Sampling knife for rice seed selection

Abstract

The utility model discloses a rice seed selection sampling knife which comprises a left knife body and a right knife body which are arranged in a mirror image mode, each of the left knife body and the right knife body comprises a handle portion, a connecting portion and a knife portion which are sequentially connected, and the connecting portions of the left knife body and the right knife body are hinged and arranged in a crossed mode so that the two handle portions and the two knife portions can be unfolded and folded relative to the connecting portions. An inner blade and an outer blade are respectively formed on two sides of each cutter part, the inner blades of the two cutter parts jointly form a cutting structure for trimming roots, and the outer blades form a cutting structure for sampling plants. According to the technical scheme, the two inner blades can trim the roots of rice plants under unfolding and folding actions, the outer blades can sample and cut the plants, the whole structure is simple, implementation is easy, use is convenient, and the purpose of cutting and trimming the roots of the plants can be achieved through one tool at the same time.

Description

Technical Field

[0001] This utility model relates to the field of agricultural tools technology, and in particular to a knife for rice seed selection and sampling. Background Technology

[0002] The sampling process for rice or other economic crops is quite complex. It requires cutting the underground root system of the plant while preserving an appropriate length of root system, without affecting the subsequent cultivation of the plant. The plant is then removed from the soil, and the roots are trimmed. These actions typically require numerous tools, including cutting knives, shovels, hoes, and scissors, making the entire sampling process time-consuming and labor-intensive. Therefore, a tool capable of both cutting and trimming plant roots is desired to simplify the entire sampling process. Utility Model Content

[0003] In view of the above-mentioned problems in the existing technology, a rice seed selection and sampling knife is provided, which aims to simultaneously cut and prune the plant root system, thereby overcoming at least one of the above-mentioned technical defects.

[0004] The specific technical solution is as follows:

[0005] A rice seed selection and sampling knife includes a left knife body and a right knife body arranged in a mirror image. Each of the left and right knife bodies includes a handle, a connecting part, and a blade part connected in sequence. The connecting parts of the left and right knife bodies are hinged and arranged in a cross manner, so that both handles and both blade parts can be opened and closed relative to the connecting part.

[0006] The blade has an inner blade and an outer blade on each side. The inner blades of the two blades together form a shearing structure for root trimming, while the outer blade forms a cutting structure for plant sampling.

[0007] Preferably, the handles of both the left and right blades are semi-circular cylindrical structures, and when closed, the handles of the left and right blades are combined to form a single cylinder.

[0008] Preferably, the left and right blades each have an arc-shaped handguard on the opposite side of the handle.

[0009] Preferably, the outer edges of both blades have arc-shaped cutting edges that are concave in opposite directions.

[0010] Preferably, a connecting post is erected on each of the two handles near the connecting part. The opposite sides of the two connecting posts each form a slot, and a tension spring is installed between the two connecting posts. The two ends of the tension spring are respectively connected to the slots of the two connecting posts to provide an elastic force to the two handles to make them close together.

[0011] Preferably, a through hole is provided at the intersection of the two connecting parts, and a rotating shaft is inserted through the through hole. The two ends of the rotating shaft extend out of the through hole and are enlarged to make the two connecting parts hinged together.

[0012] Preferably, the upper and lower opposite sides of one end of the shank adjacent to the connecting part have arc-shaped cutting surfaces.

[0013] The beneficial effects of the above technical solution are as follows:

[0014] The rice seed selection and sampling knife includes a left and right blade that are hinged and arranged in a cross pattern. The blade includes a handle, a connecting part, and a blade. The blade has inner and outer blades on both sides, which allows the two inner blades to trim the roots of rice plants by opening and closing, while the outer blade can be used for plant sampling and cutting. The overall structure is simple, easy to implement and easy to use, and one set of tools can achieve the purpose of cutting and trimming the root system of plants at the same time. Attached Figure Description

[0015] Figure 1 This is a three-dimensional view of the rice seed selection and sampling knife of this utility model;

[0016] Figure 2 This is a perspective view of another state of the rice seed selection and sampling knife of this utility model;

[0017] Figure 3 This is a partial enlarged view of the rice seed selection and sampling knife of this utility model;

[0018] Figure 4 This is a partial three-dimensional view of the rice seed selection and sampling knife of this utility model. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this utility model easy to understand, the following embodiments are described in detail with reference to the accompanying drawings.

[0020] See Figures 1 to 4 As shown in the figure, the rice seed selection sampling knife provided in this embodiment includes a left knife body 1 and a right knife body 2 arranged in a mirror image. Both the left knife body 1 and the right knife body 2 include a handle 3, a connecting part 4, and a knife part 5 connected in sequence. The connecting parts 4 of the left knife body 1 and the right knife body 2 are hinged and arranged in a cross manner, so that the two handle parts 3 and the two knife parts 5 can be opened and closed relative to the connecting part 4. The two sides of the knife part 5 are respectively formed with an inner blade 6 and an outer blade 7. The inner blades 6 of the two knife parts 5 together form a shearing structure for root trimming, and the outer blades 7 form a cutting structure for plant sampling.

[0021] Based on the above technical scheme, the rice seed selection sampling knife includes a left knife body 1 and a right knife body 2 which are hingedly connected and arranged in a cross shape. The knife body includes a handle 3, a connecting portion 4, and a knife portion 5. The knife portion 5 has inner blades 6 and outer blades 7 on both sides, so that the two inner blades 6 can trim the roots of the rice plants in the unfolding and folding actions, and the outer blades 7 can be used for plant sampling. The overall structure is simple, easy to realize and convenient to use, and can simultaneously realize the purposes of cutting and trimming the roots of the plants with one tool.

[0022] In a preferred embodiment, the handle 3 of the left knife body 1 and the handle 3 of the right knife body 2 are both in a semicircular cylindrical structure, and in the folded state, the handles 3 of the left knife body 1 and the right knife body 2 are combined into one cylinder to facilitate the user to hold and use as a knife for plant sampling and cutting. Further, the side of the handle 3 of the left knife body 1 and the handle 3 of the right knife body 2 away from each other is further provided with an arc-shaped guard 8, so as to facilitate the user to unfold the knife handle for root trimming operation.

[0023] As a further preferred embodiment, the outer blades 7 of the two knife portions 5 are both provided with arc-shaped cutting openings 9 recessed in opposite directions, so as to facilitate the cutting of the plants. Further, as shown in Figure 3 , the handle 3 adjacent to the connecting portion 4 is further provided with a connecting column 10, and the side of the connecting column 10 away from each other is further provided with a slot 11, and a tension spring (not shown in the figure) is assembled between the two connecting columns 10, and the two ends of the tension spring are connected to the slots 11 of the two connecting columns 10, so as to provide elastic force to the two handles 3 to promote the folding of each other.

[0024] In the normal state, under the action of the tension spring, the rice seed selection sampling knife is in the folded state as shown in Figure 1 , which is used as a knife for plant sampling, and can be specifically inserted into the soil at an appropriate distance around the plant root, and cut around a circle to cut the root system without affecting the subsequent cultivation of the plant, so as to avoid breaking the root when the plant is taken out. And when the user unfolds the two handles 3 in opposite directions, it is used as a shearing tool for root trimming, and at the same time, based on the sampling use of rice or other plants at different stages, different sizes of sampling knives can be selected. For smaller sampling knives, the user can hold the two handles 3 with one hand and unfold the handle 3 with one hand for shearing, and for larger sampling knives, the user can hold the arc-shaped guards 8 of the two handles 3 with both hands to unfold for shearing the plant roots, which is more convenient and suitable for rice plant seed selection sampling at different growth stages.

[0025] In addition, in the state of Figure 1 , the two knife portions 5 are relatively folded and in a plate shape, which can actually be used as a shovel, and is also more convenient for plant cultivation and excavation. The present scheme is mainly used for rice sampling, but is also suitable for other economic crop sampling.

[0026] In a preferred embodiment, a through hole 13 is formed at the intersection of the two connecting portions 4, and a rotating shaft 14 is arranged in the through hole 13. The two ends of the rotating shaft 14 extend out of the through hole 13 and are enlarged, so as to facilitate the hinging of the two connecting portions 4. Further, the handle portion 3 has arc-shaped cutting surfaces 12 on the upper and lower sides adjacent to one end of the connecting portion 4, so that the handle portion 3 and the connecting portion 4 are connected by a circular arc, and the user can observe the shearing of the plant roots by the blade portion 5.

[0027] Specifically, the blade portion 5 and the connecting portion 4 are of an integrated structure and are integrally formed of stainless steel, and the handle portion 3 is preferably made of aluminum and is welded to the connecting portion 4, or is made of wood and is connected to the connecting portion 4 by iron nails, and is not limited thereto.

[0028] The above description is merely preferred embodiments of the present application, which are only illustrative but not restrictive. It is understood by those skilled in the art that many changes, modifications, and even equivalents can be made to the present application within the spirit and scope of the present application as defined by the claims, and all such changes, modifications, and equivalents shall fall within the scope of the present application.

Claims

1. A rice seed selection sampling knife characterized by comprising: The utility model provides a double-blade cutting device, which comprises a mirror image arrangement of a left blade body (1) and a right blade body (2), each of the left blade body (1) and the right blade body (2) comprises a handle (3), a connecting part (4) and a blade (5) in sequence, the connecting parts (4) of the left blade body (1) and the right blade body (2) are hingedly connected and arranged in a cross manner, so that the two handles (3) and the two blades (5) can be unfolded and folded relative to the connecting parts (4). The left blade body (1) and the right blade body (2) are provided with inner blades (6) and outer blades (7) on both sides of the blades (5) respectively, and the inner blades (6) of the two blades (5) jointly form a shearing structure for root trimming, and the outer blades (7) form a cutting structure for plant sampling.

2. The rice seed sampling knife of claim 1, wherein, The handle (3) of the left blade body (1) and the right blade body (2) is in a semicircular columnar structure, and in the folded state, the handles (3) of the left blade body (1) and the right blade body (2) jointly form a cylindrical body.

3. The rice seed sampling knife of claim 2, wherein, The handle (3) of the left blade body (1) and the right blade body (2) is in a semicircular columnar structure, and in the folded state, the handles (3) of the left blade body (1) and the right blade body (2) jointly form a cylindrical body.

4. The rice seed sampling knife of claim 1, wherein, The handle (3) of the left blade body (1) and the right blade body (2) is in a semicircular columnar structure, and in the folded state, the handles (3) of the left blade body (1) and the right blade body (2) jointly form a cylindrical body.

5. The rice seed sampling knife of claim 1, wherein, The outer blades (7) of the two blades (5) are provided with arc-shaped cutting mouths (9) recessed in a direction facing each other.

6. The rice seed sampling knife of claim 5, wherein, The handle (3) of the left blade body (1) and the right blade body (2) is in a semicircular columnar structure, and in the folded state, the handles (3) of the left blade body (1) and the right blade body (2) jointly form a cylindrical body.

7. The rice seed sampling knife of claim 6 wherein, The connecting parts (4) of the left blade body (1) and the right blade body (2) are provided with through holes (13) at the cross position, and a rotating shaft (14) is arranged in the through holes (13), the rotating shaft (14) is expanded at both ends and protrudes out of the through holes (13), so that the connecting parts (4) are hingedly connected. The handle (3) of the left blade body (1) and the right blade body (2) is in a semicircular columnar structure, and in the folded state, the handles (3) of the left blade body (1) and the right blade body (2) jointly form a cylindrical body.

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