CN219205221U

CN219205221U - Seed sowing part roller locking device of direct seeding machine

Info

Publication number: CN219205221U
Application number: CN202320470818.4U
Authority: CN
Inventors: 汪远洋; 张毅; 李正江; 陈坤; 潘朝刚; 郑荣华; 杜炜
Original assignee: Hubei Shuangxing Intelligent Equipment Co ltd
Current assignee: Hubei Shuangxing Intelligent Equipment Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-06-20
Anticipated expiration: 2033-03-07

Abstract

The utility model discloses a roller locking device for a sowing part of a direct seeding machine, which relates to the technical field of direct seeding of paddy rice, and comprises a seed shaft, a seed wheel, a stop block, a locking handle and a spring; the seed metering wheel is fixedly sleeved at one end of the seed metering shaft, the other end of the seed metering shaft is provided with a thread section, and the locking handle is in threaded connection with the thread section and can move along the thread section; the stop block is arranged between the seed sowing wheel and the locking handle and can slide along the axial direction of the seed sowing; one end of the spring is propped against the seed sowing wheel, and the other end of the spring is propped against the stop block, so that the stop block is in compression contact with the locking handle.

Description

Seed sowing part roller locking device of direct seeding machine

Technical Field

The utility model relates to the technical field of direct seeding of rice, in particular to a roller locking device for a seeding part of a direct seeding machine.

Background

The utility model provides a direct effect rice seeding's of seed sowing machine seed sowing mechanism core part seeding gyro wheel's structure, when adjusting the seed metering groove size of living broadcast machine, need rotate the epaxial locking handle of seed metering, every reverse/clockwise rotation a week, slider advance/retreat a pitch to realize the regulation to seed metering groove size, the current on-market living broadcast machine seeding gyro wheel mechanism exists that the locking handle receives inertial force and foreign matter to hinder and can autogiration in the seeding process, leads to the problem that the seed metering groove grow or diminish, can not guarantee the seeding precision.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide the roller locking device for the sowing part of the direct seeding machine, which has a simple structure, is stable and reliable, realizes flexible and adjustable opening degree of the sowing rolling groove through friction force of the stop block and the wave-shaped teeth of the locking handle and pressure of the spring, and can not automatically become larger or smaller in the working process.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the roller locking device for the sowing part of the direct seeding machine comprises a seed sowing shaft, a seed sowing wheel, a stop block, a locking handle and a spring; the seed metering wheel is fixedly sleeved at one end of the seed metering shaft, a threaded section is arranged at the other end of the seed metering shaft, and the locking handle is in threaded connection with the threaded section and can move along the threaded section; the stop block is arranged between the seed sowing wheel and the locking handle and can slide along the seed sowing shaft; one end of the spring is propped against the seed sowing wheel, and the other end of the spring is propped against the stop block, so that the stop block is in compression contact with the locking handle.

The further improvement is that: the stop block comprises a first tray body, and a through hole for the seed sowing shaft to pass through is formed in the middle of the first tray body; the locking handle comprises a second disc body, and a screw hole matched with the thread section is formed in the middle of the second disc body; the opposite surfaces of the through hole and the screw hole are respectively provided with a first wavy tooth and a second wavy tooth which are meshed with each other.

The further improvement is that: the seed metering wheel comprises a hollow body, and the body is axially provided with a through hole for a seed metering shaft to pass through; the inner side wall of the through hole is provided with a limit step, one end of the spring is propped against the limit step, and the other end of the spring is propped against the stop block.

The further improvement is that: the opening part of one side of the through hole far away from the stop block is provided with a limiting clamping groove, and the seed metering shaft is provided with a limiting protrusion matched with the limiting clamping groove.

The further improvement is that: the outer side wall of the body is provided with a plurality of seed metering grooves, and one side of the first disc body, which is opposite to the seed metering wheel, is provided with a plurality of sliding blocks which are in one-to-one correspondence with the seed metering grooves.

The further improvement is that: the seed metering groove is axially arranged, and the bottom surface of the seed metering groove is arc-shaped; one end of the seed discharging groove, which is opposite to the stop block, is communicated with the body.

The further improvement is that: one end of the body, which is far away from the stop block, is provided with a flanging part.

The further improvement is that: the first tray body is provided with a plurality of reinforcing ribs.

The further improvement is that: the outer circular surface of the second disc body is provided with a plurality of convex teeth.

The further improvement is that: the first wavy teeth protrude from the first disc body, and the second wavy teeth protrude from the second disc body.

The utility model has the beneficial effects that:

the utility model aims at solving the problem that a locking handle can automatically rotate due to the obstruction of inertia force and foreign matters in the sowing process of a seed sowing roller mechanism of a direct seeding machine, so that a sowing groove becomes larger or smaller.

Drawings

FIG. 1 is a cross-sectional view of a planter box roller locking device of a direct planter in accordance with an embodiment of the present utility model;

FIG. 2 is a perspective view of a seed metering wheel according to an embodiment of the present utility model;

FIG. 3 is a perspective view of a stopper according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a block according to an embodiment of the present utility model;

FIG. 5 is a perspective view of a locking handle according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of a locking handle according to an embodiment of the present utility model.

Reference numerals:

1-a seed shaft; 11-thread segments; 12-limiting protrusions;

2-a seed metering wheel; 21-a body; 22-through holes; 23-a seed discharging groove; 24-limiting steps; 25-limiting clamping grooves; 26-a flanging part;

3-a stop block; 31-a first tray; 32-through holes; 33-a slider; 34-first undulating teeth; 35-reinforcing ribs;

4-locking a handle; 41-a second tray; 42-screw holes; 43-second undulating teeth; 44-teeth;

5-spring.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout.

In the description of the present utility model, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific protection scope of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such feature, and in the description of the present utility model, the meaning of "a number", "a number" is two or more, unless otherwise specifically defined.

The technical scheme and the beneficial effects of the utility model are more clear and definite by further describing the specific embodiments of the utility model with reference to the drawings in the specification. The embodiments described below are exemplary by referring to the drawings for the purpose of illustrating the utility model and are not to be construed as limiting the utility model.

Referring to fig. 1, the embodiment of the utility model provides a locking device for a sowing part roller of a direct seeding machine, which comprises a seed sowing shaft 1, a seed sowing wheel 2, a stop block 3, a locking handle 4 and a spring 5; the seed metering wheel, the stop block, the locking handle and the spring are concentrically arranged on the seed metering shaft. The seed metering wheel 2 is fixedly sleeved at one end of the seed metering shaft 1, the other end of the seed metering shaft 1 is provided with a threaded section 11, and the locking handle 4 is in threaded connection with the threaded section 11 and can move along the threaded section 11; the stop block 3 is arranged between the seed sowing wheel 2 and the locking handle 4 and can slide along the seed sowing shaft 1; one end of the spring 5 is propped against the seed sowing wheel 2, and the other end of the spring 5 is propped against the stop block 3, so that the stop block 3 is in compression contact with the locking handle 4.

Referring to fig. 3 to 6, the stopper 3 includes a first disk 31, and a through hole 32 through which the seed shaft 1 passes is provided in the middle of the first disk 31; the locking handle 4 comprises a second disc body 41, and a screw hole 42 matched with the thread section 11 is formed in the middle of the second disc body 41; the opposite surfaces of the through hole 32 and the screw hole 42 are provided with first and second wave-

shaped teeth

34 and 43, respectively, which are engaged with each other. Specifically, the first tray 31 is provided with a plurality of reinforcing ribs 35. The outer circumferential surface of the second disc 41 is provided with a plurality of teeth 44. The first wave-shaped teeth 34 protrude from the first disk 31, and the second wave-shaped teeth 43 protrude from the second disk 41.

Referring to fig. 1 and 2, the seed wheel 2 includes a hollow body 21, and the body 21 is provided with a through hole 22 along an axial direction through which the seed shaft 1 passes; the inner wall of the through hole 22 is provided with a limit step 24, one end of the spring 5 abuts against the limit step 24, and the other end of the spring 5 abuts against the stopper 3. Specifically, the opening of the side of the through hole 22 far away from the stop block 3 is provided with a limiting clamping groove 25, and the seed shaft 1 is provided with a limiting protrusion 12 matched with the limiting clamping groove 25. The outer side wall of the body 21 is provided with a plurality of seed discharging grooves 23, and one side of the first disc body 31 opposite to the seed discharging wheel 2 is provided with a plurality of sliding blocks 33 corresponding to the seed discharging grooves 23 one by one. The seed discharging groove 23 is axially arranged, and the bottom surface of the seed discharging groove 23 is arc-shaped; the seed discharging groove 23 penetrates the body 21 at an end opposite to the stopper 3. The end of the body 21 remote from the stop 3 is provided with a flange portion 26.

The working principle of the utility model is as follows:

the wave teeth of the stop block and the wave teeth of the locking handle are meshed with each other under the thrust of the spring, when the seed sowing shaft rotates, the locking handle and the stop block rotate together under the friction force of the wave teeth, when the size of the seed sowing groove needs to be adjusted, the force for rotating the locking handle is larger than the friction force of the wave teeth, the locking handle moves forwards and backwards under the action of internal threads, and meanwhile the spring in the stop block pushes the stop block to move forwards or backwards along with the locking nut.

In the description of the present utility model, a description of the terms "one embodiment," "preferred," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model, and a schematic representation of the terms described above in the present specification does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

From the above description of the structure and principles, it should be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, but rather that modifications and substitutions using known techniques in the art on the basis of the present utility model fall within the scope of the present utility model, which is defined by the appended claims.

Claims

1. The utility model provides a live planter sowing portion gyro wheel locking device, includes seed metering axle (1), its characterized in that: the seed sowing device also comprises a seed sowing wheel (2), a stop block (3), a locking handle (4) and a spring (5); the seed metering wheel (2) is fixedly sleeved at one end of the seed metering shaft (1), a threaded section (11) is arranged at the other end of the seed metering shaft (1), and the locking handle (4) is in threaded connection with the threaded section (11) and can move along the threaded section (11); the stop block (3) is arranged between the seed sowing wheel (2) and the locking handle (4) and can slide along the seed sowing shaft (1); one end of the spring (5) is propped against the seed sowing wheel (2), and the other end of the spring (5) is propped against the stop block (3), so that the stop block (3) is in compression contact with the locking handle (4).

2. The seed section roller locking device of a direct seeding machine according to claim 1, wherein: the stop block (3) comprises a first disc body (31), and a through hole (32) for the seed shaft (1) to pass through is formed in the middle of the first disc body (31); the locking handle (4) comprises a second disc body (41), and a screw hole (42) matched with the thread section (11) is formed in the middle of the second disc body (41); the opposite surfaces of the through hole (32) and the screw hole (42) are respectively provided with a first wavy tooth (34) and a second wavy tooth (43) which are meshed with each other.

3. The seed section roller locking device of a direct seeding machine according to claim 2, wherein: the seed metering wheel (2) comprises a hollow body (21), and the body (21) is axially provided with a through hole (22) for the seed metering shaft (1) to pass through; the inner side wall of the through hole (22) is provided with a limiting step (24), one end of the spring (5) is propped against the limiting step (24), and the other end of the spring (5) is propped against the stop block (3).

4. A planter unit roller locking device according to claim 3, wherein: the opening of one side of the through hole (22) far away from the stop block (3) is provided with a limiting clamping groove (25), and the seed shaft (1) is provided with a limiting protrusion (12) matched with the limiting clamping groove (25).

5. A planter unit roller locking device according to claim 3, wherein: the seed metering groove (23) is arranged on the outer side wall of the body (21), and a plurality of sliding blocks (33) corresponding to the seed metering grooves (23) one by one are arranged on one side, opposite to the seed metering wheel (2), of the first disc body (31).

6. The seed section roller locking device of a direct seeding machine according to claim 5, wherein: the seed metering groove (23) is axially arranged, and the bottom surface of the seed metering groove (23) is arc-shaped; one end of the seed discharging groove (23) opposite to the stop block (3) is communicated with the body (21).

7. A planter unit roller locking device according to claim 3, wherein: one end of the body (21) far away from the stop block (3) is provided with a flanging part (26).

8. The seed section roller locking device of a direct seeding machine according to claim 2, wherein: the first tray body (31) is provided with a plurality of reinforcing ribs (35).

9. The seed section roller locking device of a direct seeding machine according to claim 2, wherein: the outer circular surface of the second disc body (41) is provided with a plurality of convex teeth (44).

10. The seed section roller locking device of a direct seeding machine according to claim 2, wherein: the first wavy teeth (34) protrude from the first disk body (31), and the second wavy teeth (43) protrude from the second disk body (41).