Pruning device for avocado planting

Abstract

The utility model belongs to the field of pruning devices, and particularly relates to an avocado planting pruning device which comprises a pipe fitting, a threaded sleeve is installed at the upper end of the pipe fitting through a bearing, a threaded pipe is connected in the threaded sleeve through threads, a frame is fixedly connected to the lower portion of the outer side of the pipe fitting, and an adjusting mechanism is arranged on the pipe fitting. A manual frame is slidably connected to the interior of the frame, a driving cover is fixedly connected to the upper portion of the outer side of the threaded pipe, two symmetrically-distributed trimming cutters are hinged to the interior of the driving cover, and a movable cutter is slidably connected to the interior of the driving cover. The threaded sleeve, the threaded pipe, the steel wire and other structures are additionally arranged in the pipe fitting, the use range of the trimming knife can be adjusted through threaded fit between the threaded sleeve and the threaded pipe in the use process, and therefore the trimming range of the device can be adjusted according to the specific trimming height; and the device is more convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of pruning devices, in particular to a pruning device for avocado planting. Background Technique

[0002] Avocado is a plant of the genus Persea in the Lauraceae family, an evergreen tree and a shade-tolerant plant, about 10 meters tall. During the process of avocado tree planting, in order to increase the yield of avocados, it is necessary to prune the branches of the avocado tree. During the pruning process, a relatively long pruning device is required. However, in the prior art, when pruning branches at high places, it is also necessary to prune the branches at low places. However, the pruning device in the prior art is too long, resulting in inconvenient operation when pruning the low branches. Therefore, it is necessary to improve the prior art. Content of the Utility Model

[0003] The purpose of the utility model is to provide a pruning device for avocado planting, which solves the problem that the length of the pruning device is too long and it is not convenient to prune the low branches.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A pruning device for avocado planting, including a pipe fitting. The upper end of the pipe fitting is installed with a threaded sleeve through a bearing. The inside of the threaded sleeve is connected with a threaded pipe through threads. The lower part of the outside of the pipe fitting is fixedly connected with a frame. An adjusting mechanism is arranged on the pipe fitting. A manual frame is slidably connected inside the frame. The upper part of the outside of the threaded pipe is fixedly connected with a driving cover. Two symmetrically distributed pruning knives are hinged inside the driving cover. A moving frame is slidably connected inside the driving cover. A steel wire is fixedly connected to the lower end of the moving frame. A first spring is arranged on the outside of the steel wire.

[0005] Preferably, two symmetrically distributed guide rods are fixedly connected inside the frame. The guide rods are slidably connected with the manual frame, and the guide rods can guide the movement of the manual frame.

[0006] Preferably, one end of the first spring is fixedly connected with the moving frame, and the other end of the first spring is fixedly connected with the driving cover. The first spring can drive the moving frame to automatically reset through elastic force.

[0007] Preferably, two symmetrically distributed pulling frames are hinged on the outside of the moving frame. The pulling frames are hinged with the pruning knives, and the moving frame can drive the pruning knives to deflect through the pulling frames.

[0008] Preferably, the adjusting mechanism includes an adjusting cover. The lower end of the pipe fitting is internally slidably connected with the adjusting cover. A rotating frame is installed inside the adjusting cover through a bearing. A receiving wheel is fixedly connected to the outside of the rotating frame. A steel wire is wound around the outside of the receiving wheel. A positioning frame is slidably connected inside the rotating frame. One end of the positioning frame away from the adjusting cover is fixedly connected with a handle. A second spring is arranged on the outer side of the rod of the positioning frame. A plurality of uniformly distributed positioning holes are formed in the outer side of the adjusting cover, and the positioning frame can position the rotating frame.

[0009] Preferably, the positioning frame is slidably connected with the positioning holes, the handle contacts the rotating frame, one end of the second spring is fixedly connected with the rotating frame, and the other end of the second spring is fixedly connected with the positioning frame. The second spring can drive the positioning frame to automatically reset by its elastic force.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] 1. By adding structures such as a threaded sleeve, a threaded pipe, and a steel wire inside the pipe fitting, during use, the range of use of the pruning knife can be adjusted through the thread fit between the threaded sleeve and the threaded pipe, so that the pruning range of the device can be adjusted according to the specific pruning height, making the device more convenient to use.

[0012] 2. By adding structures such as an adjusting cover, a receiving wheel, and a positioning frame to the pipe fitting, when adjusting the range of use of the pruning knife, the expansion of the driving structure can be compensated by taking in and releasing the steel wire through the receiving wheel, making the device easier to adjust. Moreover, the opening angle between the two pruning knives can be controlled by the steel wire. When pruning thinner branches, the pruning efficiency can be improved by reducing the opening angle. Description of the Drawings

[0013] Figure 1 is a three-dimensional view of the overall structure of the present utility model;

[0014] Figure 2 is the Figure 1 three-dimensional cross-sectional view of the pipe fitting of the present utility model;

[0015] Figure 3 is the Figure 1 three-dimensional enlarged cross-sectional view of the driving cover of the present utility model;

[0016] Figure 4 is the Figure 1 left-view enlarged cross-sectional view of the adjusting cover of the present utility model.

[0017] In the figure: 1, pipe fitting; 2, threaded sleeve; 3, threaded pipe; 4, frame; 5, adjusting mechanism; 6, manual frame; 7, guide rod; 8, driving cover; 9, trimming knife; 10, pulling frame; 11, moving frame; 12, steel wire; 13, first spring; 51, adjusting cover; 52, rotating frame; 53, storage wheel; 54, positioning frame; 55, handle; 56, second spring; 57, positioning hole. Detailed implementation manner

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figure 1 , Figure 2 , Figure 3 , a trimming device for avocado planting, including a pipe fitting 1. The upper end of the pipe fitting 1 is installed with a threaded sleeve 2 through a bearing. The inside of the threaded sleeve 2 is connected with a threaded pipe 3 through a thread. The lower part of the outside of the pipe fitting 1 is fixedly connected with a frame 4. An adjusting mechanism 5 is arranged on the pipe fitting 1. A manual frame 6 is slidably connected inside the frame 4. The upper part of the outside of the threaded pipe 3 is fixedly connected with a driving cover 8. Two symmetrically distributed trimming knives 9 are hinged inside the driving cover 8. A moving frame 11 is slidably connected inside the driving cover 8. The lower end of the moving frame 11 is fixedly connected with a steel wire 12. A first spring 13 is arranged outside the steel wire 12.

[0020] Please refer to Figure 1 , Figure 2 , Figure 3 , two symmetrically distributed guide rods 7 are fixedly connected inside the frame 4. The guide rods 7 are slidably connected with the manual frame 6. The guide rods 7 can guide the movement of the manual frame 6. One end of the first spring 13 is fixedly connected with the moving frame 11, and the other end of the first spring 13 is fixedly connected with the driving cover 8. The first spring 13 can drive the moving frame 11 to automatically reset through elastic force. Two symmetrically distributed pulling frames 10 are hinged outside the moving frame 11. The pulling frames 10 are hinged with the trimming knives 9. The moving frame 11 can drive the trimming knives 9 to deflect through the pulling frames 10.

[0021] Please refer to Figure 1 , Figure 4, the adjusting mechanism 5 includes an adjusting cover 51. The lower end inside the pipe fitting 1 is slidably connected with the adjusting cover 51. A rotating frame 52 is installed inside the adjusting cover 51 through a bearing. A receiving wheel 53 is fixedly connected to the outer side of the rotating frame 52. A steel wire 12 is wound around the outer side of the receiving wheel 53. A positioning frame 54 is slidably connected inside the rotating frame 52. One end of the positioning frame 54 away from the adjusting cover 51 is fixedly connected with a handle 55. A second spring 56 is arranged on the outer side of the rod member of the positioning frame 54. A plurality of uniformly distributed positioning holes 57 are formed in the outer side of the adjusting cover 51. The positioning frame 54 can position the rotating frame 52. The positioning frame 54 is slidably connected with the positioning holes 57. The handle 55 contacts the rotating frame 52. One end of the second spring 56 is fixedly connected with the rotating frame 52, and the other end of the second spring 56 is fixedly connected with the positioning frame 54. The second spring 56 can drive the positioning frame 54 to automatically reset through elastic force.

[0022] The specific implementation process of the present utility model is as follows: When in use, pull the handle 55. The handle 55 drives the positioning frame 54 to move and compresses the second spring 56. When the positioning frame 54 disengages from the current positioning hole 57, the limit on the rotating frame 52 can be released. Then rotate the rotating frame 52. The rotating frame 52 drives the receiving wheel 53 to rotate. During the forward rotation of the receiving wheel 53, the steel wire 12 can be released. After releasing a certain length, release the handle 55. The second spring 56 resets. The second spring 56 can drive the positioning frame 54 to slide into the adjusted positioning hole 57 through elastic force. Then rotate the threaded sleeve 2. During the rotation of the threaded sleeve 2, it can drive the driving cover 8 to move through the threaded fit with the threaded pipe 3. During the movement of the driving cover 8, the trimming range can be adjusted. When the steel wire 12 is tightened, stop rotating the threaded sleeve 2, so that the adjustment of the trimming range can be conveniently completed, making the device more convenient to use.

[0023] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A pruning device for avocado cultivation, comprising a pipe fitting (1), characterized in that: The upper end of the pipe fitting (1) is installed with a threaded sleeve (2) through a bearing. The inside of the threaded sleeve (2) is connected with a threaded pipe (3) through threads. The lower part of the outer side of the pipe fitting (1) is fixedly connected with a frame (4). An adjusting mechanism (5) is arranged on the pipe fitting (1). A manual frame (6) is slidably connected inside the frame (4). The upper part of the outer side of the threaded pipe (3) is fixedly connected with a driving cover (8). Two symmetrically distributed trimming knives (9) are hinged inside the driving cover (8). A moving frame (11) is slidably connected inside the driving cover (8). A steel wire (12) is fixedly connected to the lower end of the moving frame (11). A first spring (13) is arranged on the outer side of the steel wire (12).

2. The pruning device for avocado cultivation according to claim 1, characterized in that: Two symmetrically distributed guide rods (7) are fixedly connected inside the frame (4). The guide rods (7) are slidably connected with the manual frame (6).

3. The pruning device for avocado cultivation according to claim 1, characterized in that: One end of the first spring (13) is fixedly connected with the moving frame (11), and the other end of the first spring (13) is fixedly connected with the driving cover (8).

4. A pruning device for avocado cultivation according to claim 1, characterized in that: Two symmetrically distributed pulling frames (10) are hinged on the outer side of the moving frame (11). The pulling frames (10) are hinged with the trimming knives (9).

5. The pruning device for avocado cultivation according to claim 1, wherein: The adjusting mechanism (5) includes an adjusting cover (51). The adjusting cover (51) is slidably connected inside the lower end of the pipe fitting (1). A rotating frame (52) is installed inside the adjusting cover (51) through a bearing. A storage wheel (53) is fixedly connected to the outer side of the rotating frame (52). A steel wire (12) is wound around the outer side of the storage wheel (53). A positioning frame (54) is slidably connected inside the rotating frame (52). A handle (55) is fixedly connected to one end of the positioning frame (54) away from the adjusting cover (51). A second spring (56) is arranged on the outer side of the rod member of the positioning frame (54). A plurality of uniformly distributed positioning holes (57) are opened on the outer side of the adjusting cover (51).

6. The pruning device for avocado planting according to claim 5, wherein: The positioning frame (54) is slidably connected with the positioning holes (57). The handle (55) contacts the rotating frame (52). One end of the second spring (56) is fixedly connected with the rotating frame (52), and the other end of the second spring (56) is fixedly connected with the positioning frame (54).

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