Grafting fixing device for watermelons planted in greenhouse

Abstract

The grafting fixing device comprises a clamp and two inserting rods, the clamp comprises a first clamping plate and a second clamping plate, one end of the first clamping plate and one end of the second clamping plate are jointly connected with a V-shaped connecting elastic piece, and the other end of the first clamping plate and the other end of the second clamping plate are connected through a clamping mechanism. Arc-shaped clamping grooves are formed in the corresponding positions of the first clamping plate and the second clamping plate; when the melon seedling grafting device is used, the inserting rod is inserted into soil so that the arc-shaped clamping grooves in the first clamping plate can be attached to the grafting position of a melon seedling, then the second clamping plate is rotated relative to the first clamping plate through the V-shaped connecting elastic piece, the first clamping plate and the second clamping plate are clamped through the clamping mechanism, and then the grafting position of the melon seedling can be clamped in the two arc-shaped clamping grooves; the melon seedling grafting device is simple in operation, convenient to use, simple in structure, capable of being produced in an injection molding mode, low in manufacturing cost and easy to popularize and apply on a large scale.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural grafting, in particular to a grafting fixing device for greenhouse-planted watermelons. Background Art

[0002] The technology of grafting watermelon seedlings as scions onto gourds or pumpkins, and transplanting them to greenhouses after they have healed, and utilizing the strong root system and disease resistance of gourds or pumpkins to make watermelons produce high yields, is called grafting root replacement technology. It can shorten the rotation period of watermelon, effectively prevent the occurrence of wilt disease, and at the same time improve the cold resistance of watermelon, promote the growth of seedlings and increase watermelon yield.

[0003] When the watermelon seedlings are docked, the docking point needs to be fixed. After searching, the patent with the announcement number CN219719170U discloses a greenhouse watermelon grafting fixing device, in which the rotating rod limits the threaded sleeve through the semicircular sliding rod to prevent the threaded sleeve from rotating. The circular ring rotates on the surface of the threaded sleeve and gradually moves away from the threaded sleeve, and squeezes the corresponding clamping block, so that the clamping block rotates around the rotating axis and drives the two arc grooves to approach or move away from each other. The distance between the two arc grooves is adjusted so that the fixing device can fix watermelon rhizomes of different sizes, thereby improving the application range of the fixing device, avoiding excessive clamping of the watermelon body during the fixing process, damaging the grafting part, and improving the survival rate of the grafting.

[0004] Although the above scheme can clamp and fix the grafting of melon seedlings of different sizes, the structure is too complicated, inconvenient to produce, expensive, and lacks the function of supporting the melon seedlings. The weight of the clamp is completely borne by the melon seedlings, which easily causes the melon seedlings to tilt and fall, which is not conducive to the growth of the melon seedlings.

[0005] The patent with announcement number CN219593113U discloses a greenhouse watermelon grafting fixing device. When in use, two fixing clamps are sleeved on the grafting, and then multiple threaded rods are screwed so that the multiple threaded rods rotate inside the corresponding cylindrical threaded sleeves and move downward at the same time. According to the height of the grafting, the length of the threaded rods is adjusted, and then the multiple support rods are opened outward, and multiple ground nails are inserted into the soil to fix the threaded rods and the support rods. After the two fixing clamp rings are sleeved on the grafting, the grafting is clamped and fixed by two arc clamps, and then the binding belt is wrapped around the outer surfaces of the two support blocks to fix the two support blocks together, so that the two fixing clamps are closed to clamp the grafting. The four support rods and the four threaded rods are located on the four sides of the grafting, and the two fixing clamps are supported while supporting the grafting, thereby achieving the support effect, improving stability, and preventing the grafted seedlings from tilting.

[0006] Compared with the first solution, the above solution can support the melon seedlings, but it still has the disadvantages of being too complex in structure and having high production costs, which is not conducive to large-scale popularization and needs to be improved. Utility Model Content

[0007] The purpose of the utility model is to provide a greenhouse watermelon grafting fixing device to solve the problems raised in the above-mentioned background technology.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A device for fixing watermelon grafting in a greenhouse comprises a clamp and two insertion rods. The clamp comprises a first clamping plate and a second clamping plate. One end of the first clamping plate and the second clamping plate are commonly connected with a V-shaped connecting spring sheet. The other ends of the first clamping plate and the second clamping plate are mutually connected through a clamping mechanism. The first clamping plate and the second clamping plate are both provided with arc-shaped clamping grooves at corresponding positions. The two insertion rods are both detachably connected to the first clamping plate.

[0010] As a further solution of the utility model: the clamping mechanism includes a ratchet block and a ratchet bar, an open groove is provided at the top of the second clamping plate at one end away from the V-shaped connecting spring piece, the ratchet block is fixedly arranged in the open groove, the ratchet bar is fixedly arranged at the front wall of the first clamping plate corresponding to the open groove, and grooves are provided on both side outer walls of the ratchet bar close to the first clamping plate.

[0011] As a further solution of the utility model: sponge sheets are adhered and fixed to the inner walls of the arc-shaped clamping grooves.

[0012] As a further solution of the utility model: a connecting seat is fixedly provided on the rear wall of the first splint near both ends, a through hole is opened on the connecting seat, the aperture of the through hole is smaller than the diameter of the top end of the insertion rod, and two thin sheets are fixedly connected to the top end of the insertion rod, the thin sheets pass through the through hole, and a clamping block is fixedly provided on the outer wall of the thin sheet above the through hole.

[0013] As a further solution of the utility model: the first clamping plate, the second clamping plate, the V-shaped connecting spring piece, the ratchet block, the ratchet bar and the connecting seat are an integral injection molding structure.

[0014] As a further solution of the utility model: the insert rod, the thin sheet and the clamping block are an integral injection-molded structure.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] When the utility model is in use, the insertion rod is inserted into the soil so that the arc-shaped clamping groove on the first clamping plate is attached to the grafting part of the melon seedling. Then, the second clamping plate is rotated relative to the first clamping plate by using the V-shaped connecting spring piece, and the first clamping plate and the second clamping plate are clamped by using the clamping mechanism, so that the grafting part of the melon seedling can be clamped in the two arc-shaped clamping grooves to fix the grafting part of the melon seedling and support the melon seedling. The operation is simple and the use is convenient. The device has a simple structure and can be produced by injection molding. The manufacturing cost is low and it is easy to promote and apply on a large scale. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The present invention is a schematic diagram of the closed state of a clamp in a greenhouse watermelon grafting fixing device.

[0018] Figure 2 The present invention is a schematic diagram of the open state of a clamp in a greenhouse watermelon grafting fixing device.

[0019] Figure 3 for Figure 1 Enlarged view of point A in the middle.

[0020] Figure 4 The present invention is a schematic diagram of the front view structure of a clamp in a greenhouse watermelon grafting fixing device.

[0021] Figure 5 The present invention is a schematic diagram of an insertion rod in a grafting fixing device for growing watermelons in a greenhouse.

[0022] Among them, the first clamping plate 1, the second clamping plate 2, the V-shaped connecting spring piece 3, the arc clamping groove 4, the sponge sheet 5, the opening groove 6, the ratchet block 7, the ratchet bar 8, the groove 9, the connecting seat 10, the through hole 11, the insertion rod 12, the thin sheet 13, and the clamping block 14. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 5In an embodiment of the utility model, a greenhouse watermelon grafting and fixing device includes a clamp and two insertion rods 12. The clamp is an integrated injection molding structure. The clamp includes a first clamp plate 1 and a second clamp plate 2. One end of the first clamp plate 1 and the second clamp plate 2 are commonly connected with a V-shaped connecting spring piece 3. The other ends of the first clamp plate 1 and the second clamp plate 2 are connected to each other through a clamping mechanism. The corresponding positions on the first clamp plate 1 and the second clamp plate 2 are both provided with arc-shaped clamping grooves 4. The two insertion rods 12 are both detachably connected to the first clamp plate 1.

[0025] The utility model adopts the above scheme. When in use, after the first clamping plate 1 is connected to the two insertion rods 12, the insertion rods 12 are inserted into the soil so that the first clamping plate 1 is located on one side of the grafted melon seedlings, and the arc-shaped clamping groove 4 on the first clamping plate 1 is aligned with the grafting part of the melon seedlings. Then, the second clamping plate 2 is rotated relative to the first clamping plate 1 by using the V-shaped connecting spring piece 3, and the first clamping plate 1 and the second clamping plate 2 are clamped by using the clamping mechanism, so that the grafting part of the melon seedlings can be clamped in the two arc-shaped clamping grooves 4, so as to fix the grafting part of the melon seedlings and support the melon seedlings. The operation is simple and the use is convenient. The device has a simple structure and can be produced by injection molding. The manufacturing cost is low and it is easy to promote and apply on a large scale.

[0026] Specific combination Figure 1-4 In one embodiment of the utility model, the clamping mechanism includes a ratchet block 7 and a ratchet bar 8. An open groove 6 is provided at one end of the top of the second splint 2 away from the V-shaped connecting spring piece 3. The ratchet block 7 is fixedly arranged in the open groove 6. The ratchet bar 8 is fixedly arranged at the corresponding position of the front wall of the first splint 1 and the open groove 6. The outer walls of both sides of the ratchet bar 8 near the first splint 1 are provided with grooves 9.

[0027] Through the cooperation between the ratchet bar 8 and the ratchet block 7, the clamping positioning between the first clamp 1 and the second clamp 2 can be achieved, and by cooperating different parts of the ratchet bar 8 with the ratchet block 7, the positioning angle between the first clamp 1 and the second clamp 2 can be adjusted, thereby controlling the spacing between the two arc-shaped clamping grooves 4 to adapt to melon seedlings of different sizes. Through the setting of the two grooves 9, a weak point can be formed on the ratchet bar 8. When the grafting joint is healed, pressing the end of the ratchet bar 8 away from the first clamp 1 can cause the ratchet 8 to deform at the weak point, thereby disengaging the ratchet bar 8 from the ratchet block 7, so that the clamp can be removed from the melon seedling. The operation is simple and convenient.

[0028] Specific combination Figure 1 In one embodiment of the utility model, a sponge sheet 5 is pasted and fixed to the inner wall of the arc-shaped clamping groove 4, so as to utilize the good deformation ability and elasticity of the sponge sheet 5 to clamp the grafting part of the melon seedling and avoid damage to the melon seedling due to over-tight clamping.

[0029] Specific combination Figure 5 In one embodiment of the utility model, a connecting seat 10 is fixedly provided on the rear wall of the first splint 1 near both ends, and a through hole 11 is opened on the connecting seat 10. The aperture of the through hole 11 is smaller than the diameter of the top end of the insertion rod 12. Two thin sheets 13 are fixedly connected to the top end of the insertion rod 12. The thin sheets 13 pass through the through hole 11, and a block 14 is fixedly provided on the outer wall of the thin sheet 13 above the through hole 11.

[0030] By passing the block 14 on the thin sheet 13 through the through hole 11, the insertion rod 12 can be clamped on the connecting seat 10 to achieve the fixation between the insertion rod 12 and the first splint 1. When the grafting joint is healed, when removing the device, it is only necessary to press the top ends of the two thin sheets 13 to deform them so that the block 14 can pass through the through hole 11, thereby facilitating the removal of the insertion rod 12 from the first splint 1. The operation is simple and convenient.

[0031] In addition, in some preferred embodiments of the present invention, the insertion rod 12 and the connecting seat 10 can also be fixedly connected by threaded connection or interference fit. Of course, the insertion rod 10 and the first clamping plate 1 can also be an integral injection molded structure. Although it cannot be disassembled and stored, it is easier to produce the device.

[0032] In the present invention, the first clamping plate 1, the second clamping plate 2, the V-shaped connecting spring piece 3, the ratchet block 7, the ratchet bar 8 and the connecting seat 10 are an integral injection molding structure, and the insert rod 12, the thin sheet 13 and the clamping block 14 are an integral injection molding structure.

[0033] By adopting the one-piece injection molding method, the clamp and the insertion rod 11 can be quickly mass-produced, and the elasticity of the plastic material can be used to facilitate the deformation of the V-shaped connecting spring piece 3 and the ratchet bar 8.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A watermelon grafting and fixing device for greenhouse planting, characterized in that: The clamp comprises a first clamp (1) and a second clamp (2), wherein one end of the first clamp (1) and the second clamp (2) are commonly connected with a V-shaped connecting spring (3), the other ends of the first clamp (1) and the second clamp (2) are mutually connected via a clamping mechanism, and arc-shaped clamping grooves (4) are provided at corresponding positions on the first clamp (1) and the second clamp (2), and the two inserting rods (12) are detachably connected to the first clamp (1).

2. A greenhouse watermelon grafting and fixing device according to claim 1, characterized in that: The clamping mechanism comprises a ratchet block (7) and a ratchet bar (8); an opening groove (6) is provided at one end of the top of the second clamping plate (2) away from the V-shaped connecting spring sheet (3); the ratchet block (7) is fixedly arranged in the opening groove (6); the ratchet bar (8) is fixedly arranged at the corresponding position of the front wall of the first clamping plate (1) and the opening groove (6); and grooves (9) are provided on both side outer walls of the ratchet bar (8) near the first clamping plate (1).

3. A greenhouse watermelon grafting and fixing device according to claim 1, characterized in that: The inner walls of the arc-shaped clamping grooves (4) are all adhered and fixed with sponge sheets (5).

4. A greenhouse watermelon grafting and fixing device according to claim 2, characterized in that: A connecting seat (10) is fixedly provided on the rear wall of the first clamping plate (1) near both ends, and a through hole (11) is opened on the connecting seat (10). The hole diameter of the through hole (11) is smaller than the diameter of the top end of the insertion rod (12). Two thin sheets (13) are fixedly connected to the top end of the insertion rod (12). The thin sheets (13) pass through the through hole (11), and a clamping block (14) is fixedly provided on the outer wall of the thin sheet (13) above the through hole (11).

5. The watermelon grafting and fixing device for greenhouse planting according to claim 4, characterized in that: The first clamping plate (1), the second clamping plate (2), the V-shaped connecting spring sheet (3), the ratchet block (7), the ratchet bar (8) and the connecting seat (10) are an integral injection-molded structure.

6. The watermelon grafting and fixing device for greenhouse planting according to claim 4, characterized in that: The insert rod (12), the thin sheet (13) and the clamping block (14) are an integral injection-molded structure.

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