Shaddock thinning pliers

CN224805564UActive Publication Date: 2026-09-29POMOLOGY RES INST FUJIAN ACAD OF AGRI SCI
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Patent Information

Application Number
CN202522421516.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-14
Publication Date
2026-09-29
Estimated Expiration
2035-11-14

AI Technical Summary

Technical Problem

[0004]针对现有技术的不足,本实用新型提供了一种文旦柚疏果钳,解决了上述背景技术中提出的现有文旦柚疏果钳多为固定长度设计,无法适配不同树龄、不同生长环境下果树的高度差异,以及同一果树低枝、中枝、高枝不同位置的果实分布问题

Benefits of technology

[0013]1.本实用新型通过活动组件的设置,推控制板,带动滑动杆沿固定轴滑动,压缩固定弹簧,同时经连接轴带插板外移脱离固定板的凹槽,解除加长板滑动限制。控制板滑接加长板内,确保滑动杆轨迹稳定,防插板偏移。握弧形手柄拉加长板远离杆体,加长板沿杆体滑动,齿板顺滑槽伸出,延长杆体。弧形手柄降手部疲劳,适配后松控制板,固定弹簧推插板插回对应凹槽初步定位,多组凹槽满足多场景疏果,提高效率与便捷性。

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Abstract

This utility model relates to the field of agricultural production technology, specifically a pomelo thinning plier, including a plier body, a rod mounted on the surface of the plier body, and a reset spring mounted on the inner side of the rod; it also includes a movable component for adjusting the length of the rod; and a fixed component for restricting the rod after adjustment. Through the movable component, pushing the control plate causes the sliding rod to slide along the fixed axis, compressing the fixed spring, and simultaneously causing the insert plate to move outward and disengage from the groove of the fixed plate via the connecting shaft, releasing the sliding restriction of the extension plate. The control plate slides into the extension plate to ensure the stability of the sliding rod's trajectory and prevent the insert plate from shifting. Holding the arc-shaped handle and pulling the extension plate away from the rod causes the extension plate to slide along the rod, with the toothed plate extending along the groove, lengthening the rod. The arc-shaped handle reduces hand fatigue; after adjustment, releasing the control plate causes the fixed spring to push the insert plate back into the corresponding groove for initial positioning. Multiple sets of grooves meet the needs of various thinning scenarios, improving efficiency and convenience.
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Description

Technical Field

[0001] This utility model relates to the field of agricultural production technology, specifically a pomelo fruit thinning clamp. Background Technology

[0002] In the pomelo cultivation industry, fruit thinning is a crucial step in ensuring fruit quality and yield—removing overly dense, weak, or deformed fruits to provide sufficient nutrients and growing space for healthy fruits. Pomelo trees are mostly arborescent, typically reaching 1.5 to 3 meters in height, with fruits distributed on branches at varying heights. Thinning requires the use of thinning pliers to cut the stems of fruits at higher elevations. Therefore, the adaptability of the pliers' shaft length and ease of operation directly impacts thinning efficiency and the user experience. However, existing pomelo thinning pliers still suffer from technical drawbacks in practical application, such as fixed shaft length, inconvenient adjustment, and operator fatigue, making it difficult to meet the diverse needs of fruit thinning scenarios.

[0003] Most existing fruit thinning pliers are designed with a fixed length, which cannot adapt to the different heights of pomelo trees and the distribution of fruit. During the cultivation of pomelo, the height of trees of different ages and growing environments varies significantly, and the fruit on the same tree is distributed in different positions such as low branches, medium branches, and high branches. When dealing with high-branch fruit, fixed-length fruit thinning pliers require operators to use ladders to climb, which not only increases the risk of falls but also easily leads to deformed fruit thinning movements due to climbing, resulting in the accidental cutting of healthy fruit or damage to branches. When dealing with low-branch fruit, the excessively long pliers create operational redundancy, reduce the flexibility of fruit thinning, and cannot quickly adapt to the needs of fruit thinning at different heights, thus reducing the efficiency and convenience of the work. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a pomelo fruit thinning clamp, which solves the problem mentioned in the background art that existing pomelo fruit thinning clamps are mostly designed with a fixed length, which cannot adapt to the height differences of fruit trees of different ages and growing environments, as well as the distribution of fruits at different positions on low, medium, and high branches of the same fruit tree.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a pomelo fruit thinning plier, comprising a plier body, a rod mounted on the surface of the plier body, and a reset spring mounted on the inner side of the rod; further comprising a movable component for adjusting the length of the rod; and a fixed component for restricting the rod after adjustment; the movable component comprises: an extension plate slidably connected to the surface of the rod, an arc-shaped handle mounted on the outer side of the extension plate, a fixed shaft fixedly mounted on the outer side of the extension plate, a sliding rod penetrating through the fixed shaft, a control plate mounted on the inner side of the sliding rod, the control plate slidably connected to the inside of the extension plate, a connecting shaft mounted on the outer side of the sliding rod, an insert plate mounted on the inner side of the connecting shaft, a fixed plate mounted on the top of the extension plate, and multiple sets of grooves formed on the outer side of the fixed plate, with the insert plate inserted into the grooves.

[0006] Preferably, a fixing spring is mounted on the surface of the sliding rod, and the fixing spring is mounted on the outer wall of the fixing shaft.

[0007] Preferably, the fixing component includes: a movable plate, which is hinged to the inner side of the fixing plate, and an insert is installed at the bottom of the movable plate.

[0008] Preferably, a spiral spring is installed on the outer side of the movable plate, and the spiral spring is installed on the inner side of the movable plate.

[0009] Preferably, a toothed plate is installed on the inner side of the extension plate, the toothed plate penetrates the interior of the rod, and the insert is inserted into the top of the toothed plate.

[0010] Preferably, the outer side of the rod body is provided with a sliding groove, the top of the fixing plate is provided with a square groove, and the cross-section of the insert is triangular.

[0011] Preferably, the active components are provided in two sets, and both sets of active components are symmetrically arranged with the center line of the clamp body as the axis of symmetry.

[0012] As can be seen from the above technical solutions, the pomelo fruit thinning pliers provided in the embodiments of this specification have at least the following beneficial effects:

[0013] 1. This utility model, through the setting of movable components, pushes the control plate, causing the sliding rod to slide along the fixed axis, compressing the fixed spring. Simultaneously, the connecting shaft moves the insert plate outward, disengaging it from the groove of the fixed plate, thus releasing the sliding restriction of the extension plate. The control plate slides into the extension plate, ensuring the stability of the sliding rod's trajectory and preventing the insert plate from shifting. Holding the arc-shaped handle and pulling the extension plate away from the rod causes the extension plate to slide along the rod, with the toothed plate extending along the groove, lengthening the rod. The arc-shaped handle reduces hand fatigue. After fitting, releasing the control plate allows the fixed spring to push the insert plate back into the corresponding groove for initial positioning. Multiple sets of grooves meet the needs of various scenarios, improving efficiency and convenience.

[0014] 2. This utility model, through the setting of the fixing components, allows the toothed plate to slide synchronously when the extension plate moves, with its toothed groove pushing the insert upwards. The movable plate rotates around the hinge point and pulls the spiral spring. After the extension plate stops moving, the spiral spring resets, bringing the movable plate back into the toothed groove of the toothed plate. The triangular insert locks the toothed groove to prevent the extension plate from shrinking inwards. The insert and toothed plate, along with the insert plate and groove, form a double locking mechanism to prevent loosening. The sliding groove guide plate prevents offset, ensuring precise docking of the insert, guaranteeing the locking effect, and improving the safety of the device. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of the present invention, form part of this application:

[0016] Figure 1 This is a schematic diagram of the overall front view of the present invention;

[0017] Figure 2 This is a schematic diagram of the overall lengthened structure of this utility model;

[0018] Figure 3 This is a front view structural diagram of the movable component in this utility model;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the rod body in this utility model;

[0020] Figure 5 This is a front view structural diagram of the fixing component in this utility model.

[0021] In the diagram: 1. Clamp body; 2. Rod body; 20. Slide groove; 3. Reset spring; 4. Movable assembly; 41. Extension plate; 42. Arc-shaped handle; 43. Fixed shaft; 44. Sliding rod; 45. Control board; 46. Connecting shaft; 47. Insert plate; 48. Fixed plate; 480. Square groove; 49. Groove; 410. Fixed spring; 5. Fixed assembly; 51. Movable plate; 52. Insert bar; 53. Spiral spring; 54. Toothed plate. Detailed Implementation

[0022] 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.

[0023] Example 1

[0024] Please see Figure 1 - Figure 4As shown, a pomelo fruit thinning plier includes a plier body 1, a rod body 2 mounted on the surface of the plier body 1, and a reset spring 3 mounted on the inner side of the rod body 2.

[0025] It also includes a movable component 4 for length adjustment of the rod 2;

[0026] Fixing component 5 is used to restrict the rod 2 after adjustment;

[0027] First, the active component 4 includes: an extension plate 41, which is slidably connected to the surface of the rod 2. An arc-shaped handle 42 is installed on the outer side of the extension plate 41. A fixed shaft 43 is fixedly installed on the outer side of the extension plate 41. A sliding rod 44 passes through the inside of the fixed shaft 43. A control plate 45 is installed on the inner side of the sliding rod 44 and is slidably connected to the inside of the extension plate 41. A connecting shaft 46 is installed on the outer side of the sliding rod 44. An insert plate 47 is installed on the inner side of the connecting shaft 46. A fixed plate 48 is installed on the top of the extension plate 41. Multiple sets of grooves 49 are opened on the outer side of the fixed plate 48. The insert plate 47 is inserted into the grooves 49. Through the sliding connection between the extension plate 41 and the rod 2, and in conjunction with the sliding rod 44 and the connecting shaft 46, the insert plate 47 is driven to insert and disengage from the grooves 49 of the fixed plate 48, thereby realizing the flexible adjustment of the length of the rod 2.

[0028] Secondly, a fixing spring 410 is installed on the surface of the sliding rod 44. The fixing spring 410 is installed on the outer wall of the fixing shaft 43. By installing the fixing spring 410 on the surface of the sliding rod 44, the effect of resetting the sliding rod 44 after it moves can be achieved.

[0029] In this embodiment, by setting up the active component 4, pushing the control plate 45 causes the sliding rod 44 to slide along the fixed shaft 43, compressing the fixed spring 410. Simultaneously, the connecting shaft 46 moves the insert plate 47 outward, disengaging it from the groove 49 of the fixed plate 48, thus releasing the sliding restriction of the extension plate 41. The control plate 45 slides into the extension plate 41, ensuring the stability of the sliding rod 44's trajectory and preventing the insert plate 47 from shifting. Holding the arc-shaped handle 42 pulls the extension plate 41 away from the rod 2, causing the extension plate 41 to slide along the rod 2. The toothed plate 54 extends along the sliding groove 20, extending the rod 2. The arc-shaped handle 42 reduces hand fatigue. After fitting, releasing the control plate 45 causes the fixed spring 410 to push the insert plate 47 back into the corresponding groove 49 for initial positioning. Multiple sets of grooves 49 meet the needs of various scenarios for fruit sorting, improving efficiency and convenience.

[0030] Example 2

[0031] Please see Figure 5 As shown, the fixing component 5 includes: a movable plate 51, which is hinged to the inner side of the fixing plate 48, and an insert 52 is installed at the bottom of the movable plate 51.

[0032] Furthermore, a spiral spring 53 is installed on the outer side of the movable plate 51, and the spiral spring 53 is installed on the inner side of the movable plate 51. A toothed plate 54 is installed on the inner side of the extension plate 41. The toothed plate 54 penetrates the interior of the rod body 2. The insert 52 is inserted into the top of the toothed plate 54. Through the elastic reset characteristic of the spiral spring 53, the movable plate 51 is automatically reset after the extension plate 41 stops moving, so that the insert 52 can be quickly inserted into the toothed groove of the toothed plate 54 without manual adjustment of the position of the movable plate 51, thus improving the locking efficiency of the fixing component 5.

[0033] A groove 20 is provided on the outer side of the rod body 2. The groove 20 on the outer side of the rod body 2 provides a dedicated trajectory for the sliding of the toothed plate 54, so that the toothed plate 54 can move in a fixed direction and avoid the toothed plate 54 from deviating, which would cause the extension plate 41 to slide and get stuck or damaged. A square groove 480 is provided on the top of the fixed plate 48. The square groove 480 on the top of the fixed plate 48 provides installation and rotation space for the movable plate 51, so that the movable plate 51 can swing flexibly and ensure that the insert 52 smoothly connects to the toothed plate 54. The cross-section of the insert 52 is triangular. The triangular structure of the cross-section of the insert 52 enhances the clamping force between the insert 52 and the tooth groove of the toothed plate 54 by utilizing the anti-slip properties of the triangle, so that the insert 52 is not easy to get out after locking, and improves the locking reliability of the fixed component 5.

[0034] The movable component 4 is provided in two sets, and both sets of movable components 4 are symmetrically arranged with the center line of the clamp body 1 as the axis of symmetry. By adjusting the length of the rods 2 on both sides of the clamp body 1 through the two sets of symmetrical movable components 4, the rods 2 on both sides can be extended and retracted synchronously, avoiding the problem of the clamp body 1 being unbalanced due to unilateral adjustment and the clamp body 1 tilting during fruit thinning.

[0035] In this embodiment, by setting the fixing component 5, when the extension plate 41 moves, the toothed plate 54 slides synchronously, and its toothed groove pushes the insert 52 upward. The movable plate 51 rotates around the hinge point and pulls the spiral spring 53. After the extension plate 41 stops moving, the spiral spring 53 returns to its original position, bringing the movable plate 51 back into the toothed groove of the toothed plate 54. The triangular insert 52 locks the toothed groove to prevent the extension plate 41 from shrinking inward. The insert 52 and the toothed plate 54, together with the insert plate 47 and the groove 49, form a double locking mechanism to prevent loosening. The guide toothed plate 54 of the sliding groove 20 prevents deviation, ensuring that the insert 52 is accurately connected, guaranteeing the locking effect, and improving the safety of the device.

[0036] The pomelo thinning pliers of this utility model use the pliers body 1 as the core operating component. The length of the rod body 2 can be flexibly adjusted through the movable component 4. The fixed component 5 is used to stably lock the adjusted rod body 2. At the same time, the reset spring 3 is used to ensure that the pliers body 1 is reset when opening and closing. This meets the needs of thinning pomelos of different heights and spacings, and ensures that the thinning operation is convenient and efficient.

[0037] When the device is not in use, it is in a standby state: the rod 2 and the extension plate 41 are in a retracted and fitted state, and the toothed plate 54 on the inner side of the extension plate 41 extends through the interior of the rod 2; in the movable component 4, the fixed spring 410 is in a naturally extended state, pushing the sliding rod 44 to drive the insert plate 47 to insert into the groove 49 on the outer side of the fixed plate 48, restricting the extension plate 41 from sliding freely; in the fixed component 5, the spiral spring 53 is in a natural state, driving the insert strip 52 at the bottom of the movable plate 51 to insert into the toothed groove at the top of the toothed plate 54, further... The connection between the extension plate 41 and the pole 2 is reinforced; the reset spring 3 is in a naturally open state, and the support clamp 1 is kept in a moderately open and closed state. At this time, the length of the pole 2 can be adjusted according to the height of the pomelo tree and the spacing between the fruits. When it is necessary to adjust the length of the pole 2 according to the growth position of the pomelo, the control plate 45 is pushed. The control plate 45 drives the sliding rod 44 to slide along the inside of the fixed shaft 43. The sliding rod 44 compresses the fixed spring 410 on the surface, and at the same time, it drives the insert plate 47 to move outward through the connecting shaft 46, so that the insert plate 47 is disengaged from the fixed plate 48. The groove 49 releases the sliding restriction on the extension plate 41; the control plate 45 is slidably connected inside the extension plate 41, which can ensure the stability of the sliding rod 44's movement trajectory and prevent the insert plate 47 from shifting and failing to disengage from the groove 49. Holding the arc-shaped handle 42 on the outside of the extension plate 41, pull the extension plate 41 away from the rod body 2. The extension plate 41 slides along the surface of the rod body 2, and its inner toothed plate 54 simultaneously slides along the sliding groove 20 on the outside of the rod body 2 and gradually extends out of the rod body 2, realizing the extension of the overall length of the rod body 2; the arc-shaped handle 42... The curved design fits the hand's grip curve, reducing hand fatigue during pulling and improving ease of operation. After the length of the rod 2 is adapted to the pomelos' fruit thinning height, the control plate 45 is released, the fixed spring 410 releases its elasticity, and pushes the sliding rod 44 to slide in the opposite direction, causing the insert plate 47 to be re-inserted into the corresponding groove 49 of the fixed plate 48, thus initially positioning the extension plate 41. The multiple sets of grooves 49 on the outside of the fixed plate 48 can correspond to different extension lengths of the extension plate 41, meeting the fruit thinning needs of various scenarios and improving ease of operation and efficiency.

[0038] After the movable component 4 completes the length adjustment of the rod 2, the fixed component 5 simultaneously achieves a secondary locking to ensure that the rod 2 does not slide during the thinning process. When the extension plate 41 moves, the toothed plate 54 on its inner side slides synchronously. The toothed groove at the top of the toothed plate 54 pushes the insert 52 at the bottom of the movable plate 51 to swing upward. The movable plate 51 rotates around the hinge point and stretches the spiral spring 53. When the extension plate 41 stops moving, the spiral spring 53 releases its elasticity, driving the movable plate 51 to reset, so that the insert 52 is re-inserted into the corresponding tooth of the toothed plate 54. Inside the groove, the triangular cross-section of the insert 52 clamps the toothed groove, preventing the extension plate 41 from shrinking inward due to gravity or external operating force. The cooperation between the insert 52 and the toothed plate 54, along with the insertion of the insert plate 47 and the groove 49 in the movable component 4, forms a "double locking" structure, solving the problem of easy loosening of single locking. At the same time, the sliding groove 20 of the rod 2 provides guidance for the toothed plate 54, preventing the toothed plate 54 from shifting when sliding, ensuring that the insert 52 is always accurately aligned with the toothed groove, guaranteeing the locking effect, and improving the safety of the device.

[0039] After the length of the rod 2 is locked, the operator holds the rod 2 and the arc-shaped handle 42, aligns the clamp 1 with the target pomelo fruit stem to be thinned, and squeezes the rod 2 forcefully. The rod 2 drives the clamp 1 to close, cutting off the fruit stem and completing the thinning. The reset spring 3 is compressed when the clamp 1 is closed, storing the reset spring force. After the rod 2 is released, the reset spring 3 releases the spring force, pushing the clamp 1 to automatically open and reset, facilitating the next thinning operation. If it is necessary to adjust the thinning position, repeat the operation of the above-mentioned moving component 4 and fixing component 5 to adjust the length of the rod 2.

[0040] The above embodiments are only used to illustrate the present utility model, and are not intended to limit the present utility model. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, all equivalent technical solutions also fall within the scope of the present utility model. The patent protection scope of the present utility model should be defined by the claims.

Claims

1. A pomelo fruit thinning clamp, comprising a clamp body (1), characterized in that: A rod (2) is mounted on the surface of the clamp (1), and a reset spring (3) is mounted on the inner side of the rod (2). It also includes a movable component (4) for length adjustment of the rod (2); Fixing component (5) is used to restrict the rod (2) after adjustment; The active component (4) includes: an extension plate (41) which is slidably connected to the surface of the rod (2), an arc-shaped handle (42) installed on the outside of the extension plate (41), a fixed shaft (43) fixedly installed on the outside of the extension plate (41), a sliding rod (44) passing through the inside of the fixed shaft (43), a control plate (45) installed on the inside of the sliding rod (44), the control plate (45) slidably connected to the inside of the extension plate (41), a connecting shaft (46) installed on the outside of the sliding rod (44), an insert plate (47) installed on the inside of the connecting shaft (46), a fixed plate (48) installed on the top of the extension plate (41), and multiple sets of grooves (49) opened on the outside of the fixed plate (48), with the insert plate (47) inserted into the inside of the grooves (49).

2. The pomelo fruit thinning pliers according to claim 1, characterized in that: A fixing spring (410) is mounted on the surface of the sliding rod (44), and the fixing spring (410) is mounted on the outer wall of the fixing shaft (43).

3. The pomelo fruit thinning pliers according to claim 2, characterized in that: The fixing component (5) includes: a movable plate (51) hinged to the inside of the fixing plate (48), and an insert (52) installed at the bottom of the movable plate (51).

4. The pomelo fruit thinning pliers according to claim 3, characterized in that: A spiral spring (53) is installed on the outside of the movable plate (51), and the spiral spring (53) is installed on the inside of the movable plate (51).

5. A pomelo fruit thinning pliers according to claim 3, characterized in that: The extension plate (41) is fitted with a toothed plate (54) on its inner side. The toothed plate (54) penetrates the interior of the rod body (2), and the insert (52) is inserted into the top of the toothed plate (54).

6. A pomelo fruit thinning clamp according to claim 3, characterized in that: The rod (2) has a sliding groove (20) on its outer side, the fixing plate (48) has a square groove (480) on its top, and the insert (52) has a triangular cross-section.

7. A pomelo fruit thinning clamp according to claim 1, characterized in that: The active component (4) is provided in two sets, and both sets of the active component (4) are symmetrically arranged with the center line of the clamp body (1) as the axis of symmetry.