JP3177734U - Seeder - Google Patents

Abstract

Kind Code: A1 A seed sowing device is provided in which selecting seeds one by one according to the size of the seeds is realized by a structure that is not bulky without replacing adapters.
As a seed sowing device X, an adjustment tube 20 formed into a cylindrical shape by rolling a sheet and overlapping both ends thereof is held in two or more states in which the amount of overlap on the both ends of the adjustment tube is different. An adjustment tube inner diameter change holding portion, a seed storage container 10 including a container provided above the adjustment tube and having a hole led to the upper portion of the adjustment tube formed at a lower portion, and provided at a lower end of the adjustment tube. It is comprised from the lid | cover 30 which can be opened and closed by a user's operation.
[Selection] Figure 1

Description

The present invention relates to a device for seeding by containing seeds and discharging the seeds by a predetermined amount.

In many cases, sowing is often carried out by grabbing a seed with a finger, but a small seed is difficult to grasp with a finger and may be missed or may be grasped too much.
On the other hand, the following patent document shows a seed sowing device configured such that a seed is dropped by putting a seed in a container and operating a lever or the like to open a lid. When such a seed sowing device is used, the operation of grasping the seed with a finger is not required, and the operation can be performed reliably and easily.
By the way, since the seeds vary in size depending on the type of plant, in order to plant multiple types of seeds with a single seeder, a function of selecting seeds one by one according to size is required. Become. In the device described in the following patent document, the size of the hole through which the seed passes can be changed by exchanging an adapter having an inner diameter that matches the size of the seed, or by sliding a vacant plate with holes of different sizes. It has been shown that.

Japanese Patent No.4855543 JP 2004-261097 Japanese Utility Model Publication No. 31-18625

However, in the case of a structure in which the adapter is exchanged, the adapter to be exchanged needs to be stored in another place, and the adapter is often lost. In addition, when sliding a plate having holes of different sizes, there is a problem that the plate projects sideways and becomes bulky.
In view of such problems, the present invention realizes that in a seed sowing device, the seeds are selected one by one according to the size of the seeds by a structure that is not bulky and does not involve replacement of the adapter. Let it be an issue.

In order to solve the above problems, the present invention has the following configuration.
The invention according to claim 1 is an adjustment pipe formed in a cylindrical shape by rolling a sheet and overlapping both ends thereof, and an adjustment for holding in two or more states in which the amount of overlap of the both ends of the adjustment pipe is different. A pipe inner diameter change holding portion, a seed storage container that is provided above the adjustment pipe, and includes a container in which a hole led to the upper part of the adjustment pipe is formed in the lower part; and a user's A seed sowing device having a lid that can be opened and closed by operation.
The invention according to claim 2, in the seed sowing device, the adjustment tube inner diameter change holding portion is formed in a circumferential direction when the adjustment tube is formed in a range overlapping at least the outer side of the sheet; Provided on the outer surface of the sheet that overlaps at least the outer side of the sheet, on the surface that overlaps with the engaged portion that is formed of two or more convex portions or concave portions provided along the slit, and that overlaps the inner surface of the sheet It is comprised from the protrusion part which protrudes from the said slit, and the engaging part which has a recessed part or convex part engaged with the said to-be-engaged part provided in the front end side of the said protrusion part.
According to a third aspect of the present invention, in the seed sowing device, the seed container is in an elongated cylindrical shape, and the lid is formed to open by pressing a button provided on an upper end of the seed container. It is.

The invention according to claim 1 is configured to change the inner diameter of the adjustment pipe by changing the amount of rounding of the adjustment pipe obtained by rounding the seat, so there is no need to replace the adapter, and to the side It is not bulky.
According to the second aspect of the present invention, the adjustment tube inner diameter change holding portion for changing the inner diameter of the adjustment tube is formed on the sheet constituting the adjustment tube, so that the adjustment tube inner diameter change holding portion is formed as an adjustment tube. It can be formed so as not to be bulky.
The invention described in claim 3 has a mechanical pencil by making the seed container into an elongated cylindrical shape and opening a lid for dropping seeds by pressing a button provided on the upper end of the seed container. In this way, you can drop seeds by pressing a button with your thumb, so it is easy to hold and operate.

It is a perspective view of seed sowing device X concerning an embodiment. It is a longitudinal section of seed sowing device X concerning an embodiment. (A) is a top view of the sheet body which comprises an adjustment pipe unit, (b) is a front view of the sheet body which comprises an adjustment pipe unit, (c) is the side surface of the sheet body which comprises an adjustment pipe unit It is a figure and (d) is a rear view of the sheet | seat body which comprises an adjustment pipe unit. It is a perspective view of an adjustment pipe unit. (A) is a partially broken partial enlarged perspective view showing the vicinity of the lid, and (b) is a partially broken partial enlarged perspective view showing the vicinity of the lid in a state where the lid is open. It is a perspective view of the back side which shows the modification of the sheet body which constitutes an adjustment pipe unit.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a perspective view of a seed sowing device X according to the present embodiment, and FIG. 2 is a longitudinal sectional view of the seed sowing device X. The seed sowing device X includes a seed container 10, an adjustment pipe unit 20, and a lid unit 30.
The seed container 10 is a cylindrical body, and the lower end is formed in a funnel shape. A groove 11 along the inner peripheral surface is formed inside the upper end of the seed container 10, and a compression spring 11 a is fixed to the bottom of the groove 11. In addition, a sheath 31 constituting a lid unit 30 described later is integrally formed on the side surface of the seed container 10.

  The adjustment pipe unit 20 is formed by rolling a sheet body into a cylindrical shape, and is fixed to the lower end side of the seed container 10. FIG. 3A is a plan view of the sheet body constituting the adjusting pipe unit 20, FIG. 3B is a front view thereof, FIG. 3C is a side view thereof, and FIG. Show. In the sheet body, for convenience, the left side when viewed from the front is one end and the right side is the other end. As shown in FIG. 3 (b), the sheet body is a thin plastic plate body having a substantially rectangular shape, and is thinned from one end side to the other end side as shown in FIG. 3 (a). Is formed. Further, as shown in FIGS. 3A and 3B, an engaged unit 21 having a shape in which four kamaboko-shaped protrusions are arranged in the vicinity of the upper front is provided, and one end is provided below the engaged unit 21. Slits 22, 22 formed in the lateral direction with the side reaching the edge are provided at regular intervals. A recessed portion formed between the protrusions of the engaged unit 21 and an end on the other end side of the engaged unit 21 constitute an engaged portion that engages with an engaging portion described later. Protruding portions 23 and 23 made of round bars having substantially the same width as the slits are provided at positions near the other ends of the slits 22 and 22 on the back side of the sheet body, and at the tips of the protruding portions 23 and 23, A pressing plate 24 made of a long and narrow plate is provided on the upper and lower sides. The presser plate 24 is formed long so that the upper part reaches the same position as the height of the engaged unit 21, and is formed on the sheet side surface of the presser plate 24 at the same position as the engaged unit 21. An engaging portion 25 made of a semi-cylindrical protrusion is provided. Further, the upper edge of the sheet body is inclined so as to fall from one end to the other end as shown in FIG. 3 (b), and chamfered so that the back side is inclined as shown in FIG. 3 (c). Yes. Further, as shown in FIG. 3B, a groove 26 is formed in the vertical direction near one end on the front side.

The sheet body having the above configuration is rounded so that the front side is convex, and the protruding portions 23 and 23 are inserted from one end side of the slits 22 and 22. As a result, as shown in the perspective view of FIG. 4, the cylindrical adjustment tube is formed by overlapping so that the fixed range on one end side is on the outside and the fixed range on the other end side is on the inside. Here, when the engaging portion 25 is fitted between the protrusions of the engaged unit 21, the sheet body can be fixed in a curled state. Since the engaged unit 21 has four protrusions, three engaged portions each including a groove between the protrusions are formed, and the engaging portion 25 can be engaged with the other end side of the engaged unit 21. By selecting an engaged portion to be engaged with the joining portion 25 from these, the amount of overlap between the one end side and the other end side is changed, and as a result, the adjustment tube can change the inner diameter in four stages. Here, the inner diameter of the adjustment tube is configured to be changeable to 2 mm, 3 mm, 4 mm, and 5 mm. Adjusted tube inner diameter change that holds the engaged unit 21, the slit 22, the protruding portion 23, the holding plate 24, and the engaging portion 24 in two or more states in which the overlapping amount on one end side and the other end side of the adjusting tube is different. A holding part is configured.
Since the sheet body is provided with an inclination at the upper edge, when it is rolled, a spiral is formed so that the upper edge is lowered toward the inside, and a chamfering is formed at the upper edge that is lowered toward the inside. All seeds that fall to the upper edge of the tube go to the center hole.
The adjustment pipe unit 20 having the above-described structure is fixed to the sheath portion 31 by bonding the edge on one end side and the groove 26 to the sheath portion 31 described later.

  The lid unit 30 includes a sheath portion 31, a push button 32, a transmission rod 33, and a lid portion 34. The sheath portion 31 is a rod-shaped body having a U-shaped cross section, and the upper end side is integrally formed on the side surface of the seed container 10 along the longitudinal direction. The lower side of the seed container 10 of the sheath portion 31 slightly protrudes toward the seed container 10 side, the edge of one end side of the adjustment tube unit 20 is bonded to one of both protruding edges, and the adjustment tube unit 20 is connected to the other. The adjustment pipe unit 20 is held and fixed by fitting and adhering the groove 26. The lower end side of the sheath part 31 extends slightly below the adjustment pipe unit 20, and a protective ring 31a is fixed to the lowermost end part. The push button 32 has a flat elliptical columnar appearance, and a cylindrical portion 32 a that fits into the groove 11 of the seed container 10 is formed on the lower surface on one end side. A transmission rod 33 made of a round bar is provided on the lower surface of the cylindrical portion 32a in a state where the cylindrical portion 32a is fitted in the groove 11 of the seed container 10 and the other end is positioned above the sheath portion 31. 31 is fixed to pass through. The tip of the transmission rod 33 is formed in a wedge shape. The lid portion 34 constitutes a lid that is fixed to the sheath portion 31 so as to close the lower end surface of the adjustment pipe unit 20. FIG. 5A shows a partially broken partial enlarged perspective view showing the vicinity of the lid 34. The lid portion 34 includes lid bodies 34a and 34a obtained by dividing the disc into two at the center, and support plates 34b and 34b made of thin plate springs that support the lid bodies 34a and 34a on one end side. The support plates 34 b and 34 b are fixed to the inner wall of the sheath portion 31 at one end side with a small gap parallel to each other. When the support plates 34b and 34b are in the normal positions, the lid bodies 34a and 34a are in contact with each other as shown in FIG. Here, when the transmission rod 33 having a wedge-shaped tip is lowered and enters between the support plates 34b and 34b, the support plates 34b and 34b are separated from each other as shown in FIG. 5B. The lid bodies 34a and 34a that are opened and connected thereto also move away from each other. There is nothing blocking the lower end of the adjusting pipe unit 20, and the lower end of the adjusting pipe unit 20 is opened.

Next, a method for using the seed sowing device X having the above configuration will be described. First, the user selects the engagement position of the engagement portion 25 of the adjustment pipe unit 20 according to the size of the seed, and sets the inner diameter of the adjustment pipe unit 20 to an appropriate size. Next, the push button 32 is removed together with the transmission rod 33 to open the upper part of the seed container 10, and the seed is put into the container 10 from here. Thereafter, the cylindrical portion 32a of the push button 32 is fitted into the groove 11 of the receiving container 10, and the transmission rod 33 is inserted into the sheath portion 31, whereby the push button 32 is returned to the original state, and the preparation work is completed. If the inner diameter of the adjusting tube unit 20 is appropriate, the seeds that have entered the container 10 enter the adjusting tube unit 20 one by one and are arranged in a row in the adjusting tube unit 20.
When sowing seeds, push button 32 is pressed on the seed sowing soil. As a result, the lid bodies 34a, 34a of the lid portion 34 are opened, the lower part of the adjustment pipe unit 20 is opened, and the seeds are dropped. When the push button 32 is released, the push button 32 is pushed up by the compression spring 11a provided in the groove 11 of the container 10, and the transmission rod 33 that restrains the support plates 34b and 34b that support the lid bodies 34a and 34a is also upward. Therefore, the support plates 34 and 34 return to their original states due to elasticity, and the lid bodies 34a and 34a are also closed accordingly. If the push button 32 is pushed and released at short intervals, the seeds can be dropped one by one, and the seed soaker X can be moved along the soil while holding down the push button 32 for a long time. I can whisper.
The seed sowing device X according to the present embodiment can be bulky because the seed can be selected one by one according to the size of the seed without changing the adapter, and the inner diameter can be adjusted while the tube is thin. Absent.

In addition, the magnitude | size of the internal diameter of the adjustment pipe unit in the said embodiment is an illustration, and what kind of internal diameter is selected in what step can be changed suitably. Further, in the above embodiment, the adjustment tube inner diameter change holding portion can be variously modified as long as it can be fixed in a state where the inner diameter of the adjustment tube is different. For example, the adjustment tube is wound with a fastening belt capable of changing the fastening amount. It is also possible to use a method in which the inner diameter of the adjusting tube is changed by fixing and adjusting the fastening amount. In addition, the lid unit in the above embodiment is an example, and various structures can be adopted as long as the lid is opened by a user's operation.
Furthermore, a thin sleeve may be provided on the back side of the sheet body constituting the adjustment pipe unit 20. FIG. 6 is a perspective view of the sheet body provided with the sleeve 27 as seen from the back side. The sleeve is a plate-like body fixed so as to form a thin gap with the back surface of the sheet body. When the adjustment body unit 20 is formed by rounding the sheet body, the distal end edge on the other end side is formed on the sleeve 27. If it is inserted into the gap and rounded, the slit 22 can be prevented from appearing inside the adjustment pipe unit 20.

X seeder 10 seed container 20 adjustment tube unit 21 engaged unit 22 slit 23 projecting part 24 holding plate 25 engaging part 30 lid unit 31 sheath part 32 push button 33 transmission rod 34 lid part

Claims (3)

An adjustment tube formed into a cylindrical shape by rolling the sheet and overlapping both ends,
An adjustment tube inner diameter change holding portion for holding the adjustment tube in two or more states with different amounts of overlap on both end sides;
A seed storage container comprising a container provided above the adjustment pipe and having a hole led to the upper part of the adjustment pipe formed in the lower part;
A seed sowing device having a lid that closes the adjustment tube and can be opened and closed by a user's operation. The adjustment pipe inner diameter change holding part is
A slit formed in the circumferential direction when the adjustment pipe is formed in a range overlapping at least the outside of the sheet;
An engaged portion composed of two or more convex portions or concave portions provided along the slit on the outer surface in a range overlapping at least the outside of the sheet;
A protrusion protruding from the slit provided on a surface overlapping the slit in a range overlapping the inside of the sheet;
The seed sowing device according to claim 1, further comprising an engaging portion having a concave portion or a convex portion that engages with the engaged portion provided on a distal end side of the protruding portion.   3. The seed sowing device according to claim 1, wherein the seed container is an elongated cylindrical shape, and the lid is formed so as to be opened by pressing a button provided on an upper end of the seed container.

Images