Anti-pinch fruit picker

By designing a concave support platform and a sponge pad on the fruit picker, and equipping the grippers with inflatable air bladders, the problems of speed control and adaptability of existing fruit pickers are solved, achieving flexible clamping and firm fixation, and ensuring the quality of fruit picking.

CN223515353UActive Publication Date: 2025-11-07NANJING AGRICULTURAL UNIVERSITY
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Patent Information

Application Number
CN202423278233.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-07
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing fruit pickers are prone to fruit damage due to improper speed control during the ascent process, and they cannot adjust the opening size to accommodate fruits of different sizes, resulting in poor adaptability.

Method used

The lifting platform is designed with a concave surface that fits the sponge pad. The grippers are equipped with inflatable air bladders, and flexible clamping is achieved through torsion springs and connecting structures. Combined with telescopic rods and air bladder adjustment, it can adapt to different fruit diameters and heights.

Benefits of technology

It effectively prevents fruit from being bumped and damaged, ensuring harvesting quality, and can adapt to fruits of different sizes and heights, clamping firmly yet with flexible contact to reduce the risk of pinching injury.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fruit picking devices, in particular to an anti-pinch fruit picking device which comprises a main rod, a telescopic rod is slidably connected to the interior of the main rod, a lifting table is integrally formed on the top of the telescopic rod, three sets of mounting plates are distributed on the edge of the lifting table at equal angles, and connecting shafts are fixedly connected to the middles of the three sets of mounting plates. The connecting shaft penetrates through the middle of one end of the clamping jaw, and a torsional spring is fixedly connected between the clamping jaw and the mounting plate. According to the improved fruit picker, the lifting table and the clamping jaws can be prevented from colliding with the outer skin of the fruit and being damaged through cooperation of the sponge cushion and the expansion air bag, the picking quality of the fruit is guaranteed, the three clamping jaws can clamp the fruits with different diameters, gaps between the clamping jaws and the fruit are filled through cooperation of the three clamping jaws and the expansion air bag, and the fruit picking quality is improved. And the telescopic rod and the main rod are matched with each other, so that the height of the fruit picker can be adjusted, and the fruits with different heights can be picked.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a fruit picker technical field, concretely is a kind of fruit picker of anti-injury. BACKGROUND

[0002] Agricultural machinery refers to the various machinery used in the production process of crop planting and livestock breeding, and the initial processing and treatment process of agricultural and livestock products. Fruit harvesting instruments also belong to one kind of agricultural machinery, and the instrument for picking mature fruits from fruit trees is a fruit picker. In the process of picking, collision between the fruit picker and the fruit is inevitable, and the place of the fruit that collides will soon rot and turn black. Therefore, we need to develop a fruit picker that prevents injury.

[0003] The prior art (publication number: CN220755580U) discloses a high-branch fruit picker for preventing injury to fruits, comprising a first support rod, a support box fixedly arranged at the top of the first support rod, a first connecting block fixedly arranged at the left side of the support box, a cutting assembly arranged at the top of the first connecting block, a second connecting block fixedly arranged at the right side of the support box, a second support rod slidingly arranged on the surface of the second connecting block, and a cover plate fixedly arranged at the top of the second support rod. The high-branch fruit picker for preventing injury to fruits holds the fruits with the support box, cuts off the fruits and branches with the cutting assembly, and moves the cover plate downward to cover the support box by sliding the second support rod on the surface of the second connecting block. The device avoids clamping the fruits during picking, ensures that the fruits will not be injured, effectively improves the quality of the fruits, and is simple to operate and highly practical. The prior art has the following problems: 1. The existing fruit picker is of the lifting type, which can prevent the fruits from being injured to a certain extent, but the inner wall of the fruit picker may collide with the fruits during the ascending process due to uncontrolled ascending speed, causing the fruits to rot and turn black at the collision point; 2. The opening size of the existing fruit picker is fixed, which cannot be adjusted when facing fruits of different sizes, and the adaptability is poor. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a fruit picker that prevents injury, to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a fruit picker that prevents injury, comprising a main rod, a telescopic rod slidingly connected inside the main rod, a lifting platform integrally formed at the top of the telescopic rod, three groups of mounting plates equally distributed at the edges of the lifting platform, a connecting shaft fixedly connected at the middle of one end of each mounting plate, a clamping jaw, a torsional spring fixedly connected between the clamping jaw and the mounting plate, and an inflatable air bag covering one side of the clamping jaw close to the lifting platform.

[0006] Preferably, the top surface of the lifting platform is concave, and a sponge pad is attached to the top surface of the lifting platform.

[0007] Preferably, the outer ring of the clamping jaw is fixedly connected with one end of the connecting rope, and the other end of the connecting rope is fixedly connected with the top surface of the lifting block.

[0008] Preferably, the middle part of the bottom surface of the lifting block is fixedly connected with one end of the pulling rope, and the other end of the pulling rope extends to the outside of the bottom end of the main rod and is connected with the pull ring.

[0009] Preferably, the outer ring of the lifting block is fixedly connected with one end of the connecting column, and the other end of the connecting column is fixedly connected with the extrusion ring, the connecting column is slidingly connected in the inner part of the sliding groove, and the sliding groove is arranged in the middle part of the outer wall of the telescopic rod.

[0010] Preferably, one side of the telescopic rod is provided with a plug-in hole, a locking pin is plugged into the plug-in hole, one end of the locking pin away from the telescopic rod extends to the outside of the main rod and is connected with the limiting sheet, and a return spring is fixedly connected between the limiting sheet and the outer surface of the main rod.

[0011] Preferably, the outer surface of the telescopic rod is integrally formed with a mounting ring, the bottom surface of the mounting ring is fixedly connected with a total air bag, and the total air bag is connected with the inflatable air bag through a hose.

[0012] Compared with the prior art, the utility model has the beneficial effects of:

[0013] In the utility model, the sponge pad and the inflatable air bag are matched, the lifting platform and the clamping jaw can be prevented from being damaged due to collision with fruits, and the picking quality of the fruits is ensured, the three clamping jaws can clamp fruits with different diameters, the inflatable air bag fills the gap between the clamping jaw and the fruit, the fruit is clamped more firmly, and the inflatable air bag also enables the clamping jaw and the fruit to be in flexible contact, so that the fruit is prevented from being damaged in the process of picking. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of the utility model;

[0015] Figure 2 It is an enlarged structure schematic view of A in the utility model; Figure 1

[0016] Figure 3 It is a front view of the utility model;

[0017] Figure 4 It is an enlarged structure schematic view of B in the utility model; Figure 3

[0018] Figure 5 ​​The utility model discloses an elevation section solid structure schematic diagram.

[0019] In the figure: 1, main rod, 2, telescopic rod, 3, lifting platform, 4, mounting plate, 5, connecting shaft, 6, clamping jaw, 7, torsional spring, 8, inflatable air bag, 9, sponge pad, 10, connecting rope, 11, lifting block, 12, pull rope, 13, pull ring, 14, plug-in hole, 15, locking pin, 16, reset spring, 17, mounting ring, 18, total air bag, 19, connecting column, 20, extrusion ring, 21, sliding slot, 22, hose. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill workers in the field without creative work belong to the scope of the utility model.

[0021] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: a kind of fruit picker of anti-pinch, including main rod 1, telescopic rod 2 is slidably connected in the inside of main rod 1, the top of telescopic rod 2 is integrally formed with lifting platform 3, lifting platform 3 is equiangularly distributed with three groups of mounting plate 4 in the edge, the middle part of three groups of mounting plate 4 is fixedly connected with connecting shaft 5, connecting shaft 5 is passed in the middle part of one end of clamping jaw 6, clamping jaw 6 is fixedly connected with torsional spring 7 between mounting plate 4, and clamping jaw 6 is covered with inflatable air bag 8 close to the side of lifting platform 3;Torsional spring 7 can drive clamping jaw 6 to rotate around connecting shaft 5, so that clamping jaw 6 is clamped to the fruit on lifting platform 3, and inflatable air bag 8 can prevent clamping jaw 6 from being squeezed excessively or colliding in the process of tightening, affect the quality of fruit picked.

[0022] In the embodiment, as shown in Figure 1 The top surface of lifting platform 3 is designed as concave surface, and sponge pad 9 is attached to the top surface of lifting platform 3.

[0023] In the embodiment, as shown in Figure 3As shown, the outer ring of the clamping jaw 6 is fixedly connected with one end of the connecting rope 10, and the other end of the connecting rope 10 is fixedly connected to the top surface of the lifting block 11, the bottom surface of the lifting block 11 is fixedly connected with one end of the pull rope 12, and the other end of the pull rope 12 extends to the outside of the bottom end of the main rod 1 and is connected with the pull ring 13; in the normal state, the clamping jaw 6 is in the tightening state, and in the process of picking fruits, the lifting block 11 is pulled down through the pull ring 13 and the pull rope 12, and the lifting block 11 is lowered to pull the clamping jaw 6 to rotate around the connecting shaft 5 through the connecting rope 10, and at the same time the clamping jaw 6 deforms the torsional spring 7, at this time the clamping jaw 6 can be opened, then the main rod 1 is pushed up to make the fruits placed on the lifting platform 3, then the pull ring 13 is loosened, the torsional spring 7 drives the clamping jaw 6 to reset to clamp the fruits, and the fruits can be picked from the tree.

[0024] In this embodiment, as shown in Figure 1 and Figure 4 As shown, the outer ring of the lifting block 11 is fixedly connected with one end of the connecting column 19, and the other end of the connecting column 19 is fixedly connected with the extrusion ring 20, the connecting column 19 is slidingly connected in the inner part of the sliding groove 21, and the sliding groove 21 is arranged in the middle part of the outer wall of the telescopic rod 2, the outer surface of the telescopic rod 2 is integrally formed with the mounting ring 17, the bottom surface of the mounting ring 17 is fixedly connected with the total air bag 18, and the total air bag 18 is connected with the inflatable air bag 8 through the hose 22; in the process of lifting the lifting block 11, the extrusion ring 20 outside the main rod 1 is driven to rise and fall synchronously through the connecting column 19, and in the process of tightening the clamping jaw 6, the lifting block 11 is driven to rise through the connecting rope 10, at this time the extrusion ring 20 extrudes the total air bag 18, air in the total air bag 18 enters the inflatable air bag 8 through the hose 22, the inflatable air bag 8 is inflated, and the gap between the clamping jaw 6 and the surface of the fruit is filled, so that the firmness of the fruit being clamped is ensured, and at the same time, in the process of tightening the clamping jaw 6, the inflatable air bag 8 is inflated, the contact surface between the clamping jaw 6 and the fruit becomes a flexible surface, damage to the fruit caused by the clamping jaw 6 can be avoided, and the fruit is not easy to be clamped.

[0025] In this embodiment, as shown in Figure 4 As shown, one side of the telescopic rod 2 is provided with the insertion hole 14, the insertion hole 14 is inserted with the locking pin 15, one end of the locking pin 15 away from the telescopic rod 2 extends to the outside of the main rod 1 and is connected with the limiting sheet, and the limiting sheet and the outer surface of the main rod 1 are fixedly connected with the reset spring 16; the structure is used for adjusting the length of the main rod 1 and the telescopic rod 2, so that the fruits on the fruit trees of different heights can be picked.

[0026] The use method and advantages of the fruit picker are as follows:

[0027] Firstly, the length of the main rod 1 and the telescopic rod 2 is adjusted, then the clamping jaw 6 is extended to the required fruit below, then the pull ring 13 is pulled, the pull ring 13 drives the lifting block 11 to descend through the pull rope 12, the lifting block 11 descends and drives the clamping jaw 6 to rotate around the connecting shaft 5 through the connecting rope 10, so that the clamping jaw 6 is opened, then the fruit enters between the clamping jaw 6, the pull ring 13 is released, under the action of the torsional spring 7, the clamping jaw 6 resets to clamp the fruit, and in the process of the lifting block 11 rising, the lifting block 11 drives the extrusion ring 20 to rise and extrude the total air bag 18, the air in the total air bag 18 enters the inflatable air bag 8 to make the inflatable air bag 8 expand, so that the gap between the fruit and the clamping jaw 6 is filled, and the fruit is clamped more stably.

[0028] The fruit picker of the utility model, through sponge pad and inflatable air bag cooperation, can prevent the damage of the knocking of the lifting platform and the clamping jaw with the outer skin of the fruit, guarantee the picking quality of the fruit, and the design of three clamping jaws can clamp the fruits with different diameters, cooperate the inflatable air bag to fill the gap between the clamping jaw and the fruit, clamp the fruit more firmly to prevent the fruit from falling and breaking, and the telescopic rod and the main rod cooperate to adjust the height of the fruit picker and pick the fruits with different heights.

[0029] The basic principle, main features and advantages of the utility model are shown and described above. The technical workers in the industry should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model and do not limit the utility model, and various changes and improvements of the utility model fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fruit picker with anti-injury function, comprising a main rod (1), characterized in that: The inside of the main rod (1) is slidably connected with a telescopic rod (2), the top of the telescopic rod (2) is integrally formed with a lifting platform (3), the edges of the lifting platform (3) are equiangularly distributed with three groups of mounting plates (4), the middle parts of the three groups of mounting plates (4) are fixedly connected with connecting shafts (5), the connecting shafts (5) penetrate through the middle parts of one ends of clamping jaws (6), the clamping jaws (6) and the mounting plates (4) are fixedly connected with torsional springs (7), and the clamping jaws (6) are covered with expansion air bags (8) on the sides close to the lifting platform (3).

2. The fruit picker of claim 1, wherein: The top surface of the lifting platform (3) is designed as a concave surface, and the top surface of the lifting platform (3) is attached with a sponge pad (9).

3. The fruit picker of claim 1, wherein: The outer circle of the clamping jaw (6) is fixedly connected with one end of a connecting rope (10), and the other end of the connecting rope (10) is fixedly connected to the top surface of a lifting block (11).

4. The fruit picker of claim 3, wherein: The middle part of the bottom surface of the lifting block (11) is fixedly connected with one end of a pulling rope (12), and the other end of the pulling rope (12) extends to the outside of the bottom end of the main rod (1) and is connected with a pull ring (13).

5. The fruit picker of claim 3, wherein: The outer circle of the lifting block (11) is fixedly connected with one end of a connecting column (19), and the other end of the connecting column (19) is fixedly connected with a squeezing ring (20), the connecting column (19) is slidably connected in the inside of a sliding groove (21), and the sliding groove (21) is arranged in the middle part of the outer wall of the telescopic rod (2).

6. The fruit picker of claim 1, wherein: One side of the telescopic rod (2) is provided with a plug hole (14), the plug hole (14) is plugged with a locking pin (15), one end of the locking pin (15) away from the telescopic rod (2) extends to the outside of the main rod (1) and is connected with a limiting sheet, and the limiting sheet and the outer surface of the main rod (1) are fixedly connected with a return spring (16).

7. The fruit picker of claim 1, wherein: The outer surface of the telescopic rod (2) is integrally formed with a mounting ring (17), the bottom surface of the mounting ring (17) is fixedly connected with a total air bag (18), and the total air bag (18) and the expansion air bag (8) are connected through a hose (22).

Citation Information

Patent Citations

  • High-branch fruit picker capable of preventing fruits from being pinched

    CN220755580U