A rice stem injection type disease resistance inducer application needle

Abstract

The utility model relates to the field of rice stem injection, specifically is a kind of rice stem injection type disease resistance inducer application needle, including injection needle cylinder and injection needle, the surface of injection needle cylinder is fixedly connected with injection needle, the surface of injection needle is provided with limiting device, the limiting device includes support rod;The utility model cooperates with injection needle cylinder, injection needle and limiting device, when injecting disease resistance inducer to rice stem, the angle and depth of injection needle piercing rice stem are limited, to avoid the inconvenient smooth injection of disease resistance inducer due to the wrong piercing depth or angle, solve the problem that the existing needle is mostly smooth straight rod, lack of scale or limiting device, it is difficult to accurately control piercing depth and angle when manually operating, if piercing is too shallow, liquid medicine stays near epidermis, is easy to evaporate or lose, too deep can pierce stem, liquid medicine leaks out directly, while damaging contralateral tissue.

Description

Technical Field

[0001] This utility model relates to the field of rice stem injection, specifically a rice stem injection-type disease resistance inducer application needle. Background Technology

[0002] Rice stem injection is a precision application or intervention technique that involves injecting specific substances directly into the rice stem using an injection needle. Its core is to utilize the vascular bundle system of the rice stem to target and deliver substances to key parts of the plant in order to achieve purposes such as disease control, growth regulation, and scientific research.

[0003] Most existing needles are smooth straight rods, lacking scales or limiting devices. It is difficult to accurately control the insertion depth and angle when operating manually. If the insertion is too shallow, the medicine will remain near the epidermis and easily evaporate or be lost. If the insertion is too deep, it may pierce the stem, causing the medicine to leak out directly and damaging the tissue on the opposite side. Utility Model Content

[0004] To address the shortcomings of existing technologies, most needles are smooth straight rods lacking graduations or limiting devices, making it difficult to precisely control the insertion depth and angle during manual operation. If the insertion is too shallow, the liquid remains near the epidermis and is prone to evaporation or loss; if it is too deep, it may pierce the stem, causing the liquid to leak out directly and damaging the tissue on the opposite side. This invention proposes a rice stem injection-type disease resistance inducer application needle.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a rice stem injection-type disease resistance inducer application needle, including an injection syringe and an injection needle, wherein the injection needle is fixedly connected to the surface of the injection syringe, and a limiting device is provided on the surface of the injection needle; The limiting device includes two support rods. A guide block is movably connected to the inner cavity of each support rod. A connecting rod is fixedly connected to the surface of the guide block. A sliding block is movably connected to the surface of the injection needle. The surface of the sliding block is fixedly connected to the surface of the connecting rod. A sliding plate is movably connected to the surface of the injection needle.

[0006] Preferably, a limiting groove is formed on the surface of the sliding plate, and the limiting groove is arc-shaped.

[0007] Preferably, a guide groove is provided on one side of the support rod, and the inner cavity of the guide groove is movably connected to the surface of the guide block.

[0008] Preferably, a damping pad is fixedly sleeved on the surface of the guide block, and the surface of the damping pad is in contact with the inner cavity of the guide groove.

[0009] Preferably, a limiting plate is fixedly connected to the surface of the guide groove, and the surface of the limiting plate is in contact with the surface of the guide block.

[0010] Preferably, a limiting block is fixedly sleeved on the surface of the injection needle, and the surface of the limiting block is in contact with the surface of the sliding plate.

[0011] Preferably, a comparison plate is fixedly connected to the surface of one of the support rods, and the surface of the comparison plate is provided with a scale.

[0012] The advantages of this utility model are: This invention utilizes an injection syringe, injection needle, and limiting device to limit the angle and depth of the injection needle's insertion into the rice stem when injecting disease-inducing agents into the rice stem. This prevents incorrect insertion depth or angle, which could hinder the smooth injection of the disease-inducing agent. It also solves the problems of existing needles, which are mostly smooth straight rods lacking graduations or limiting devices, making it difficult to accurately control the insertion depth and angle during manual operation. If the insertion is too shallow, the liquid remains near the epidermis and is prone to evaporation or loss; if it is too deep, it may puncture the stem, causing the liquid to leak out directly and damaging the opposite tissue. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 For the present utility model Figure 1 Enlarged structural diagram at point A in the middle; Figure 3 This is a schematic diagram of the cross-sectional structure of the support rod of this utility model; Figure 4 For the present utility model Figure 3 Enlarged structural diagram at point B.

[0015] In the diagram: 1. Injection syringe; 2. Injection needle; 3. Limiting device; 301. Support rod; 302. Comparison plate; 303. Limiting groove; 304. Sliding plate; 305. Sliding block; 306. Limiting block; 307. Connecting rod; 308. Guide groove; 309. Guide block; 310. Damping pad; 311. Limiting plate. Detailed Implementation

[0016] 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 scope of protection of the present utility model.

[0017] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail. This application discloses a rice stem injection-type disease resistance inducer application needle. (Refer to...) Figure 1 and Figure 4 A rice stem injection-type disease resistance inducer application needle includes an injection syringe 1 and an injection needle 2. The injection needle 2 is fixedly connected to the surface of the injection syringe 1, and a limiting device 3 is provided on the surface of the injection needle 2. The limiting device 3 includes two support rods 301. A guide block 309 is movably connected to the inner cavity of the support rod 301. A connecting rod 307 is fixedly connected to the surface of the guide block 309. A sliding block 305 is movably connected to the surface of the injection needle 2. The surface of the sliding block 305 is fixedly connected to the surface of the connecting rod 307. A sliding plate 304 is movably connected to the surface of the injection needle 2.

[0018] Reference Figure 2 A limiting groove 303 is provided on the surface of the sliding plate 304. The limiting groove 303 is arc-shaped. Due to the arc shape of the limiting groove 303, the surface of the sliding plate 304 can better fit with the surface of the rice stalk, and to a certain extent prevent the sliding plate 304 from rotating when sliding on the surface of the injection needle 2. Reference Figure 3 A guide groove 308 is provided on one side of the support rod 301. The inner cavity of the guide groove 308 is movably connected to the surface of the guide block 309. The guide groove 308 guides the guide block 309 to slide in the inner cavity of the support rod 301, thereby improving the stability of the guide block 309 sliding in the inner cavity of the support rod 301. Reference Figure 4 A damping pad 310 is fixedly sleeved on the surface of the guide block 309. The surface of the damping pad 310 contacts the inner cavity of the guide groove 308. The damping pad 310 increases the friction between the surface of the guide block 309 and the inner cavity of the guide groove 308. When the guide block 309 slides to any position in the guide groove 308, it is damped and fixed by the friction between the damping pad 310 and the inner cavity of the guide groove 308. This indirectly drives the sliding block 305 to slide on the surface of the injection needle 2 and then be damped and fixed. Reference Figure 4A limiting plate 311 is fixedly connected to the surface of the guide groove 308. The surface of the limiting plate 311 contacts the surface of the guide block 309. By setting the limiting plate 311, when the guide block 309 slides in the inner cavity of the guide groove 308 and contacts the limiting plate 311, the guide block 309 slides to the maximum extent to one side of the guide groove 308 to prevent the guide block 309 from leaving the inner cavity of the guide groove 308. Reference Figure 3 A limiting block 306 is fixedly sleeved on the surface of the injection needle 2. The surface of the limiting block 306 is in contact with the surface of the sliding plate 304. The limiting block 306 limits the sliding plate 304 when it slides on the surface of the injection needle 2, preventing the sliding plate 304 from detaching from the surface of the injection needle 2. Reference Figure 2 A comparison plate 302 is fixedly connected to the surface of one of the support rods 301. The surface of the comparison plate 302 is provided with a scale. By setting the comparison plate 302, when the sliding block 305 drives the connecting rod 307 to slide on the surface of the support rod 301, the distance of the sliding of the connecting rod 307 is compared with the scale on the surface of the comparison plate 302, and the distance of the sliding of the sliding block 305 is indirectly referenced.

[0019] Working principle: When the injection syringe 1 and injection needle 2 are used together to inject disease-inducing agent into rice stems, first, hold the rice stem with one hand, then pick up the injection syringe 1 and prepare to insert the injection needle 2 into the rice stem. When the tip of the injection needle 2 is inserted into the surface of the rice stem, the sliding plate 304 will first contact the surface of the rice stem. The sliding plate 304 itself slides at a 45-degree angle on the surface of the injection needle 2, helping the operator adjust the correct insertion angle. As the tip of the injection needle 2 slowly penetrates into the rice stem, it will drive the sliding plate 304 to slide on the surface of the injection needle 2 until the surface of the sliding plate 304 contacts the surface of the sliding block 305. At this point, the tip of the injection needle 2 has penetrated one-third of its own length, thus achieving the optimal injection depth. Then, the operator pushes the push rod in the injection syringe 1 to inject the disease-inducing agent inside the injection syringe 1 into the rice stem. Since different rice stems have different thicknesses, adjustments are needed. The injection needle 2 is inserted into the rice stem to reach the optimal injection position. Before inserting the injection needle 2 into the rice stem, the operator can push the sliding block 305. The sliding block 305 drives the connecting rod 307 to move, and the connecting rod 307 drives the guide block 309 to slide in the inner cavity of the guide groove 308 in the support rod 301. At the same time, the damping pad 310 also slides in the inner cavity of the guide groove 308 along with the sliding of the guide block 309. Meanwhile, the operator can observe the surface of the comparison plate 302. The scale is used as a reference to the depth to which the injection needle 2 will be inserted. When the sliding block 305 drives the connecting rod 307 to slide to the appropriate position on the surface of the injection needle 2, the friction between the damping pad 310 and the inner cavity of the guide groove 308 indirectly dampens and fixes the sliding block 305. At this time, the distance that the injection needle 2 inserts and drives the sliding plate 304 to slide will move with the movement of the sliding block 305. Therefore, the depth of the injection needle 2 piercing the rice stalk can be limited and compared to ensure that it is inserted to the appropriate depth.

[0020] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A rice stem injection-type disease resistance inducer application needle, comprising an injection syringe (1) and an injection needle (2), characterized in that: The injection needle (2) is fixedly connected to the surface of the injection syringe (1), and a limiting device (3) is provided on the surface of the injection needle (2). The limiting device (3) includes a support rod (301), and there are two support rods (301). The inner cavity of the support rod (301) is movably connected to a guide block (309). The surface of the guide block (309) is fixedly connected to a connecting rod (307). The surface of the injection needle (2) is movably connected to a sliding block (305). The surface of the sliding block (305) is fixedly connected to the surface of the connecting rod (307). The surface of the injection needle (2) is movably connected to a sliding plate (304).

2. The rice stem injection-type disease resistance inducer application needle according to claim 1, characterized in that: The sliding plate (304) has a limiting groove (303) on its surface, and the limiting groove (303) is arc-shaped.

3. The rice stem injection-type disease resistance inducer application needle according to claim 1, characterized in that: A guide groove (308) is provided on one side of the support rod (301), and the inner cavity of the guide groove (308) is movably connected to the surface of the guide block (309).

4. The rice stem injection-type disease resistance inducer application needle according to claim 1, characterized in that: The surface of the guide block (309) is fixedly fitted with a damping pad (310), and the surface of the damping pad (310) is in contact with the inner cavity of the guide groove (308).

5. The rice stem injection-type disease resistance inducer application needle according to claim 3, characterized in that: The guide groove (308) is fixedly connected to a limiting plate (311), and the surface of the limiting plate (311) is in contact with the surface of the guide block (309).

6. The rice stem injection-type disease resistance inducer application needle according to claim 1, characterized in that: The surface of the injection needle (2) is fixedly fitted with a limiting block (306), and the surface of the limiting block (306) is in contact with the surface of the sliding plate (304).

7. The rice stem injection-type disease resistance inducer application needle according to claim 1, characterized in that: A comparison plate (302) is fixedly connected to the surface of one of the support rods (301), and the surface of the comparison plate (302) is provided with a scale.

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