Fixing device for litchi grafting propagation

Abstract

This utility model provides a fixing device for litchi grafting propagation, belonging to the field of agricultural planting technology. It includes a fixing cone with a fixing component for fixing litchi scions. By setting up the fixing component, the fixing cone provides a basic support for the device during use, and can be inserted into the surrounding soil to ensure stability. A threaded cylinder on the periphery of the fixing cone can rotate and rise along the cone surface. With the help of a scale on one side of the fixing cone, the height can be precisely adjusted. An adjusting cylinder at the top of the threaded cylinder cooperates with a rotating cylinder. Rotating the handle drives the rotating column to achieve horizontal alignment between the fixing groove and the scion. The rotating handle on the side of the fixing groove drives a bidirectional screw to rotate, causing the clamping blocks on both sides to move closer synchronously. The clamping plates then clamp the scion. The bidirectional screw drive ensures uniform clamping force, which can be flexibly adjusted according to the thickness of the scion to adapt to the size differences of different litchi varieties.

Description

Technical Field

[0001] This utility model relates to the field of agricultural planting technology, and more specifically, to a fixing device for lychee grafting propagation. Background Technology

[0002] In the grafting propagation of litchi, fixing the scion is a key step to ensure survival. In the early days, it relied on manual binding with plastic film, hemp rope, etc., which was experience-dependent and unstable, making it difficult to meet the needs of large-scale planting. As the litchi industry has increased its requirements for variety improvement and grafting efficiency, special fixing devices have gradually evolved from simple metal clips to adjustable and multi-functional structures.

[0003] A search revealed that Chinese Patent Publication No. CN213603304U discloses "a fixing device for grafting lychee, comprising a first U-shaped frame, with connecting mechanisms provided at both ends of the right side of the first U-shaped frame; this utility model, by setting a first fixing head, a second fixing head, a gear, a rack, a limiting head, a limiting hole, and a first spring, solves the problems of traditional grafting fixing devices, which cannot be adjusted according to the thickness of the grafted plant, and if the fixing device is too small or too large, it is easy to have loose fixing, requiring replacement of the fixing device, resulting in too many types of fixing devices that are not easy to use. Traditional fixing devices require manual fixing during grafting, and then the fixing device is installed, which is inconvenient for grafting and reduces grafting efficiency. This fixing device for grafting lychee has the advantages of being adjustable according to the thickness of the plant and convenient for grafting, improving grafting efficiency and is worth promoting." However, it still has the following drawbacks:

[0004] (1) In actual use, the device lacks a stable support and precise adjustment structure. It is fixed only by the U-shaped frame and the connecting mechanism. It cannot be accurately positioned according to the height of the grafting interface. The scion is prone to uneven force due to height deviation. It also lacks horizontal alignment adjustment function, making it difficult to adapt to different angle requirements and affecting grafting stability.

[0005] (2) In actual use, the device lacks elastic buffer and flexible clamping design. It only uses the fixed head for rigid clamping, which can easily damage the scion bark due to improper clamping force. In addition, there is no clamping design that fits the cross section of the scion, so the scion is easy to shake or the bark is scratched, which affects nutrient transport and reduces the grafting survival rate. Therefore, a fixing device for litchi grafting propagation is proposed. Utility Model Content

[0006] The purpose of this invention is to address the problems existing in current devices that lack stable support and precise adjustment structures, making it difficult to adapt to different angle requirements and affecting grafting stability. Furthermore, the lack of elastic buffering and flexible clamping design affects nutrient transport and reduces grafting survival rates. This invention provides a fixing device for litchi grafting propagation to solve the problems mentioned in the background art.

[0007] To achieve the above-mentioned objectives, this utility model provides the following technical solution:

[0008] The present invention is as follows: a fixing device for propagating litchi grafts, comprising a fixing cone, wherein the fixing cone is provided with a fixing component for fixing litchi scions, and the fixing component is provided with an auxiliary component for assisting in fixing litchi scions;

[0009] The fixing assembly includes a threaded cylinder with a fixed cone circumferential threaded mounting. A scale is fixedly mounted on one side of the fixed cone. An adjusting cylinder is fixedly mounted on the top of the threaded cylinder. A rotating cylinder is fixedly mounted on one side of the adjusting cylinder. A rotating column is threadedly mounted on one side of the rotating cylinder. A rotating handle is fixedly mounted on one side of the rotating column. A fixing groove is fixedly mounted on the side of the rotating column away from the rotating handle. A rotating handle is fixedly mounted on one side of the fixing groove. A bidirectional lead screw is fixedly mounted on the side of the rotating handle near the fixing groove. Clamping blocks are threadedly mounted on both sides of the bidirectional lead screw. A clamping plate is fixedly mounted on one side of each clamping block.

[0010] As a preferred technical solution of this utility model, the auxiliary component includes a plurality of buffer blocks fixedly installed on one side of the clamping plate, a telescopic spring provided on the periphery of the buffer block, a clamping groove fixedly installed on one side of the buffer block, and a clamping pad fixedly installed on the side of the clamping groove away from the buffer block.

[0011] As a preferred technical solution of this utility model, a plurality of ventilation holes are provided on the periphery of the clamping groove, and a plurality of waterproof meshes are fixedly installed inside the ventilation holes.

[0012] As a preferred technical solution of this utility model, a sealing strip is fixedly installed on the top of the clamping pad, and a moisture-proof strip is fixedly installed on the top of the sealing strip.

[0013] As a preferred technical solution of this utility model, a first magnet is fixedly installed on one side of the fixing groove, a recording plate is provided on one side of the fixing groove, and a second magnet is fixedly installed on one side of the recording plate, wherein the first magnet and the second magnet are magnetically connected to each other.

[0014] As a preferred technical solution of this utility model, a temperature-sensitive color-changing warning strip is fixedly installed on one side of the threaded cylinder.

[0015] As a preferred technical solution of this utility model, a number of reflective strips are fixedly installed on one side of the fixing groove.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] 1. With the fixed components in place, the fixed cone provides a basic support for the device during use. It can be inserted into the surrounding soil to ensure stability. The threaded cylinder on the side of the fixed cone can rotate and rise along the cone surface. With the help of the scale on the side of the fixed cone, the height can be precisely adjusted. For example, the fixed groove can be aligned with the grafting interface to avoid uneven force on the scion due to height deviation. The adjusting cylinder at the top of the threaded cylinder works with the rotating cylinder. Turning the handle drives the rotating column to rotate, so that the fixed groove and the scion are horizontally aligned. It can adapt to different grafting angle requirements such as cleft grafting and split grafting. The rotating handle on the side of the fixed groove drives the bidirectional screw to rotate, so that the clamping blocks on both sides move closer together. The scion is clamped by the clamping plate. The bidirectional screw transmission ensures uniform clamping force. It can be flexibly adjusted according to the thickness of the scion to adapt to the size differences of different varieties of litchi scions.

[0018] 2. With the auxiliary components in place, during use, several buffer blocks on one side of the clamping plate and the surrounding telescopic springs form an elastic structure. When clamping, the buffer blocks first contact the scion's bark, and the springs are compressed to generate a reverse elastic force, avoiding damage to the bark caused by rigid clamping. The clamping groove on one side of the buffer blocks fits the circular cross-section of the scion, increasing the contact area. The clamping pad is made of soft silicone, which not only increases friction to prevent the scion from shaking, but also avoids scratching the scion's bark, ensuring that the scion's bark is intact after grafting and does not affect nutrient transport. Attached Figure Description

[0019] Figure 1 A schematic diagram of the structure of the fixing device for lychee grafting propagation provided by this utility model;

[0020] Figure 2 A front cross-sectional three-dimensional structural schematic diagram of the fixing device for lychee grafting propagation provided by this utility model;

[0021] Figure 3 A top cross-sectional three-dimensional structural schematic diagram of the fixing device for lychee grafting propagation provided by this utility model;

[0022] Figure 4 A right-side cross-sectional perspective view of the fixing device for lychee grafting propagation provided by this utility model.

[0023] Figure 5 A three-dimensional structural diagram of the left-side cross-section of the fixing device for lychee grafting propagation provided by this utility model;

[0024] Figure 6 The present invention provides a fixing device for lychee grafting propagation. Figure 2 Enlarged view of point A in the middle.

[0025] The diagram shows: 1. Fixed cone; 2. Fixed assembly; 3. Auxiliary assembly; 201. Threaded cylinder; 202. Scale; 203. Adjusting cylinder; 204. Rotating cylinder; 205. Rotating column; 206. Rotating handle; 207. Fixed groove; 208. Rotating handle; 209. Two-way lead screw; 210. Clamping block; 211. Clamping plate; 301. Buffer block; 302. Telescopic spring; 303. Clamping groove; 304. Clamping pad; 4. Vent hole; 5. Waterproof mesh; 6. Sealing strip; 7. Moisture-proof strip; 8. First magnet; 9. Recording board; 10. Second magnet; 11. Temperature-sensitive color-changing warning strip; 12. Reflective strip. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.

[0027] Therefore, the following detailed description of the embodiments of this utility model is not intended to limit the scope of the claimed utility model, but merely to illustrate some embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0028] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0029] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0030] like Figure 1 As shown, this embodiment proposes a fixing device for propagating litchi grafts, including a fixing cone 1, a fixing component 2 for fixing litchi scions on the fixing cone 1, and an auxiliary component 3 for assisting in fixing litchi scions on the fixing component 2.

[0031] like Figure 3 , Figure 4 and Figure 5As shown, the fixing assembly 2 includes a threaded cylinder 201 with threads threaded onto the circumference of a fixing cone 1. A scale 202 is fixedly mounted on one side of the fixing cone 1. An adjusting cylinder 203 is fixedly mounted on the top of the threaded cylinder 201. A rotating cylinder 204 is fixedly mounted on one side of the adjusting cylinder 203. A rotating column 205 is threadedly mounted on one side of the rotating cylinder 204. A rotating handle 206 is fixedly mounted on one side of the rotating column 205. A fixing groove 207 is fixedly mounted on the side of the rotating column 205 away from the rotating handle 206. A rotating handle 208 is fixedly mounted on one side of the fixing groove 207. A double-acting screw 209 is fixedly mounted on the side of the rotating handle 208 near the fixing groove 207. Clamping blocks 210 are threaded onto both sides of the double-acting screw 209. A clamping plate 211 is fixedly mounted on one side of the clamping block 210. In use, the fixing cone 1 provides the device with... The basic support can be inserted into the surrounding soil to ensure stability. The threaded cylinder 201 on the side of the fixed cone 1 can rotate and rise along the cone surface. With the help of the scale 202 on the side of the fixed cone 1, the height can be precisely adjusted. For example, the fixed groove 207 can be aligned with the grafting interface to avoid uneven force on the scion due to height deviation. The adjusting cylinder 203 at the top of the threaded cylinder 201 cooperates with the rotating cylinder 204. The rotating handle 206 drives the rotating column 205 to rotate, so that the fixed groove 207 and the scion are horizontally aligned, which can adapt to different grafting angle requirements such as cleft grafting and split grafting. The rotating handle 208 on the side of the fixed groove 207 drives the bidirectional screw 209 to rotate, so that the clamping blocks 210 on both sides move closer together. The scion is clamped by the clamping plate 211. The bidirectional screw 209 transmission ensures uniform clamping force, which can be flexibly adjusted according to the thickness of the scion to adapt to the size differences of different varieties of litchi scions.

[0032] like Figure 5 As shown, the auxiliary component 3 includes several buffer blocks 301 fixedly installed on one side of the clamping plate 211. A telescopic spring 302 is provided around the periphery of each buffer block 301. A clamping groove 303 is fixedly installed on one side of each buffer block 301. A clamping pad 304 is fixedly installed on the side of the clamping groove 303 away from the buffer block 301. The clamping pad 304 is made of silicone. In use, the several buffer blocks 301 on one side of the clamping plate 211 and the surrounding telescopic spring 302 form an elastic structure. During clamping, the buffer blocks 301 first contact the scion's bark, and the springs are compressed to generate a reverse elastic force, preventing damage to the bark caused by rigid clamping. The clamping groove 303 on one side of the buffer block 301 conforms to the circular cross-section of the scion, increasing the contact area. The clamping pad 304 is made of soft silicone, which not only increases friction to prevent the scion from shaking but also avoids scratching the scion's surface, ensuring the integrity of the scion's bark after grafting and not affecting nutrient transport.

[0033] like Figure 3As shown, several ventilation holes 4 are opened on the periphery of the clamping groove 303. Several waterproof meshes 5 are fixedly installed inside the ventilation holes 4. The waterproof meshes 5 are made of nylon. When in use, the ventilation holes 4 on the periphery of the clamping groove 303 can allow air circulation, preventing the joint from being sealed and stuffy and growing mold. The waterproof meshes 5 (nylon material) inside the holes can block rainwater and dew from entering the joint, preventing the scion from rotting due to water. Especially when grafting in the rainy season in the south, this design can reduce the mold rate of the joint and ensure normal healing of the joint after grafting.

[0034] like Figure 6 As shown, a sealing strip 6 is fixedly installed on the top of the clamping pad 304, and a moisture-proof strip 7 is fixedly installed on the top of the sealing strip 6. The sealing strip 6 is made of rubber, and the moisture-proof strip 7 is made of resin. When in use, the sealing strip 6 (rubber material) on the top of the clamping pad 304 can tightly fit the gap between the scion and the clamping groove 303 to reduce the intrusion of external moisture; the moisture-proof strip 7 (water-absorbing resin material) can absorb a small amount of moisture around the interface, keeping the interface dry. When used in a high humidity environment, it can effectively prevent the interface from rotting due to moisture, prolong the survival period of the scion, and improve the grafting survival rate.

[0035] like Figure 4 and Figure 6 As shown, a first magnet 8 is fixedly installed on one side of the fixing groove 207, a recording plate 9 is provided on one side of the fixing groove 207, and a second magnet 10 is fixedly installed on one side of the recording plate 9. The first magnet 8 and the second magnet 10 are magnetically connected to each other. When in use, the first magnet 8 on the side of the fixing groove 207 and the second magnet 10 on the side of the recording plate 9 attract each other, which can quickly fix the recording plate 9. The recording plate 9 can be marked with information such as scion variety, grafting date, and operator, without the need for additional tape or clips for fixation. Moreover, the recording plate 9 can be replaced at any time, which is convenient for the later management of grafted seedlings and is especially suitable for large-scale orchard grafting operations.

[0036] like Figure 4 As shown, a temperature-sensitive color-changing warning strip 11 is fixedly installed on one side of the threaded cylinder 201. When in use, the temperature-sensitive color-changing warning strip 11 on the side of the threaded cylinder 201 can intuitively indicate changes in ambient temperature. The suitable healing temperature for litchi scions is 15-28℃. The strip turns red when the temperature is >28℃ and blue when the temperature is <15℃. Abnormal ambient temperature can be intuitively judged without electronic equipment, reminding operators to take measures to avoid extreme temperatures causing frost damage or dehydration of the scions and improve environmental adaptability.

[0037] like Figure 4 As shown, several reflective strips 12 are fixedly installed on one side of the fixing groove 207. When in use, the reflective strips 12 on the side of the fixing groove 207 can help operators quickly identify the location of the device during orchard operations, avoiding accidental contact with the device during pruning or fertilization that could cause the scion to shift. At the same time, the reflective strips 12 can also remind pedestrians or agricultural machinery to avoid the device, reducing damage to the grafted seedlings from accidental collisions, and are suitable for the complex operating environment of the orchard.

[0038] Specifically, when using this lychee grafting propagation fixing device: the fixing cone 1 provides basic support for the device and can be inserted into the surrounding soil to ensure stability. The threaded cylinder 201 on the side of the fixing cone 1 can rotate and rise along the cone surface. With the help of the scale 202 on one side of the fixing cone 1, the height can be precisely adjusted. For example, the fixing groove 207 is aligned with the grafting interface to avoid uneven force on the scion due to height deviation. The adjusting cylinder 203 at the top of the threaded cylinder 201 cooperates with the rotating cylinder 204. Rotating the handle 206 drives the rotating column 205 to rotate, so that the fixing groove 207 is horizontally aligned with the scion, which is suitable for different grafting angles such as cleft grafting and split grafting. The rotating handle 208 on the side of the fixing groove 207 drives the bidirectional screw 209 to rotate, so that the clamping blocks 210 on both sides move closer together. The scion is clamped by the clamping plate 211. The bidirectional screw 209 transmission ensures uniform clamping force, which can be flexibly adjusted according to the thickness of the scion to adapt to the size differences of different varieties of lychee scions (such as...). Figure 3 , Figure 4 and Figure 5 As shown), several buffer blocks 301 on one side of the clamping plate 211 and the peripheral telescopic spring 302 form an elastic structure. During clamping, the buffer blocks 301 first contact the scion's bark, and the spring is compressed to generate a reverse elastic force, avoiding damage to the bark caused by rigid clamping. The clamping groove 303 on one side of the buffer block 301 fits the circular cross-section of the scion, increasing the contact area. The clamping pad 304 is made of soft silicone, which not only increases friction to prevent the scion from shaking, but also avoids scratching the scion's bark, ensuring the integrity of the scion's bark after grafting and not affecting nutrient transport (such as...). Figure 5 (As shown).

[0039] All technical features in this embodiment can be freely combined according to actual needs.

[0040] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.

Claims

1. A fixing device for lychee grafting propagation, comprising a fixing cone (1), characterized in that, The fixing cone (1) is provided with a fixing component (2) for fixing the litchi scion, and the fixing component (2) is provided with an auxiliary component (3) for assisting in fixing the litchi scion. The fixing assembly (2) includes a threaded cylinder (201) threaded around a fixing cone (1), a scale (202) fixedly mounted on one side of the fixing cone (1), an adjusting cylinder (203) fixedly mounted on the top of the threaded cylinder (201), a rotating cylinder (204) fixedly mounted on one side of the adjusting cylinder (203), a rotating column (205) threadedly mounted on one side of the rotating cylinder (204), a rotating handle (206) fixedly mounted on one side of the rotating column (205), a fixing groove (207) fixedly mounted on the side of the rotating column (205) away from the rotating handle (206), a rotating handle (208) fixedly mounted on one side of the fixing groove (207), a double-acting screw (209) fixedly mounted on the side of the rotating handle (208) near the fixing groove (207), clamping blocks (210) threadedly mounted on both sides of the double-acting screw (209), and a clamping plate (211) fixedly mounted on one side of the clamping block (210).

2. The fixing device for lychee grafting propagation according to claim 1, characterized in that, The auxiliary component (3) includes several buffer blocks (301) fixedly installed on one side of the clamping plate (211). A telescopic spring (302) is provided on the periphery of the buffer block (301). A clamping groove (303) is fixedly installed on one side of the buffer block (301). A clamping pad (304) is fixedly installed on the side of the clamping groove (303) away from the buffer block (301).

3. The fixing device for litchi grafting propagation according to claim 2, characterized in that, The clamping groove (303) has several ventilation holes (4) on its periphery, and several waterproof meshes (5) are fixedly installed inside the ventilation holes (4).

4. The fixing device for litchi grafting propagation according to claim 2, characterized in that, A sealing strip (6) is fixedly installed on the top of the clamping pad (304), and a moisture-proof strip (7) is fixedly installed on the top of the sealing strip (6).

5. The fixing device for lychee grafting propagation according to claim 1, characterized in that, A first magnet (8) is fixedly installed on one side of the fixing groove (207), a recording plate (9) is provided on one side of the fixing groove (207), and a second magnet (10) is fixedly installed on one side of the recording plate (9). The first magnet (8) and the second magnet (10) are magnetically connected to each other.

6. The fixing device for lychee grafting propagation according to claim 1, characterized in that, A temperature-sensitive color-changing warning strip (11) is fixedly installed on one side of the threaded cylinder (201).

7. The fixing device for litchi grafting propagation according to claim 1, characterized in that, Several reflective strips (12) are fixedly installed on one side of the fixing groove (207).

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