A persimmon tree pesticide application device

Abstract

The application discloses a persimmon medicine applying device, which comprises a shell, an inner wall of one end of the shell is fixed with a push-pull assembly, one end of the push-pull assembly is fixed with a supporting assembly, the supporting assembly has two groups, the two groups of the supporting assembly are symmetrically arranged with the push-pull assembly as the center, one end of the supporting assembly is fixed to the inner side wall of the shell, the other end of the push-pull assembly is provided with a medicine feeding assembly, the outer side of the medicine feeding assembly is provided with a medicine applying assembly, and the side of the medicine applying assembly is provided with a driving assembly. According to the application, the push-pull assembly and the supporting assembly are combined, the staff can drive the supporting assembly to relatively approach or move away through the push-pull assembly, the force of the medicine applying assembly pressing on the tree surface can be changed according to the thickness of the tree trunk, the medicine applying device is prevented from being directly pressed on the tree trunk to cause a feeling of stagnation and affect the brushing efficiency, and meanwhile, the medicine applying assembly is prevented from being damaged due to being pressed on the rough tree surface with great force.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medicine applying device. BACKGROUND

[0002] Persimmon is planted as landscape plants before being planted as fruit trees, and is widely planted as fruit trees later. Persimmon needs to be applied medicine on branches at different growth stages. The current medicine applying device applies medicine on the wound gully or bending part of the tree surface by changing the direction of the medicine applying head, and the effect of applying medicine on the fine part of the tree surface is poor, and the medicine needs to be applied again in the later period, which is time-consuming and laborious. Meanwhile, it is difficult to control the force of applying medicine by directly pressing the medicine applying head against the tree surface, which is easy to cause the medicine applying head to be stuck or damaged. SUMMARY

[0003] Therefore, the technical problem to be solved by the present application is to provide a persimmon medicine applying device which reduces the sticking and damage of medicine applying and applies medicine on the fine part of the tree surface.

[0004] In order to solve the above technical problems, the present application provides the following technical scheme: a persimmon medicine applying device, comprising a shell, an inner wall of one end of the shell is fixed with a push-pull assembly, one end of the push-pull assembly is fixed with a supporting assembly, the supporting assembly has two groups, the two groups of supporting assemblies are symmetrically arranged with the push-pull assembly as the center, and one end of the supporting assembly is fixed to the inner side wall of the shell, the other end of the push-pull assembly is provided with a medicine feeding assembly, the outer side of the medicine feeding assembly is provided with a medicine applying assembly, the side surface of the medicine applying assembly is provided with a driving assembly, the top of the medicine applying assembly is provided with a universal assembly, the top of the universal assembly is connected with the medicine feeding assembly, and the universal assembly is uniformly distributed in a ring array with the medicine feeding assembly as the axis.

[0005] The above-mentioned persimmon medicine applying device, the push-pull assembly comprises a supporting frame, both ends of the supporting frame are connected with the shell, the supporting frame is arranged in a cross shape as a whole, two through communication holes are formed in the inside of the supporting frame and are connected in communication in the middle section, a push-pull rod is inserted into the inner wall of one of the communication holes, one end of the push-pull rod is connected with the medicine feeding assembly, a second push-pull rod is inserted into the inner wall of the other communication hole, a return spring is fixed between the second push-pull rod and the bottom wall in the communication hole, one end of the second push-pull rod penetrating through the communication hole is connected with the supporting assembly, and a fixing frame is adjusted on the side surface of the push-pull rod, both ends of the fixing frame are fixed on the surface of the shell.

[0006] The persimmon tree pesticide applying device, the support assembly includes a traction rope, the traction rope is connected with the second push-pull rod, one end of the traction rope is fixed with a movable arm, both ends of the movable arm are respectively hinged with a rotatable first roller and a fixed seat, the two first rollers are oppositely and obliquely arranged, one end of the fixed seat is fixed to the inner wall of the shell, one end of the movable arm close to the fixed seat is fixed with a second return spring, one end of the second return spring is fixed to the inner side wall of the shell.

[0007] The persimmon tree pesticide applying device, the support assembly includes a traction rope, the traction rope is connected with the second push-pull rod, one end of the traction rope is fixed with a movable arm, both ends of the movable arm are respectively hinged with a rotatable first roller and a fixed seat, the two first rollers are oppositely and obliquely arranged, one end of the fixed seat is fixed to the inner wall of the shell, one end of the movable arm close to the fixed seat is fixed with a second return spring, one end of the second return spring is fixed to the inner side wall of the shell.

[0008] The persimmon tree pesticide applying device, the support assembly includes a traction rope, the traction rope is connected with the second push-pull rod, one end of the traction rope is fixed with a movable arm, both ends of the movable arm are respectively hinged with a rotatable first roller and a fixed seat, the two first rollers are oppositely and obliquely arranged, one end of the fixed seat is fixed to the inner wall of the shell, one end of the movable arm close to the fixed seat is fixed with a second return spring, one end of the second return spring is fixed to the inner side wall of the shell.

[0009] The persimmon medicine applying device, the medicine applying assembly includes an inner drive sleeve, the middle part of the inner drive sleeve is sleeved on the outside of the bottom end medicine discharging pipe, the inner side wall of the bottom of the inner drive sleeve is fixedly connected with the connecting plate, the outer side of the inner drive sleeve is fixedly connected with a displacement sealing ring, the outer part of the inner drive sleeve is connected with an outer sleeve through the displacement sealing ring, the center of the top of the inner drive sleeve is connected with the outer sleeve through a reset assembly, the inner top wall of the outer sleeve is fixedly connected with four inclined slide plates which are arranged in a ring shape in a head-to-tail mode, the lower surface of the inclined slide plate is tightly connected with a semicircular top plate, the bottom of the semicircular top plate is fixed on the upper surface of the inner drive sleeve, the inner part of the inner drive sleeve is provided with an annular cavity, the inner wall side of the annular cavity is connected with the placement hole in the side of the bottom end medicine discharging pipe, the bottom side of the annular cavity is provided with a plurality of liquid discharging holes which are arranged in a ring shape, the inner top wall of the annular cavity is connected with a rotatable rotating disc through a clamping groove, the bottom of the rotating disc is fixedly connected with a third reset spring, the bottom of the third reset spring is fixedly connected with a spray head, the spray head penetrates the side of one end of the inner drive sleeve and is fixedly connected with an engaging disc, the side of the engaging disc is engagedly connected to the bottom side of the bottom end medicine discharging pipe, the number of the rotating discs is several, and the rotating discs are arranged in a ring shape in the inner part of the annular cavity, a plurality of coating strips which are arranged in a ring shape are fixedly connected to the outside of the spray opening of the spray head, the outside of the bottom end of the outer sleeve is connected with a ring-shaped connecting ring through a sliding groove, the bottom of the ring-shaped connecting ring is clamped with a ring-shaped brushing cotton ring, a rotatable driving wheel is inserted into the top end of the ring-shaped connecting ring, and the two sides of the driving wheel are engagedly connected to the inner side of the ring-shaped connecting ring and the outer side of the inner drive sleeve.

[0010] The persimmon medicine applying device, the reset assembly includes two ring-shaped rings, one end of the two ring-shaped rings is connected to the inner surface of the inner drive sleeve and the upper surface of the outer sleeve through a sliding groove, and the fourth reset spring is fixed between the two ring-shaped rings.

[0011] The persimmon medicine applying device, the universal assembly includes a supporting spring, the upper and lower ends of the supporting spring are fixed to the lower surface of the front end medicine discharging pipe and the outer surface of the outer sleeve respectively, the number of the supporting springs is four, and the four supporting springs are evenly distributed in a ring shape.

[0012] The persimmon medicine applying device, the driving assembly comprises a first limiting frame, a second limiting frame and a third fixing frame, the bottom of the first limiting frame, the second limiting frame and the third fixing frame is fixed on the outer surface of the outer sleeve, the inner wall of the first limiting frame is hinged with a rotatable driving disc, the side surface of the driving disc is slidably connected on the outer side of the top pipe orifice of the inner driving sleeve, the inner wall of the third fixing frame is hinged with a movable rod, the lower surface of the movable rod is fixed with a third spring, the bottom of the third spring is fixed on the outer side of the outer sleeve, the bottom of the movable rod is hinged with a second roller, the side surface of the second roller, the second limiting frame and the driving disc is connected with a transmission belt.

[0013] The technical scheme of the present application has the following beneficial technical effects:

[0014] 1、The present application, through the combination of the push-pull assembly and the supporting assembly, the worker can drive the supporting assembly to approach or move away by the push-pull assembly, and change the force of the medicine applying assembly pressing on the tree surface according to the thickness of the tree trunk, so as to avoid the feeling of stagnation caused by the medicine applying device directly pressing on the tree trunk and affecting the brushing efficiency, and at the same time, pressing on the surface of the rough tree surface with a large force will increase the damage rate of the medicine applying assembly; the existing device brushes by pressing the device on the tree surface by the worker, which not only causes great muscle loss of the worker's wrist, but also cannot press the brushing head on the uneven tree surface with a suitable force, which is easy to cause damage to the brushing head and affect the efficiency of the medicine applying device, and the above-mentioned problems can be well avoided by the above device, and the efficiency of the device is indirectly or directly improved.

[0015] 2、The present application, through the setting of the medicine applying assembly, the medicine applying assembly can be widely brushed on the outside, which can preliminarily brush the tree surface, and can also clean the adhering objects, improve the brushing efficiency of the internal brushing device, the small-range brushing of the medicine applying assembly can spray and flatten the tiny places such as wounds and gullies on the tree surface, improve the efficiency of the medicine applying assembly on the tree surface, avoid the waste of manpower and material resources caused by secondary work, and the medicine overflowing from the small-range brushing can be matched with the wide-range brushing on the outside to avoid the waste or leakage of the medicine; the existing device changes the medicine applying head to brush the curved and gully tree surface, which is complicated and inefficient, and is easy to cause secondary work.

[0016] 3、The present application, through the setting of the universal assembly, the universal assembly can change the direction of the brushing assembly, so that the brushing assembly can brush on the smooth or curved tree surface, further improve the smoothness of the device when brushing on the tree surface, and further improve the brushing efficiency of the worker.

[0017] 4. In this invention, by setting up a drive component, the drive component serves as the power source for the application component and the delivery component. It can drive the application component and the delivery component to run while the worker moves the device, and can stop the operation of the application component and the delivery component when the worker stops, thus avoiding the leakage of medicine caused by the application component and the delivery component continuing to run when the application action is interrupted. Attached Figure Description

[0018] Figure 1 A schematic diagram of the structure of this invention;

[0019] Figure 2 A schematic diagram of the structure of the meshing disc in this invention;

[0020] Figure 3 A schematic diagram of the structure of the support frame of this invention;

[0021] Figure 4 A schematic diagram of the structure at the drive wheel of this invention;

[0022] Figure 5 A cross-sectional structural diagram of the present invention;

[0023] Figure 6 A schematic cross-sectional view of the reset spring in this invention;

[0024] Figure 7 A schematic cross-sectional view of the second spring in this invention;

[0025] Figure 8 This invention Figure 6 A magnified structural diagram of point A in the middle.

[0026] The reference numerals in the figure are as follows: 1-Outer shell; 2-Support frame; 3-Push-pull rod; 4-Second push-pull rod; 5-Reset spring; 6-Fixed frame; 7-Traction rope; 8-Moving arm; 9-First roller; 10-Fixed seat; 11-Second reset spring; 12-Front end drug delivery tube; 13-Middle end flexible tube; 14-Bottom end drug discharge tube; 15-Piston push-pull rod; 16-Connecting plate; 17-Annular plate; 18-First sealing plate; 19-Spring; 20-Second sealing plate; 21-Second spring; 22-Internal drive sleeve; 23-Displacement sealing ring ; 24-Outer sleeve; 25-Sloping slide plate; 26-Semi-circular top plate; 27-Drain hole; 28-Turntable; 29-Third return spring; 30-Sprayer head; 31-Meshing disc; 32-Applying strip; 33-Annular connecting ring; 34-Annular applicator cotton ring; 35-Drive wheel; 36-Annular ring; 37-Fourth return spring; 38-Support spring; 39-First limit frame; 40-Second limit frame; 41-Third fixing frame; 42-Drive disc; 43-Modible rod; 44-Third spring; 45-Second roller; 46-Transmission belt. Detailed Implementation

[0027] Please refer to Figure 3 and Figure 8 A persimmon medicine applying device comprises a shell 1, an inner wall of one end of the shell 1 is fixed with a push-pull assembly, the push-pull assembly can drive a supporting assembly, drive two side supporting assemblies to open in opposite directions to adapt to trees of different sizes, and drive a medicine feeding assembly and a medicine applying assembly to move forward or backward to change the distance of the medicine applying assembly to move forward according to the size of the tree to avoid the medicine applying assembly pressing on the tree surface with a large force; one end of the push-pull assembly is fixed with the supporting assembly, the supporting assembly can limit the medicine applying assembly to press on the tree surface with a proper force to avoid the medicine applying assembly from sliding on the tree surface and affecting the medicine applying efficiency; the supporting assembly has two groups, the two groups of supporting assemblies are symmetrically arranged around the push-pull assembly, and one end of the supporting assembly is fixed to the inner side wall of the shell 1; the other end of the push-pull assembly is provided with the medicine feeding assembly, the medicine feeding assembly can feed the medicine applying assembly with medicine, that is, the device can continuously feed the medicine applying assembly with medicine when the device slides on the tree surface; the outer side of the medicine feeding assembly is provided with the medicine applying assembly, the medicine applying assembly can apply the medicine fed by the medicine feeding assembly to the tree surface; the side of the medicine applying assembly is provided with a driving assembly, the driving assembly can drive the medicine feeding assembly and the medicine applying assembly to operate; the top of the medicine applying assembly is provided with a universal assembly, the top of the universal assembly is connected with the medicine feeding assembly, the universal assembly is uniformly distributed in a ring array around the medicine feeding assembly, the universal assembly can change the direction of the medicine applying assembly to facilitate the user to use the device to apply medicine to the tree surface.

[0028] As shown in Figure 3 and Figure 6 , the push-pull assembly comprises a support frame 2, both ends of the support frame 2 are connected with the shell 1, the support frame 2 is arranged in a cross shape as a whole, two through holes are formed in the inside of the support frame 2 and are connected with each other in the middle, a push-pull rod 3 is inserted into the inner wall of one of the through holes, one end of the push-pull rod 3 is connected with the medicine feeding assembly, a second push-pull rod 4 is inserted into the inner wall of the other through hole, oil is filled between the push-pull rod 3 and the second push-pull rod 4, moving the push-pull rod 3 can drive the second push-pull rod 4 to move through the oil to realize the reverse displacement of the supporting assembly, the medicine feeding assembly and the medicine applying assembly; a reset spring 5 is fixed between the second push-pull rod 4 and the bottom wall of the through hole, the reset spring 5 drives the supporting assembly to reset and move to both sides; one end of the second push-pull rod 4 penetrating through the through hole is connected with the supporting assembly, a fixing frame 6 is adjusted on the side of the push-pull rod 3, both ends of the fixing frame 6 are fixed on the surface of the shell 1; the supporting assembly comprises a traction rope 7, the traction rope 7 is connected with the second push-pull rod 4, one end of the traction rope 7 is fixed with a movable arm 8, both ends of the movable arm 8 are respectively hinged with a rotatable first roller 9 and a fixed seat 10, the two first rollers 9 are oppositely inclined, one end of the fixed seat 10 is fixed on the inner wall of the shell 1, one end of the movable arm 8 close to the fixed seat 10 is fixed with a second reset spring 11, one end of the second reset spring 11 is fixed to the inner side wall of the shell 1.

[0029] As Figure 7 and Figure 8 shown, the medicine delivery assembly includes a front end medicine delivery tube 12, the side of the front end medicine delivery tube 12 is inserted with a medicine inlet tube, one end of the front end medicine delivery tube 12 is fixedly connected to the surface of the push-pull rod 3, one end of the front end medicine delivery tube 12 penetrating the communication hole of the support frame 2 is fixed with a middle end flexible tube 13, the middle end flexible tube 13 can normally deliver medicine when the medicine applying assembly is bent; the bottom of the middle end flexible tube 13 is fixed with a bottom end medicine discharge tube 14, the middle part of the bottom end medicine discharge tube 14 is provided with a first one-way assembly, the bottom of the bottom end medicine discharge tube 14 is inserted with a slidable piston push-pull rod 15, the bottom side of the piston push-pull rod 15 is fixed with two symmetrically arranged connecting plates 16, one end of the connecting plate 16 is connected with the medicine applying assembly, the side of the bottom end medicine discharge tube 14 located at one end of the piston push-pull rod 15 is provided with a second one-way assembly, the second one-way assembly is connected with the medicine applying assembly, the first one-way assembly and the second one-way assembly jointly act to enable the medicine delivery assembly to complete the work of extracting medicine and discharging medicine for the medicine applying assembly in the reciprocating movement process of the piston push-pull rod 15; the first one-way assembly includes two annular plates 17, the outer side of the annular plate 17 is fixed to the inner wall of the bottom end medicine discharge tube 14, the lower surface of the annular plate 17 located at the top is abutted with a first sealing plate 18, the first sealing plate 18 and the annular plate 17 located at the bottom are fixed with a spring 19; the second one-way assembly includes a placing hole opened in the side of the bottom end medicine discharge tube 14, one end of the placing hole close to the inner cavity of the bottom end medicine discharge tube 14 is abutted with a second sealing plate 20, one end of the second sealing plate 20 is connected with the inner wall of the placing hole through a second spring 21.

[0030] As Figure 7 and Figure 8As shown, the medicine applying assembly includes an inner driving sleeve 22, which is the driving main unit of the medicine applying assembly and can drive each component of the medicine applying assembly in cooperation with the driving assembly to smoothly complete the medicine applying action; the middle part of the inner driving sleeve 22 is sleeved on the outside of the bottom end medicine discharging pipe 14, the inner side wall of the bottom part of the inner driving sleeve 22 is fixedly connected with the connecting plate 16, the outside of the inner driving sleeve 22 is fixedly connected with a displacement sealing ring 23, which can move up and down on the inner driving sleeve 22 without affecting rotation; the outside of the inner driving sleeve 22 is connected with an outer sleeve 24 through the displacement sealing ring 23, the outer sleeve 24 does not rotate in the whole process and can change the direction of the medicine applying assembly in cooperation with the universal assembly; the center of the top part of the inner driving sleeve 22 is connected with the outer sleeve 24 through a reset assembly, the inner top wall of the outer sleeve 24 is fixedly connected with four inclined sliding plates 25 arranged in a ring array in a head-to-tail mode, the inclined sliding plates 25 can make the inner driving sleeve 22 rotate one circle to complete two piston movements, i.e. twice medicine spraying; the lower surface of the inclined sliding plate 25 is tightly connected with a semicircular top plate 26, the bottom part of the semicircular top plate 26 is fixed on the upper surface of the inner driving sleeve 22, the inside of the inner driving sleeve 22 is provided with an annular cavity, the inner wall side of the annular cavity is communicated with the placement hole in the side of the bottom end medicine discharging pipe 14, the bottom side of the annular cavity is provided with a plurality of annularly arranged liquid discharging holes 27, the discharge port of the liquid discharging hole 27 faces the annular brush cotton ring 34 below to avoid that the medicine liquid is sprayed due to that the bottom part of the annular brush cotton ring 34 is not tightly connected with the tree surface; the inner top wall of the annular cavity is connected with a rotatable turntable 28 through a clamping groove, the bottom part of the turntable 28 is fixedly connected with a third reset spring 29, the bottom part of the third reset spring 29 is fixedly connected with a spray head 30, the spray head 30 penetrates through the side of one end of the inner driving sleeve 22 and is fixedly connected with an engaging disc 31, the engaging disc 31 can rotate around the bottom end medicine discharging pipe 14 while revolving to improve the medicine applying efficiency; the side of the engaging disc 31 is engagedly connected to the bottom side of the bottom end medicine discharging pipe 14, the number of the turntables 28 is a plurality and the turntables 28 are arranged in a ring array in the inside of the annular cavity, the discharge port outside of the spray head 30 is fixedly connected with a plurality of annularly arranged smearing strips 32, the outside of the bottom end of the outer sleeve 24 is connected with an annular connecting ring 33 through a sliding groove, the bottom part of the annular connecting ring 33 is clamped with an annular brush cotton ring 34, the outer sleeve 24 is inserted with a rotatable driving wheel 35 at the top end of the annular connecting ring 33, the two sides of the driving wheel 35 are engagedly connected to the inside of the annular connecting ring 33 and the outside of the inner driving sleeve 22, respectively, the reset assembly includes two annular rings 36, one end of the two annular rings 36 is connected to the inner surface of the inner driving sleeve 22 and the upper surface of the outer sleeve 24 through a sliding groove, respectively, a fourth reset spring 37 is fixed between the two annular rings 36.

[0031] As Figure 4As shown, the universal assembly includes a support spring 38. The upper and lower ends of the support spring 38 are fixed to the lower surface of the front drug delivery tube 12 and the outer surface of the outer sleeve 24, respectively. There are four support springs 38, which are evenly distributed in a ring array.

[0032] like Figure 4 As shown, the drive assembly includes a first limiting frame 39, a second limiting frame 40, and a third fixing frame 41. The bottoms of the first limiting frame 39, the second limiting frame 40, and the third fixing frame 41 are all fixed to the outer surface of the outer sleeve 24. A rotatable drive disc 42 is hinged to the inner wall of the first limiting frame 39. The side of the drive disc 42 is slidably engaged with the outer side of the top end of the inner drive sleeve 22. A movable rod 43 is hinged to the inner wall of the third fixing frame 41. A third fixed rod 43 is fixed to the lower surface of the movable rod 43. The bottom of the third spring 44 is fixed to the outer side of the outer sleeve 24. The bottom of the movable rod 43 is hinged to the second roller 45. The second roller 45, the second limit frame 40 and the drive disc 42 are connected by a transmission belt 46. The transmission belt 46 can transmit the rotational force of the second roller 45 to the drive disc 42, and then drive the internal drive sleeve 22 of the medicine application assembly through the drive disc 42, so that the medicine application assembly completes the medicine application work and the medicine delivery assembly completes the medicine delivery work.

[0033] Workflow: such as Figure 1 As shown, the user holds the push-pull rod 3 and the fixing bracket 6 with both hands. When gripping tightly, as... Figure 3 As shown, the front-end delivery tube 12 drives the delivery assembly and the application assembly forward. The second push-pull rod 4 retracts and pulls the movable arm 8 via the traction rope 7, thereby clamping the two first rollers 9 onto the tree surface. At this time, the worker can move the device up and down to perform the application action. During the application process, such as Figure 4 As shown, the second roller 45 rotates against the tree surface, thereby driving the drive disc 42 via the transmission belt 46. The drive disc 42 then drives the internal drive sleeve 22. During the driving process... Figure 8 As shown, the internal drive sleeve 22 moves smoothly on the inclined slide plate 25 via the semi-circular top plate 26, thereby driving the piston push rod 15 to move to supply medicine to the drainage hole 27 and the nozzle 30 of the medicine application assembly. During the rotation of the internal drive sleeve 22, the nozzle 30 completes its revolution around the bottom medicine discharge pipe 14 through the meshing disc 31, while also rotating on its own axis. Under the action of the third return spring 29, it can move downward to spray and apply medicine to the grooves. The annular brushing cotton ring 34 is as follows. Figure 4 As shown, the internal drive sleeve 22 drives the drive wheel 35 to rotate during rotation, which in turn drives the annular coating cotton ring 34 to rotate, applying the liquid discharged from the drainage hole 27 to the tree surface.

[0034] Obviously, the above embodiments are only examples for clearly illustrating the present application and are not intended to limit the present application. Based on the above description, one of ordinary skill in the art can make other different forms of changes or modifications. Here, it is not necessary or possible to enumerate all the embodiments. The obvious changes or modifications derived from the above should be covered in the protection scope of the present application.

Claims

1. A persimmon tree pesticide application device comprising a housing (1), characterized in that, The inner wall of one end of the shell (1) is fixed with a push-pull assembly, one end of the push-pull assembly is fixed with a support assembly, the support assembly has two groups, the two groups of support assemblies are symmetrically arranged with the push-pull assembly as the center, one end of the support assembly is fixed to the inner side wall of the shell (1), the other end of the push-pull assembly is provided with a medicine delivery assembly, the outer side of the medicine delivery assembly is provided with a medicine applying assembly, the side surface of the medicine applying assembly is provided with a driving assembly, the top of the medicine applying assembly is provided with a universal assembly, the top of the universal assembly is connected with the medicine delivery assembly, and the universal assembly is uniformly distributed in an annular array with the medicine delivery assembly as the shaft. The push-pull assembly comprises a support frame (2), both ends of the support frame (2) are connected with the shell (1), the support frame (2) is arranged in a cross shape as a whole, two through communication holes are formed in the inside of the support frame (2), and the middle sections of the two communication holes are connected, one inner wall of one of the communication holes is inserted with a push-pull rod (3), one end of the push-pull rod (3) is connected with the medicine delivery assembly, one inner wall of the other communication hole is inserted with a second push-pull rod (4), a return spring (5) is fixed between the second push-pull rod (4) and the bottom wall in the communication hole, one end of the second push-pull rod (4) penetrating through the communication hole is connected with the support assembly, and the side surface of the push-pull rod (3) is adjusted with a fixing frame (6), both ends of the fixing frame (6) are fixed on the surface of the shell (1). The support assembly comprises a traction rope (7), the traction rope (7) is connected with the second push-pull rod (4), one end of the traction rope (7) is fixed with a movable arm (8), both ends of the movable arm (8) are respectively hinged with a rotatable first roller (9) and a fixed seat (10), the two first rollers (9) are oppositely and obliquely arranged, one end of the fixed seat (10) is fixed on the inner wall of the shell (1), one end of the movable arm (8) close to the fixed seat (10) is fixed with a second return spring (11), and one end of the second return spring (11) is fixed on the inner side wall of the shell (1). The medicine delivery assembly comprises a front-end medicine delivery pipe (12), the side surface of the front-end medicine delivery pipe (12) is inserted with a medicine inlet pipe, one end of the front-end medicine delivery pipe (12) is fixedly connected on the surface of the push-pull rod (3), one end of the front-end medicine delivery pipe (12) penetrating through the communication hole of the support frame (2) is fixed with a middle-end flexible pipe (13), the bottom of the middle-end flexible pipe (13) is fixed with a bottom-end medicine discharge pipe (14), the middle part of the bottom-end medicine discharge pipe (14) is provided with a first one-way assembly, the bottom of the bottom-end medicine discharge pipe (14) is inserted with a slidable piston push-pull rod (15), the bottom side of the piston push-pull rod (15) is fixed with two symmetrically arranged connecting plates (16), one end of the connecting plate (16) is connected with the medicine applying assembly, the side surface of the bottom-end medicine discharge pipe (14) at one end of the piston push-pull rod (15) is provided with a second one-way assembly, and the second one-way assembly is connected with the medicine applying assembly. The medicine applying assembly comprises an inner driving sleeve (22), a middle part of the inner driving sleeve (22) is sleeved outside the bottom end medicine discharging tube (14), an inner side wall of a bottom part of the inner driving sleeve (22) is fixedly connected with the connecting plate (16), an outer side of the inner driving sleeve (22) is fixedly connected with a displacement sealing ring (23), an outer part of the inner driving sleeve (22) is connected with an outer sleeve (24) through the displacement sealing ring (23), a center of a top part of the inner driving sleeve (22) is connected with the outer sleeve (24) through a reset assembly, four inclined slide plates (25) in a ring array are fixedly connected with an inner top wall of the outer sleeve (24), a lower surface of the inclined slide plate (25) is tightly connected with a semicircular top plate (26), a bottom part of the semicircular top plate (26) is fixed on an upper surface of the inner driving sleeve (22), a ring cavity is formed in the inner driving sleeve (22), an inner wall side of the ring cavity is connected with a placing hole in a side of the bottom end medicine discharging tube (14), a bottom side of the ring cavity is connected with a plurality of ring array arranged liquid discharging holes (27), the inner top wall of the ring cavity is connected with a rotatable rotating disc (28) through a clamping groove, a bottom part of the rotating disc (28) is fixedly connected with a third reset spring (29), a bottom part of the third reset spring (29) is fixedly connected with a spray head (30), the spray head (30) penetrates through a side of one end of the inner driving sleeve (22) and is fixedly connected with an engaging disc (31), the side of the engaging disc (31) is engagedly connected to the bottom side of the bottom end medicine discharging tube (14), the number of the rotating discs (28) is a plurality of, and the rotating discs (28) are arranged in a ring array in the ring cavity, a plurality of ring array arranged smearing strips (32) are fixedly connected to an outer side of a spray opening of the spray head (30), an outer side of a bottom end of the outer sleeve (24) is connected with a ring connecting ring (33) through a sliding groove, a bottom part of the ring connecting ring (33) is clamped with a ring smearing cotton ring (34), a rotatable driving wheel (35) is inserted into a top end of the ring connecting ring (33), and two sides of the driving wheel (35) are engagedly connected to an inner side of the ring connecting ring (33) and an outer side of the inner driving sleeve (22); The universal assembly comprises supporting springs (38), upper and lower ends of the supporting springs (38) are fixedly connected to a lower surface of the front end medicine discharging tube (12) and an outer surface of the outer sleeve (24) respectively, the number of the supporting springs (38) is four, and the four supporting springs (38) are evenly distributed in a ring array. The driving assembly comprises a first limiting frame (39), a second limiting frame (40) and a third fixed frame (41), the bottom of the first limiting frame (39), the second limiting frame (40) and the third fixed frame (41) is fixed on the outer surface of the outer sleeve (24), the inner wall of the first limiting frame (39) is hinged with a rotatable driving disc (42), the side of the driving disc (42) is slidably connected on the outer side of the top pipe orifice of the inner driving sleeve (22), the inner wall of the third fixed frame (41) is hinged with a movable rod (43), the lower surface of the movable rod (43) is fixed with a third spring (44), the bottom of the third spring (44) is fixed on the outer side of the outer sleeve (24), the bottom of the movable rod (43) is hinged with a second roller (45), the side of the second roller (45), the second limiting frame (40) and the driving disc (42) is connected with a transmission belt (46).

2. The persimmon tree pesticide application device of claim 1, wherein The first one-way assembly comprises two annular plates (17), the outer side of the annular plate (17) is fixed on the inner wall of the bottom medicine discharging pipe (14), the lower surface of the annular plate (17) located at the top is abutted with a first sealing plate (18), the first sealing plate (18) and the annular plate (17) located at the bottom are fixed with a spring (19); the second one-way assembly comprises a placing hole which is opened on the side of the bottom medicine discharging pipe (14), the end of the placing hole which is close to the inner cavity of the bottom medicine discharging pipe (14) is abutted with a second sealing plate (20), one end of the second sealing plate (20) is connected with the inner wall of the placing hole through a second spring (21).

3. The persimmon tree pesticide application apparatus of claim 1, wherein The reset assembly comprises two annular rings (36), one end of the two annular rings (36) is connected on the inner surface of the inner driving sleeve (22) and the upper surface of the outer sleeve (24) through a sliding slot respectively, the fourth reset spring (37) is fixed between the two annular rings (36).

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