[ utility model ]
In order to overcome the defects of the prior art, the utility model aims to provide the simple furrow opener which has the advantages of simple integral structure, simplicity and convenience in operation and low cost, can flexibly perform furrow opening to control the spacing between planting rows, and has strong practicability.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the simple furrow opener comprises an inclined supporting rod, wherein the upper end of the inclined supporting rod is connected with a handle, the front side of the lower part of the inclined supporting rod is connected with a front wheel in a rolling mode, the lower side of the lower part of the inclined supporting rod is connected with a furrow plough, and the rear side of the lower part of the inclined supporting rod is connected with a rear wheel in a rolling mode.
Further, the handle is a straight handle, and the upper end of the inclined strut is vertically connected with the middle part of the straight handle.
Further, the inclined support rod is a telescopic rod.
Further, the front side of the lower part of the inclined strut is connected with the left side and the right side of the front wheel through a U-shaped inclined strut.
Further, the inclined strut is connected with the rear wheel through an adjusting piece, and the adjusting piece can adjust an included angle between the rear wheel and the inclined strut so as to adjust the ditching depth of the ditching plow.
Further, the adjusting piece comprises a mounting block, a fixing rod, a fixing outer cylinder, a connecting rod, a lifting rod, a fixing inner cylinder and a fixing bolt; one end of the fixed rod is connected with the rear side of the lower part of the inclined supporting rod, the other end of the fixed rod is connected with the fixed outer cylinder, the mounting block is connected with the lower end of the inclined supporting rod, one end of the connecting rod is rotatably connected with the mounting block, the other end of the connecting rod is connected with two sides of the rear wheel, the lower end of the lifting rod is connected with two sides of the rear wheel, the upper end of the lifting rod is connected with the lower end of the fixed inner cylinder, the upper end of the fixed inner cylinder is inserted into the fixed outer cylinder, a plurality of positioning holes are formed in the fixed inner cylinder and the fixed outer cylinder along the length direction of the fixed inner cylinder, the positioning holes penetrate through the fixed inner cylinder and two opposite sides of the fixed outer cylinder, and the fixed plug pin is connected with the fixed inner cylinder in a plugging mode through the positioning holes, and can move relative to the fixed outer cylinder when the fixed plug pin is pulled out, so as to adjust an included angle between the rear wheel and the inclined supporting rod.
Further, the number of the connecting rods is two, one ends of the two connecting rods are respectively connected with the mounting blocks in a rotating mode, and the other ends of the two connecting rods are respectively connected with two sides of the rear wheel.
Further, the connecting rod is Y-shaped, one end of the connecting rod trunk is rotationally connected with the mounting block, and two ends of the connecting rod branch are respectively connected with two sides of the rear wheel.
Further, the lifting rod is U-shaped, two ends of the lifting rod are connected with the connecting rod, and the middle part of the lifting rod is connected with the fixed inner cylinder.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
1. the utility model takes the inclined support rod as a main body, takes the front wheel and the rear wheel as a travelling mechanism, and arranges the ditching plow between the front wheel and the rear wheel, ditching can be carried out by pushing the inclined support rod forwards, the whole structure is simple, the manufacturing cost is low, the operation is very convenient, and the ditching can be flexibly carried out according to the requirement.
2. The included angle between the rear wheel and the inclined support rod is changed through the adjusting piece, so that the soil penetration depth of the ditching plow is changed, and ditches with different depths can be dug according to actual needs by the ditcher.
[ detailed description ] of the utility model
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In addition, in the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," etc. indicate or refer to an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application.
Furthermore, in the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," 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 present application. In this specification, schematic representations of the above terms are not necessarily directed 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.
As shown in fig. 1, in a first embodiment of the present utility model, a simple furrow opener includes an inclined strut 1, a handle 2 is connected to an upper end of the inclined strut 1, a front wheel 3 is connected to a front side roll of a lower portion of the inclined strut 1, a furrow plow 5 is connected to a lower side of the lower portion of the inclined strut 1, a rear wheel 4 is connected to a rear side roll of the lower portion of the inclined strut 1, and a diameter of the front wheel 3 is larger than that of the rear wheel 4. The front wheel 3 and the rear wheel 4 are used as travelling mechanisms, and the simple furrow opener can be pushed forward by pushing the inclined supporting rod 1 through force application, so that the furrow plough 5 starts to open furrows. The furrow opener disclosed by the utility model has the advantages of simple integral structure, low manufacturing cost and very convenient operation, and can flexibly open furrows and control the furrowing interval according to the needs.
Specifically, the handle 2 is a straight handle, the upper end of the inclined strut 1 is vertically connected with the middle part of the straight handle 2, and an operator can hold the two sides of the handle 2 with two hands to apply force. The oblique strut 1 is connected with the left side and the right side of the front wheel 3 and the rear wheel 4 through a U-shaped oblique rod 6, namely, two ends of the U-shaped oblique rod 6 are respectively connected with two ends of a rotating shaft of the front wheel 3 and the rear wheel 4, so that the front wheel 3 and the rear wheel 4 can bear rolling/rotating.
In a preferred embodiment of the present utility model, the connection structure between the oblique strut 1 and the rear wheel 4 is different from the above embodiment, specifically: the inclined strut 1 is connected with the rear wheel 4 through an adjusting piece, and the adjusting piece can adjust the included angle between the rear wheel 4 and the inclined strut 1 so as to adjust the ditching depth of the ditching plow 5, so that the ditching plow can meet the actual ditching requirement, and is more flexible and practical.
In this embodiment, the adjusting member specifically includes a mounting block 7, a fixing lever 14, a fixing outer cylinder 11, a connecting rod 8, a lifting lever 9, a fixing inner cylinder 10, and a fixing pin 13. One end of the fixed rod 14 is connected with the rear side of the lower part of the inclined strut 1, and the other end of the fixed rod 14 is connected with the cylinder wall of the fixed outer cylinder 11; the mounting block 7 is connected with the lower end of the inclined strut 1, and the upper end of the digger plow 5 is connected with the front end of the mounting block 7; the two connecting rods 8 are arranged, one ends of the two connecting rods 8 are respectively connected with two sides of the mounting block 7 in a rotating way, and the other ends of the two connecting rods are respectively connected with two sides of the rotating shaft of the rear wheel 4, namely, the connection of the rear wheel 4 with the inclined strut 1 and the forced rolling/rotation of the rear wheel 4 can be realized through the connecting rods 8.
The lifting rod 9 is specifically in a U shape, two lower ends of an opening of the lifting rod 9 are respectively connected with two sides of the rear wheel 4 or a connecting rod 8 is connected with a connecting part of the rear wheel 4, the middle part of the upper end of the lifting rod 9 which is closed is connected with the lower end of the fixed inner cylinder 10, and when the lifting rod 9 is lifted under the force, the rear wheel 4 can be driven to be lifted synchronously. The upper end of the fixed inner cylinder 10 is inserted into the fixed outer cylinder 11 through the lower end of the fixed outer cylinder 11, a plurality of positioning holes 12 are formed in the fixed inner cylinder 10 and the fixed outer cylinder 11 along the length direction of the fixed inner cylinder 10 and the fixed outer cylinder 11, the positioning holes 12 penetrate through the fixed inner cylinder 10 and the two opposite sides of the fixed outer cylinder 11, and the fixed plug pins 13 are connected with the fixed inner cylinder 10 and the fixed outer cylinder 11 through being inserted into the positioning holes 12. When the fixed plug pin 13 is inserted, the fixed inner cylinder 10 and the fixed outer cylinder 11 are fixed and can not move under stress, so that ditching is facilitated; when the fixing bolt 13 is pulled out, the fixing inner cylinder 10 can move relative to the fixing outer cylinder 11 so as to adjust the included angle between the rear wheel 4 and the inclined strut 1. When the fixed inner cylinder 10 moves upwards relative to the fixed outer cylinder 11, the rear wheel 4 moves backwards, the included angle between the ditching plow 5 and the ground is reduced, and the ditching depth is reduced; on the contrary, the rear wheel 4 moves forwards, the included angle between the ditching plow 5 and the ground is large, and the ditching depth is deep.
In another embodiment, the connecting rod 8 may be only one, and has a Y-shape, one end of the trunk is rotatably connected to the mounting block 7, and two ends of the branch of the connecting rod 8 are respectively connected to two sides of the rear wheel 4.
In other embodiments of the present utility model, the oblique strut 1 may be a telescopic rod, which is an existing structure, so as to facilitate adjusting the length of the oblique strut 1 to be suitable for operators with different heights.
In other embodiments of the present utility model, the handle 2 may be a handle of other structure/shape of the prior art, so long as it is easy to hold and push.
In conclusion, the simple furrow opener disclosed by the utility model has the advantages of simple integral structure, simplicity and convenience in operation and low cost, can flexibly perform furrow opening to control the spacing between planting rows, and has strong practicability.