Pyrus tree planting and pruning device
By employing a multi-stage lever principle connecting seat and articulated blade structure in the pear tree pruning device, the problem of traditional pear tree pruning devices requiring heavy pruning of thick branches has been solved, achieving the effect of easily pruning thick branches.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANYANG XINGHE ECOLOGICAL AGRICULTURE CO LTD
- Filing Date
- 2025-06-24
- Publication Date
- 2026-07-03
AI Technical Summary
Traditional pear tree pruning devices require a lot of effort to prune thick branches, causing fatigue for the user.
The design employs a multi-stage lever principle. Through the sliding connection of the connecting seat and the hinged blade structure within the mounting groove, the first pressure handle drives the second blade to rotate, thereby reducing the force applied by the user by utilizing the lever principle.
It reduces the fatigue of pruning thick branches and improves ease of use.
Smart Images

Figure CN224439765U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pruning device technology, specifically a pear tree planting and pruning device. Background Technology
[0002] When planting pear trees, it is necessary to prune the branches. Pruning requires pruning shears. Traditional pruning shears generally consist of two handles with blades connected by a pivot. When using them, the worker simply presses down on the two handles to bring the blades closer together to prune the branches. While this achieves the purpose of pruning, there are still some problems. For example, traditional pruning shears use a single lever principle to connect the two handles, generating cutting force on the branches. Although this can generate cutting force, it requires more force when pruning thicker branches, and the worker still needs to exert a lot of effort to press down on the two handles, making it quite tiring to use. Utility Model Content
[0003] The purpose of this invention is to provide a pear tree planting and pruning device to solve the problems mentioned in the background art.
[0004] To solve the above-mentioned technical problems, the present invention provides the following technical solution: including a mounting base and a first cutter body fixedly connected to one end of the mounting base, wherein the mounting base has an installation groove inside, and a second cutter body hinged to the first cutter body is disposed inside the installation groove;
[0005] The mounting groove is slidably connected to a connecting seat. The two ends of the connecting seat are respectively hinged to a first connecting block and a second connecting block. The other end of the first connecting block is hinged to a second blade body. The mounting groove is provided with a first pressure handle that is hinged to the second connecting block.
[0006] In a further embodiment, a shaft that is rotatably connected to the mounting base is fixed to one end of the first pressure handle near the second connecting block.
[0007] In a further embodiment, a sliding groove is provided at the center of the connecting seat, and a sliding block that is slidably connected to the sliding groove is assembled inside the mounting groove.
[0008] In a further embodiment, the other end of the mounting base is fixedly connected to a second pressure handle that cooperates with the first pressure handle.
[0009] In a further embodiment, a return spring is provided between the first pressure handle and the second pressure handle.
[0010] In a further embodiment, both the first and second pressure handles have protrusions fixed to their opposite sides that engage with the return spring.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] This invention features a connecting seat that slides inside the mounting groove. When the user presses the first handle, the connecting seat moves inside the mounting groove under the action of the second connecting block. Under the action of the first connecting block, the connecting seat pushes the second blade to rotate around the hinge point with the first blade, causing the second and first blades to cut the branches. The multi-stage lever principle enables the first handle to drive the second blade to move. The worker only needs to apply a little force to generate a strong cutting force between the first and second blades, reducing the force required to prune branches and lowering fatigue. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;
[0014] Figure 2 This is a structural cross-sectional view of an embodiment of the present utility model.
[0015] In the figure: 1. Mounting base; 2. First cutter body; 3. Mounting groove; 4. Connecting base; 5. First connecting block; 6. Second connecting block; 7. Second cutter body; 8. First pressure bar; 9. Shaft; 10. Sliding groove; 11. Sliding block; 12. Second pressure bar; 13. Return spring; 14. Protrusion. Detailed Implementation
[0016] 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.
[0017] This embodiment discloses a pear tree planting and pruning device, including a mounting base 1 and a first blade 2 fixedly connected to one end of the mounting base 1. The mounting base 1 has an internal mounting groove 3, and a second blade 7, hinged to the first blade 2, is disposed inside the mounting groove 3. Figure 1 and Figure 2 As shown in this application, the mounting base 1 is used to mount the first blade 2, and the second blade 7 is located in the mounting groove 3 opened inside the mounting base 1. The first blade 2 and the second blade 7 are hinged together by a pin connection, and are used in conjunction with the first blade 2 to cut the branches of tree branches.
[0018] More specifically, a connecting seat 4 is slidably connected inside the mounting groove 3. A first connecting block 5 and a second connecting block 6 are hinged to both ends of the connecting seat 4, respectively. The other end of the first connecting block 5 is hinged to the second blade body 7. A first pressure handle 8, hinged to the second connecting block 6, is provided inside the mounting groove 3. A shaft 9, rotatably connected to the mounting seat 1, is fixed to one end of the first pressure handle 8 near the second connecting block 6. Figure 1 and Figure 2 As shown, the connecting seat 4 is installed inside the mounting groove 3. The first connecting block 5 and the second connecting block 6 are respectively hinged to both ends of the connecting seat 4 by pins. The first pressure handle 8 is designed at the other end of the second connecting block 6. The shaft 9 is designed on the first pressure handle 8 and rotatably connected to the mounting seat 1, allowing the first pressure handle 8 to rotate around the shaft 9. When force is applied to the first pressure handle 8, the first pressure handle 8 flips around the shaft 9, pushing the second connecting block 6 to move. Since the other end of the second connecting block 6 is fixed on the connecting seat 4, and the connecting seat 4 and The mounting slot 3 is slidably connected, and the connecting seat 4 moves inside the mounting slot 3. When the connecting seat 4 moves, it applies force to one end of the second blade 7 under the action of the first connecting block 5. The second blade 7 rotates around the hinge point with the first blade 2 as the axis, and the first blade 2 and the second blade 7 close each other to cut the branches. The shaft 9 of the first handle and the hinge point between the second blade 7 and the first blade 2 generate a linkage lever force, which can generate a large shearing force between the first blade 2 and the second blade 7 without much force, thus improving the convenience of use.
[0019] Preferably, a sliding groove 10 is provided at the center of the connecting seat 4, and a sliding block 11 that is slidably connected to the sliding groove 10 is fitted inside the mounting groove 3, such as... Figure 2 As shown, the sliding groove 10 is opened at the center of the connecting seat 4, and the sliding block 11 is located inside the mounting groove 3. The sliding block 11 and the sliding groove 10 are slidably connected, and the connecting seat 4 can be moved inside the mounting groove 3 to perform sliding limit movement.
[0020] Furthermore, a second pressure handle 12, which mates with the first pressure handle 8, is fixedly connected to the other end of the mounting base 1. A return spring 13 is provided between the first pressure handle 8 and the second pressure handle 12. A protrusion 14, which engages with the return spring 13, is fixedly connected to the opposite side of both the first pressure handle 8 and the second pressure handle 12. Figure 1As shown, the second pressure handle 12 is designed at the other end of the mounting base 1. The second pressure handle 12 works in conjunction with the first pressure handle 8 to facilitate one-handed application of force by the user. The second pressure handle 12 is used as a base point to apply pressure to the first pressure handle 8. The return spring 13 is designed between the two protrusions 14 on the first pressure handle 8 and the second pressure handle 12. The two protrusions 14 hold the return spring 13 between the first pressure handle 8 and the second pressure handle 12. It is used for branch pruning to provide a reverse elastic force to the first pressure handle 8 and the second pressure handle 12, so that they spring back to their original position to facilitate the next pruning work.
[0021] It should be noted that parts have a lifespan and can be replaced during regular maintenance when they no longer meet performance requirements. Deterioration in performance due to prolonged use of parts is not a design defect of this application.
[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A pear tree planting and pruning device, comprising a mounting base (1) and a first cutter body (2) fixed to one end of the mounting base (1), characterized in that: The mounting base (1) has a mounting groove (3) inside, and a second blade (7) hinged to the first blade (2) is provided inside the mounting groove (3). The mounting groove (3) is slidably connected to a connecting seat (4). The two ends of the connecting seat (4) are respectively hinged to a first connecting block (5) and a second connecting block (6). The other end of the first connecting block (5) is hinged to the second blade body (7). The mounting groove (3) is provided with a first pressure handle (8) hinged to the second connecting block (6).
2. A pear tree planting and pruning device according to claim 1, characterized in that: A shaft (9) that is rotatably connected to the mounting base (1) is fixed on one end of the first pressure handle (8) and near the second connecting block (6).
3. The pear tree planting and pruning device according to claim 1, characterized in that: The center of the connecting seat (4) is provided with a sliding groove (10), and the interior of the mounting groove (3) is equipped with a sliding block (11) that is slidably connected to the sliding groove (10).
4. The pear tree planting and pruning device according to claim 1, characterized in that: The other end of the mounting base (1) is fixedly connected to a second pressure handle (12) that works in conjunction with the first pressure handle (8).
5. A pear tree planting and pruning device as claimed in claim 4, characterized in that: A reset spring (13) is provided between the first pressure handle (8) and the second pressure handle (12).
6. A pear tree planting and pruning device as claimed in claim 5, characterized in that: Both the first pressure handle (8) and the second pressure handle (12) have a protrusion (14) that engages with the reset spring (13) on the opposite side.