A portable, hand-held air purification device

Abstract

The utility model discloses a portable manual air purification device, its characterized in that: including an air inlet, a pressure gas cavity, an efficient air filter and an extrusion device, the extrusion device includes an extrusion end and a pressure end, the extrusion end sets up on the pressure gas cavity, the air inlet passes through a check valve with pressure gas cavity intercommunication, the efficient air filter sets up on the exhaust of pressure gas cavity, and the outside air is from the air inlet enters pressure gas cavity, and after discharging after passing the efficient air filter, constitute one -way purification channel. The utility model discloses through manual operation extrusion device, makes pressure gas cavity inhale air, and then discharges after purifying by the efficient air filter, realizes passive, point -to -point's local purification air, and the operation is convenient, and clean efficiency is high, and is not restricted by the use environment, and is flexible, convenient.

Description

Technical Field

[0001] This utility model relates to air purification equipment technology, and more particularly to a portable manual air purification device. Background Technology

[0002] Air purifiers primarily utilize fans to force indoor air circulation. Their working principle is as follows: polluted air passes through the device's built-in multi-stage filtration system (typically including a pre-filter, a HEPA high-efficiency filter, and an activated carbon adsorption layer) to complete the purification process, including particulate matter capture, microbial interception, and adsorption of gaseous pollutants. The clean air is then reinjected into the room through a directional airflow channel. These devices are widely used in enclosed spaces and cleanliness-sensitive environments. Typical applications include medical cleanrooms, biological laboratories, precision instrument workshops, and other specialized fields, as well as industrial waste gas diffusion areas, livestock farms, and pet service establishments—environments with specific pollution levels.

[0003] Existing air purification devices typically require an external power source or rely on battery power, as illustrated in Chinese utility model patents such as "A Portable Air Purifier" (CN 218001774 U) and "A Portable Air Purifier" (CN 212119316 U). While these devices achieve miniaturization and portability, they still have drawbacks: First, their point-to-point cleaning efficiency is relatively low, and the overall space cleaning efficiency is limited by air convection efficiency, depending on the device's power and exhaust volume. Second, they continuously depend on external energy supply, and in passive environments, their operating time and power are limited. Summary of the Invention

[0004] The purpose of this invention is to provide a portable manual air purification device. This device is convenient and flexible to use, requires no external power supply, has high point-to-point purification efficiency, and is suitable for various environments.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a portable manual air purifier, comprising an air inlet, a pressure chamber, a high-efficiency air filter, and a compression device. The compression device includes a compression end and a pressure application end. The compression end is disposed on the pressure chamber. The air inlet is connected to the pressure chamber through a one-way valve. The high-efficiency air filter is disposed on the exhaust port of the pressure chamber. Outside air enters the pressure chamber from the air inlet and is discharged after passing through the high-efficiency air filter, forming a one-way purification channel.

[0006] In the above technical solution, the pressure chamber is composed of a retractable airbag, the extrusion end of the extrusion device includes a frame structure disposed on both sides of the pressure chamber, the pressure application end includes left and right intersecting operating handles, the front ends of the operating handles are respectively connected to the frame structure, the intersection of the left and right operating handles is a hinge pivot, and its end is a hand-held end, the relative or opposite movement of the left and right operating handles forms a force for compressing or extending the pressure chamber.

[0007] A further technical solution is to provide a reset spring connecting the two operating handles on the opposite surfaces of the handheld ends near the left and right operating handles.

[0008] In the above technical solution, the high-efficiency air filter includes an outer frame and a filter element. The outer frame is provided with a snap-fit ​​structure, and the outer frame is connected to the barb on the frame structure through the snap-fit ​​structure. A sealing ring is provided between the outer frame and the frame structure.

[0009] In the above technical solution, the air inlet is conical, with an air intake at the front end and the rear end connected to the pressure chamber through the one-way valve, and the airflow flows from the air intake to the pressure chamber end.

[0010] Another technical solution is that the extrusion device is a piston rod structure, including a housing, a piston head and a piston rod. The pressure air chamber is disposed in the housing. The piston head at the front end is the extrusion end and the piston rod at the rear end is the pressure application end. The pressure application end is located outside the pressure air chamber and is in the shape of a pull handle. The extrusion end reciprocates in the pressure air chamber through the pressure application end.

[0011] A further technical solution is that the housing is provided with an air inlet and an air outlet, the front end of the air inlet is an air intake port, and the rear end is connected to the pressure air chamber through a one-way valve, and a high-efficiency air filter is provided at the air outlet.

[0012] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art:

[0013] 1. This utility model includes an air inlet, a pressure chamber, a high-efficiency air filter, and a squeezing device. The squeezing device is manually operated to pressurize the air in the pressure chamber, causing the air in the chamber to be discharged after passing through the high-efficiency air filter. Conversely, after releasing the squeezing device, air with aerosols from the outside is drawn in through the air inlet. This operation is repeated to quickly and effectively purify the air in a local area. Compared with previous equipment, the passive operation is more convenient and flexible, and the purification efficiency is greatly improved.

[0014] 2. The air inlet adopts a conical shape, with a small diameter at the front intake port, ensuring accurate positioning and effective intake of locally polluted air, resulting in high point-to-point purification efficiency;

[0015] 3. The pressure chamber exhaust port is connected to a high-efficiency air filter. The large exhaust area design results in a lower air velocity, reducing the impact on room airflow, lowering noise, and making it suitable for various environments. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present invention;

[0017] Figure 2 This is a schematic diagram of the usage process of Embodiment 1 of this utility model;

[0018] Figure 3 This is a schematic diagram of another structural form of Embodiment 1 of this utility model;

[0019] Figure 4 This is a structural schematic diagram of Embodiment 2 of this utility model.

[0020] The components are: 1. Air inlet; 2. Pressure chamber; 3. High-efficiency air filter; 4. Extrusion end; 5. Pressurization end; 6. One-way valve; 7. Hinged shaft; 8. Tension spring; 9. Housing; 10. Piston head; 11. Piston rod; 12. Intake port. Detailed Implementation

[0021] The following description is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Furthermore, the terms "vertical," "horizontal," "top," "bottom," "front," "rear," "upper," "lower," "inner," and "outer" used in the embodiments of the present invention indicate orientation or positional relationships based on the appendix. Figure 1 The orientations or positional relationships shown, or the orientations or positional relationships in which the product is usually placed during use, are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The following will refer to the appendix... Figure 1-4 The present invention will be described in detail with reference to the embodiments.

[0022] Example 1: See Figures 1-3 As shown, a portable manual air purifier includes an air inlet 1, a pressure chamber 2, a high-efficiency air filter 3, and a compression device. The compression device includes a compression end 4 and a pressure application end 5. The compression end 4 is disposed on the pressure chamber 2. The air inlet 1 is connected to the pressure chamber 2 through a one-way valve 6. The high-efficiency air filter 3 is disposed on the exhaust port of the pressure chamber 2. Outside air enters the pressure chamber 2 through the air inlet 1 and is discharged after passing through the high-efficiency air filter 3, forming a one-way purification channel.

[0023] like Figure 1 As shown, the air inlet 1 is conical, with an air intake at the front end and the rear end connected to the pressure chamber 2 via the one-way valve 6. The airflow flows from the air intake 12 to the pressure chamber 2.

[0024] The high-efficiency air filter 3 includes an outer frame and a filter element. The outer frame has a snap-fit ​​structure, which connects the outer frame to the frame structure via barbs. This detachable connection facilitates regular replacement of the filter element, ensuring filtration efficiency. A sealing ring is provided between the outer frame and the frame structure to prevent gas leakage from the pressure chamber.

[0025] In this embodiment, the pressure chamber 2 is composed of a retractable airbag. The compression end 4 of the compression device includes a frame structure disposed on both sides of the pressure chamber 2. The pressure application end 5 includes left and right intersecting operating handles. The front ends of the operating handles are respectively connected to the frame structure. The intersection of the left and right operating handles is a hinge shaft 7, the end of which is a handheld end. The relative or opposite movement of the left and right operating handles generates a force that compresses or extends the pressure chamber. Figure 2 As shown, the initial state of the retractable airbag is as follows: Figure 2 (a) When excessive aerosol levels are detected in a localized area, align the air inlet with that area, open the compression device, and move the left and right operating handles in opposite directions to extend the retractable airbag. Figure 2 (b) Air containing aerosol is drawn into the retractable airbag, and then the left and right operating handles move relative to each other, compressing the retractable airbag, such as... Figure 2 (c) The gas in the retractable airbag is discharged to the exhaust port of the high-efficiency filter 3 at the rear end. The aerosol is captured when it passes through the high-efficiency air filter 3, and the purified gas is discharged. Repeat the above operation to efficiently clean the local area.

[0026] Alternatively, a return spring 8 can be provided on the opposite surface of the handheld ends near the left and right operating handles, connecting the two operating handles. For example... Figure 3 As shown, the force of the tension spring 8 reduces the fatigue of manual operation.

[0027] Example 2: See Figure 4 As shown, a portable manual air purifier is described. In this embodiment, the compression device is replaced with a piston type, and the pressure chamber is located inside a rigid housing. Specifically:

[0028] The extrusion device is a piston rod structure, including a housing 9, a piston head 10, and a piston rod 11. The pressure chamber 2 is disposed inside the housing 9. The piston head 10 at its front end is the extrusion end, and the piston rod 11 at its rear end is the pressure-applying end. The pressure-applying end is located outside the pressure chamber 2 and is shaped like a pull handle. The extrusion end reciprocates within the pressure chamber 2 via the pressure-applying end. The housing 9 has an air inlet and an air outlet. The front end of the air inlet is an intake port 12, and the rear end is connected to the pressure chamber 2 via a one-way valve 6. A high-efficiency air filter is provided at the exhaust port.

[0029] The purification principle and process described above are the same as those in Example 1. Both methods achieve air intake and exhaust by changing the air pressure in the pressure chamber 2. The difference lies in the manually operated device. Example 1 is structurally more convenient and can be considered a preferred method.

[0030] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A portable manual air purifier, characterized in that: It includes an air inlet, a pressure chamber, a high-efficiency air filter, and a compression device. The compression device includes a compression end and a pressure application end. The compression end is disposed on the pressure chamber. The air inlet is connected to the pressure chamber through a one-way valve. The high-efficiency air filter is disposed on the exhaust port of the pressure chamber. Outside air enters the pressure chamber from the air inlet and is discharged after passing through the high-efficiency air filter, forming a one-way purification channel.

2. The portable manual air purifier according to claim 1, characterized in that: The pressure chamber is formed by a retractable air bladder. The extrusion end of the extrusion device includes a frame structure disposed on both sides of the pressure chamber. The pressure application end includes left and right intersecting operating handles. The front ends of the operating handles are respectively connected to the frame structure. The intersection of the left and right operating handles is a hinge pivot, and its end is a hand-held end. The relative or opposite movement of the left and right operating handles generates a force that compresses or extends the pressure chamber.

3. The portable manual air purifier according to claim 2, characterized in that: On the opposite surfaces of the handheld ends near the left and right operating handles, there is a reset spring connecting the two operating handles.

4. The portable manual air purifier according to claim 2, characterized in that: The high-efficiency air filter includes an outer frame and a filter element. The outer frame is provided with a snap-fit ​​structure, and the outer frame is connected to the barb on the frame structure through the snap-fit ​​structure. A sealing ring is provided between the outer frame and the frame structure.

5. The portable manual air purifier according to claim 1, characterized in that: The air inlet is conical, with an air intake at the front end and the rear end connected to the pressure chamber via the one-way valve. Airflow flows from the air intake to the pressure chamber end.

6. The portable manual air purifier according to claim 1, characterized in that: The extrusion device is a piston rod structure, including a housing, a piston head, and a piston rod. The pressure chamber is located inside the housing. The piston head at the front end is the extrusion end, and the piston rod at the rear end is the pressure application end. The pressure application end is located outside the pressure chamber and is shaped like a pull handle. The extrusion end reciprocates within the pressure chamber through the pressure application end.

7. The portable manual air purifier according to claim 6, characterized in that: The housing has an air inlet and an air outlet. The front end of the air inlet is an intake port, and the rear end is connected to the pressure chamber through a one-way valve. A high-efficiency air filter is provided at the exhaust port.

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