CN115316368A

CN115316368A - Pesticide fertilizer sprayer

Info

Publication number: CN115316368A
Application number: CN202210940181.0A
Authority: CN
Inventors: 郝跃龙; 李夺; 郭继承; 李静; 张辉; 雷彩云; 张欢; 贾成梁; 马妹丹; 韩学颖; 黄茹
Original assignee: Beijing Lvjinghua Ecological Garden Co ltd
Current assignee: Beijing Lvjinghua Ecological Garden Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-11-11
Anticipated expiration: 2042-08-05
Also published as: CN115316368B

Abstract

The application relates to a pesticide-fertilizer sprayer, and a pesticide-fertilizer spraying technology, which comprises a barrel body and a spraying rod; the barrel body is provided with a liquid injection port, a pump body is arranged in the barrel body, a connecting pipe is fixedly connected between the pump body and the spray rod, and the end part of the spray rod is provided with an atomizing nozzle; the barrel body is provided with a storage battery for supplying power to all electric devices on the barrel body; the barrel body is provided with a control panel for controlling each electric device on the sprinkler; a pressure sensor is arranged in the barrel body; the barrel body is provided with an injector, and a liquid outlet of the injector extends into the barrel body; the barrel body is also provided with a pushing piece used for pushing the push rod of the injector. The sprayer in this application can improve the advantage of the preparation efficiency of liquid medicine (or fertile liquid) and the water mixed liquid in the staving.

Description

Pesticide fertilizer sprayer

Technical Field

The application relates to a pesticide fertilizer spraying technology, in particular to a pesticide fertilizer sprayer.

Background

In the garden maintenance process, the nursery stock is often required to be sprayed with medicines or fertilizers in order to maintain nutrition for the nursery stock or remove plant diseases and insect pests.

In the related art, the spraying of the medicine or the liquid fertilizer needs to be carried out by a sprayer, and in the whole spraying process of the medicine or the fertilizer, workers need to mix the medicine (or the fertilizer) and water in the sprayer according to a specific proportion. In the process, the whole process needs manual operation, on one hand, the proportioning precision of the medicine or fertilizer mixed liquid is difficult to control, and on the other hand, the efficiency is low.

Disclosure of Invention

The application aims to provide a pesticide-fertilizer sprayer capable of improving the manufacturing efficiency of liquid medicine (or fertilizer liquid) and water mixed liquid in a barrel body.

The application provides a medicine fertilizer sprinkler adopts following technical scheme:

a pesticide fertilizer sprayer comprises a barrel body and a spraying rod; the barrel body is provided with a liquid injection port, a pump body is arranged in the barrel body, a connecting pipe is fixedly connected between the pump body and the spray rod, and the end part of the spray rod is provided with an atomizing nozzle; the barrel body is provided with a storage battery used for supplying power to all electric devices on the barrel body; the barrel body is provided with a control panel for controlling each electric device on the sprinkler; a pressure sensor is arranged in the barrel body; the barrel body is provided with an injector, and a liquid outlet of the injector extends into the barrel body; the barrel body is also provided with a pushing piece used for pushing the push rod of the injector.

Through adopting above-mentioned technical scheme, through annotating the liquid mouth to the internal water injection of staving, because the pressure value that leads to pressure sensor to in the staving is different for the difference of water injection volume, behind pressure sensor with signal transmission to control panel, control panel through drive impeller with a certain amount of liquid medicine in the syringe or fertile liquid inject into the staving can.

Optionally, the barrel body is provided with a mounting hole, and the injector is connected to the barrel body through threads.

By adopting the technical scheme, the syringe is convenient to be detached from the barrel body by people, so that the people can add liquid medicine or fertilizer liquid into the syringe conveniently.

Optionally, the mounting hole is located at the top of the barrel body, and the injector is vertically arranged.

Through adopting above-mentioned technical scheme, because the vertical setting of syringe, the in-process that liquid medicine or fertile liquid in the impeller promotion syringe injected into the staving, the liquid medicine can drip to the staving as far as in, can avoid the liquid medicine as far as to flow along the outer wall of syringe like this, lead to the loss of liquid medicine, and then influence the concentration precision of the interior mixed liquid of staving.

Optionally, a flushing assembly is arranged in the barrel body;

the flushing assembly comprises a water pump and a water pipe; one end of the water pipe is connected with the water pump, and the other end of the water pipe faces the liquid outlet of the injector.

Through adopting above-mentioned technical scheme, after in liquid propelling movement to the staving with in the syringe, the liquid outlet of washing subassembly to the syringe washs, avoids the liquid outlet department of syringe to produce the residue of liquid medicine or fertile liquid as far as.

Optionally, the pressure sensor is located on a bottom wall in the barrel.

By adopting the technical scheme, the barrel body can be internally filled with water with different quantities and then can be detected by the pressure sensor.

Optionally, a protection mechanism is arranged in the barrel body;

the protection mechanism comprises a running track vertically and fixedly connected to the inner wall of the barrel body; a first slideway and a second slideway are vertically arranged in the running track; a guide piece is fixedly connected in the running track;

a first sliding part is connected to the inside of the first sliding way in a sliding mode, and an elastic part is fixedly connected between the first sliding part and the running track; a second sliding part connected to the second slideway in a sliding manner;

the adjusting rope is fixedly connected between the first sliding part and the second sliding part and upwards bypasses the guide part;

the pressure rod is fixedly connected into the sealing cover and is aligned with the second sliding part;

when the sealing cover covers the barrel body, the pressure lever presses the sliding part to prevent the pressure sensor from being shielded;

when the sealing cover is separated from the barrel body, the cover shields the pressure sensor under the action of the elastic piece.

Through adopting above-mentioned technical scheme, can reduce the influence to pressure sensors in the in-process of annotating water into the staving.

Optionally, the barrel body is provided with an arrangement hole, an elastic sealing element is fixedly connected in the arrangement hole, a stirring element penetrates through the arrangement hole, and the stirring element penetrates through the elastic sealing element.

Through adopting above-mentioned technical scheme, after liquid medicine or fertile liquid injection staving, can use the stirring piece to stir mixed liquid, the quick homogeneous mixing of mixed liquid with higher speed.

Optionally, the stirring piece comprises a stirring rod and a sleeve sleeved on the periphery of the stirring rod;

the sleeve is fixedly connected to the elastic sealing element;

the bottom of the stirring rod is fixedly connected with a plurality of stirring blades.

Through adopting above-mentioned technical scheme, the staff both can stir mixed liquid through rocking the stirring piece, can also stir mixed liquid through rotating the puddler.

Optionally, a base is fixedly connected to the inside of the barrel body, an embedded groove is formed in the base, a limiting part is fixedly connected to the stirring rod, and the limiting part is connected to the inside of the embedded groove in a sliding mode.

Through adopting above-mentioned technical scheme, under the cooperation of caulking groove and locating part, when stirring a not use on the one hand, can be better stir a maintenance vertical stable state, on the other hand rotates the in-process of puddler at the staff, can make the locating part continuously keep stretching into the state of caulking groove, can make the rotation of puddler more laborsaving and convenient like this.

Optionally, a positioning seat is fixedly connected to the barrel body, and a positioning groove is formed in the positioning seat; the sleeve is fixedly connected with a limiting part which extends into the positioning groove

Through adopting above-mentioned technical scheme, when people are rotating the in-process of puddler, the cooperation of limiter and constant head tank can be spacing to the sleeve pipe formation, avoids the sleeve pipe to produce the rotation as far as.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the pressure sensor is arranged in the barrel body, the injector and the pushing piece used for pushing the injector are arranged on the barrel body, and the addition of liquid medicine or fertilizer liquid can be automatically realized according to the water injection amount in the barrel body;

2. through set up protection machanism in the staving, at the in-process of annotating water in to the staving, protection machanism can protect pressure sensors, avoids water impact to cause the influence to pressure sensors as far as.

Drawings

FIG. 1 is a schematic view of the overall construction of a sprinkler in an embodiment of the present application;

FIG. 2 is a schematic sectional view for highlighting the internal structure of the barrel in the embodiment of the present application;

FIG. 3 is a partial cross-sectional view of the sprayer highlighting the mounting structure of the injector on the barrel of an embodiment of the present application;

FIG. 4 is a schematic structural diagram of an external shape of a mounting seat in the embodiment of the present application;

FIG. 5 is a partial sectional view of a mount highlighting a coupling structure of a main body portion and a rotating portion in an embodiment of the present application;

FIG. 6 is a cross-sectional view highlighting the internal structure of the travel slide in an embodiment of the present application;

FIG. 7 is a top view of a sprinkler in an embodiment of the present application;

fig. 8 is a partially enlarged view of a portion a in fig. 7;

FIG. 9 is a schematic view showing a connection structure between the stirring rod and the base in the embodiment of the present application.

In the figure, 1, a barrel body; 11. a liquid injection port; 12. a sealing cover; 13. a pump body; 131. a connecting pipe; 14. a pressure sensor; 15. mounting holes; 16. a mounting seat; 161. a main body portion; 1611. connecting grooves; 162. a rotating part; 1621. a connecting member; 163. a positioning assembly; 1631. installing a track; 1632. a positioning member; 1633. an elastic member; 1634. a positioning ring; 17. arranging holes; 171. an elastomeric seal; 18. a base; 181. caulking grooves; 19. positioning seats; 191. positioning a groove; 1911. a magnetic member; 10. a control panel; 2. a spray bar; 21. an atomizing spray head; 22. a flow valve; 3. an injector; 31. a liquid outlet; 32. a push rod; 4. a pusher member; 5. a flushing assembly; 51. a water pump; 52. a water pipe; 6. a protection mechanism; 61. an adjustment assembly; 611. running the track; 6111. a first slideway; 6112. a second slideway; 6113. a guide member; 612. a first sliding part; 613. a second sliding part; 614. a pressure lever; 615. adjusting the rope; 616. an elastic member; 62. covering; 7. a stirring member; 71. a stirring rod; 711. agitating the blades; 712. a limiting member; 72. a sleeve; 721. a limiting member; 7211. an adsorbing member; 8. and (4) a storage battery.

Detailed Description

The present application is described in further detail below with reference to fig. 1-9.

A pesticide fertilizer sprayer, which is shown in figure 1 and comprises a barrel body 1 for containing pesticide mixed liquid or fertilizer mixed liquid; and a spray bar 2 for spraying the mixed liquid in the tub 1 to the outside.

The top of the barrel body 1 is provided with a liquid injection port 11 for injecting water into the barrel body 1.

The liquid filling port 11 is provided with a sealing cover 12 for opening and closing the liquid filling port 11, the sealing cover 12 may be screwed to the barrel 1, but the connection form between the sealing cover 12 and the barrel 1 is not limited to the screwed connection, and the sealing cover 12 may be made of an elastic material, and the sealing cover 12 is sleeved to the liquid filling port 11 by its own elasticity.

Referring to fig. 2, a pump body 13 is disposed in the barrel 1, and the pump body 13 is communicated with the spray rod 2 through a connection pipe 131.

Referring to fig. 1, an atomizing nozzle 21 is disposed at an end of the spray bar 2 away from the connection pipe 131. The pump body 13 pumps the mixed liquid in the barrel body 1 to the spraying rod 2, and then the mixed liquid is sprayed out through the atomizing nozzle 21. The spraying rod 2 is provided with a flow valve 22, and the flow valve 22 is used for controlling the liquid flow passing through the flow valve 22 so as to control the size of the water mist at the atomizing nozzle 21.

Referring to fig. 2, a pressure sensor 14 is disposed in the tub 1, and the pressure sensor 14 is used for detecting water pressure in the tub 1. In order to ensure that the pressure sensor 14 can be better sensed by the pressure sensor 14 when facing different amounts of water inside the tub 1, the pressure sensor 14 is disposed at the bottom wall inside the tub 1.

Referring to fig. 3, a mounting hole 15 is formed in the barrel body 1, a syringe 3 penetrates through the mounting hole 15, and a liquid outlet 31 of the syringe 3 extends into the barrel body 1.

The side wall of the barrel body 1 is provided with a pushing piece 4 for pushing a pushing rod 32 of the injector 3. Specifically, the pushing member 4 is an electric push rod, but the pushing member 4 is not limited to the electric push rod, and may be a hydraulic cylinder or an air cylinder.

The barrel body 1 is provided with a mounting seat 16, the pushing piece 4 is fixedly mounted on the mounting seat 16, and a piston rod of the pushing piece 4 is coaxially abutted to a push rod 32 of the injector 3.

Referring to fig. 2, a control panel 10 is mounted on a side wall of the tub 1, and the control panel 10 is used to control various electric devices on the sprinkler.

The barrel body 1 is provided with a storage battery 8 for supplying power to all electric devices on the barrel body 1.

The liquid medicine or the fertilizer liquid is injected into the syringe 3. Through annotating liquid mouth 11 water injection in to staving 1, after the water injection finishes, the pressure sensor 14 in the staving 1 senses the water pressure in the staving 1, and then with signal feedback to control panel 10, because the size of the water yield in the staving 1 can lead to the hydraulic size in staving 1 bottom to change, control panel 10 can judge the water yield in the staving 1 according to the water pressure in the staving 1, and then control impeller 4 promotes the specific distance of push rod 32 motion of syringe 3, make a certain amount of liquid medicine or fertile liquid be injected into in the staving 1.

Referring to fig. 3, further, to facilitate mounting of the syringe 3 on the tub 1, the syringe 3 is screwed to the tub 1. The detachable connection between the syringe 3 and the barrel 1 can be achieved by screwing the syringe 3.

Referring to fig. 4, the mount 16 includes a main body portion 161 and a rotating portion 162. The main body 161 is fixedly mounted to the tub 1, and the rotating part 162 is rotatably connected to the main body 161.

Referring to fig. 5, in particular, a connection groove 1611 with a T-shaped cross section is arranged on the main body portion 161, the connection groove 1611 includes a circular connection cavity opened into the main body portion 161, a circular connection hole communicated with the connection cavity is opened on the surface of the main body portion 161, the diameter of the connection hole is smaller than that of the connection cavity, and the connection hole is coaxial with the connection cavity.

A connecting piece 1621 matched with the connecting groove 1611 is fixedly connected to the corresponding rotating part 162, the cross section of the connecting piece 1621 is "T" shaped, and the connecting piece 1621 is slidably connected into the connecting groove 1611.

Referring to fig. 4, a positioning member 163 is disposed between the main body 161 and the rotating portion 162.

Specifically, the positioning assembly 163 includes a mounting rail 1631 vertically mounted to the rotating part 162; a positioning member 1632 slidably connected to the mounting rail 1631, an elastic member 1633 fixedly connected between the positioning member 1632 and the mounting rail 1631, and a positioning ring 1634 fixedly connected to the main body 161, wherein an end of the positioning member 1632 extends into the positioning ring 1634 under the action of the elastic member 1633. And the positioning member 1632 is inserted into the positioning ring 1634 to position the rotating part 162.

In order to adjust the positioning member 1632, a toggle member is vertically fixed to the positioning member 1632.

In the process of installing the syringe 3, the worker can toggle the positioning element 1632 by the toggle element to separate the positioning element 1632 from the positioning ring 1634, and then rotate the rotating part 162 to release the limitation on the syringe 3 by the pushing element 4, and then can dismount the syringe 3 from the barrel 1.

The mounting hole 15 is opened to the top of the barrel body 1, and the injector 3 is vertically arranged.

Because syringe 3 is vertical, in the in-process that pushing piece 4 promoted liquid medicine or fertile liquid in syringe 3 and pour into staving 1, the liquid medicine can drip to staving 1 in as far as, can avoid the liquid medicine as far as like this to flow along the outer wall of syringe 3, leads to the loss of liquid medicine, and then influences the concentration precision of mixed liquid.

Referring to fig. 2, further, a flushing assembly 5 is arranged in the barrel 1, and the purpose of the flushing assembly 5 is that, after the syringe 3 finishes injecting the liquid medicine or the fertilizer liquid into the barrel 1, the flushing assembly 5 can extract water in the barrel 1 to spray the liquid outlet 31 of the syringe 3, so that the residue of the liquid medicine or the fertilizer liquid at the liquid outlet 31 of the syringe 3 can be reduced as much as possible.

Specifically, washing assembly 5 includes water pump 51 and water pipe 52, and water pump 51 fixed mounting is to the bottom in the staving 1, and water pipe 52 fixed mounting is to the inner wall of staving 1, and the one end of water pipe 52 is connected with water pump 51, and the other end of water pipe 52 is towards the liquid outlet 31 of syringe 3.

Referring to fig. 2, a protection mechanism 6 is provided in the tub 1. The purpose that protection machanism 6 set up is in the in-process to the water injection in staving 1, and protection machanism 6 can form the protection to pressure sensors 14, avoids rivers direct impact to pressure sensors 14 as far as, makes pressure sensors 14's sensitivity and life receive the influence.

Specifically, the guard mechanism 6 includes an adjustment assembly 61 and a cover 62. The adjustment assembly 61 includes a running rail 611, a first slider 612, a second slider 613, a pressure lever 614 and an adjustment cord 615.

The running rail 611 is vertically fixedly connected to the inner wall of the tub 1.

Referring to fig. 6, the running rail 611 is a C-shaped channel steel, a first slideway 6111 and a second slideway 6112 are vertically arranged on the inner wall of the running rail 611, and the second slideway 6112 is located on the outer side of the first slideway 6111.

The first sliding part 612 is slidably connected into the first sliding way 6111, and the second sliding part 613 is slidably connected into the second sliding way 6112. An elastic member 616 is fixedly connected between the first sliding member 612 and the running rail 611, and in order to save the occupied space of the elastic member 616, the elastic member 616 is located in the running rail 611.

The top of the running rail 611 is fixedly connected with a guide 6113, two ends of the adjusting rope 615 are fixedly connected with the first sliding part 612 and the second sliding part 613 respectively, and the adjusting rope 615 passes around the guide 6113 upwards.

The pressure lever 614 is vertically secured within the seal cap 12. The cover 62 is fixed to the first sliding member 612.

After the sealing cover 12 is covered on the barrel body 1, the liquid injection port 11 is closed, and in the process of covering the sealing cover 12 on the barrel body 1, the pressing rod 614 presses the second sliding part 613, the second sliding part 613 moves downward, the second sliding part 613 drives the first sliding part 612 to move upward through the adjusting rope 615, so that the covering 62 releases the shielding of the pressure sensor 14, and at the moment, the pressure sensor 14 can sense the water pressure in the barrel body 1.

When the sealing lid 12 is detached from the barrel 1, the pouring port 11 is in an open state. The first sliding member 612 is reset by the elastic member 1633, so that the cover 62 forms a shield for the pressure sensor 14. The cover 62 can protect the pressure sensor 14 during the process of filling water into the tub 1.

Referring to fig. 2, be equipped with stirring piece 7 on staving 1, the purpose that stirring piece 7 set up lies in, after the staff pours into liquid medicine or fertile liquid into staving 1 into, can use stirring piece 7 to stir the mixed liquid in staving 1, promotes liquid medicine or fertile liquid and the water flash mixed in the staving 1.

Referring to fig. 7 and 8, specifically, a circular arrangement hole 17 is formed in the top of the barrel body 1, an elastic sealing member 171 is fixedly connected in the arrangement hole 17, and the elastic sealing member 171 may be made of a rubber material. The stirring piece 7 vertically penetrates through the elastic sealing member 171 and then extends into the barrel body 1, and the stirring piece 7 is fixedly connected with the elastic sealing member 171.

The stirring component 7 includes a stirring rod 71 and a sleeve 72, the sleeve 72 is sleeved on the periphery of the stirring rod 71, the sleeve 72 is slidably connected with the stirring rod 71, and the sleeve 72 is fixedly connected to the elastic sealing member 171.

Referring to fig. 9, both ends of the agitating bar 71 protrude from both ends of the sleeve 72, respectively. The stirring rod 71 is uniformly and fixedly connected with a plurality of stirring blades 711 on the peripheral surface of one end extending into the barrel body 1.

People can promote the mixture of the interior liquid of the barrel body 1 by shaking the stirring member 7, and can also realize the mixture of the interior liquid of the barrel body 1 by rotating the stirring rod 71 to drive the stirring blade 711 to rotate.

A base 18 is fixedly connected to the bottom wall in the barrel body 1, a circular caulking groove 181 is formed in the base 18, a magnetic attraction member 1911 is fixedly connected to the bottom wall in the caulking groove 181, a setting limiting member 712 matched with the caulking groove 181 is fixedly connected to the bottom end of the stirring rod 71, and the limiting member 712 is connected to the caulking groove 181 in a sliding manner.

Under the cooperation of the caulking groove 181 and the limiting piece 712, on one hand, when the stirring piece 7 is not used, the stirring piece 7 can be better kept in a vertical stable state, and on the other hand, in the process that a worker rotates the stirring rod 71, the limiting piece 712 can be continuously kept in a state of extending into the caulking groove 181, so that the stirring rod 71 can be rotated more conveniently and more labor-saving.

Referring to fig. 8, a limiting member 721 is vertically fixed to the outer periphery of the sleeve 72, and the limiting member 721 is located on the outer periphery of the tub 1. The barrel body 1 at the periphery of the corresponding arrangement hole 17 is fixedly connected with a positioning seat 19, and the positioning groove 191 is provided with a positioning groove 191 matched with the limiting piece 721 for use. And when the limiting member 721 is inserted into the insertion groove 181 of the base 18, the limiting member 721 is slidably connected to the positioning groove 191. When one rotates the stirring rod 71, the limiting piece 721 and the positioning groove 191 cooperate to limit the sleeve 72, so as to prevent the sleeve 72 from rotating as much as possible.

The positioning groove 191 is fixedly connected with a magnetic element 1911, the positioning element 1632 is fixedly connected with an adsorbing element 7211, and after the limiting element 721 is embedded in the positioning groove 191, the limiting element 721 can be embedded in the positioning groove 191 more stably by the cooperation of the magnetic element 1911 and the adsorbing element 7211.

The implementation principle of the embodiment of the application is as follows: the staff opens sealed lid 12, covers 62 after sealed lid 12 is opened and produces under the effect of elastic component 616 and shelter from pressure sensors 14, then annotates water in to staving 1 through annotating liquid mouth 11, and after the water injection finished, the staff closed sealed lid 12 to staving 1, covers 62 this moment and removes the sheltering from to pressure sensors 14. Pressure sensor 14 senses the water pressure in staving 1 to with signal transmission to control panel 10, control system can differentiate the water yield in the staving 1 according to the water pressure in the staving 1, then the depression bar 614 through impeller 4 promotion syringe 3 moves certain distance, thereby make in the syringe 3 a certain amount of liquid medicine or fertile liquid enter into staving 1, later flushing assembly 5 is to the liquid outlet 31 water spray of syringe 3, reduce the liquid medicine of liquid outlet 31 department on the syringe 3 or the residue of fertile liquid. Then the staff can stir the mixed liquid in the staving 1 through stirring 7 to increase the mixing efficiency of the liquid in the staving 1.

The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. Therefore: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A pesticide-fertilizer sprayer, which comprises a barrel body (1) and a spraying rod (2); a liquid injection port (11) is formed in the barrel body (1), a pump body (13) is arranged in the barrel body (1), a connecting pipe (131) is fixedly connected between the pump body (13) and the spray rod (2), and an atomizing nozzle (21) is arranged at the end part of the spray rod (2); the barrel body (1) is provided with a storage battery (8) used for supplying power to all electric devices on the barrel body (1); the device is characterized in that a control panel (10) for controlling each electric device on the sprinkler is arranged on the barrel body (1); a pressure sensor (14) is arranged in the barrel body (1); the barrel body (1) is provided with an injector (3), and a liquid outlet (31) of the injector (3) extends into the barrel body (1); the barrel body (1) is also provided with a pushing piece (4) used for pushing the pushing rod (32) of the injector (3).

2. A fertilizer applicator according to claim 1, wherein said tank (1) is provided with a mounting hole (15), and said injector (3) is screwed into said tank (1).

3. A fertilizer applicator according to claim 2, wherein said mounting hole (15) is located at the top of said barrel (1) and said injector (3) is vertically disposed.

4. A fertilizer applicator according to claim 1, 2 or 3, wherein a flushing assembly (5) is provided within the body (1);

the flushing assembly (5) comprises a water pump (51) and a water pipe (52); one end of the water pipe (52) is connected with the water pump (51), and the other end of the water pipe (52) faces the liquid outlet (31) of the injector (3).

5. A fertilizer applicator according to claim 1, wherein said pressure sensor (14) is located in the bottom wall of said tank (1).

6. A fertilizer sprayer according to claim 1, wherein a sealing cover (12) is provided at said pouring port (11);

a protection mechanism (6) is arranged in the barrel body (1);

the protection mechanism (6) comprises a running track (611) vertically fixedly connected to the barrel body (1); a first slide way (6111) and a second slide way (6112) are vertically arranged in the running track (611); a guide piece (6113) is fixedly connected in the running track (611);

a first sliding part (612) connected to the first sliding way (6111) in a sliding way, and an elastic part (616) is fixedly connected between the first sliding part (612) and the running rail (611); a second sliding part (613) connected to the second sliding way (6112) in a sliding way;

an adjusting rope (615) fixedly connected between the first sliding part (612) and the second sliding part (613), wherein the adjusting rope (615) bypasses the guide piece (6113);

a pressure bar (614) affixed within the seal cap (12) and aligned with the second slider (613);

further comprising a cover (62) fixedly connected to the first sliding part (612)

When the sealing cover (12) is covered on the barrel body (1), the pressing rod (614) presses the second sliding part (613), and the cover (62) is separated from shielding the pressure sensor (14);

when the sealing cover (12) is separated from the barrel body (1), the cover (62) shields the pressure sensor under the action of the elastic piece (616).

7. The insecticide-fertilizer sprayer according to claim 1, wherein the barrel body (1) is provided with an arrangement hole (17), an elastic sealing member (171) is fixedly connected in the arrangement hole (17), a stirring member (7) penetrates through the arrangement hole (17), and the stirring member (7) penetrates through the elastic sealing member (171).

8. A fertilizer spraying device according to claim 7, wherein the stirring member (7) comprises a stirring rod (71) and a sleeve (72) which is sleeved on the periphery of the stirring rod (71);

said sleeve (72) being secured to said resilient seal (171);

the bottom end of the stirring rod (71) is fixedly connected with a plurality of stirring blades (711).

9. The insecticide-fertilizer sprayer according to claim 8, wherein a base (18) is fixedly connected in the barrel (1), a caulking groove (181) is formed in the base (18), a limiting member (712) is fixedly connected to the stirring rod (71), and the limiting member (712) is slidably connected into the caulking groove (181).

10. The insecticide-fertilizer sprayer according to claim 9, wherein a positioning seat (19) is fixedly connected to the barrel body (1), and a positioning groove (191) is formed in the positioning seat (19); a limiting piece (721) is fixedly connected to the sleeve (72), and the limiting piece (721) extends into the positioning groove (191).