Handheld down suction device for down sampling
By designing a handheld down suction device, the problems of inconvenient sample handling and electrostatic adsorption during down sampling are solved, enabling accurate collection and weighing of down, and improving the accuracy of experimental data and operational safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 台前县公共检验检测中心
- Filing Date
- 2025-05-27
- Publication Date
- 2026-05-19
AI Technical Summary
Existing technologies have problems such as inconvenience in sample handling, scattering leading to mass loss, and electrostatic adsorption during down sampling, which affect the accuracy of experimental data and are harmful to human health. Furthermore, the sampling process cannot accurately control the weight.
A handheld down extractor was designed, comprising a collection box, a filter basket, and a scale. It achieves automatic weighing and static elimination of down through an air pump and an ion fan. The design of the suction tube and air inlet tube ensures accurate collection of down and removal of static electricity.
It achieves convenience and accuracy in down sampling, avoids down scattering and electrostatic adsorption, and improves the accuracy of experimental data and operational safety.
Smart Images

Figure CN224262836U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sampling device technology, specifically to a handheld down suction device for down sampling. Background Technology
[0002] Currently, when conducting tests on loft, down-proofness, oxygen consumption, and cleanliness in GB / T14272-2011 "Down Garments", the samples are manually grabbed and placed into boxes prepared by the inspectors before being weighed on a balance. This process presents several problems: Firstly, the amount of feather and down that can be collected manually is limited. For example, in the loft test, two 28.5g samples need to be weighed, making sampling very time-consuming. Secondly, currently, when sampling down, the boxes containing the samples are placed directly on the balance for weighing. Due to electrostatic adsorption, a lot of down adheres to the outer wall of the box. Inspectors need to collect all the down from the outer wall as test samples to ensure the accuracy of the weighing data, which is also very time-consuming.
[0003] A search revealed that application number CN202120548824.8, entitled "A Convenient Sampling and Weighing Device for Down and Feather Testing," relates to a Chinese utility model patent (publication number CN210180706U). This patent addresses the current lack of a dedicated sample storage box in down and feather samplers. Ordinary boxes, due to their large openings and lack of lids, allow down to scatter during sample transfer, resulting in quality loss, affecting the accuracy of experimental data, and posing a health hazard to inspectors who inhale the scattered down. The proposed solution involves connecting a storage box to a low-power electric sampling device via a flexible hose. The device allows down and feather samples to be directly placed into the storage bin during sample transfer, avoiding the loss of quality caused by down scattering during sample transfer, which could affect the accuracy of experimental data and pose a health hazard to inspectors who inhale the scattered down. It also avoids the problem of down adhering to the outer wall of the box due to electrostatic adsorption. However, the device is quite large and requires wheels for movement, making it inconvenient to handle by hand and cumbersome for sampling. Furthermore, the device requires weighing after sampling, but the inability to weigh during the sampling process makes it difficult to control the sample weight and results in poor accuracy. Further improvements are needed.
[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content
[0005] (a) Technical problems to be solved
[0006] To address the shortcomings of existing technologies, this utility model provides a handheld down sampling device that is convenient to use and provides accurate sampling, thereby solving the problems mentioned in the background technology.
[0007] (II) Technical Solution
[0008] To achieve the aforementioned advantages of ease of use and accurate sampling, the specific technical solution adopted by this utility model is as follows:
[0009] A handheld down sampler includes a collection box and a filter basket. A weight scale is fixedly installed on the bottom surface of the collection box, and a filter basket is placed on top of the weight scale, with the top surface of the filter basket abutting against the top surface of the collection box. One end of the collection box is connected to an air pump through an air extraction pipe, and an air inlet pipe is connected through the top surface of the collection box. The other end of the air inlet pipe is connected to a down suction pipe through a flexible hose. An ion fan is provided on the other side of the collection box, and an air collection hopper is fixedly covered at the air outlet of the ion fan. The other end of the air collection hopper is connected through an air inlet pipe to the other side surface of the collection box. A valve is installed on the surface of the air inlet pipe, and a handle is fixedly installed on the top surface of the collection box.
[0010] Furthermore, the collection box has a hinged sealing door on its front facade, and a handle is installed on the surface of the sealing door.
[0011] Furthermore, a base box is fixedly installed on the bottom surface of the collection box, and a storage battery is fixedly installed inside the base box.
[0012] Furthermore, a switch is fixedly installed on the front of the bottom box, and the output end of the switch is electrically connected to the input end of the air pump and the ion fan, respectively.
[0013] Furthermore, a display is embedded in the front of the base box, and the display is used in conjunction with the scale.
[0014] Furthermore, the other end of the suction tube has a frustum-shaped structure, and the surface of the suction tube is polished.
[0015] Furthermore, the suction tube, hose, and air inlet tube have the same inner diameter.
[0016] Furthermore, the bottom opening of the air inlet pipe is located inside the top opening of the filter basket, and the filter basket aperture is smaller than the size of the down feather.
[0017] (III) Beneficial Effects
[0018] Compared with the prior art, this utility model provides a handheld down suction device for down sampling, which has the following beneficial effects:
[0019] (1) This utility model uses a filter basket and a weight scale. When sampling down, the staff can insert the down suction tube into the down, and then start the air pump. The air pump extracts the air inside the collection box. Through the connection of the air inlet pipe, hose and down suction tube, the down is extracted and enters the collection box and the filter basket. The filter basket filters the gas and the down stays in the filter basket. The weight scale weighs the filter basket and the down. After the sampling weight is reached, the staff turns off the air pump, opens the sealed door and takes out the filter basket to complete the sampling. This device is very suitable for hand-held movement. The structure is simple. Through automatic weighing, it is convenient for the staff to sample according to the sampling weight. The sampling is accurate. The down suction tube can be inserted into the down, which is convenient for sampling from various parts of the down and improves the convenience of use.
[0020] (2) This utility model uses an ion fan. After the down has been extracted to the specified weight, the staff can turn off the air pump, start the ion fan and open the valve between opening the sealed door and the air pump. The ion fan generates air force, which enters the collection box through the air collection hopper and the air inlet pipe. The air blown out by the ion fan can eliminate static electricity and prevent down from adhering, making it easier for the staff to take the down out of the filter basket. At the same time, before sampling, the staff can also start the ion fan to destaticate the inside of the collection box, which further improves the convenience of use. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments 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.
[0022] Figure 1 This is a schematic diagram of the external structure of a handheld down sampling device proposed in this utility model;
[0023] Figure 2 This is a schematic diagram of the internal structure of a handheld down suction device for down sampling proposed in this utility model;
[0024] Figure 3 This is a front view of a handheld down sampling device proposed in this utility model;
[0025] Figure 4 This is a schematic diagram of the filter basket proposed in this utility model.
[0026] In the picture:
[0027] 1. Collection box; 2. Filter basket; 3. Weight scale; 4. Base box; 5. Battery; 6. Handle; 7. Suction pipe; 8. Suction pump; 9. Ionizing fan; 10. Air collection hopper; 11. Air inlet pipe; 12. Hose; 13. Textile suction pipe; 14. Air inlet pipe; 15. Valve; 16. Sealing door; 17. Display; 18. Switch. Detailed Implementation
[0028] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.
[0029] According to an embodiment of the present invention, a handheld down suction device for down sampling is provided.
[0030] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figure 1-4As shown, a handheld down sampling device according to an embodiment of the present invention includes a collection box 1 and a filter basket 2. A weight scale 3 is fixedly installed on the bottom surface of the collection box 1, and the filter basket 2 is placed on top of the weight scale 3. The top surface of the filter basket 2 abuts against the top surface of the collection box 1 to prevent down leakage. One end of the collection box 1 is connected to an air pump 8 through an air extraction pipe 7, and an air inlet pipe 11 is connected through the top surface of the collection box 1. The other end of the air inlet pipe 11 is connected to a down suction pipe 13 through a flexible hose 12. An ion fan 9 is provided on the other side of the collection box 1. The air outlet fixed cover is equipped with an air collection hopper 10, and the other end of the air collection hopper 10 is connected to the other side surface of the collection box 1 through an air inlet pipe 14. A valve 15 is installed on the surface of the air inlet pipe 14. When sampling down, the valve 15 is in the closed state. A handle 6 is fixedly installed on the top surface of the collection box 1. When sampling down, the staff can insert the down suction tube 13 into the down. Then, the air pump 8 is started. The air pump 8 extracts the air inside the collection box 1. Through the connection of the air inlet pipe 11, the hose 12 and the down suction tube 13, the down is extracted. The down is placed into the collection box 1 and then into the filter basket 2. The filter basket 2 filters the gas, and the down remains in the filter basket 2. The scale 3 weighs the filter basket 2 and the down. Once the sampling weight is reached, the operator turns off the vacuum pump 8, opens the sealing door 16, and removes the filter basket 2 to complete the sampling. This device is very suitable for handheld use, has a simple structure, and uses automatic weighing to facilitate sampling according to the sampling weight. The sampling is accurate, and the down suction tube 13 can be inserted into the down to facilitate sampling from various parts of the down, improving ease of use. At the same time, the operator can... After the down has been extracted to the specified weight, the air pump 8 is turned off. The ion fan 9 is started and the valve 15 is opened while the sealing door 16 is open. The other end of the down suction tube 13 is closed with the palm of the hand. The ion fan 9 generates airflow, which enters the collection box 1 through the air inlet pipe 14 via the air collection hopper 10. The air blown out by the ion fan 9 can eliminate static electricity and prevent down from adhering, making it easier for staff to remove the down from the filter basket 2. At the same time, before sampling, staff can also start the ion fan 9 to destaticate the inside of the collection box 1, further improving the convenience of use.
[0031] In one embodiment, a sealing door 16 is hinged to the front of the collection box 1, and a handle is installed on the surface of the sealing door 16 to facilitate opening and removing the filter basket 2.
[0032] In one embodiment, a base box 4 is fixedly installed on the bottom surface of the collection box 1, and a battery 5 is fixedly installed inside the base box 4. This is a common mobile power supply structure, which will not be described in detail here.
[0033] In one embodiment, a switch 18 is fixedly installed on the front of the base box 4, and the output terminal of the switch 18 is electrically connected to the input terminal of the air pump 8 and the ion fan 9 respectively. This is a common control structure and will not be described in detail here.
[0034] In one embodiment, a display 17 is embedded in the front of the base box 4, and the display 17 is used in conjunction with the scale 3. This is a common weighing structure that facilitates observation of the weight of down feathers.
[0035] In one embodiment, the other end of the down suction tube 13 has a frustum-shaped structure, which makes it easy to insert into the down, and the surface of the down suction tube 13 is polished to reduce down adhesion and facilitate cleaning.
[0036] In one embodiment, the down suction tube 13, the flexible tube 12, and the air inlet tube 11 have the same inner diameter to facilitate the passage of down.
[0037] In one embodiment, the bottom opening of the air inlet pipe 11 is located inside the top opening of the filter basket 2, and the aperture of the filter basket 2 is smaller than the size of the down feathers to prevent down feather leakage.
[0038] Working principle:
[0039] When sampling down, the operator inserts the suction tube 13 into the down, then starts the air pump 8. The air pump 8 extracts the air from the collection box 1. Through the connection of the air inlet pipe 11, the hose 12, and the suction tube 13, the down is extracted and enters the collection box 1, then into the filter basket 2. The filter basket 2 filters the air, and the down remains in the filter basket 2. The scale 3 weighs the filter basket 2 and the down. Once the sampling weight is reached, the operator turns off the air pump 8, opens the sealing door 16, and removes the filter basket 2 to complete the sampling. This device is very suitable for handheld use, has a simple structure, and uses automatic weighing to facilitate sampling according to the sampling weight. The sampling is accurate and the down is effectively extracted. The tube 13 can be inserted into the down, making it convenient to sample down from various locations and improving ease of use. At the same time, after the down has been extracted to the specified weight, the staff can turn off the air pump 8, start the ion fan 9 and open the valve 15 between opening the sealing door 16 and closing the other end of the down suction tube 13 with their palm. The ion fan 9 generates airflow, which enters the collection box 1 through the air inlet pipe 14 via the air collection hopper 10. The air blown out by the ion fan 9 can eliminate static electricity and prevent down from adhering, making it easier for the staff to remove the down from the filter basket 2. At the same time, before sampling, the staff can also start the ion fan 9 to destaticate the inside of the collection box 1, further improving ease of use.
[0040] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0041] 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, improvements, etc., 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 handheld down sampling device, characterized in that, The system includes a collection box (1) and a filter basket (2). A scale (3) is fixedly installed on the bottom surface of the collection box (1), and a filter basket (2) is placed on top of the scale (3). The top surface of the filter basket (2) is in contact with the top surface of the collection box (1). One end of the collection box (1) is connected to a suction pump (8) through a suction pipe (7), and an air inlet pipe (11) is connected through the top surface of the collection box (1). The other end of the air inlet pipe (11) is connected to a lint suction pipe (13) through a hose (12). An ion fan (9) is provided on the other side of the collection box (1), and an air collection hopper (10) is fixedly covered on the air outlet end of the ion fan (9). The other end of the air collection hopper (10) is connected through an air inlet pipe (14) to the other side surface of the collection box (1). A valve (15) is installed on the surface of the air inlet pipe (14). A handle (6) is fixedly installed on the top surface of the collection box (1).
2. The handheld down sampling device according to claim 1, characterized in that, The collection box (1) has a hinged sealing door (16) on its front facade, and a handle is installed on the surface of the sealing door (16).
3. A handheld down sampling device according to claim 1, characterized in that, The bottom of the collection box (1) is fixedly installed with a bottom box (4), and a storage battery (5) is fixedly installed inside the bottom box (4).
4. A handheld down sampling device according to claim 3, characterized in that, A switch (18) is fixedly installed on the front of the bottom box (4), and the output end of the switch (18) is electrically connected to the input end of the air pump (8) and the ion fan (9).
5. A handheld down sampling device according to claim 3, characterized in that, The bottom box (4) has a display (17) embedded in its front facade, and the display (17) is used in conjunction with the scale (3).
6. A handheld down sampling device according to claim 1, characterized in that, The other end of the suction tube (13) has a frustum-shaped structure, and the surface of the suction tube (13) is polished.
7. A handheld down sampling device according to claim 1, characterized in that, The suction tube (13), hose (12) and air inlet tube (11) have the same inner diameter.
8. A handheld down sampling device according to claim 1, characterized in that, The bottom opening of the air inlet pipe (11) is located inside the top opening of the filter basket (2), and the aperture of the filter basket (2) is smaller than the size of the down feather.