Transfer printing belt mounting structure of laser printer
By introducing a combined design of transfer frame, active transfer roller, mounting plate, clamping block and sliding housing into the laser printer, the problem of complicated disassembly in the prior art is solved, realizing convenient replacement and protection of electrostatic transfer belt and improving maintenance efficiency.
Patent Information
- Application Number
- CN202511275421.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-08
- Publication Date
- 2025-10-17
AI Technical Summary
The disassembly process of the transfer assembly of existing laser printers is cumbersome and requires tools to remove screws, which makes disassembly and assembly inconvenient and easily damages the electrostatic transfer belt.
The electrostatic transfer belt is conveniently disassembled and assembled by adopting a design of a transfer frame, an active transfer roller, a mounting plate, a clamping block, an elastic limiter and a sliding housing. The sliding housing is connected to the mounting plate, and the use of tools to remove screws is avoided.
It simplifies the replacement process of electrostatic transfer belts, improves disassembly and assembly efficiency, avoids damage to the transfer belt, and enhances the convenience of maintenance.
Smart Images
Figure CN120802580A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the technical field of printer equipment, and relates to a transfer belt mounting structure of a laser printer. BACKGROUND
[0002] The electrostatic transfer belt is one of the core components of the laser printer, and the transfer process of the color laser printer includes two steps: the first step is to transfer the carbon powder in the selenium drum to the electrostatic transfer belt after developing on the photosensitive drum; the second step is to transfer the carbon powder on the electrostatic transfer belt to the printing medium, and the quality of the electrostatic transfer belt directly affects the printing effect on the medium.
[0003] The electrostatic transfer belt is usually installed in the transfer assembly of the laser printer for use, and the existing transfer assembly mainly consists of a transfer frame, a driving transfer roller, a driven transfer roller, an electrostatic transfer belt and the like. After being used for a period of time, the transfer assembly needs to be disassembled for maintenance, and then the electrostatic transfer belt needs to be replaced or cleaned, so as to ensure the printing quality. During the disassembly process, the screws on the outer shell of the transfer frame need to be removed first, and then the shell can be removed, and then the driven transfer roller can be removed, and finally the electrostatic transfer belt can be removed. The disassembly process is relatively troublesome. SUMMARY
[0004] In view of the problems of the prior art, the technical scheme adopted by the present application is as follows: a transfer belt mounting structure of a laser printer, comprising: a transfer frame, a driving transfer roller, a mounting plate, a clamping block, an elastic limiting piece and a sliding shell, the transfer frame is rotationally connected with the driving transfer roller, the driving transfer roller is provided with an electrostatic transfer belt, the clamping block is connected with the mounting plate through a sliding groove, one end of the elastic limiting piece is installed on one side of the clamping block and used for limiting the sliding of the clamping block, the sliding shell is slidably installed on one side of the mounting plate, a fixing block is arranged in the sliding shell, the fixing block is connected with the clamping block to form a driven transfer roller mounting seat, a rotating shaft of a driven transfer roller of the laser printer is rotatably installed in the driven transfer roller mounting seat, and an electrostatic transfer belt of the laser printer is sleeved between the driven transfer roller of the laser printer and the driving transfer roller of the laser printer.
[0005] The transfer frame comprises a long strip-shaped bottom plate arranged along the left-right direction, a stand is fixed to each of the left and right ends of the bottom plate, a cross beam arranged along the left-right direction is connected between the upper ends of the two stands, a spring and a suspension block are sleeved on each of the stands, the suspension block is located above the corresponding spring, a front suspension beam and a rear suspension beam parallel to the cross beam are connected between the two suspension blocks, a lower connecting plate is fixed to the lower edge of each of the front suspension beam and the rear suspension beam, a heating cover with an open lower end is fixed below the lower connecting plate, a vertical connecting plate outside the heating cover is connected to each of the left and right ends of the lower connecting plate, the upper end of the vertical connecting plate is fixed to the lower connecting plate, an upper roller arranged along the left-right direction is installed between the lower ends of the two vertical connecting plates, and the upper part of the upper roller is located in the heating cover.
[0006] The elastic limiting piece comprises a shell and a cover matched with the shell, and the shell is internally provided with a normally open connector, a normally closed connector, a common connector, a movable contact, a guide assembly, an elastic assembly and a trigger assembly. One end of the normally open connector and the common connector extends out of the same side of the shell as a connector terminal, and the other end of the normally open connector and the common connector is located in the shell, and the normally open connector is provided with a normally open contact for realizing conduction or disconnection with the movable contact. One end of the normally closed connector is located in the shell and is provided with a normally closed contact for realizing conduction or disconnection with the movable contact, and the other end extends out of one side of the shell as a normally closed connector terminal. The movable contact is electrically connected with the common connector and is correspondingly arranged between the static contacts of the normally open connector and the normally closed connector to switch the communication, and the movable contact realizes the switching of the switch by switching the connection with the normally open connector and the normally closed connector. The guide assembly is used for limiting the movement track of the movable contact, that is, the movable contact can only move up and down along the guide assembly and is parallel to the movement direction of the trigger assembly; the elastic assembly and the trigger assembly for driving the movement of the movable contact are sequentially connected with the movable contact.
[0007] The sliding shell comprises a first shell and a second shell, and a connecting module connected between the first shell and the second shell. The connecting module comprises a flexible plate fixedly connected with the first shell and the second shell, and a connecting piece supporting the flexible plate. The flexible plate is curved or unfolded when the first shell and the second shell are folded or unfolded, and the connecting piece is retracted or unfolded between the first shell and the second shell to abut against the flexible plate when the first shell and the second shell are folded.
[0008] Compared with the prior art, the application has the advantages and positive effects that: The application provides a transfer belt mounting structure of a laser printer, comprising a transfer frame, a driving transfer roller, a mounting plate, clamping blocks, elastic limiting pieces and a sliding shell. The transfer frame is rotationally connected with the driving transfer roller, and the driving transfer roller is provided with an electrostatic transfer belt. The clamping blocks are connected with the mounting plate through sliding grooves. One end of the elastic limiting pieces is mounted on one side of the clamping blocks to limit the sliding of the clamping blocks. When the electrostatic transfer belt needs to be replaced, the sliding shell and the mounting plate are disassembled, and then the sliding shell is slid along the mounting plate to separate the first clamping block from the second clamping block. Therefore, the screws do not need to be disassembled by using tools, and the disassembly and assembly are more convenient. Moreover, the electrostatic transfer belt is not damaged during the disassembly and assembly. BRIEF DESCRIPTION OF DRAWINGS
[0009] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative labor.
[0010] Figure 1 It is a structural schematic diagram of a transfer belt installation structure of a laser printer of the present invention; Figure 2 It is a schematic diagram of the interior of a transfer belt installation structure of a laser printer of the present invention; Figure 3 It is a structural schematic diagram of the elastic limiting member of the present invention; In the above figures, 1. transfer frame; 2. active transfer roller; 3. driven transfer roller; 4. laser printer; 5. elastic limiter; 6. clamping block; 7. upper roller; 8. heating cover; 9. controller. DETAILED DESCRIPTION
[0011] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.
[0012] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0013] Example 1, as Figure 1 As shown, the present application provides a transfer belt mounting structure for a laser printer, comprising: a transfer frame 1, an active transfer roller 2, a mounting plate, a clamping block 6, an elastic limiter 5 and a sliding shell. The transfer frame 1 is rotatably connected to the active transfer roller 2, an electrostatic transfer belt is mounted on the active transfer roller 2, the clamping block 6 is connected to the mounting plate through a slide groove, one end of the elastic limiter 5 is mounted on one side of the clamping block 6, and is used to limit the sliding of the clamping block 6. The sliding shell is slidably mounted on one side of the mounting plate, a fixed block is provided in the sliding shell, the fixed block is connected to the clamping block 6 to form a driven transfer roller 3 mounting seat, the rotating shaft of the driven transfer roller 3 of the laser printer 4 can be rotatably mounted in the driven transfer roller 3 mounting seat, and the electrostatic transfer belt tensioning sleeve of the laser printer 4 is arranged between the driven transfer roller 3 of the laser printer 4 and the active transfer roller 2 of the laser printer 4.
[0014] The transfer frame 1 comprises a long strip-shaped bottom plate arranged along the left-right direction, a stand column is fixed at each of the left and right ends of the bottom plate, a cross beam arranged along the left-right direction is connected between the upper ends of the two stand columns, a spring and a suspension block are harnessed on each of the stand columns, the suspension block is located above the corresponding spring, a front suspension beam and a rear suspension beam parallel to the cross beam are connected between the two suspension blocks, a lower connecting plate is fixed at the lower edge of the front suspension beam and the rear suspension beam, a heating cover 8 with an open lower end is fixed below the lower connecting plate, a vertical connecting plate outside the heating cover 8 is connected at the left and right ends of the lower connecting plate, the upper end of the vertical connecting plate is fixed with the lower connecting plate, an upper roller 7 arranged along the left-right direction is installed between the lower ends of the two vertical connecting plates, the upper part of the upper roller 7 is located in the heating cover 8, and a controller 9 is arranged at one end of the heating cover 8.
[0015] The elastic limiting piece 5 comprises a shell and a cover matched with the shell, and the shell is internally provided with a normally-opened connector, a normally-closed connector, a common connector, a movable contact, a guide assembly, an elastic assembly and a trigger assembly. One end of the normally-opened connector and the common connector extends from the same side of the shell as a connector terminal, and the other end of the normally-opened connector and the common connector is located in the shell, and the normally-opened connector has a normally-opened contact for realizing conduction or disconnection with the movable contact. One end of the normally-closed connector is located in the shell and has a normally-closed contact for realizing conduction or disconnection with the movable contact, and the other end extends from one side of the shell as a normally-closed connector terminal. The movable contact is electrically connected with the common connector and is correspondingly arranged between the stationary contacts of the normally-opened connector and the normally-closed connector to switch the communication, and the movable contact realizes the switching of the switch by switching the connection with the normally-opened connector and the normally-closed connector. The guide assembly is used to limit the movement track of the movable contact, i.e. only moving up and down along the guide assembly and parallel to the movement direction of the trigger assembly; the elastic assembly and the trigger assembly for driving the movement of the movable contact are sequentially connected with the movable contact.
[0016] The sliding shell comprises a first shell and a second shell, and a connecting module connected between the first shell and the second shell. The connecting module comprises a flexible plate fixedly connected with the first shell and the second shell, and a connecting piece supporting the flexible plate. The flexible plate is curved or unfolded when the first shell and the second shell are folded or unfolded, and the connecting piece is contracted or unfolded between the first shell and the second shell to abut against the flexible plate when the first shell and the second shell are folded.
[0017] In use, the transfer frame 1 can be installed inside the laser printer 4, and the electrostatic transfer belt is connected with components such as a photosensitive drum, to ensure normal operation of the printing work; when the electrostatic transfer belt needs to be replaced, the sliding shell is detached from the mounting plate, and then the sliding shell is slid along the mounting plate, so that the first clamping block 6 is separated from the second clamping block 6, at this time the rotating shaft of the driven transfer roller 3 is supported by the first clamping block 6, then the first clamping block 6 is slid into the first sliding groove, driving the driven transfer roller 3 to move towards the driving transfer roller 2, so that the electrostatic transfer belt is in a relaxed state, so that the electrostatic transfer belt can be taken off from the transfer frame 1; without the need of tools to disassemble the screws, the disassembly is more convenient, and the electrostatic transfer belt will not be damaged during disassembly.
[0018] The above description is only the preferred embodiment of the present application, and does not limit the present application in other forms. Any person skilled in the art can use the disclosed technical content to make changes or modifications to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments, without departing from the technical solution content of the present application, still belongs to the protection scope of the technical solution of the present application.
Claims
1. A transfer belt installation structure for a laser printer, characterized in that: include: A transfer frame (1), an active transfer roller (2), a mounting plate, a clamping block (6), an elastic limiting member (5) and a sliding housing are provided. The transfer frame (1) is rotatably connected to the active transfer roller (2). An electrostatic transfer belt is mounted on the active transfer roller (2). The clamping block (6) is connected to the mounting plate through a slide groove. One end of the elastic limiting member (5) is mounted on one side of the clamping block (6) for limiting the sliding of the clamping block (6). The sliding housing is slidably mounted on one side of the mounting plate. A fixed block is provided in the sliding housing. The fixed block is connected to the clamping block (6) to form a mounting seat for a driven transfer roller (3). The rotating shaft of the driven transfer roller (3) of the laser printer (4) is rotatably mounted in the mounting seat for the driven transfer roller (3). The electrostatic transfer belt tensioning sleeve of the laser printer (4) is arranged between the driven transfer roller (3) of the laser printer (4) and the active transfer roller (2) of the laser printer (4).
2. The transfer belt installation structure of a laser printer according to claim 1, wherein: The transfer frame (1) comprises a long strip bottom plate arranged in the left and right directions, upright posts are fixed at both left and right ends of the bottom plate, a cross beam arranged in the left and right directions is connected between the upper ends of the two upright posts, a spring and a suspension block are looped on each upright post, the suspension block is located above the corresponding spring, a front suspension beam and a rear suspension beam parallel to the cross beam are connected between the two suspension blocks, a lower connecting plate is fixed below the front suspension beam and the rear suspension beam, a heating cover (8) with an open lower end is fixed below the lower connecting plate, vertical connecting plates located outside the heating cover (8) are connected to both left and right ends of the lower connecting plate, the upper ends of the vertical connecting plates are fixed to the lower connecting plate, an upper roller (7) arranged in the left and right directions is installed between the lower ends of the two vertical connecting plates, the upper part of the upper roller (7) is located inside the heating cover (8), and a controller (9) is provided at one end of the heating cover (8).
3. The transfer belt installation structure of a laser printer according to claim 1, wherein: The elastic limiting member (5) comprises a housing and a surface cover adapted to the housing, wherein a normally open connector, a normally closed connector, a common connector, a movable contact piece, a guide assembly, an elastic assembly and a trigger assembly are arranged in the housing; one end of the normally open connector and the common connector extends from the same side of the housing as a plug-in terminal, and the other ends of the normally open connector and the common connector are located in the housing, and the normally open connector has a normally open contact for realizing conduction or disconnection with the movable contact piece.
4. A transfer belt installation structure for a laser printer as claimed in claim 3, characterized in that: One end of the normally closed connector is located in the housing and has a normally closed contact for connecting or disconnecting with the movable contact piece. The other end extends from a side of the housing as a normally closed connector terminal. The movable contact piece is electrically connected to the common connector and is correspondingly arranged between the static contacts of the normally open connector and the normally closed connector to switch the connection. The movable contact piece realizes the switching of the switch by switching the connection with the normally open connector and the normally closed connector.
5. The transfer belt installation structure of a laser printer according to claim 4, characterized in that: The guide component is used to limit the movement trajectory of the moving contact piece, that is, it can only move up and down along the guide component and parallel to the movement direction of the trigger component; the moving contact piece is sequentially linked with an elastic component and a trigger component for driving the movement of the moving contact piece; the sliding shell has a first shell and a second shell, and a connecting module connected between the first shell and the second shell.
6. The transfer belt installation structure of a laser printer according to claim 5, characterized in that: The connecting module includes a flexible plate fixedly connecting the first shell and the second shell, and a connecting member supporting the flexible plate; the flexible plate bends or unfolds as the first shell and the second shell are folded or opened, and the connecting member contracts or unfolds between the first shell and the second shell to contact the flexible plate when the first shell and the second shell are folded.