Toner cartridge waste powder conveying structure
By designing a combination of transmission pipe, guide, and rotating connector, the blockage problem in the waste toner conveying process was solved, enabling smooth conveying and collection of waste toner and improving the reliability of toner cartridges.
Patent Information
- Application Number
- CN202520342020.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-27
AI Technical Summary
The existing toner cartridges are prone to leaving waste toner residue during the transportation process, which can cause blockages in the openings or pipes.
A waste toner cartridge conveying structure was designed, including a transmission pipe, a guide, a rotating connector, and a transmission gear. Through the cooperation of the guide line in the transmission pipe and the rotating connector, waste toner is directly conveyed from the toner drop hopper to the waste toner hopper, preventing blockage.
This effectively avoids waste powder residue and pipeline blockage, ensuring that waste powder is smoothly transported to the waste powder hopper and improving the reliability of the toner cartridge.
Smart Images

Figure CN223679528U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of selenium drum, especially a selenium drum waste powder conveying structure. BACKGROUND
[0002] The laser printer is currently used in large quantities not only in enterprises, schools and state organs, but also in family users. It has not only fast printing speed and high resolution, but also much lower printing consumable cost compared with inkjet. The selenium drum is an important component of the printer, and the selenium drum has a scraper for scraping the excess waste powder generated after the drum core is photocopied, and a waste powder bin for storing the waste powder. The existing selenium drums have many models, and in some models, the waste powder bin does not directly store the waste powder when the waste powder falls, the waste powder falls into a falling powder bin before being conveyed to the waste powder bin, and then is conveyed through an opening or a pipeline. The waste powder has adhesion, and under the interference of no external force, the waste powder is still easy to cause residue. These waste powders are difficult to clean up and are easy to block the inside of the opening or the pipeline. SUMMARY
[0003] In view of the defects of the prior art, the technical problem to be solved by the utility model is to provide a selenium drum waste powder conveying structure which can guide the waste powder in the falling powder bin to the waste powder bin, avoid waste powder residue, and prevent the inside of the conveying opening or pipeline from being blocked.
[0004] In order to achieve the above purpose, the utility model provides the following scheme:
[0005] A selenium drum waste powder conveying structure, comprising a selenium drum shell, a drum core arranged in the selenium drum shell, a scraper for scraping the waste powder of the drum core, and a waste powder bin arranged at the bottom of the selenium drum shell, characterized in that a falling powder bin is arranged below the scraper inside the selenium drum shell, a transmission pipe connecting the falling powder bin and the waste powder bin is arranged at one side of the selenium drum shell, a guide wire is arranged in the transmission pipe, rotating connecting pieces are arranged at both ends of the transmission pipe and are connected to the falling powder bin and the waste powder bin respectively, a guide piece for guiding the waste powder to the transmission pipe is arranged in the falling powder bin, the guide piece is connected to the rotating connecting piece at one side of the falling powder bin, and a transmission gear is arranged between the drum core and the rotating connecting piece at one side of the falling powder bin.
[0006] Further, the bottom of the falling powder bin in the utility model is arc-shaped, so that the waste powder is gathered to the middle part.
[0007] Further, the transmission pipe in the utility model is made of soft plastic material.
[0008] Further, the guide wire in the utility model is in a threaded shape and is distributed on the inner wall of the transmission pipe.
[0009] Further, the rotating connecting piece includes the plug-in connector which can be fixedly installed on one side of the powder falling bin or one side of the waste powder bin, an annular space is arranged in the plug-in connector, and a rotating part which can rotate is arranged in the annular space, and the rotating part is fixedly connected with the end of the transmission pipe.
[0010] Further, the guide is a spiral rod, a supporting rod is arranged on the plug-in connector on one side of the rotating part, and the spiral rod is fixed on the supporting rod.
[0011] Further, the spiral rod is tightly attached to the arc-shaped middle part of the powder falling bin.
[0012] Further, the transmission gear includes gear one arranged at one end of the drum core, gear two arranged on the rotating part on one side of the powder falling bin, and a plurality of gear three connected between the gear one and the gear two.
[0013] In summary, the utility model has the beneficial effects that, compared with the prior art:
[0014] The utility model discloses a transmission pipe and guide are set up, and waste powder can be transported to the waste powder bin, and the transmission pipe can rotate through the rotating connecting piece, and the power of rotation can be connected to the gear set of the selenium drum, and the transmission pipe is driven to rotate through the rotating connecting piece, and the waste powder can be guided to the waste powder bin through the guide wire, preventing the inside of the pipeline from being blocked.The guide can guide the waste powder from the powder falling bin into the transmission pipe under the rotation of the rotating connecting piece, preventing the waste powder from accumulating in the powder falling bin.The technical scheme solves the problem of selenium drum waste powder residue and the problem of waste powder blockage during transportation. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the three-dimensional schematic view of the utility model;
[0016] Figure 2 It is the sectional analysis schematic view of the selenium drum of the utility model;
[0017] Figure 3 It is the three-dimensional exploded schematic view of the utility model;
[0018] Figure 4 It is the three-dimensional exploded schematic view of the guide of the utility model;
[0019] Figure 5 It is the three-dimensional sectional analysis schematic view of the rotating connecting piece of the utility model;
[0020] Figure 6 It is the three-dimensional sectional analysis schematic view of the transmission pipe of the utility model. DETAILED DESCRIPTION
[0021] The utility model is further described below in combination with the drawings and specific embodiments:
[0022] As Figures 1 to 6 The utility model discloses an embodiment provides a selenium drum waste powder conveying structure, including selenium drum shell 1, the drum core 11 for scraping the waste powder of scraper 12 for scraping the drum core 11 in selenium drum shell 1, be equipped with waste powder storehouse 13 in the bottom of selenium drum shell 1, its characterized in that, is equipped with the powder falling storehouse 2 in selenium drum shell 1 inside below scraper 12, is equipped with the transmission pipe 3 of connecting powder falling storehouse 2 and waste powder storehouse 13 on one side of selenium drum shell 1, is equipped with guide line 31 in transmission pipe 3, is equipped with rotating joint 4 respectively in transmission pipe 3 both ends and is connected to powder falling storehouse 2 and waste powder storehouse 13, is equipped with guide 5 in powder falling storehouse 2 and is guided to transmission pipe 3 with waste powder, guide 5 is fixed in the rotating joint 4 of one side of powder falling storehouse 2 and is connected, is equipped with transmission gear 6 between the drum core 11 and the rotating joint 4 of one side of powder falling storehouse 2. The waste powder can directly fall into the powder falling storehouse below the scraper, and the waste powder in the powder falling storehouse can be guided into the transmission pipe and enter the waste powder storehouse through the guide, the rotation of the guide is realized through the rotatable function of the rotating joint, the transmission pipe has the guide line, and the transmission pipe can rotate under the action of the rotating joint, and the waste powder can be guided to the waste powder storehouse when rotating in cooperation with the guide line. The rotation of the rotating joint and the drum core can be connected to the gear set of the selenium drum through the transmission gear.
[0023] The bottom of the powder falling storehouse 2 is arc-shaped, so that the waste powder is gathered to the middle part. The bottom of the powder falling storehouse is arc-shaped, so that the waste powder can slide to the middle part along the arc-shaped wall surface after falling, thereby contacting the guide.
[0024] The transmission pipe 3 is made of soft plastic material in the utility model. The transmission pipe can be bent by using the soft plastic material, so as to be connected to the powder falling storehouse and the waste powder storehouse, and the rotation of the transmission pipe is facilitated.
[0025] The guide line 31 is in the form of a screw thread and is arranged on the inner wall of the transmission pipe 3. The guide line in the form of a screw thread has the guiding ability of guiding the waste powder into the waste powder storehouse when the transmission pipe rotates, so as to avoid the blockage or accumulation of the waste powder in the pipe.
[0026] The utility model discloses a rotatory connecting piece 4 includes the plug connector 41 of fixed installation on the one side of powder falling bin 2 or the one side of waste powder bin 13 surface, be equipped with annular space 42 in the plug connector 41, rotatable rotating part 43 is arranged in the annular space 42, the rotating part 43 is fixedly connected with the end of transmission pipe 3. The connection of plug connector and powder falling bin and waste powder bin is fixed connection, and the annular space in the inside can rotate rotating part in it, and the fixed connection of rotating part and transmission pipe end makes transmission pipe have the rotation ability, and when actually using, can set up ball or lubricant in rotating part and annular space, to make transmission pipe can rotate smoothly. The guide, transmission pipe, transmission gear are all connected with rotating part, so the rotation can be realized. The shape of rotating part is tubular, and the outer wall of the tubular has the protruding annular for clamping in the annular space, and rotating part can be fixed point rotation in the plug connector.
[0027] The utility model discloses a guide 5 is spiral rod, be equipped with support rod 51 on the rotating part 43 of one side of powder falling bin 2, the spiral rod is fixed and set up on support rod 51. Spiral rod rotation can drive rotating through the rotation of rotating part, and the waste powder is taken into transmission pipe. The support rod is the key component of connecting spiral rod and rotating part, and is rod-shaped and small in size, and will not hinder the waste powder passing.
[0028] The utility model discloses a spiral rod bottom close arc middle part of powder falling bin 2. The setting position can maximize contact waste powder.
[0029] The utility model discloses a transmission gear 6 includes having set up in the gear wheel one 61 of drum core 11 one end, the gear wheel two 62 of setting on the rotating part 43 of one side of powder falling bin 2 and the several gear wheel three 63 of connecting between gear wheel one 61 and gear wheel two 62. Gear wheel two is equipped with setting on the rotating part of one side of powder falling bin, makes the rotating part can be rotated by other gear wheel, and the number of gear wheel three is indefinite, and its function is the linkage gear wheel one and gear wheel two and other rotating parts of selenium drum.
[0030] The utility model discloses a rotatory connecting piece 4 includes the plug connector 41 of fixed installation on the one side of powder falling bin 2 or the one side of waste powder bin 13 surface, be equipped with annular space 42 in the plug connector 41, rotatable rotating part 43 is arranged in the annular space 42, the rotating part 43 is fixedly connected with the end of transmission pipe 3. The connection of plug connector and powder falling bin and waste powder bin is fixed connection, and the annular space in the inside can rotate rotating part in it, and the fixed connection of rotating part and transmission pipe end makes transmission pipe have the rotation ability, and when actually using, can set up ball or lubricant in rotating part and annular space, to make transmission pipe can rotate smoothly. The guide, transmission pipe, transmission gear are all connected with rotating part, so the rotation can be realized. The shape of rotating part is tubular, and the outer wall of the tubular has the protruding annular for clamping in the annular space, and rotating part can be fixed point rotation in the plug connector. The utility model discloses a rotatory connecting piece 4 includes the plug connector 41 of fixed installation on the one side of powder falling bin 2 or the one side of waste powder bin 13 surface, be equipped with annular space 42 in the plug connector 41, rotatable rotating part 43 is arranged in the annular space 42, the rotating part 43 is fixedly connected with the end of transmission pipe 3. The connection of plug connector and powder falling bin and waste powder bin is fixed connection, and the annular space in the inside can rotate rotating part in it, and the fixed connection of rotating part and transmission pipe end makes transmission pipe have the rotation ability, and when actually using, can set up ball or lubricant in rotating part and annular space, to make transmission pipe can rotate smoothly. The guide, transmission pipe, transmission gear are all connected with rotating part, so the rotation can be realized. The shape of rotating part is tubular, and the outer wall of the tubular has the protruding annular for clamping in the annular space, and rotating part can be fixed point rotation in the plug connector.
Claims
1. A waste toner conveying structure of a selenium drum, comprising a selenium drum shell (1), a drum core (11) arranged in the selenium drum shell (1), a doctor blade (12) for scraping off the waste toner of the drum core (11), and a waste toner bin (13) arranged at the bottom of the selenium drum shell (1), characterized in that, The toner cartridge (1) is internally provided with a powder falling bin (2) below the doctor blade (12), and a transmission pipe (3) is arranged on one side of the toner cartridge (1) and connected with the powder falling bin (2) and a waste powder bin (13), a guide wire (31) is arranged in the transmission pipe (3), and rotary connecting members (4) are arranged at both ends of the transmission pipe (3) and connected with the powder falling bin (2) and the waste powder bin (13) respectively, a guide member (5) is arranged in the powder falling bin (2) and used to guide the waste powder to the transmission pipe (3), the guide member (5) is connected with the rotary connecting member (4) on one side of the powder falling bin (2), and a transmission gear (6) is arranged between the drum core (11) and the rotary connecting member (4) on one side of the powder falling bin (2).
2. The waste powder conveying structure of a selenium drum according to claim 1, wherein: The bottom of the powder falling bin (2) is arc-shaped so as to gather the waste powder to the middle part.
3. The waste powder conveying structure of a selenium drum according to claim 1, wherein: The transmission pipe (3) is made of soft plastic material.
4. The waste powder conveying structure of a selenium drum according to claim 1, wherein: The guide wire (31) is in a screw thread shape and arranged on the inner wall of the transmission pipe (3).
5. The waste powder conveying structure of a selenium drum according to any one of claims 1-4, characterized in that: The rotary connecting member (4) comprises a plug (41) which is fixedly installed on one side of the powder falling bin (2) or on one side of the surface of the waste powder bin (13), an annular space (42) is arranged in the plug (41), a rotary part (43) is arranged in the annular space (42) and fixedly connected with the end of the transmission pipe (3).
6. The waste powder conveying structure of the selenium drum according to claim 5, wherein: The guide member (5) is a screw rod, a supporting rod (51) is arranged on the rotary part (43) on one side of the powder falling bin (2), and the screw rod is fixedly arranged on the supporting rod (51).
7. The waste powder conveying structure of the selenium drum according to claim 6, characterized in that: The bottom of the screw rod is close to the arc-shaped middle part of the powder falling bin (2).
8. The waste powder conveying structure of the selenium drum according to claim 5, wherein: The transmission gear (6) comprises a gear one (61) arranged at one end of the drum core (11), a gear two (62) arranged on the rotary part (43) on one side of the powder falling bin (2), and a plurality of gear threes (63) connected between the gear one (61) and the gear two (62).