A suction device

By designing a compact negative pressure suction insect aspirator, the problems of low insect collection efficiency and damage were solved, achieving efficient and low-damage insect collection and improving insect survival rates.

CN224402709UActive Publication Date: 2026-06-26YUNNAN AGRICULTURAL UNIVERSITY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUNNAN AGRICULTURAL UNIVERSITY
Filing Date
2025-07-31
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing technologies have low insect collection efficiency, especially for flying insects, and the sweeping net method can easily damage insects, affecting scientific research value.

Method used

Design a compact insect aspirator that uses negative pressure suction to collect insects. A fan provides negative pressure airflow through a cone-shaped air inlet into the collection box, which is equipped with a flexible cover and a filter to reduce insect damage.

Benefits of technology

It improved the efficiency of insect collection, reduced insect damage, and increased insect survival rate.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224402709U_ABST
    Figure CN224402709U_ABST
Patent Text Reader

Abstract

The utility model belongs to the field of insect collector, specifically disclose a kind of sucking device, including the upper shell with cavity structure, middle shell and lower shell, the upper shell and lower shell are fixedly connected by handle, middle shell is hingedly between upper shell and lower shell, middle shell rotatable makes its cavity structure and upper shell and lower shell correspond. The receiving box for collecting insects is also installed in the middle shell, the elastic cover plate is installed on the top of receiving box, the elastic cover plate has the plum blossom shape opening of openable, and the bottom of receiving box is filter screen;Lower shell is equipped with fan, and exhaust hole is arranged below fan, and starting fan negative pressure airflow can pass through upper shell, middle shell and discharge from the exhaust hole of lower shell. The utility model is small in size, and it can improve collection efficiency by using negative pressure suction type collection. And after collecting a small amount of insects, it can be easily transferred, reducing insect damage.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of insect collectors, specifically relating to an insect suction device. Background Technology

[0002] Insect collection can help scientists discover new species or record the distribution range of known species, establish specimen collections (such as museum collections), and provide materials for morphological and genetic studies. It can also be used for ecological research, analyzing insect population dynamics, food web relationships, or responses to environmental changes (such as climate change indicator species), and assessing ecosystem health by collecting pollinating insects.

[0003] Currently, the main collection method is net sweeping, where insects are swept by hand. However, insects can easily escape, and the method is inefficient, especially for flying insects. Furthermore, net sweeping can damage the samples; the impact of the net can cause insect limbs to break, affecting the scientific value. Utility Model Content

[0004] To address the problems existing in the background technology, this utility model proposes an insect suction device that is compact in size and uses negative pressure suction for collection, which can improve collection efficiency. Furthermore, after collecting a small number of insects, it is easy to transfer them, reducing damage to the insects.

[0005] The insect suction device of this utility model includes an upper shell, a middle shell, and a lower shell with a cavity structure. The upper shell and the lower shell are fixedly connected by a handle. The middle shell is located between the upper shell and the lower shell and is hinged to the upper shell. The middle shell can rotate so that its cavity structure corresponds to the upper shell and the lower shell.

[0006] The middle shell also houses a collection box for collecting insects. The top of the collection box is fitted with an elastic cover with a cloverleaf-shaped opening that can be opened and closed. The bottom of the collection box is fitted with a filter screen. The lower shell is fitted with a fan with an exhaust port below it. When the fan is activated, the negative pressure airflow can pass through the upper shell and the middle shell and be discharged from the exhaust port of the lower shell.

[0007] The quincunx-shaped opening of the elastic cover is concave. When the airflow impacts the concave surface, the blades bend and the quincunx-shaped opening opens.

[0008] The lower housing is divided into a first cavity and a second cavity. The fan is located in the first cavity, and the exhaust port is located on the side wall of the first cavity below the fan. The second cavity is used to install a battery to provide power to the fan.

[0009] The upper shell has a conical structure, with the smaller end serving as the air inlet.

[0010] The beneficial effects of this invention are as follows: The overall structure is compact, and the addition of a fan to increase negative pressure suction for collection improves collection efficiency. Furthermore, after collecting a small number of insects, the middle shell can be rotated outwards to detach it from the upper and lower shells, allowing the insect collection box to be removed for transferring the insects. This reduces insect damage caused by continuous suction and improves insect survival rates. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of the insect suction device in the embodiment.

[0012] Figure 2 This is a diagram showing the internal structure of the insect suction device in the embodiment.

[0013] Figure 3 for Figure 2 A magnified view of a portion of point A in the middle.

[0014] Figure 4 This is a schematic diagram of the elastic cover plate of the insect suction device in the embodiment.

[0015] Explanation of reference numerals in the attached drawings: 101-Upper housing, 102-Middle housing, 103-Lower housing, 104-First cavity, 105-Second cavity, 106-Exhaust port, 107-Screw cap, 2-Storage box, 201-Elastic cover, 2011-Plum blossom-shaped opening, 2012-Blade, 2013-Threaded sealing ring, 202-Filter screen, 3-Handle, 4-Fan. Detailed Implementation

[0016] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the preferred embodiments of this utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding by those skilled in the art.

[0017] Example 1

[0018] like Figures 1 to 4 The insect suction device shown includes an upper shell 101, a middle shell 102, and a lower shell 103 with interconnected cavity structures (or hollow structures). The upper shell 101 and the lower shell 103 are fixedly connected by a handle 3. The middle shell 102 is located between the upper shell 101 and the lower shell 103, and the middle shell 102 is connected to the upper shell 101 by a pivot hinge on the side. The middle shell 102 can rotate so that its cavity structure corresponds to the upper shell 101 and the lower shell 103 or so that its cavity structure is offset from each other.

[0019] To improve sealing, annular elastic sealing rings are added at the upper and lower edges of the middle housing 102 and at the connection points with the upper housing 101 and the lower housing 103, so that the connection between the middle housing 102 and the upper housing 101 and the lower housing 103 is airtight, thus ensuring that the negative pressure airflow has good flow performance.

[0020] Inside the middle shell 102, a storage box 2 for collecting insects is concentrically threaded. The storage box 2 can be detached from the middle shell 102 to transfer the insects captured inside. A resilient cover 201 is also installed on the top of the storage box 2, specifically, as shown... Figure 3 As shown, the elastic cover 201 has a sealing threaded ring 2013 at its bottom, which is clamped to the storage box 2 by compression, ensuring installation stability while improving disassembly efficiency. The elastic cover 201 has an openable and closable plum blossom-shaped opening 2011, which is concave. When capturing insects, the negative pressure airflow impacts the concave surface, causing the blades 2012 to bend (the blades 2012 are made of flexible resin or PLA-like flexible material, giving them good elasticity to ensure elastic deformation when impacted by the negative pressure airflow), opening the plum blossom-shaped opening 2011, allowing the negative pressure airflow to carry the insect into the storage box 2. The gap in the plum blossom-shaped opening 2011 is smaller than the volume of the insect. When the negative pressure airflow is cut off, the blades 2012 spring back, closing the plum blossom-shaped opening 2011, thus trapping the insect inside. The bottom of the storage box 2 is a filter screen 202. The filter holes of the filter screen 202 are at least smaller than the insects captured, preferably with a diameter of 3~5mm, so that the insects carried by the negative pressure airflow are filtered on the filter screen 202, while the negative pressure airflow continues to flow downward and is discharged.

[0021] A fan 4 is installed in the lower housing 103 to power the negative pressure airflow. An exhaust port 106 is provided below the fan 4. When the fan 4 is activated, the negative pressure airflow can pass through the upper housing 101 and the middle housing 102 and be discharged from the exhaust port 106 in the lower housing 103. The lower housing 103 is divided into a first cavity 104 and a second cavity 105. The fan 4 is located in the first cavity 104, and the exhaust port 106 is located on the side wall of the first cavity 104 below the fan 4, allowing the negative pressure airflow to flow out from the side wall.

[0022] like Figure 2 As shown, the second cavity 105 is used to install the battery, providing power for the fan 4. The fan 4 uses an external rotor motor, located at the fan 4 shaft. The positive and negative connection lines between the battery and the fan 4 can be routed along the side wall of the lower housing 103 and electrically connected to the external rotor motor of the fan 4 along the bottom bracket of the fan 4. A screw cap 107 is also provided at the bottom of the second cavity 105 to cover the battery cells. The handle 3 is also provided with a viewing window for power display and a power button as the on / off button for the fan 4. The power button is electrically connected to the external rotor motor and the battery to control the start and stop of the external rotor motor, making the insect suction device easier to operate.

[0023] The upper housing 101 has a conical structure, with the smaller end serving as the air inlet. Since the negative pressure airflow generated decreases with distance from the fan 4, the smaller end being the air inlet allows for the enhancement or maintenance of a larger negative pressure airflow during use.

[0024] In use, the fan 4 is turned on to allow the negative pressure airflow to flow normally. The air inlet of the upper shell 101 is then aimed at the insects, which will enter the storage box 2 with the airflow. The middle shell 102 is rotated to separate the insects from the upper shell 101 and the lower shell 103. The storage box 2 is then removed, and the elastic cover 201 is opened to empty the insects from inside the storage box 2. The elastic cover 201 and the storage box 2 are then installed in sequence, and the middle shell 102 is rotated back to its original position. This completes the transfer of the insects and prevents them from being damaged by continuous airflow.

[0025] This invention features a compact overall structure and incorporates a fan 4 to enhance negative pressure suction for insect collection, thereby improving collection efficiency. After collecting a small number of insects, the middle shell 102 can be rotated outwards to detach it from the upper shell 101 and lower shell 103, allowing the insect storage box 2 to be removed for transferring the insects. This reduces insect damage caused by continuous suction and improves insect survival rates.

[0026] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this utility model.

Claims

1. An insect suction device, characterized in that, It includes an upper shell (101), a middle shell (102), and a lower shell (103) with cavity structures. The upper shell (101) and the lower shell (103) are fixedly connected by a handle (3). The middle shell (102) is located between the upper shell (101) and the lower shell (103), and the middle shell (102) is hinged to the upper shell (101). The middle shell (102) can be rotated so that its cavity structure corresponds to that of the upper shell (101) and the lower shell (103). The middle shell (102) is also equipped with a collection box (2) for collecting insects. The top of the collection box (2) is equipped with an elastic cover (201). The elastic cover (201) has an openable plum blossom-shaped opening (2011). The bottom of the collection box (2) is a filter screen (202). The lower shell (103) is equipped with a fan (4). An exhaust hole (106) is provided below the fan (4). When the fan (4) is started, the negative pressure airflow can pass through the upper shell (101), the middle shell (102) and be discharged from the exhaust hole (106) of the lower shell (103).

2. The insect suction device according to claim 1, characterized in that, The plum blossom-shaped opening (2011) of the elastic cover plate (201) is concave. When the airflow impacts the concave surface, the blade (2012) bends and the plum blossom-shaped opening (2011) opens.

3. The insect suction device according to claim 2, characterized in that, The lower housing (103) is divided into a first cavity (104) and a second cavity (105). The fan (4) is located in the first cavity (104), and the exhaust port (106) is opened on the side wall of the first cavity (104) below the fan (4). The second cavity (105) is used to install a battery to provide power to the fan (4).

4. The insect suction device according to claim 3, characterized in that, The upper shell (101) has a conical structure, with the smaller end being the air inlet.