Pull ring type toner cartridge
By incorporating a pull ring and unlocking mechanism on the toner cartridge lid, the problem of limited applicability of traditional toner cartridges is solved, enabling a convenient disassembly and assembly process suitable for users with different hand sizes.
Patent Information
- Application Number
- CN202422621980.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-10-29
AI Technical Summary
The recessed design of traditional toner cartridges is not very versatile and inconvenient to operate, making it difficult to meet the needs of users with different hand sizes, especially users of small printing devices.
A pull-ring type toner cartridge was designed. By setting a pull ring in the inner groove of the toner cartridge cover, combined with an unlocking mechanism, it can be easily disassembled and assembled, and is suitable for users with different hand sizes.
It improves the ease of disassembly and assembly of toner cartridges and reduces the difficulty of operation, making it suitable for users with different hand sizes and simplifying the self-replacement process.
Smart Images

Figure CN223582327U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to printing supplies equipment manufacturing field especially relates to a pull ring formula toner cartridge. BACKGROUND
[0002] At present, laser printing equipment is more and more popular, and most offices, even families, will be equipped with laser printing equipment, so the application and consumption of toner cartridges will also increase. The traditional toner cartridge is a disposable product, and the use cost is high. In order to prolong the service life of the toner cartridge and reduce the use cost of the user, the general merchant will provide professional maintenance personnel to add toner service, but for the user of small printing equipment, due to the size of the equipment, the toner cartridge special for small printing equipment is also relatively small, so it is consumed faster, and the frequency of the professional maintenance personnel's visit is too high, which is not in line with the economic benefit. Therefore, replacing the toner cartridge by oneself becomes the choice of more people. In order to facilitate the user to disassemble and assemble, the general small toner cartridge on the market has a recess hole on the toner cartridge cover plate, and the user can directly take out the toner cartridge by prying with fingers. But limited by the overall size of the toner cartridge, the size of the recess hole is generally small, and it is not suitable for people with different hand sizes, and there is no other auxiliary structure except the recess hole itself, and the surface of the toner cartridge is generally smooth, so it is not easy to operate. SUMMARY
[0003] The utility model wants to overcome the prior art's insufficient, provides a kind of pull ring formula toner cartridge with convenient use, wide applicability of dismounting structure.
[0004] The technical scheme adopted by the utility model is: the utility model includes the bottom box that is composed of powder box and waste powder box, the powder box cover and waste powder box cover corresponding to the powder box and the waste powder box cover are respectively arranged on the top of the bottom box, the upper surface of the powder box cover is provided with inner groove, the pull ring with the shape matched with the inner groove is arranged in the inner groove, one end of the pull ring is hinged in the inner groove, and the other end can swing to the outside of the inner groove, the waste powder box cover is composed of upper cover and lower cover, and the unlocking mechanism is further arranged in the waste powder box cover, the unlocking mechanism includes the sliding cavity formed between the upper cover and the lower cover and the unlocking slide arranged in the sliding cavity, the upper cover is further provided with window, the unlocking slide is provided with unlocking push rod on the upper surface, the unlocking push rod extends from the window, and the unlocking slide can slide in the sliding cavity.
[0005] Further, the inner groove is provided with a hinged base, the hinged base is provided with a rotating connecting piece on both sides, and one end of the pull ring is rotatably connected with the rotating connecting piece and swings around the rotating connecting piece as the axis.
[0006] Further, the pull ring adopts a C-shaped structure, and C-shaped openings on both sides of one end of the C-shaped structure are provided with connecting columns connected with the rotating connecting pieces.
[0007] Further, the connecting columns are also provided with rotation stopping blocks at corresponding positions.
[0008] Further, the pull ring is also provided with a barb surface at a position corresponding to the other end of the rotating connecting piece, and the barb surface is inclined upward from inside to outside along the inner groove.
[0009] Finally, the sliding cavity is divided into a first cavity, a second cavity and a third cavity, the unlocking slide sheet extends to outside of the waste powder box through the third cavity, the middle section of the unlocking slide sheet is a U-shaped elastic section and is arranged in the second cavity, the front end of the unlocking slide sheet is inserted into the first cavity, and an elastic stopper is arranged between the front section and the middle section of the unlocking slide sheet and abuts against the inner wall of the second cavity.
[0010] Compared with the prior art, the pull ring arranged in the powder box cover replaces the original recess hole, the barb surface is directly contacted by the fingers of a user and is pulled outward along the inner groove, the unlocking push rod is simultaneously actuated to be unlocked, the carbon powder box can be disassembled, the pull ring design can effectively improve the applicability of the structure, and the carbon powder box is more easily disassembled by force. Therefore, the disassembly structure is convenient to use and has wide applicability. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 is a whole structure schematic view of the utility model;
[0012] Figure 2 is an explosion structure schematic view of the pull ring and the hinged base;
[0013] Figure 3 is a structure schematic view of the pull ring;
[0014] Figure 4 is an explosion structure schematic view of the unlocking mechanism;
[0015] Figure 5 is a structure schematic view of the unlocking slide sheet;
[0016] Figure 6 is an internal section view schematic view of the unlocking mechanism. DETAILED DESCRIPTION
[0017] As Figures 1 to 6As shown, the utility model discloses a bottom box that is composed of a powder box 1 and a waste powder box 2, and the powder box cover 3 and the waste powder box cover 4 are respectively arranged on the top of the bottom box and correspond to the powder box 1 and the waste powder box 2, the upper surface of the powder box cover 3 is provided with an inner groove 5, a pull ring 6 that is matched with the inner groove 5 is arranged in the inner groove 5, one end of the pull ring 6 is hinged in the inner groove 5, and the other end of the pull ring 6 can swing to the outside of the inner groove 5. The carbon powder box is disassembled by pulling the pull ring 6, and compared with the traditional concave hole design, the utility model is more convenient, and the limitation of different hand shapes of different people is not needed to worry about, and the applicability of the structure is greatly improved.
[0018] In the utility model, the inner groove 5 is provided with a hinged base 7, both sides of the hinged base 7 are provided with rotary connecting pieces 8, one end of the pull ring 6 is rotatably connected with the rotary connecting piece 8, and the pull ring 6 swings around the rotary connecting piece 8 as an axis. The pull ring 6 adopts a C-shaped structure, both sides of one end of the C-shaped opening of the pull ring 6 are provided with connecting columns 9, and the connecting columns 9 are connected with the rotary connecting pieces 8. The connecting columns 9 are also provided with stop blocks 10 at corresponding positions, the stop blocks 10 can limit the swing angle of the pull ring 6 outward, and assist the user to exert force better, so that the carbon powder box is disassembled conveniently. The pull ring 6 is also provided with barbed surfaces 11 at the other end positions of the rotary connecting pieces 8, the barbed surfaces 11 are inclined upward from inside to outside along the inner groove 5, the design of the barbed surfaces 11 increases the contact area of the fingers of the user and the pull ring 6, and provides a better force exertion surface for the user, so that the pull ring 6 is more easily swung outward with the fingers of the user, and the use is more convenient.
[0019] In the utility model, the waste powder box cover 4 is formed by upper cover 12 and lower cover 13, and the unlocking mechanism is further arranged in the waste powder box cover 4, the unlocking mechanism includes the sliding cavity formed between the upper cover 12 and the lower cover 13 and the unlocking slide 14 arranged in the sliding cavity, the upper cover 12 is further provided with window 15, the unlocking slide 14 is provided with unlocking push rod 16 on the upper surface, the unlocking push rod 16 extends from the window 15, and the unlocking slide 14 can slide in the sliding cavity. The sliding cavity is divided into first cavity 17, second cavity 18 and third cavity 19, the unlocking slide 14 extends to the outside of the waste powder box 2 through the third cavity 19, the middle section of the unlocking slide 14 is a U-shaped elastic section and is arranged in the second cavity 18, the front end of the unlocking slide 14 is inserted into the first cavity 17, and the elastic stopper 20 is further arranged between the front section and the middle section of the unlocking slide 14, and the elastic stopper 20 abuts against the inner wall of the second cavity 18. When the toner cartridge is installed, the end of the unlocking slide 14 is locked with the components in the inside of the printing equipment, so that the toner cartridge is more stably installed; when dismounting is required, the unlocking push rod 16 is pushed to the first cavity 17, the front end of the unlocking slide 14 is inserted into the deeper part of the first cavity 17, at the moment, the end of the unlocking slide 14 is separated from the internal structure of the printing equipment, and the user can smoothly dismount the toner cartridge by pulling the pull ring 6.
[0020] Finally, it needs to be emphasized that the above only for the preferred embodiments of the utility model, and is not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and changes, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.
Claims
1. A pull-tab type toner cartridge comprising a base cartridge consisting of a toner cartridge (1) and a waste toner cartridge (2), a toner cartridge cover (3) and a waste toner cartridge cover (4) provided on the top of the base cartridge corresponding to the toner cartridge (1) and the waste toner cartridge (2), respectively, characterized in that: The upper surface of the powder box cover (3) is provided with an inner groove (5), and a pull ring (6) with a shape matching the inner groove (5) is arranged in the inner groove (5). One end of the pull ring (6) is hingedly connected in the inner groove (5), and the other end can swing to the outside of the inner groove (5). The waste powder box cover (4) is composed of an upper cover (12) and a lower cover (13), and an unlocking mechanism is further arranged in the waste powder box cover (4). The unlocking mechanism includes a sliding cavity formed between the upper cover (12) and the lower cover (13) and an unlocking slide (14) arranged in the sliding cavity. The upper cover (12) is further provided with a window (15), and the unlocking slide (14) is provided with an unlocking push rod (16) on the upper surface. The unlocking push rod (16) extends from the window (15), and the unlocking slide (14) can slide in the sliding cavity.
2. A pull-tab type toner cartridge according to claim 1, wherein: The inner groove (5) is provided with a hinged base (7), and the hinged base (7) is provided with a rotating connecting piece (8) at both ends. One end of the pull ring (6) is rotatably connected with the rotating connecting piece (8) and swings around the rotating connecting piece (8) as the axis.
3. A pull-tab type toner cartridge according to claim 2, wherein: The pull ring (6) adopts a C-shaped structure, and the C-shaped opening is provided with a connecting column (9) on both sides of one end. The connecting column (9) is connected with the rotating connecting piece (8).
4. A pull-tab type toner cartridge according to claim 3, wherein: The connecting column (9) is further provided with a rotation stopping block (10) at the corresponding position.
5. A pull-tab type toner cartridge according to claim 2, wherein: The pull ring (6) is further provided with a barb surface (11) at the position corresponding to the other end of the rotating connecting piece (8). The barb surface (11) is inclined upward from inside to outside along the inner groove (5).
6. A pull-tab type toner cartridge according to claim 1, wherein: The sliding cavity is divided into a first cavity (17), a second cavity (18) and a third cavity (19). The unlocking slide (14) extends to the outside of the waste powder box (2) through the third cavity (19). The middle section of the unlocking slide (14) is a U-shaped elastic section and is arranged in the second cavity (18). The front end of the unlocking slide (14) is inserted into the first cavity (17). An elastic stopper (20) is further arranged between the front section and the middle section of the unlocking slide (14), and the elastic stopper (20) abuts against the inner wall of the second cavity (18).