CN114223640B

CN114223640B - Pesticide spraying device

Info

Publication number: CN114223640B
Application number: CN202210005183.0A
Authority: CN
Inventors: 侯柏林; 张云义; 王炜; 张锡烦; 廖敏飞; 潘佩
Original assignee: Huizhou Gu Bee Agroforestry Co ltd; Huizhou City Vocational College (huizhou Business And Tourism Advanced Vocational And Technical School)
Current assignee: Huizhou Gu Bee Agroforestry Co ltd; Huizhou City Vocational College (huizhou Business And Tourism Advanced Vocational And Technical School)
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-12-06
Anticipated expiration: 2042-01-04
Also published as: CN114223640A

Abstract

The present invention relates to a pesticide spraying device, comprising: the liquid storage box comprises a liquid storage box body, a water pump, a connecting pipe, a spray rod and a sleeve, wherein when a first spray hole is aligned with a first liquid outlet hole through rotating the sleeve, the projection of a second spray hole on the spray rod is positioned on one side of a second liquid outlet hole, the second spray hole is not communicated with the second liquid outlet hole, when the sleeve is rotated, the second spray hole is aligned with the second liquid outlet hole, the projection of a first spray hole on the spray rod is positioned on one side of the first liquid outlet hole, the first spray hole is not communicated with the first liquid outlet hole, when the sleeve is rotated, the first spray hole is aligned with the first liquid outlet hole, the projection of a second spray hole on the spray rod is coincided with the second liquid outlet hole, and the second spray hole is communicated with the second liquid outlet hole.

Description

Pesticide spraying device

Technical Field

The invention relates to the technical field of agricultural mechanical equipment, in particular to a pesticide spraying device.

Background

The fruit tree is a tree with edible fruits and can provide a general term for perennial plants of edible fruits and seeds and rootstocks thereof, and pesticides are required to be sprayed to prevent or kill pests or germs in the growth process of the fruit tree so as to ensure the normal growth of the fruit tree.

Because the fruit tree branch is flourishing, the distribution of blade interlayer is sheltered from each other, and when current pesticide sprinkler sprayed, often can only spray the branch blade to the outside of fruit tree, the inside branch blade of fruit tree often is sheltered from and can't spray the pesticide by the branch blade in the outside, needs operating personnel to encircle the outside of fruit tree and carries out multi-angle ground and spray, just can spray the pesticide to each branch blade of fruit tree on betterly, very inconvenient.

Disclosure of Invention

Based on this, there is a need for a pesticide spraying device.

The technical scheme for solving the technical problems is as follows: a pesticide spraying device comprising: the device comprises a liquid storage tank, a water pump, a connecting pipe, a spray rod and a sleeve;

the spray rod is cylindrical, a transfusion channel is formed inside the spray rod, a first liquid outlet hole is formed in the end face of the first end of the spray rod and communicated with the transfusion channel, a second liquid outlet hole is formed in the side wall of the transfusion channel and communicated with the transfusion channel, and the opening direction of the first liquid outlet hole is perpendicular to the opening direction of the second liquid outlet hole;

the shape of the sleeve is matched with that of the spray rod, a containing cavity is formed in the sleeve, the sleeve is sleeved on the spray rod through the containing cavity and is rotatably arranged on the spray rod, a first spray hole is formed in the end face of the first end of the sleeve, the first spray hole is movably aligned with the first liquid outlet hole, a second spray hole is formed in the side wall of the containing cavity and is movably aligned with the second liquid outlet hole, when the first spray hole is aligned with the first liquid outlet hole, the second spray hole and the second liquid outlet hole are staggered, and when the second spray hole is aligned with the second liquid outlet hole, the first spray hole and the first liquid outlet hole are staggered;

a first spray head and a second spray head are respectively arranged on the sleeve, the first spray head is communicated with the first spray hole, and the second spray head is communicated with the second spray hole;

the water pump is arranged in the liquid storage tank, the first end of the connecting pipe is connected with the output end of the water pump, the second end of the connecting pipe is located on the outer side of the liquid storage tank and connected with the second end of the spray rod, and the connecting pipe is communicated with the infusion channel.

In one embodiment, a projection of each second liquid outlet hole on the end surface of the first end of the spray rod is located on the same radius as that of one first liquid outlet hole on the end surface of the first end of the spray rod, and a projection of each second spray hole on the side wall, facing the first liquid outlet hole, of the accommodating cavity is located between every two adjacent first spray holes.

In one embodiment, the number of the first liquid outlet holes is multiple, each first liquid outlet hole is arranged on the end face of the first end of the spray rod in a surrounding mode, a plurality of first sealing strips are arranged on the side wall, facing the first liquid outlet holes, of the accommodating cavity, the number of the first sealing strips is equal to that of the first liquid outlet holes, each first sealing strip is arranged on the side wall, facing the first liquid outlet holes, of the accommodating cavity in a surrounding mode, each first sealing strip is movably abutted to the spray rod, a first connecting groove is formed between every two adjacent first sealing strips, each first connecting groove is communicated with one first spray hole, and each first sealing strip is movably aligned with one first liquid outlet hole.

In one embodiment, a first annular retaining ring is arranged on a side wall of the accommodating cavity, the first annular retaining ring is movably abutted against the spray rod, the first ends of the first sealing strips are connected with each other, and the second ends of the first sealing strips are respectively connected with the first annular retaining ring.

In one embodiment, the number of the second liquid outlet holes is multiple, each of the second liquid outlet holes is arranged along the circumferential surface of the spray bar, a plurality of second sealing strips are arranged on the side wall of the accommodating cavity facing the second liquid outlet holes, the number of the second sealing strips is equal to that of the second liquid outlet holes, each of the second sealing strips is arranged on the side wall of the accommodating cavity facing the second liquid outlet holes in a surrounding manner, each of the second sealing strips is movably abutted to the spray bar, a second communicating groove is formed between every two adjacent second sealing strips, each of the second communicating grooves is communicated with one of the second spray holes, and each of the second sealing strips is movably aligned with one of the second liquid outlet holes.

In one embodiment, two second annular retaining rings are oppositely arranged on the side wall of the accommodating cavity, the second annular retaining rings are movably abutted against the spray rod, one end of each second sealing strip is connected with one second annular retaining ring, and the other end of each second sealing strip is connected with the other second annular retaining ring.

In one embodiment, a projection of each second sealing strip on a side wall of the accommodating cavity facing the first liquid outlet hole is located between every two adjacent first sealing strips.

In one embodiment, an annular slide rail is arranged on the spray rod, an annular slide block is arranged on the side wall of the containing cavity, and the slide block is arranged on the annular slide rail in a sliding mode.

In one embodiment, the spray bar is provided with a plurality of first magnetic blocks and a plurality of second magnetic blocks respectively, the first magnetic blocks and the second magnetic blocks are sequentially arranged on the spray bar in a surrounding manner at intervals, a plurality of third magnetic blocks are arranged on the side wall of the accommodating cavity, each third magnetic block is arranged on the side wall of the accommodating cavity in a surrounding manner, and each third magnetic block is simultaneously and respectively connected with one first magnetic block or one second magnetic block.

In one embodiment, the number of the spray bars is two, and the second ends of the two spray bars are hinged to each other.

The beneficial effects of the invention are: according to the pesticide spraying device provided by the invention, the spray rod is provided with the first liquid outlet hole and the second liquid outlet hole, the sleeve is provided with the first spray hole and the second spray hole, the first spray hole is movably aligned with the first liquid outlet hole, and the second spray hole is movably aligned with the second liquid outlet hole, so that when pesticide is sprayed on outer branches of fruit trees, the sleeve is rotated to enable the first spray hole to be aligned with the first liquid outlet hole and the second spray hole to be staggered, pesticide in the liquid storage tank is sequentially conveyed to the connecting pipe and the liquid conveying channel under the action of the water pump and then conveyed to the first spray head through the first liquid outlet hole and the first spray hole to be sprayed out to one side, and pesticide can be sprayed on the outer branches of the fruit trees;

when spraying insecticide to the interior branch of fruit tree, through rotating the sleeve for second orifice aligns with second liquid outlet, staggers between first orifice and the first liquid outlet, and the pesticide of liquid reserve tank is through under the effect of water pump, carries to connecting pipe and infusion passageway in proper order, then goes out liquid outlet and second orifice through the second and carries to the second shower nozzle and spray all around and go out, stretches into the fruit tree inboard through spray lance and telescopic first end, can spray insecticide to the interior branch of fruit tree and the blade back.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a structural view of a pesticide spraying apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a spray bar and sleeve according to one embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a spray bar and sleeve in one orientation in accordance with an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a spray bar and sleeve in accordance with another embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a spray bar and sleeve in another orientation in accordance with an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of another orientation of a spray bar and sleeve in accordance with another embodiment of the present invention;

FIG. 7 is a cross-sectional view in one direction of a sleeve according to one embodiment of the present invention.

In the drawings, 10, a pesticide spraying device; 100. a liquid storage tank; 110. a connecting pipe; 200. a spray rod; 201. a fluid infusion channel; 210. a first liquid outlet hole; 220. a second liquid outlet hole; 300. a sleeve; 301. an accommodating chamber; 310. a first nozzle hole; 320. a second nozzle hole; 410. a first seal strip; 411. a first connecting groove; 420. a second seal strip; 421. a second communicating groove; 510. a first annular retainer ring; 520. a second annular retainer ring; 610. a first magnetic block; 620. a second magnetic block; 630. a third magnetic block; 710. an annular slide rail; 720. an annular slider.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In one embodiment, as shown in fig. 1, 2, 3 and 4, a pesticide spray apparatus 10 includes: a liquid storage tank 100, a water pump, a connecting pipe 110, a spray rod 200 and a sleeve 300; the spray rod 200 is cylindrical, a liquid delivery channel 201 is formed inside the spray rod 200, a first liquid outlet hole 210 is formed in the end face of the first end of the spray rod 200, the first liquid outlet hole 210 is communicated with the liquid delivery channel 201, a second liquid outlet hole 220 is formed in the side wall of the liquid delivery channel 201, the second liquid outlet hole 220 is communicated with the liquid delivery channel 201, and the opening direction of the first liquid outlet hole 210 is perpendicular to the opening direction of the second liquid outlet hole 220; the shape of the sleeve 300 is adapted to the shape of the spray bar 200, a receiving cavity 301 is formed inside the sleeve 300, the sleeve 300 is sleeved on the spray bar 200 through the receiving cavity 301, the sleeve 300 is rotatably disposed on the spray bar 200, a first nozzle hole 310 is formed in an end surface of a first end of the sleeve 300, the first nozzle hole 310 is movably aligned with the first liquid outlet hole 210, a second nozzle hole 320 is formed in a side wall of the receiving cavity 301, the second nozzle hole 320 is movably aligned with the second liquid outlet hole 220, when the first nozzle hole 310 is aligned with the first liquid outlet hole 210, the second nozzle hole 320 is staggered with the second liquid outlet hole 220, and when the second nozzle hole 320 is aligned with the second liquid outlet hole 220, the first nozzle hole 310 is staggered with the first liquid outlet hole 210; a first nozzle and a second nozzle are respectively arranged on the sleeve 300, the first nozzle is communicated with the first spray hole 310, and the second nozzle is communicated with the second spray hole 320; the water pump is arranged in the liquid storage tank 100, a first end of the connecting pipe 110 is connected with an output end of the water pump, a second end of the connecting pipe 110 is positioned outside the liquid storage tank 100 and connected with a second end of the spray rod 200, and the connecting pipe 110 is communicated with the liquid conveying channel 201.

In this embodiment, the length of the sleeve 300 is less than that of the spray bar 200, the accommodating cavity 301 is cylindrical, the size of the accommodating cavity 301 is matched with that of the spray bar 200, one end of the accommodating cavity 301 penetrates through to the second end of the sleeve 300, the sleeve is sleeved on the spray bar 200, the outer side of the spray bar 200 is movably abutted against the side wall of the accommodating cavity 301, that is, the sleeve can rotate on the spray bar 200, the size of the first spray holes 310 is equal to that of the first liquid outlet holes 210, the size of the second spray holes 320 is equal to that of the second liquid outlet holes 220, the projection of each second liquid outlet hole 220 on the end surface of the first end of the spray bar 200 is on the same radius as that of one first liquid outlet hole 210 on the end surface of the first end of the spray bar 200, the projection of each second spray hole 320 on the side wall of the accommodating cavity 301 facing the first liquid outlet hole 210 is positioned between every two adjacent first spray holes 310, thus, when the sleeve is rotated to align the first nozzle holes 310 with the first liquid outlet holes 210, the projection of the second nozzle holes 320 on the spray bar 200 is located at one side of the second liquid outlet holes 220, the second nozzle holes 320 are not communicated with the second liquid outlet holes 220, when the sleeve is rotated to align the second nozzle holes 320 with the second liquid outlet holes 220, the projection of the first nozzle holes 310 on the spray bar 200 is located at one side of the first liquid outlet holes 210, the first nozzle holes 310 are not communicated with the first liquid outlet holes 210, when the sleeve is rotated to make the first spray holes 310 partially aligned with the first liquid outlet holes 210, the projection of the second spray holes 320 on the spray rod 200 is partially overlapped with the second liquid outlet holes 220, the second spray holes 320 are partially communicated with the second liquid outlet holes 220, in this way, the spraying direction of the pesticide spraying device 10 can be adjusted by rotating the sleeve 300, namely, the first spray head sprays towards one direction, the second spray head sprays towards the periphery or the first spray head and the second spray head spray simultaneously.

In this embodiment, as shown in fig. 3 and 4, when the pesticide spraying device 10 is used to spray pesticide to the outer branch of a fruit tree, the sleeve 300 is rotated to align the first nozzle 310 with the first liquid outlet 210, and the second nozzle 320 is staggered with the second liquid outlet 220, pesticide in the liquid storage tank 100 is sequentially delivered to the connecting pipe 110 and the liquid delivery channel 201 under the action of the water pump, and then delivered to the first nozzle through the first liquid outlet 210 and the first nozzle 310 to be sprayed to one side, so that pesticide can be sprayed to the outer branch of the fruit tree, when pesticide is sprayed to the inner branch of the fruit tree, the sleeve 300 is rotated to align the second nozzle 320 with the second liquid outlet 220, and the first nozzle 310 is staggered with the first liquid outlet 210, pesticide in the liquid storage tank 100 is sequentially delivered to the connecting pipe 110 and the liquid delivery channel 201 under the action of the water pump, and then delivered to the second nozzle through the second liquid outlet 220 and the second nozzle 320 to be sprayed to the periphery, and pesticide can be sprayed to the back of the inner branch of the fruit tree and the fruit tree by extending the first end of the spray rod 200 and the sleeve 300 into the inner side of the fruit tree.

In order to better seal the first liquid outlet holes 210 movably, in one embodiment, as shown in fig. 7, the number of the first liquid outlet holes 210 is multiple, each first liquid outlet hole 210 is disposed on the end surface of the first end of the spray rod 200 in a surrounding manner, a plurality of first sealing strips 410 are disposed on the side wall of the accommodating cavity 301 facing the first liquid outlet holes 210, the number of the first sealing strips 410 is equal to the number of the first liquid outlet holes 210, each first sealing strip 410 is disposed on the side wall of the accommodating cavity 301 facing the first liquid outlet holes 210 in a surrounding manner, each first sealing strip 410 is movably abutted against the spray rod 200, a first connecting groove 411 is formed between every two adjacent first sealing strips 410, each first connecting groove 411 is communicated with one first spray hole 310, and each first sealing strip 410 is movably aligned with one first liquid outlet hole 210. Specifically, the material of first sealing strip 410 is rubber, and first sealing strip 410's cross sectional shape is fan-shaped, and first sealing strip 410's width is greater than the size of first play liquid hole 210, and one side of first sealing strip 410 is connected with the lateral wall that holds chamber 301, and the opposite side and the spray lance 200 activity butt of first sealing strip 410 can be sealed first play liquid hole 210 well.

Further, a first annular retainer ring 510 is arranged on the side wall of the containing cavity 301, the first annular retainer ring 510 is movably abutted against the spray rod 200, the first ends of the first sealing strips 410 are connected with each other, the second ends of the first sealing strips 410 are respectively connected with the first annular retainer ring 510, the size of the first annular retainer ring 510 is matched with the size of the end face of the first end of the spray rod 200, the first connecting grooves 411 can be closed, the first sealing strips 410 are arranged at intervals, the cross section of each first connecting groove 411 is fan-shaped, the first connecting grooves 411 are closed fan-shaped grooves, therefore, a plurality of fan-shaped areas are formed at intervals on the side wall of the containing cavity 301, when the first sealing strips 410 are aligned with the first liquid outlet holes 210, the first liquid outlet holes 210 are not communicated with the first spray holes 310, when the first connecting grooves 411 are aligned with the first liquid outlet holes 210, the first liquid outlet holes 210 are communicated with the first spray holes 310, and pesticide cannot overflow from the first connecting grooves 411.

In order to better seal the second liquid outlet holes 220 movably, in one embodiment, as shown in fig. 5 and 6, the number of the second liquid outlet holes 220 is multiple, each second liquid outlet hole 220 is disposed along the circumferential surface of the spray bar, a plurality of second sealing strips 420 are disposed on the side wall of the accommodating cavity 301 facing the second liquid outlet holes 220, the number of the second sealing strips 420 is equal to the number of the second liquid outlet holes 220, each second sealing strip 420 is disposed around the side wall of the accommodating cavity 301 facing the second liquid outlet holes 220, each second sealing strip 420 is movably abutted to the spray bar 200, a second communicating groove 421 is formed between every two adjacent second sealing strips 420, each second communicating groove 421 is communicated with one second spray hole 320, and each second sealing strip 420 is movably aligned with one second liquid outlet hole 220. Specifically, the material of second sealing strip 420 is rubber, and second sealing strip 420's cross sectional shape is square, and second sealing strip 420's width is greater than the size that the second goes out liquid hole 220, and one side of second sealing strip 420 is connected with the lateral wall that holds chamber 301, and second sealing strip 420's opposite side and spray lance 200 activity butt can seal second play liquid hole 220 well.

Further, two second annular retainer rings 520 are oppositely arranged on the side wall of the accommodating cavity 301, the second annular retainer rings 520 are movably abutted against the spray rod 200, one end of each second sealing strip 420 is connected with one second annular retainer ring 520, the other end of each second sealing strip 420 is connected with the other second annular retainer ring 520, the size of each second annular retainer ring 520 is matched with the width of the accommodating cavity 301, two ends of each second communicating groove 421 can be sealed, the second sealing strips 420 are arranged at intervals, the cross sections of the second communicating grooves 421 are square, the second communicating grooves 421 are closed square grooves, therefore, a plurality of square areas are formed on the annular side wall of the accommodating cavity 301 at intervals, when the second sealing strips 420 are aligned with the second liquid outlet holes 220, the second liquid outlet holes 220 are not communicated with the second spray holes 320, when the second liquid outlet holes 421 are aligned with the second liquid outlet holes 220, the second liquid outlet holes 220 are communicated with the second spray holes 320, and pesticide cannot overflow from the second communicating grooves 421.

In one embodiment, the projection of each second sealing strip 420 on the side wall of the accommodating cavity 301 facing the first liquid outlet hole 210 is located between every two adjacent first sealing strips 410, so that when the first sealing strip 410 seals the first liquid outlet hole 210, the second sealing strip 420 is located on one side of the second liquid outlet hole 220, and when the second sealing strip 420 seals the second liquid outlet hole 220, the first sealing strip 410 is located on one side of the first liquid outlet hole 210, and the pesticide can be controlled to be sprayed out from the first spray head or the second spray head.

In order to better rotate the sleeve 300 on the spray bar 200, in one embodiment, as shown in fig. 3 and 4, an annular slide rail 710 is arranged on the spray bar 200, an annular slide block 720 is arranged on the side wall of the accommodating cavity 301, the slide block is slidably arranged on the annular slide rail 710, friction between the spray bar 200 and the sleeve 300 can be reduced by sliding the annular slide block 720 on the annular slide rail 710, and the number of the annular slide rails 710 and the annular slide blocks 720 can be two, so that the sleeve 300 can be better rotated.

In one embodiment, the aperture of the end of the first spray hole close to the first liquid outlet hole is larger than the aperture of the end of the second spray hole far away from the first liquid outlet hole, and the aperture of the end of the second spray hole close to the second liquid outlet hole is larger than the aperture of the end of the second spray hole far away from the second liquid outlet hole, so that after the pesticide is conveyed from the channel with larger width to the channel with smaller width, the pesticide has larger impact force, and the pesticide can be better sprayed outwards through the first spray head and the second spray head.

In order to facilitate alignment of the first liquid outlet hole 210 and the first nozzle hole 310 or alignment of the second liquid outlet hole 220 and the second nozzle hole 320, in an embodiment, as shown in fig. 3 and 4, a plurality of first magnetic blocks 610 and a plurality of second magnetic blocks 620 are respectively disposed on the spray bar 200, the first magnetic blocks 610 and the second magnetic blocks 620 are sequentially disposed on the spray bar 200 in a surrounding manner at intervals, a plurality of third magnetic blocks 630 are disposed on a side wall of the accommodating cavity 301, each third magnetic block 630 is disposed on a side wall of the accommodating cavity 301 in a surrounding manner, and each third magnetic block 630 is simultaneously connected to one first magnetic block 610 or one second magnetic block 620. Specifically, the number of the first magnetic blocks 610, the number of the second magnetic blocks 620, the number of the third magnetic blocks 630 and the number of the first liquid outlet holes 210 are equal, the first magnetic blocks 610 and the second magnetic blocks 620 are sequentially arranged on the outer side of the circumference of the spray bar 200 at intervals, the position of the first magnetic blocks 610 on the spray bar 200 and the position of the second liquid outlet holes 220 on the spray bar 200 are mutually symmetrical, the projection of the second magnetic blocks 620 on the side wall of the accommodating cavity 301 facing the first liquid outlet holes 210 and the first spray holes 310 are located on the same radius of the side wall of the accommodating cavity 301 facing the first liquid outlet holes 210, the third magnetic blocks 630 are sequentially arranged on the circumferential side wall of the accommodating cavity 301 at intervals, the positions of the third magnetic blocks 630 on the side wall of the accommodating cavity 301 and the positions of the second spray holes 320 on the side wall of the accommodating cavity 301 are symmetrically arranged, the size of the central angle corresponding to two adjacent first magnetic blocks 610, the size of the central angle corresponding to two adjacent second magnetic blocks 620 and the size of the central angle corresponding to two adjacent third magnetic blocks 630 are equal, so that when the sleeve 300 is rotated, each third magnetic block 630 is simultaneously and respectively magnetically connected with one first magnetic block 610, at this time, the second liquid outlet hole 220 is aligned and communicated with the second spray hole 320, the first liquid outlet hole 210 and the first spray hole 310 are mutually staggered and not communicated, when the sleeve 300 is rotated again, each third magnetic block 630 is simultaneously and respectively magnetically connected with one second magnetic block 620, at this time, the second liquid outlet hole 220 is mutually staggered and communicated with the second spray hole 320, the first liquid outlet hole 210 is aligned and communicated with the first spray hole 310, and the sleeve 300 can be conveniently rotated to enable the first liquid outlet hole 210 to be aligned with the first spray hole 310 or the second liquid outlet hole 220 to be aligned with the second spray hole 320.

In one embodiment, the number of the spray bars 200 is two, and the second ends of the two spray bars 200 are hinged to each other. Specifically, the second end of two spray lance 200 is articulated each other through articulated seat and is in the same place, like this, adjusts two spray lance 200 and has different contained angles for pesticide sprinkler 10 can spray the pesticide to the fruit tree of both sides or the both sides of same fruit tree simultaneously, has great area of spraying and the volume of once spraying of pesticide.

In order to limit the rotation of the sleeve 300 on the spray bar 200, in one embodiment, the pesticide spraying device 10 further includes a locking bolt, the sleeve 300 is provided with a locking screw hole, the locking screw hole is communicated with the accommodating cavity 301, a central axis of the locking screw hole is perpendicular to a central axis of the accommodating cavity 301, one end of the locking bolt is screwed with an inner side wall of the locking screw hole, and one end of the locking bolt is movably abutted against the spray bar 200, so that the sleeve 300 can be limited from rotating after the first liquid outlet hole 210 is aligned with the first spray hole 310 or the second liquid outlet hole 220 is aligned with the second spray hole 320.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above embodiments only express a few embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A pesticide spraying device, comprising: the device comprises a liquid storage tank, a water pump, a connecting pipe, a spray rod and a sleeve;

the shape of the sleeve is matched with that of the spray rod, a containing cavity is formed in the sleeve, the sleeve is sleeved on the spray rod through the containing cavity and is rotatably arranged on the spray rod, a first spray hole is formed in the end face of the first end of the sleeve, the first spray hole is movably aligned with the first liquid outlet hole, a second spray hole is formed in the side wall of the containing cavity and is movably aligned with the second liquid outlet hole, when the first spray hole is aligned with the first liquid outlet hole, the second spray hole is staggered with the second liquid outlet hole, and when the second spray hole is aligned with the second liquid outlet hole, the first spray hole is staggered with the first liquid outlet hole;

the number of the first liquid outlet holes is multiple, each first liquid outlet hole is arranged on the end face of the first end of the spray rod in a surrounding mode, a plurality of first sealing strips are arranged on the side wall, facing the first liquid outlet holes, of the accommodating cavity, the number of the first sealing strips is equal to that of the first liquid outlet holes, each first sealing strip is arranged on the side wall, facing the first liquid outlet holes, of the accommodating cavity in a surrounding mode, each first sealing strip is movably abutted to the spray rod, a first connecting groove is formed between every two adjacent first sealing strips, each first connecting groove is communicated with one first spray hole, and each first sealing strip is movably aligned with one first liquid outlet hole;

the side wall of the accommodating cavity is provided with a first annular retainer ring, the first annular retainer ring is movably abutted against the spray rod, the first ends of the first sealing strips are connected with each other, and the second ends of the first sealing strips are respectively connected with the first annular retainer ring;

the water pump is arranged in the liquid storage tank, a first end of the connecting pipe is connected with an output end of the water pump, a second end of the connecting pipe is located on the outer side of the liquid storage tank and connected with a second end of the spray rod, and the connecting pipe is communicated with the infusion channel.

2. The pesticide spraying device as claimed in claim 1, wherein the number of the second liquid outlet holes is multiple, each of the second liquid outlet holes is arranged along the circumferential surface of the spray bar, the projection of each of the second liquid outlet holes on the end surface of the first end of the spray bar is located on the same radius of the end surface of the first end of the spray bar as the projection of one of the first liquid outlet holes on the side wall of the accommodating cavity facing the first liquid outlet hole, and the projection of each of the second spray holes on the side wall of the accommodating cavity facing the first liquid outlet hole is located between every two adjacent first spray holes.

3. The pesticide spraying device as claimed in claim 2, wherein a plurality of second sealing strips are arranged on the side wall of the accommodating cavity facing the second liquid outlet hole, the number of the second sealing strips is equal to the number of the second liquid outlet holes, each second sealing strip is arranged on the side wall of the accommodating cavity facing the second liquid outlet hole in a surrounding manner, each second sealing strip is movably abutted to the spray rod, a second communicating groove is formed between every two adjacent second sealing strips, each second communicating groove is communicated with one second spray hole, and each second sealing strip is movably aligned with one second liquid outlet hole.

4. The pesticide spraying device as claimed in claim 3, wherein two second annular retaining rings are oppositely arranged on the side wall of the accommodating cavity, the second annular retaining rings are movably abutted against the spray rod, one end of each second sealing strip is connected with one second annular retaining ring, and the other end of each second sealing strip is connected with the other second annular retaining ring.

5. The pesticide spraying device of claim 3, wherein the projection of each second sealing strip on the side wall of the accommodating cavity facing the first liquid outlet hole is positioned between every two adjacent first sealing strips.

6. The pesticide spraying device as claimed in claim 3, wherein the spray bar is provided with an annular slide rail, and the side wall of the accommodating cavity is provided with an annular slide block which is slidably arranged on the annular slide rail.

7. The pesticide spraying device as claimed in claim 6, wherein the spray bar is provided with a plurality of first magnetic blocks and a plurality of second magnetic blocks, the first magnetic blocks and the second magnetic blocks are arranged on the spray bar in a surrounding manner at intervals in sequence, a plurality of third magnetic blocks are arranged on the side wall of the accommodating cavity, each third magnetic block is arranged on the side wall of the accommodating cavity in a surrounding manner, and each third magnetic block is simultaneously and respectively connected with one first magnetic block or one second magnetic block.

8. A pesticide spraying apparatus as claimed in any one of claims 1 to 7, wherein the number of the spray bars is two, and the second ends of the two spray bars are hinged to each other.