JP2010273665A - Soil-digging shovel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a soil-digging shovel capable of applying a fertilizer by boring soil to make hole(s) in a Bonsai or at the root of a horticultural crop. <P>SOLUTION: The soil-digging shovel to be used in applying a fertilizer B by boring the soil C to make hole(s) in a Bonsai or at the root of a horticultural crop A is provided. The shovel is such that: a handle 3 is unified with an one-side opening 2 of the body 1 made of a stainless pipe; while a piston 5 freely slidable in the hollow part 1a of the body 1 incised slantly 4 with the other opening 2 is unified with a handle 7 to be ejected out via a slit 6 incised in the body 1; with the thus unified piston 5 and the handle 7, the body 1 inserted into the soil C at the root of a horticultural crop A is pulled out with the soil C packed in the hollow part 1a, whereby a hole is opened correspondingly to the size of the pipe to enable a fertilizer B to be embedded in the hole; and the soil C packed in the hollow part 1a can be discharged and unloaded via the opening 2 on moving the piston 5 by operating P the handle 7. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  This invention relates to an excavation shovel for making a hole in the soil, for example, to fertilize the roots of crops such as flower beds and potted plants, and more specifically, to a shovel with a piston built in a pipe-shaped shovel body, A hole where fertilizer is put in with the soil that is pushed out into the hollow part by pushing out the soil clogged in the pipe-shaped hollow part of the shovel body pushed into the soil and making a hole to put fertilizer, and pushing out the soil clogged in the hollow part from the hollow part For excavating shovels that can fill up.

  As this type of conventional technology, a drilling scoop that can be operated with a weak force, has a simple structure and is inexpensive, registered utility model literature 1 or registered utility model literature 2 describes a drilling tool, and is disclosed. Has been.

  That is, the digging scoop in Document 1 has a semi-cylindrical scope blade at a predetermined interval at the lower ends of two scissors-type symmetrical rods that are pivotally mounted with a shaft pin as a fulcrum. The length from the tip of the scope blades arranged in parallel to each other to form a circular shape and the shaft pins that serve as fulcrums is the width of the parallel width of the scope blade (the semi-circular shape of the opposing scope blade) Each of which is bent symmetrically between the dimensional positions slightly longer than the diameter size), two rods overlap, the shaft pin is provided as a fulcrum, and the two terminals that serve as the handles extending to the other are almost parallel and constant The axis pin position of these two rods is so long that the length from the tip of the scope blade to the axis pin is much longer than the length from the two terminals that become the handle to the axis pin. Set to short length and grip handle Operating force is digging shovel disclosed consisting configuration which can soil digging in scope blade weak.

  Further, the drilling tool in Document 2 is a drilling tool in which a handle is provided at one end of an elongated rod-shaped handle bar, and a drilling part is provided at one end, and this drilling part digs a hole in the soil. Constructed in a U-shape with a U-shaped metal plate that is bent straight on both sides of the upper plate surface. The tip of the handle stick (spindle shaft) attaches to the center of the upper plate surface and is fixed, and then the two pieces of plate are extended in the axial direction of the tip of the handle stick. A drilling tool is disclosed in which a drill is drilled in the soil surface by inserting the stab into the ground and rotating the excavating part left and right.

Utility Model Registration No. 3068866 Utility Model Registration No. 3098667

  However, both of the documents 1 and 2 mentioned above are ideal as tools for excavating holes in the ground such as planting trees, standing up piles, etc. Even if you can dig up soil from planters or flower pots to spread fertilizer on the roots or roots of crops, flowers, or plants in potted plants, etc., drill the cavity directly from the ground to the root bed with roots However, there is a problem that the hole collapses and fills in the middle, so that fertilizer cannot be sprayed from the ground to deep roots. Also, the excavated soil protrudes from planters and flowerpots, scatters the floor, and there are problems such as difficulty in processing excavated soil. Then, using a shovel with a handle on the rake part, which is widely used in gardening, etc., digging holes while scratching the roots and spreading fertilizer on the ground, etc. In general, it was not suitable for fertilizer application, and there was a strong demand for an optimal excavation shovel.

In order to solve such a problem, the present invention in claim 1 is an overall perspective view showing a partial cross section in FIG. Digging shovels used for embedding and spraying, these main bodies 1 use stainless steel pipes, a handle 3 is integrated into one opening 2, and the other opening 2 is inclined 4 The excavation shovel is configured to be integrated with the handle 7 that is cut into the main body 1 and the slidable piston 5 in the hollow portion 1a of the pipe jumps out from the slit 6 cut into the main body 1. By inserting the openings of the main body 1 into the soil C, the soil C packed in the hollow portion 1a is pulled up, round holes are opened in the ground, and fertilizer can be sprayed into these holes. Then, the soil of the hollow portion 1a filled with the soil C removed from the hole is operated P with the handle 7 directed toward the opening 2, and the sliding piston 5 discharges the soil clogged in the hollow 1a from the opening 2. A configuration that can be made.
3 and FIG. 4 are perspective views showing examples of use in the invention of claim 1, and FIG. 3 is a case where the excavation shovel is inserted into the ground of the potted garden crop A to an appropriate depth and inserted. The use example in which the soil packed in the hollow portion 1a of the inserted main body 1 is extracted from the ground together with the main body 1 by extracting the main body 1 and a round hole is opened vertically in the soil is shown.
FIG. 4 shows an example of use in which the soil C taken out from the flower pot is filled with the hollow portion 1a of the main body 1 and the piston 5 is slid by the operation P of the handle 7 and the packed soil C is discharged. Yes.

  Next, the invention according to claim 2 is a structure in which the handle 7 provided on the piston 5 described above can be held on the handle 3 side by the expansion / contraction coil spring 8 as described in the overall perspective view shown in FIG. We are offering excavation shovels.

  Since the present invention operates as described above, the following excellent effects can be obtained. That is, according to the first shovel according to claim 1, it is possible to regularly extract fertilizers in home gardens and horticultural crops, or to extract the pipes that are plugged in even on the hard ground at complicated roots. By opening a number of small cavities in the ground, fertilizer can be sprayed directly into the cavities, and an excavation shovel can be provided that can immediately fertilize fertilizer without waste.

  Next, according to the earth digging shovel according to claim 2, since the piston that slides in the hollow portion of the main body is lifted up to the handle, the hollow portion of the main body is moved to the soil warehouse for minute increase / decrease in the soil of the bonsai or planter. By using it, you can provide a soil digging shovel that can be raked and earthed without spilling.

The present invention will be described in more detail below based on the illustrated embodiments. That is, FIG. 1 is a perspective view showing the whole in a partial cross section in the first embodiment of the present invention. A hole is drilled to the soil C at the base to bury the fertilizer B in the soil C at the root of the horticultural crop A. An excavation shovel used as a tool for soil scooping, etc., in which a handle 3 is integrated into one opening of a pipe-shaped stainless steel body 1 and the other opening 2 is cut into an inclined shape 4 in the hollow of the body 1 The piston 5 slidable in the part 1a is integrated with the handle 7 that protrudes to the outside from the slit 6 cut into the main body 1, and the main body 1 inserted into the soil C is pushed into the hollow part 1a and removed. A hole is opened in the diameter of the pipe, and the removed soil C in the hollow portion is pushed by the piston 5 that is moved by the operation P of the handle 7 and can be discharged and taken out from the opening 2.
FIG. 3 is a perspective view of the use example of the above-mentioned soil digging shovel. By grasping the handle 3 of the main body 1 into the soil C at the base of the potted horticultural crop A and inserting the opening 2 into the opening 2, The piston 5 is lifted while pressing the soil C entering from the opening 2 pushed into the piston 5 that has been slid down toward the piston 5, and is packed into the hollow portion 1 a, and the soil C at the base is pulled together with the pulled-out main body 1. A hollow is opened at the base vertically from the ground, and the fertilizer B procured individually is sprayed into the cavity, and the fertilizer B is covered with the soil C by using the soil C of the hollow portion 1a of the main body 1. Can provide a soil excavator shovel that can be easily sprayed.
FIG. 4 is a perspective view showing the entire operation P example of discharging the soil C packed in the hollow portion 1 a of the main body 1, and the handle 7 integrated with the piston 5 is within the longest length of the slit 6. It is possible to move.

  Next, FIG. 2 is an overall perspective view according to the second embodiment of the present invention. The handle 7 integrated with the piston 5 is held by the telescopic coil spring 8 on the handle side. The hollow portion 1a is used as a soil C scoop of the horticultural crop A using the space of the maximum volume at all times, and embodies a soil digging shovel that is most suitable for digging the pot while moving the handle 7 in a small amount. Of course, since the piston 5 is held on the handle 3 side even during the work in the drilling operation of fertilizer at the base, for example, in the hard ground of potted plant, there is no pressing pressure of the piston 5 on the soil C to be packed. It is effective because it can drill holes.

It is a whole perspective view in the partial cross section in 1st Example concerning this invention. It is a whole perspective view in 2nd Example concerning this invention. It is a perspective view showing an example of use in the 1st example concerning the present invention. It is a perspective view showing other examples of use in the 1st example concerning the present invention.

Explanation of sign

A Horticultural crops B Fertilizer C Soil 1 Body 1a Hollow 2 Opening 3 Handle 4 Inclined 5 Piston 6 Slit 7 Handle 8 Spring

Claims (2)

  In the excavation shovel that is used to pierce the soil C at the base of the bonsai or horticultural crop A and spray the fertilizer B, the handle 3 is integrated with the opening 2 on one side of the body 1 made of a stainless steel pipe, and the other opening A piston 5 slidable in the hollow portion 1a of the main body 1 with the portion 2 cut into the inclined shape 4 is integrated with a handle 7 that jumps out from the slit 6 cut into the main body 1, and these are integrated into the garden crop A. Since the main body 1 inserted into the soil C at the base is pulled out with the soil C packed in the hollow portion 1a, a hole is opened by the thickness of the pipe, and the fertilizer B can be embedded, and the hollow portion 1a is packed. The soil digging shovel is characterized in that the soil C can be discharged and taken out from the opening 2 by moving the piston 5 by the operation 7 of the handle 7.   The earth digging shovel according to claim 1, wherein the handle (7) provided integrally with the piston (5) can be held on the handle (3) side by a telescopic coil spring (8).

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