Mulberry fruit picking tool

CN224818782UActive Publication Date: 2026-10-09CANGZHOU ACAD OF AGRI & FORESTRY SCI +1
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Patent Information

Application Number
CN202522455249.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-19
Publication Date
2026-10-09
Estimated Expiration
2035-11-19

AI Technical Summary

Technical Problem

但桑椹果皮薄、果肉柔软,果柄与枝条连接强度低(成熟果实果柄抗拉强度仅0.8-1.2N),采摘过程中极易发生脱落、挤压损伤,导致商品果率大幅下降,目前桑椹采摘主要依赖人工徒手采摘或简易工具辅助(如剪刀、普通采摘篮),存在以下技术缺陷:人工采摘时需直接拉扯果实,易造成果柄断裂脱落,且采摘后果实易从工具间隙掉落;普通采摘工具缺乏针对性的防脱落结构,果实在收集过程中因碰撞、掉落导致损伤率较高,为此,需要设计新的技术方案给予解决

Benefits of technology

[0011]与现有技术相比,本实用新型的有益效果是:该一种桑椹果实防脱落采摘工具的设置,结构设计合理;

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mulberry fruit real anti -drop picking tool, including picking handle, the inner wall of picking handle is seted up with the storage cavity, the inside assembly of storage cavity has mulberry anti -drop mechanism, mulberry anti -drop mechanism includes the limiting ring a and limiting ring b of setting up in the storage cavity inside and upside down, be provided with the protective net between limiting ring a and limiting ring b, the inside of protective net is provided with fruit storage bag, the upper end of limiting ring a is provided with fixed ring, the bag mouth edge of fruit storage bag is turned over and is connected in the outside of limiting ring a, the fixed ring is embedded in the upper end of limiting ring a, through picking handle inside integrated protective net and the double -layer anti -drop structure of fruit storage bag, protective net can block the fruit splashing in the picking process, and fruit storage bag directly receives the fruit after picking, avoids the fruit and tool inner wall collision or drop ground.
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Description

Technical Field

[0001] This utility model relates to the field of harvesting tools, specifically a mulberry fruit harvesting tool to prevent fruit from falling off. Background Technology

[0002] Mulberry fruit is rich in anthocyanins, vitamins, and other nutrients, making it an economic crop with both edible and medicinal value. However, mulberry fruit has a thin skin, soft flesh, and low connection strength between the fruit stalk and branch (the tensile strength of a mature fruit stalk is only 0.8-1.2N), making it extremely prone to falling off and being crushed during harvesting, resulting in a significant decrease in the marketable fruit rate. Currently, mulberry harvesting mainly relies on manual picking or simple tools (such as scissors and ordinary picking baskets), which has the following technical drawbacks: manual picking requires directly pulling the fruit, which easily causes the fruit stalk to break and fall off, and the fruit is also prone to falling through the gaps in the tools after picking; ordinary picking tools lack specific anti-fall-off structures, resulting in a high damage rate of fruit due to collisions and falling during collection. Therefore, new technical solutions need to be designed to address these issues. Utility Model Content

[0003] The purpose of this utility model is to provide a mulberry fruit picking tool to prevent fruit from falling off, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a mulberry fruit anti-drop picking tool, including a picking handle, a storage cavity formed on the inner wall of the picking handle, a mulberry anti-drop mechanism assembled inside the storage cavity, the mulberry anti-drop mechanism including a limiting ring a and a limiting ring b installed vertically inside the storage cavity; a protective net is provided between the limiting ring a and the limiting ring b, a fruit storage bag is provided inside the protective net, a fixing ring is provided at the upper end of the limiting ring a, the edge of the fruit storage bag is turned outward and fitted onto the outside of the limiting ring a, the fixing ring is embedded in the upper end of the limiting ring a, fruit picking teeth are evenly and equidistantly installed from left to right at the top of the picking handle, a fruit picking opening is provided between two adjacent fruit picking teeth, and the outer wall of the fruit picking teeth is provided with an inclined surface.

[0005] As a preferred embodiment of the mulberry fruit anti-drop picking tool of this utility model, the top surface of the limiting ring a has slots on both sides, and the bottom surface of the fixing ring has blocks on both sides. The ends of the blocks abut against the edge of the fruit storage bag opening and are engaged in the slots.

[0006] As a preferred embodiment of the mulberry fruit anti-drop picking tool of this utility model, the left and right side walls of the card block are provided with inclined convex surfaces, and the inner side walls of the card slot are provided with inclined concave surfaces, and the inclined convex surfaces and inclined concave surfaces cooperate with each other.

[0007] As a preferred embodiment of the mulberry fruit anti-drop picking tool of this utility model, the card block has a filling cavity inside, an elastic element is installed inside the filling cavity, and the end of the card block is provided with an arc surface.

[0008] As a preferred embodiment of the mulberry fruit anti-drop picking tool of this utility model, the outer walls of the limiting ring a and the limiting ring b are equipped with a bearing plate, and the end of the bearing plate is connected to the inner wall of the receiving cavity.

[0009] As a preferred embodiment of the mulberry fruit picking tool of this utility model, a finger groove is provided on the upper end of the outer wall of the picking handle, and a protective pad is provided inside the finger groove.

[0010] As a preferred embodiment of the mulberry fruit picking tool of this utility model, a palm groove is provided at the lower end of the outer wall of the picking handle, and a restraining strap is installed on both sides of the palm groove on the outer wall of the picking handle.

[0011] Compared with the prior art, the beneficial effects of this utility model are: the design of this mulberry fruit anti-drop picking tool is reasonable. The harvesting handle features a double-layer anti-drop structure integrating a protective net and a fruit collection bag. The protective net prevents fruit from splashing during harvesting, while the fruit collection bag directly catches the harvested fruit, preventing it from colliding with the inner wall of the tool or falling to the ground. The bag opening is securely fixed by a fixing ring and a limiting ring a, further preventing the fruit from falling out of the bag opening and reducing the fruit damage rate to below 5%.

[0012] The inclined structure on the outer wall of the picking tooth plate guides the fruit stalk to slide along the inclined surface and accurately embed into the picking opening, achieving flexible separation of the fruit stalk from the branch, avoiding the fruit stalk from breaking and falling off due to direct pulling, and improving the integrity of picking mature fruits. Attached Figure Description

[0013] Figure 1 This is a front-view three-dimensional structural schematic diagram of the present invention; Figure 2 This is a rear-view three-dimensional structural diagram of the present invention; Figure 3 This is a schematic diagram of the mulberry anti-drop mechanism of this utility model; Figure 4 This is a schematic diagram of the card block and card slot of this utility model.

[0014] In the diagram: 1. Picking handle; 2. Mulberry anti-drop mechanism; 3. Inclined surface; 4. Fruit picking opening; 5. Fruit picking tooth plate; 6. Palm groove; 7. Finger groove; 8. Protective padding layer; 9. Restraint strap; 10. Filling cavity; 11. Inclined concave surface; 12. Fruit storage bag; 13. Limiting ring b; 14. Limiting ring b; 15. Protective net; 16. Fixing ring; 17. Bearing plate; 18. Locking block; 19. Locking groove; 20. Filling cavity; 21. Elastic element; 22. Arc surface; 23. Inclined convex surface. Detailed Implementation

[0015] 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.

[0016] Please see Figure 1-4 This utility model provides a technical solution: In this technical solution, a mulberry fruit anti-drop picking tool includes a picking handle 1. The inner wall of the picking handle 1 has a storage cavity 10. The storage cavity 10 is equipped with a mulberry anti-drop mechanism 2. The mulberry anti-drop mechanism 2 includes a limiting ring a14 and a limiting ring b13 installed vertically inside the storage cavity 10. A protective net 15 is provided between the limiting ring a14 and the limiting ring b13. A fruit storage bag 12 is provided inside the protective net 15. A fixing ring 16 is provided at the upper end of the limiting ring a14. The edge of the bag opening of the fruit storage bag 12 is turned outward and fitted onto the outside of the limiting ring a14. The fixing ring 16 is embedded in the upper end of the limiting ring a14. Fruit picking teeth 5 are evenly and equidistantly installed from left to right on the top of the picking handle 1. A fruit picking opening 4 is provided between two adjacent fruit picking teeth 5. The outer wall of the fruit picking teeth 4 is provided with an inclined surface 3.

[0017] In the specific implementation process, the picking handle 1 is preferably made of lightweight ABS engineering plastic through one-piece injection molding, which is convenient for one-handed operation. The storage cavity 10 is a cylindrical cavity, and the upper end of the storage cavity 10 is connected to the top of the picking handle 1, ensuring that the picked fruit can fall directly into the storage bag. The limiting rings a14 and b13 are both made of rigid PP plastic, and their outer diameter is fitted with the inner wall of the storage cavity 10 to provide stable support space for the protective net 15 and the storage bag 12. The protective net 15 is made of high-elasticity nylon mesh, and its four sides are fixedly connected to the inner wall of the limiting rings a14 and b13 through a hot pressing process to form a ring-shaped protective barrier, which can prevent the fruit from splashing to both sides during picking, while not affecting the vertical fall of the fruit; the elastic design of the protective net 15 can buffer the impact force when the fruit falls and reduce skin damage. The fruit storage bag 12 is made of food-grade non-woven fabric, which is soft and breathable, preventing the fruit from spoiling due to heat. The width of the bag opening edge turned outward is 15-20mm to ensure the contact area with the limiting ring a14 and prevent the bag opening from slipping off.

[0018] The fixing ring 16 is a ring structure with its inner diameter interlocking with the outer diameter of the limiting ring a14. Made of rigid PVC, it features anti-slip textures on its inner side. After being fitted onto the upper end of the limiting ring a14, it tightly presses against the flip-top opening of the storage bag 12, achieving double fixation and preventing fruit from falling through the gaps in the bag opening. The fruit picking tooth plate 5 is made of food-grade 304 stainless steel, with rounded corners at the top to prevent scratching branches and fruit. The spacing between adjacent tooth plates is 15-20mm, matching the 3-5mm diameter of the mulberry fruit stalk, ensuring that the picking opening 4 can accurately hold the stalk. The inclined surface 3 is located on the outer side of the picking tooth plate 5, with a polished surface. During picking, the inclined surface guides the stalk to slide along the surface and embed into the picking opening 4. Using leverage, the stalk can be gently pried apart from the branch, avoiding direct pulling that could cause the fruit to fall off.

[0019] In some technical solutions, the top surface of the limiting ring a14 is provided with slots 19 on both sides, and the bottom surface of the fixing ring 16 is provided with blocks 18 on both sides. The ends of the blocks 18 abut against the edge of the opening of the fruit storage bag 12 and are engaged in the slots 19.

[0020] In the specific implementation process, the slots 19 are symmetrically distributed on both sides of the top surface of the limiting ring a14. The inner wall of the slot is smooth and without sharp edges, which facilitates the smooth insertion of the locking block 18. The bottom of the slot 19 is provided with a positioning platform, which can limit the insertion depth of the locking block 18 and ensure that the fixing ring 16 is flush with the top surface of the limiting ring a14 after installation. The locking block 18 is a cuboid structure, integrally injection molded with the bottom surface of the fixing ring 16, and the material is the same as that of the fixing ring. The contact area between the end of the locking block 18 and the edge of the bag opening of the storage bag 12 is ≥100mm². The edge of the bag opening is fixed in the slot 19 by the clamping force. Compared with the simple embedding structure, the fixation is more secure and can withstand the weight of 1-1.5kg of fruit in the storage bag without loosening. During installation, first turn the opening of the storage bag 12 outward and place it over the outside of the limiting ring a14, so that the turned edge completely covers the top surface of the limiting ring a14. Then, align the locking block 18 of the fixing ring 16 with the locking groove 19 and press it vertically until the end of the locking block is pressed against the bottom of the locking groove. At this time, the opening of the storage bag is tightly clamped between the locking block and the locking groove, achieving a sealed fixation and effectively preventing the fruit from falling out of the bag opening.

[0021] In some technical solutions, the left and right side walls of the card block 18 are provided with inclined convex surfaces 23, and the inner walls of both sides of the card slot 19 are provided with inclined concave surfaces 11, with the inclined convex surfaces 23 and the inclined concave surfaces 11 cooperating with each other.

[0022] In practice, the convex surface 23 is formed on the left and right side walls of the locking block 18, and its surface is smooth. The concave surface 11 is formed on the inner side walls of the slot 19, and its inclination angle and shape are perfectly matched with the convex surface 23 to form a wedge-shaped fit structure. When the fixing ring 16 is pressed, the convex surface 23 slides along the concave surface 11, generating a guiding effect, so that the locking block 18 can be quickly and accurately locked into the slot 19. At the same time, the self-locking characteristic of the wedge structure can prevent the locking block from accidentally coming out. After locking, the convex surface and the concave surface fit tightly together, enhancing the locking tightness. Even if the handle is shaken violently during picking, the fixing ring will not loosen. When disassembling, simply hold the fixing ring 16 and pull it upwards. A separation force is generated between the convex surface and the concave surface. The guiding effect of the wedge structure can help the locking block get out of the slot. The operation is convenient and does not require additional tools, making it easy to quickly remove the fruit from the storage bag or clean the storage bag.

[0023] In some technical solutions, the card block 18 has a filling cavity 20 inside, an elastic element 21 is installed inside the filling cavity 20, and the end of the card block 18 is provided with an arc surface 22.

[0024] In practical implementation, the filling cavity 20 is a cylindrical cavity opened inside the locking block 18, located at the center of the locking block, used to install the elastic element 21. The elastic element 21 is a cylindrical compression spring made of stainless steel. The two ends of the spring abut against the bottom of the filling cavity 20 and the inner wall of the end of the locking block 18, respectively, and are in a pre-compressed state. When the locking block 18 is inserted into the locking groove 19, the spring is further compressed, generating an elastic restoring force, which pushes the inclined convex surface 23 of the locking block to fit tightly against the inclined concave surface 11 of the locking groove, eliminating the fitting gap and further enhancing the locking stability. During disassembly, the elastic force of the spring can assist the locking block to pop outward, reducing the force required to pull the fixing ring, making disassembly and assembly easier. The arc surface 22 is set at the lower end of the locking block 18, which can prevent the sharp end of the locking block from scratching the edge of the bag opening of the storage bag 12, while reducing the resistance when the locking block is inserted into the locking groove, preventing the bag opening from being damaged due to friction, and extending the service life of the storage bag.

[0025] In some technical solutions, a support plate 17 is installed on the outer wall of the limiting ring a14 and the limiting ring b13, and the end of the support plate 17 is connected to the inner wall of the receiving cavity 10.

[0026] In the specific implementation process, the bearing plate 17 is made of the same rigid PP plastic as the limiting ring, and is integrally injection molded with the limiting ring a14 and the limiting ring b13 to ensure the integrity of the structure.

[0027] In some technical solutions, a finger groove 7 is provided on the upper part of the outer wall of the picking handle 1, and a protective pad 8 is provided inside the finger groove 7.

[0028] In the specific implementation process, three finger grooves 7 are opened on the upper part of the outer wall of the picking handle 1, respectively adapted to the index, middle and ring fingers of an adult. The grooves are arc-shaped to fit the natural curvature of the fingers. The protective pad 8 is made of food-grade silicone material. The protective pad 8 is embedded in the finger groove 7 through the slot, which is firmly installed and can be removed and replaced. The softness of the silicone material can distribute the grip pressure of the fingers and avoid finger soreness and pressure pain caused by long-term operation. The anti-slip texture can effectively prevent slippage when the hands are sweaty, ensure the stability of the handle during picking, improve the accuracy of operation, and avoid picking mistakes or fruit falling off due to the slippage of the handle.

[0029] In some technical solutions, a palm groove 6 is provided at the lower end of the outer wall of the picking handle 1, and a restraint strap 9 is installed on both sides of the palm groove 6 on the outer wall of the picking handle 1.

[0030] In practical implementation, the palm groove 6 is located at the lower end of the outer wall of the picking handle 1, forming an arc-shaped concave structure that conforms to the natural curvature of an adult's palm. This allows the palm to fit snugly against the handle, distributing grip pressure and reducing fatigue during prolonged work. The restraint strap 9 is made of highly elastic nylon. One end of the strap is fixed to the handle with rivets, while the other end has Velcro or buckles for quick adjustment of tightness. During use, the palm is inserted into the palm groove 6, and the restraint strap 9 is wrapped around the wrist or palm to secure it, ensuring a tight fit between the handle and the hand. Even when the arm is raised to pick fruit from a high place, the handle remains in place. The elastic design of the restraint strap accommodates slight hand movements without affecting the flexibility of the picking operation, while further enhancing grip stability, improving work efficiency, and reducing fruit damage or tool damage caused by the handle slipping.

[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0032] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A mulberry fruit picking tool to prevent fruit drop, comprising a picking handle (1), characterized in that, The inner wall of the picking handle (1) is provided with a storage cavity (10), and the storage cavity (10) is equipped with a mulberry anti-drop mechanism (2). The mulberry anti-drop mechanism (2) includes a limiting ring a (14) and a limiting ring b (13) installed in the storage cavity (10). A protective net (15) is provided between the limiting ring a (14) and the limiting ring b (13). A fruit storage bag (12) is provided inside the protective net (15). A fixing ring (16) is provided at the upper end of the limiting ring a (14). The edge of the bag opening of the fruit storage bag (12) is turned outward and fitted onto the outside of the limiting ring a (14). The fixing ring (16) is embedded in the upper end of the limiting ring a (14). Fruit picking teeth (5) are evenly and equidistantly installed from left to right at the top of the picking handle (1). A fruit picking opening (4) is provided between two adjacent fruit picking teeth (5). An inclined surface (3) is provided on the outer wall of the fruit picking teeth (5).

2. The mulberry fruit anti-drop harvesting tool according to claim 1, characterized in that, The top surface of the limiting ring a (14) is provided with slots (19) on both sides, and the bottom surface of the fixing ring (16) is provided with blocks (18) on both sides. The end of the block (18) abuts against the edge of the fruit storage bag (12) and is engaged in the slot (19).

3. The mulberry fruit anti-drop harvesting tool according to claim 2, characterized in that, The left and right sides of the card block (18) are provided with inclined convex surfaces (23), and the two sides of the inner walls of the card slot (19) are provided with inclined concave surfaces (11). The inclined convex surfaces (23) and the inclined concave surfaces (11) cooperate with each other.

4. The mulberry fruit anti-drop harvesting tool according to claim 3, characterized in that, The card block (18) has a filling cavity (20) inside, and an elastic element (21) is installed inside the filling cavity (20). The end of the card block (18) is provided with an arc surface (22).

5. A mulberry fruit anti-drop harvesting tool according to claim 1, characterized in that, The outer walls of the limiting rings a (14) and b (13) are fitted with a bearing plate (17), and the end of the bearing plate (17) is connected to the inner wall of the receiving cavity (10).

6. A mulberry fruit anti-drop harvesting tool according to claim 1, characterized in that, The upper part of the outer wall of the picking handle (1) is provided with a finger groove (7), and a protective pad (8) is provided inside the finger groove (7).

7. A mulberry fruit anti-drop harvesting tool according to claim 1, characterized in that, The lower end of the outer wall of the picking handle (1) is provided with a palm groove (6), and the outer wall of the picking handle (1) is provided with a restraint strap (9) on both sides of the palm groove (6).