A hand collector for collecting Chinese chestnut without thorn

Abstract

The utility model relates to the field of chestnut harvesting technology, and concretely relates to a chestnut harvesting anti-stinging hand collector, which comprises an elongated rod, a sleeve pipe of the same length as the elongated rod is slidably connected to the outer side of the lower end of the elongated rod, a plurality of positioning assemblies are hingedly connected to the outer side of the top end of the sleeve pipe, the positioning assemblies comprise positioning blocks, a positioning shaft is fixedly installed on the side of the top end of each positioning block close to the elongated rod, a plurality of positioning holes are formed in the elongated rod, the positioning holes correspond to the number and position of the positioning shafts and are of suitable sizes, an adjusting assembly is slidably connected to the outer side of the sleeve pipe, a circular harvesting rack is hingedly connected to the top of the elongated rod, a plurality of cutting knives are fixedly installed on the inner side wall of the harvesting rack, and a collecting frame is threadedly connected to the bottom of the harvesting rack. The utility model realizes the function of adjusting the length of the elongated rod by controlling the positioning assemblies through the adjusting assembly, meets the harvesting requirements of chestnuts at different heights, and threadedly connects the harvesting rack and the collecting frame, so that the collecting net can be conveniently removed to collect chestnuts and avoid scratching.

Description

Technical Field

[0001] This utility model relates to the field of chestnut harvesting technology, specifically to a chestnut harvesting hand-protecting collector. Background Technology

[0002] Chestnut harvesting is a crucial step in ensuring its quality and yield. However, chestnut burrs are covered with sharp thorns, which can easily prick hands if care is not taken during harvesting. Therefore, protective gear is often required when collecting chestnuts. In addition, chestnut trees vary in height, and ladders or other climbing tools are needed when picking chestnuts from taller trees, which poses a safety hazard.

[0003] Utility model patent CN222764328U discloses a chestnut harvester suitable for steep mountain slopes, comprising a round rod with a cutting blade fixedly installed at the upper end. A sliding groove is formed inside the round rod and on one side of the cutting blade, in which a movable blade is slidably installed; a drive assembly located inside the round rod and used to drive the movable blade to move; and a ring rotatably mounted on the round rod and located on one side of the movable blade. A net is fixedly installed on one side of the ring. A spring rope is fixedly installed at the end of the round rod away from the cutting blade, and a belt is fixedly installed at one end of the spring rope. A second belt is fixedly installed at one end of the belt. When harvesting chestnuts on steep mountain slopes, this utility model prevents the entire device from sliding downwards under gravity when placed on the ground, thus eliminating the need for personnel to support it. Furthermore, when harvesting chestnuts, personnel do not need to forcefully pull the round rod, ensuring no damage to the chestnut trees.

[0004] Although the existing chestnut harvester, suitable for steep mountain slopes, is convenient for harvesting chestnuts on such terrain and reduces the risk of injury from chestnut thorns, it still has the following problems in practical use: the length of the rod cannot be adjusted, making it difficult to adapt to harvesting chestnuts at different heights; and the net is close to the cutting blade and difficult to remove, making it difficult to empty the chestnuts and increasing the risk of injury from the cutting blade. Therefore, we propose a chestnut harvester with anti-thorn-hand collection. Utility Model Content

[0005] In view of the aforementioned defects or shortcomings of the prior art, such as difficulty in adjusting the length and susceptibility to scratches, it is desirable to provide a chestnut harvesting hand-protecting collector.

[0006] In a first aspect, this application provides a chestnut harvester with anti-stab hand collector, comprising a long rod, a sleeve of the same length as the long rod being slidably sleeved on the outer side of the lower end of the long rod, a plurality of positioning components being hinged to the outer wall of the top end of the sleeve, the positioning components comprising positioning blocks, a positioning shaft being fixedly installed on the side of the top end of the positioning blocks near the long rod, a plurality of positioning holes corresponding to the number and position of the positioning shafts and adapted in size on the long rod, an adjustment component being slidably sleeved on the outer side of the sleeve, the adjustment component comprising an adjustment section for pressing the positioning blocks and a gripping section arranged sequentially from top to bottom, a plurality of adjustment blocks equal in number and position to the positioning blocks being fixedly installed on the inner wall of the adjustment section, a harvesting frame being hinged to the top of the long rod in a ring shape, a plurality of cutting blades being fixedly installed on the inner wall of the harvesting frame, a collection frame being threadedly connected to the bottom of the harvesting frame, and a collection net being fixedly connected to the bottom of the collection frame.

[0007] According to the technical solution provided in the embodiments of this application, the number of positioning holes in each column is at least three, the distance between two adjacent positioning holes is less than 5cm, and the distance between the two positioning holes that are farthest apart in each column is 50cm~100cm; when the long rod slides in the sleeve, the overall length of the collector is at its maximum when the positioning hole closest to the lower end of the long rod is engaged by the positioning shaft, and the overall length of the collector is at its minimum when the positioning hole closest to the top end of the long rod is engaged by the positioning shaft;

[0008] This setting ensures precise height adjustment during pole extension and retraction, adapting to harvesting needs at different tree heights.

[0009] According to the technical solution provided in the embodiments of this application, a spring is fixedly installed on the same side of the positioning block as the positioning shaft at one end of the positioning block away from the positioning shaft, and the other end of the spring is fixedly connected to the outer wall of the sleeve.

[0010] In this setting, the spring provides a positioning block reset function, making it easy for the positioning shaft to be reinserted into the positioning hole.

[0011] According to the technical solution provided in the embodiments of this application, a limiting ring is fixedly installed on the outer side wall of the sleeve near the top end to prevent the adjustment component from disengaging from the positioning component, and two anti-slip sleeves are attached to the outer side wall of the sleeve below the limiting ring.

[0012] In this setting, the limit ring prevents the adjustment component from disengaging from the positioning block, thus avoiding structural failure during operation; the anti-slip sleeve increases hand grip friction.

[0013] According to the technical solution provided in the embodiments of this application, the adjusting block is in the shape of a right triangle with its tip pointing towards the corresponding positioning component; when the bottom end of the adjusting component abuts against the limiting ring, the bottom end of the positioning block is still within the adjusting section, the tip of the adjusting block contacts the bottom end of the positioning block, and the spring is in a relaxed state; when the adjusting component is pushed upward to the highest position, the spring is compressed to its shortest length and the positioning block is outwardly curved, and the positioning shaft disengages from the corresponding positioning hole;

[0014] In this setting, the positioning block is adjusted to control whether the positioning block tilts outward, thus enabling the positioning shaft and positioning hole to be locked or disengaged.

[0015] According to the technical solution provided in the embodiments of this application, the upper end of the sleeve is provided with a bidirectional limiting block, and the length of the bidirectional limiting block is equal to the distance from the top end of the sleeve to the limiting ring;

[0016] According to the technical solution provided in the embodiments of this application, the bidirectional limiting block includes integrally formed limiting protrusions that protrude towards the inner and outer sides of the sleeve respectively. The outer side wall of the long rod has a first limiting groove that corresponds to the position of the inner limiting protrusion of the bidirectional limiting block and is adapted to its size. The first limiting groove is the same length as the long rod. The inner side wall of the grip section has a second limiting groove that corresponds to the position of the outer limiting protrusion of the bidirectional limiting block and is adapted to its size.

[0017] In these two settings, the sliding cooperation between the bidirectional limiting block and the first and second limiting grooves prevents the long rod and sleeve from deflecting, thus avoiding the positioning shaft from accurately locking into the corresponding positioning hole.

[0018] According to the technical solution provided in the embodiments of this application, the number of cutting blades is at least three and they are arranged in a ring at equal intervals, and there is a gap of more than 1 cm between two adjacent cutting blades for the branches to pass through.

[0019] In this setup, the fruit branches are cut with a cutting knife to avoid injury caused by manual harvesting.

[0020] According to the technical solution provided in the embodiments of this application, the inner diameter of the picking rack is 15cm~25cm, and the mesh size of the collecting net is less than 1cm;

[0021] In this setup, the size of the harvesting rack is suitable for most chestnut branches, and the mesh size is less than 1cm to ensure that chestnuts will not fall through the mesh.

[0022] In summary, this technical solution specifically discloses a chestnut harvesting anti-stab collector, which includes a long rod, a positioning hole, a positioning component, an adjustment component, a harvesting frame, and a collection frame. The adjustment component controls the positioning component to adjust the length of the long rod, meeting the harvesting needs of chestnuts at different heights. The harvesting frame and the collection frame are threaded together, making it easy to remove the collection net to collect chestnuts and avoid scratching them. Attached Figure Description

[0023] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0024] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 For utility model Figure 1 Schematic diagram of the structure at point A;

[0026] Figure 3 This is a partial half-section structural schematic diagram of the utility model;

[0027] Figure 4 This is a schematic cross-sectional view of the sleeve in the utility model.

[0028] Figure 5 This is a schematic diagram of the positioning component in the utility model;

[0029] Figure 6 This is a cross-sectional view of the adjustment component in the utility model.

[0030] Figure 7 This is an exploded structural diagram of the picking rack and collection frame in the utility model.

[0031] In the picture:

[0032] 1. Long rod; 11. Positioning hole; 12. First limiting groove;

[0033] 2. Sleeve; 21. Bidirectional limiting block;

[0034] 3. Positioning assembly; 31. Positioning block; 32. Positioning shaft; 33. Spring;

[0035] 4. Adjustment component; 41. Adjustment section; 42. Hand grip section; 43. Adjustment block; 44. Second limit groove;

[0036] 5. Harvesting rack; 51. Cutting knife;

[0037] 6. Collection box; 61. Collection net;

[0038] 7. Limiting ring;

[0039] 8. Anti-slip sleeves. Detailed Implementation

[0040] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.

[0041] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0042] Please see Figures 1-7 A chestnut harvesting anti-stab hand collector includes a long rod 1. A sleeve 2 of the same length as the long rod 1 is slidably sleeved on the outer side of the lower end of the long rod 1. Several positioning components 3 are hinged to the outer wall of the top end of the sleeve 2. The positioning components 3 include positioning blocks 31. A positioning shaft 32 is fixedly installed on the side of the top end of the positioning block 31 near the long rod 1. Several rows of positioning holes 11 are opened on the long rod 1, which correspond to the number and position of the positioning shafts 32 and are adapted in size. An adjustment component 4 is also slidably sleeved on the outer side of the sleeve 2. The adjustment component 4 includes an adjustment section 41 for pressing the positioning block 31 and a hand grip section 42 arranged from top to bottom. Several adjustment blocks 43, which are equal in number and position to the positioning blocks 31, are fixedly installed on the inner wall of the adjustment section 41. A harvesting frame 5 in the shape of a ring is hinged to the top of the long rod 1. Several cutting blades 51 are fixedly installed on the inner wall of the harvesting frame 5. A collection frame 6 is threadedly connected to the bottom of the harvesting frame 5. A collection net 61 is fixedly connected to the bottom of the collection frame 6.

[0043] In this embodiment, as Figure 5 As shown, a spring 33 is fixedly installed on the same side of the positioning block 31 away from the positioning shaft 32. The other end of the spring 33 is fixedly connected to the outer wall of the sleeve 2. The spring 33 and the positioning block 31 are connected to control whether the positioning shaft 32 is locked with the positioning hole 11, thereby realizing the sliding of the long rod 1.

[0044] Furthermore, such as Figure 1 As shown, a limiting ring 7 is fixedly installed on the outer wall of the sleeve 2 to prevent the adjusting component 4 from disengaging from the positioning component 3. Two anti-slip sleeves 8 are attached to the outer wall of the sleeve 2 below the limiting ring 7. When the adjusting component 4 slides towards the bottom of the sleeve 2, the adjusting block 43 gradually disengages from the positioning block 31. If the adjusting block 43 completely disengages from the positioning block 31, the positioning component 3 will fail and the adjusting component 4 will need to be re-engaged, which is quite troublesome. The limiting ring 7 can avoid this situation and ensure that the adjusting block 43 will not completely disengage from the positioning block 31.

[0045] Furthermore, such as Figure 3As shown, the adjusting block 43 is in the shape of a right triangle with its tip pointing towards the corresponding positioning component 3. When the bottom end of the adjusting component 4 abuts against the limiting ring 7, the bottom end of the positioning block 31 is still within the adjusting section 41, the tip of the adjusting block 43 contacts the bottom end of the positioning block 31, and the spring 33 is in a relaxed state. When the adjusting component 4 is pushed upward to the highest position, the spring 33 is compressed to its shortest position and the positioning block 31 is outwardly curved. The positioning shaft 32 disengages from the corresponding positioning hole 11, and the adjusting component 4 is pushed upward. By pressing the positioning block 31 with the ramp of the right triangle-shaped adjusting block 43, the positioning shaft 32 can be inserted and removed, controlling the extension and retraction of the long rod 1. When the long rod 1 is adjusted to the required length, the adjusting component 4 is slid to abut against the limiting ring 7, and the spring 33 resets and pushes the positioning shaft 32 into the positioning hole 11 to fix the overall length of the collector.

[0046] In this embodiment, as Figure 1 As shown, the number of positioning holes 11 in each row is preferably thirty, the distance between two adjacent positioning holes 11 is preferably 3cm, and the distance between the two positioning holes 11 furthest apart is preferably 90cm. The long rod 1 slides in the sleeve 2. When the positioning hole 11 closest to the lower end of the long rod 1 is engaged by the positioning shaft 32, the overall length of the collector is at its maximum. When the positioning hole 11 closest to the top end of the long rod 1 is engaged by the positioning shaft 32, the overall length of the collector is at its minimum. Through the cooperation of the positioning holes 11 and the positioning shaft 32, fine height adjustment within 90cm can be achieved, which can harvest chestnuts located at different heights, reduce the use of traditional climbing tools, and improve safety.

[0047] Furthermore, such as Figure 2 and Figure 4 As shown, the upper end of the sleeve 2 is provided with a bidirectional limiting block 21, and the length of the bidirectional limiting block 21 is equal to the distance from the top of the sleeve 2 to the limiting ring 7.

[0048] Furthermore, such as Figure 1 and Figure 6 As shown, the bidirectional limiting block 21 includes integrally formed limiting protrusions that protrude towards the inner and outer sides of the sleeve 2 respectively. The outer wall of the long rod 1 has a first limiting groove 12 that corresponds to the position of the inner limiting protrusion of the bidirectional limiting block 21 and is adapted to the size. The first limiting groove 12 is the same length as the long rod 1. The inner wall of the grip section 42 has a second limiting groove 44 that corresponds to the position of the outer limiting protrusion of the bidirectional limiting block 21 and is adapted to the size. The first limiting groove 12, which is the same length as the long rod 1, prevents the long rod 1 from rotating inside the sleeve 2, causing the positioning shaft 32 to fail to engage with the positioning hole 11. The second limiting groove 44 prevents the adjustment block 43 from deviating from the top surface of the positioning block 31 during adjustment, thus preventing adjustment failure.

[0049] Furthermore, such as Figure 7As shown, there are at least three cutting blades 51 arranged in a ring at equal intervals, and there is a gap of more than 1 cm between two adjacent cutting blades 51 for branches to pass through. The gap between two adjacent cutting blades 51 facilitates the passage of branches, which can efficiently cut the fruit branches and prevent the chestnut burrs from breaking and injuring people.

[0050] It is worth mentioning that, such as Figure 7 As shown, the inner diameter of the picking rack 5 is preferably 25cm, and the mesh size of the collecting net 61 is less than 1cm. The collecting net 61 receives the chestnuts after cutting, preventing the fruits from falling or being punctured. The mesh design avoids chestnuts from being missed.

[0051] Working principle: When using the chestnut harvesting anti-thorn hand collector in this embodiment, first hold the handle section 42 of the adjustment component 4 and push it upward. The adjustment block 43 squeezes the positioning block 31 to make the positioning shaft 32 disengage from the positioning hole 11. Slide the long rod 1 to the required length, release the adjustment component 4, the spring 33 returns to its original position, and the positioning shaft 32 is inserted into the new positioning hole 11 and fixed. Then, hold the anti-slip sleeve 8 and the long rod 1 to put the harvesting frame 5 around the chestnut branches. The cutting blade 51 cuts close to the fruit branches, and the chestnuts, along with the thorns, fall into the collection frame 6 and are collected by the collection net 61, avoiding contact with the thorns by hand.

[0052] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A chestnut harvesting anti-stab hand collector, comprising a long pole (1), characterized in that: The lower end of the long rod (1) is slidably sleeved with a sleeve (2) of the same length as the long rod (1). Several positioning components (3) are hinged to the outer wall of the top end of the sleeve (2). The positioning components (3) include positioning blocks (31). A positioning shaft (32) is fixedly installed on the side of the top end of the positioning block (31) near the long rod (1). Several rows of positioning holes (11) are opened on the long rod (1) and the number and position of the positioning shafts (32) are corresponding and the size is adapted. An adjustment component (4) is also slidably sleeved on the outer side of the sleeve (2). 4) Includes an adjustment section (41) and a hand grip section (42) arranged from top to bottom for pressing the positioning block (31). The inner wall of the adjustment section (41) is fixedly installed with a number of adjustment blocks (43) equal to the number of positioning blocks (31) and corresponding to each other in position. The top of the long rod (1) is hinged with a ring-shaped picking frame (5). The inner wall of the picking frame (5) is fixedly installed with a number of cutting blades (51). The bottom of the picking frame (5) is threadedly connected with a collection frame (6). The bottom of the collection frame (6) is fixedly connected with a collection net (61).

2. The chestnut harvesting anti-stab hand collector according to claim 1, characterized in that: The number of positioning holes (11) in each column is at least three, the distance between two adjacent positioning holes (11) is less than 5cm, and the distance between the two positioning holes (11) that are farthest apart in each column is 50cm~100cm; the long rod (1) slides in the sleeve (2), and the overall length of the collector is the largest when the positioning hole (11) closest to the lower end of the long rod (1) is engaged by the positioning shaft (32), and the overall length of the collector is the smallest when the positioning hole (11) closest to the top end of the long rod (1) is engaged by the positioning shaft (32).

3. The chestnut harvesting anti-stab hand collector according to claim 1, characterized in that: A spring (33) is fixedly installed on one end of the positioning block (31) away from the positioning shaft (32) on the same side as the positioning shaft (32), and the other end of the spring (33) is fixedly connected to the outer wall of the sleeve (2).

4. The chestnut harvesting anti-stab hand collector according to claim 3, characterized in that: The sleeve (2) is fixedly installed with a limiting ring (7) near the top of the outer wall to prevent the adjustment component (4) from disengaging from the positioning component (3). The sleeve (2) has two anti-slip sleeves (8) attached to the outer wall below the limiting ring (7).

5. The chestnut harvesting anti-stab hand collector according to claim 4, characterized in that: The adjusting block (43) is in the shape of a right triangle with its tip pointing towards the corresponding positioning component (3); when the bottom end of the adjusting component (4) and the limiting ring (7) abut, the bottom end of the positioning block (31) is still in the adjusting section (41), the tip of the adjusting block (43) contacts the bottom end of the positioning block (31), and the spring (33) is in a relaxed state; when the adjusting component (4) is pushed upward to the highest position, the spring (33) is compressed to its shortest length and the positioning block (31) is outwardly curved, and the positioning shaft (32) disengages from the corresponding positioning hole (11).

6. The chestnut harvesting anti-stab hand collector according to claim 4, characterized in that: The upper end of the sleeve (2) is provided with a bidirectional limiting block (21), the length of which is equal to the distance from the top of the sleeve (2) to the limiting ring (7).

7. The chestnut harvesting anti-stab hand collector according to claim 6, characterized in that: The bidirectional limiting block (21) includes integrally formed limiting protrusions that protrude towards the inner and outer sides of the sleeve (2). The outer wall of the long rod (1) has a first limiting groove (12) that corresponds to the position of the inner limiting protrusion of the bidirectional limiting block (21) and is adapted to the size. The first limiting groove (12) and the long rod (1) are of the same length. The inner wall of the hand grip section (42) has a second limiting groove (44) that corresponds to the position of the outer limiting protrusion of the bidirectional limiting block (21) and is adapted to the size.

8. The chestnut harvesting anti-stab hand collector according to claim 1, characterized in that: The number of the cutting blades (51) is at least three and they are arranged in a ring at equal intervals, and there is a gap of more than 1 cm between two adjacent cutting blades (51) for the branches to pass through.

9. The chestnut harvesting anti-stab hand collector according to claim 1, characterized in that: The inner diameter of the picking rack (5) is 15cm to 25cm, and the mesh size of the collecting net (61) is less than 1cm.

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