Waste powder bin structure with integrated side cover
By designing a waste powder bin structure with the side cover integrated in the waste powder bin structure of the CP2100 toner cartridge, using integrated injection molding and integrated drum core structure, the problems of low production efficiency and high production costs are solved, and more efficient assembly and lower production costs are achieved.
Patent Information
- Application Number
- CN202421459874.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-25
AI Technical Summary
The waste powder bin structure of the existing CP2100 toner cartridge has low production efficiency and excessive production cost.
A waste powder bin structure with an integrated side cover is designed, and the waste powder bin body and the gear outer cover are injection molded, and an integrated drum core structure is integrated, and a positioning reinforcement hole structure and a short steel shaft are provided on the conductive side cover to simplify the assembly steps and improve positioning accuracy.
It significantly improves production assembly efficiency, reduces the number of parts and assembly complexity, and effectively controls production costs.
Smart Images

Figure CN222704898U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of carbon powder boxes, in particular to a waste powder bin structure with an integrated side cover. Background Art
[0002] In the original CP2100 toner cartridge, the drum core drive gear, the drum core body and the drum core steel shaft are split structures. When assembling the waste toner bin, it is necessary to first fix the outer cover of the gear on one end of the waste toner bin with pins, then position and install the cleaning scraper and charging roller, then insert one end of the drum core steel shaft into the middle of the drum core drive gear, then position and install the drive gear in the drive gear installation slot on the outer cover of the gear, and then further position and penetrate the drum core steel shaft from one end of the drum core body, and position it in the steel shaft positioning groove on the inner side of the end of the other end of the drum core body, and then install it on the conductive end cover through the positioning column on the outer side of the end. In actual assembly, the inventor found that this structure greatly affected the production efficiency, and the procurement of various components also made the production cost high. Therefore, it is urgent to design a waste toner bin structure with an integrated side cover to solve the above problems. Utility Model Content
[0003] In view of the defects of the prior art mentioned above, the utility model provides a waste powder bin structure with an integrated side cover, aiming to solve the problems of low production efficiency and high production cost of the waste powder bin structure of CP2100 in the prior art.
[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a waste powder bin structure with an integrated side cover, comprising a waste powder bin body and a gear outer cover, the waste powder bin body and the gear outer cover are integrally injection molded, an integrated drum core structure is arranged on the gear outer cover, the integrated drum core structure is composed of a drum core drive head and a drum core body, a drum core gear positioning column opening is arranged on the gear outer cover, the drum core drive head is adapted to be in the drum core gear positioning column opening, a conductive side cover is arranged at one end of the waste powder bin body away from the gear outer cover, a positioning reinforcement hole structure is arranged at the position of the conductive side cover corresponding to the drum core body, a short steel shaft is arranged in the positioning reinforcement hole structure, the short steel shaft is inserted into the drum core body, and is used for positioning the other end of the drum core body and connecting the drum core body to the printer power supply element.
[0005] Based on the above, the beneficial effect of a waste toner bin structure with integrated side cover is to solve the problem of low production efficiency and high production cost of the waste toner bin structure of CP2100 in the prior art; it is mainly reflected in:
[0006] The utility model is formed by integrally injecting the waste powder bin body and the outer cover of the gear, and the outer cover of the gear integrates the drum core drive head and the drum core body into an integrated drum core structure, which simplifies the assembly steps, and the drum core drive head is firmly positioned through the drum core gear positioning column opening;
[0007] The utility model configures a conductive side cover at the other end of the waste powder bin body, on which a positioning reinforcement hole structure and a short steel shaft are provided, so as to quickly locate the other end of the drum core body and ensure electrical conduction. At the same time, the positioning reinforcement hole structure on the conductive side cover is designed with a steel shaft positioning hole and a steel shaft reinforcement positioning rib, as well as a steel shaft installation slope, so as to facilitate the interference assembly of the short steel shaft and enhance the structural stability.
[0008] The utility model arranges the cleaning scraper installation platform symmetrically inside the waste powder bin body, which is convenient for quick installation and positioning of the cleaning scraper, and adds a foolproof design to prevent wrong installation. In addition, a powder pouring port is arranged inside to facilitate waste powder cleaning and maintenance, and the charging roller buckle groove structure at both ends is equipped with springs to adapt to different models of drum cores and ensure that the charging roller and the drum core body are effectively fitted;
[0009] In summary, the utility model significantly improves production and assembly efficiency, reduces the number of components and assembly complexity, and effectively controls production costs.
[0010] Furthermore, the positioning reinforcement hole structure consists of a steel shaft positioning hole and a plurality of steel shaft reinforcement positioning ribs evenly distributed on the inner wall of the steel shaft positioning hole, and a plurality of the steel shaft reinforcement positioning ribs are located at one end of the outer side of the conductive edge cover and are provided with a steel shaft installation slope, and the short steel shaft is interference fit between the plurality of the steel shaft reinforcement positioning ribs along the plurality of the steel shaft installation slopes.
[0011] Based on the above, the beneficial effect of the steel shaft locating hole is to ensure the precise embedding of the short steel shaft and enhance the accuracy of the drum core positioning; the beneficial effect of the steel shaft reinforced positioning rib is to enhance the structural stability and prevent the steel shaft from offset; the beneficial effect of the steel shaft installation slope is to facilitate smooth interference assembly of the short steel shaft.
[0012] Furthermore, cleaning scraper mounting platforms are symmetrically arranged on the left and right ends of the middle part of the waste powder bin body, and the two cleaning scraper mounting platforms jointly mount the cleaning scraper. Limit blocks and threaded mounting holes are arranged on the end faces of the cleaning scraper mounting platforms at both ends. The two ends of the cleaning scraper are limited between the two limit blocks and are connected to the two threaded mounting holes by screw threads. One of the cleaning scraper mounting platforms is also provided with an anti-foolproof positioning column, and one end of the cleaning scraper is provided with an anti-foolproof hole, and the anti-foolproof positioning column is adapted to the anti-foolproof hole.
[0013] Based on the above, the beneficial effect of the cleaning scraper mounting platform is to simplify the installation of the cleaning scraper and improve maintenance efficiency; the beneficial effect of the cleaning scraper is to effectively remove the residual toner on the drum core body, maintain the printing quality and extend the service life; the beneficial effect of the limit block is to limit the position of the cleaning scraper, ensure the stable operation of the scraper and reduce wear; the beneficial effect of the threaded mounting hole is to allow the cleaning scraper to be quickly fixed with screws, simplifying the assembly steps; the beneficial effect of the anti-foolproof positioning column is to prevent the cleaning scraper from being installed incorrectly, improve the assembly accuracy and reduce the risk of failure.
[0014] Furthermore, a powder pouring port is provided in the waste powder bin body, and the powder pouring port is convenient for dumping the waste powder and regular maintenance of the waste powder bin.
[0015] Based on the above, the beneficial effects of the powder pouring port are to facilitate regular emptying of waste powder, reduce maintenance difficulty, and improve user experience.
[0016] Furthermore, charging roller buckle groove structures are provided at both ends of the waste powder bin body, and charging rollers are positioned in the two charging roller buckle groove structures by spring assemblies. The charging rollers are fitted to the drum core body, and the spring assemblies are used to make the charging rollers adapt to different models of the drum core body.
[0017] Based on the above, the beneficial effect of the charging roller buckle groove structure is that it can flexibly adapt to a variety of drum core models and enhance versatility and compatibility; the beneficial effect of the spring assembly is that it automatically adjusts the charging roller pressure to ensure close contact with the drum core and improve charging uniformity; the beneficial effect of the charging roller is that it fits closely with the drum core, efficiently transfers charge, and ensures high-quality print output.
[0018] In order to more clearly illustrate the above features of the present invention and the objectives to be achieved, the present invention is further described below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 : is a three-dimensional schematic diagram of the utility model;
[0020] Figure 2 : is a three-dimensional schematic diagram of another viewing angle of the utility model;
[0021] Figure 3 :for Figure 2 An enlarged schematic diagram of part A;
[0022] Figure 4 : It is a schematic diagram of the integrated drum core structure of the utility model;
[0023] Figure 5 : It is a schematic diagram of the conductive side cover of the utility model.
[0024] Description of the accompanying figures: 1-waste powder bin body, 11-cleaning scraper mounting platform, 111-limiting block, 112-threaded mounting hole, 113-anti-foolproof positioning column, 12-powder pouring port, 13-charging roller buckle groove structure, 2-gear outer cover, 21-drum core gear positioning column mouth, 3-integrated drum core structure, 31-drum core drive head, 32-drum core body, 4-conductive side cover, 41-positioning reinforcement hole structure, 411-steel shaft positioning hole, 412-steel shaft reinforcement positioning rib, 4121-steel shaft installation slope, 42-short steel shaft. DETAILED DESCRIPTION
[0025] like Figure 1-Figure 5 As shown, a waste powder bin structure with an integrated side cover comprises a waste powder bin body 1 and a gear outer side cover 2, wherein the waste powder bin body 1 and the gear outer side cover 2 are integrally injection molded, an integrated drum core structure 3 is arranged on the gear outer side cover 2, and the integrated drum core structure 3 is composed of a drum core driving head 31 and a drum core body 32, a drum core gear positioning column opening 21 is arranged on the gear outer side cover 2, and the drum core driving head 31 is adapted to be in the drum core gear positioning column opening 21, a conductive side cover 4 is arranged at one end of the waste powder bin body 1 away from the gear outer side cover 2, a positioning reinforcement hole structure 41 is arranged at a position of the conductive side cover 4 corresponding to the drum core body 32, a short steel shaft 42 is arranged in the positioning reinforcement hole structure 41, and the short steel shaft 42 is inserted into the drum core body 32 for positioning the other end of the drum core body 32 and connecting the drum core body 32 to the printer power supply element.
[0026] The positioning reinforcement hole structure 41 consists of a steel shaft positioning hole 411 and a plurality of steel shaft reinforcement positioning ribs 412 evenly distributed on the inner wall of the steel shaft positioning hole 411, and a plurality of the steel shaft reinforcement positioning ribs 412 are located at one end of the outer side of the conductive side cover 4 and are all provided with a steel shaft installation slope 4121, and the short steel shaft 42 is interference fit between the plurality of the steel shaft reinforcement positioning ribs 412 along the plurality of the steel shaft installation slopes 4121.
[0027] Cleaning scraper mounting platforms 11 are symmetrically arranged at the left and right ends of the middle part of the waste powder bin body 1, and the two cleaning scraper mounting platforms 11 are used to mount the cleaning scraper together. Limiting blocks 111 and threaded mounting holes 112 are arranged on the end faces of the cleaning scraper mounting platforms 11 at both ends. The two ends of the cleaning scraper are limited between the two limiting blocks 111 and are connected to the two threaded mounting holes 112 by screw threads. An anti-foolproof positioning column 113 is also arranged on one of the cleaning scraper mounting platforms 11, and an anti-foolproof hole is arranged at one end of the cleaning scraper, and the anti-foolproof positioning column 113 is adapted to the anti-foolproof hole.
[0028] The waste powder bin body 1 is provided with a powder pouring port 12 , and the powder pouring port 12 is convenient for dumping waste powder and regular maintenance of the waste powder bin.
[0029] Charging roller buckle groove structures 13 are also provided at both ends of the waste powder bin body 1. Charging rollers are positioned in the two charging roller buckle groove structures 13 by spring assemblies. The charging rollers are fitted with the drum core body 32. The spring assemblies are used to make the charging rollers adapt to the drum core bodies 32 of different models.
[0030] In summary, the specific implementation of the utility model is as follows: the waste powder bin structure with integrated side cover mainly includes a waste powder bin body 1 and a gear outer side cover 2, which are integrated by injection molding process, and an integrated drum core structure 3 is integrated on the gear outer side cover 2, which is composed of a drum core drive head 31 and a drum core body 32, ensuring the accuracy and reliability of transmission, and the drum core drive head 31 is accurately adapted to the drum core gear positioning column 21 on the gear outer side cover 2;
[0031] A conductive side cover 4 is provided at one end of the waste toner bin body 1 away from the outer side cover 2 of the gear, and a positioning reinforcement hole structure 41 is provided on the side cover. A short steel shaft 42 is embedded in the structure. When the conductive end cover is installed, the short steel shaft 42 is inserted into the drum core body 32, which not only plays a role in positioning the other end of the drum core body 32, but also ensures the electrical conduction between the drum core body 32 and the power-on components of the printer. The positioning reinforcement hole structure 41 consists of a steel shaft positioning hole 411 and evenly distributed steel shaft reinforcement positioning ribs 412. The outer end of each steel shaft reinforcement positioning rib 412 is provided with a steel shaft installation slope 4121, so that the short steel shaft 42 can be interference-fitted between each steel shaft reinforcement positioning rib 412 along the slope, which greatly enhances the overall stability and assembly convenience of the structure;
[0032] Cleaning scraper mounting platforms 11 are symmetrically arranged on the left and right sides of the middle part of the waste toner bin body 1, which is convenient for quick installation and accurate positioning of the cleaning scraper. The end face of each cleaning scraper mounting platform 11 is provided with a limit block 111 and a threaded mounting hole 112, which ensures that both ends of the cleaning scraper are firmly limited and can be fastened by screws, thereby improving the stability and efficiency of the operation. It is particularly worth noting that a fool-proof positioning column 113 is added to a cleaning scraper mounting platform, which perfectly matches the fool-proof hole on the cleaning scraper, effectively avoiding assembly errors and improving the accuracy of assembly.
[0033] A toner pouring port 12 is designed inside the waste toner bin body 1 and is located at the center of the bottom of the waste toner bin, so that the user can pour out the accumulated waste toner regularly, thereby ensuring the long-term effective operation and easy maintenance of the waste toner bin;
[0034] Charging roller buckle groove structures 13 are provided at both ends of the waste toner bin body 1. The charging roller is positioned in each buckle groove structure by using a spring assembly so that it can be flexibly adjusted to adapt to drum core bodies 3 of different diameters. The charging roller is tightly attached to the drum core body 32, ensuring uniform transfer of charge, which is of great significance to printing quality and stability.
[0035] The above description is only the optimal solution embodiment of the present invention and is not intended to limit the present invention. Various modifications or substitutions made to the present invention by those skilled in the art without departing from the essence and protection scope of the present invention should also be within the protection scope of the present invention.
Claims
1. A waste toner bin structure with integrated side cover, characterized in that: The invention comprises a waste powder bin body (1) and a gear outer cover (2), wherein the waste powder bin body (1) and the gear outer cover (2) are integrally injection molded, an integral drum core structure (3) is arranged on the gear outer cover (2), and the integral drum core structure (3) is composed of a drum core drive head (31) and a drum core body (32), a drum core gear positioning column opening (21) is arranged on the gear outer cover (2), and the drum core drive head (31) is adapted to fit in the drum core gear positioning column opening (21), and the drum core gear positioning column opening (21) is provided on the gear outer cover (2). A conductive side cover (4) is provided at one end of the waste powder bin body (1) away from the gear outer side cover (2); a positioning reinforcement hole structure (41) is provided at a position of the conductive side cover (4) corresponding to the drum core body (32); a short steel shaft (42) is provided in the positioning reinforcement hole structure (41); the short steel shaft (42) is inserted into the drum core body (32) and is used to position the other end of the drum core body (32) and connect the drum core body (32) to the power supply element of the printer.
2. The waste toner bin structure with integrated side cover according to claim 1, characterized in that: The positioning reinforcement hole structure (41) is composed of a steel shaft positioning hole (411) and a plurality of steel shaft reinforcement positioning ribs (412) evenly distributed on the inner wall of the steel shaft positioning hole (411); a plurality of the steel shaft reinforcement positioning ribs (412) are located at one end of the outer side of the conductive side cover (4) and are each provided with a steel shaft installation slope (4121); and the short steel shaft (42) is interference fitly arranged between the plurality of the steel shaft reinforcement positioning ribs (412) along the plurality of the steel shaft installation slopes (4121).
3. The waste toner bin structure with integrated side cover according to claim 1, characterized in that: Cleaning scraper mounting platforms (11) are symmetrically arranged at the left and right ends of the middle part of the waste powder bin body (1), and the two cleaning scraper mounting platforms (11) are used to mount the cleaning scraper together. Limiting blocks (111) and threaded mounting holes (112) are arranged on the end faces of the cleaning scraper mounting platforms (11) at both ends. The two ends of the cleaning scraper are limited between the two limiting blocks (111) and are connected to the two threaded mounting holes (112) by screw threads. One of the cleaning scraper mounting platforms (11) is also provided with an anti-foolproof positioning column (113), and one end of the cleaning scraper is provided with an anti-foolproof hole, and the anti-foolproof positioning column (113) is adapted to the anti-foolproof hole.
4. The waste toner bin structure with integrated side cover according to claim 1, characterized in that: The waste powder bin body (1) is provided with a powder pouring port (12), and the powder pouring port (12) facilitates the pouring of waste powder and the regular maintenance of the waste powder bin.
5. The waste toner bin structure with integrated side cover according to claim 1, characterized in that: Charging roller buckle groove structures (13) are also provided at both ends of the waste powder bin body (1), and charging rollers are positioned and arranged in the two charging roller buckle groove structures (13) by means of spring assemblies. The charging rollers are fitted to the drum core body (32), and the spring assemblies are used to make the charging rollers adapt to the drum core bodies (32) of different models.