Toner cartridge structure

Abstract

The utility model discloses a selenium drum structure which comprises a waste powder bin and a drum core, the left side and the right side of the waste powder bin are respectively provided with a pin shaft hole and a transmission shaft hole, the drum core comprises a drum core body, the left side of the drum core body is provided with a rotary connecting element, the rotary connecting element is provided with a pin hole, and a pin shaft penetrates through the pin shaft hole. The pin shaft is movably inserted into the pin hole; a transmission shaft hole is formed in the drum core body, a transmission connecting element is arranged on the right side of the drum core body, the transmission connecting element is connected with a transmission head, the transmission connecting element and the transmission head are of an integrated structure, and the transmission head is rotationally arranged in the transmission shaft hole. According to the utility model, the pin shaft is connected with one end of the selenium drum, and the transmission head and the transmission connecting element are integrally formed, so that the use of an iron shaft is avoided, the overall weight can be reduced, the production cost is reduced, and the production requirements are met.

Description

Technical Field

[0001] The utility model relates to the technical field of printer toner cartridges, in particular to a toner cartridge structure. Background Art

[0002] See also Figure 8 The existing drum core structure of toner cartridges suffers from the use of a single iron shaft 60 that runs through the entire drum core body 210 and serves as the main shaft. One end of the iron shaft 60 connects to the drive head 250 and the printer's internal transmission system for transmission. This drum core structure presents a technical problem: the iron shaft 60's presence throughout the entire drum core body contributes to its overall weight, preventing weight reduction. Furthermore, the high material cost of this iron shaft hinders cost reduction, requiring further improvement. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a toner cartridge structure with a light drum core and low production cost.

[0004] A toner cartridge structure designed for this purpose includes a waste toner bin and a drum core, wherein a pin shaft hole and a transmission shaft hole are respectively provided on the left and right sides of the waste toner bin. The drum core includes a drum core body, and a rotating connecting element is provided on the left side of the drum core body. The rotating connecting element is provided with a pin hole, and a pin shaft is passed through the pin shaft hole, and the pin shaft is movably inserted into the pin hole.

[0005] A transmission connection element is provided on the right side of the drum core body, the transmission connection element is connected to a transmission head, the transmission connection element and the transmission head are an integrated structure, and the transmission head is rotatably provided in the transmission shaft hole.

[0006] Preferably, a side cover is detachably connected to the left side of the waste toner bin, and the side cover is provided with a limiting portion that abuts against the left end of the pin shaft for limiting position.

[0007] Preferably, the side cover is detachably connected to a chip holder.

[0008] Preferably, the chip bracket is provided with a plurality of buckles, and the side cover is provided with buckle grooves at positions corresponding to the buckles, and the buckles are engaged with the buckle grooves.

[0009] Preferably, a conductive sheet is further included, and a mounting post is provided on either side of the waste toner bin. The conductive sheet includes a sleeve portion and an extended conductive portion, and the sleeve portion is detachably connected to the mounting post.

[0010] Preferably, the sleeve portion includes a fitting positioning portion that fits with the end of the mounting post away from the waste toner bin, and a bent portion that fits with the side wall of the mounting post is provided around the fitting positioning portion;

[0011] The extended conductive portion is connected to any one of the bent portions;

[0012] A positioning groove is provided on the side wall of the installation column, and a positioning spring piece inserted into the positioning groove is provided on the bent portion.

[0013] Compared to the prior art, the present invention features a pin extending through the pin hole and movably inserted into the pin hole. A transmission connection element is provided on the right side of the drum core body, connected to a transmission head. The transmission connection element and the transmission head are integrally formed, and the transmission head is rotatably disposed within the transmission shaft hole. The present invention utilizes a pin connected to one end of the toner cartridge, and the transmission head and transmission connection element are integrally formed, eliminating the need for an iron shaft. This reduces overall weight and production costs, meeting production requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is one of the schematic diagrams of the three-dimensional structure of the toner cartridge;

[0015] Figure 2 Schematic diagram of the exploded structure of the toner cartridge;

[0016] Figure 3 This is the second schematic diagram of the three-dimensional structure of the toner cartridge;

[0017] Figure 4 This is the third schematic diagram of the three-dimensional structure of the toner cartridge;

[0018] Figure 5 This is a schematic diagram of the exploded structure of the chip holder and the toner cartridge;

[0019] Figure 6 This is the fourth schematic diagram of the three-dimensional structure of the toner cartridge;

[0020] Figure 7 The fifth schematic diagram of the three-dimensional structure of the toner cartridge;

[0021] Figure 8 It is a schematic diagram of the existing drum core structure. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] See also Figure 1-Figure 7A toner cartridge structure includes a waste toner bin 10 and a drum core 20. A pin hole 110 and a drive shaft hole 120 are respectively provided on the left and right sides of the waste toner bin 10. The drum core 20 includes a drum core body 210. A rotating connecting element 220 is provided on the left side of the drum core body 210. The rotating connecting element 220 is provided with a pin hole 221. A pin 230 is passed through the pin hole 110 and movably inserted into the pin hole 221. A drive connecting element 240 is provided on the right side of the drum core body 210. The drive connecting element 240 is connected to a drive head 250. The drive connecting element 240 and the drive head 250 are an integral structure. The drive head 250 is rotatably disposed in the drive shaft hole 120. The utility model adopts a pin shaft connected to one end of the toner cartridge, and the drive head and the drive connecting element are integrally formed, eliminating the use of an iron shaft, which can reduce the overall weight and production costs, meeting production requirements.

[0024] See also Figure 3 The left side of the waste toner bin 10 is detachably connected to a side cover 30, which is provided with a stopper 310 that abuts against the left end of the pin 230. The stopper 310 is used to constrain the pin 230 so that it cannot escape to the left from the pin hole 110.

[0025] See also Figure 4 and Figure 5 The side cover 30 is detachably connected to the chip bracket 40.

[0026] See also Figure 5 The chip holder 40 is provided with a plurality of buckles 410, and the side cover 30 is provided with buckle grooves 330 at positions corresponding to the buckles 410. The buckles 410 are engaged with the buckle grooves 330. The buckle connection not only facilitates assembly but also eliminates the need for screws, saving material costs.

[0027] See also Figure 6 and Figure 7 , further comprising a conductive sheet 50. Mounting posts 130 are provided on either side of the waste toner bin 10. The conductive sheet 50 comprises a sleeve portion 510 and an extended conductive portion 520. The sleeve portion 510 is detachably connected to the mounting posts 130. Positioning the conductive sheet 50 in the waste toner bin 10 ensures that the conductive sheet 50 and the charging roller 70 are in close contact and electrically conductive. This prevents misalignment of the conductive sheet 50 and potential impact on conductivity if the side cover 30 is misaligned, or if the side cover 30 is misaligned in other circumstances.

[0028] See also Figure 6 and Figure 7The sleeve portion 510 includes a fitting and positioning portion 511 that fits with the end of the mounting post 130 away from the waste toner bin 10, and a bent portion 512 that fits with the side wall of the mounting post 130 is provided around the fitting and positioning portion 511;

[0029] The extended conductive portion 520 is connected to any one of the bent portions 512;

[0030] A positioning groove 131 is provided on the side wall of the mounting post 130 , and a positioning spring 530 inserted into the positioning groove 131 is provided on the bent portion 512 .

[0031] During assembly, the sleeve portion 510 is plugged into the mounting post 130 . During the plug-in assembly process, the positioning spring 530 is snapped into the positioning groove 131 to achieve rapid fixation.

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A toner cartridge structure, comprising a waste toner bin (10) and a drum core (20), wherein a pin shaft hole (110) and a transmission shaft hole (120) are respectively provided on the left and right sides of the waste toner bin (10), characterized in that: The drum core (20) includes a drum core body (210), a rotating connecting element (220) is provided on the left side of the drum core body (210), the rotating connecting element (220) is provided with a pin hole (221), a pin shaft (230) is passed through the pin shaft hole (110), and the pin shaft (230) is movably inserted into the pin hole (221); A transmission connection element (240) is provided on the right side of the drum core body (210), and the transmission connection element (240) is connected to a transmission head (250). The transmission connection element (240) and the transmission head (250) are an integrated structure, and the transmission head (250) is rotatably arranged in the transmission shaft hole (120).

2. A toner cartridge structure according to claim 1, characterized in that: The left side of the waste powder bin (10) is detachably connected to a side cover (30), and the side cover (30) is provided with a limiting portion (310) that abuts against the left end of the pin shaft (230) to limit the position.

3. A toner cartridge structure according to claim 2, characterized in that: The side cover (30) is detachably connected to a chip bracket (40).

4. A toner cartridge structure according to claim 3, characterized in that: The chip bracket (40) is provided with a plurality of buckles (410), and the side cover (30) is provided with a buckle groove (330) at a position corresponding to the buckle (410), and the buckle (410) is engaged with the buckle groove (330).

5. The toner cartridge structure according to claim 1, wherein: It also includes a conductive sheet (50), and a mounting post (130) is provided on either side of the waste powder bin (10). The conductive sheet (50) includes a sleeve portion (510) and an extended conductive portion (520), and the sleeve portion (510) is detachably connected to the mounting post (130).

6. A toner cartridge structure according to claim 5, characterized in that: The sleeve portion (510) includes a fitting positioning portion (511) fitted with one end of the installation plug post (130) away from the waste powder bin (10), and a bent portion (512) is provided around the fitting positioning portion (511) and fitted with a side wall of the installation plug post (130); The extended conductive portion (520) is connected to any one of the bent portions (512); A positioning groove (131) is provided on the side wall of the installation plug post (130), and a positioning spring (530) inserted into the positioning groove (131) is provided on the bending portion (512).

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