Branch pruning device convenient to adjust

By designing a trigger mechanism that uses two fingers to simultaneously pull the lead wire to trigger the action, combined with the elastic deformation of the spring and the limiting mechanism, the problems of complex operation and accidental triggering of existing branch pruning devices are solved, achieving efficient and safe pruning results and extending the life of the device.

CN223758809UActive Publication Date: 2026-01-06SHANGRAO AGRI FORESTRY & WATER SCI RES CENT
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Patent Information

Application Number
CN202520165937.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2026-01-06
Estimated Expiration
2035-01-24

AI Technical Summary

Technical Problem

Existing pruning devices require pressing a lever to compress a spring to bring the blades together, which is complicated to operate and prone to accidental triggering. They do not fully utilize the spring's elastic deformation for pruning, resulting in low efficiency.

Method used

Design a triggering mechanism that triggers the action by simultaneously pulling the lead wire with two fingers. The elastic deformation of the first spring pushes the first pressure plate to drive the sliding column and moving blade to slide, which, together with the fixed blade, performs trimming. This avoids accidental triggering, and the reset limit of the second sliding column and spring reduces wear on the parts.

Benefits of technology

Simplify the operation process, improve pruning efficiency, reduce the risk of accidental triggering, extend the life of the device, save manpower, and enhance safety and ease of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gardening tools, and discloses a branch pruning device convenient to adjust, which comprises a trigger mechanism and a pruning mechanism, the trigger mechanism comprises a handle and two leads, the pruning mechanism comprises two half pipes, the inner sides of the two half pipes are fixedly arranged in an attached manner, and the handle is connected with the handle. First sliding grooves are formed in the middles of the inner walls of the two half pipes, and half vertical pipes are fixedly arranged at the rear positions of the middles of the upper ends and the lower ends of the pipe bodies of the two half pipes in a penetrating mode. When the device is used, a user uses the two pull rings to simultaneously pull the two leads to trigger actions through two fingers, the operation is simple and easy to operate, the operation difficulty is reduced, the working efficiency is improved, the triggering can be realized only when the two leads are simultaneously pulled, false triggering is avoided, the safety is high, and the elastic deformation of the first spring is utilized, so that the safety of the device is improved. The first pressing plate is pushed to drive the first sliding column and the movable blade to rapidly slide forwards, branches are trimmed in cooperation with the fixed blade, compared with a traditional manual mode, manpower is saved, and the trimming efficiency is effectively improved.
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Description

Technical Field

[0001] This utility model relates to the field of gardening tools, and in particular to a branch pruning device that is easy to adjust. Background Technology

[0002] In forestry and landscaping management, pruning trees and seedlings is an extremely important and indispensable task. The health and sustainable development of forest resources depend on scientific and reasonable pruning practices. During their growth, many trees exhibit problems such as overly dense, crossing, and excessively long branches. These unhealthy branches not only compete for limited nutrients, water, and sunlight but can also affect ventilation and light penetration, providing a breeding ground for pests and diseases. For example, if fast-growing forests are not pruned in time, the dense branches will increase humidity within the forest, facilitating the spread of pathogens and leading to widespread forest diseases. Pruning removes diseased, weak, and dead branches, allowing for a more balanced distribution of nutrients to healthy branches with growth potential. This promotes robust tree growth, enhances their resistance to natural disasters and pests, and ensures the stability of the forest ecosystem.

[0003] A search revealed an existing patent (publication number: CN220674482U) that discloses a "dragon fruit branch pruning device, comprising two sets of outer shells and an adjustment mechanism. Each set of outer shells has a sliding groove and a reset groove on opposite sides. One set of outer shells has a locking groove at its upper outer end. Through the cooperation between the adjustment mechanism, the upper pruning blade, and the lower pruning blade, the upper pruning blade is fixed to the fixed seat by a first fixing bolt, and the lower pruning blade is fixedly connected to the locking groove by a second fixing bolt. This allows for easy disassembly and replacement of the blades. Simultaneously, pressing the pull rod moves the connecting rod synchronously, causing the limiting plate to compress the spring while the upper and lower pruning blades overlap to prune the dragon fruit branches. The length of the outer shells facilitates pruning dragon fruit branches of different heights, improving pruning efficiency, reducing the workload of workers, minimizing the number of times workers bend over, and increasing the comfort of pruning dragon fruit branches."

[0004] In the process of developing this application, the inventors discovered the following problems with the prior art: Although the aforementioned comparative patent provides a dragon fruit branch pruning device by setting up components such as a shell, upper pruning blade, lower pruning blade, and spring, each pruning action requires pressing a lever to compress the spring to bring the two blades together. Compared to traditional scissor pruning, this requires additional effort to overcome the elasticity of the spring, and does not fully utilize the spring's recovery process for pruning. Therefore, those skilled in the art have provided a branch pruning device that is easy to adjust to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a conveniently adjustable branch pruning device. When in use, the user simultaneously pulls two pull rings with two fingers to activate two leads, making the operation simple and easy to learn, reducing operational difficulty, and improving work efficiency. Furthermore, activation is only possible when both leads are pulled simultaneously, avoiding accidental activation and ensuring high safety. Simultaneously, the elastic deformation of the first spring pushes the first pressure plate, causing the first sliding column and moving blade to slide forward rapidly, working in conjunction with the fixed blade to prune branches. Compared to traditional manual methods, this saves manpower and effectively improves pruning efficiency.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a conveniently adjustable branch pruning device, comprising a triggering mechanism and a pruning mechanism. The triggering mechanism includes a handle and two leads. The pruning mechanism includes two half-tubes, which are fixedly fitted together on their inner sides. A first sliding groove is provided in the middle of the inner wall of each of the two half-tubes. A semi-vertical tube is fixedly provided through the upper and lower ends of each of the two half-tubes at the rear middle position. A first sliding column is slidably provided inside each of the two half-tubes. The front end of the handle is fixedly provided to the rear end of each of the two half-tubes.

[0007] Furthermore, a handle is fixedly provided between the lower bottom surface of the upper end and the upper bottom surface of the lower end of the handle at a rear middle position, and the two lead wires are respectively slidably disposed through the center of the upper and lower ends of the handle at a rear position, and pull rings are fixedly connected to the rear ends of the two lead wires.

[0008] Furthermore, a fixed blade is fixedly installed at the upper middle position of one of the two half-tubes on one side, and a movable blade is fixedly installed at the upper middle position of the first sliding column.

[0009] Furthermore, a first pressure plate is fixedly installed through the middle of the first sliding column at the rear position. The diameter of the first pressure plate is the same as the inner diameter of the two first sliding grooves. A first spring is fixedly installed between the rear ends of the first pressure plate and the two first sliding grooves at the rear position of the first sliding column.

[0010] Furthermore, buffer columns are fixedly installed symmetrically at the upper and lower positions of the front ends of the two first slides, and the four semi-vertical tubes are respectively connected to the middle rear position of the upper and lower ends of the two first slides.

[0011] Furthermore, each of the four semi-vertical tubes has a second groove inside its body near the two first grooves, and each of the two cavities formed by combining the four semi-vertical tubes in pairs has a second sliding post slidably disposed inside its body. The front ends of the two leads are respectively fixedly connected to the center of the two second sliding posts at the ends away from the two first grooves.

[0012] Furthermore, a second pressure plate is fixedly installed through the middle of each of the two second sliding columns, and a second spring is fixedly installed between the second pressure plate and one end of each of the two second sliding grooves near the two first sliding grooves at the position of each of the two second sliding columns.

[0013] Furthermore, each of the two second sliding columns has an inclined surface near one end of the two first sliding grooves.

[0014] This utility model has the following beneficial effects:

[0015] 1. This utility model proposes a conveniently adjustable branch pruning device. When using this device, the user needs to use two fingers to simultaneously pull two pull rings to trigger the action of two leads. The operation method is simple and direct, easy to learn, reduces the user's operating difficulty, and improves work efficiency. At the same time, it can only be triggered when both leads are pulled at the same time, which effectively avoids accidental triggering and ensures safety. By utilizing the elastic deformation recovery process of the first spring, the first pressure plate is pushed to drive the first sliding column and the moving blade to slide forward quickly. The branches are pruned by the cooperation of the fixed blade and the moving blade. Compared with the traditional manual pruning method, it effectively saves manpower and greatly improves pruning efficiency.

[0016] 2. The present invention proposes a conveniently adjustable branch pruning device. The first pressure plate of the device and the second sliding column with a beveled end face cooperate well to achieve good limiting of the first sliding column. After the first pressure plate passes two second sliding columns, the second spring restores its elastic deformation, causing the second sliding column to return to its original position and stably lock the first pressure plate, ensuring the reliability of the limiting and providing good protection. Meanwhile, the four buffer columns can effectively buffer the impact of the first pressure plate driven by the first spring's restoration deformation, reduce the impact force between the internal parts of the device, reduce the wear of the parts, and thus extend the service life of the equipment. Attached Figure Description

[0017] Figure 1 This is an isometric schematic diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the isometric side section of this utility model;

[0019] Figure 3 This is an isometric explosion diagram of the present invention;

[0020] Figure 4 This utility model Figure 2 Enlarged schematic diagram of the structure at point A;

[0021] Figure 5 This utility model Figure 3 Enlarged schematic diagram of the structure at point B.

[0022] Legend:

[0023] 1. Triggering mechanism; 2. Trimming mechanism; 101. Handle; 102. Grip; 103. Lead wire; 201. Half tube; 202. First slide groove; 203. Fixed blade; 204. First slide column; 205. Moving blade; 206. First pressure plate; 207. First spring; 208. Half vertical tube; 209. Second slide column; 210. Inclined surface; 211. Second spring; 212. Second pressure plate; 213. Second slide groove; 214. Buffer column. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Reference Figure 1 and Figure 2 The present invention provides an embodiment of a branch pruning device that is easy to adjust, comprising a triggering mechanism 1 and a pruning mechanism 2. The triggering mechanism 1 includes a handle 101 and two leads 103. The pruning mechanism 2 includes two half-tubes 201, which are fixedly fitted to each other on their inner sides. A first sliding groove 202 is provided in the middle of the inner wall of each half-tube 201. A semi-vertical tube 208 is fixedly provided through the upper and lower ends of each half-tube 201 at the rear middle position. A first sliding column 204 is slidably provided inside each half-tube 201. The front end of the handle 101 is fixedly provided to the rear end of each half-tube 201.

[0026] Specifically, the handle 101 in the triggering mechanism 1 provides a good mounting position for the two half-tubes 201 in the trimming mechanism 2.

[0027] Reference Figure 2 A handle 102 is fixedly installed between the upper bottom surface and the lower top surface of the handle 101 at the rear middle position. Two lead wires 103 are respectively slidably installed through the handle 101 at the rear position and to the upper and lower center of the handle 101. Pull rings are fixedly connected to the rear ends of the two lead wires 103.

[0028] Specifically, the handle 102 allows the user to hold it securely and stably. When in use, the user needs to use two fingers to pull the two leads 103 simultaneously using the two pull rings to trigger the action.

[0029] Reference Figure 2 , Figure 3 , Figure 4 and Figure 5A fixed blade 203 is fixedly installed at the upper middle position of the front end of one of the two half tubes 201. A movable blade 205 is fixedly installed at the upper middle position of the first sliding column 204. A first pressure plate 206 is fixedly installed through the middle rear position of the first sliding column 204. The diameter of the first pressure plate 206 is the same as the inner diameter of the two first sliding grooves 202. A first spring 207 is fixedly installed at the rear position of the first sliding column 204 between the rear ends of the first pressure plate 206 and the two first sliding grooves 202.

[0030] Two buffer columns 214 are fixedly installed symmetrically at the upper and lower front ends of the two first slide grooves 202. Four semi-vertical tubes 208 are respectively connected to the upper and lower ends of the two first slide grooves 202 at the middle rear position. A second slide groove 213 is opened in the tube body of the four semi-vertical tubes 208 near the two first slide grooves 202. A second slide column 209 is slidably installed in the two cavities formed by the combination of the four semi-vertical tubes 208. The front ends of the two leads 103 are respectively fixedly connected to the center of the two second slide columns 209 away from the two first slide grooves 202.

[0031] A second pressure plate 212 is fixedly installed through the middle of the two second sliding columns 209. A second spring 211 is fixedly installed between the second pressure plate 212 and the two second sliding grooves 213 near the two first sliding grooves 202. An inclined surface 210 is opened at the end of the two second sliding columns 209 near the two first sliding grooves 202.

[0032] Specifically, during use, the user holds the handle 102 stably, presses the front end of the first sliding column 204 against a solid surface such as a tree trunk or the ground, and the first sliding column 204 slides backward inside the two half-tubes 201. The first pressure plate 206 slides accordingly and, when it comes into contact with the two inclined surfaces 210, forces the two second sliding columns 209 to slide away from the two first sliding grooves 202. When the first pressure plate 206 passes the two second sliding columns 209, the two compressed and stretched second springs 211 restore their elastic deformation, causing the two second sliding columns 209 to return to their original position. The first sliding column 204 is limited by locking the first pressure plate 206. At this time, the first spring 207 is compressed and maintains its deformation.

[0033] The branch to be pruned is placed between the fixed blade 203 and the moving blade 205. At the same time, the two guide wires 103 are pulled, and the two second sliding columns 209 slide away from the two first sliding grooves 202, releasing the restriction on the first sliding column 204. The first spring 207 returns to its elastic deformation, and the first sliding column 204 and the moving blade 205 slide forward quickly through the first pressure plate 206. Thus, the branch is pruned by the cooperation of the fixed blade 203 and the moving blade 205, which effectively saves manpower. The four buffer columns 214 effectively buffer the impact of the first pressure plate 206 when the first spring 207 returns to its deformation, extending the service life of the equipment.

[0034] Working principle: In use, the user holds the handle 102 stably and presses the front end of the first sliding column 204 against a solid surface such as a tree trunk or the ground. The first sliding column 204 then slides backward inside the two half-tubes 201. The first pressure plate 206 slides accordingly and, when it comes into contact with the two inclined surfaces 210, forces the two second sliding columns 209 to slide away from the two first sliding grooves 202. When the first pressure plate 206 passes the two second sliding columns 209, the two compressed and stretched second springs 211 restore their elastic deformation, causing the two second sliding columns 209 to return to their original position. The first sliding column 204 is limited by locking the first pressure plate 206. At this time, the first spring 207 is compressed and maintains its deformation.

[0035] Secondly, the branch to be pruned is placed between the fixed blade 203 and the movable blade 205. At the same time, the two guide wires 103 are pulled, and the two second sliding pillars 209 slide away from the two first sliding grooves 202, releasing the restriction on the first sliding pillar 204. The first spring 207 restores its elastic deformation, and the first sliding pillar 204 and the movable blade 205 are driven to slide forward quickly through the first pressure plate 206. Thus, the branch is pruned by the cooperation of the fixed blade 203 and the movable blade 205, which effectively saves manpower.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A branch trimming device with easy adjustment, comprising a trigger mechanism (1) and a trimming mechanism (2), characterized in that: The trigger mechanism (1) includes a handle (101) and two lead wires (103), the trimming mechanism (2) includes two half pipes (201), two half pipes (201) are fixedly arranged inside, first sliding grooves (202) are arranged in the middle of the inner walls of two half pipes (201), half vertical pipes (208) are fixedly arranged on the upper and lower ends of the two half pipes (201) and are located at the rear positions, first sliding columns (204) are slidably arranged in the two half pipes (201), and the handle (101) is fixedly arranged at the front end of the two half pipes (201).

2. A conveniently adjustable branch trimming device as claimed in claim 1, wherein: The lower bottom surface of the upper end of the handle (101) and the upper bottom surface of the lower end are fixedly arranged between the rear intermediate positions, two handle (102) are fixedly arranged, the rear positions of the line bodies of two lead wires (103) are respectively slidably arranged into the centers of the upper end and the lower end of the handle (101), and the rear ends of two lead wires (103) are fixedly connected with pull rings.

3. A conveniently adjustable branch trimming device as claimed in claim 1, wherein: One of the two half pipes (201) is fixedly arranged at the front end of the upper position of the middle of one side, and a fixed blade (203) is arranged.

4. A conveniently adjustable branch trimming device as claimed in claim 1, wherein: The first sliding column (204) is fixedly arranged at the rear position of the middle of the column body, the first pressing plate (206) has the same diameter as the inner diameter of the two first sliding grooves (202), the first pressing plate (206) and the rear ends of the two first sliding grooves (202) are sleeved on the rear position of the column body of the first sliding column (204), and the first spring (207) is fixedly arranged.

5. A conveniently adjustable branch trimming device as claimed in claim 1, wherein: The front ends of the two first sliding grooves (202) are fixedly arranged with buffer columns (214) in an axisymmetric manner, and the four half vertical pipes (208) are respectively communicated to the upper and lower intermediate rear positions of the two first sliding grooves (202).

6. A conveniently adjustable branch trimming device as claimed in claim 1, wherein: The four half vertical pipes (208) are respectively fixedly arranged with buffer columns (214) in an axisymmetric manner, and the four half vertical pipes (208) are respectively fixedly arranged with buffer columns (214) in an axisymmetric manner.

7. A conveniently adjustable branch trimming device as claimed in claim 6, wherein: The four half vertical pipes (208) are respectively fixedly arranged with buffer columns (214) in an axisymmetric manner, and the four half vertical pipes (208) are respectively fixedly arranged with buffer columns (214) in an axisymmetric manner.

8. A conveniently adjustable branch trimming device as claimed in claim 6, wherein: The rear ends of the two lead wires (103) are respectively fixedly connected to the centers of the ends of the two second sliding columns (209) away from the two first sliding grooves (202). The second sliding columns (209) are respectively fixedly arranged with second pressing plates (212) at the middle positions of the column bodies, the second pressing plates (212) and the two second sliding grooves (213) are sleeved on the column body positions of the two second sliding columns (209), and the second springs (211) are fixedly arranged. The two second sliding columns (209) are respectively fixedly arranged with buffer columns (214) in an axisymmetric manner, and the four half vertical pipes (208) are respectively fixedly arranged with buffer columns (214) in an axisymmetric manner.

Citation Information

Patent Citations

  • Pitaya branch pruning equipment

    CN220674482U