CN112243996A - Device is killed to granary pest - Google Patents

Abstract

The invention discloses a pest trapping and killing device for a grain barn, which comprises a pest collector, a suction pipe and a negative pressure device, wherein a central pipe vertically penetrating through the pest collector is arranged at the central shaft of the pest collector, the suction pipe is detachably connected to the upper end of the central pipe, and the negative pressure device is connected to the upper end of the suction pipe, so that the negative pressure device can generate negative pressure and suck grains at the bottom end of the pest collector through the suction pipe and the central pipe. The pest trap can be inserted into a grain pile to a specified depth to trap and kill deep-layer pests in the grain pile, the resistance of inserting the pest trap into the grain pile is small, the pest trap is more convenient and labor-saving in the use process, the probability of the pests entering the pest trap is increased by the large-aperture pest trapping holes, and the pest trapping holes are prevented from being blocked by broken grains.

Description

Device is killed to granary pest

Technical Field

The invention relates to the technical field of granary pest killing, in particular to a granary pest killing device.

Background

With the continuous development of the grain storage system in China, the grain storage depth of grain warehouses such as tall and large horizontal warehouses, shallow circular warehouses, vertical silos and the like is continuously increased and can even reach 20-45 meters. In the long-term storage process of grains, eggs in grain piles can be hatched into grain storage pests, if the pests are not found and effectively controlled in time, the pests can propagate in a large amount in a short time, the grain storage safety is seriously harmed, and great economic loss is caused. Therefore, the pests at different depths of the granary need to be monitored, trapped and killed in time.

Patent CN 106212415A discloses a granary pest monitoring entrapment device, and this entrapment device includes electric shock formula moth-killing lamp, sets up and is funnel-shaped connects the worm groove and sets up and connect the cylindrical worm pipe of worm groove lower part under electric shock formula moth-killing lamp. Patent CN 109362365a discloses a fumigation and pest-killing chemical dosing device for household granary, which comprises an insertion rod, a through hole arranged along the central axis of the insertion rod, a push-pull rod in the through hole, and a chemical dosing cylinder at the front end of the insertion rod.

Although the pest trapping and killing device can trap and kill pests in the granary, the pest trapping and killing device cannot be inserted into the deep part of the grain pile due to the limitation of the structure of the device, and the resistance of grains to the device is large when the pest trapping and killing device is inserted into the grain pile, so that the equipment is difficult to place.

Therefore, the above-mentioned existing granary deinsectization device still has inconvenience and defects in structure and use, and further improvement is needed. How to create a new device for catching and killing pests in a granary belongs to one of the current important research and development subjects.

Disclosure of Invention

The invention aims to solve the technical problem of providing a barn pest trapping and killing device, which can be placed deep in a grain stack for pest trapping and killing, thereby overcoming the defects of the existing barn pest killing device.

In order to solve the technical problem, the invention provides a pest trapping and killing device for a grain bin, which comprises a pest collector, a suction pipe and a negative pressure device, wherein a central through pipe vertically penetrating through the pest collector is arranged at the central shaft of the pest collector, the suction pipe is detachably connected to the upper end of the central through pipe, and the negative pressure device is connected to the upper end of the suction pipe, so that the negative pressure device can generate negative pressure and suck grains at the bottom end of the pest collector through the suction pipe and the central through pipe.

As an improvement of the invention, the insect collector is a hollow cylindrical shell, and the bottom end of the insect collector is conical.

Furthermore, a plurality of side wings which vertically extend out are arranged on the outer wall of the insect collector.

Further, the upper end of insect collector is provided with the blanking cover, through forward threaded connection between blanking cover and the main part, be provided with the recovery rope on the blanking cover.

Furthermore, a plurality of insect attracting holes are formed in the outer wall of the insect collector, and the diameter of each insect attracting hole is 2-15 mm.

Furthermore, the diameter of the insect attracting hole on the outer wall of the insect collector is 5-10 mm.

Furthermore, the inner wall of the insect collector is provided with a metal net, and the diameter of a mesh of the metal net is 1 mm-5 mm.

Furthermore, the insect collector is filled with porous sponge, the pore diameter of the porous sponge is 1-5 mm, and attractant, insecticide, glue and fumigation medicament are soaked in the porous sponge.

Further, the suction pipe is composed of multistage branch pipes detachably connected in series.

Further, the suction duct includes a primary suction duct, a secondary suction duct, and a tertiary suction duct, wherein:

the primary suction pipe is in threaded connection with the middle through pipe, and threads between the primary suction pipe and the middle through pipe are reverse threads;

the secondary suction pipe comprises a plurality of secondary branch pipes which are sequentially connected in series through forward threads, and the lower end of the secondary suction pipe is connected with the primary suction pipe through the forward threads;

the three-level suction pipe is connected to the upper end of the second-level suction pipe through positive threads, and a handle is arranged at the upper end of the three-level suction pipe.

After adopting such design, the invention has at least the following advantages:

1. the negative pressure device provides negative pressure, so that the grains which prevent the pest collector from going deep into the grain pile are pumped into the negative pressure device along the middle through pipe and the suction pipe, and the resistance of the pest collector inserted into the deep part of the grain pile can be reduced;

2. the insect collector can be inserted into the grain pile to a specified depth by the connection mode of connecting a plurality of secondary suction pipes in series;

3. when the suction pipe needs to be detached after the insect collector is inserted into a specified depth, the reverse thread design between the primary suction pipe and the insect collector can ensure that the suction pipe is integrally detached, meanwhile, the insect collector can be placed on the side wing of the side wall of the insect collector to rotate, and a handle on the tertiary suction pipe is more convenient to apply force;

4. the insect trap hole diameter on the insect collector is 5mm ~ 10mm, be greater than the insect trap hole on the traditional deinsectization device, can increase the probability that the pest gets into the insect collector, and can prevent that the insect trap hole from being blockked up by grain, aperture on the porous sponge is inside 1mm ~ 5mm can make the pest get into porous sponge, and can prevent that grain from getting into inside the insect collector, inside attractant and the insecticide of containing of porous sponge, can kill the inside pest that gets into porous sponge, prevent that the pest from escaping.

Drawings

The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.

FIG. 1 is a schematic structural view of a barn pest killing device provided by the invention;

FIG. 2 is a schematic structural view of the insect trap;

FIG. 3 is a schematic structural view of a housing of the insect trap;

FIG. 4 is a schematic structural view of a porous sponge;

fig. 5 is a schematic structural view of a blocking cover of the insect trap.

FIG. 6 is a flow chart of the use of the barn pest killing device of the present invention.

Description of reference numerals: 1-insect collector; 11-a body; 111-a main body housing; 112-insect attracting holes; 113-flank; 114-a first internal thread; 115-middle through pipe; 116-reverse threading; 12-a porous sponge; 121-holes; 122-a first via; 13-blocking cover; 131-a cover body; 132-a first external thread; 133-a second via; 134-recovery rope; 2-a suction pipe; 21-primary suction pipe; 22-secondary aspiration tube; 23-a tertiary suction pipe; 24-a handle; and 3, a negative pressure device.

Detailed Description

Referring to fig. 1, the invention provides a pest trapping and killing device for a grain barn, which comprises a pest collector 1, a suction pipe 2 and a negative pressure device 3, wherein the pest collector 1, the suction pipe 2 and the negative pressure device 3 are sequentially communicated from bottom to top, the negative pressure device 3 generates negative pressure to suck out grains at the bottom of the pest collector 1 through the suction pipe 2, and the pest collector 1 is favorably inserted into the deep part of a grain pile.

Referring to fig. 2, the insect collector 1 includes a main body 11, a porous sponge 12 and a blocking cover 13, the main body 11 is a cylindrical hollow shell with an open upper end, the porous sponge 12 is filled in the main body 11, and the blocking cover 13 is connected to the upper end of the main body 11 through a screw thread and is used for closing the main body 11.

Referring to fig. 3, the main body 11 includes a main body housing 111, the upper portion of the main body housing 111 is cylindrical, the lower end of the main body housing 111 is inverted conical, the main body housing 111 is provided with a plurality of insect attracting holes 112, and the upper end of the main body housing 111 is provided with a first internal thread 114 for engaging with the blocking cover 13. A middle through pipe 115 is vertically arranged at the central axis of the main body shell 111, the middle through pipe 115 vertically penetrates through the main body shell 111 from top to bottom, and a reverse thread 116 is arranged at the upper end of the middle through pipe 115.

Preferably, the diameter of the insect attracting holes 112 is 2mm to 15mm, and more preferably, the diameter of the insect attracting holes 112 is 5mm to 10 mm.

Preferably, the outer wall of the main body shell 111 is provided with a plurality of side wings 113, the side wings 113 radially and vertically extend out of the outer wall of the main body shell 111, and the side wings 113 are used for increasing the resistance of the grain pile to the insect collector 1 to prevent the insect collector 1 from rotating when the suction pipe 2 needs to be taken out after the insect collector 1 is inserted into the grain pile to a specified depth, so that the rotary taking-out of the suction pipe 2 is more convenient.

Referring to fig. 4, the porous sponge 12 is closely attached to the inner wall of the main body case 111, the diameter of the holes 121 of the porous sponge 12 is 1mm to 5mm, and the porous sponge is impregnated with attractant, insecticide, glue, and fumigant for inducing and killing insects. A first through hole 122 is vertically formed at the central axis of the porous sponge 12, and is used for allowing the middle through pipe 115 to pass through, so that the porous sponge 12 is sleeved outside the middle through pipe 115.

Referring to fig. 5, the blocking cover 13 is mounted at the upper end of the main body housing 111 for closing the main body 11, the blocking cover 13 includes a cover body 131, a first external thread 132, a second through hole 133 and a recycling cord 134, the cover body 131 is disc-shaped, the first external thread 132 is disposed at the periphery of the cover body 131 for cooperating with the first internal thread 114, so as to mount the blocking cover 13 on the main body 11. The cover 131 has a second through hole 133 at the center thereof to allow the through pipe 115 to pass through. The cover body 131 is also connected with a recovery rope 134 for taking the insect collector 1 out of the grain pile.

Referring to fig. 1 to 5, the upper end of the pest collector 1 is connected to the suction pipe 2, the suction pipe includes a first-stage suction pipe 21, a second-stage suction pipe 22 and a third-stage suction pipe 23, the first-stage suction pipe 21 is in threaded connection with the middle through pipe 115 of the pest collector 1, the second-stage suction pipe 22 is composed of a plurality of second-stage branch pipes, the second-stage branch pipes are sequentially connected in series through threaded connection to form the second-stage suction pipe 22, the second-stage suction pipe 22 is connected to the upper end of the first-stage suction pipe 21, the upper end of the second-stage suction pipe 22 is further connected to the third. The quantity of second grade branch pipe in the second grade suction tube 22 can be selected according to the depth that collection worm ware 1 inserted the grain heap, the second grade in the second grade suction tube 22 divides the connecting thread between the pipe, and second grade suction tube 22 and one-level suction tube 21, the connecting thread between the tertiary suction tube 23 is forward thread, only connecting thread between one-level suction tube 21 and the well siphunculus 115 is reverse thread 116, set up like this and can place the assigned position after collection worm ware 1, rotatory suction tube 2 of taking off is whole, avoid taking out partial suction tube 2 at other junctions because of wrong screw thread soon.

Referring to fig. 6, when the present invention is used, the using steps are as follows:

s1: placing the porous sponge 12 into the main body 11, and covering the blocking cover 13 to form the insect collector 1;

s2: the primary suction pipe 21 and the negative pressure device 3 are communicated to a middle through pipe 115;

s3: vertically placing the pest collector 1 on the grain pile, starting the negative pressure device 3, pressing the pest collector 1 and the primary suction pipe 21 into the grain pile, and then closing and taking down the negative pressure device 3;

s4: the secondary suction pipe 22 and the negative pressure device 3 are connected and installed;

s5: starting the negative pressure device 3 and continuously pressing the insect collector 1 until the secondary suction pipe 22 is slightly higher than the top surface of the grain pile, and then closing and taking down the negative pressure device 3;

s6: repeating the steps S4 and S5 (selecting the number of the secondary branch pipes to be connected according to the insertion depth) until the insertion depth of the insect collector 1 and the expected insertion depth are the height of the tertiary suction pipe 23;

s7: the three-stage suction pipe 23 and the negative pressure device 3 are connected and installed;

s8: starting the negative pressure device 3 and continuously pressing the insect collector 1 down until the expected depth, and closing and taking down the negative pressure device 3;

s9: rotating the handle 24 to separate the insect collector 1 from the suction pipe 2;

s10: sequentially withdrawing the tertiary suction pipe 23, the secondary suction pipe 22 and the primary suction pipe 21;

s11: after trapping, the insect trap 1 is recovered by the recovery string 134.

In addition, in the second embodiment of the present invention, a metal net is provided on the inner wall of the main body case 111 of the insect trap 1 to prevent the grain entering the insect attracting holes 112 from pressing the porous sponge 12.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the above description of the present invention can be applied to various modifications, equivalent variations or modifications without departing from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a device is killed to granary pest, its characterized in that, includes collection worm ware, suction tube and negative pressure device, is provided with the well siphunculus that runs through the collection worm ware perpendicularly in collection worm ware center pin department, suction tube detachably connects the upper end at well siphunculus, negative pressure device connects in the suction tube upper end for negative pressure device can produce the negative pressure, and through the grain of suction tube and well siphunculus suction collection worm ware bottom.

2. The barn pest trapping and killing device according to claim 1, wherein the pest collector is a hollow cylindrical shell, and the bottom end of the pest collector is conical.

3. The barn pest trapping and killing device according to claim 1, wherein the outer wall of the pest collector is provided with a plurality of vertically extending wings.

4. The barn pest trapping and killing device according to claim 1, wherein the upper end of the pest collector is provided with a blocking cover, the blocking cover is connected with the main body through positive threads, and the blocking cover is provided with a recovery rope.

5. The barn pest trapping and killing device according to claim 1, wherein the outer wall of the pest collector is provided with a plurality of pest trapping holes, and the diameter of the pest trapping holes is 2-15 mm.

6. The barn pest trapping and killing device according to claim 5, wherein the insect attracting holes on the outer wall of the insect collector are 5-10 mm in diameter.

7. The barn pest trapping and killing device according to claim 1, wherein the inner wall of the pest collector is provided with a metal net, and the diameter of the mesh of the metal net is 1 mm-5 mm.

8. The barn pest trapping and killing device according to claim 1, wherein the interior of the pest collector is filled with porous sponge, the pore diameter of the porous sponge is 1-5 mm, and the porous sponge is impregnated with attractant, pesticide, glue and fumigation medicament.

9. The barn pest killing device according to any one of claims 1-8, wherein the suction pipe is composed of multiple stages of pipes detachably connected in series.

10. The barn pest killing device of claim 9 wherein the suction tube comprises a primary suction tube, a secondary suction tube and a tertiary suction tube, wherein:

the primary suction pipe is in threaded connection with the middle through pipe, and threads between the primary suction pipe and the middle through pipe are reverse threads;

the secondary suction pipe comprises a plurality of secondary branch pipes which are sequentially connected in series through forward threads, and the lower end of the secondary suction pipe is connected with the primary suction pipe through the forward threads;

the three-level suction pipe is connected to the upper end of the second-level suction pipe through positive threads, and a handle is arranged at the upper end of the three-level suction pipe.

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