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CN109497006B - A device for trapping and killing larvae and a trash can - Google Patents

A device for trapping and killing larvae and a trash can Download PDF

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Publication number
CN109497006B
CN109497006B CN201811494171.9A CN201811494171A CN109497006B CN 109497006 B CN109497006 B CN 109497006B CN 201811494171 A CN201811494171 A CN 201811494171A CN 109497006 B CN109497006 B CN 109497006B
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water collecting
cover
floating
groove
plate
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CN109497006A (en
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欧伟明
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00Stationary means for catching or killing insects
    • A01M1/02Stationary means for catching or killing insects with devices or substances, e.g. food, pheronones attracting the insects
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65FGATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00Refuse receptacles; Accessories therefor
    • B65F1/14Other constructional features; Accessories
    • B65F1/16Lids or covers

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  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insects & Arthropods (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)

Abstract

本发明实施例公开了一种孑孓诱捕灭杀装置及垃圾桶,涉及孑孓灭杀技术领域,孑孓诱捕灭杀装置包括集水桶、集水盖和浮动盖,集水桶设有广口,集水盖包括盖板和连接部,连接部的一端固定于盖板的底侧,连接部的另一端与广口可拆卸连接,在盖板设有集水孔,在连接部设有进蚊孔,浮动盖内置于集水桶,且浮动盖与集水桶为间隙配合,浮动盖包括浮板、产卵槽以及锥形槽,产卵槽设置于浮板中部,锥形槽位于产卵槽下侧,且锥形槽的大端开口与产卵槽连通,在锥形槽的小端开口的下侧设有一个挡板,挡板与小端开口间隔设置。本发明实施例提供的孑孓诱捕灭杀装置及垃圾桶,提高了孑孓诱捕及灭杀的效率,还降低了失效的概率。

Figure 201811494171

The embodiment of the present invention discloses a larvae trapping and killing device and a trash can, which relate to the technical field of larvae killing and killing. It includes a cover plate and a connecting part. One end of the connecting part is fixed on the bottom side of the cover plate, and the other end of the connecting part is detachably connected with the wide mouth. The cover is built in the water collecting bucket, and the floating cover and the water collecting bucket are in clearance fit. The floating cover includes a floating plate, an egg-laying groove and a conical groove. The large end opening of the conical groove is communicated with the egg-laying groove, a baffle plate is arranged on the lower side of the small end opening of the conical groove, and the baffle plate is spaced from the small end opening. The larvae trapping and killing device and the trash can provided by the embodiments of the present invention improve the efficiency of larvae trapping and killing, and also reduce the probability of failure.

Figure 201811494171

Description

Mosquito larvae trapping and killing device and garbage can
Technical Field
The invention relates to the technical field of wiggler killing, in particular to a wiggler trapping and killing device and a garbage can.
Background
The wigglers are larvae of mosquitoes, and become adult mosquitoes after being hatched in water, so that the mosquito damage is effectively treated, and the treatment of the wigglers in the water can be performed.
The wigglers can be killed by adopting drug treatment, and drugs are put into a water area with the wigglers to kill the wigglers. The mosquito larvae can be killed by adopting a trapping or killing device, and the device has the following defects: firstly, an upper opening is adopted for collecting rainwater, and in a natural environment, fragments of leaves, hay, and the like or other sundries easily fall into the device to block small holes in the lower part of the device, so that wigglers cannot be captured (lose efficacy), and the mosquito larvae can become a breeding place for mosquitoes; secondly, only if the water accumulation time is long enough, enough microorganisms can be generated in the accumulated water, and the female mosquitoes can be attracted to lay eggs, because of the open design, if the rainfall is sufficient, the water quality of the accumulated water in the device is improved, and the attraction of the accumulated water to the eggs laying of the female mosquitoes is reduced in a rainy period; thirdly, because of the open design, the rainwater contact air area is big and the convection current influence is obvious in the device, is very easily evaporated to dryness and loses effect, if increase the volume of water storage, wiggler is difficult to find the aperture of lower part again for catch efficiency descends, and the rainwater is penetrated directly by sunshine simultaneously and is bred algae, moss easily, influence the effect of catching, and the time is long algae, moss are too much, still directly can lead to inefficacy.
Disclosure of Invention
The present invention provides a wiggler trapping and killing device and a garbage can, which are used to solve the problems of low efficiency and easy failure of the existing trapping or killing device.
In order to achieve the above objects, an embodiment of the present invention provides a wiggler trapping and killing device, the wiggler trapping and killing device includes a water collecting barrel, a water collecting cover and a floating cover, the water collecting barrel is provided with a wide opening, the water collecting cover includes a cover plate and a connecting portion, one end of the connecting portion is fixed to the bottom side of the cover plate, the other end of the connecting portion is detachably connected to the wide opening so as to enable the water collecting barrel and the water collecting cover to enclose a closed structure, the cover plate is provided with a water collecting hole for communicating the inside and the outside of the closed structure, the connecting portion is provided with a mosquito inlet hole for communicating the inside and the outside of the closed structure, the floating cover is arranged in the water collecting barrel, the floating cover is in clearance fit with the water collecting barrel so as to enable the floating cover to move up and down in the water collecting barrel, the floating cover includes a tapered floating plate, a spawning trough and a spawning trough, the spawning trough is arranged in the middle of the floating plate, the conical groove is located spawning tank downside, and the main aspects opening of conical groove with spawning tank intercommunication the tip open-ended downside of conical groove is equipped with a baffle, the baffle with tip opening interval sets up.
The cover plate is of an arc-shaped structure, the outer edge size of the cover plate is larger than that of the connecting part, and the lowest point of the outer edge is lower than the lowest point of the mosquito inlet hole so as to shield the mosquito inlet hole.
Wherein a plurality of mosquito inlet holes are arranged at intervals around 1/3 of the peripheral side of the connecting part.
The middle part of the cover plate is provided with a maintenance hole which runs through the wall thickness of the cover plate, and the top of the maintenance hole is provided with a sealing cover.
And an overflow hole is formed in the position, close to the wide opening, of the wall of the water collecting barrel.
Wherein the bottom side of the floating plate is provided with an inner groove for storing air to float the floating cover.
The floating cover further comprises a protection wall, the protection wall is fixed on the floating plate, and the inner wall of the protection wall is flush with the inner wall of the spawning tank and higher than the upper surface of the floating plate.
The floating cover further comprises two arc-shaped guide plates, the guide plates are fixed on the bottom plate of the spawning tank, and the guide plates are opposite to each other, and the center of the spawning tank is symmetrically arranged.
Wherein, the baffle is connected with the tapered slot through a connecting bulge.
In another embodiment of the invention, a garbage can is provided, and the garbage can comprises a can body and wiggler trapping and killing devices, wherein the wiggler trapping and killing devices are arranged at the top of the can body.
The embodiment of the invention has the following advantages:
the wiggler trapping and killing device and the garbage can provided by the embodiment of the invention have the advantages that the water collecting cover is arranged at the top of the water collecting barrel of the wiggler trapping and killing device, so that the problem that the small end opening of the conical groove is blocked due to the fact that foreign matters enter the water collecting barrel is avoided, failure is avoided, the water collecting cover prevents sunlight from directly irradiating the water surface in the barrel, evaporation capacity is reduced, accumulated water in a spawning groove and the conical groove is prevented from breeding algae and moss, the accumulated water for female mosquitoes to spawn is ensured to exist in the water collecting barrel for a long time, and failure is further avoided; rainwater enters the water collecting barrel from the water collecting holes, and the protective wall prevents the rainwater from directly entering the spawning tank, so that water in the spawning tank keeps a ponding state for a long time, the attraction to female mosquitoes can be kept for a long time, and the trapping efficiency is improved; the large end opening of the conical groove is connected with the spawning groove, the small end opening is arranged below the water surface in the water collecting barrel, wigglers habitually move up and down in the conical groove and hardly reversely swim out from the small end opening after entering the inner space of the water collecting barrel from the small end opening, the success rate of trapping is improved, the wigglers cannot grow into mosquitoes in the inner space of the water collecting barrel due to oxygen deficiency or cannot escape from the inner space, and therefore the wigglers are killed; the baffle that the tip opening set up further prevents the wiggler of being trapped and flees, improves the efficiency of traping, killing.
Drawings
Fig. 1 is a schematic structural view of a wiggler trapping and killing device provided in embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of the water collecting cover in fig. 1.
Fig. 3 is a schematic structural view of the floating cover of fig. 1.
Fig. 4 is a schematic structural diagram of a trash can according to embodiment 2 of the present invention.
In the figure: 1-a water collecting barrel, 11-an overflow hole, 12-stones,
2-water collecting cover, 21-cover plate, 211-water collecting hole, 212-maintenance hole, 213-sealing cover, 22-connecting part, 221-mosquito inlet hole,
3-floating cover, 31-floating plate, 311-inner groove, 32-spawning groove, 321-bottom plate, 33-conical groove, 331-baffle, 332-connecting bulge, 34-protective wall, 35-guide plate,
4-a barrel body.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1-3, embodiment 1 provides a wiggler trapping and killing device, the wiggler trapping and killing device includes a water collecting barrel 1 for containing natural water, a water collecting cover 2 with a rainwater collecting function, and a floating cover 3 which is in clearance fit with the water collecting barrel 1 and can move up and down in the water collecting barrel 1, the water collecting barrel 1 is a cylindrical barrel, a wide mouth is arranged at the top of the water collecting barrel 1, the inner diameter of the water collecting barrel 1 is 250mm and the height is 300mm, an overflow hole 11 is arranged at a position of the barrel wall of the water collecting barrel 1 near the wide mouth, a filter screen is arranged at the inner side or the outer side of the overflow hole 11 to prevent the newly hatched wigglers from escaping from the overflow hole 11 when the water collecting barrel is in a full water state, the water collecting cover 2 is arranged at the wide mouth, the water collecting cover 2 includes a cover plate 21 and a connecting portion 22, the cover plate 21 is in an arc structure, one end of the connecting portion 22 is fixed at the bottom side of the cover plate 21, the other end of the connecting portion 22 is in threaded connection with the wide mouth of the water collecting barrel 1, so as to make the water collecting barrel 1 and the water collecting cover 2 enclose a closed structure, the cover plate 21 is provided with water collecting holes 211 communicating the inside and the outside of the closed structure, the cover plate 21 with an arc structure has a self-cleaning function when collecting water, after long-time use, the water collecting holes 211 are not blocked, the water collecting holes 211 on the water collecting cover 2 are close to the connecting part 22, when natural water flowing through the water collecting holes 211 enters the water collecting barrel 1, the natural water is ensured not to directly flow into the spawning tank 32, the water collecting holes 211 are provided with a plurality of water collecting holes 211, the plurality of water collecting holes 211 are arranged on the cover plate 21 at intervals along the inner ring close to the connecting part 22, the water collecting holes 211 can be provided with two rings, the adjacent water collecting holes 211 positioned on different inner rings are arranged in a staggered way, rainwater can be ensured to completely flow into the water collecting holes 211, further, the water collecting holes 211 are rectangular, the width is about 3mm, the connecting part 22 is provided with mosquito inlet holes 221 communicating the inside and outside of the closed structure, the diameter of the mosquito inlet hole 221 is 15mm, a plurality of mosquito inlet holes 221 are arranged at intervals around 1/3 of the peripheral side of the connecting part 22, so that the mosquito inlet holes 221 are non-uniformly and asymmetrically distributed on the connecting part 22, air convection in the water collecting tub 1 is reduced, the possibility of foreign matters blowing in from the mosquito inlet holes 221 is reduced, the outer edge of the cover plate 21 is larger than the outer edge of the connecting part 22, the lowest point of the outer edge is lower than the lowest point of the mosquito inlet hole 221 so as to shield the mosquito inlet holes 221, and the foreign matters are prevented from blowing into the tub from the mosquito inlet holes 221, a maintenance hole 212 penetrating the wall thickness of the cover plate 21 is arranged in the middle of the cover plate 21, the diameter of the maintenance hole 212 is 25mm, a sealing cover 213 is arranged on the top of the maintenance hole 212, the floating cover 3 is arranged in the water collecting tub 1, specifically, the floating cover 3 comprises a floating plate 31, a spawning groove 32 and a tapered groove 33, the floating plate 31 is a circular plate, the outer diameter of the floating plate 31 is 249mm, and the inner diameter of the water collecting tub 1 is 250mm, the gap between the floating plate 31 and the water collecting bucket 1 is small, which ensures smooth up and down movement of the floating plate 31, and prevents grown wigglers from escaping from the gap, the spawning tank 32 is disposed in the middle of the floating plate 31, the bottom plate 321 of the spawning tank 32 is 10mm lower than the upper surface of the floating plate 31, the inner diameter of the spawning tank 32 is 120mm, the tapered tank 33 is disposed under the bottom plate 321 of the spawning tank 32, and the large end opening of the tapered tank 33 is communicated with the spawning tank 32, the large end opening diameter of the tapered tank 33 is 50mm, the small end opening diameter is 5mm, the taper is set at 45 degrees, the bottom side of the floating plate 31 is provided with an upward inner groove 311, the inner groove 311 is used for storing air so that the floating cover 3 floats, the concave depth of the inner groove 311 is changed according to the material of each part of the floating cover 3 so as to adjust the gas content in the groove 311, thereby adjusting the depth of the accumulated water in the spawning tank 32, generally the accumulated water depth in the spawning tank 32 is 6-8mm, the floating cover 3 further comprises a circular protective wall 34 and two arc-shaped guide plates 35, the protective wall 34 is fixed on the floating plate 31, the inner wall of the protective wall 34 is flush with the inner wall of the spawning tank 32, namely the inner diameter of the protective wall 34 is 120mm, in addition, the protective wall 34 is 10mm higher than the upper surface of the floating plate 31, the protective wall 34 surrounds the spawning tank 32, external foreign matters are prevented from entering the spawning tank 32, meanwhile, rainwater is prevented from directly flowing into the spawning tank 32, the water in the spawning tank 32 is always accumulated, the guide plates 35 are fixed on the bottom plate 321 of the spawning tank 32, the two guide plates 35 are arranged in central symmetry relative to the center of the bottom plate 321 of the spawning tank 32, the height of the guide plates 35 is 10mm, in addition, one end of the guide plate 35 is connected to the side wall of the spawning tank 32, the other end of the guide plate 35 is 5mm away from the plate body of another guide plate 35, a baffle 331 with a diameter of 5mm is arranged on the lower side of the small end opening of the conical tank 33, the baffle 331 is spaced 3mm from the small end opening, which ensures that wigglers smoothly enter the water collecting barrel 1 from the tapered slot 33, but cannot reversely escape, and the baffle 331 is connected with the tapered slot 33 through a connecting protrusion 332.
The wiggler trapping and killing device provided by the embodiment has the following advantages: first, all-weather maintenance-free, adaptable to different climatic conditions. The cover plate 21 with the arc-shaped structure has a self-cleaning effect and can avoid the blockage of the water collecting hole 211, foreign matters are prevented from entering the barrel by the shielding effect of the outer edge of the cover plate 21 with the arc-shaped structure on the mosquito inlet hole 221, the foreign matters are further prevented from entering the barrel by the anti-convection design of the mosquito inlet hole 221, the rainwater cannot directly enter the spawning tank 32 due to the protection effect of the protection wall 34 on the spawning tank 32, the foreign matters or dirt carried by the rainwater is prevented from entering the spawning tank 32, the small-end opening of the conical tank 33 is prevented from being blocked by the foreign matters due to layer-layer limitation, and the device cannot lose efficacy after being used for a long time; meanwhile, the design of the floating cover 3 of the invention ensures that the evaporation water surface area is only the sum of the water surface areas of the spawning tank 32 and the conical groove 33, which is about equal to 1/4 of the water surface area of the water collecting barrel 1, compared with an open device, the evaporation speed of the accumulated water is reduced by more than 4 times, the stable water accumulation amount in the spawning tank 32 is ensured, and the volume of the device on the whole is not too large; sunlight cannot be directly injected into the barrel, so that the growth of algae and moss is avoided, and the small end opening of the conical groove 33 is further prevented from being blocked. And secondly, high efficiency and durability. The design of the protective wall 34 ensures that rainwater can only enter the tapered groove 33 and the spawning groove 32 from the small end opening of the tapered groove 33, and even if the rainfall is sufficient, the rainwater in the spawning groove 32 can be accumulated; the guide plate 35 facilitates the entry of wigglers into the tapered groove 33, thereby improving the catching efficiency. Thirdly, the trapping and killing effect is stable. The depth of the water in the spawning tank 32 does not change with the change of the water level in the water collecting bucket 1, but remains stable all the time, so the distance from the water surface in the spawning tank 32 to the small end opening of the tapered slot 33 is constant, i.e., the distance from the spawning tank 32 to the space inside the water collecting bucket 1 is the same at any time, and does not change with the change of the water level in the water collecting bucket 1, thereby ensuring the stability of the device. Fourthly, the environment is protected and the cost is low. The device only needs natural water to trap and kill the wigglers, does not pollute the environment, has low production cost, long action time and less manual maintenance, is suitable for large-scale popularization and application in residential areas such as cities, towns and the like, can greatly reduce the density of the mosquitoes, plays a role in inhibiting the breeding of the mosquitoes for a long time, and plays a role in preventing and inhibiting infectious diseases caused by mosquito bites.
The size of the wiggler trapping and killing device of this embodiment can be properly adjusted according to precipitation in different areas, when the device is used, a layer of stones 12 with the thickness of about 10mm needs to be placed at the bottom of the water collecting barrel 1, the stones 12 are soaked in rainwater, so that microorganisms can be bred, the attraction to female mosquitoes is improved, then, the water collecting barrel 1 is filled with accumulated water, and the purified tap water is not needed, but river water, pond water or water in a ditch is generally used, and then the water collecting barrel is sequentially filled with the floating cover 3 and the water collecting cover 2, the maintenance hole 212 on the water collecting cover 2 is screwed by the sealing cover 213, the wiggler trapping and killing device is installed at reasonable intervals by finding a place capable of carrying natural water near a residential area with dense mouths, one third of the lower half part of the device is buried underground during installation, the device is prevented from being blown down by strong wind, and then female mosquitoes are waited to lay eggs. Female mosquitoes enter the spawning tank 32 from the mosquito inlet hole 221 to spawn because of being attracted by accumulated water, the spawned mosquitoes incubate into wigglers after several days, the accumulated water in the spawning tank 32 is shallow, the wigglers can only move in the spawning tank 32 along the arc-shaped guide plate 35 and can be easily guided to the opening at the tail end of the arc-shaped guide plate 35 to enter the tapered groove 33 from the opening, the tapered groove 33 is easy to enter and difficultly exit, and because the wigglers have the habit of moving up and down, the wigglers can sink to the small-end opening in the tapered groove 33 and enter the space of the collecting bucket 1 (the space inside the collecting bucket) below the floating plate 31, the wigglers are difficult to reversely swim upwards due to the shielding effect of the baffle plate 331, only can grow in the inner groove 311 until the mosquitoes emerge, the mosquitoes can not find an outlet in the inner groove 311, the mosquitoes can not naturally die after several days, oxygen in the inner groove 311 gradually decreases due to the respiration of the wigglers, after a period of time, the later entering wigglers are suffocated and die due to oxygen deficiency, and cannot emerge into mosquitoes, so that the aim of killing the wigglers is fulfilled. The wigglers just hatched are very small, so as to avoid moving to the overflow holes 11 along the gap between the floating plate 31 and the water collecting barrel 1 to escape (in a full water state), a filter screen is added to the overflow holes 11 to prevent the wigglers from escaping, but after the wigglers grow up to become comma-shaped, the wigglers will be larger than the gap between the floating plate 31 and the water collecting barrel 1, and the wigglers will not emerge into mosquitoes in the gap between the floating plate 31 and the water collecting barrel 1.
The wiggler trapping and killing device that this embodiment provided, its cover 3 that floats makes the evaporation area only 1/4 of water collecting bucket 1 surface of water area, evaporation speed only has the 1/4 of open design promptly, only need fill up once water and can guarantee that the whole year can not be evaporated futilely, under the condition of extremely few rain, even if the evaporation of water in the water collecting bucket 1 has evaporated to dryness, because the tip opening of bell jar 33 lower part and the distance of baffle 331 only have 3mm, adult mosquito also can't escape from this place, consequently also need not add water by the manual work, it again automatic recovery function to have rained the device. Along with the ponding of laying eggs in the groove 32 slowly evaporates, the lid 3 that floats will slowly sink, but the surface of water in the groove 32 of laying eggs keeps unchangeable to the tip open-ended distance of tapered slot 33 for any wiggler is all the same from hatching to the distance that gets into the collector barrel inner space at any time, can not change along with the change of collector barrel 1 water level, thereby has guaranteed the stability of device. During rainy days, rainwater flows in from the water collecting hole 211, flows to the floating plate 31 along the connecting part 22 and the barrel wall of the water collecting barrel 1, and the upper part of the spawning tank 32 is provided with a protective wall 34, so that the rainwater cannot directly flow into the spawning tank 32, and only can flow into the space of the water collecting barrel 1 below the floating plate 31 from the gap between the floating plate 31 and the water collecting barrel 1, and the water in the spawning tank 32 is ensured to be accumulated in rainy days, thereby ensuring that the device also has lasting attraction to female mosquitoes in rainy days.
For maintenance convenience, a maintenance hole 212 is designed at the top of the cover plate 21, the maintenance hole 212 is usually screwed by a sealing cover 213, when inspection is needed, the condition of the floating cover 3 can be observed only by opening the sealing cover 213, and once the opening at the lower end of the tapered groove 33 is blocked, dredging can be carried out through the maintenance hole 212. Meanwhile, if the water in the water collecting barrel 1 is found to be dry, water can be supplemented through the maintenance holes 212, the whole device does not need to be disassembled and assembled, and the maintenance is very convenient.
Example 2
In order to increase attraction of the wigglers trapping and killing device to mosquitoes and to better facilitate popularization and maintenance, as shown in fig. 4, embodiment 2 provides a trash can, which includes a can body 4 and wigglers trapping and killing devices, the wigglers trapping and killing devices are arranged at the top of the can body 4, and more mosquitoes are around the trash can, so that female mosquitoes can be better induced to lay eggs.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (6)

1. The device for trapping and killing wigglers is characterized by comprising a water collecting barrel (1), a water collecting cover (2) and a floating cover (3), wherein the water collecting barrel (1) is provided with a wide opening, the water collecting cover (2) comprises a cover plate (21) and a connecting part (22), one end of the connecting part (22) is fixed at the bottom side of the cover plate (21), the other end of the connecting part (22) is detachably connected with the wide opening so as to enable the water collecting barrel (1) and the water collecting cover (2) to form a closed structure, the cover plate (21) is provided with water collecting holes (211) communicated with the inside and the outside of the closed structure, the connecting part (22) is provided with mosquito feeding holes (221) communicated with the inside and the outside of the closed structure, the floating cover (3) is arranged in the water collecting barrel (1), and the floating cover (3) is in clearance fit with the water collecting barrel (1) so as to enable the floating cover (3) to move up and down in the water collecting barrel (1), the floating cover (3) comprises a floating plate (31), a spawning groove (32) and a conical groove (33), the spawning groove (32) is arranged in the middle of the floating plate (31), the conical groove (33) is positioned on the lower side of the spawning groove (32), the large-end opening of the conical groove (33) is communicated with the spawning groove (32), a baffle (331) is arranged on the lower side of the small-end opening of the conical groove (33), and the baffle (331) and the small-end opening are arranged at intervals;
the water collecting hole (211) is close to the connecting part (22);
the cover plate (21) is of an arc-shaped structure, and the outer edge size of the cover plate (21) is larger than that of the connecting part (22) so as to shield the mosquito inlet hole (221);
a plurality of mosquito inlet holes (221) are arranged at intervals on the peripheral 1/3 of the peripheral side of the connecting part (22);
the floating cover (3) further comprises a protective wall (34), the protective wall (34) is fixed on the floating plate (31), and the inner wall of the protective wall (34) is flush with the inner wall of the spawning tank (32) and is higher than the upper surface of the floating plate (31);
the floating cover (3) further comprises two arc-shaped guide plates (35), the guide plates (35) are fixed on the bottom plate (321) of the spawning tank (32), and the guide plates (35) are opposite, and the centers of the spawning tank (32) are symmetrically arranged.
2. The mosquito larvae trapping and killing device according to claim 1, wherein a maintenance hole (212) is formed at the middle part of said cover plate (21) to penetrate the wall thickness of said cover plate (21), and a sealing cover (213) is formed at the top of said maintenance hole (212).
3. The mosquito larvae trapping and killing device according to claim 1, wherein overflow holes (11) are formed at the wall of said water collecting barrel (1) near said wide opening.
4. Mosquito larvae trapping and killing device according to claim 1, wherein said floating plate (31) is provided with an inner groove (311) at the bottom side, said inner groove (311) is used for storing air to float said floating cover (3).
5. The mosquito trap killing device according to claim 1, wherein said baffle (331) is connected to said tapered groove (33) by a connecting protrusion (332).
6. A trash can, comprising a can body (4) and wiggler trapping and killing device according to any one of claims 1-5, which is disposed on the top of the can body (4).
CN201811494171.9A 2018-12-04 2018-12-04 A device for trapping and killing larvae and a trash can Expired - Fee Related CN109497006B (en)

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CN109497006B true CN109497006B (en) 2021-07-20

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WO2021034278A1 (en) * 2019-08-16 2021-02-25 Scg Chemicals Company Limited Mosquito trap
WO2022058784A1 (en) * 2020-09-21 2022-03-24 Green Strike International Mosquito preventer
CN113712002A (en) * 2020-12-29 2021-11-30 东莞通力塑胶制品有限公司 Mosquito killer capable of inducing mosquitoes to lay eggs
CN112931413B (en) * 2021-01-25 2022-07-26 东莞通力塑胶制品有限公司 Mosquito spawning and automatic inactivation device
CN113273556B (en) * 2021-06-22 2022-11-04 金华职业技术学院 A portable mosquito egg collection device for insect survey

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