Insect trap convenient for taking insects

Abstract

The insect trap comprises a trapping container, the trapping container comprises an inner shell and an outer shell which are cylindrical and coaxially arranged, an induction plate is arranged on the inner side of the inner shell, a trapping lamp and a plurality of insect inlets are arranged on the induction plate, and a mounting cavity with an opening in the upper end is formed between the inner shell and the outer shell; a plurality of catching units capable of being pulled out of the mounting cavity from bottom to top are inserted into the mounting cavity, insect inlet channels connected to the insect inlet are formed in the bottom face of the induction plate, and the insect inlet channels correspond to the catching units one to one and communicate with the interiors of the catching units. Multi-point storage of the captured insects is achieved through the multiple phase capturing units, the situation that the insects are gathered together to affect survival can be reduced, the insects can be dispersed, the extraction range can be reduced, and therefore convenient and efficient extraction of the insects is achieved.

Description

Technical Field

[0001] The present invention relates to an insect trap, in particular to an insect trap which is convenient for extracting insects. Background Art

[0002] An insect trap is a device that uses the insect's tendency to attract light, food and other factors to collect insects by trapping them. It is labor-saving and effective.

[0003] Insect traps are often used in orchards, experimental fields and other places. In addition to killing pests, they are also used to trap insects for specimens or experimental research. Currently, common insect traps generally include a container for storing insects, with insect lights or insect attractants set in the container to attract the insects. Once the trapped insects enter the container, they are difficult to extract during their survival period. Existing insect traps are difficult to fully meet the needs of using them as specimens or for experimental research, or when beneficial insects in the container need to be released. Summary of the Invention

[0004] The present invention aims to solve the problem that it is difficult to extract insects from insect traps in the prior art and provides an insect trap that is convenient for extracting insects.

[0005] In order to solve the above technical problems, the present invention is solved by the following technical solutions: An insect trap that facilitates insect extraction includes a trapping container, which includes a cylindrical inner shell and an outer shell that are coaxially arranged. An induction plate is provided on the inner side of the inner shell, and a trapping lamp and multiple insect inlets are provided on the induction plate. An installation cavity with an upper end opening is formed between the inner shell and the outer shell, and multiple capture units that can be pulled out of the installation cavity from bottom to top are inserted into the installation cavity. An insect entry channel connected to the insect inlet is provided on the bottom surface of the induction plate, and the insect entry channel is arranged in a one-to-one correspondence with the capture unit and is connected to the inside of the capture unit.

[0006] Preferably, the capture unit includes an arc-shaped capture shell, a capture chamber is formed inside the capture shell, the capture shell includes a lower bottom wall and an upper cover corresponding to the lower bottom wall, and further includes an inner wall and an outer wall respectively slidingly matched with the inner shell and the outer shell, and a side wall slidingly matched with an adjacent capture shell; The inner wall of the capture housing is provided with an insect entry hole corresponding to the insect entry channel, and the bottom of the side wall is provided with a communication port for connecting to adjacent capture housings. The structural shape of the capture unit matches the installation cavity, resulting in a compact structure and preventing gaps between adjacent capture housings or between the capture housing and the installation cavity that could allow insects to crawl in.

[0007] Preferably, the insect extraction unit is further included, the insect extraction unit comprising an extraction rod capable of extending from the upper end of the capture shell into the capture chamber, the bottom of the extraction rod being provided with an extraction bucket with a bottom surface capable of being attached to the lower bottom wall, the extraction bucket comprising a bucket body with an extraction port formed on one side and an opening and closing plate capable of closing the extraction port; The extraction rod consists of an outer rod fixed to the bucket body and an inner rod hinged to the opening and closing plate. The inner rod slides within the outer rod, and axial movement relative to the outer rod drives the opening and closing plate to open or close the extraction port. The insect extraction unit allows for precise extraction of insects while essentially preventing other insects from escaping.

[0008] Preferably, one end of the upper cover is hingedly connected to the upper end surface of the capture housing and can be flipped over to the outer wall of the capture housing when the upper cover is opened. The insect extraction unit also includes a limit baffle that can be axially limited to the upper end surface of the capture housing. The upper end of the outer rod is fixed to the lower end surface of the limit baffle, and the upper end of the inner rod passes through the limit baffle and is provided with a handle at the end extending therefrom. The provision of the limit baffle can block the upper end of the capture housing during insect extraction, thereby reducing the possibility of insect escape.

[0009] Preferably, a communication port and a communication port cover assembly capable of closing the communication port are provided on the side wall of the capture shell. The communication port cover assembly includes a fixing plate fixed to the side wall, a sealing cover capable of moving up and down relative to the fixing plate, a vertically upwardly extending limit rod is provided on the bottom surface of the installation cavity, the upper end of the limit rod can pass through the lower bottom wall of the capture shell and extend into the capture cavity, when the capture shell is in the installation cavity, the limit rod can push the sealing cover upward to open the communication port, and when the capture shell is removed from the installation cavity, the sealing cover moves downward to the communication port to close the communication port. The provision of the communication port can achieve communication between adjacent capture shells and prevent insects from gathering.

[0010] Preferably, a communication port cover assembly is provided on the inner surfaces of both side walls of the capture housing. A baffle is connected between the sealing covers on the two side walls and is capable of sliding up and down relative to the inner surface of the inner wall of the capture housing. When the sealing covers move downward to close the communication port, the baffle blocks the insect entrance hole of the housing. When the sealing covers move upward to open the communication port, the baffle is misaligned with the insect entrance hole of the housing. The provision of the communication port cover assembly enables the bottom communication port of the capture housing to be sealed after it is pulled out.

[0011] Preferably, a blocking plate for blocking the communication opening and a push spring for pushing the blocking plate upward into the installation cavity are provided at the bottom surface of the installation cavity. Two blocking plates are provided between adjacent capture shells. When a capture shell is in the installation cavity, the bottom surface of the capture shell presses the blocking plate downward out of the installation cavity. When the capture shell is removed from the installation cavity, the blocking plate, under the action of the push spring, extends into the installation cavity and blocks the communication opening of the adjacent capture shell. The provision of the blocking plate can prevent insects in the remaining capture shells from escaping from the installation cavity after a single capture shell is pulled out.

[0012] Preferably, a longitudinally disposed limiting groove is provided on the outer side wall of the inner housing, and a limiting ridge is provided on the outer side wall of the capture housing that slidably engages with the inner housing, the limiting ridge having an upper end extending from the upper end surface of the inner housing and forming a handle. The limiting ridge cooperates with the limiting groove to position the capture housing within the installation cavity, ensuring that it aligns with the insect entry passage. The upper end of the limiting ridge extends to form a handle, which also facilitates removal of the capture housing from the installation cavity.

[0013] Preferably, the guide plate is further provided with an annular cover stopper corresponding to each insect inlet, and an insect inlet cover plate is engaged within the cover stopper, which covers the insect inlet. The insect inlet cover plate can block the insect inlet when it is not in use, such as when the capture unit is pulled out of the installation cavity, thereby blocking the corresponding insect inlet and preventing insects from entering the installation cavity.

[0014] Preferably, the device further includes a container holder for mounting the trapping container. The container holder comprises a support base disposed on the outer wall of the housing, a circular hole-shaped mounting cavity formed in the middle of the support base, and the outer wall of the housing is fixed within the circular hole-shaped mounting cavity. The container holder also comprises a mounting plate disposed below the bottom of the housing, and the limiting rod and the blocking plate are both mounted on the mounting plate. The provision of the container holder provides fixed support for the trapping container and increases its service life.

[0015] The present invention has significant technical effects due to the adoption of the above technical solutions: The present invention realizes multi-point storage of captured insects through multiple phase capture units, which can not only reduce the insects from gathering together and affecting their survival, but also reduce the insect dispersion and extraction range, thereby realizing convenient and efficient extraction of insects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of embodiment 1 of the present invention.

[0017] Figure 2 yes Figure 1 Schematic cross-section of the trapping container.

[0018] Figure 3 yes Figure 2A partial enlarged view of part A.

[0019] Figure 4 yes Figure 1 Schematic diagram of a half-section of the trapping container.

[0020] Figure 5 yes Figure 1 Schematic diagram of the capture unit structure.

[0021] Figure 6 yes Figure 1 Schematic diagram of the insect extraction unit structure.

[0022] Figure 7 yes Figure 6 A partial enlarged view of part A.

[0023] Figure 8 It is a structural diagram of embodiment 2 of the present invention.

[0024] Figure 9 It is a structural diagram of embodiment 3 of the present invention. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0026] Example 1 An insect trap that facilitates insect extraction includes a trapping container 1 and a container bracket 4 for mounting the trapping container 1. A trapping lamp 104 is arranged inside the trapping container 1. The container bracket 4 includes a support base 401 arranged at the outer wall of the outer shell 102. A circular hole-shaped mounting cavity 106 is formed in the middle of the support base 401. The outer wall of the outer shell 102 is fixed in the circular hole-shaped mounting cavity 106. A battery mounting box is also provided at the side wall 207 of the support base 401. Batteries for powering the trapping lamp 104 are installed in the battery mounting box.

[0027] The trapping container 1 includes an inner shell 101 and an outer shell 102 which are cylindrical and coaxially arranged. An induction plate 103 is provided on the inner side of the inner shell 101. The induction plate 103 is horizontally arranged and fixed on the inner side wall 207 of the inner shell 101. A trapping lamp 104 and multiple insect inlets 105 are provided on the induction plate 103, wherein the trapping lamp 104 is arranged at the center position of the induction plate 103, and the insect inlets 105 are evenly spaced around the trapping lamp 104. In addition, a non-return structure is provided on the inner side surface of the insect inlet 105, which can realize that insects can only enter but not exit. The non-return structure is a cone with a gradually decreasing inner diameter, and is composed of multiple elastic connecting pieces with pointed ends.

[0028] An installation cavity 106 with an upper opening is formed between the inner shell 101 and the outer shell 102. The installation cavity 106 is in a circular ring shape. A plurality of capture units 2 that can be pulled out of the installation cavity 106 from the bottom up are inserted into the installation cavity 106. After the capture unit 2 is inserted into the installation cavity 106, the upper end surface remains flush with the upper end surface of the installation cavity 106. The capture unit 2 includes an arc-shaped capture shell 201. A capture cavity 202 is formed inside the capture shell 201. The arc length of the capture unit 2 is adapted to the circumference of the installation cavity 106, so that adjacent capture units 2 can be in a mutually fitting state when installed in the installation cavity 106. In this embodiment, 6 capture units 2 are provided, which just completely fill the installation cavity 106.

[0029] An insect entry channel 107 connected to the insect entrance 105 is provided on the bottom surface of the induction plate 103. The insect entry channel 107 is arranged in a one-to-one correspondence with the capture unit 2 and is connected to the interior of the capture unit 2. The insect entry channel 107 is L-shaped and one end is fixed on the bottom surface of the induction plate 103, and the other end is fixed on the inner wall 205 of the inner shell 101.

[0030] In this embodiment, the capture shell 201 includes a lower bottom wall 203 and an upper cover plate 204 corresponding to the lower bottom wall 203, and also includes an inner wall 205 and an outer wall 206 that slide with the inner shell 101 and the outer shell 102 respectively, and a side wall 207 that slides with the adjacent capture shell 201. The inner wall 205 of the capture shell 201 is provided with a shell insect entrance hole 208 corresponding to the insect entrance channel 107, and the bottom of the side wall 207 is provided with a connecting port 209 for connecting with the adjacent capture shell 201.

[0031] During installation, you need to install the inner shell 101 first, and then install the capture shell 201, wherein a bottom plate is provided at the bottom of the outer shell 102, and no bottom plate is provided at the bottom of the inner shell 101. The inner shell 101 is directly placed on the bottom plate of the outer shell 102, and it can be pulled out from the outer shell 102 for subsequent cleaning.

[0032] When installing, it is necessary to align the end of the insect entry channel 107 thereon with the shell insect entry hole 208 on the capture shell 201 with each other, wherein the bottom of the inner shell 101 is processed with a plurality of slots arranged at intervals, and a corresponding annular groove is provided on the bottom surface of the outer shell 102. A plug-in plate corresponding to the slot is provided in the annular groove, so that when the bottom of the inner shell 101 is located in the annular groove, the plug-in plate is inserted into the slot to limit the rotation of the inner shell 101. At the same time, it can also achieve rapid positioning and installation of the inner shell 101 in the outer shell 102. After the inner shell 101 is installed in the outer shell 102, the positioning of the end of the insect entry channel 107 on it can be formed in a straight line; and a longitudinal limiting groove 108 is provided on the outer side wall 207 of the inner shell 101, and a limiting ridge 216 is provided on the outer side wall 207 of the capture shell 201 that slides with the inner shell 101. The limiting ridge 216 cooperates with the limiting groove 108 to achieve the positioning of the shell insect entry hole 208 on the capture shell 201, thereby ensuring that the two can be aligned with each other.

[0033] This embodiment also includes an insect extraction unit 3, which includes an extraction rod 301 that can extend from the upper end of the capture shell 201 into the capture chamber 202. The bottom of the extraction rod 301 is provided with an extraction bucket 302 whose bottom surface can be attached to the lower bottom wall 203. The extraction bucket 302 includes a bucket body 303 with an extraction port formed on one side and an opening and closing plate 304 that can close the extraction port. The extraction rod 301 includes an outer rod 305 whose bottom is fixed on the bucket body 303 and an inner rod 306 whose bottom is hinged to the opening and closing plate 304. The inner rod 306 is slidably connected to the outer rod 305. When the inner rod 306 moves axially relative to the outer rod 305, it can drive the opening and closing plate 304 to open or close the extraction port.

[0034] Among them, one end of the upper cover 204 is hinged at the upper end surface of the capture shell 201 and can be flipped to the outer side wall 207 of the capture shell 201 when the upper cover 204 is opened. The insect extraction unit 3 also includes a limit baffle 307 that can be axially limited on the upper end surface of the capture shell 201. The upper end of the outer rod 305 is fixed on the lower end surface of the limit baffle 307, and the upper end of the inner rod 306 passes through the limit baffle 307 and a handle 308 is provided on the end that passes through.

[0035] During the insect extraction process, the capture unit 2 is first pulled out of the installation cavity 106. The capture shell 201 of the capture unit 2 in this embodiment is a transparent plastic shell. When pulling out the capture shell 201, the staff can first pull it out to a certain position and then observe whether there are the required insects in the capture unit 2. If so, pull it out completely. After the capture shell 201 is pulled out, the upper cover 204 is opened, and then the insect extraction unit 3 is placed into the capture shell 201. The limit baffle 307 on the insect extraction unit 3 blocks the upper opening of the capture shell 201, which can constitute a certain obstruction to the upper opening, reducing the possibility of insects in the capture shell 201 flying out. The extraction bucket 302 is located at the bottom surface of the capture shell 201. The extraction bucket 302 can be opened by operating the inner sleeve rod 306. Then the operator controls the extraction rod 301 to move the extraction bucket 302 to the required insect position and capture the insect into the bucket body 303. When operating the inner sleeve rod 306, the opening and closing plate 304 closes the extraction port, the extraction bucket 302 is quickly moved out and the upper cover 204 is closed again to complete the extraction of the insects.

[0036] In this embodiment, a communication port 209 is provided on the side wall 207 of the capture housing 201. The communication port 209 is located at the bottom of the side wall 207 of the capture housing 201. When the capture housing 201 is in the installation cavity 106, the communication port 209 is open, thereby connecting adjacent capture housings 201 and preventing insects from gathering in the same capture housing 201. On the one hand, the multiple interconnected capture units 2 achieve multi-point storage of captured insects, reducing the impact of insect aggregation on survival, while also achieving insect dispersion and a smaller extraction range, making the insect extraction process more convenient and efficient. On the other hand, the insect extraction unit 3 extracts the insects from the capture unit 2 that has been determined to contain the desired insects, achieving precise extraction and essentially preventing other insects from flying out.

[0037] After the capture shell 201 is pulled out of the installation cavity 106, the communication port 209 and the shell insect entrance hole 208 need to be closed. A communication port cover assembly 220 capable of closing the communication port 209 is provided at the side wall 207 of the capture shell 201. The communication port cover assembly 220 includes a fixing plate 210 fixed on the side wall 207, and a sealing cover 211 capable of moving up and down relative to the fixing plate 210 is provided on the fixing plate 210, wherein the fixing plate 210 is provided with a sliding sleeve 218 with an opening downward, and a sliding rod 219 is slidably connected in the sliding sleeve 218, and the sealing cover 211 is connected to the sliding sleeve 218 through a sliding rod 219, and a vertically upward limiting rod 212 is provided on the bottom surface of the installation cavity 106. The upper end of the limiting rod 212 can pass through the lower bottom wall 203 of the capture shell 201 and extend into the capture cavity 202. When the capture shell 201 is in the installation cavity 106, the limiting rod 212 can push the sealing cover 211 to move upward so that the connecting port 209 is in an open state. When the capture shell 201 moves out of the installation cavity 106, the sealing cover 211 moves downward to the connecting port 209 so that the connecting port 209 is in a closed state.

[0038] A connecting port cover assembly 220 is provided on the inner surface of the two side walls 207 of the capture shell 201, and a baffle 213 is connected between the sealing covers 211 on the two side walls 207, which can slide up and down relative to the inner surface of the inner wall 205 of the capture shell 201. When the sealing cover 211 moves downward until the connecting port 209 is in a closed state, the baffle 213 blocks the insect entrance hole 208 of the shell. When the sealing cover 211 moves upward until the connecting port 209 is in an open state, the baffle 213 and the insect entrance hole 208 of the shell are in a misaligned state.

[0039] The container holder 4 also includes a mounting plate 402 disposed below the bottom of the outer shell 102. The limiting rod 212 and the blocking plate 215 are both mounted on the mounting plate 402. When the capture shell 201 is within the mounting cavity 106, the bottom of the sealing cover 211 is pressed against the upper end surface of the limiting rod 212. The limiting rod 212 acts in a reverse direction on the sealing cover 211, pushing the sealing cover 211 upward, causing the sealing cover 211 to be misaligned with the communication port 209, thereby opening the communication port 209. To prevent the limiting rods 212 from interfering with insects passing through the communication port 209, the limiting rods 212 are disposed on either side of the communication port 209. The upward movement of the sealing cover 211 simultaneously drives the baffle 213 upward, causing the baffle 213 to be misaligned with the shell's insect inlet 208, thereby opening the shell's insect inlet 105. In this state, both the communication port 209 and the shell's insect inlet 105 remain open.

[0040] When the capture shell 201 is pulled out of the installation cavity 106, after the bottom of the sealing cover 211 disengages from the limit rod 212, the sealing cover 211 can move downward to the connecting port 209 relative to the fixing plate 210 under the action of its own gravity, thereby blocking the connecting port 209 and keeping the connecting port 209 in a closed state. At the same time, the sealing covers 211 on both sides of the capture shell 201 move downward synchronously and the baffle 213 moves downward synchronously, thereby blocking the insect entrance hole 208 of the shell by the baffle 213, and sealing the insect entrance hole 208 of the shell by the baffle 213.

[0041] In order to prevent the insects in the remaining capture shells 201 from escaping from the installation cavity 106 after a single capture shell 201 is pulled out, a blocking plate 215 for blocking the connecting port 209 and a pushing spring 214 for pushing the blocking plate 215 to move upward into the installation cavity 106 are provided at the bottom surface of the installation cavity 106. Two blocking plates 215 are provided between adjacent capture shells 201. When the capture shell 201 is in the installation cavity 106, the bottom surface of the capture shell 201 presses the blocking plate 215 downward out of the installation cavity 106. When the capture shell 201 moves out of the installation cavity 106, the blocking plate 215 extends into the installation cavity 106 under the action of the pushing spring 214 and blocks the connecting port 209 on the adjacent capture shell 201.

[0042] After the capture unit 2 in the installation cavity 106 is pulled out, the adjacent capture unit 2 can still continue to work. At this time, the blocking plate 215 can extend into the installation cavity 106 under the action of the push spring 214 and block the connecting port 209 relative to the capture shell 201 due to the lack of pressure from the capture unit 2.

[0043] In addition, the induction plate 103 is also provided with a cover plate limit seat 109 which is in a circular shape and is arranged one-to-one with the insect entrance 105. An insect entrance cover plate 110 that can cover the insect entrance 105 is clamped in the cover plate limit seat 109. A rubber ring can be provided on the outer wall 207 of the insect entrance cover plate 110 to ensure that it can be clamped more stably on the cover plate limit seat 109.

[0044] The setting of the cover limit seat 109 can facilitate the storage of the insect entrance cover 110. When the capture unit 2 is pulled out of the installation cavity 106, the corresponding insect entrance 105 can be blocked by the insect entrance cover 110 to prevent insects from entering the installation cavity 106.

[0045] Example 2 The same as Example 1, except that in this embodiment, the side wall 207 of the support base 401 is provided with a support column 5, and the bottom of the support column 5 is fixed on the ground. It can be fixed on the ground by plugging it into the ground or setting a corresponding fixing base with a certain weight. A solar panel is provided on the top of the support column 5, and a battery is installed in the support column 5 and connected to the solar panel to realize solar power supply.

[0046] Example 3 The same as embodiment 1 or 2, except that the upper end of the limiting protrusion 216 in embodiment 1 extends out of the upper end surface of the inner shell 101 and forms a handle 217 , which can facilitate pulling the capture unit 2 out of the installation cavity 106 .

[0047] The limiting ridge 216 can also constitute a supporting portion for supporting the rain shield 6. The rain shield 6 is arranged above the trapping container 1. The diameter of the rain shield 6 is larger than the outer diameter of the outer shell 102 and a certain distance is formed between the rain shield 6 and the upper end surface of the trapping container 1. The upper end of the limiting ridge 216 extends upward to form a support for the rain shield 6. The rain shield 6 is provided with a plug-in groove 601 which is arranged one-to-one with the limiting ridge 216. The rain shield 6 is plugged into the limiting ridge 216 to facilitate the installation and disassembly of the rain shield 6. The setting of the rain shield 6 can reduce the entry of rainwater into the interior of the trapping container 1, especially into the insect inlet 105.

[0048] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application based on one or several embodiments provided in the present application to obtain other embodiments, and these embodiments do not exceed the scope of protection of the present application.

[0049] In short, the above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the patent of the present invention.

Claims

1. An insect trap for facilitating insect extraction, comprising a trapping container (1), characterized in that: The trapping container (1) comprises an inner shell (101) and an outer shell (102) which are cylindrical and coaxially arranged. An induction plate (103) is provided on the inner side of the inner shell (101). A trapping lamp (104) and a plurality of insect inlets (105) are provided on the induction plate (103). An installation cavity (106) with an upper end opening is formed between the inner shell (101) and the outer shell (102). A plurality of capture units (2) capable of being pulled out of the installation cavity (106) from bottom to top are inserted into the installation cavity (106). An insect inlet channel (107) connected to the insect inlet (105) is provided on the bottom surface of the induction plate (103). The insect inlet channel (107) is arranged in a one-to-one correspondence with the capture unit (2) and is communicated with the interior of the capture unit (2).

2. The insect trap for facilitating insect extraction according to claim 1, characterized in that: The capture unit (2) comprises an arc-shaped capture shell (201), a capture cavity (202) is formed inside the capture shell (201), the capture shell (201) comprises a lower bottom wall (203) and an upper cover plate (204) corresponding to the lower bottom wall (203), an inner wall (205) and an outer wall (206) respectively slidably engaged with the inner shell (101) and the outer shell (102), and a side wall (207) slidably engaged with an adjacent capture shell (201); The inner wall (205) of the capture shell (201) is provided with a shell insect entry hole (208) corresponding to the insect entry channel (107), and the bottom of the side wall (207) is provided with a communication port (209) for connecting with adjacent capture shells (201).

3. The insect trap for facilitating insect extraction according to claim 2, characterized in that: The insect extraction unit (3) is also included. The insect extraction unit (3) includes an extraction rod (301) capable of extending from the upper end of the capture shell (201) into the capture chamber (202). The bottom of the extraction rod (301) is provided with an extraction bucket (302) whose bottom surface can be attached to the lower bottom wall (203). The extraction bucket (302) includes a bucket body (303) with an extraction port formed on one side and an opening and closing plate (304) capable of closing the extraction port. The extraction rod (301) includes an outer rod (305) whose bottom is fixed to the bucket body (303) and an inner rod (306) whose bottom is hinged to the opening and closing plate (304). The inner rod (306) is slidably connected to the outer rod (305). When the inner rod (306) moves axially relative to the outer rod (305), it can drive the opening and closing plate (304) to open or close the extraction port.

4. The insect trap for facilitating insect extraction according to claim 3, characterized in that: One end of the upper cover plate (204) is hinged to the upper end surface of the capture shell (201), and the upper cover plate (204) can be flipped onto the outer side wall (207) of the capture shell (201) when the upper cover plate (204) is opened. The insect extraction unit (3) further comprises a limit baffle (307) capable of being axially limited on the upper end surface of the capture shell (201). The upper end of the outer sleeve rod (305) is fixed to the lower end surface of the limit baffle (307), and the upper end of the inner sleeve rod (306) passes through the limit baffle (307) and a handle (308) is provided on the end that passes through.

5. The insect trap for facilitating insect extraction according to claim 2, characterized in that: The connecting port cover assembly (220) is capable of closing the connecting port (209) at the side wall (207) of the capture shell (201), and the connecting port cover assembly (220) includes a fixing plate (210) fixed on the side wall (207), a sealing cover (211) capable of moving up and down relative to the fixing plate (210) is provided on the fixing plate (210), and a limiting rod (212) is provided on the bottom surface of the installation cavity (106) and is vertically upward. The end can pass through the lower bottom wall (203) of the capture shell (201) and extend into the capture cavity (202); when the capture shell (201) is in the installation cavity (106), the limiting rod (212) can push the sealing cover (211) to move upward so that the communication port (209) is in an open state; when the capture shell (201) moves out of the installation cavity (106), the sealing cover (211) moves downward to the communication port (209) so that the communication port (209) is in a closed state.

6. The insect trap for facilitating insect extraction according to claim 5, characterized in that: A communication port cover assembly (220) is provided on the inner surfaces of both side walls (207) of the capture shell (201); a baffle (213) capable of sliding up and down relative to the inner surface of the inner wall (205) of the capture shell (201) is connected between the sealing covers (211) on the two side walls (207); when the sealing cover (211) moves downward until the communication port (209) is in a closed state, the baffle (213) blocks the insect inlet (208) of the shell; when the sealing cover (211) moves upward until the communication port (209) is in an open state, the baffle (213) and the insect inlet (208) of the shell are in a misaligned state.

7. The insect trap for facilitating insect extraction according to claim 5, characterized in that: A blocking plate (215) for blocking the communication opening (209) and a push spring (214) for pushing the blocking plate (215) upward into the installation cavity (106) are provided at the bottom surface of the installation cavity (106). Two blocking plates (215) are provided between adjacent capture shells (201). When the capture shell (201) is in the installation cavity (106), the bottom surface of the capture shell (201) presses the blocking plate (215) downward out of the installation cavity (106). When the capture shell (201) moves out of the installation cavity (106), the blocking plate (215) extends into the installation cavity (106) under the action of the push spring (214) and blocks the communication opening (209) on the adjacent capture shell (201).

8. The insect trap for facilitating insect extraction according to claim 2, characterized in that: A longitudinally arranged limiting groove (108) is provided on the outer side wall (207) of the inner shell (101), and a limiting ridge (216) is provided on the outer side wall (207) of the capture shell (201) and the inner shell (101) for sliding cooperation. The limiting ridge (216) is slidably inserted into the limiting groove (108), and the upper end of the limiting ridge (216) extends out of the upper end surface of the inner shell (101) and forms a handle (217).

9. The insect trap for facilitating insect extraction according to claim 1, characterized in that: The induction plate (103) is further provided with a cover plate limiting seat (109) in an annular shape and arranged in a one-to-one correspondence with the insect inlet (105), and an insect inlet cover plate (110) capable of covering the insect inlet (105) is clamped in the cover plate limiting seat (109).

10. The insect trap for facilitating insect extraction according to claim 7, characterized in that: The container holder (4) is further provided with a container support (4) for mounting the trapping container (1). The container support (4) comprises a support seat (401) arranged at the outer wall of the outer shell (102). A circular hole-shaped mounting cavity (106) is formed in the middle of the support seat (401). The outer wall of the outer shell (102) is fixed in the circular hole-shaped mounting cavity (106). The container support (4) further comprises a mounting plate (402) arranged below the bottom of the outer shell (102). The limiting rod (212) and the blocking plate (215) are both mounted on the mounting plate (402).

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