Toner cartridge heat dissipation structure

By introducing a water tank and radiator cooling system into the toner cartridge, the problem of high temperature caused by insufficient heat dissipation of the toner cartridge is solved, achieving rapid heat dissipation, extending the service life of the toner cartridge, and improving print quality.

CN224081946UActive Publication Date: 2026-04-03GUANGZHOU DAYUAN SMART OFFICE EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing laser printer toner cartridges suffer from rapid internal temperature rises due to insufficient heat dissipation during prolonged use, affecting their lifespan and print quality.

Method used

A toner cartridge heat dissipation structure was designed, comprising a water tank, a heat dissipation shell, an air inlet, heat dissipation fins, and a radiator. Heat is carried away by cold water circulation and airflow to achieve rapid heat dissipation.

Benefits of technology

It effectively reduces the internal temperature of the toner cartridge, extends its service life, and improves print quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224081946U_ABST
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Abstract

The utility model provides a selenium drum heat dissipation structure which comprises a printer selenium drum, a water tank is fixedly connected to the middle of the rear side of the printer selenium drum, heat dissipation shells are fixedly connected to the two sides of the water tank, and air inlet cylinders are fixedly connected to the tops and the lower portions of the heat dissipation shells. According to the selenium drum heat dissipation structure, the water tank, the air inlet cylinder and the heat dissipation shell are arranged, rapid heat dissipation of the printer selenium drum is facilitated, the water pump is started, so that cold water in the water tank enters the flow dividing pipe through the heat dissipation pipe on the right side, then enters the flow dividing pipe on the left side through the heat absorption pipe, and then flows back to the box body through the heat dissipation pipe on the left side; therefore, the cold water can circularly flow, heat in the cold water conducted to the heat absorption pipe can be continuously taken away, the heat of the selenium drum body is further reduced, the cold water absorbing the heat can be quickly cooled under the action of the radiator, the heat dissipation fins and the heat dissipation disc, and the heat absorption effect of the cold water is better.
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Description

Technical Field

[0001] This utility model belongs to the technical field of toner cartridge equipment, and more specifically, it relates to a toner cartridge heat dissipation structure. Background Technology

[0002] The toner cartridge is an important component of a printer. In laser printers, most of the imaging components are concentrated in the toner cartridge, so the print quality largely depends on it. The toner cartridge is relatively easy to replace. Its main components are the housing, photosensitive drum, magnetic drum, and toner cartridge. Currently, the photosensitive drum, magnetic drum, and toner cartridge themselves are all quite mature in development.

[0003] Existing laser printer toner cartridges generate a lot of heat due to prolonged use. If heat is not dissipated in time, the temperature of the toner cartridge can rise rapidly. Being in a high-temperature environment for a long time can cause the internal components of the toner cartridge to age, reducing its lifespan and print quality. Summary of the Invention

[0004] The purpose of this invention is to provide a heat dissipation structure for a toner cartridge with good heat dissipation performance.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A toner cartridge heat dissipation structure is provided, including a printer toner cartridge. A water tank is fixedly connected to the middle of the rear side of the printer toner cartridge. Heat dissipation shells are fixedly connected to both sides of the water tank. Air inlets are fixedly connected to the top and bottom of the heat dissipation shells. The water tank includes a housing fixedly connected to the rear side of the printer toner cartridge. A water inlet cap is threadedly connected to the top of the housing. Heat dissipation fins are fixedly connected to the outer side of the housing. Heat dissipation pipes are fixedly connected to both sides of the housing. A water pump is installed on the heat dissipation pipe on the right side. A heat dissipation plate is fixedly connected to the outer side of the heat dissipation pipe. A diverter pipe is fixedly connected to the outer end of the heat dissipation pipe. A heat absorption pipe is fixedly connected to the outer side of the diverter pipe.

[0006] Optionally, the printer drum includes a drum body, with a toner filling cover threaded to the top of the drum body and a waste cover threaded to the right side of the drum body.

[0007] Optionally, the heat dissipation shell includes a shell fixedly connected to both sides of the box body, a dustproof window is placed on the rear side of the shell, a fixing device is movably connected inside the dustproof window, and a heat sink is fixedly connected inside the shell.

[0008] Optionally, the fixing device includes a rotating block movably connected inside the dustproof window, wherein a stud is fixedly connected inside the rotating block, and a plug is threadedly connected to the outside of the stud.

[0009] Optionally, the dustproof window includes a fixed frame placed on the rear side of the housing, and a dustproof leaf is fixedly connected to the inner side of the fixed frame.

[0010] Optionally, the radiator includes a fixed column fixedly connected inside the housing, a fixed sleeve fixedly connected to the right end of the fixed column, a support column fixedly connected to the inner side of the fixed sleeve, a motor fixedly connected to the inner side of the support column, and a fan blade fixedly connected to the output end of the motor.

[0011] Optionally, the air inlet duct includes a connecting cylinder fixedly connected to the top and bottom of the housing, a cylinder body fixedly connected to the left side of the connecting cylinder, and a dustproof plate fixedly connected to the left side of the cylinder body.

[0012] Optionally, both the heat sink fins and the heat sink plate are made of aluminum alloy.

[0013] The technical effects and advantages of this utility model are as follows:

[0014] The toner cartridge heat dissipation structure provided by this utility model, compared with the prior art, facilitates rapid heat dissipation of the printer toner cartridge by incorporating a water tank, an air inlet, and a heat dissipation shell. During use, cold water is added to the housing by unscrewing the water inlet cap. Activating the water pump causes the cold water in the tank to flow through the heat dissipation pipe on the right side into the distribution pipe, then through the heat absorption pipe into the distribution pipe on the left side, and finally back into the housing through the heat dissipation pipe on the left side. This circulation of cold water continuously removes heat from the water in the heat absorption pipe, thereby reducing the heat of the toner cartridge itself. The heat dissipation fins dissipate heat from the water in the housing, and the heat dissipation plate dissipates heat from the water in the heat dissipation pipe, ensuring that the water, having absorbed heat, cools down quickly, effectively cooling the toner cartridge itself. Furthermore, the airflow generated by activating the radiator blows towards the heat dissipation pipe, ensuring even faster cooling of the water in the pipe. The airflow from the air inlet allows the airflow driven by the radiator to adhere to the top and bottom of the printer toner cartridge, carrying away some heat and further dissipating it. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 A schematic diagram of the overall structure of the toner cartridge heat dissipation structure provided in this embodiment of the utility model;

[0017] Figure 2 A schematic cross-sectional view of the heat dissipation shell and air inlet of the toner cartridge heat dissipation structure provided in this embodiment of the utility model.

[0018] Figure 3 A schematic diagram of the heat dissipation shell structure of the toner cartridge heat dissipation structure provided in this embodiment of the utility model;

[0019] Figure 4 A schematic diagram of the overall structure of the fixing device for the heat dissipation structure of the toner cartridge provided in this embodiment of the utility model;

[0020] Figure 5 A schematic diagram of the overall structure of the heat sink for the toner cartridge heat dissipation structure provided in this embodiment of the utility model;

[0021] Figure 6 A schematic diagram of the overall structure of the water tank for the heat dissipation structure of the toner cartridge provided in this embodiment of the utility model.

[0022] The following are the labeling elements in the figure:

[0023] 1-Printer drum; 101-Drum body; 102-Waste filler cap; 103-Toner filling cap; 2-Heat dissipation shell; 201-Shell; 202-Fixing device; 2021-Transfer block; 2022-Stud; 2023-Insertion post; 203-Dustproof window; 2031-Fixing frame; 2032-Dustproof leaf; 204-Radiator; 2041-Fixing sleeve; 2042-Fixing column; 2043-Fan blade; 2044-Motor; 2045-Support column; 3-Water tank; 301-Casing; 302-Water inlet cap; 303-Heat dissipation fins; 304-Heat dissipation pipe; 305-Water pump; 306-Heat dissipation plate; 307-Diverter pipe; 308-Heat absorption pipe; 4-Air inlet duct; 401-Connecting cylinder; 402-Cylinder body; 403-Dustproof plate. Detailed Implementation

[0024] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0026] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation 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] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] Reference Figures 1 to 4 The following describes the heat dissipation structure of the toner cartridge provided in this embodiment of the present invention. The heat dissipation structure includes a printer toner cartridge 1. A water tank 3 is fixedly connected to the middle of the rear side of the printer toner cartridge 1. Heat dissipation shells 2 are fixedly connected to both sides of the water tank 3. Air inlets 4 are fixedly connected to the top and bottom of the heat dissipation shells 2. The water tank 3 includes a housing 301 fixedly connected to the rear side of the printer toner cartridge 1. A water inlet cap 302 is threadedly connected to the top of the housing 301. Heat dissipation fins 303 are fixedly connected to the outer side of the housing 301. Heat dissipation pipes 304 are fixedly connected to both sides of the housing 301. A water pump 305 is installed on the right heat dissipation pipe 304. A heat dissipation plate 306 is fixedly connected to the outer side of the heat dissipation pipe 304. A diversion pipe 307 is fixedly connected to the outer end of the heat dissipation pipe 304. A heat absorption pipe 308 is fixedly connected to the outer side of the diversion pipe 307. Cold water is added to the housing 301 by unscrewing the water inlet cap 302. The water pump 305 is activated, causing the cold water in the water tank 3 to enter the distribution pipe 307 through the heat dissipation pipe 304 on the right side. Then, it enters the distribution pipe 307 on the left side through the heat absorption pipe 308, and then flows back to the housing 301 through the heat dissipation pipe 304 on the left side. This allows the cold water to circulate, so that the heat conducted to the cold water in the heat absorption pipe 308 can be continuously carried away, thereby reducing the heat of the toner cartridge body 101. The heat dissipation fins 303 are used to dissipate heat from the water in the housing 301, and the heat dissipation plate 306 is used to dissipate heat from the water in the heat dissipation pipe 304. This ensures that the cold water that has absorbed heat can be cooled down quickly, thereby ensuring that it can effectively cool down the toner cartridge body 101. In addition, the air generated by activating the radiator 204 can be blown towards the heat dissipation pipe 304, ensuring that the water in the heat dissipation pipe 304 can be cooled down even faster.

[0029] Furthermore, the printer drum 1 includes a drum body 101, with a toner filling cover 103 threadedly connected to the top of the drum body 101 and a waste cover 102 threadedly connected to the right side of the drum body 101. Toner can be added to the drum body 101 by opening the toner filling cover 103, and waste can be emptied from the inside of the drum body 101 by opening the waste cover 102.

[0030] Furthermore, the heat dissipation shell 2 includes a shell 201 fixedly connected to both sides of the box body 301. A dustproof window 203 is placed on the rear side of the shell 201. A fixing device 202 is movably connected inside the dustproof window 203. A radiator 204 is fixedly connected inside the shell 201. The dustproof window 203 is used for dust prevention. A slot for inserting a post 2023 is provided on the inner side of the rear side of the shell 201.

[0031] Furthermore, the fixing device 202 includes a rotating block 2021 movably connected inside the dustproof window 203. A stud 2022 is fixedly connected inside the rotating block 2021, and an insert 2023 is threadedly connected to the outside of the stud 2022. By moving the rotating block 2021, the stud 2022 can be rotated, and by rotating forward and backward, the insert 2023 can be raised and lowered outside the stud 2022, so that it can be inserted into the housing 201, thereby fixing the dustproof window 203 to the housing 201.

[0032] Furthermore, the dustproof window 203 includes a fixed frame 2031 placed on the rear side of the housing 201. A dustproof leaf 2032 is fixedly connected to the inner side of the fixed frame 2031. The dustproof leaf 2032 is obliquely arranged on the inner side of the fixed frame 2031 and has a certain dustproof effect.

[0033] Furthermore, the radiator 204 includes a fixed column 2042 fixedly connected inside the housing 201. A fixed sleeve 2041 is fixedly connected to the right end of the fixed column 2042. A support column 2045 is fixedly connected to the inner side of the fixed sleeve 2041. A motor 2044 is fixedly connected to the inner side of the support column 2045. A fan blade 2043 is fixedly connected to the output end of the motor 2044. Starting the motor 2044 enables the fan blade 2043 to rotate, which generates airflow that blows towards the heat dissipation pipe 304, allowing the water in the heat dissipation pipe 304 to cool down more quickly.

[0034] Furthermore, the air inlet duct 4 includes a connecting tube 401 fixedly connected to the top and bottom of the housing 201. A cylinder body 402 is fixedly connected to the left side of the connecting tube 401, and a dustproof plate 403 is fixedly connected to the left side of the cylinder body 402. The dustproof plate 403 is used for dust prevention. When the radiator 204 is started, the outside air enters the heat dissipation shell 2 through the air inlet duct 4. The air flow can carry away some of the heat from the top and bottom of the toner cartridge body 101, ensuring better heat dissipation.

[0035] Furthermore, both the heat dissipation fins 303 and the heat dissipation plate 306 are made of aluminum alloy. Aluminum alloy has high strength and is not easily deformed under long-term hot and cold conditions, resulting in a longer service life.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A heat dissipation structure for a printer drum, comprising a printer drum (1), characterized in that: A water tank (3) is fixedly connected to the middle of the rear side of the printer drum (1). A heat sink (2) is fixedly connected to both sides of the water tank (3). An air inlet (4) is fixedly connected to the top and bottom of the heat sink (2). The water tank (3) includes a housing (301) fixedly connected to the rear side of the printer drum (1). A water inlet cover (302) is threadedly connected to the top of the housing (301). Heat sink fins (303) are fixedly connected to the outer side of the housing (301). Heat sink pipes (304) are fixedly connected to both sides of the housing (301). A water pump (305) is installed on the heat sink pipe (304) on the right side. A heat sink plate (306) is fixedly connected to the outer side of the heat sink pipe (304). A diversion pipe (307) is fixedly connected to the outer end of the heat sink pipe (304). A heat absorption pipe (308) is fixedly connected to the outer side of the diversion pipe (307).

2. The heat dissipation structure of the toner cartridge as described in claim 1, characterized in that: The printer drum (1) includes a drum body (101), a toner filling cover (103) is threaded to the top of the drum body (101), and a waste cover (102) is threaded to the right side of the drum body (101).

3. The heat dissipation structure of the toner cartridge as described in claim 1, characterized in that: The heat dissipation shell (2) includes a shell (201) fixedly connected to both sides of the box body (301), a dustproof window (203) is placed on the rear side of the shell (201), a fixing device (202) is movably connected inside the dustproof window (203), and a radiator (204) is fixedly connected inside the shell (201).

4. The heat dissipation structure of the toner cartridge as described in claim 3, characterized in that: The fixing device (202) includes a rotating block (2021) movably connected inside the dustproof window (203), a stud (2022) is fixedly connected inside the rotating block (2021), and a plug (2023) is threadedly connected to the outside of the stud (2022).

5. The heat dissipation structure of the toner cartridge as described in claim 3, characterized in that: The dustproof window (203) includes a fixed frame (2031) placed on the rear side of the housing (201), and a dustproof leaf (2032) is fixedly connected to the inner side of the fixed frame (2031).

6. The heat dissipation structure of the toner cartridge as described in claim 3, characterized in that: The radiator (204) includes a fixed column (2042) fixedly connected inside the housing (201). A fixed sleeve (2041) is fixedly connected to the right end of the fixed column (2042). A support column (2045) is fixedly connected to the inner side of the fixed sleeve (2041). A motor (2044) is fixedly connected to the inner side of the support column (2045). A fan blade (2043) is fixedly connected to the output end of the motor (2044).

7. The heat dissipation structure of the toner cartridge as described in claim 1, characterized in that: The air inlet duct (4) includes a connecting duct (401) fixedly connected to the top and bottom of the housing (201), a cylinder body (402) fixedly connected to the left side of the connecting duct (401), and a dustproof plate (403) fixedly connected to the left side of the cylinder body (402).

8. The heat dissipation structure of the toner cartridge as described in claim 1, characterized in that: Both the heat dissipation fins (303) and the heat dissipation plate (306) are made of aluminum alloy.