Row spacing adjustable rod for corn seeding

Abstract

The utility model discloses a row spacing adjustable rod for corn seeding. The row spacing adjustable rod comprises a connecting part and a pressing and fixing part, the connecting part comprises a central shaft, circular limiting plates are arranged at the upper end and the lower end of the central shaft, three distance measuring parts are arranged on the central shaft, each distance measuring part comprises a distance measuring rod, one side of each distance measuring rod is rotationally connected with the central shaft, and a positioning part is arranged on each distance measuring part; the planting distance rod has the advantages that the relative positions of the distance measuring parts can be adjusted, the positions of the adjusted distance measuring parts can be fixed, the planting distance rod can achieve seeding measurement positioning operation in multiple directions at a time in cooperation with the existence of the positioning part, the planting distance rod is convenient to adapt to seeding operation of multiple persons, and the planting distance rod is convenient to use and high in practicability. The corn seeding efficiency can be effectively improved; the distance measuring part can be stored and fixed, the space utilization rate of the plant spacing rod is effectively improved, follow-up carrying is facilitated, great convenience is brought to a user, and product popularization and use are facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of corn sowing, and in particular relates to a corn sowing rod with adjustable plant spacing. Background Art

[0002] In order to ensure the healthy growth of corn, it is often necessary to control the plant spacing of corn during corn sowing. At present, the next corn sowing position is often measured and determined with the help of a plant spacing rod. For example, Patent 202010784389.9 discloses an adjustable plant spacing rod for corn sowing, which can be retracted or fixed and has good practicality. However, when the above-mentioned plant spacing rod is used, it can only measure and fix the plant spacing in one direction at a time, which greatly limits the efficiency of corn sowing. Summary of the invention

[0003] In order to solve the above problems, the utility model provides a novel corn sowing adjustable plant spacing rod, which can improve the sowing efficiency, can be folded and stored, and is easy to carry, as described below for details.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The utility model provides a corn sowing adjustable plant spacing rod, comprising a connecting portion and a pressing and fixing portion;

[0006] The connecting part comprises a central axis, and circular limit plates are arranged at both upper and lower ends of the central axis, and three distance measuring parts are arranged on the central axis, and a positioning part is arranged on the distance measuring part;

[0007] The pressing and fixing portion is connected to the connecting portion.

[0008] Preferably, the ranging part includes a ranging rod, one side of which is rotatably connected to the central axis, a slide groove is provided in the middle of the ranging rod, and scale lines are provided at the front and rear ends of the slide groove on the ranging rod to achieve connection and installation between the ranging part and the connecting part, thereby ensuring the plant spacing measurement and positioning function of the plant spacing rod during corn planting.

[0009] Preferably, a mounting hole corresponding to the central axis is provided on the ranging rod, and the central axis and the mounting hole are installed in coordination, laying a foundation for the connection and installation between the ranging part and the connecting part.

[0010] Preferably, the positioning part includes a slider, which is located inside the slide groove, and the slider and the slide groove are installed in coordination. The slider is provided with two positioning anti-slip pointers which are opposite to each other up and down, so as to realize the connection and installation between the positioning part and the ranging part, and lay the foundation for the positioning operation of corn sowing.

[0011] Preferably, the lower end surface of the upper positioning anti-dropping pointer contacts the upper end surface of the ranging rod, and the upper end surface of the lower positioning anti-dropping pointer contacts the lower end surface of the ranging rod, thereby increasing the friction between the positioning part and the ranging rod, and preventing the ranging rod from sliding randomly.

[0012] Preferably, the clamping and fixing part includes a clamping screw, which is threadedly connected to the circular limit plate at the upper end, and the lower end of the clamping screw passes through the circular limit plate. The clamping screw and the ranging rod correspond to each other up and down, and an adjusting hand wheel is provided at the upper end of the clamping screw to realize the connection and installation between the clamping and fixing part and the connecting part, laying a foundation for the clamping and fixing of the ranging part.

[0013] Preferably, a threaded hole corresponding to the clamping screw is provided on the circular limiting plate at the upper end, and the clamping screw and the threaded hole are installed in coordination, laying a foundation for the connection and installation between the clamping fixing part and the connecting part.

[0014] The beneficial effects of the utility model are:

[0015] The utility model can adjust the relative positions of the distance measuring parts, and can also fix the positions of the distance measuring parts after adjustment. With the existence of the positioning part, the plant spacing rod can realize the sowing measurement and positioning operations in multiple directions at one time, which is convenient for adapting to the sowing operation of multiple people and can effectively improve the sowing efficiency of corn.

[0016] The distance measuring part of the utility model can be stored and fixed, which effectively improves the space utilization rate of the plant distance rod, is easy to carry later, brings great convenience to the user, and is convenient for the promotion and use of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a front view structural schematic diagram of the utility model;

[0019] Figure 2 This utility model Figure 1 Schematic diagram of the three-dimensional structure;

[0020] Figure 3 This utility model Figure 1 Schematic diagram of the front cross-sectional structure.

[0021] The following are the descriptions of the reference numerals:

[0022] 1. Connecting part; 101. Circular limiting plate; 102. Central axis; 2. Distance measuring part; 201. Distance measuring rod; 202. Slide groove; 203. Scale line; 204. Mounting hole; 3. Positioning part; 301. Positioning anti-dropping pointer; 302. Sliding block; 4. Clamping and fixing part; 401. Clamping screw; 402. Adjusting hand wheel. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0024] See also Figure 1-Figure 3 As shown, the utility model provides an adjustable plant spacing rod for corn sowing, including a connecting part 1 and a pressing and fixing part 4; the connecting part 1 includes a central axis 102, and circular limit plates 101 are provided at both upper and lower ends of the central axis 102. Three distance measuring parts 2 are provided on the central axis 102. Specifically, the distance measuring part 2 includes a distance measuring rod 201, and one side of the distance measuring rod 201 is rotatably connected to the central axis 102. Further, the distance measuring rod 201 is provided with a mounting hole 204 corresponding to the central axis 102, and the central axis 102 and the mounting hole 204 are installed in coordination. The above design can lay a foundation for the connection and installation between the distance measuring part 2 and the connecting part 1. A slide groove 202 is provided in the middle of the distance measuring rod 201, and scale lines 203 are provided at both front and rear ends of the slide groove 202 on the distance measuring rod 201. The above design, The distance measuring part 2 and the connecting part 1 can be connected and installed to ensure the distance measuring and positioning function of the distance rod during corn planting. The distance measuring part 2 is provided with a positioning part 3. Specifically, the positioning part 3 includes a slider 302, which is located inside the slide groove 202. The slider 302 and the slide groove 202 are installed in cooperation. The slider 302 is provided with two upper and lower relative positioning anti-slipping pointers 301. The above design can realize the connection and installation between the positioning part 3 and the distance measuring part 2, laying a foundation for the positioning operation of corn sowing. Further, the lower end face of the upper positioning anti-slipping pointer 301 contacts the upper end face of the distance measuring rod 201, and the upper end face of the lower positioning anti-slipping pointer 301 contacts the lower end face of the distance measuring rod 201. The above design can enhance the friction between the positioning part 3 and the distance measuring rod 201. Avoid the distance measuring rod 201 from sliding at will.

[0025] See also Figure 3As shown, the clamping and fixing part 4 is connected to the connecting part 1. Specifically, the clamping and fixing part 4 includes a clamping screw 401, and the clamping screw 401 is threadedly connected to the circular limiting plate 101 at the upper end. Furthermore, the circular limiting plate 101 at the upper end is provided with a threaded hole corresponding to the clamping screw 401, and the clamping screw 401 and the threaded hole are installed in coordination. The above design can lay a foundation for the connection and installation between the clamping and fixing part 4 and the connecting part 1. The lower end of the clamping screw 401 passes through the circular limiting plate 101, and the clamping screw 401 and the ranging rod 201 correspond to each other up and down. The upper end of the clamping screw 401 is provided with an adjusting hand wheel 402. The above design can realize the connection and installation between the clamping and fixing part 4 and the connecting part 1, laying a foundation for the clamping and fixing of the ranging part 2.

[0026] In one embodiment of the utility model, the adjustable spacing rod for corn sowing with the above structure is adopted. When the three distance measuring rods 201 are as follows Figure 2 The unfolding opening shown can realize the corn sowing measurement and positioning sowing operation of the sowing position in three directions at one time, and can also make all the ranging rods 201 overlap together, so as to realize the corn sowing measurement and positioning sowing operation of the sowing position in one direction at one time. Similarly, one of the ranging rods 201 can be unfolded ninety degrees, so as to realize the corn sowing measurement and positioning sowing operation of the sowing position in two directions at one time.

[0027] When in use, the clamping screw 401 is loosened by adjusting the hand wheel 402, and the distance measuring part 2 can be unfolded according to the use requirements. When each distance measuring part 2 is unfolded, the clamping screw 401 is tightened by adjusting the hand wheel 402, so that the fixing operation of each distance measuring part 2 can be realized. According to the required sowing plant spacing, the slider 302 is slid to make the positioning and anti-loosening pointer 301 on each distance measuring rod 201 be located at the corresponding scale, and the connecting part 1 is held by hand to make it coincide with the known sowing position, so as to realize the sowing operation of the position of the positioning and anti-loosening pointer 301 on the distance measuring rod 201.

[0028] It is worth noting that keeping the sowing line neat can reduce the measurement and positioning error of the plant spacing rod and ensure the sowing quality.

[0029] The above are only specific implementations of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A corn sowing adjustable plant spacing rod, characterized in that: The invention comprises a connecting portion (1) and a pressing and fixing portion (4); the connecting portion (1) comprises a central axis (102); circular limit plates (101) are arranged at both upper and lower ends of the central axis (102); three distance measuring portions (2) are arranged on the central axis (102); and a positioning portion (3) is arranged on the distance measuring portion (2); the pressing and fixing portion (4) is connected to the connecting portion (1).

2. The corn sowing adjustable plant spacing rod according to claim 1, characterized in that: The distance measuring part (2) comprises a distance measuring rod (201), one side of the distance measuring rod (201) is rotatably connected to the central axis (102), a slide groove (202) is provided in the middle of the distance measuring rod (201), and scale lines (203) are provided on the distance measuring rod (201) at both the front and rear ends of the slide groove (202).

3. The corn sowing adjustable plant spacing rod according to claim 2, characterized in that: The distance measuring rod (201) is provided with a mounting hole (204) corresponding to the central axis (102), and the central axis (102) and the mounting hole (204) are mounted in coordination.

4. The corn sowing adjustable plant spacing rod according to claim 2, characterized in that: The positioning portion (3) comprises a slider (302), the slider (302) being located inside the slide groove (202), the slider (302) and the slide groove (202) being mounted in cooperation, and the slider (302) being provided with two positioning anti-dropping pointers (301) which are opposed to each other in upper and lower directions.

5. The corn sowing adjustable plant spacing rod according to claim 4, characterized in that: The lower end surface of the positioning anti-dropping pointer (301) at the upper end contacts the upper end surface of the ranging rod (201), and the upper end surface of the positioning anti-dropping pointer (301) at the lower end contacts the lower end surface of the ranging rod (201).

6. The corn sowing adjustable plant spacing rod according to claim 2, characterized in that: The clamping and fixing portion (4) comprises a clamping screw (401), the clamping screw (401) being threadedly connected to the circular limiting plate (101) at the upper end, the lower end of the clamping screw (401) passing through the circular limiting plate (101), the clamping screw (401) and the distance measuring rod (201) corresponding to each other up and down, and an adjusting hand wheel (402) being provided at the upper end of the clamping screw (401).

7. The corn sowing adjustable plant spacing rod according to claim 6, characterized in that: The circular limiting plate (101) at the upper end is provided with a threaded hole corresponding to the clamping screw (401), and the clamping screw (401) and the threaded hole are mounted in coordination.

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