Anti-blocking tree root injection device

Abstract

The utility model provides an anti-blocking type tree root injection device which comprises a motor, a drill rod, a drill bit and a shell, the driving end of the motor is connected with the shell, a through hole penetrating up and down is formed in the shell, the drill rod is movably arranged in the through hole, the cross section of the drill rod and the cross section of the through hole are the same in shape and are not circular, and the shell can drive the drill rod to rotate; a gap is formed between the drill rod and the inner wall of the shell; the drill bit is arranged below the shell and fixedly connected with the lower end of the drill rod, and the outer diameter of the drill bit is larger than the diameter of the through hole. The device is further provided with an injection flow guide structure, so that the injection input process is smoother. According to the utility model, soil and other impurities can be prevented from entering the shell to block an injection input channel, the structure is reasonable, the operation is convenient, the blocking probability of the device is greatly reduced, the maintenance cost is reduced, and the working efficiency is improved.

Description

A type of anti-clogging tree root injection device Technical Field

[0001] This utility model belongs to the field of agricultural and horticultural technology, and relates to a non-blocking tree root injection device. Background Technology

[0002] Tree root injection is a maintenance technique that involves directly injecting liquid agents (such as fertilizers, pesticides, fungicides, or growth regulators) into the roots or root zone soil of trees. It enables trees to efficiently absorb the active ingredients through targeted delivery and is a commonly used procedure in tree maintenance and management.

[0003] For example, traditional spraying is ineffective against deep tissues caused by borers (such as longhorn beetles), vascular diseases (such as wilt), or root diseases (such as root rot), while root injection can directly reach the lesions. When soil pH is abnormal, root systems are damaged, or competition is intense (such as in urban street trees), root injection can bypass soil barriers and directly provide trace elements such as iron and magnesium, alleviating nutrient deficiencies such as chlorosis. In situations such as drought, transplant shock, or soil pollution, injecting growth hormones or stress-resistance agents can rapidly activate the physiological activity of trees. In densely populated areas (such as parks), injection replaces spraying, reducing pesticide drift and minimizing impacts on the environment and non-target organisms.

[0004] However, existing devices for tree root injection often suffer from blockage of the drug delivery pathway due to soil intrusion during operation, affecting the efficiency and effectiveness of the injection solution, and are also prone to damage to the device, resulting in high maintenance costs. Therefore, this invention provides a blockage-resistant tree root injection device to solve the above problems. Summary of the Invention

[0005] In order to overcome the problems of existing technology, this utility model provides a clog-proof tree root injection device, which can effectively prevent soil from entering the tube and avoid blockage.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] This utility model provides an anti-clogging tree root injection device, including a motor, a drill rod, a drill bit, and a housing; the drive end of the motor is connected to the housing, and a through hole is provided in the housing; the drill rod is movably disposed in the through hole, and the cross-sectional shape of the drill rod is the same as the cross-sectional shape of the through hole, neither of which is circular; a gap is provided between the drill rod and the inner wall of the housing; the drill bit is disposed below the housing and is fixedly connected to the lower end of the drill rod, and the outer diameter of the drill bit is larger than the diameter of the through hole.

[0008] Furthermore, the top of the housing is provided with a first mounting shell and a second mounting shell; the inner diameter of the first mounting shell is the same as the outer diameter of the housing, and the lower inner edge of the first mounting shell is fixed to the upper outer edge of the housing; the inner diameter of the second mounting shell is the same as the outer diameter of the first mounting shell, and the lower inner edge of the second mounting shell is fixed to the upper outer edge of the first mounting shell; the drive end of the motor is fixedly connected to the second mounting shell.

[0009] Furthermore, the second mounting housing is connected to the motor via a connector; the connector includes a mounting platform, a first connecting rod, and a second connecting rod; the first connecting rod and the second connecting rod are coaxially arranged; one end of the first connecting rod is fixedly connected to the drive end of the motor, and the other end is fixedly connected to the upper surface of the mounting platform; one end of the second connecting rod is fixedly connected to the second mounting housing, and the other end is fixedly connected to the lower surface of the mounting platform.

[0010] Furthermore, the first connecting rod is provided with an external thread, and the drive end of the motor is provided with an internal thread. The first connecting rod and the drive end of the motor are fixedly connected by the thread. The second connecting rod is provided with an external thread, and the second mounting shell is provided with an internal thread. The second connecting rod and the second mounting shell are threadedly connected.

[0011] Furthermore, a support platform is fixedly provided at the top of the drill rod, and the outer diameter of the support platform is smaller than the inner diameter of the first mounting shell; a stop block is fixedly provided at the top upper edge of the shell, and the stop block can prevent the support platform from contacting the shell.

[0012] Furthermore, an injection liquid conduction cover is also provided; the injection liquid conduction cover is a hollow cylindrical structure with a through hole on the bottom surface, the diameter of which is larger than the outer diameter of the first mounting shell and smaller than the outer diameter of the second mounting shell; the injection liquid conduction cover is slidably connected to the motor housing along the axial direction, and the injection liquid conduction cover can move up and down relative to the first mounting shell / second mounting shell; a drug inlet hole is provided at the bottom of the side wall of the second mounting shell.

[0013] Furthermore, a sealing rubber gasket is provided on the bottom surface inside the injection liquid conduction cover, and a drug delivery tube is installed on the side wall of the injection liquid conduction cover.

[0014] Furthermore, the top of the injection fluid conduction cover is fixedly connected to the movable cover; the movable cover is installed outside the motor housing, and the inner wall of the movable cover is provided with no less than two sliders. Correspondingly, the motor housing is provided with a slide platform with the same number of sliders, and a slide groove is provided on the slide platform. The slide groove is a straight slide groove or an inverted L-shaped slide groove; the slider is slidably connected to the slide groove.

[0015] Furthermore, the drill rod is distributed along the axial direction of the housing and includes a cylinder and two power connection components. The cross-section of the drill rod is a centrally symmetrical figure.

[0016] Furthermore, the drill bit has a conical structure.

[0017] The beneficial effects of this utility model are:

[0018] (1) This utility model is provided with a drill rod, a housing and a drill bit. The housing is not connected to the drill rod, and the housing can drive the drill rod and the drill bit to rotate. This design can ensure that there is a gap between the housing and the drill rod to facilitate the flow of injection fluid.

[0019] (2) In this utility model, during the rotation of each structure, the drill bit and the shell are always in close contact without gaps, which can prevent soil and other debris from entering the shell and causing blockage of the injection fluid input passage. When it is necessary to introduce the injection fluid, simply lift the shell to create a gap between the drill bit and the lower edge of the shell, and the injection fluid can flow out from the shell through the gap, making the injection fluid input process smoother.

[0020] (3) By setting up an injection liquid conduction cover and a movable cover, when each structure stops rotating, the injection liquid conduction cover moves upward to form a liquid storage container, allowing the injection liquid to enter the housing through the drug inlet hole, flow to the bottom of the housing through the gap between the drill rod and the housing, and finally flow out from the gap between the drill bit and the lower edge of the housing to reach the target injection area.

[0021] (4) The present invention has a reasonable structure and is easy to operate, which greatly reduces the probability of blockage of the device, reduces maintenance costs, and improves work efficiency. Figure description:

[0022] Figure 1 is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 is a schematic diagram of the motor of this utility model;

[0024] Figure 3 is a schematic diagram of the connector of this utility model;

[0025] Figure 4 is a schematic diagram of the connection between the two mounting shells and the housing of this utility model;

[0026] Figure 5 is a schematic diagram showing the distribution of the shell and drill rod of this utility model;

[0027] Figure 6 is a schematic diagram of the stop block of this utility model;

[0028] Figure 7 is a schematic diagram of the drill pipe of this utility model;

[0029] Figure 8 is a schematic diagram of the movable cover and the injection liquid conductive cover of this utility model;

[0030] Figure 9 is an internal view of the movable cover and the injection liquid conductive cover of this utility model.

[0031] Figure 10 is a diagram showing the distribution of the drug inlet holes in this utility model.

[0032] Figure 11 is a schematic diagram of the present invention after the movable cover and the injection liquid conductive cover are installed;

[0033] Figure 12 is a schematic diagram of the slide table and slide groove of this utility model;

[0034] The labels in the attached diagram are:

[0035] 1. Motor; 2. Drill rod; 2-1. Cylinder; 2-2. Power connector; 3. Housing; 4. Through hole; 5. Drill bit; 6. First mounting shell; 7. Second mounting shell; 8. Mounting platform; 9. First connecting rod; 10. Second connecting rod; 11. Support platform; 12. Stop block; 13. Injection solution guide cover; 14. Drug inlet; 15. Sealing rubber gasket; 16. Drug delivery tube; 17. Movable cover; 18. Slider; 19. Slide table; 20. Slide groove. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0037] Example 1

[0038] As shown in Figures 1 and 2, this utility model embodiment provides an anti-clogging tree root injection device, including a motor 1, a drill rod 2, a drill bit 5, and a housing 3.

[0039] As shown in Figures 1 and 5, the drive end of the motor 1 is fixedly connected to the housing 3. The housing 3 has a through hole 4 running vertically through it. The drill rod 2 is movably disposed in the through hole 4. There is a gap between the drill rod 2 and the inner wall of the housing 3.

[0040] The cross-sectional shape of drill rod 2 is the same as that of through hole 4, both being non-circular. The cross-sectional dimensions of drill rod 2 are smaller than those of through hole 4. More specifically, drill rod 2 is distributed along the axial direction of housing 3, including a cylinder 2-1 and two power connectors 2-2. The cross-section of drill rod 2 is centrally symmetrical. When motor 1 drives housing 3 to rotate, housing 3 can drive drill rod 2 to rotate synchronously. In other embodiments of this invention, the cross-sectional shapes of drill rod 2 and through hole 4 can also be set to other non-circular structures, such as elliptical or triangular, all of which can achieve synchronous rotation of drill rod 2 by housing 3.

[0041] As shown in Figures 1 and 7, the drill bit 5 is located below the housing 3 and is fixedly connected to the lower end of the drill rod 2. The drill bit 5 has a conical structure with the tip pointing downwards, and the outer diameter of the drill bit 5 is larger than the diameter of the through hole 4.

[0042] As shown in Figure 4, the top of the housing 3 is provided with a first mounting shell 6 and a second mounting shell 7. The inner diameter of the first mounting shell 6 is the same as the outer diameter of the housing 3, and the lower inner edge of the first mounting shell 6 is fixedly integrated with the upper outer edge of the housing 3. The inner diameter of the second mounting shell 7 is the same as the outer diameter of the first mounting shell 6, and the lower inner edge of the second mounting shell 7 is fixedly integrated with the upper outer edge of the first mounting shell 6. The drive end of the motor 1 is fixedly connected to the second mounting shell 7. Since the housing 3, the first mounting shell 6, and the second mounting shell 7 are a single integrated mechanism, when the motor 1 drives the second mounting shell 7 to rotate, the first mounting shell 6 and the housing 3 also rotate accordingly.

[0043] As shown in Figure 3, the second mounting shell 7 is connected to the motor 1 via a connector. The connector includes a mounting platform 8, a first connecting rod 9, and a second connecting rod 10, which are coaxially arranged. One end of the first connecting rod 9 is fixedly connected to the drive end of the motor 1, and the other end is fixedly connected to the upper surface of the mounting platform 8. One end of the second connecting rod 10 is fixedly connected to the second mounting shell 7, and the other end is fixedly connected to the lower surface of the mounting platform 8. When the motor 1 runs, the first connecting rod 9, the mounting platform 8, the second connecting rod 10, and the second mounting shell 7 rotate synchronously. As a further preferred embodiment, the first connecting rod 9 is provided with an external thread, and the drive end of the motor 1 is provided with an internal thread; the first connecting rod 9 and the drive end of the motor 1 are fixedly connected by threads. The second connecting rod 10 is provided with an external thread, and the second mounting shell 7 is provided with an internal thread; the second connecting rod 10 and the second mounting shell 7 are threadedly connected. In other embodiments of this utility model, other fixing methods can also be selected, and those skilled in the art can set them as needed.

[0044] As shown in Figures 6 and 7, a support platform 11 is fixedly installed on the top of the drill rod 2. The support platform 11 is distributed inside the first mounting shell 6, and the outer diameter of the support platform 11 is smaller than the inner diameter of the first mounting shell 6. A stop block 12 is fixedly installed on the upper edge of the top of the shell 3, and the stop block 12 can prevent the support platform 11 from contacting the shell 3. When the upper edge of the support platform 11 contacts the stop block 12, there is a gap between the support platform 11 and the inner wall of the first mounting shell 6, and there is a gap between the support platform 11 and the upper edge of the top of the shell 3, which will not block the passage of injection fluid.

[0045] In this embodiment, regarding the injection solution input channel, an inlet pipe can be provided on the side wall of the housing 3, the first mounting housing 6, or the second mounting housing 7 for inputting the injection solution. In other embodiments of this invention, other injection solution guiding structures may also be used.

[0046] Application method of this device:

[0047] When applying the solution, align the drill bit 5 with the target area and start the motor 1. The motor 1 drives the second mounting shell 7 and the first mounting shell 6 to rotate through the connector, which in turn drives the shell 3 to rotate. The shell 3 drives the drill rod 2 to rotate synchronously. The drill bit 5 moves downward while rotating. At this time, the upper surface of the drill bit 5 is in close contact with the lower edge of the shell 3. Therefore, during the operation, soil and other debris will not enter the interior of the shell 3, thus avoiding blockage of the injection fluid input passage.

[0048] Once the drill bit 5 has reached the appropriate depth, turn off the motor 1, and the drill bit 5 will stop rotating. Then, lift the housing 3 upwards to create a gap between the drill bit 5 and the lower edge of the housing 3.

[0049] The injection solution is introduced through the inlet pipe provided on the side wall of the first mounting shell 6. The injection solution enters the shell 3 through the gap between the support platform 11 and the first mounting shell 6 and the shell 3. Then it flows to the bottom of the shell 3 through the gap between the drill rod 2 and the shell 3, and finally flows out from the gap between the drill bit 5 and the lower edge of the shell 3, reaching the target injection area.

[0050] Example 2

[0051] The main structure of this embodiment is the same as that of embodiment 1, except that this embodiment provides a new injection fluid diversion structure.

[0052] Specifically, as shown in Figures 8-12, the injection fluid guiding structure in this device includes an injection fluid guiding cover 13 and a movable cover 17.

[0053] The movable cover 17 is installed outside the housing of the motor 1. Two sliders 18 are provided on the inner wall of the movable cover 17. Correspondingly, the housing of the motor 1 has a number of sliding platforms 19 matching the number of sliders 18. Each sliding platform 19 has a groove 20, which can be a straight groove or an inverted L-shaped groove. The sliders 18 are slidably connected to the grooves 20. The movable cover 17 and the motor 1 are slidably connected vertically via the sliders 18 and the grooves 20.

[0054] The injection fluid conduction cover 13 is fixedly connected to the bottom of the movable cover 17. The injection fluid conduction cover 13 is a hollow cylindrical structure with a through hole on its bottom surface (the diameter of the through hole is smaller than the diameter of the bottom surface of the injection fluid conduction cover 13). The diameter of the through hole is larger than the outer diameter of the first mounting shell 6 and smaller than the outer diameter of the second mounting shell 7. The outer diameter of the second mounting shell 7 is smaller than the outer diameter of the first mounting shell 6. The injection fluid conduction cover 13 can move up and down relative to the first mounting shell 6 / second mounting shell 7 under the action of the movable cover 17. A sealing rubber gasket 15 is provided on the bottom surface of the injection fluid conduction cover 13, and a drug delivery tube 16 is installed on the side wall of the injection fluid conduction cover 13. A drug inlet hole 14 is provided at the bottom of the side wall of the second mounting shell 7.

[0055] The operating principle of this device is as follows:

[0056] During the downward rotation of the housing 3 and drill pipe 2, the injection fluid conduction cover 13 and the movable cover 17 do not contact the rotating structure, and the injection fluid conduction cover 13 and the movable cover 17 will not rotate accordingly.

[0057] Once the drill bit 5 has reached the appropriate depth and all structures have stopped rotating, manually operate the movable cover 17 to move upward along the slide groove 20, thereby driving the injection liquid conduction cover 13 to move upward until the sealing rubber gasket 15 on the bottom surface of the injection liquid conduction cover 13 is sealed and fitted with the bottom lower surface of the second mounting shell 7. Then, keep the injection liquid conduction cover 13 fixed (move the movable cover 17 along the horizontal section of the L-shaped slide groove to lock it), so that the injection liquid conduction cover 13 forms a liquid storage container.

[0058] Finally, the injection solution is introduced through the drug delivery tube 16 on the side wall of the injection solution guide cover 13. After the injection solution enters the injection solution guide cover 13, it enters the first mounting shell 6 and the shell 3 through the drug inlet hole 14 on the side wall of the second mounting shell 7. Then it flows to the bottom of the shell 3 through the gap between the drill rod 2 and the shell 3, and finally flows out from the gap between the drill bit 5 and the lower edge of the shell 3, reaching the target injection area.

[0059] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should be considered within its protection scope.

Claims

1. A tree root injection device for preventing blockage, characterized in that, The device includes a motor (1), a drill rod (2), a drill bit (5), and a housing (3). The drive end of the motor (1) is connected to the housing (3). A through hole (4) is provided inside the housing (3). The drill rod (2) is movably disposed in the through hole (4). The cross-sectional shape of the drill rod (2) is the same as that of the through hole (4), and neither is circular. A gap is provided between the drill rod (2) and the inner wall of the housing (3). The drill bit (5) is disposed below the housing (3) and is fixedly connected to the lower end of the drill rod (2). The outer diameter of the drill bit (5) is larger than the diameter of the through hole (4).

2. The anti-clogging tree root injection device according to claim 1, characterized in that, The top of the housing (3) is provided with a first mounting shell (6) and a second mounting shell (7); the inner diameter of the first mounting shell (6) is the same as the outer diameter of the housing (3), and the lower inner edge of the first mounting shell (6) is fixed to the upper outer edge of the housing (3); the inner diameter of the second mounting shell (7) is the same as the outer diameter of the first mounting shell (6), and the lower inner edge of the second mounting shell (7) is fixed to the upper outer edge of the first mounting shell (6); the drive end of the motor (1) is fixedly connected to the second mounting shell (7).

3. The anti-clogging tree root injection device according to claim 2, characterized in that, The second mounting shell (7) is connected to the motor (1) via a connector; the connector includes a mounting platform (8), a first connecting rod (9), and a second connecting rod (10); the first connecting rod (9) and the second connecting rod (10) are coaxially arranged; one end of the first connecting rod (9) is fixedly connected to the drive end of the motor (1), and the other end is fixedly connected to the upper surface of the mounting platform (8); one end of the second connecting rod (10) is fixedly connected to the second mounting shell (7), and the other end is fixedly connected to the lower surface of the mounting platform (8).

4. The anti-clogging tree root injection device according to claim 3, characterized in that, The first connecting rod (9) is provided with an external thread, and the driving end of the motor (1) is provided with an internal thread. The first connecting rod (9) and the driving end of the motor (1) are fixedly connected by the thread. The second connecting rod (10) is provided with an external thread, and the second mounting shell (7) is provided with an internal thread. The second connecting rod (10) and the second mounting shell (7) are threadedly connected.

5. The anti-clogging tree root injection device according to claim 2, characterized in that, The drill rod (2) is fixedly provided with a support platform (11) at the top. The outer diameter of the support platform (11) is smaller than the inner diameter of the first mounting shell (6). The upper edge of the top of the shell (3) is fixedly provided with a stop block (12). The stop block (12) can prevent the support platform (11) from contacting the shell (3).

6. The anti-clogging tree root injection device according to claim 2, characterized in that, An injection liquid conduction cover (13) is also provided; the injection liquid conduction cover (13) is a hollow cylindrical structure with a through hole on the bottom surface. The diameter of the through hole is larger than the outer diameter of the first mounting shell (6) and smaller than the outer diameter of the second mounting shell (7); the injection liquid conduction cover (13) is slidably connected to the outer shell of the motor (1) along the axial direction, and the injection liquid conduction cover (13) can move up and down relative to the first mounting shell (6) / second mounting shell (7); a drug inlet hole (14) is provided at the bottom of the side wall of the second mounting shell (7).

7. The anti-clogging tree root injection device according to claim 6, characterized in that, The bottom surface of the injection fluid conduction cover (13) is provided with a sealing rubber pad (15), and a drug delivery tube (16) is installed on the side wall of the injection fluid conduction cover (13).

8. The anti-clogging tree root injection device according to claim 6, characterized in that, The top of the injection liquid conduction cover (13) is fixedly connected to the movable cover (17); the movable cover (17) covers the outside of the motor (1) housing, and the inner wall of the movable cover (17) is provided with no less than two sliders (18). Correspondingly, the motor (1) housing is provided with a slide table (19) with the same number of sliders (18). The slide table (19) is provided with a slide groove (20), which is a straight slide groove or an inverted L-shaped slide groove; the sliders (18) are slidably connected to the slide groove (20).

9. The anti-clogging tree root injection device according to claim 1, characterized in that, The drill rod (2) is distributed along the axial direction of the housing (3) and includes a cylinder (2-1) and two power connectors (2-2). The cross-section of the drill rod (2) is a centrally symmetrical figure.

10. The anti-clogging tree root injection device according to claim 1, characterized in that, The drill bit (5) has a conical structure.

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