JPH0453214Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention relates to a side wall structure of a seedling stand in a rice transplanter, which allows the amount of seedlings to be taken out to be adjusted by moving the seedling receiver back and forth. It is.

[Problems to be solved by the prior art and the invention] Generally, in the seedling stand of this seed rice transplanter, the planted seedling holding part is partitioned by rib-shaped protruding left and right side walls, and mass planting is carried out here. It is designed to hold seedlings. Among these devices, there is one in which the amount of seedlings to be taken out is adjusted by moving a seedling receiver provided at the lower end of the slant of the seedling stand in the direction of inclination.

However, with this arrangement, there is a problem in that when the seedling receiver is moved forward (downward on the slope) by itself, there is a gap between the lower end of the slope of the side wall and the seedling receiver. Therefore, conventionally,
As shown in Publication No. 74217 and Japanese Utility Model Application Publication No. 57-59516, a movable side wall body (scraper) is engaged and connected to a seedling receiver, and the movable side wall body is inserted into a fixed side wall body formed integrally with the seedling stand. Insert it so that it can move freely in the front and rear directions,
Make sure there is no space between the seedling receiver and the side wall.

By the way, in these devices, when fitting the movable side wall body into the fixed side wall body so as to be able to move back and forth, it is necessary to take care to prevent the movable side wall body from wobbling. The movable side wall body is elastically biased by providing an upwardly curved bullet or integrally forming an elastic part to prevent rattling. However, with these devices, when assembling the movable side wall body into the fixed side wall body, the elastic member protruding upward from the upper surface of the movable side wall body inevitably gets in the way, making it difficult to assemble the movable side wall body, resulting in problems such as extremely poor workability. Become.

[Means for solving the problem] In view of the above-mentioned circumstances, the present invention was created with the aim of providing a side wall structure of a seedling stand in a rice transplanter that can eliminate these drawbacks. A seedling receiver is provided at the inclined lower end of the seedling platform in which the planted seedling mounting section is partitioned by rib-shaped left and right side walls. In the rice transplanter, the rice transplanter is configured to move the side wall to adjust the amount of seedlings taken out, and the side wall includes a fixed side wall body integrally formed so as to protrude into a hollow shape toward the seedling table side, and an inclination of the fixed side wall body. A movable side wall body is fitted into the lower end portion so as to be movable in the diagonal direction from the inclined lower end, and the movable side wall body is connected to the seedling receiver so that the movable side wall body moves integrally with the seedling receiver in the inclined direction. The inner width of the inclined lower end portion of the movable side wall body is made narrow so that the left and right side surfaces of the movable side wall body are held in a pinching manner, while the upper surface of the movable side wall body is formed such that the intermediate portion thereof is shaped like a concave groove in the inclination direction. The present invention is characterized in that the movable side wall body can be fitted into the stationary side wall body in an inclined position up to the intermediate portion formed in the shape of a groove.

With this configuration, the present invention allows the movable side wall body to be assembled without rattling, while also simplifying the assembly.

[Example] Next, an example of the present invention will be described based on the drawings. In the drawings, reference numeral 1 denotes a planting section attached to a passenger-type traveling body (not shown), and the planting section 2
The structure is composed of a planting claw 2, a float 3, a seedling platform 4 with a high front and a low back, which will be described later, a planting part frame 5, a seedling feeder 6, etc., all of which are the same as before. be.

The seedling mounting stand 4 has a bottom plate 7 corresponding to each seedling mounting row.
A fixed side wall body 8 is formed integrally with the left and right edges of the frame having a cross-sectional shape of a hat (〓) and protrudes like a rib. Both flanges of the fixed side wall body 8 ) 9 by fixing them integrally with a fixing member 10 such as a rivet. A part of it protrudes, forming a roughly 〓 shape. Moreover, the inner width of this lower end portion 8a is narrow when the inclined lower end is in its natural state.
l ₂ and is narrower than the inner width l ₃ of the inclined upper part (inner part) fixed to the bottom plate 7 (l ₂ < l ₃ ). Furthermore, a stopper 9 is provided at the inclined lower end of the bottom plate 9.
A is formed to protrude upward in a rib shape.

Further, reference numeral 11 is a seedling receiver having a substantially L-shaped cross section, and the seedling receiver 11 is provided with a seedling outlet 11a. As will be described later, the seedling receiver 11 is movable back and forth in the inclination direction, and by moving the seedling receiver 11 back and forth, the seedling outlet 11
The structure is such that the amount of seedlings taken out from a can be adjusted.

On the other hand, 12 is a movable side wall body, and the movable side wall body 12 is provided with a hook-like locking portion 12g at a front portion 12a on the lower end side of the inclination.
The front part 12a has a wide width L ₁ .
These parts include an intermediate part 12b and a rear part 12, which will be described later.
Unlike the case shown in FIG. 3C, it is wider than the inner width l ₃ of the fixed side wall 8 (L ₁ <l ₃ ), and is configured to always protrude without fitting into the fixed side wall 8. Furthermore, the width L of each part of the movable side wall body 12 is
is set to have a width L ₂ narrower than the front portion 12a, and the rear portion 12c is set to have an even narrower width L ₃ (L ₁ >L ₁ >L ₃ ). The _width L ₂ of the intermediate portion 12b is large (L ₂ >l ₂ ) and the width L ₃ of the rear portion 12c is small (L ₃ <
l ₂ ) is set to be.

Furthermore, the movable side wall body 12 has a height H
is the highest height _H1 at the front end 12a,
The upper surface of the intermediate portion 12b is cut out in a groove shape and has the lowest height _H2 , and the rear portion 12c is set to have an intermediate height _H3 ( _H1 > _H3 > _H2 ). . In addition, protrusions 12d are formed on both left and right side surfaces of the rear part 12c of the movable side wall 12, and the width of the protrusions 12d is the same as that of the intermediate portion 12b.
The width is set to be approximately the same as the width _L2 .
Furthermore, on the bottom surface (lower surface) of the movable side wall body 12, a locking seat portion 12e is provided at the front portion 12a position.
Locking protrusions 12f located at the rear portion 12c are respectively formed to protrude downward. Incidentally, the movable side wall body 12 is configured to have a hollow shape with an open bottom side.

On the other hand, in the fixed side wall body 8, an auxiliary rib 8b is integrally provided on the hollow ceiling part, and the auxiliary rib 8b is located at the height of the intermediate part 12b at the cavity entrance part of the fixed side wall body 8. The height h ₂ is equal to or slightly higher than the height H ₂ , and the rear 1
The height h ₃ is equal to or slightly higher than the height H ₃ of 2c. And movable side wall body 12
can move forward and backward along the inclination direction between the most retracted position where the locking seat 12e contacts the stopper 9a and the most advanced position where the locking protrusion 12f contacts the stopper 9a. As shown in FIGS. 6 and 7, the side wall body 12 is designed to be able to be fitted into the fixed side wall body 8 in a deeply inclined position up to a height H ₂ and a depressed intermediate portion 12b in the shape of a groove. .

In the embodiment of the present invention configured as described above, in order to assemble the seedling stand 4, the movable side wall 1 is
2 needs to be fitted into the fixed side wall body 8, but for this, first, the seedling stand 4 is moved by an overstroke so that the fixed side wall body 8 and the seedling take-out port 11a of the seedling receiving body 11 are approximately aligned. . Then, the sixth
7, the movable side wall 12 is tilted relative to the fixed side wall 8, and its rear portion 12c is
is inserted into the fixed side wall body 8 from the inclined lower end, and pushed deeply until the groove-shaped intermediate portion 12b is retracted. After that, the movable side wall body 12 is attached to the fixed side wall body 8.
The hook-shaped locking part 12g is positioned at the upright side position of the seedling receiver 11 by moving the hook-shaped locking part 12g further into the back while in a parallel position. 12g can be engaged with the upright side of the seedling receiver 11, and the movable side wall body 12 can be assembled in this way.

In this way, although the movable side wall body 12 is provided which moves integrally with the seedling receiver 11, the movable side wall body 12 has an intermediate portion 12b located inside the narrow left and right sides of the fixed side wall body tip portion 8a. Since the movable side wall 12 is held elastically by the surface portions, it is possible to prevent rattling even without using a bullet interposed between the movable side wall 12 and the ceiling surface portion of the fixed side wall 8 as in the conventional case. can.
As a result, there is no need for the movable side wall 12 to provide a bulging bullet on the upper surface of the intermediate portion 12b, and even if the intermediate portion 12b is formed into a groove, there is no problem in preventing backlash. Then, the movable side wall body 12
Since the upper surface of the intermediate part 12b is lower than other parts and has a concave groove shape, when the intermediate part 12b is fitted into the fixed side wall 8, the intermediate part 12b is retracted from the inclined position with respect to the fixed side wall 8. This greatly simplifies the work of assembling the movable side wall 12, and greatly improves work efficiency. Furthermore, since the movable side wall body 12 incorporated in this manner is held elastically on both the left and right side surfaces by the inner side surfaces of the ribs, the movement in the front and rear direction is difficult when it is elastically supported by a conventional ammunition machine. As a result, the operating force for the seedling receiver 11 is significantly reduced, the operability is greatly improved, and the amount of seedlings to be taken out can be adjusted with high precision.

Also, this thing has a width at the rear end 12c.
Since L ₃ is narrower than the inner width l ₃ of the fixed side wall 8, there is an advantage that the work of fitting the movable side wall 12 is further facilitated.

Moreover, even if the movable side wall body 12 is protruded to the maximum extent in order to increase the amount of seedlings taken out, the movable side wall body 1
2 is supported by a protrusion 12d protruding from the side surface of the rear end portion 12c, so that rattling in the left and right direction is reliably prevented, and there is no problem.

Furthermore, since the movable side wall body 12 itself is hollow, it is possible to reduce weight and save raw materials, but when molding the movable side wall body 12 with a resin material, it is possible to use a resin material. In some cases, when the wall becomes thick, the surface shrinks and becomes concave, but this can be reliably avoided by reinforcing the side surface of the movable side wall 12. It is possible to create an almost flat surface without using it, which improves precision and also improves planting precision.

It should be noted that the present invention is of course not limited to the above-mentioned embodiments; for example, the side wall on the side of the seedling stand may be formed integrally with the bottom plate instead of being separate from it. .

[Operations and Effects] In summary, the present invention is constructed as described above, so that the movable side wall moves together with the seedling receiver, and the inclined lower end of the fixed side wall on the seedling platform side and the seedling receiver Although the movable side wall body can be partitioned without leaving any space between the movable side wall body and the fixed side wall body, the inner width of the fixed side wall body is held elastically by the inclined lower end portion where the inner width is narrowed. This means that it is supported without wobbling.

As a result, it is no longer necessary to provide the movable side wall with a projecting shell on the upper surface of the middle part as in the past, and even if the middle part is formed into a groove, there is no problem in terms of preventing rattling. Since the upper surface of the middle part of the movable side wall body is lower than the other parts and has a groove shape, when it is fitted into the fixed side wall body, the movable side wall body has an inclined posture with respect to the fixed side wall body. Since the intermediate portion can be recessed deeply, the work of assembling the movable side wall body is significantly simplified, and the workability of the assembling work can be greatly improved.

[Brief explanation of the drawing]

The drawings show an embodiment of the side wall structure of the seedling stand in the rice transplanter according to the present invention, in which Fig. 1 is a side view of the main part of the planting section, and Fig. 2 is a main part of the seedling stand. A plan view, FIG. 3 is a vertical sectional view of the movable side wall portion, FIG. 4 is an enlarged sectional view taken along A-A in FIG. 2, and FIG. 5 is taken along B--
B sectional view, FIG. 6 is a sectional view showing a state in which the movable side wall body is being assembled, FIG. 7 is a perspective view of the same as above, and FIG. 8 A,
B is a front view and a bottom view of the movable side wall, and FIG. 9 is a horizontal sectional view of the side wall. In the figure, 4 is a seedling stand, 8 is a fixed side wall, 8a is an inclined lower end, 11 is a seedling receiver, 12 is a movable side wall,
12b is the middle part.

Claims (1)

[Scope of utility model registration request] A seedling receiver is provided at the slanted lower end of the seedling platform in which the planted seedling mounting section is partitioned by rib-shaped left and right side walls, and the seedling receiver is moved back and forth in the inclined direction of the seedling platform. In a rice transplanter configured to at least adjust the amount of seedlings to be taken out, the side wall includes a fixed side wall body integrally formed so as to protrude into a hollow shape toward a seedling platform, and an inclined lower end portion of the fixed side wall body. and a movable side wall body which is fitted into the movable side wall from the lower end of the inclination so as to be movable in the inclination direction, the lower end of which is connected to the seedling receiver and moves integrally with the seedling receiver in the inclination direction, the inclination of the fixed side wall body is The inner width of the lower end is narrowed to elastically support both left and right side surfaces of the movable side wall in a pinching manner,
The upper surface of the movable side wall body is configured so that the middle part thereof is shaped like a groove in the inclination direction, so that the movable side wall body can be inserted into the fixed side wall body in an inclined position up to the middle part that is shaped like a groove. A side wall structure of a seedling stand in a rice transplanter characterized by: