Pear tree branch trimmer convenient to adjust

The design of the tiered grip and multi-functional handle solves the problem of discomfort caused by different hand shapes when using the pear tree branch trimmer, achieving a stable grip and comfortable trimming effect that adapts to different hand shapes.

CN224218970UActive Publication Date: 2026-05-12JINZHAI COUNTY HEIGOUYAN ECOLOGICAL AGRICULTURE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JINZHAI COUNTY HEIGOUYAN ECOLOGICAL AGRICULTURE CO LTD
Filing Date
2025-06-10
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

由于每个人手掌大小、手指长度各不相同,手小者握持常规梨树枝条修剪器的握把时需过度伸展手指,导致手指合拢距离过长、发力空隙大,抓握稳定性差且易疲劳,降低修剪作业舒适度。

Method used

An easily adjustable pear tree branch trimmer was designed, featuring a tiered grip and a multi-functional handle structure. The handle can be rotated and stored through a receiving groove and a pivot, providing a vertical force fulcrum. Combined with a limiting mechanism and a locking mechanism, it adapts to the gripping needs of different hand shapes, improving grip stability and comfort.

Benefits of technology

It achieves a comfortable grip for users with different hand shapes, reduces the gap in force application, improves grip stability, avoids hand tension and fatigue, meets the needs of diverse trimming postures, and improves the continuity and comfort of trimming operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of trimmers, in particular to a pear tree branch trimmer convenient to adjust, which comprises two grips, each gripping mechanism comprises an accommodating groove, a connecting handle, a storage groove, a rotating shaft and a handle, a limiting mechanism comprises a moving groove, a limiting groove, a limiting block and a first spring, the accommodating groove provides a sliding track for the connecting handle, and the connecting handle is provided with a first spring. The storage groove is matched with the rotating shaft to achieve rotary storage of the handle, the handle can serve as a vertical force application fulcrum when erected, the size of the connecting handle is smaller than that of the grip, a person with a small hand can directly hold the connecting handle, the finger folding distance is shortened, the force application gap during holding is reduced, the holding stability is improved, and a person with a large hand holds the original grip and keeps a natural stretching holding posture. The multi-functional handle is simple in structure and convenient to use, hand tightening fatigue caused by the too narrow grip is avoided, meanwhile, the handle meets the requirement for diversified pruning postures, and therefore adjustment from the holding size to the force application mode is achieved through cooperative adjustment of the hierarchical grip and the multi-functional handle, and then the comfort and continuity of pruning operation are guaranteed.
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Description

Technical Field

[0001] This utility model relates to the field of pruning equipment technology, and in particular to an easily adjustable pear tree branch pruning equipment. Background Technology

[0002] A pear tree pruning tool is a specialized tool used to prune pear tree branches. By removing excess, weak, or overly dense branches, it adjusts the tree crown structure and branch composition, ensuring healthy growth and improving fruit quality. There are many types of pruning tools; one type has the following structure:

[0003] 1. Blade: Used for cutting pear tree branches;

[0004] 2. Grip Mechanism: The grip in the grip mechanism is the part that the user holds.

[0005] 3. Telescopic pole: Adjustable length to meet pruning needs at different heights and distances.

[0006] 4. Connecting components: including rivets, screws, etc., used to securely connect the blade, handle and telescopic rod, ensuring the overall structural strength and stability of the trimmer.

[0007] Some products adapt to different trimming scenarios by adjusting the handle length. However, such adjustment only focuses on the change of operating length. Since everyone's hand size and finger length are different, people with small hands need to overextend their fingers to grip the regular handle, resulting in an excessively long distance between the fingers, a large gap in force exertion, poor grip stability, and easy fatigue, which reduces the comfort of trimming operations. Utility Model Content

[0008] To address the shortcomings of existing technologies, this utility model provides an easily adjustable pear tree branch pruner, which solves the technical problem that, due to the different hand sizes and finger lengths of each person, those with smaller hands need to overextend their fingers to grip the conventional handle, resulting in excessively long finger-to-fingers distance, large gaps in force exertion, poor grip stability, and easy fatigue, thus reducing the comfort of pruning operations.

[0009] To achieve the above objectives, this utility model provides the following technical solution:

[0010] An easily adjustable pear tree branch trimmer includes two handles, each with a gripping mechanism on its exterior. Each gripping mechanism includes a receiving groove, a connecting handle, a storage groove, a rotating shaft, and a handle. The receiving groove is located on the exterior of the handle, the connecting handle is slidably connected to the interior of the receiving groove, the storage groove is located on the exterior of the connecting handle, the rotating shaft is rotatably connected to the interior of the storage groove, and the end of the handle is fixedly connected to the exterior of the rotating shaft. Each connecting handle has a limiting mechanism at one end corresponding to the handle to restrict the rotation of the handle. The limiting mechanism includes a moving groove, a limiting groove, a limiting block, and a first spring. The moving groove is located inside the storage groove, the limiting groove is located outside the handle, the limiting block is slidably connected at both ends to the interiors of the moving groove and the limiting groove, and the first spring is fixedly connected to the interior of the moving groove and supports the limiting block.

[0011] Preferably, each connecting handle has a locking block on its exterior, and each handle has two locking holes on one side corresponding to the locking block. The locking block is slidably connected to the inside of the locking holes. Each connecting handle has a groove on its exterior, and the locking block is slidably connected to the inside of the groove. A second spring for supporting the locking block is fixedly connected inside each groove, and the locking block is fixedly connected to the end of the second spring.

[0012] Preferably, each connection has a through hole on one side of the corresponding moving slot, and a pull plate is slidably connected inside the through hole, and the pull plate is fixedly connected to the outside of the limiting block.

[0013] Preferred configuration: Each receiving slot has an internal groove at both ends, each connecting handle has an external insertion rod, each insertion rod has an external internal block, the end of the insertion rod and the internal block are slidably connected inside the two internal grooves respectively, each connecting handle has an external mounting hole, the insertion rod is slidably connected inside the mounting hole, each insertion rod is fixedly mounted with a screw, the internal block is slidably connected to the outside of the screw, and each screw is threaded with a threaded cap for limiting the position of the internal block.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The receiving slot provides a sliding track and storage space for the connecting handle. The storage slot, together with the pivot, allows the handle to be rotated and stored. When the handle is upright, it can serve as a vertical force fulcrum. The connecting handle is smaller than the grip, so people with small hands can hold the connecting handle directly, shortening the distance between their fingers and reducing the force gap when gripping, thus improving grip stability. People with large hands can hold the original grip, maintaining a natural and comfortable grip posture, avoiding hand fatigue caused by a grip that is too narrow. At the same time, the handle meets the needs of various trimming postures. Therefore, through the coordinated adjustment of the graded grip and the multi-functional handle, adjustments can be made from grip size to force application method, thereby ensuring the comfort and continuity of trimming operations.

[0016] 2. Whether the connecting handle is fully inside the receiving groove or used as a gripping mechanism, the locking block is engaged in the locking hole to fix the connecting handle under the push of the second spring. Pressing the locking block can cause it to retract into the groove to release the lock, providing a quick locking function and thus ensuring the stability of the connecting handle. Attached Figure Description

[0017] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This utility model Figure 1 Structural diagram of the middle connector;

[0020] Figure 3 This utility model Figure 2 A bottom view of the structure of the connecting handle;

[0021] Figure 4 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0022] Figure 5 This utility model Figure 2 Exploded view of the central connecting handle;

[0023] Figure 6 This utility model Figure 3 A cross-sectional view of the connecting bar.

[0024] Legend: 1. Grip; 2. Receiving groove; 3. Connecting handle; 4. Storage groove; 5. Rotating shaft; 6. Handle; 7. Moving groove; 8. Limiting groove; 9. Limiting block; 10. First spring; 11. Groove; 12. Locking block; 13. Locking hole; 14. Second spring; 15. Through hole; 16. Pull plate; 17. Internal groove; 18. Insert rod; 19. Internal block; 20. Mounting hole; 21. Screw; 22. Threaded cap. Detailed Implementation

[0025] This application provides an easily adjustable pear tree branch pruner, effectively solving the technical problem that, due to the different hand sizes and finger lengths of each person, those with smaller hands need to overextend their fingers to grip a conventional handle, resulting in excessively long finger-to-fingers, large gaps in force application, poor grip stability, and easy fatigue, thus reducing the comfort of pruning operations.

[0026] Example

[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the technical solution in this application embodiment effectively solves the technical problem that, due to the different hand sizes and finger lengths of each person, people with smaller hands need to overextend their fingers to grip a conventional handle, resulting in an excessively long finger-to-fingertip distance, a large gap in force exertion, poor grip stability, and easy fatigue, thus reducing the comfort of pruning operations. The overall idea is as follows:

[0028] To address the problems existing in the prior art, this utility model provides an easily adjustable pear tree branch trimmer, including two handles 1. Each handle 1 has a gripping mechanism on its exterior. Each gripping mechanism includes a receiving groove 2, a connecting handle 3, a storage groove 4, a rotating shaft 5, and a handle 6. The receiving groove 2 is located on the exterior of the handle 1. The connecting handle 3 is slidably connected to the interior of the receiving groove 2. The storage groove 4 is located on the exterior of the connecting handle 3. The rotating shaft 5 is rotatably connected to the interior of the storage groove 4. The end of the handle 6 is fixedly connected to the exterior of the rotating shaft 5. Each connecting handle 3 has a limiting mechanism at one end corresponding to the handle 6 to restrict the rotation of the handle 6. The limiting mechanism includes a moving groove 7, a limiting groove 8, a limiting block 9, and a first spring 10. The moving groove 7 is located inside the storage groove 4. The limiting groove 8 is located outside the handle 6. The limiting block 9 is slidably connected at both ends to the interiors of the moving groove 7 and the limiting groove 8, respectively. The first spring 10 is fixedly connected to the interior of the moving groove 7 and is used to support the limiting block 9.

[0029] Grip mechanism: The receiving slot 2 provides a sliding track and storage space for the connecting handle 3. The storage slot 4, together with the pivot 5, enables the handle 6 to be rotated and stored. When the handle 6 is upright, it can serve as a vertical force fulcrum. The connecting handle 3 is smaller than the grip 1. Through the partitioned grip design, a refined fit is achieved. People with small hands can directly grip the connecting handle 3, shortening the distance between their fingers and reducing the force gap when gripping, thus improving grip stability. People with large hands can grip the original grip 1, maintaining a natural and comfortable grip posture and avoiding hand fatigue caused by the grip 1 being too narrow. This takes into account the user experience of different people. The handle 6 meets the needs of diverse trimming postures and improves operational flexibility.

[0030] Limiting mechanism: Under the action of the first spring 10, the limiting block 9 is inserted into the limiting groove 8 to fix the angle of the handle 6. The pull plate 16 is pulled out of the limiting groove 8 through the through hole 15, thereby locking and unlocking the rotation of the handle 6, preventing the handle 6 from rotating on its own due to external force during use, and ensuring the stability of the force direction.

[0031] Each receiving slot 2 has an internal slot 17 at both ends, each connecting handle 3 has an insertion rod 18 on its outside, and each insertion rod 18 has an internal block 19 on its outside. The ends of the insertion rod 18 and the internal blocks 19 are slidably connected inside the two internal slots 17 respectively.

[0032] Each connector 3 has an external mounting hole 20. The insert rod 18 is slidably connected inside the mounting hole 20. Each insert rod 18 is fixedly mounted with a screw 21. The internal block 19 is slidably connected to the external of the screw 21. Each screw 21 is threadedly connected with a threaded cap 22 for limiting the position of the internal block 19.

[0033] The insert rod 18 and the built-in block 19 cooperate with the built-in groove 17 to limit the lateral displacement of the connecting rod 3, and the screw 21 passes through the built-in block 19 and is threadedly connected to the threaded cap 22.

[0034] Each handle 3 has a groove 11 on its exterior, and a locking block 12 is slidably connected inside each groove 11. Each handle 1 has two locking holes 13 on the side corresponding to the locking block 12. The locking block 12 communicates with the interior of the receiving groove 2 and is slidably connected inside the locking hole 13. A second spring 14 for supporting the locking block 12 is fixedly connected inside each locking hole 13. The locking block 12 is fixedly connected to the end of the second spring 14. Under the push of the second spring 14, the locking block 12 is inserted into the locking hole 13 to fix the handle 3. Pressing the locking block 12 can make it retract into the groove 11 to release the lock, providing a quick locking function.

[0035] Each connecting piece 3 has a through hole 15 on one side of the corresponding moving groove 7. The through hole 15 communicates with the interior of the moving groove 7. A pull plate 16 is slidably connected inside the through hole 15. The pull plate 16 is fixedly connected to the outside of the limiting block 9. The pull plate 16 facilitates the pulling of the limiting block 9 and improves the convenience of operation.

[0036] Working principle:

[0037] First, when the original grip 1 is not suitable for the user's hand size, pull the connecting handle 3 to move the connecting handle 3 out of the receiving groove 2. When the connecting handle 3 cannot move due to the connection between the built-in block 19, the insert rod 18 and the built-in groove 17, the locking block 12 moves into the lock hole 13 under the support of the second spring 14. At this time, the connecting handle 3 is fixed. This adjustment can adapt to the difference in hand size. Those with small hands hold the connecting handle 3, and those with large hands keep the original grip 1. At this time, pull the pull plate 16 to make the limiting block 9 enter the limiting groove 8. At this time, the handle 6 can be rotated to make the handle 6 stand upright. After releasing the pull plate 16, it moves into the limiting groove 8 under the action of the first spring 10, thereby restricting the rotation of the handle 6. The vertical handle 6 can provide a force fulcrum perpendicular to the grip 1.

[0038] The second step is to remove the connecting handle 3 when it is necessary to disassemble it. Rotate the threaded cap 22 to disengage the threaded cap 22 from the screw 21, and then pull the insert rod 18 to disengage the insert rod 18 from the mounting hole 20. The connecting handle 3 is no longer restricted by the insert rod 18 and the inner block 19. At this time, press the locking block 12 to make the locking block 12 enter the interior of the groove 11. At this time, the connection between the locking block 12 and the locking hole 13 is disengaged. Then pull the connecting handle 3 to disengage the connecting handle 3 from the receiving groove 2. At this time, the connecting handle 3 is disassembled.

[0039] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. An easily adjustable pear tree branch pruning tool, comprising two handles (1), characterized in that, Each of the grips (1) is provided with a gripping mechanism on its exterior. Each gripping mechanism includes a receiving groove (2), a connecting handle (3), a storage groove (4), a rotating shaft (5), and a handle (6). The receiving groove (2) is opened on the exterior of the grip (1). The connecting handle (3) is slidably connected to the interior of the receiving groove (2). The storage groove (4) is opened on the exterior of the connecting handle (3). The rotating shaft (5) is rotatably connected to the interior of the storage groove (4). The end of the handle (6) is fixedly connected to the exterior of the rotating shaft (5). Each connecting handle (3) is provided with a limiting mechanism at one end of the corresponding handle (6) to restrict the rotation of the handle (6). The limiting mechanism includes a moving groove (7), a limiting groove (8), a limiting block (9), and a first spring (10). The moving groove (7) is opened inside the storage groove (4), the limiting groove (8) is opened outside the handle (6), and the limiting block (9) is slidably connected at both ends inside the moving groove (7) and the limiting groove (8). The first spring (10) is fixedly connected inside the moving groove (7) and is used to support the limiting block (9).

2. The easily adjustable pear tree branch pruning tool as described in claim 1, characterized in that, Each of the connecting handles (3) is provided with a locking block (12) on its exterior, and each handle (1) has two lock holes (13) on one side corresponding to the locking block (12); The locking block (12) is slidably connected inside the lock hole (13).

3. The easily adjustable pear tree branch pruning tool as described in claim 1, characterized in that, Each of the connecting handles (3) has a groove (11) on its exterior; The locking block (12) is slidably connected inside the groove (11).

4. The easily adjustable pear tree branch pruning tool as described in claim 3, characterized in that, Each of the grooves (11) is fixedly connected to a second spring (14) for supporting the locking block (12); The locking block (12) is fixedly connected to the end of the second spring (14).

5. The easily adjustable pear tree branch pruning tool as described in claim 1, characterized in that, Each of the connecting handles (3) has a through hole (15) on one side corresponding to the moving groove (7), and a pull plate (16) is slidably connected inside the through hole (15); The pull plate (16) is fixedly connected to the outside of the limiting block (9).

6. The easily adjustable pear tree branch pruning tool as described in claim 1, characterized in that, Each of the receiving slots (2) has an internal slot (17) at both ends, each connecting handle (3) has an insert rod (18) on its outside, and each insert rod (18) has an internal block (19) on its outside. The end of the insertion rod (18) and the built-in block (19) are slidably connected inside the two built-in slots (17).

7. The easily adjustable pear tree branch pruning tool as described in claim 1, characterized in that, Each of the connecting handles (3) has a mounting hole (20) on its exterior; The insertion rod (18) is slidably connected inside the mounting hole (20).

8. The easily adjustable pear tree branch pruning tool as described in claim 6, characterized in that, Each of the inserts (18) is fixedly mounted with a screw (21) on its exterior, and an internal block (19) is slidably connected to the exterior of the screw (21). Each screw (21) is threadedly connected to the exterior of a threaded cap (22) for limiting the position of the internal block (19).