Toner cartridge with compact driving mechanism

Abstract

The utility model discloses a toner cartridge with a compact driving mechanism. The toner cartridge comprises a cartridge body, a toner stirring roller, a first driving gear, a deflector rod, a screw cap and a reset bow, a powder cavity and a powder outlet communicated with the powder cavity are formed in the box body; the powder stirring roller is arranged in the powder cavity; the first driving gear is arranged at the side end of the box body, connected with the powder stirring roller and used for being in butt joint with a driving mechanism on the photocopy equipment; the deflector rod is arranged at the side end of the box body, is provided with driving teeth, and is provided with a closing position and a powder outlet position which can be switched mutually; the rotary cover is arranged at the side end of the box body and is provided with driven teeth meshed with the driving teeth; the reset bow is arranged at the side end of the box body and is propped against the deflector rod, so that the deflector rod is kept at a closed position or a powder outlet position; by means of the structure, closing and opening of the toner outlet can be achieved, the toner cartridge has the advantages of being simple in structure, compact in layout and small in size, and using and recycling of the toner cartridge are met.

Description

Technical Field

[0001] This utility model relates to the field of printing consumables, and in particular to a toner cartridge with a compact drive mechanism. Background Technology

[0002] Toner cartridges are toner supply devices used in photocopying equipment, providing toner for printing / copying. A typical toner cartridge consists of a cartridge body, a toner-stirring roller, and a drive gear. The drive gear connects to the toner-stirring roller and, after docking with the drive mechanism in the photocopying equipment, drives the roller to agitate the toner inside the cartridge. A cover is movably mounted on the cartridge body, allowing the toner outlet to be opened after the cartridge is installed in the photocopying equipment. However, in existing toner cartridges, the mechanism for driving the cover is quite complex, resulting in cumbersome reset operations and a large overall structure that occupies considerable space within the photocopying equipment. Therefore, there is an urgent need for a toner cartridge with a compact drive mechanism to solve these problems. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a toner cartridge with a compact drive mechanism.

[0004] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: a toner box with a compact drive mechanism, including a box body, a powder stirring roller, a first drive gear, a lever, a screw cap, and a reset bow;

[0005] The box body is equipped with a powder chamber and a powder outlet that communicates with the powder chamber;

[0006] The mixing roller is installed inside the powder chamber;

[0007] The first drive gear is located on the side of the box and connected to the powder mixing roller, and is used to connect with the drive mechanism on the photocopying equipment.

[0008] The lever is located on the side of the box and has a drive tooth on it. The lever has a switchable closed position and a powder dispensing position.

[0009] The screw cap is located on the side of the box body and has a driven tooth that meshes with the drive tooth;

[0010] The reset bow is located on the side of the box and abuts against the lever to keep the lever in the closed or powder dispensing position.

[0011] As one of the preferred embodiments of this utility model, the box body is provided with a first rotating head and a second rotating head, the powder outlet is provided on the second rotating head, the lever is sleeved on the first rotating head, the first drive gear abuts against the outside of the lever, the screw cap is sleeved on the second rotating head, and also includes a pressure cap connected to the powder mixing roller through a quick-release structure, the pressure cap abutting against the outside of the first drive gear.

[0012] As one of the preferred embodiments of this utility model, the quick-release structure includes a first hook and a second hook that are disposed opposite to each other on the pressure cap, and a first receiving platform and a second receiving platform that are disposed opposite to each other on the mixing roller. The first hook is engaged with the first receiving platform, and the second hook is engaged with the second receiving platform.

[0013] As one of the preferred embodiments of this utility model, the side end of the box is provided with an abutment part and a rotating part, and the reset bow is provided with an abutment arm, a rotating slot, a first clamping arm and a second clamping arm. The abutment arm abuts against the abutment part, the rotating slot is engaged with the rotating part, and the first clamping arm and the second clamping arm are clamped on both sides of the lever.

[0014] As one of the preferred embodiments of this utility model, a limiting ring is provided on the screw cap and sleeved on the rotating part to limit the rotation stroke of the screw cap.

[0015] As one of the preferred embodiments of this utility model, a toner cartridge with a compact drive mechanism further includes a toner feeding roller and a second drive gear. The toner feeding roller is disposed in the toner cavity, and the second drive gear is disposed on the toner feeding roller and meshes with the first drive gear.

[0016] As one of the preferred embodiments of this utility model, the screw cap is provided with a clearance groove to avoid the second drive gear.

[0017] As one of the preferred embodiments of this utility model, the lever is provided with an anti-slip structure.

[0018] The beneficial effects of this utility model are as follows: A toner cartridge with a compact drive mechanism includes a cartridge body, a toner stirring roller, a first drive gear, a lever, a screw cap, and a reset bow; the cartridge body is provided with a toner cavity and a toner outlet communicating with the toner cavity; the toner stirring roller is disposed in the toner cavity; the first drive gear is disposed on the side end of the cartridge body and connected to the toner stirring roller, for engaging with the drive mechanism on a photocopying device; the lever is disposed on the side end of the cartridge body and is provided with drive teeth, and the lever has a switchable closed position and a toner outlet position; the screw cap is disposed on the side end of the cartridge body and is provided with driven teeth that mesh with the drive teeth; the reset bow is disposed on the side end of the cartridge body and abuts against the lever, so that the lever maintains the closed position or the toner outlet position; the above structure not only realizes the closing and opening of the toner outlet, but also has the advantages of simple structure, compact layout, and small size, meeting the requirements of toner cartridge use and recycling. Attached Figure Description

[0019] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0020] Figure 1 This is a schematic diagram of a toner cartridge with a compact drive mechanism in a closed state.

[0021] Figure 2 This is a schematic diagram of a toner cartridge with a compact drive mechanism in the toner dispensing state.

[0022] Figure 3 An exploded view of a device with a compact drive mechanism;

[0023] Figure 4 This is a partial structural diagram of a device with a compact drive mechanism. Detailed Implementation

[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0025] In the description of this utility model, "multiple" means two or more; "greater than," "less than," and "exceeding" are understood to exclude the stated number; "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of indicated technical features or their sequential relationship.

[0026] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] In this utility model, unless otherwise explicitly defined, the terms "setting," "installing," and "connecting" should be interpreted broadly. For example, they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to a fixed connection, a detachable connection, or an integral molding; they can refer to a mechanical connection; they can refer to the internal connection of two components or the interaction between two components. Those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0028] Reference Figures 1 to 4 A toner cartridge with a compact drive mechanism includes a cartridge body 10, a stirring roller 20, a first drive gear 30, a lever 40, a screw cap 50, and a reset bow 60.

[0029] The box body 10 is provided with a powder chamber 11 and a powder outlet 12 communicating with the powder chamber 11;

[0030] The mixing roller 20 is disposed inside the powder chamber 11;

[0031] The first drive gear 30 is located on the side of the housing 10 and connected to the powder stirring roller 20, and is used to engage the drive mechanism on the photocopying equipment.

[0032] The lever 40 is located on the side of the housing 10 and has a drive tooth 41 on it. The lever 40 has a switchable closed position and a powder outlet position.

[0033] The screw cap 50 is provided on the side of the box body 10 and has a driven tooth 51 that meshes with the drive tooth 41.

[0034] The reset bow 60 is located on the side of the housing 10 and abuts against the lever 40 so that the lever 40 is kept in the closed position or the powder dispensing position.

[0035] In this invention, during use, the toner cartridge is placed into the photocopying equipment, and the drive mechanism on the photocopying equipment is engaged with the first drive gear 30 on the cartridge body 10. Then, the lever 40 is turned. As the lever 40 rotates, it will drive the drive gear 41 on it to rotate synchronously. The drive gear 41 rotates together with the driven gear 51 that meshes with it, thereby pushing the cap 50 to rotate until the toner outlet 12 that was previously blocked is exposed. Figure 1 State switch to Figure 2 In some embodiments, the toner cartridge also includes a powder feeding roller 91 and a second drive gear 92. The powder feeding roller 91 is disposed in the powder cavity 11, and the second drive gear 92 is disposed on the powder feeding roller 91 and meshes with the first drive gear 30. During the rotation of the first drive gear 30, the second drive gear 92 will be driven to rotate synchronously, thereby driving the powder feeding roller 91 to transport the toner in the powder cavity 11 to the powder outlet 12, and finally be used by the photocopying equipment.

[0036] Reference Figures 1-4In some embodiments, the box body 10 is provided with a first rotating head 13 and a second rotating head 14, the powder outlet 12 is provided on the second rotating head 14, the lever 40 is sleeved on the first rotating head 13, the first drive gear 30 abuts against the outside of the lever 40, the screw cap 50 is sleeved on the second rotating head 14, and also includes a pressure cap 80 connected to the powder stirring roller 20 through a quick-release structure 70, the pressure cap 80 abuts against the outside of the first drive gear 30; in a further embodiment, the side end of the box body 10 is provided with an abutment part 15 and a rotating part 16, the reset bow 60 is provided with an abutment arm 61, a rotating slot 62, a first clamping arm 63 and a second clamping arm 64, the abutment arm 61 abuts against the abutment part 15, the rotating slot 62 is engaged with the rotating part 16, and the first clamping arm 63 and the second clamping arm 64 clamp the two sides of the lever 40.

[0037] Specifically, during assembly, first, the cap 50 is fitted onto the second rotating head 14, then the rotating slot 62 on the reset bow 60 is fitted onto the rotating part 16, and the abutting arm 61 abuts against the abutting part 15. Next, the lever 40 is fitted onto the first rotating head 13, causing the lever 40 to abut against the first clamping arm 63 and the second clamping arm 64 on the reset bow 60. Simultaneously, the reset bow 60 is confined between the lever 40 and the side end of the housing 10. The drive teeth 4 on the lever 40... 1. Engages with the driven gear 51 on the screw cap 50; then, the first drive gear 30 abuts against the outside of the lever 40; finally, the pressure cap 80 is connected to the powder mixing roller 20 through the quick-release structure 70. It should be noted that the first rotating head 13 has a first through hole communicating with the powder cavity 11, and one end of the powder mixing roller 20 is rotatably connected to the first through hole. The second rotating head 14 has a second through hole communicating with the powder cavity 11, and one end of the powder feeding roller 92 is rotatably connected to the second through hole.

[0038] Reference Figures 3-4 In some embodiments, the quick-release structure 70 includes a first hook 71 and a second hook 72 disposed opposite to each other on the pressure cover 80. The mixing roller 20 is provided with a first locking platform 73 and a second locking platform 74 disposed opposite to each other. The first hook 71 is engaged with the first locking platform 73, and the second hook 72 is engaged with the second locking platform 74. This arrangement can limit the first drive gear 30, the lever 40, the screw cap 50 and the reset bow 60 to the side end of the box body 10 through the pressure cover 80, and also has the advantage of quick disassembly and assembly, which is convenient for assembly and maintenance.

[0039] Reference Figures 3-4 In some embodiments, a limiting ring 52 is provided on the cap 50 and sleeved on the rotating part 16 to limit the rotation stroke of the cap 50.

[0040] Reference Figures 3-4 In some embodiments, the cap 50 is provided with a clearance groove 53 for avoiding the second drive gear 92.

[0041] Reference Figures 3-4 In some embodiments, the lever 40 is provided with an anti-slip structure 42.

[0042] The advantages of this utility model are: the above structure can not only realize the sealing and opening of the powder outlet, but also has the advantages of simple structure, compact layout and small size, which can meet the use and recycling of toner cartridges.

[0043] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications and substitutions are included within the scope defined by the claims of this application.

Claims

1. A toner cartridge having a compact drive mechanism, characterized by: It includes a box body (10), a stirring roller (20), a first drive gear (30), a lever (40), a screw cap (50), and a reset bow (60); The box body (10) is provided with a powder cavity (11) and a powder outlet (12) communicating with the powder cavity (11); The mixing roller (20) is disposed inside the powder cavity (11); The first drive gear (30) is disposed on the side end of the housing (10) and connected to the powder stirring roller (20) for docking with the drive mechanism on the photocopying equipment; The lever (40) is located on the side of the box (10) and has a drive tooth (41) thereon. The lever (40) has a closed position and a powder outlet position that can be switched between each other. The screw cap (50) is disposed on the side end of the box body (10) and is provided with a driven tooth (51) that meshes with the driving tooth (41); The reset bow (60) is disposed on the side end of the housing (10) and abuts against the lever (40) so that the lever (40) maintains the closed position or the powder dispensing position.

2. The toner cartridge having a compact drive mechanism according to claim 1, wherein: The box body (10) is provided with a first rotating head (13) and a second rotating head (14). The powder outlet (12) is provided on the second rotating head (14). The lever (40) is sleeved on the first rotating head (13). The first drive gear (30) abuts against the outside of the lever (40). The screw cap (50) is sleeved on the second rotating head (14). It also includes a pressure cap (80) connected to the powder stirring roller (20) through a quick-release structure (70). The pressure cap (80) abuts against the outside of the first drive gear (30).

3. The toner cartridge having a compact drive mechanism according to claim 2, wherein: The quick-release structure (70) includes a first hook (71) and a second hook (72) disposed opposite to each other on the pressure cap (80). The mixing roller (20) is provided with a first locking platform (73) and a second locking platform (74) disposed opposite to each other. The first hook (71) is engaged with the first locking platform (73), and the second hook (72) is engaged with the second locking platform (74).

4. The toner cartridge having a compact drive mechanism according to claim 1, wherein: The box body (10) has an abutment part (15) and a rotating part (16) on its side. The reset bow (60) is provided with an abutment arm (61), a rotating slot (62), a first clamping arm (63) and a second clamping arm (64). The abutment arm (61) abuts against the abutment part (15), the rotating slot (62) is engaged with the rotating part (16), and the first clamping arm (63) and the second clamping arm (64) are clamped on both sides of the lever (40).

5. The toner cartridge having a compact drive mechanism according to claim 4, wherein: The cap (50) is provided with a limiting ring (52) sleeved on the rotating part (16) to limit the rotation stroke of the cap (50).

6. The toner cartridge having a compact drive mechanism of claim 1, wherein: It also includes a powder feeding roller (91) and a second drive gear (92). The powder feeding roller (91) is disposed in the powder cavity (11), and the second drive gear (92) is disposed on the powder feeding roller (91) and meshes with the first drive gear (30).

7. A toner cartridge having a compact drive mechanism as defined in claim 6, wherein: The cap (50) is provided with a clearance groove (53) for avoiding the second drive gear (92).

8. The toner cartridge having a compact drive mechanism of claim 1, wherein: The dialing lever (40) is provided with an anti-skid structure (42).

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