Air suction device for laser printing equipment
By designing transmission components and filtration systems in laser printing equipment, and utilizing activated carbon and HEPA filters to automatically treat harmful gases, the problem of harmful gas diffusion in laser printing equipment is solved, improving air quality and the health and safety of users.
Patent Information
- Application Number
- CN202422648360.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing laser printing equipment lacks effective air intake and filtration devices, causing harmful gases such as ozone, volatile organic compounds, and fine particulate matter to diffuse directly during use, affecting air cleanliness and health safety.
An air intake device was designed, including a transmission component, a filter box, and a filtration system. The device uses a drive motor to move an air collection hopper to cover the air outlet, and combines an activated carbon filter plate and a HEPA filter plate to filter harmful gases, thereby achieving automated air intake and filtration.
It significantly reduces the emission of harmful gases, improves the air quality of the working environment, reduces health risks, reduces the burden on operators, and enhances the automation level and ease of use of the equipment.
Smart Images

Figure CN223439454U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to laser printing equipment technical field, concretely relates to a kind of air suction device for laser printing equipment. BACKGROUND
[0002] Laser printing equipment is a kind of printing equipment that prints digital image or text on paper by laser technology. It projects image or text information onto a photosensitive drum by laser beam, and then adsorbs the image with toner. Next, the toner is fixed on the surface of paper by heating and pressing process, and finally forms clear printing content. Laser printing equipment is known for high speed, precision and quality, and is widely used in offices, homes and industrial sites. It is usually used to print high-quality text and graphics, with lower consumable cost and high-speed output, especially suitable for large-volume document printing tasks.
[0003] The existing laser printing equipment may release some harmful gases, such as ozone, volatile organic compounds and fine particulate matter, during printing process. If these gases are not treated, long-term exposure may pose a certain threat to the health of users. However, most existing laser printing equipment lacks effective air suction and filtration devices, resulting in direct diffusion of these harmful gases into the surrounding environment during use, which not only makes it difficult to maintain air cleanliness, but also affects the comfort of the working environment and increases the risk of health, therefore, an air suction device for laser printing equipment is proposed to solve the above problems. SUMMARY
[0004] In view of one or more of the above defects or improvement needs of the prior art, the utility model provides an air suction device for laser printing equipment, which has the advantages of protecting the health of users, effectively filtering harmful gases and automatic operation.
[0005] To achieve the above purpose, the utility model provides an air suction device for laser printing equipment, which comprises a laser printing equipment body.
[0006] A first mounting bracket is assembled on the lower side of the air outlet at the back side of the laser printing equipment body, and a set of transmission assemblies is assembled on the upper end face of the first mounting bracket.
[0007] The transmission assembly comprises a screw rod seat, the screw rod seat has a rectangular cavity, and a drive motor is assembled in the rectangular cavity, the output end of the drive motor is connected with a threaded screw rod, the threaded screw rod is externally engaged with a sliding block, and a limiting plate is assembled on the upper end face of the sliding block.
[0008] The back side of the laser printing device body is also equipped with two second mounting racks which are arranged in parallel, and the upper end faces of the two second mounting racks are jointly equipped with a filter box, the upper end face of the filter box is provided with an air suction motor, the output end of the air suction motor is connected with a flexible hose, one end of the flexible hose penetrates through a limiting plate and is equipped with a gas collecting hopper, and an activated carbon filter plate and a HEPA filter screen plate are inserted on one side of the filter box, and the activated carbon filter plate is located on the upper end of the HEPA filter screen plate.
[0009] As a further improvement of the utility model, two limiting rods are arranged on one side of the driving motor and penetrate through the sliding blocks.
[0010] As a further improvement of the utility model, an exhaust pipe is communicated with the lower end face of the filter box.
[0011] As a further improvement of the utility model, handles are arranged on one side of the activated carbon filter plate and the HEPA filter screen plate.
[0012] As a further improvement of the utility model, the connection between the flexible hose and the gas collecting hopper is detachably designed.
[0013] Overall, compared with the prior art, the above technical scheme conceived by the utility model has the beneficial effects including:
[0014] The air suction device for the laser printing device of the utility model controls the driving motor to drive the gas collecting hopper to move within the stroke range of the threaded screw rod and cover the air outlet on the back side of the laser printing device body, the activated carbon filter plate cooperates with the HEPA filter screen plate to filter and treat the adsorbed harmful gas, greatly reduces the emission of harmful gas, ensures the air quality in the working environment, significantly reduces the accumulation of harmful gas in the surrounding environment of the operator, and long-term exposure to ozone and organic compounds and other substances may cause adverse effects on health, the device can effectively reduce such risks, provide a more healthy and safe working environment for the user, meet the health and environmental protection requirements, the device can automatically adjust the air suction position, ensure that the harmful gas released during the printing process is timely sucked away, the automatic design reduces the operation burden of the user, makes the device more efficient in terms of air suction and filtration, saves the work of manual adjustment and monitoring, and improves the convenience of use and the overall automation level of the device. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is an overall installation structure schematic view of the utility model;
[0016] Figure 2 It is an overall installation structure schematic view of the utility model;
[0017] Figure 3The utility model discloses drive assembly, filter box mounting structure schematic drawing shows.
[0018] Figure 4 The utility model discloses filter box, active carbon filter board, HEPA filter screen board mounting structure schematic drawing shows.
[0019] In all drawings, same reference signs represent same technical features, specifically: 1, laser printing equipment body;11, first mounting frame;12, second mounting frame;2, drive assembly;20, screw rod base;21, drive motor;22, threaded screw rod;23, sliding block;24, limiting plate;25, limiting rod;3, filter box;31, suction motor;32, flexible hose;33, gas collecting hopper;34, active carbon filter board;341, handle;35, HEPA filter screen board;36, exhaust pipe. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0021] EMBODIMENT
[0022] By Figures 1-4 A kind of suction device for laser printing equipment is given, including laser printing equipment body 1;
[0023] The first mounting frame 11 is assembled on the lower side of the air outlet at the back side of the laser printing equipment body 1, and a group of drive assemblies 2 are assembled on the upper end surface of the first mounting frame 11.
[0024] The drive assembly 2 includes a screw rod base 20, the screw rod base 20 has a rectangular cavity, and a drive motor 21 is assembled in the rectangular cavity, the output end of the drive motor 21 is connected with a threaded screw rod 22, the threaded screw rod 22 is externally meshed with a sliding block 23, and the upper end surface of the sliding block 23 is assembled with a limiting plate 24.
[0025] The laser printing equipment body 1 is also assembled with two second mounting frames 12 at the back side, and the two second mounting frames 12 are arranged in parallel, the upper end surfaces of the two second mounting frames 12 are jointly assembled with a filter box 3, the upper end surface of the filter box 3 is provided with a suction motor 31, the output end of the suction motor 31 is connected with a flexible hose 32, one end of the flexible hose 32 penetrates through the limiting plate 24 and is assembled with a gas collecting hopper 33, an active carbon filter board 34 and a HEPA filter screen board 35 are inserted on one side of the filter box 3, and the active carbon filter board 34 is located on the upper end of the HEPA filter screen board 35.
[0026] In this embodiment, by controlling the driving motor 21 to drive the gas collecting hopper 33 to move within the stroke range of the threaded rod 22, and cover the air outlet on the back side of the laser printing device body 1, the harmful gas after adsorption is filtered by the active carbon filter plate 34 cooperating with the HEPA filter screen plate 35, which greatly reduces the emission of harmful gas, ensures the air quality in the working environment, significantly reduces the accumulation of harmful gas in the surrounding environment of the operator, and long-term exposure to ozone and organic compounds and other substances may have adverse effects on health. The device can effectively reduce this risk and provide a healthier and safer working environment for the user, meet the health and environmental protection requirements, and automatically adjust the air suction position to ensure timely suction of harmful gas released during printing. The automatic design reduces the operation burden of the user, makes the device more efficient in air suction and filtration, saves manual adjustment and monitoring work, and improves the convenience of use and the overall automation level of the device.
[0027] Specifically, referring to Figures 1-3 , the driving motor 21 is equipped with two limiting rods 25 on one side, and the two limiting rods 25 penetrate the sliding block 23.
[0028] In this embodiment, the two limiting rods 25 are used to limit the sliding block 23, so that the sliding block 23 can be more stable during movement.
[0029] Specifically, referring to Figures 1-4 , the filter box 3 is communicated with an exhaust pipe 36 at the lower end face.
[0030] In this embodiment, after the harmful gas is filtered by the active carbon filter plate 34 and the HEPA filter screen plate 35, it is finally discharged from the exhaust pipe 36, reducing the harm to the surrounding people.
[0031] Specifically, referring to Figures 1-4 , the active carbon filter plate 34 and the HEPA filter screen plate 35 are equipped with handles 341 on one side.
[0032] In this embodiment, by installing the handle 341 on one side of the active carbon filter plate 34 and the HEPA filter screen plate 35, the user can easily pull out the active carbon filter plate 34 or the HEPA filter screen plate 35 for maintenance and replacement, improving the operation convenience.
[0033] Specifically, referring to Figures 1-3 , the connection between the flexible hose 32 and the gas collecting hopper 33 is designed to be detachable.
[0034] In this embodiment, the connection between the flexible hose 32 and the gas collecting hopper 33 is designed to be detachable, so that the user can flexibly replace or disassemble and maintain the gas collecting hopper 33 as needed.
[0035] The utility model is an air suction device for laser printing equipment:
[0036] During actual use, the drive motor 21 and the exhaust motor 31 are connected to an external power supply, and the drive motor 21 is controlled to drive the screw rod 22 to rotate. When the screw rod 22 rotates, the slider 23 arranged on the outside of the screw rod 22 engages and slides to drive the upper limit plate 24, the telescopic hose 32, and the air collecting hopper 33 to move within the stroke range of the screw rod 22. By starting the exhaust motor 31, the harmful gas discharged from the back air outlet when the laser printing device body 1 is working is adsorbed by the negative pressure generated by the air collecting hopper 33, and then enters the filter box 3 along the telescopic hose 32. Under the dual filtration of the activated carbon filter plate 34 and the HEPA filter mesh plate 35, the filtered and purified gas is finally discharged from the exhaust pipe 36, reducing harm to people around.
[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An air suction device for a laser printing device, comprising a laser printing device body (1), characterized in that: A first mounting frame (11) is mounted on the lower side of the air outlet on the back side of the laser printing device body (1), and a group of transmission components (2) are mounted on the upper end surface of the first mounting frame (11); The transmission assembly (2) includes a screw seat (20), the screw seat (20) has a rectangular cavity and a driving motor (21) is installed in the rectangular cavity, the output end of the driving motor (21) is connected to a threaded screw (22), the threaded screw (22) is externally engaged and slidably provided with a slider (23), and the upper end surface of the slider (23) is equipped with a limit plate (24); The back side of the laser printing device body (1) is also equipped with two second mounting frames (12), and the two second mounting frames (12) are arranged in parallel. The upper end faces of the two second mounting frames (12) are jointly equipped with a filter box (3). The upper end face of the filter box (3) is provided with an exhaust motor (31). The output end of the exhaust motor (31) is connected with a telescopic hose (32), and one end of the telescopic hose (32) passes through the limit plate (24) and is equipped with an air collecting hopper (33). An activated carbon filter plate (34) and a HEPA filter screen plate (35) are inserted into one side of the filter box (3), and the activated carbon filter plate (34) is located at the upper end of the HEPA filter screen plate (35).
2. The air suction device for laser printing equipment according to claim 1, characterized in that: Two limiting rods (25) are mounted on one side of the driving motor (21), and both limiting rods (25) pass through the slider (23).
3. The air suction device for laser printing equipment according to claim 1, characterized in that: The lower end surface of the filter box (3) is connected to an exhaust pipe (36).
4. The air suction device for laser printing equipment according to claim 1, characterized in that: The activated carbon filter plate (34) and the HEPA filter screen plate (35) are both equipped with a handle (341) on one side.
5. The air suction device for laser printing equipment according to claim 1, characterized in that: The connection between the telescopic hose (32) and the gas collecting hopper (33) is of detachable design.