CN219288225U - High-pressure tree minimally invasive spray gun - Google Patents

Abstract

The utility model provides a high-pressure tree minimally invasive laxative gun which comprises a drilling assembly and a medicine source assembly, wherein the drilling assembly comprises an electric drill, a rotary joint and a drill bit, the rotary joint comprises a rotary joint shell and a rotary mandrel, the rotary joint shell is fixedly connected with the electric drill shell through a bracket, one end of the rotary mandrel is connected with a drill chuck of the electric drill, the other end of the rotary mandrel is connected with the drill bit, a liquid inlet is formed in the rotary mandrel shell, a liquid outlet is formed in the drill bit, liquid channels which are communicated with the liquid inlet and the liquid outlet are formed in the rotary mandrel and the drill bit, the medicine source assembly comprises a medicine pot, and liquid medicine in the medicine pot is communicated with the liquid inlet through a liquid medicine pressurizing mechanism. The utility model has the beneficial effects that by adopting the technical scheme, the drilling and medicine injection operations are both performed by adopting the electric tool, so that the time and the labor are saved, the medicine injection is performed under high pressure, the medicine injection time is greatly shortened, the operation is simple, the working efficiency is high, and the adaptability to different trees is good.

Description

High-pressure tree minimally invasive spray gun

technical field

The utility model relates to the technical field of garden equipment, in particular to a high-voltage tree minimally invasive spraying gun.

Background technique

Garden plants are often threatened by diseases and insect pests during the growth process, and chemical control is an effective measure to deal with this threat. The traditional chemical control method is to spray pesticides on the leaves or trunks of garden plants. Pesticide spraying can deal with most diseases and insect pests, but for borer and piercing-sucking pests, the effect of pesticide spraying is poor. At present, garden workers use the method of punching and injecting medicine in the trunk to administer medicine to the trees, which can effectively prevent and control borers and piercing-sucking pests. The principle of trunk punching injection is to inject systemic pesticides into the xylem of trees in a certain way, and transmit them to the trunk, stems and leaves through the xylem conduit, which has the advantages of saving liquid medicine, good control effect, and small environmental pollution. advantage.

In the operation steps of punching and injecting medicine in the trunk of the prior art, at first, it is necessary to use a drill bit to drill a medicine hole that goes deep into the xylem on the trunk, then take out the drill bit, and inject the medicine liquid from the medicine hole by means of an infusion set, and the medicine solution After the liquid has been injected, the workmen are required to reclaim the infusion bag and seal the medicine hole with vaseline or the like. In the above process, at least two people are required to cooperate to complete the operation of punching and infusion, and after the injection is completed, a separate manpower is required to close the medicine hole and collect the infusion bag. The whole process is time-consuming and laborious.

Utility model content

The purpose of the utility model is to provide a high-pressure tree minimally invasive spraying gun, which can inject liquid medicine into the tree trunk in a short time, has a high degree of automation, can be operated by a single person, is convenient to operate, and saves time and effort.

The technical scheme of the utility model is:

A high-pressure tree minimally invasive spray gun, including a drilling assembly and a drug source assembly, the drilling assembly includes an electric drill, a rotary joint and a drill bit, the rotary joint includes a rotary joint housing and a rotating mandrel, and the rotary joint housing passes through The bracket is fixedly connected with the shell of the hand electric drill, one end of the rotating mandrel is connected with the drill chuck of the electric drill, and the other end of the rotating mandrel is connected with the drill bit. A liquid outlet is provided, and a liquid passage connecting the liquid inlet and the liquid outlet is provided in the rotating mandrel and the drill bit. oral communication

Preferably, the electric drill is a hand electric drill.

Specifically, the rotary joint housing is cylindrical, and both ends of the rotating mandrel extend out of the rotating joint housing, and the drill chuck of the electric hand drill, the rotating mandrel and the drill bit are coaxially connected. The brackets are fixedly connected with the rotary joint housing and the electric drill housing respectively, and the rotary joint housing remains fixed and cannot be driven by the rotating mandrel, so that the position of the liquid inlet on the rotary joint housing is fixed for connecting the liquid medicine pipeline . An annular groove is provided on the peripheral surface of the rotating mandrel corresponding to the liquid inlet, and a liquid guiding channel along the axial direction is arranged inside the rotating mandrel. One end of the liquid guiding channel is connected with the annular groove, and the other end of the liquid guiding channel is open. At one end of the rotating mandrel, a drill bit is attached to the end. The end of the rotating mandrel away from the opening of the fluid guide channel is connected to the drill chuck of the electric drill, and the torque provided by the electric drill rotates the rotating mandrel, and then the torque of the electric drill is transmitted to the drill bit to rotate the drill bit. A fluid guide channel is arranged in the drill bit. The liquid channel is formed by sequentially communicating with the liquid inlet, the annular groove, the liquid guide channel of the rotating mandrel, the drill bit's liquid guide channel and the liquid outlet.

When the utility model is in use, the hand electric drill is first started, so that the liquid outlet on the drill bit is drilled into the tree trunk, and then the medicinal liquid in the medicinal pot is injected into the liquid inlet with a certain pressure through the medicinal liquid pressurization mechanism, and the medicinal liquid moves along the The liquid channel enters the tree trunk through the liquid outlet to complete the medicine injection operation.

Through the utility model, the process of drilling and injecting medicine is completed in one step, which optimizes the operation of one person drilling the hole and another person arranging the infusion bag in the prior art, and saves the process of collecting the infusion bag in the later stage, which is useful for outdoor operations with complicated working conditions Great convenience, effectively saving labor costs. In addition, the liquid medicine can be injected into the tree trunk at a higher pressure (5-10Mpa) through the liquid medicine pressurization mechanism, and the high-pressure medicine liquid can spread rapidly in the trunk, thereby greatly shortening the injection time (only takes 2 minutes left and right), improve work efficiency.

In the utility model, the basic function of the drill bit is to insert the liquid outlet into the xylem of the trunk, and the drill bit can adopt various forms. In an optional scheme of the utility model,

The drill bit sequentially includes a twist drill section, a self-tapping thread section and a tail section, the tail section of the drill bit is connected with the rotating mandrel, and the liquid outlet is arranged in the chip groove of the twist drill section. The drill bit structure of the twist drill has good drilling performance, and its chip groove can form a cavity in the trunk, which improves the contact area between the medicinal liquid and the trunk and is conducive to the diffusion of the medicinal liquid to the trunk. At the rear of the twist drill section, the utility model is also equipped with a self-tapping thread section, which is provided with a self-tapping thread. After the self-tapping thread section is screwed into the tree trunk, the cavity drilled by the twist drill section can be sealed. The plug is used to bear high liquid pressure so that the high-pressure liquid will not overflow along the drill bit. At the same time, the self-tapping thread section can fix the drilling assembly on the tree trunk as a whole, which can liberate the operator's hands for injection Wait for other operations.

In another optional solution of the utility model, the head of the drill bit is conical, the tail of the drill bit is connected with the rotating mandrel, and a self-tapping thread is provided on the outside of the drill bit. The structure of the drill bit is set as a self-tapping screw structure, and the liquid outlet is set at the front end of the drill bit.

In the utility model, the liquid medicine pressurizing mechanism can adopt various forms.

Optionally, the medicine pot and the liquid medicine pressurization mechanism adopt the medicine pot of the knapsack sprayer, and the pressurization method of the medicine pot of the knapsack sprayer can be manual booster or electric booster. The medicine pot of the knapsack sprayer is connected to the liquid inlet on the rotary joint housing through the pipeline, and the medicine pot of the knapsack sprayer always maintains a high pressure, and an on-off valve is set on the pipeline to control the injection of the medicine liquid.

Optionally, the liquid medicine pressurizing mechanism is a pump, and the pump draws the liquid medicine from the medicine pot, and the outlet of the pump is connected to the liquid inlet of the rotary joint through a pipeline, and a switch is provided on the pipeline or the pump.

Preferably, the liquid medicine pressurization mechanism includes an electric push rod and an injector, the injector includes a cylinder and a piston, the piston is arranged on the telescopic end of the electric push rod, and the cylinder is respectively provided with a drug suction nozzle The medicine injection nozzle and the medicine suction nozzle are connected to the medicine pot through a pipeline provided with a one-way valve, and the medicine injection nozzle is connected to the liquid inlet on the rotary joint housing through a pipeline provided with a one-way valve.

The position of the syringe and the electric push rod is relatively fixed through the base. The one-way valve on the pipeline between the drug suction nozzle and the medicine pot only allows the liquid medicine to flow from the medicine pot to the cylinder. The valve on the pipeline between the injection nozzle and the liquid inlet The one-way valve only allows the liquid medicine to flow from the injection nozzle to the liquid inlet.

The electric push rod shrinks, drives the piston, and the medicinal liquid is sucked into the cylinder from the medicine pot, and the electric push rod is extended to drive the piston, and the medicinal liquid is injected into the liquid inlet through the injection nozzle. By means of an electric push rod, a greater thrust can be provided to the piston, thereby providing a higher pressure liquid medicine. The electric push rod is powered by batteries, and the switch of the electric push rod is arranged on the bracket for controlling the retraction and extension of the electric push rod.

In the liquid medicine pressurization mechanism with the electric push rod and the syringe,

A magnetic switch is provided on the piston, an indicator light is provided on the housing or the support of the electric drill, and the magnetic switch is connected with the indicator light.

The matching problem of the stroke of the electric push rod and the stroke of the piston in the cylinder can be solved by the magnetic switch. The stroke of the electric push rod is greater than that of the piston, and the end of the stroke of the piston can be detected by a magnetic switch, thereby prompting the operator to control the electric push rod to stop extending.

Preferably, the indicator light includes an in-position indicator light and a delay indicator light, the magnetic switch is directly connected to the in-position indicator light, and the magnetic switch is also connected to the delay indicator light through a delay relay.

In the utility model, after the high-pressure medicinal liquid is injected into the tree trunk, it is necessary to keep the closed time of several minutes, so that the high-pressure medicinal liquid penetrates into the trunk, and the time-delay relay and the delay indicator light are used to prompt the time. After that, the drill can exit the trunk, a process that reduces the need for individual timing by the operator.

The magnetic switch can also be replaced by a proximity switch to achieve the purpose of detecting that the piston is in place.

In another optional solution of the present invention, the timer provided on the electric drill or the bracket can also be used to prompt the operator when to withdraw from the drill.

In another optional solution of the present utility model, a pressure sensor is provided on the pipeline between the cylinder body and the liquid inlet, and the pressure sensor is connected to an indicator light provided on the shell or bracket of the electric drill.

Specifically, the pressure sensor is arranged on the pipeline between the cylinder and the liquid inlet, the one-way valve and the pipeline between the liquid inlet, and the pressure sensor can monitor the pressure of the liquid medicine at the liquid outlet. The method of time estimation (delay relay and timer) can more accurately prompt the moment when the drill bit exits the tree trunk.

Preferably, the utility model also includes a back frame, and the medicine source assembly is arranged on the back frame, including an electric push rod, a syringe and a battery for powering the electric push rod. The drug source component is only connected to the drilling component through a flexible pipe, and the operator only needs to hold and operate the drilling component during use. The switch of the electric push rod is arranged on the bracket, and the switch is connected with the drug source component on the back frame through a soft control wire.

In the utility model, the connection between the drill bit and the rotating mandrel can be threaded, welded or detachable.

Preferably, the drill bit and the rotating mandrel are detachably connected through a chuck structure.

Specifically, the end of the rotating mandrel connected to the drill bit is a tapered part with a certain taper, and a grove is provided on the tapered part, and a thread is provided behind the grooving, and the tail section of the drill bit is inserted into the liquid guide channel of the rotating mandrel. Inside. The chuck structure also includes a lock nut, which is provided with an inner tapered surface for pressing the tapered part of the rotating mandrel. As the lock nut is tightened, the inner tapered surface compresses the tapered part of the rotating mandrel. On the tail section of the drill bit, so as to realize the detachable connection between the drill bit and the rotating mandrel.

The detachable connection between the drill bit and the rotating mandrel provides the possibility for the utility model to replace the drill bit, and the size of the drill bit is variable, so that the utility model can adapt to trees of different diameters.

The advantages and positive effects of the utility model are: due to the adoption of the above-mentioned technical scheme, electric tools are used for both drilling and injection operations, which saves time and effort, and high-pressure injection greatly shortens the injection time. The operation is simple and single-person It can be operated immediately, with high work efficiency and good adaptability to different trees.

Description of drawings

Fig. 1 is the structural schematic diagram of embodiment 1

Fig. 2 is the schematic diagram of the structural principle of rotary joint and drill bit in embodiment 1

Fig. 3 is the sectional schematic view of rotary joint and drill bit in embodiment 1

Fig. 4 is the structural schematic diagram of embodiment 2

Fig. 5 is the sectional schematic view of the drill bit of embodiment 2

In the picture:

1. Hand drill 2. Rotary joint 3. Drill bit

4. Bracket 5. Medicine pot 6. Electric push rod

7. Cylinder 8. Battery 9. Switch valve

21. Rotary joint housing 22. Rotary mandrel 31. Twist drill section

32. Self-tapping thread section 33. Tail section 34. Liquid outlet

41. Indicator light 61. Switch 71. Inhalation nozzle

72. Injection nozzle 73. One-way valve 211. Liquid inlet

221, lock nut 222, notch

Detailed ways

Example 1

As shown in Figure 1-3, the utility model:

A high-pressure tree minimally invasive spraying gun, including a drilling assembly and a medicine source assembly, the drilling assembly includes a hand drill 1, a rotary joint 2 and a drill bit 3, and the rotary joint includes a rotary joint housing 21 and a rotating mandrel 22 , the rotary joint housing 21 is cylindrical, and both ends of the rotary mandrel 22 extend out of the rotary joint housing 21 . One end of the rotating mandrel 22 is connected with the drill chuck of the electric drill 1, and the other end of the rotating mandrel 22 is connected with the drill bit 3, and then the torque of the electric hand drill is transmitted to the drill bit 3 to rotate the drill bit 3. The electric drill and the rotary joint are connected through a bracket 4, and the bracket 4 is fixedly connected with the rotary joint housing 21 and the electric hand drill housing respectively, so that the position of the liquid inlet 211 on the rotary joint housing 21 is fixed for connecting pipelines . The rotating mandrel housing 21 is provided with a liquid inlet 211 , the drill bit 3 is provided with a liquid outlet 34 , and the rotating mandrel and the drill bit are provided with a liquid passage connecting the liquid inlet 211 and the liquid outlet 34 .

As shown in Figure 2 and Figure 3,

An annular groove is provided on the peripheral surface of the rotating mandrel 22 corresponding to the liquid inlet 211, and a liquid guiding channel along the axial direction is arranged in the rotating mandrel. One end of the liquid guiding channel communicates with the annular groove, and the other end of the liquid guiding channel One end is open at one end of the rotating mandrel to which the drill bit 3 is attached. The drill bit 3 is provided with a liquid guiding channel. The liquid channel is formed by sequentially communicating with the liquid inlet 211, the annular groove, the liquid guiding channel of the rotating mandrel, the liquid guiding channel of the drill bit, and the liquid outlet 34.

The drill bit 3 sequentially includes a twist drill section 31 , a self-tapping thread section 32 and a tail section 33 , and the self-tapping thread section 32 is provided with self-tapping threads. The tail section 33 of the drill bit 3 is connected to the rotating mandrel 22, and the liquid outlet 34 is set in the chip groove of the twist drill section 31

The medicine source assembly includes a medicine pot 5 and a medicine liquid pressurization mechanism, and the medicine liquid in the medicine pot 5 enters the liquid inlet 211 through the medicine liquid pressurization mechanism.

Specifically, the liquid medicine pressurization mechanism includes an electric push rod 6 and a syringe. The syringe includes a cylinder 7 and a piston. The piston is connected to the telescopic end of the electric push rod. The drug suction nozzle 71 and the drug injection nozzle 72, the drug suction nozzle 71 is connected to the medicine pot through the pipeline provided with the one-way valve 73, and the drug injection nozzle 72 is connected to the rotary joint housing through the pipeline provided with the one-way valve 73 The upper liquid inlet 211 is connected.

The position of the syringe and the electric push rod 6 is relatively fixed through the base. The one-way valve on the pipeline between the drug suction nozzle 71 and the medicine pot 5 only allows the liquid medicine to flow from the medicine pot to the cylinder. The injection nozzle 72 and the liquid inlet 211 The one-way valve on the pipeline between only allows the liquid medicine to flow from the injection nozzle to the liquid inlet.

The electric push rod shrinks, drives the piston, and the medicinal liquid is sucked into the cylinder body from the medicine pot, and the electric push rod stretches out, drives the piston, and injects the medicinal liquid into the liquid inlet. Through the electric push rod, a greater thrust is provided to the piston, thereby providing high-pressure liquid medicine. The electric push rod is powered by the battery 8, and the switch 61 of the electric push rod is arranged on the support 4 for controlling the contraction and extension of the electric push rod.

The one-way flow of the medicinal liquid from the medicinal pot to the tree trunk can be realized through the above-mentioned liquid medicine pressurizing mechanism. The arrangement of the electric push rod increases the pressure of the medicinal liquid and liberates the labor force of the operator.

The piston is provided with a magnetic switch, and the support is provided with an indicator light 41, and the magnetic switch is connected with the indicator light.

The matching problem of the stroke of the electric push rod and the stroke of the piston in the cylinder can be solved by the magnetic switch. The stroke of the electric push rod is greater than that of the piston, and the end of the stroke of the piston can be detected by a magnetic switch, thereby prompting the operator to control the electric push rod to stop extending.

The indicator light includes an in-position indicator light and a delay indicator light, the magnetic switch is directly connected with the in-position indicator light, and the magnetic switch is also connected with the time-delay indicator light through a delay relay.

In the utility model, after the high-pressure medicinal liquid is injected into the trunk, it needs to keep the closing time for several minutes. The delay relay and the delay indicator light are used to prompt the time. When the delay indicator light is on, the drill bit can withdraw from the trunk. The process reduces the number of operations timed individually by the operator.

Preferably, the utility model further includes a back frame, and the medicine source assembly is arranged on the back frame. The drug source component is only connected to the drilling component through a flexible pipe, and the operator only needs to hold and operate the drilling component during use. The switch 61 of the electric push rod is arranged on the bracket 4, and the switch 61 is connected with the medicine source assembly on the back frame through a soft control wire.

Specifically, the tail section 33 of the drill bit is detachably connected to the rotating mandrel through a chuck structure.

Concretely, the end that the rotating mandrel is connected with the drill bit is a tapered portion with a certain taper, the tapered portion is provided with a slot 222, the rear of the slot is provided with a thread, and the tail section 33 of the drill bit is inserted into the guide of the rotating mandrel. in the liquid channel. The chuck structure also includes a lock nut 221, which is provided with an inner cone surface for pressing the tapered portion of the rotating mandrel. As the lock nut is tightened, the inner cone surface presses the tapered portion of the rotating mandrel. Tight on the tail section 33 of the drill bit, so as to realize the detachable connection between the drill bit 3 and the rotating mandrel 22 .

The detachable connection between the drill bit 3 and the rotating mandrel 22 provides the possibility for the utility model to replace the drill bit 3, and the size of the drill bit is variable, so that the utility model can adapt to trees of different diameters.

The working process of this example:

When the utility model is in use, the electric hand drill 1 is first started to drill the drill bit into the tree trunk. During this process, the twist drill section 31 is first drilled into the trunk, and when the twist drill section is completely drilled into the trunk, a cavity is formed in the trunk, and the self-tapping thread section 32 is then screwed in. After the self-tapping thread section is screwed into the trunk, one is to temporarily block the cavity in the trunk, and the other is to fix the drilling assembly on the trunk as a whole, which can free the hands of the operator for other operations.

Through the switch 61 arranged on the support 4, start the electric push rod 6, so that the electric push rod 6 drives the piston to pull back, suck the medicinal liquid in the medicine pot 5 into the cylinder body 7, and then press the switch 61 to make the electric push rod 6 stretches out, and the electric push rod pushes the piston to inject the liquid medicine in the cylinder into the liquid inlet 211 with a relatively high pressure. The liquid medicine passes through the liquid channel and the liquid outlet 34 to arrive in the chip flute of the twist drill section in turn, and then fills the cavity drilled by the drill bit in the trunk. When the piston moves to the end of the cylinder body, the magnetic switch gives an electric signal to make the indicator light on the bracket light up, the operator closes the switch 61, and the electric push rod 6 stops moving. The time-delay relay sets the time-delay time, and after reaching this time, the time-delay indicator lamp on the support lights up, and the operator can withdraw from drill bit 3.

After the drill bit is withdrawn, the cavity is sealed with materials such as petroleum jelly.

Example 2

As shown in Figure 4 and Figure 5,

The difference between this embodiment and embodiment 1 lies in the structure of the drill bit and the drug source assembly,

The head of the drill bit in this embodiment is tapered, the tail of the drill bit is connected with the rotating mandrel through the chuck structure, and the drill bit is provided with self-tapping threads outside. The structure of the drill bit is set as a self-tapping screw structure, and the liquid outlet 34 is set at the front end of the drill bit.

The medicine pot and the liquid medicine pressurization mechanism adopt the medicine pot of the electric knapsack sprayer. The medicine pot 5 of the knapsack sprayer is connected to the liquid inlet 211 on the rotary joint housing through a pipeline, and the medicine pot of the knapsack sprayer always maintains a high pressure, and an on-off valve 9 is set on the pipeline to control the flow of the medicine liquid. injection.

The working process of this embodiment:

When working, the medicine pot of the electric knapsack sprayer always maintains a high pressure. After the drill bit is drilled into the tree trunk with a hand electric drill, the hand drill is fixed on the tree trunk under the action of the self-tapping thread, and the operator can free up his hands . Open the on-off valve 9, the liquid medicine is injected into the liquid inlet 211 of the rotary joint, injects into the tree trunk along the liquid channel, waits for the injection time set, then closes the on-off valve, and withdraws from the drill bit.

An embodiment of the present utility model has been described in detail above, but the content described is only a preferred embodiment of the present utility model, and cannot be considered as limiting the implementation scope of the present utility model. All equal changes and improvements made according to the application scope of the utility model should still belong to the scope covered by the patent of the utility model.

Claims (10)

1. The utility model provides a high pressure trees wicresoft laxative rifle, includes drilling subassembly and medicine source subassembly, its characterized in that: the drilling assembly comprises an electric drill, a rotary joint and a drill bit, wherein the rotary joint comprises a rotary joint shell and a rotary mandrel, the rotary joint shell is fixedly connected with the electric drill shell through a support, one end of the rotary mandrel is connected with a drill chuck of the electric drill, the other end of the rotary mandrel is connected with the drill bit, a liquid inlet is formed in the rotary mandrel shell, a liquid outlet is formed in the drill bit, a liquid channel which is communicated with the liquid inlet and the liquid outlet is formed in the rotary mandrel and the drill bit, the medicine source assembly comprises a medicine kettle, and medicine liquid in the medicine kettle is communicated with the liquid inlet through a medicine liquid pressurizing mechanism.

2. The high pressure tree minimally invasive laxative gun of claim 1, wherein: the drill bit sequentially comprises a twist drill section, a self-tapping thread section and a tail section, the tail section of the drill bit is connected with the rotary mandrel, and the liquid outlet is arranged in a chip pocket of the twist drill section.

3. The high pressure tree minimally invasive laxative gun of claim 1, wherein: the head of the drill bit is conical, and self-tapping threads are arranged outside the drill bit.

4. A high pressure tree minimally invasive laxative gun according to any of claims 1-3, characterized in that: the liquid medicine pressurizing mechanism comprises an electric push rod and a syringe, the syringe comprises a cylinder body and a piston, the piston is arranged at the telescopic end of the electric push rod, a medicine suction nozzle and a medicine injection nozzle are respectively arranged on the cylinder body, the medicine suction nozzle is connected with a medicine kettle through a pipeline provided with a one-way valve, and the medicine injection nozzle is connected with a liquid inlet on the rotary joint shell through a pipeline provided with the one-way valve.

5. The high pressure tree minimally invasive laxative gun of claim 4, wherein: the electric drill is characterized in that a magnetic switch is arranged on the injector, an indicator lamp is arranged on a shell or a bracket of the electric drill, and the magnetic switch is connected with the indicator lamp.

6. The high pressure tree minimally invasive laxative gun of claim 5, wherein: the indicator lamp comprises an in-place indicator lamp and a delay indicator lamp, the magnetic switch is directly connected with the in-place indicator lamp, and the magnetic switch is further connected with the delay indicator lamp through a delay relay.

7. The high pressure tree minimally invasive laxative gun of claim 4, wherein: a timer is arranged on the electric drill or the bracket.

8. The high pressure tree minimally invasive laxative gun of claim 4, wherein: the pipeline between the cylinder body and the liquid inlet is provided with a pressure sensor, and the pressure sensor is connected with an indicator lamp arranged on a shell or a bracket of the electric drill.

9. A high pressure tree minimally invasive laxative gun according to any of claims 1-3, characterized in that: the drill bit and the rotary mandrel are detachably connected through a chuck structure.

10. A high pressure tree minimally invasive laxative gun according to any of claims 1-3, characterized in that: the medicine source assembly is arranged on the back frame.

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