CN218164084U

CN218164084U - Fertile spraying device of backpack medicine

Info

Publication number: CN218164084U
Application number: CN202221926476.4U
Authority: CN
Inventors: 张生; 黄正中; 孟肖涵
Original assignee: Guangxi Tianyuan Biochemical Co Ltd
Current assignee: Guangxi Tianyuan Biochemical Co Ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-12-30
Anticipated expiration: 2032-07-25

Abstract

The utility model discloses a backpack pesticide-fertilizer spraying device, which comprises a fertilizer carrying kettle; the fertilizer conveying pipe is mounted on the fertilizer carrying kettle, and the fertilizer conveying pipe can move relative to the fertilizer carrying kettle; the fertilizer unloading part is arranged on the fertilizer conveying pipe and is used for controlling the fertilizer conveying pipe to unload materials outwards; a liquid medicine pumping part; and each fertilizing and conveying pipe is provided with at least one nozzle, and the nozzles are connected with the liquid medicine pumping part. The utility model discloses can bear on one's body operating personnel, follow operating personnel and remove, can realize spraying liquid medicine and apply characteristics such as fertilizer go on in step.

Description

Fertile spraying device of backpack medicine

Technical Field

The utility model relates to a device of synchronous spraying of pesticide and fertilizer, concretely relates to fertile spraying device of backpack medicine.

Background

At present, in the planting management of the sugarcane, the fertilization and the pesticide spraying of part of growers are carried out separately, so that the labor and the time are wasted, and the planting cost is high.

In recent years, with the popularization of pesticide fertilizers, most sugarcane farmers directly apply the pesticide fertilizers, so that the fertilizer application can be finished and the insect prevention effect can be achieved through one-time fertilizer application operation, and the pesticide spraying times are reduced. However, with the increase of the resistance of sugarcane pests, only the application of several commonly used pesticide fertilizers can not control the pests to a limited extent, and the pesticide spraying is still required for remediation. In view of the above, it is desirable to develop a device that can apply both a liquid chemical and a fertilizer.

Disclosure of Invention

The utility model aims at the prior art defect, and provide a backpack fertile spraying device of medicine that liquid medicine and fertilizer can be applyed in step.

In order to realize the above purpose, the following technical scheme is adopted:

a backpack pesticide-fertilizer spraying device comprises a fertilizer carrying kettle; the fertilizer conveying pipes are mounted on the fertilizer carrying kettle, and the fertilizer conveying pipes can move relative to the fertilizer carrying kettle; the fertilizer unloading part is arranged on the fertilizer conveying pipe and is used for controlling the fertilizer conveying pipe to unload materials outwards; a liquid medicine pumping part; and each fertilizing and conveying pipe is provided with at least one nozzle, and the nozzles are connected with the liquid medicine pumping part.

The working principle is as follows:

spraying a liquid medicine: the liquid medicine pumping part conveys the liquid medicine to the nozzle, and the nozzle atomizes and sprays the liquid medicine to realize spraying of the liquid medicine to crops.

Applying a fertilizer: the fertilizer in the fertilizer carrying kettle enters the fertilizer conveying pipe, the fertilizer unloading part on the fertilizer conveying pipe plays a role in controlling unloading, and the fertilizer unloading part is opened relative to the fertilizer conveying pipe, so that the fertilizer is unloaded outwards from the fertilizer conveying pipe; the fertilizer unloading part is closed, and then the fertilizer is blocked from being unloaded from the fertilizer conveying pipe.

The spraying of the liquid medicine and the application of the fertilizer can be carried out simultaneously, so that the liquid medicine and the fertilizer can be sprayed to crops simultaneously.

Further, the liquid medicine pumping part comprises a spraying kettle; the water pump is provided with a water inlet and a water outlet, the water inlet of the water pump is connected with the spraying kettle, and the water outlet of the water pump is connected with the nozzle.

Furthermore, the backpack pesticide-fertilizer spraying device of the utility model also comprises a spraying pipe and a multi-way pipe fitting; the multi-way pipe fitting is provided with a plurality of ports, one port is connected with the water outlet of the water pump, and the other ports are connected with corresponding nozzles through spraying pipes.

Furthermore, the backpack pesticide-fertilizer spraying device of the utility model also comprises a return pipe; one end of the backflow pipe is connected with one port of the multi-way pipe fitting, and the other end of the backflow pipe is inserted into the spraying kettle; or one end of the return pipe is connected with one port of the multi-way pipe fitting through a three-way pipe fitting, and the other end of the return pipe is inserted into the spraying kettle; and the rest ports of the three-way pipe fitting are connected with a spray pipe.

Furthermore, the backpack pesticide-fertilizer spraying device of the utility model also comprises a remote switch and a remote switch electronic module; and the remote switch and the water pump are electrically connected with the remote switch electronic module.

Further, the utility model relates to a fertile spraying device of backpack medicine still includes the battery, the battery is connected with water pump, remote switch electronic module electricity.

Further, the fertilizer unloading part comprises a baffle plate which is movably inserted into the fertilizer delivery pipe; the spring is arranged on the fertilization conveying pipe through a spring bracket; one end of the pull rod sequentially penetrates through the spring support, and the spring is connected with the baffle; and the handle switch is movably arranged on the fertilization conveying pipe, is connected with the pull rod and is used for pulling the baffle to move relative to the fertilization conveying pipe.

Further, the fertilization conveying pipe comprises a corrugated hose, and one end of the corrugated hose is connected with the fertilizer carrying kettle; one end of the discharging pipe is connected with the other end of the corrugated hose; and the discharging bent pipe is connected with the other end of the discharging pipe.

Furthermore, the backpack pesticide-fertilizer spraying device of the utility model also comprises a reducing adapter tube; the blanking pipe is connected with the corrugated hose through the reducing adapter pipe.

Furthermore, the top of carrying fertile kettle has a hu kou and carries fertile pot lid, and set up the filter screen on the hu kou, carry fertile pot lid activity buckle lid in the hu kou.

Compared with the progress of the prior art, the utility model:

1. the utility model discloses realize spraying simultaneously that liquid medicine is executed and add the fertilizer, promptly, the spraying liquid medicine: the liquid medicine pumping part conveys the liquid medicine to the nozzle, and the nozzle atomizes and sprays the liquid medicine to realize spraying of the liquid medicine to crops. Applying a fertilizer: the fertilizer in the fertilizer carrying kettle enters the fertilizer conveying pipe, the fertilizer unloading part on the fertilizer conveying pipe plays a role in controlling unloading, and the fertilizer unloading part is opened relative to the fertilizer conveying pipe, so that the fertilizer is unloaded outwards from the fertilizer conveying pipe; the fertilizer unloading part is closed, and then the fertilizer is blocked from being unloaded from the fertilizer conveying pipe. The spraying of the liquid medicine and the application of the fertilizer can be carried out simultaneously, so that the liquid medicine and the fertilizer can be sprayed to crops simultaneously.

2. The utility model discloses can realize that single file or double row spout the medicine and fertilize, the flexible operation, it is efficient.

3. The utility model discloses can be applicable to multiple dry land row crop of planting between, application scope is wide.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of a backpack type pesticide-fertilizer spraying device of the present invention;

FIG. 2 is a schematic structural view of the fertilizer delivery unit of the present invention;

FIG. 3 is a schematic view of the structure of the liquid medicine pumping part of the present invention;

FIG. 4 is a schematic structural view of a fertilizer pot of the present invention;

names and serial numbers of the components in the figure: 1-fertilizer carrying kettle, 2-base, 3-fertilizer conveying part, 4-spraying system, 5-spraying kettle, 6-water conveying pipeline, 7-remote control switch, 8-strap, 9-fertilizer discharging part, 10-corrugated hose, 11-reducing adapter pipe, 12-discharging pipe, 13-discharging elbow pipe, 14-handle switch, 15-pull rod, 16-spring, 17-spring support frame, 18-baffle, 19-battery, 20-water pump, 21-remote switch electronic module, 22-kettle cover, 23-power switch, 24-charging port, 25-water outlet pipe, 26-return pipe, 27-spraying pipe, 28-tee pipe I, 29-tee pipe II, 32-water inlet, 33-water outlet, 34-nozzle, 35-kettle opening, 36-fertilizer carrying kettle cover and 37-filter screen.

Detailed Description

In order to make the technical solutions in the present application better understood, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the protection scope of the present application based on the embodiments in the present application.

As shown in figures 1 to 4, the utility model relates to a fertile spraying device of backpack medicine can bear on one's body, can realize spraying liquid medicine and applying fertilizer simultaneously to single ridge or two ridge crops. The fertilizer applying device comprises a fertilizer carrying kettle 1, a fertilizer applying conveying pipe 3, a fertilizer unloading part, a strap 8, a base 2, a liquid medicine pumping part and a nozzle 34; liquid medicine pump send portion fertile kettle 1 is installed in base 2, is equipped with two braces 8 on the base 2, can be convenient for with through brace 8 the utility model discloses bear operating personnel on one's body, follow operating personnel and remove.

The fertilizer carrying kettle 1 is provided with at least two fertilizer conveying pipes 3, and the fertilizer conveying pipes 3 can move relative to the fertilizer carrying kettle 1. It can be understood that the fertilizing and conveying pipe 3 can move up and down, left and right, back and forth and swing relative to the fertilizer carrying kettle 1.

As shown in figure 1, 2 fertilizer conveying pipes 3 are arranged on the fertilizer carrying kettle.

The top of the fertilizer carrying kettle 1 is provided with a kettle opening 35 and a fertilizer carrying kettle cover 36, a filter screen 37 is arranged on the kettle opening 35, and the fertilizer carrying kettle cover 36 is movably covered on the kettle opening 35. The connection between the fertilizer-carrying kettle cover and the fertilizer-carrying kettle opening can be in a movable connection mode such as threaded connection, sleeve connection and the like. The filter screen 37 can filter the fertilizer poured into the fertilizer carrying pot to filter out caking fertilizer, packaging bags and the like.

In order to facilitate the control of the unloading of the fertilization conveying pipe, a fertilizer unloading part is installed on the fertilization conveying pipe 3, and the fertilizer unloading part can be opened and closed movably relative to the fertilization conveying pipe 3, so that the outward unloading of the fertilization conveying pipe 3 is controlled.

In order to spray the liquid medicine, each fertilization delivery pipe 3 is provided with a nozzle 34, the liquid medicine pumping part pushes the liquid medicine to the nozzle 34, and the nozzle 34 atomizes and sprays the liquid medicine to realize the liquid medicine spraying to crops.

In some embodiments, a configuration of the medical fluid pumping part is given. The spraying kettle comprises a spraying kettle 5 and a water pump 20, wherein the water pump 20 is provided with a water inlet 32 and a water outlet 33, the water inlet of the water pump 20 is connected with the spraying kettle 5, and the water outlet is connected with a nozzle 34.

It will be appreciated that the spray can 5 is used for containing liquid medicine and has a mouth, and the lid 22 is removably fastened to the mouth. The pump 20 pumps the liquid medicine in the spraying pot 5 and delivers the liquid medicine to the nozzle 34, and the nozzle 34 sprays the liquid medicine in an outward atomizing mode.

Further, a structure of the conveying pipeline 6 is provided, the conveying pipeline 6 is used for pushing the liquid medicine pumped by the water pump from the spraying kettle to each nozzle, and the conveying pipeline can comprise a spraying pipe 27 and a multi-way pipe fitting; the manifold member has a plurality of ports, one of which is connected to the outlet of the water pump 20 and the remaining ports are connected to the corresponding nozzles 34 through the spray pipes 27.

2 fertilizer conveying pipes 3 are arranged on the fertilizer carrying kettle, and therefore, the multi-way pipe fitting can be a three-way pipe fitting; of course, it can be understood that the multi-way pipe fitting is a pipe fitting having four or more ports when more than 3 nozzles are installed on the fertilizing and conveying pipe 3.

When in use, as shown in fig. 1, the outlet of the water pump is connected with one port of the tee pipe II 29, the other two ports of the tee pipe II 29 are respectively connected with one spray pipe 27, and the spray pipes 27 are connected with a corresponding nozzle 34; the water pump 20 pumps the liquid medicine of the spraying kettle 5 and conveys the liquid medicine to the three-way pipe fitting II 29, the three-way pipe fitting II 29 is divided into two paths for conveying, the liquid medicine is conveyed to the two nozzles at the same time, and the two nozzles atomize and spray the liquid medicine outwards at the same time.

Still further, in order to stir the liquid medicine in the spray can 5, a return pipe 26 and a tee pipe I28 are added.

The use mode is as follows:

the spraying pipe connected to the tee pipe II 29 is detached, the vacant port of the tee pipe II 29 is connected with one port of the tee pipe I28, the other port of the tee pipe I28 is connected with one end of a return pipe 26, and the other end of the return pipe 26 is inserted into the spraying kettle 5; the other port of tee I28 is connected to the removed spray tube.

The liquid medicine introduced into the return pipe 26 is circularly conveyed to the spraying kettle 5, the liquid medicine is sprayed out of the spraying kettle 5 through the return pipe 26, and the sprayed liquid medicine impacts the liquid medicine in the spraying kettle 5, so that the pressure relief effect can be realized while the liquid medicine in the spraying kettle is stirred.

In some embodiments, in order to facilitate the operation of the water pump controlled by an operator, a remote switch 7 and a remote switch electronic module 21 are added; the remote switch 7 and the water pump 20 are both electrically connected with a remote switch electronic module 21.

The remote switch 7 is connected with the remote switch electronic module 21 in real time communication.

And the remote switch electronic module 21 controls the water pump 20 to work according to the received communication signal sent by the remote switch 7.

The remote control switch 7 can be of a movable structure or mounted on the fertilization delivery pipe 3.

In order to supply power to the water pump 20 and the remote switch electronic module 21, a battery 19 is added, and the battery 19 is electrically connected with the water pump 20 and the remote switch electronic module 21. The battery 19 serves as a power supply.

The battery 19 is a rechargeable battery, is attached to the spray can 5, and is provided with a charging port 24 in the spray can 5 so that the battery 19 can be charged, and the charging port 24 is electrically connected to the battery 19. The spraying kettle 5 is also provided with a power switch 23, and when the power switch 23 is in an open state, power is supplied to the water pump 20 and the remote switch electronic module 21; when the power switch 23 is in an off state, the water pump 20 and the remote switch electronic module 21 are powered off.

In some embodiments, a structural form of the fertilizer conveying pipe is shown, as shown in fig. 1, the fertilizer conveying pipe 3 includes a corrugated hose 10, a discharging pipe 12 and a discharging elbow 13, one end of the corrugated hose 10 is connected with the fertilizer carrying pot 1, one end of the discharging pipe 12 is connected with the other end of the corrugated hose 10, and the discharging elbow 13 is connected with the other end of the discharging pipe 12.

The corrugated hose has the characteristics of flexibility, corrosion resistance, fatigue resistance and the like. The fertilizer delivery pipe can swing relative to the fertilizer carrying kettle, and by utilizing the flexibility of the corrugated hose, the handheld blanking pipe 12 can swing, move back and forth, move up and down and the like relative to the fertilizer carrying kettle 1, and the blanking pipe 12 drives the discharging elbow pipe 13 to perform the same operation.

In order to ensure that the connection between the corrugated hose and the blanking pipe is more stable, the reducing adapter pipe 11 is additionally arranged. As shown in fig. 1 and 2, the blanking pipe 12 is connected to the corrugated hose 10 through a reducing adapter pipe 11.

Fertilization conveyer pipe application mode:

the fertilizer in the fertilizer carrying kettle 1 is discharged into the corrugated hose 10, the corrugated hose 10 guides the fertilizer to the discharging pipe 12, the fertilizer is conveyed to the discharging elbow 13 by the discharging pipe 12, the baffle 18 is movably installed at the outlet of the discharging elbow 13, the baffle 18 is pulled out from the discharging elbow 13, the discharging elbow 13 is opened by the baffle 18, and the fertilizer in the discharging elbow 13 is discharged outwards; the baffle 18 is inserted into the discharge elbow 13 to be closed, i.e. the discharge elbow 13 is closed, and fertilizer cannot be discharged from the discharge elbow 13.

Further, a structural form of the fertilizer discharging part 9 is given. As shown in fig. 1 and 2, the fertilizer unloading part 9 includes a baffle 18, a spring 16, a pull rod 15 and a handle switch 14, the baffle 18 is movably inserted into the fertilizer delivery pipe 3, the spring 16 is mounted on the fertilizer delivery pipe 3 through a spring support 17, one end of the pull rod 15 sequentially penetrates through the spring support 17, the spring 16 is connected with the baffle 18, and the handle switch 14 is movably mounted on the fertilizer delivery pipe 3 and connected with the pull rod 15 for pulling the baffle 18 to move relative to the fertilizer delivery pipe 3.

The handle switch 14 is of a bending structure and is hinged with the fertilizing and conveying pipe 3 at a bending position, and specifically, the handle switch 14 is hinged with the discharging pipe 12. It can be understood that one end of the hand-held handle switch swings relative to the blanking pipe, and the other end of the hand-held handle switch drives the pull rod to move.

The baffle 18 is a discharge elbow 13 movably inserted into the fertilization delivery pipe 3, and the insertion part of the baffle is in elliptical contact with the discharge elbow. The front end of the baffle 18 may be of arcuate configuration.

The use method comprises the following steps:

the handle switch 14 is held to swing relative to the feeding pipe 12, the handle switch 14 drives the pull rod 15 to move outwards relative to the discharging elbow pipe 13, the pull rod 15 drives the baffle 18 to move outwards from the discharging elbow pipe 13, the baffle 18 moves outwards, the discharging elbow pipe 13 is opened, and fertilizer is discharged outwards from the discharging elbow pipe 13. When the pull rod 15 pulls the baffle 18, the baffle 18 extrudes the spring 16 to generate elastic deformation, and the elastic deformation acting force is generated; therefore, when the handle switch 14 is released, the elastic deformation acting force of the spring 16 pushes the baffle 18 to be inserted into the discharge elbow, the baffle 18 is closed and reset, the discharge elbow 13 is closed, and the fertilizer in the discharge elbow is blocked by the baffle and cannot be discharged.

The discharging bent pipe is of a bending structure, so that when fertilizer enters the discharging bent pipe through the blanking pipe 12, the discharging bent pipe redirects and discharges the fertilizer; the control of the blanking point of the fertilizer by operators is facilitated; prevent the fertilizer from linearly flying out of the discharge hole.

According to the embodiment, the utility model discloses concrete working method:

preparation before work:

the pot cover 22 of the spraying pot 5 is unscrewed, the liquid medicine is filled into the spraying pot through the pot opening of the spraying pot, and then the pot cover 22 is covered on the pot opening and screwed down.

The fertilizer carrying pot cover 36 of the fertilizer carrying pot 1 is opened, the pot opening 35 of the fertilizer carrying pot 1 is exposed, fertilizer is poured into the fertilizer carrying pot through the pot opening 35, the pot opening 35 is provided with a filter screen 37, and the poured fertilizer is filtered by the filter screen 37.

In the working process:

the both shoulders are carried on the back through 8 braces the utility model discloses fertile spraying device of medicine opens power switch 23 on the spraying kettle 5, when the operation is gone forward, starts the remote switch 7 of installing on fertilization conveyer pipe 3's unloading pipe 12, and water pump 20 extracts the liquid medicine in the spraying kettle 5 to carry to tee bend pipe fitting II 29, tee bend pipe fitting II 29 divides out two tunnel transport, and every way is carried to corresponding nozzle 34 through a spray pipe 27, and nozzle 34 is the liquid medicine atomizing blowout, realizes spraying the liquid medicine to crops.

At the same time, the handle switch 14 is operated, the handle switch 14 drives the pull rod 15 to move relative to the discharging elbow 13, the pull rod 15 pulls the baffle 18 to move outwards from the discharge elbow 13, and fertilizer in the discharge elbow 13 is discharged outwards, so that fertilizer is applied to crops.

And one outlet end of the tee pipe II 29 is connected with the inlet end of the tee pipe I28, one outlet end of the tee pipe I28 is connected with the spraying pipe 27, the other outlet end of the tee pipe I28 is connected with one end of the return pipe 26, and the other end of the return pipe 26 is inserted into the spraying kettle 5. The liquid medicine introduced into the return pipe 26 is circularly conveyed to the spraying kettle 5, the liquid medicine is sprayed out of the spraying kettle 5 through the return pipe 26, and the sprayed liquid medicine impacts the liquid medicine in the spraying kettle 5, so that the pressure relief effect can be realized while the liquid medicine in the spraying kettle is stirred.

After the work is finished: after the spraying and fertilizing operation is finished, the handle switch is loosened, the baffle is closed, the water pump 20 is turned off through the remote control switch 7, and spraying is stopped, namely, the fertilizing and spraying operation is stopped.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a fertile spraying device of backpack medicine which characterized in that: comprises that

A fertilizer carrying pot (1);

the fertilizer conveying pipe (3) is mounted on the fertilizer carrying kettle (1), at least two fertilizer conveying pipes (3) are mounted on the fertilizer carrying kettle (1), and the fertilizer conveying pipes (3) can move relative to the fertilizer carrying kettle (1);

the fertilizer unloading part (9), the fertilizer unloading part (9) is installed on the fertilizer conveying pipe (3) and is used for controlling the fertilizer conveying pipe (3) to unload materials outwards;

a liquid medicine pumping part; and

and each fertilizing and conveying pipe (3) is provided with at least one nozzle (34), and the nozzles (34) are connected with the liquid medicine pumping part.

2. The backpack insecticide-fertilizer spraying device according to claim 1, characterized in that: the liquid medicine pumping part comprises

A spray pot (5);

the water pump (20) is provided with a water inlet and a water outlet, the water inlet of the water pump (20) is connected with the spraying kettle (5), and the water outlet of the water pump is connected with the nozzle (34).

3. The backpack insecticide-fertilizer spraying device according to claim 2, wherein: also comprises a spray pipe (27) and a multi-way pipe fitting;

the multi-way pipe fitting is provided with a plurality of ports, one port is connected with the water outlet of the water pump (20), and the other ports are connected with the corresponding nozzles (34) through the spray pipes (27).

4. The backpack insecticide-fertilizer spraying device according to claim 3, characterized in that: a return pipe (26);

one end of the return pipe (26) is connected with one port of the multi-way pipe fitting, and the other end of the return pipe is inserted into the spraying kettle (5);

or one end of the return pipe (26) is connected with one port of the multi-way pipe fitting through a three-way pipe fitting, and the other end of the return pipe (26) is inserted into the spraying kettle (5); the remaining port of the tee is connected to a spray pipe (27).

5. The backpack insecticide-fertilizer spraying device as claimed in any one of claims 2 to 4, wherein: the remote control switch also comprises a remote control switch (7) and a remote switch electronic module (21);

the remote switch (7) and the water pump (20) are electrically connected with the remote switch electronic module (21).

6. The backpack insecticide-fertilizer spraying device according to claim 5, wherein: the remote switch is characterized by further comprising a battery (19), wherein the battery (19) is electrically connected with the water pump (20) and the remote switch electronic module (21).

7. The backpack insecticide-fertilizer spraying device as claimed in any one of claims 1 to 4, wherein: the fertilizer unloading part comprises

The baffle (18), the said baffle (18) is inserted into the said fertilization delivery pipe (3) movably;

a spring (16), wherein the spring (16) is arranged on the fertilization delivery pipe (3) through a spring bracket (17);

one end of the pull rod (15) penetrates through the spring support (17) and the spring (16) in sequence to be connected with the baffle (18); and

the handle switch (14), handle switch (14) movable mounting in fertilization conveyer pipe (3) to be connected with pull rod (15), be used for pulling baffle (18) for fertilization conveyer pipe (3) remove.

8. The backpack insecticide-fertilizer spraying device according to claim 7, wherein: the fertilization delivery pipe (3) comprises

One end of the corrugated hose (10) is connected with the fertilizer carrying kettle (1);

the discharging pipe (12), one end of the discharging pipe (12) is connected with the other end of the corrugated hose (10); and

and the discharging bent pipe (13), wherein the discharging bent pipe (13) is connected with the other end of the discharging pipe (12).

9. The backpack insecticide-fertilizer spraying device according to claim 8, wherein: the device also comprises a reducing adapter tube (11);

the blanking pipe (12) is connected with the corrugated hose (10) through a reducing adapter pipe (11).

10. The backpack insecticide-fertilizer spraying device according to claim 7, characterized in that: carry fertile pot lid (36) and have hu kou (35) and carry fertile pot lid (36) at the top of fertile pot (1) and set up filter screen (37) on hu kou (35), carry fertile pot lid (36) activity buckle lid in hu kou (35).