summary, the utility model provides a kind of for laser printer's turning paper pickup roller, including roller body 1 and roller sleeve 2, wherein, roller body 1 is used to rotate connection in the body of printer, and roller sleeve 2 is used to guide paper to move in the printer;The material of roller sleeve 2 is configured as wear-resistant AU rubber;Roller body 1 includes smoothly transitioned first extension part 11 and second extension part 12, at least one of first extension part 11 and second extension part 12 is rotatably connected with the body of printer;One of first extension part 11 and second extension part 12 is provided with first clamping part 13, and the other is provided with second clamping part 14;Limiting part 15 is formed between first clamping part 13 and second clamping part 14, and roller sleeve 2 is sleeved in limiting part 15.Visibly, the turning paper pickup roller of the utility model is closely connected with the roller body 1, and the relative sliding of the two is not prone to occur, the roller sleeve 2 is selected from wear-resistant AU rubber, can increase the friction force between the roller sleeve 2 and the paper, prevent the paper from slipping, is beneficial to continuous paper feeding, and further ensures that the printing color quality is better, and the use experience of the user is improved.

[0036] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Any modification, equivalent change and modification of the above embodiments, which does not deviate from the technical solution of the present application and is based on the technical essence of the present application, still belongs to the scope of the technical solution of the present application.

Claims

1. A diverter pickup roller for a laser printer, characterized by, The utility model relates to a printing machine roller body and roller sleeve, including: Roller body (1) for rotationally connecting the body of printer; Roller sleeve (2) for guiding paper to move in the printer; The material of the roller sleeve (2) is configured as wear-resistant AU rubber; The roller body (1) includes the first extension (11) and the second extension (12) of smooth transition, at least one of the first extension (11) and the second extension (12) is rotationally connected with the body of printer; One of the first extension (11) and the second extension (12) is provided with the first clamping part (13), and the other is provided with the second clamping part (14); The first clamping part (13) and the second clamping part (14) form the limiting portion (15) between them, and the roller sleeve (2) is sleeved on the limiting portion (15).

2. The turning pickup roller for a laser printer according to claim 1, wherein The side of the first extension (11) away from the second extension (12) is provided with the protruding portion (16) for limiting in the body of printer.

3. The turning pickup roller for a laser printer according to claim 1, wherein The roller body (1) is provided with the shaft hole (18), and the shaft hole (18) penetrates the first extension (11) and the second extension (12) and is used for penetrating the power shaft.

4. The turning pickup roller for a laser printer according to claim 1, wherein The roller sleeve (2) made of wear-resistant AU rubber is configured to be roll-formed.

5. The turning pickup roller for a laser printer according to claim 1, wherein The roller body (1) is configured as POM material.

6. The turning pickup roller for a laser printer according to claim 1 or 4, wherein The roller sleeve (2) adopts the process of two-stage vulcanization.

7. The turning pickup roller for a laser printer according to claim 1, wherein The inner diameter of at least one of the first extension (11) and the second extension (12) is provided with the reinforcing rib (17).

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