CN110089505B

CN110089505B - A tree insecticidal device for municipal gardens

Info

Publication number: CN110089505B
Application number: CN201910341174.7A
Authority: CN
Inventors: 高敏楚; 蒋国富; 萧振豹; 王贤汪
Original assignee: Zhejiang Yilong Construction Co ltd
Current assignee: Beijing Jinhengyi Environmental Protection Technology Co ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2021-05-11
Anticipated expiration: 2039-04-25
Also published as: CN110089505A

Abstract

The invention discloses an insecticidal device for trees used in municipal gardens. The main points of its technical solution include a bottle body, a bottle neck, a bottle bottom, a bottle cap and a lure core. The bottle neck is provided with an insect inlet, and the bottle body is connected with the bottle neck. The bottle neck is connected with the bottle cap, the upper side of the bottle cap is connected with a ring, the lure is located inside the bottle body and is provided with a release hole, and the bottle bottom includes a connecting ring connected with the bottle body, and a connecting ring hinged on the lower end of the connecting ring. A bottom cover, the bottom cover includes a bottom plate hinged with the connecting ring, a rotating plate connected to both sides of the bottom plate, and a pull ring connected to the lower side of the bottom plate, the inner side of the connecting ring is connected with a limiting column, and the rotating plate is provided with a An arc-shaped hole through which the limiting column passes, the inner wall of the arc-shaped hole is provided with a limiting protrusion, and the limiting column is provided with a limiting groove into which the limiting protrusion is clamped. Hook the pull ring with your fingers, pull down the bottom plate until there is a gap between it and the connecting ring, put the recovery bag on the lower end of the bottom plate, and slide the pest carcasses into the recovery bag. The cleaning process is fast and convenient.

Description

Municipal garden uses trees insecticidal device

Technical Field

The invention relates to a tool for municipal gardens, in particular to a tree pest killing device for municipal gardens.

Background

Municipal roads and garden landscapes can not be separated from green plants, and tall trees can absorb tail gas and purify air, and also have the effects of shading, beautifying the environment and the like. The tree species selected for municipal roads and garden landscapes generally have the advantages of fast growth, air pollution resistance, strong environmental adaptability and the like, such as camphor, ginkgo, sycamore, magnolia denudata and the like. The pest and disease cause the trees to grow badly and even die, which causes serious economic loss, for example, the camphorwood bees bite the tender leaves at the upper part of the tree crown of the camphor tree, which seriously affects the growth of the trees.

At present, the insect killing modes are various, the most common mode is insecticide, but the insecticide is more or less residual, so that the environmental pollution is easily caused, and the insecticide is harmful to human bodies. Besides, the method utilizes natural enemies to kill insects, trap and capture and other environmental protection modes. The trapping method is divided into light trapping method and trapping agent trapping method.

Chinese patent with publication number CN100486430C discloses a pest trap, which comprises a bottle cap, a bottle body and a lure core, wherein the lure core is sleeved in the bottle body, the top of the lure core is provided with an outer flange clamped on the bottle mouth of the bottle body, a cap seat of the bottle cap is in threaded fit with the bottle mouth of the bottle body, the cap seat can be screwed on the bottle mouth of the bottle body, the bottle cap, the bottle body and the lure core are assembled into a whole, a cap of the assembled bottle cap covers the bottle neck of the bottle body, and the lower edge of the cap is engaged with the bottle shoulder of the bottle body.

The insect killing process of the insect pest trap is as follows: the luring core is filled with luring medicament which is volatilized from the air release port of the luring core, passes through the insect-attracting port on the bottle neck of the bottle body and then escapes outwards from the insect-attracting port on the bottle cap so as to attract pests, and the pests are attracted by the luring medicament, enter from the insect-attracting port and enter the bottle body along the insect-attracting port, thereby achieving the purpose of trapping the pests. However, the following technical drawbacks still exist: when the dead pests in the bottle body are accumulated too much, the bottle cap needs to be unscrewed firstly, then the bottle body is separated from the lure core, and then the pests in the bottle body are poured out, which is very troublesome and needs to be improved.

Disclosure of Invention

Aiming at the technical defects, the invention aims to provide a tree pest killing device for municipal gardens, which is suitable for outdoor garden landscapes and municipal street trees and has high pest cleaning efficiency.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a trees insecticidal device is used in municipal garden, includes body, bottleneck, bottle end, bottle lid and lures the core, the bottleneck is provided with into the insect population, the body is connected with the bottleneck, the bottleneck is connected with the bottle lid, the bottle lid upside is connected with rings, lure the core to be located the body inside and be equipped with the gas release hole, include the go-between be connected with the body at the bottom of the bottle, articulate in the bottom of go-between lower extreme, the bottom includes with go-between articulated bottom plate, connect in the rotor plate of bottom plate both sides, connect in the pull ring of bottom plate downside, the go-between inboard is connected with spacing post, the rotor plate is provided with the arc hole that supplies spacing post to pass, arc hole inner wall is provided with spacing lug, spacing post is provided with the spacing groove.

By adopting the technical scheme, the insect killing device is hung at the branch, the attracting core releases attracting gas, the attracting gas escapes from the insect inlet, pests are attracted by the attracting gas and enter the bottle from the insect inlet, and the pests continuously move near the attracting core until the pests die. After the pest corpse is piled up a quantitative, the pull ring is hooked to the finger, pull-down bottom plate, the relative go-between of bottom plate rotates and withstands the arc hole other end until spacing post, has the clearance between bottom plate and the go-between this moment, overlaps the recovery bag in the bottom plate lower extreme, and the pest corpse slides to the recovery bag in along the bottom plate, and the pest corpse rocks the body when being difficult to pour out can, and the pest corpse in the clearance bottle is convenient fast, labour saving and time saving. Rainwater flowing into the bottle from the insect inlet can be discharged by adopting the method, so that the trouble that the lure core is difficult to release gas due to water accumulation in the bottle is avoided.

The invention is further configured to: bottom plate one side is connected with articulated portion, the go-between is provided with the articulated chamber that supplies articulated portion card to go into, be connected with the articulated shaft that passes articulated portion between two relative inner walls in articulated chamber, the bottom plate deviates from the one end of articulated portion and extends to and hugs closely with the body inner wall, the go-between lower extreme is provided with the groove of stepping down that supplies the bottom plate card to go into, the body inboard is connected with the locating piece, the go-between outside is provided with and supplies locating piece card to go into and follow body endwise slip's constant head tank, constant head tank inner wall connection has lower fixture block, the.

Through adopting above-mentioned technical scheme, be difficult to rotate around the articulated shaft when bottom plate and body inner wall are hugged closely, and then help improving the support intensity of bottom plate, avoid the unexpected trouble that leads to the dead body of pest to pour out of rotating of bottom plate. When the pest corpse needs to be poured out, the pull ring is hooked to apply force downwards, the bottom cover can move downwards, the lower clamping block is separated from the clamping groove until the positioning block is located at the other end of the positioning groove, the bottom plate moves to be separated from the bottle body at the moment, the pull ring is pulled, and the bottom plate can rotate to be opened. The extension of the bottom plate is also beneficial to being clamped into a recovery bag, so that the recovery is convenient.

The invention is further configured to: the upper end of the positioning groove is communicated with a rotating groove for the positioning block to rotate around the axial direction of the bottle body, and one end of the rotating groove, which is far away from the positioning groove, is communicated with a moving-out groove for the positioning block to move out.

Through adopting above-mentioned technical scheme, after the bottom moved to the constant head tank upper end until the locating piece, rotated the bottom and moved to the groove department that shifts out until the locating piece, the bottom just can move down and separate with the body of a bottle, and it is quick convenient to dismantle, and the washing of being convenient for goes on.

The invention is further configured to: the lure core comprises a material placing barrel, the upper end of the material placing barrel is connected with a barrel cover, the upper end of the connecting ring is connected with a connecting frame, and the material placing barrel is connected with the connecting frame.

By adopting the technical scheme, the material placing cylinder can be used for placing luring medicaments in various states such as liquid, powder, block and the like, for example, sex pheromone aiming at specific pests. Lure the core to be connected with the bottom, consequently lure the core to take out jointly when pulling down the bottom, and then be convenient for feed in raw material, labour saving and time saving.

The invention is further configured to: the bottleneck comprises an arc-shaped ring which is connected with the bottle body and is in an inverted U shape, the inner side of the arc-shaped ring is connected with a J-shaped neck ring, and the insect inlet is formed in the side wall of the neck ring.

Through adopting above-mentioned technical scheme, can follow the inner wall or move round luring the core after the pest gets into the bottle, the arc ring makes the pest be difficult to remove to entering worm mouth department, and the insecticidal is effectual.

The invention is further configured to: the air release hole is arranged on the cylinder cover.

Through adopting above-mentioned technical scheme, lure gas to escape outside the bottle easily, trap effectually.

The invention is further configured to: the scraper ring is tightly attached to the inner side of the arc-shaped ring, the upper side of the scraper ring is connected with a push-pull strip penetrating through the arc-shaped ring, the push-pull strip comprises a connecting strip connected with the scraper ring, the connecting strip is hinged to a rotating strip, one opposite ends of the rotating strip and the connecting strip are respectively connected with a rotating block and a connecting block, a connecting shaft is jointly penetrated through the rotating block and the connecting block, and a hole through which the connecting shaft penetrates through the rotating block is a waist-shaped hole.

Through adopting above-mentioned technical scheme, when rotating the strip and rotate to with the connecting strip collineation, the push-and-pull strip pushes down, scrapes the worm ring and just can move down and will glue the pest corpse of gluing at the body inner wall and scrape down to the bottom in, play better clearance effect. When the rotating strip rotates to be vertical to the connecting strip, the rotating strip transversely moves until the connecting shaft moves to the other end of the waist-shaped hole, the rotating strip is further difficult to rotate, and the insect scraping ring is difficult to move downwards.

The invention is further configured to: the material placing barrel is connected with a material feeding pipe, a material feeding hole is formed in the side wall of the bottle body, and the opening of the material feeding pipe is opposite to the material feeding hole when the upper clamping block is clamped into the clamping groove.

Through adopting above-mentioned technical scheme, the pan feeding pipe is just to the pan feeding hole after the bottom is pulled down, therefore people can utilize the syringe to inhale fully and lure the medicament, stretch into the pan feeding pipe with the syringe needle again, and then will lure the medicament injection and lure the in-core, need not to open and take out and lure the core, labour saving and time saving is applicable to the liquid medicament that lures.

The invention is further configured to: the inner wall of the positioning groove is connected with an upper clamping block which is clamped into the clamping groove.

Through adopting above-mentioned technical scheme, bottom pull-down back goes up the fixture block card and goes into the draw-in groove, and then makes the locating piece be difficult to rotate along the rotating groove.

In conclusion, the invention has the following beneficial effects:

1. the pouring structure design of the bottom cover is convenient for people to quickly clean the pest corpses in the bottle and pour accumulated water in the bottle;

2. the quick-release structure design of the bottle bottom and the connection of the lure core and the bottle bottom are convenient for filling the lure agent into the lure core;

3. the structural design of the bottleneck is good in trapping effect.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged schematic view of region B of FIG. 2;

FIG. 4 is an enlarged schematic view of region C of FIG. 2;

FIG. 5 is an enlarged schematic view of region D of FIG. 2;

FIG. 6 is a schematic view of the structure of the lure, bottle bottom and connecting rack in the embodiment;

FIG. 7 is a schematic structural view showing the bottle bottom in an open state in the embodiment;

FIG. 8 is a schematic structural view of the scraper ring and the push-pull strip in an embodiment;

fig. 9 is an enlarged schematic view of region E in fig. 8.

Description of reference numerals: 1. a bottle body; 11. positioning blocks; 111. a card slot; 12. a feeding hole; 2. a bottleneck; 21. an arc-shaped ring; 22. a neck ring; 221. an insect inlet; 3. a bottle bottom; 31. a connecting ring; 311. a limiting column; 3111. a limiting groove; 312. a hinge chamber; 313. hinging a shaft; 314. a yielding groove; 315. positioning a groove; 3151. a lower clamping block; 3152. an upper clamping block; 316. a rotating groove; 317. moving out of the groove; 32. A bottom cover; 321. a base plate; 3211. a hinge portion; 322. a rotating plate; 3221. an arc-shaped hole; 3222. a limiting bump; 323. a pull ring; 4. a bottle cap; 41. a hoisting ring; 5. a lure core; 51. placing a charging barrel; 52. a cylinder cover; 521. a gas release hole; 53. a feeding pipe; 6. a connecting frame; 7. a pest scraping ring; 8. pushing the pull strip; 81. a connecting strip; 811. connecting blocks; 82. rotating the strip; 821. rotating the block; 8211. a waist-shaped hole; 83. and (7) connecting the shafts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a trees insecticidal device is used in municipal garden, as shown in figure 1, 2, including body 1, body 1 upper end fixedly connected with bottleneck 2, lower extreme can be dismantled and be connected with the bottle end 3, and 2 upper end threaded connection of bottlenecks have a bottle lid 4, and 3 inboards at the bottom of the bottle are connected with through link 6 and lure core 5.

As shown in fig. 2, the bottle neck 2 includes an inverted U-shaped arc ring 21 fixedly connected to the inner side of the upper end of the bottle body 1, and a J-shaped neck ring 22 fixedly connected to the inner side of the arc ring 21. The neck 2 of the bottle thus tapers with decreasing inner diameter, with the distance from the bottom 3 increasing, then decreasing, and then increasing. The upper end of the neck ring 22 is connected with the bottle cap 4 by screw thread, and the side wall of the neck ring 22 is provided with an insect inlet 221 in a penetrating way. The upper side of the bottle cap 4 is fixedly connected with a hanging ring 41. The rope passes through the hanging ring 41, the insect killing device can be hung at the branch, the lure core 5 releases luring gas, the luring gas escapes from the insect inlet 221, pests are attracted by the lure device and enter the bottle from the insect inlet 221, and the pests continuously move near the lure core 5 until the pests die.

As shown in fig. 2 and 3, the bottle body 1 is cylindrical, and the bottle bottom 3 includes a connecting ring 31 closely attached to the inner wall of the bottle body 1 and a bottom cover 32 hinged to the lower end of the connecting ring 31. The outer edge of the cross section of the connecting ring 31 is circular, the inner edge of the cross section of the connecting ring 31 is square, the upper end face of the connecting ring 31 inclines towards the inside of the connecting ring, and therefore insect corpses can slide into the connecting ring 31. The bottom cover 32 comprises a bottom plate 321 hinged with the connecting ring 31 and used for closing the opening at the lower end of the connecting ring 31, one end of the bottom plate 321 is fixedly connected with a hinged part 3211, and the other end is tightly attached to the inner wall of the bottle body 1. The connection ring 31 is provided with a hinge cavity 312 into which the hinge portion 3211 is snapped, and an escape groove 314 into which the bottom plate 321 is snapped (as shown in fig. 7). A hinge shaft 313 passing through the hinge portion 3211 is fixedly coupled between opposite inner walls of the hinge chamber 312, so that the base plate 321 can rotate about the hinge shaft 313 to open the lower end of the connection ring 31. The lower side of the bottom plate 321 is fixedly connected with a pull ring 323, which is convenient for a human hand to hook the pull ring 323 to drive the bottom plate 321 to rotate.

As shown in fig. 2 and 3, the two opposite sides of the bottom plate 321 are fixedly connected with a rotating plate 322 tightly attached to the inner wall of the connecting ring 31, the inner wall of the connecting ring 31 is fixedly connected with a limiting post 311, the rotating plate 322 is provided with an arc-shaped hole 3221 for the limiting post 311 to pass through and rotate around the hinge shaft 313, the inner wall of the arc-shaped hole 3221 facing one end of the bottom plate 321 is fixedly connected with a limiting protrusion 3222, and the limiting post 311 is provided with a limiting groove 3111 for the limiting protrusion 3222 to be clamped into. When the bottom plate 321 closes the opening of the connecting ring 31, the pest corpse cannot fall out, at this time, the bottom plate 321 is perpendicular to the bottle body 1, the limiting column 311 is tightly attached to the inner wall of the end, facing the bottom plate 321, of the arc-shaped hole 3221, and the limiting projection 3222 is clamped into the limiting groove 3111. The bottom plate 321 is pulled to rotate around the hinge shaft 313 until the limiting column 311 is tightly attached to the inner wall of one end, deviating from the bottom plate 321, of the arc-shaped hole 3221, the recovery bag is sleeved at the lower end of the bottom plate 321, the pest corpse slides into the recovery bag along the bottom plate 321, the pest corpse is shaken when being difficult to pour out, the pest corpse in the bottle is cleaned quickly and conveniently, and time and labor are saved.

As shown in fig. 2 and 4, two positioning blocks 11 that are symmetrical about the axis center of the bottle body 1 are fixedly connected to the inner side of the bottle body 1, a positioning groove 315 into which the positioning blocks 11 are inserted and which slides along the axial direction of the bottle body 1 is provided on the outer side of the connecting ring 31, an upper fixture block 3152 is fixedly connected to the inner wall of the upper end of the positioning groove 315, a lower fixture block 3151 is fixedly connected to the inner wall of the lower end of the positioning groove 315, and a clamping groove 111 into which the lower fixture block 3151 or.

When the positioning block 11 is located at one end of the positioning groove 315 far away from the rotating groove 316 and the lower clamping block 3151 is clamped into the clamping groove 111, the lower side surface of the bottom plate 321 is higher than the lower end of the bottle body 1, and the bottom plate 321 has a certain thickness and is tightly attached to the inner wall of the bottle body 1, so that the bottom plate 321 is difficult to rotate around the hinge shaft 313, the supporting strength of the bottom plate 321 is further improved, and the trouble that the pest corpses are poured out due to accidental rotation of the bottom plate 321.

As shown in fig. 4 and 6, a rotating groove 316 for allowing the positioning block 11 to rotate around the axial direction of the body 1 is communicated with the upper end of the positioning groove 315, and a moving-out groove 317 for allowing the positioning block 11 to move along the axial direction of the body 1 to be separated from the connecting ring 31 is communicated with one end of the rotating groove 316 far away from the positioning groove 315. When the positioning block 11 is located at one end of the positioning groove 315 facing the rotating groove 316 and the upper clamping block 3152 is clamped into the clamping groove 111, the upper side surface of the bottom plate 321 is lower than the lower end of the bottle body 1, so that the bottom plate 321 is not tightly attached to the inner wall of the bottle body 1, and the bottom plate 321 can rotate around the hinge shaft 313, so that the pest corpse can be poured out conveniently. At this time, the connecting ring 31 is screwed until the positioning block 11 is located at the junction of the rotating groove 316 and the removing groove 317, then the bottom cover 32 is pulled down, the positioning block 11 can be separated from the connecting ring 31 along the removing groove 317, and the bottle bottom 3 can be further detached, so that the cleaning is convenient.

As shown in fig. 2 and 5, the lure 5 includes a material placing cylinder 51, a cylinder cover 52 is plugged at the upper end of the material placing cylinder 51, and a gas releasing hole 521 is arranged in the middle of the cylinder cover 52. The connecting frame 6 is four and strip-shaped, the connecting frame 6 is fixedly connected between the outer wall of the lower end of the material placing barrel 51 and the inclined plane of the upper end of the connecting ring 31, and the material placing barrel 51 can be used for placing luring medicaments in various states such as liquid, powder, block and the like, for example sex pheromone aiming at specific pests. The lure core 5 is connected with the bottom cover 32, so that the lure core 5 can be taken out together when the bottom cover 32 is detached, thereby being convenient for feeding, and saving time and labor. The upper end of the material placing barrel 51 is fixedly connected with a material feeding pipe 53 which is obliquely arranged, the material feeding pipe 53 is communicated with the inner cavity of the material placing barrel 51, the side wall of the bottle body 1 is provided with a material feeding hole 12, and the opening of the material feeding pipe 53 is opposite to the material feeding hole 12 when the upper clamping block 3152 is clamped into the clamping groove 111. Therefore, people can fully suck the attractant by using the injector, extend the needle into the feeding pipe 53, and further inject the attractant into the attractant core 5 without opening and taking out the attractant core 5, so that the attracting device is time-saving and labor-saving, and is suitable for liquid attractant.

As shown in fig. 2 and 8, the inner side of the arc-shaped ring 21 is tightly attached with the insect scraping ring 7, and the upper side of the insect scraping ring 7 is connected with the push-pull strip 8 which passes through the arc-shaped ring 21. The push-pull strip 8 is pressed downwards, the insect scraping ring 7 can move downwards to scrape the insect corpse adhered to the inner wall of the bottle body 1 down to the bottom cover 32, and a good cleaning effect is achieved.

As shown in fig. 8 and 9, the push-pull strip 8 comprises a connecting strip 81 fixedly connected with the scraper ring 7 and passing through the arc-shaped ring 21, and the connecting strip 81 is hinged with a rotating strip 82. One end of the rotating strip 82 opposite to the connecting strip 81 is fixedly connected with a rotating block 821 and a connecting block 811 respectively, and the rotating block 821 and the connecting block 811 rotate together to penetrate through a connecting shaft 83. The rotating strip 82 can thus rotate relative to the connecting strip 81 until the two are perpendicular, at which point the push-pull strip 8 cannot pass through the curved ring 21, so that the scraper ring 7 cannot accidentally fall off. The hole of the rotating block 821 for the connecting shaft 83 to pass through is a waist-shaped hole 8211, the connecting strip 81 is short, when the insect scraping ring 7 is tightly attached to the arc-shaped ring 21, the connecting strip 81 is positioned in the hole of the arc-shaped ring 21, and the connecting block 811 extends out of the arc-shaped ring 21. When the rotating bar 82 rotates to be perpendicular to the connecting bar 81, the rotating bar is pushed in the direction of the neck ring 22 to rotate until the connecting shaft 83 moves to the other end of the waist-shaped hole 8211, and the side edge of the rotating bar 82 abuts against the arc-shaped ring 21, so that the rotating bar 82 is difficult to rotate, and the limiting effect of the insect scraping ring 7 is improved.

The working process is as follows:

when the pest corpses need to be dumped, the pull ring 323 is hooked firstly, the pull ring 323 is pulled down, the connecting ring 31 moves downwards to the upper clamping block 3152 to be clamped into the clamping groove 111, then the pull ring is pulled down continuously until the bottom plate 321 rotates, the limiting column 311 moves to one end, far away from the bottom plate 321, of the arc-shaped hole 3221, and the pest corpses can slide out along the bottom plate 321.

When the bottle bottom 3 needs to be detached for cleaning, the forefinger hooks the pull ring 323, the thumb supports against one end of the bottom plate 321 far away from the hinge shaft 313, the pull-down is performed until the upper clamping block 3152 is clamped into the clamping groove 111, then the bottle bottom 3 is rotated until the positioning block 11 moves to the junction of the rotating groove 316 and the moving-out groove 317, and then the bottle bottom 3 moves downwards to be separated from the bottle body 1.

When the attractant is required to be injected into the attracting core 5, the forefinger hooks the pull ring 323, the thumb is supported against one end of the bottom plate 321 far away from the hinge shaft 313, the pull-down is carried out until the upper clamping block 3152 is clamped into the clamping groove 111, then the injector pillow penetrates through the feeding hole 12 and extends into the feeding pipe 53, and finally the solution is injected.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a municipal garden uses trees insecticidal device which characterized in that: comprises a bottle body (1), a bottle neck (2), a bottle bottom (3), a bottle cap (4) and a lure core (5), wherein the bottle neck (2) is provided with an insect inlet (221), the bottle body (1) is connected with the bottle neck (2), the bottle neck (2) is connected with the bottle cap (4), the upper side of the bottle cap (4) is connected with a hanging ring (41), the lure core (5) is positioned in the bottle body (1) and is provided with an air release hole (521), the bottle bottom (3) comprises a connecting ring (31) connected with the bottle body (1) and a bottom cover (32) hinged at the lower end of the connecting ring (31), the bottom cover (32) comprises a bottom plate (321) hinged with the connecting ring (31), rotating plates (322) connected at two sides of the bottom plate (321) and a connecting ring (323) connected at the lower side of the bottom plate (321), a limit column (311) is connected at the inner side of the bottom plate (31), the rotating plates (322) are, a limiting bump (3222) is arranged on the inner wall of the arc-shaped hole (3221), and a limiting groove (3111) for the limiting bump (3222) to be clamped in is arranged on the limiting column (311); bottom plate (321) one side is connected with articulated portion (3211), connecting ring (31) are provided with the articulated chamber (312) that supplies articulated portion (3211) card to go into, be connected with articulated shaft (313) that pass articulated portion (3211) between two relative inner walls in articulated chamber (312), the one end that bottom plate (321) deviates from articulated portion (3211) extends to hugs closely with body (1) inner wall, connecting ring (31) lower extreme is provided with the groove of stepping down (314) that supply bottom plate (321) card to go into, body (1) inboard is connected with locating piece (11), the connecting ring (31) outside is provided with and supplies locating piece (11) card to go into and follow body (1) endwise slip's constant head tank (315), constant head tank (315) inner wall connection has down fixture block (3151), locating piece (11) are provided with under the confession draw-in groove (111) that fixture.

2. The tree pest killing device for municipal garden according to claim 1, wherein: the upper end of the positioning groove (315) is communicated with a rotating groove (316) for the positioning block (11) to rotate around the bottle body (1) in the axial direction, and one end, far away from the positioning groove (315), of the rotating groove (316) is communicated with a moving-out groove (317) for the positioning block (11) to move out.

3. The tree pest killing device for municipal garden according to claim 1, wherein: the lure core (5) comprises a material placing barrel (51), the upper end of the material placing barrel (51) is connected with a barrel cover (52), the upper end of the connecting ring (31) is connected with a connecting frame (6), and the material placing barrel (51) is connected with the connecting frame (6).

4. The tree pest killing device for municipal garden according to claim 3, wherein: the bottle neck (2) comprises an arc-shaped ring (21) which is connected with the bottle body (1) and is in an inverted U shape, the inner side of the arc-shaped ring (21) is connected with a J-shaped neck ring (22), and the insect inlet (221) is formed in the side wall of the neck ring (22).

5. The tree pest killing device for municipal garden according to claim 4, wherein: the air release hole (521) is formed in the cylinder cover (52).

6. The tree pest killing device for municipal garden according to claim 4, wherein: the utility model discloses a scraper ring, including arc ring (21), scraper ring (7) inboard is hugged closely has scraper ring (7), scraper ring (7) upside is connected with push-pull strip (8) of passing arc ring (21), push-pull strip (8) include connecting strip (81) be connected with scraper ring (7), connecting strip (81) articulate has rotation strip (82), rotation strip (82) and connecting strip (81) are connected with turning block (821) and connecting block (811) respectively to one end in opposite directions, connecting axle (83) are worn to be equipped with jointly by turning block (821) and connecting block (811), the hole that turning block (821) supplied connecting axle (83) to pass is waist hole (8211).

7. The tree pest killing device for municipal garden according to claim 3, wherein: put feed cylinder (51) and be connected with pan feeding pipe (53), body (1) lateral wall is provided with pan feeding hole (12), constant head tank (315) inner wall is connected with last fixture block (3152) that are used for the card to go into draw-in groove (111), pan feeding pipe (53) opening is just to pan feeding hole (12) when going up fixture block (3152) card income draw-in groove (111).