JPS6033775Y2 - Seedling stopper attachment structure in rice transplanter - Google Patents

Description

[Detailed description of the invention] The present invention is characterized in that the surface presser rod is placed in contact with the front end of the surface group placed on the seedling rest, and the seedling rest is placed in a non-working position and retracted upward. This invention relates to a structure for attaching a seedling stopper that can be freely switched between an upper position and a position for stopping the feeding of seedlings.

Conventionally, the seedling stopper is attached by forming a through hole in the part thereof with a width slightly larger than or approximately equal to the maximum width of the face holding rod, and through this hole, the seedling stopper is attached to the face holding rod through its axis. The conventional model used a permanent type in which the seedlings were inserted and supported from the direction, and the seedling stopper could not be attached or removed. In order to be able to use the seedlings in the area with a stopper, it is necessary to install a seedling stopper at a location corresponding to each area of the seedling stand, which not only complicates the structure but also increases cost. There is a drawback.

Also, in order to be able to selectively use one seedling stopper for multiple seedling placement areas, it is conceivable to attach the seedling stopper to the surface holding rod via a detachable fitting such as a bolt or nut, but in this case, Since the seedling stopper is attached and detached using bolts and nuts, it not only takes a lot of effort to attach and detach and change the position, but also requires constant use of tools such as spanners to tighten and operate the bolts and nuts. There is the inconvenience of having to carry it around.

In view of the above-mentioned circumstances, the present invention has been developed so that the seedling stopper can be quickly and easily attached and removed without using any tools, and one seedling stopper can be selectively used for multiple seedling placement areas. In the above-mentioned one, the seedling stopper is attached by an opening with a width smaller than the maximum width of the face holding rod, and the seedling holder has a length extending from the face to the attachment part. an engagement hole that is opened in substantially the same direction as the direction in which external force is applied along the longitudinal direction, and further has a width that is slightly larger than or approximately equal to the maximum width of the seedling holding rod when connected to the opening; It is characterized by forming.

As a result, the seedling stopper can be installed simply by fitting it onto the seedling holding rod through an opening with a width smaller than the maximum width of the seedling holding rod formed in the part. It is possible to freely switch between a non-working position in which the seedlings are retracted upward without coming off, and a working position in which the seedling feed is stopped and the seedlings are placed on the seedling stand.

Therefore, the seedling stopper can be quickly and easily attached and detached without using any tools, and because of this easy attachment and detachment, seedling stoppers can be attached to the places corresponding to the placement parts on each side of the seedling stand unlike in the past. Even without providing a seedling stopper, the minimum number of seedling stoppers can be used freely and selectively as seedling stoppers on each surface, so it has become possible to reduce costs by reducing the number of seedling stoppers used. It is.

Furthermore, since the opening formed in the attachment part is opened in substantially the same direction as the direction of action of external force along the length direction from the surface of the seedling holder to the attachment part, Even if the weight of the seedlings on the platform is sufficiently heavy, or if the seedling stopper is used under conditions where the machine must travel over rough areas of the plowing ground near the edge of a ridge, the seedlings may be shocked due to machine vibration, etc. Even under load, it does not easily come off and can reliably function as a seedling stopper.

Hereinafter, embodiments of the present invention will be described based on the drawings.

Figures 1 and 2 show a traveling type rice transplanter for three-row planting, in which the lateral outer side of the seedling platform 1, which is tilted from the lower rear to the upper front and is movable back and forth in the left and right directions, in the direction of reciprocation. Each side of the seedling stand 1 is placed on the brackets 2, 2 provided at the inclined lower ends of the side frames 1a, 1a located at the side frames 1a, 1a.
Two round-shaped seedlings that come into contact with the front end of the surface group placed on ... to prevent the stems and leaves of the seedlings from hanging down within the trajectory of the tip of the planting claw 3... Presser rods 4 and 4' are provided, and of the two seedling presser rods 4 and 4', the lower seedling presser rod 4 has a sliding receiver that slides and guides the inclined lower end of the seedling tray 1. Seedling extraction port 6 formed in member 5...
. . . in a non-working position that is evacuated upward and in contact with the seedling surface of the seedling tray 1 to feed the group of placed seedlings to the seedling take-out slot 6 side, with the seedling tray facing the surface 7B. A nearly gate-shaped seedling stopper 7 is attached which can be freely switched between a seedling feed stopping action position and a position in which the seedling feed is stopped by abutting against the front end of the soil part of the seedling bed.

The attachment structure of the seedling stopper 7 is constructed as shown in FIG.

That is, when attaching both sides of the seedling stopper 7, a width l□ smaller than the diameter (maximum) L of the lower seedling holding rod 4 is attached to the parts 7A, 7A.
openings 8, 8, and engaging portions 9, 9 which are connected to the openings 8, 8 and have an inner diameter approximately equal to (or slightly larger than) the diameter of the lower surface presser rod 4. , and one of the openings 8.8 is in the direction of action of external force along the length direction from the seedling support surface 7B to the attachment part 7A of the seedling stopper 7, that is, the seedling weight is applied to the seedling stopper 7. When supporting the seedling, the component force of the seedling weight is directed in approximately the same direction as the direction in which the lower seedling presser rod 4 is pressed through the seedling stopper 7, and the other opening 8 is directed in the direction in which the external force acts. The opening 8 is formed so as to be shifted downward (from one opening 8 along As shown in Fig. 3 (a), the seedling stopper 7 is formed in a somewhat polished state, so that the seedling stopper 7 can be elastically inserted into and removed from the lower seedling holding rod 4. .

Further, in the part of the stopper 7 corresponding to the upper drawing presser rod 4', there are openings 8', 8' with a diameter L1' smaller than the diameter L' of the upper seedling presser rod 4', and on this day 8'. , 8' are formed with engaging portions 9', 9' having an inner diameter slightly larger or almost equal to the diameter L' of the upper seedling holding rod 4', so that the seedling stopper 7 can be held in place. When switched to the working position, the engaging portions 9', 9' are elastically engaged with the upper seedling holding rod 4' to lock and hold the seedling stopper 7 in the non-working position. It is structured as possible.

FIG. 4 shows the attachment structure of the seedling stopper 7 in the case where the lower seedling holding rod 4 is approximately rectangular in longitudinal cross-sectional view, and both members of the seedling stopper 7 are connected to portions 7A, ? At A, openings 8, 8 having a width 1 that is slightly smaller than the maximum width of the lower seedling holding rod 4 and slightly larger than its minimum width;
A retaining part 9,9 having a width 12 approximately equal to the maximum width of the lower seedling holding rod 4 (or a slightly larger width) in a state continuous with the opening 8.8 is connected to one of the openings 8,8. is formed so as to face in the same direction as the acting direction of the external force,
In addition, the direction in which the openings 8, 8 are fitted to the lower seedling holding rod 4 is at a position e of approximately 90 degrees in the swinging direction of the seedling stopper 7.
It is formed in a mu state.

[Brief explanation of the drawing]

The drawings show an example of the structure of the seedling stopper attachment in the rice transplanter according to the present invention, FIG. 1 is a partially cutaway side view of the main parts of the walking rice transplanter, FIG. 2 is a plan view of the main parts, and FIG. 3 Figure 4A9 shows a left side view and a right side view of the seedling stopper, and Figure 4A9 shows a left side view and a right side view of the main part of the seedling stopper showing another embodiment. 1... Seedling stand, 4... Face presser, 7
...Curved seedling stopper, 7A...Installation is part, 7B
... Seedling holder is face, 18 ... Opening, 9 ...
...Engaging portion, L...Maximum width, 2. , 22
...Width.

Claims (1)

[Scope of Claim for Utility Model Registration] ■ A non-working position in which the surface presser rod 4 is placed in contact with the front end of the surface group placed on the seedling platform 1, and the seedling platform is retracted upward. The structure is for attaching a seedling stopper 7 that can be freely switched between the seedling feed stop action position located on the upper part 1, and the seedling stopper 7 is attached to the part 7A with a width larger than the maximum width of the face presser rod 4. Small width I! The opening 8 of 1 is opened so that the direction of external force acting along the length direction from the surface 7B of the seedling holder to the attachment part 7A is directed in substantially the same direction, and further, the opening 8 of the seedling tray is opened in the same direction as the surface 7B of the seedling tray, and the opening 8 of The structure for attaching a seedling stopper in a rice transplanter is characterized in that it has an engaging portion 9 having a width larger than or approximately equal to the maximum width of the presser rod 4. ■ The seedling stopper 7 is configured to be able to be elastically inserted into and removed from the surface presser rod 4. Claims for registration of a utility model ■
The structure of the seedling stopper attachment in the rice transplanter described in the section.