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CN-224216995-U - Drum powder box protection cover and drum powder box

CN224216995UCN 224216995 UCN224216995 UCN 224216995UCN-224216995-U

Abstract

The utility model discloses a toner cartridge protective cover which comprises an upper plate, a lower plate and a side plate, wherein the right end of the upper plate is provided with a hook part, the hook part is used for hooking a tilting part of a toner cartridge, the left end of the upper plate is connected with the upper end of the side plate, the left end of the lower plate is connected with the side plate, the front end and the rear end of the upper plate extend downwards to form an upper front guard plate and an upper rear guard plate respectively, the front end and the rear end of the lower plate extend upwards to form a lower front guard plate and a lower rear guard plate respectively, a space formed between the upper plate and the lower plate is matched with a space of the end part corresponding to the toner cartridge, and the upper plate, the lower plate and the side plate are made of plastic materials respectively. The protection cover of the toner cartridge can prevent dust from entering the toner cartridge from the laser projection port, and can protect components in the toner cartridge. The protective cover of the powder box is convenient to install and use and can be repeatedly used. The utility model also discloses a toner cartridge.

Inventors

  • ZHOU MINGHUA

Assignees

  • 佛山市顺德区高宝实业发展有限公司

Dates

Publication Date
20260508
Application Date
20250526

Claims (8)

  1. 1. A protection cover for a powder-blowing box is characterized by comprising an upper plate, a lower plate and a side plate, wherein the right end of the upper plate is provided with a hook part, the hook part is used for hooking a tilting part of the powder-blowing box, the left end of the upper plate is connected with the upper end of the side plate, the left end of the lower plate is connected with the side plate, the front end and the rear end of the upper plate extend downwards to form an upper front protection plate and an upper rear protection plate respectively, the front end and the rear end of the lower plate extend upwards to form a lower front protection plate and a lower rear protection plate respectively, a space formed between the upper plate and the lower plate is matched with a space of the end part corresponding to the powder-blowing box, and the upper plate, the lower plate and the side plate are made of plastic materials respectively.
  2. 2. The toner cartridge shield of claim 1 wherein the front end of the upper plate extends beyond the side front guard toward the right end of the upper plate.
  3. 3. The toner cartridge shield of claim 1 wherein the rear end of the upper plate extends beyond the side rear guard toward the right end of the upper plate.
  4. 4. The toner cartridge protective cover as claimed in claim 2, wherein the side front guard is integrally connected with the upper front guard and the lower front guard.
  5. 5. A toner cartridge protective cover as claimed in claim 3, wherein the side rear guard is integrally connected with the upper rear guard and the lower rear guard.
  6. 6. The toner cartridge protecting cover as claimed in claim 1, wherein the right end of the lower plate is provided with a photosensitive drum placing groove.
  7. 7. The toner cartridge protecting cover as claimed in claim 6, wherein the wall of the photosensitive drum accommodating groove is arc-shaped.
  8. 8. The powder box comprises a main body frame, a shell, a photosensitive drum and a waste powder bin, wherein the main body frame is positioned in the shell, the photosensitive drum is arranged on the main body frame, a laser projection opening is formed in the top surface of the shell, a tilting part is formed in the shell, the powder box protecting cover comprises an upper plate, a lower plate and a side plate, a hook part is arranged at the right end of the upper plate and used for hooking the tilting part, the left end of the upper plate is connected with the upper end of the side plate, the left end of the side plate is connected with the side plate, the front end and the rear end of the upper plate extend out of an upper front guard plate and an upper rear guard plate in the direction of the lower plate respectively, the front end and the rear end of the lower plate extend out of a lower front guard plate and a lower rear guard plate in the direction of the upper plate respectively, the lower plate is positioned below the corresponding end of the powder box, a space formed between the upper plate and the lower plate is matched with the corresponding end space of the powder box, the corresponding end of the waste powder box is the laser projection opening of the upper plate, and the laser projection opening of the waste powder bin is contained in the powder box.

Description

Drum powder box protection cover and drum powder box Technical Field The utility model relates to a protective cover of a powder-blowing box, and also relates to a powder-blowing box, belonging to the technical field of powder-blowing boxes. Background The main part of the drum powder box of the laser printer in the prior art comprises a main body frame, a shell, a photosensitive drum, a powder bin and a waste powder bin, wherein the main body frame is positioned in the shell, the photosensitive drum is arranged on the main body frame, and a laser projection port is arranged on the top surface of the shell. It is well known that there is always a wide variety of dust in the environment which can enter the toner cartridge before it is not in use, contaminating the photosensitive drum and other critical components within the housing, particularly mainly from the laser projection port on the top surface of the housing. Disclosure of utility model The utility model aims to provide the protective cover for the powder drum box, which can realize dust protection on the powder drum box, and has the advantages of convenient use and simple structure. Another technical problem to be solved by the utility model is to provide a powder-blowing box which can realize dust-proof protection. The utility model relates to a powder box protective cover, which can adopt the following technical scheme: a protection cover for a toner cartridge comprises an upper plate, a lower plate and a side plate, wherein the right end of the upper plate is provided with a hook part, the hook part is used for hooking a tilting part of the toner cartridge, the left end of the upper plate is connected with the upper end of the side plate, the left end of the lower plate is connected with the side plate, the front end and the rear end of the upper plate extend downwards to form an upper front protection plate and an upper rear protection plate respectively, the front end and the rear end of the lower plate extend upwards to form a lower front protection plate and a lower rear protection plate respectively, a space formed between the upper plate and the lower plate is matched with a space of an end part corresponding to the toner cartridge, and the upper plate, the lower plate and the side plate are made of plastic materials respectively. The utility model can further take the following improvement measures: A further improvement measure is that the front end of the upper plate extends out of the side front guard plate towards the right end of the upper plate. A further improvement measure is that the rear end of the upper plate extends out of the side rear guard plate towards the right end of the upper plate. The further improvement measure is that the side front guard board is connected with the upper front guard board and the lower front guard board into a whole. The further improvement measure is that the side rear guard plate is connected with the upper rear guard plate and the lower rear guard plate into a whole. A further improvement measure is that the right end of the lower plate is provided with a photosensitive drum placing groove. Further improvement measures are that the groove wall of the photosensitive drum placing groove is arc-shaped. The utility model provides a powder-blowing box which can adopt the following technical scheme: A toner cartridge comprises a main body frame, a shell, a photosensitive drum and a waste toner bin, wherein the main body frame is arranged in the shell, the photosensitive drum is arranged on the main body frame, a laser projection opening is formed in the top surface of the shell, a tilting part is arranged on the shell, the toner cartridge is further provided with a toner cartridge protective cover, the toner cartridge protective cover comprises an upper plate, a lower plate and a side plate, the right end of the upper plate is provided with a hook part, the hook part is used for hooking the tilting part, the left end of the upper plate is connected with the upper end of the side plate, the left end of the side plate is connected with the side plate, the front end and the rear end of the upper plate extend out of an upper front guard plate and an upper rear guard plate respectively in the downward plate direction, the front end and the rear end of the lower plate extend out of a lower front guard plate and a lower rear guard plate respectively in the upward plate direction, the upper plate is positioned above the corresponding end of the toner cartridge, the lower plate is positioned below the corresponding end of the toner cartridge, a space formed between the upper plate and the lower plate is matched with the corresponding end space of the toner cartridge, and the upper plate shields the laser projection opening. The technical scheme has the following technical effects: 1. The protective cover of the toner cartridge can prevent dust from entering the toner cartridge from the laser projection port, an