JP2000354414A - Picking tool for fruit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a collecting tool readily respond to fruits even if the size thereof is different and increase general-purpose properties of fruit picking. SOLUTION: This picking tool for fruits is obtained by installing a tubular pipe rod 10 having a top opening 11, a shaft 15 inserted into the pipe rod 10 so as to be movable in the shaft direction and rotatable around the shaft, a tubular rotatable gripper 20 fixed onto the basal part 16 of the shaft 15, movable simultaneously with the shaft 15 and further movable in the shaft direction relatively to the pipe rod 10, a finger part 30 comprising two or more fingers 31 having each one end 32 fixed to the tip 17 of the shaft 15 and the side of the other end 33 extended from the tip opening 11 of the pipe rod 10, protruded and urged in the extending direction with a spring member 40 so as to hold a fruit F and a spring 50 internally installed in the gripper 20, urging the pipe rod 10 in the protruding direction and contracting and closing the fingers 31 of the finger part 30 until the mutual other ends 33 contact with one another.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fruit collecting tool for collecting fruits such as apples, pears, persimmons, tangerines and cherries from below.

[0002]

2. Description of the Related Art Conventionally, as this kind of fruit collecting tool,
For example, one disclosed in Japanese Utility Model Laid-Open Publication No. Hei 6-23418 is known. As shown in FIG. 5, the conventional fruit collecting tool S is mainly for collecting relatively large fruits F such as apples and pears, and is provided rotatably with respect to the tubular gripper 1. At the tip of the tubular pipe rod 2, a pair of openable / closable holding bodies 3 for holding fruits is provided.
The pair of holding bodies 3 are formed in a cup shape at the closed position and hold the fruit. One holding body 3 is fixed, and the other holding body 3 is rotatably provided at the tip of the pipe rod 2, and a wire 4 passed through the pipe rod 2 is connected to the base of the pipe rod 2. The other holding body 3 is opened and closed by being pulled or loosened by the operation lever 5 provided at the end, and the holding and release of the fruit F are performed.

[0003]

By the way, in the above-mentioned conventional fruit collecting tool, the pair of holding bodies 3 are formed in a cup shape at the closed position. The size of the fruit F to be held is limited, and the fruit F
There was a problem that it was difficult to cope with the size of. That is,
First, in the case of fruits F of the same kind, for example, apples, it is good if the sizes of the fruits F are the same, but if there are various sizes, it is not possible to cope with this difference in size. Also,
When the type of the fruit tree F is different, for example, even if an attempt is made to collect cherries whose fruit is extremely smaller than that of an apple, the size of the cherries is extremely different, and it is impossible to cope at all. The present invention has been made in view of such a problem, and provides a fruit collecting tool which can easily cope with different sizes of fruits and can increase the versatility of fruit collecting. The purpose is to:

[0004]

To solve the above-mentioned problems, a fruit collecting tool according to the present invention comprises a tubular pipe rod having an opening at the tip, a pipe rod which is movable in the axial direction, and is rotatable around the axis. A shaft having a base end protruding from the base end of the pipe rod and a front end positioned inside the front end opening of the pipe rod; and a base end of the pipe rod and a base of the shaft. An end is inserted and fixed to the base of the shaft, and is cooperated with the shaft to be axially movable and rotatable with respect to the pipe rod, and a rotatable tubular gripper, and one end is fixed to a tip end of the shaft. And a finger part comprising two or more fingers for expanding and projecting from the tip end opening of the pipe rod and being urged in the expanding direction to grip the fruit, Protrude the pipe rod And urged in a direction has a configuration that includes a spring for condensation closed until the fingers of the finger portion by the tip opening of the pipe rod is other ends of the fingers abut.

When a fruit is to be collected using the fruit collecting tool, first, the user grips the grip with one hand, grips the pipe rod with the other hand, and brings the finger close to the fruit to be collected. The pipe rod is pulled toward the proximal end of the gripper against the urging force of the spring. As a result, the finger portion is gradually opened from the tip end opening of the pipe rod and expands. Then, when the degree of spreading is about the size of the fruit to be collected, the fruit is put into the finger of the finger part in this state, and the pulling of the pipe rod is loosened in this state. As a result, the pipe rod projects toward the distal end of the finger by the urging force of the spring, and the finger at the distal end of the pipe rod is closed and closed, and the finger grips the fruit. Next, the grip is rotated right and left while holding the pipe rod. Thereby, the shaft fixed to the grip also rotates, and the finger part fixed to the shaft rotates. Therefore, the fruit is also rotated left and right by the finger, and the handle of the fruit is twisted, so that the fruit is peeled from the trunk. Then, the collecting tool is lowered, and the pipe rod is pulled toward the base end of the gripper against the urging force of the spring in the same manner as described above to expand the finger portion, loosen the grip of the fruit, and take out the fruit. In this way, fruits are sequentially collected. In this case, the degree of opening of the finger can be reduced as much as possible from the size of the finger in the maximum open state by the opening of the end of the pipe rod, so that fruits of any size can be easily grasped. Can be easily coped with even if the sizes are different.

[0006] If necessary, a rod fixed to the distal end of the shaft coaxially with the shaft and facing the finger of the finger portion, and supporting a fruit provided at the distal end of the rod and gripped by the finger portion. It has a configuration with a support body. Since the fruit can be supported by the bearing body in addition to being gripped by the finger, it is possible to prevent the fruit from falling off the finger portion easily and stably. In this case, a female screw portion coaxial with the axis of the shaft is provided at the tip end of the shaft, a male screw portion is formed on the rod, and the rod is screwed and attached to the female screw portion. It is effective to lock with a lock nut screwed into the screw portion. By adjusting the screwing position of the rod with the female screw portion in advance and adjusting the bearing position of the support body, it is possible to smoothly grip the finger portion and support the support body according to the size of the fruit. Can be.

[0007] If necessary, a spring member for urging the finger of the finger portion in the expanding direction is provided. The fingers can be positively expanded, the responsiveness of the expansion can be improved, and the fingers can be immediately expanded. Further, if necessary, a spring member for urging the fingers of the finger portion in the expanding direction is provided, and the spring member is wound around the rod and supported by the winding portion. A spring rod extending along each finger and pressing the finger in the expanding direction. The fingers can be positively expanded, the responsiveness of the expansion can be improved, and the finger can be immediately expanded, and the spring member can be formed with a simple structure. Furthermore, if necessary, the finger portion is formed of an elongated plate-shaped spring material bent and formed in a substantially V-shape so as to include a pair of fingers, and the pair of fingers are themselves attached to the fingers by the spring material. Is provided with an urging force for expanding the opening. The fingers can be positively expanded, the responsiveness of the expansion can be improved, and the fingers can be immediately expanded. In particular, when the finger is used in combination with the above spring member, the finger can be expanded by its own urging force and the urging force of the spring member. Can be.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a fruit collecting tool according to an embodiment of the present invention. As shown in FIGS. 1 and 2, in the fruit collecting tool S according to the embodiment for collecting the fruit F, reference numeral 10 denotes a tubular pipe rod having a tip opening 11, which can be gripped and held by hand. It is formed in size. For example, the outer diameter is about 30 mm,
The length is formed to be about 1 to 2 m. Reference numeral 15 denotes a tubular shaft having a diameter smaller than that of the pipe rod 10 and having the same length as the pipe rod 10. The shaft 15 is inserted into the pipe rod 10 so as to be movable in the axial direction and rotatable about the axis, and has a base end 16 protruding from the base end 12 of the pipe rod 10 and a tip end 17 having a distal opening of the pipe rod 10. 11 is located inside. Reference numeral 20 denotes a tubular gripper having a larger diameter than the pipe rod 10. The gripper 20 is used for the pipe rod 10.
The base end 12 of the shaft 15 and the base end 16 of the shaft 15 are inserted and fixed to the base end 16 of the shaft 15, and are formed so as to be movable in the axial direction and rotatable with respect to the pipe rod 10 in cooperation with the shaft 15. Have been. 21 is the base 2 of the gripper 20
This is a welded portion for fixing the base 2 and the base of the shaft 15. The gripper 20 is formed, for example, to have a length of about 30 to 40 cm.

Reference numeral 30 denotes a finger portion comprising two or more (a pair in the embodiment) fingers 31 for gripping the fruit. The finger portion 30 is formed of an elongated plate-shaped spring material bent substantially in a V-shape so as to include the pair of fingers 31, and a biasing force for expanding the fingers 31 to the pair of fingers 31 themselves by the spring material. Has been granted. The finger portion 30 has one end portion 32, which is a bent portion of a spring material, fixed to the front end portion 17 of the shaft 15, and the other end portion 33 expands and protrudes from the front end opening 11 of the pipe rod 10, and It is urged in the expanding direction by its own urging force and the urging force of a spring member 40 described later. The other end 33 of the finger 31 is bent inward.

Reference numeral 35 denotes a finger 31 of the finger portion 30 which is fixed to the tip portion 17 of the shaft 15 coaxially with the shaft 15.
A rod 36 facing the inside is a disc-shaped support body provided at the tip of the rod 35 and supporting the fruit F gripped by the finger portion 30. Then, as shown in detail in FIG. 3, a top 37 is fixedly welded to the distal end portion 17 of the shaft 15, and
7 is provided with a female screw portion 37a coaxial with the axis of the shaft 15, while a rod 35 is formed with a male screw portion 35a, and this rod 35 is screwed and attached to the female screw portion 37a.
5 is locked by a lock nut 38 screwed into the male screw portion 35a. One end 32 of the finger portion 30 is provided with an insertion hole 34 that is inserted into a rod 35. The finger portion 30 inserts the insertion hole 34 into the rod 35 and connects the one end 32 with a frame. 37 and lock nut 38
Are fixed to the tip portion 17 of the shaft 15 by tightening the lock nut 38.

Reference numeral 40 denotes a spring member for urging the finger 31 of the finger portion 30 in the expanding direction. This spring member 40
3, is formed by bending a spring wire, and is wound around a rod 35 and supported, and extends from the wound portion 41 along each finger 31. A spring rod 42 for pressing the finger 31 in the expanding direction. Reference numeral 50 denotes a coil spring provided inside the gripper 20. The spring 50 is interposed between the welded portion 21 and the end face of the pipe rod 10 by being pressed and shrunk, and biases the pipe rod 10 in the protruding direction to cause the pipe rod 10 to protrude.
The finger 31 of the finger portion 30 is contracted by the tip end opening 11 until the other ends 33 of the fingers 31 abut against each other. Then, when the pipe rod 10 is pulled toward the base end 22 of the gripper 20 against the urging force of the spring 50, the finger portion 30 is gradually released from the distal end opening 11 of the pipe rod 10, and its own The fruit F can be gripped by being expanded by the urging force and the urging force of the spring member 40.

Therefore, when the fruit F is collected by using the fruit collecting tool S according to this embodiment, as shown in FIG. 4, first, the gripper 20 is grasped with one hand and the other hand is used. The pipe rod 10 is gripped, the finger portion 30 is brought close to the fruit F to be collected, and the pipe rod 10 is
The gripper 20 is pulled toward the proximal end side against the urging force of zero.
As a result, the finger portion 30 is gradually opened from the distal end opening 11 of the pipe rod 10, and is expanded by its own urging force and the urging force of the spring member 40. In this case, since the finger 31 is expanded by both the urging force of the finger 31 and the urging force of the spring member 40, the responsiveness is good and the finger 31 can be immediately expanded.

[0013] The fruit F whose degree of spreading is to be collected is
In this state, the fruit F is put into the finger 31 of the finger unit 30, and the pulling of the pipe rod 10 is loosened. As a result, the pipe rod 10 protrudes toward the distal end of the finger 31 by the biasing force of the spring 50, and the distal end opening 11 of the pipe rod 10 causes the finger 31 of the finger part 30 to be closed and closed, and the finger part 30 removes the fruit F. Hold. In this case, the fruit F is supported by the support body 36 in addition to being held by the finger 31, so that the fruit F is stable and easily prevented from falling off the finger portion 30. Further, the screwing position of the rod 35 with the female screw portion 37a is adjusted in advance to
By adjusting the position of the support, the grip of the finger portion 30 and the support of the support body 36 can be smoothly performed according to the size of the fruit F.

Next, the gripper 20 is rotated left and right while holding the pipe rod 10. Thereby, the gripper 20
The shaft 15 fixed to the shaft 15 also rotates, and the finger unit 30 fixed to the shaft 15 rotates. Therefore, fruit F
Is also rotated left and right by the finger 31 and the handle of the fruit F is twisted, so that the fruit F is peeled off from the trunk. In this case, the fruit F is supported by the support body 36 in addition to being held by the finger 31, so that the fruit F is stable and easily prevented from falling off the finger portion 30. Then, the sampling tool S is lowered, and the pipe rod 10 is pressed against the biasing force of the spring 50 in the same manner as described above.
The finger portion 30 is expanded by pulling the finger portion 30 toward the base end side of the finger F to loosen the grip of the fruit F and take out the fruit F.

[0015] In this manner, the fruits F are sequentially collected. In this case, since the finger portion 30 expands from the contracted position at which the fingers 31 contact each other, it is possible to easily cope with the difference in the size of the fruit F.
That is, in the case of fruit F of the same kind, for example, apples, even if the size of fruit F is not uniform and has various sizes,
Alternatively, when the type of fruit tree is different, for example, even if an attempt is made to collect a cherry whose fruit F is extremely smaller than an apple, the degree of expansion of the finger 31 is set to a state where the finger 31 is maximally opened by the tip opening 11 of the pipe rod 10. Since the size of the fruit F can be made as small as possible, the fruit F of any size can be easily grasped. Therefore, versatility of fruit collection is increased.

In the above embodiment, a pair of fingers 31 of the finger portion 30 is provided. However, the present invention is not limited to this, and three or more fingers may be provided and may be changed as appropriate. In addition, as a material of each member, an appropriate material such as metal or plastic may be used.

[0017]

As described above, according to the fruit picking tool of the present invention, the finger of the finger part which is urged in the expanding direction and grips the fruit is connected to the other end of the finger by the opening at the end of the pipe rod. Since the parts are closed and closed until they come into contact with each other, the degree of expansion of the fingers can be reduced as much as possible from the size of the finger in the maximum open state, so that even if the size of the fruit differs, it can be easily grasped Can respond,
The versatility of fruit collection is increased. In addition, since the shaft to which the finger part is fixed is made rotatable via the gripper, the fruit can be rotated to the left and right by the finger, twisting the pattern of the fruit and peeling the fruit, and collecting the fruit easily be able to.

Further, when a support for supporting the fruit gripped by the finger portion via the rod is provided at the tip of the shaft, the fruit can be supported by the support in addition to gripping the fruit with the finger. It is possible to prevent the finger from easily falling off the finger portion with good stability. In this case, when a male screw portion is formed on the rod and screwed and attached to the female screw portion at the tip of the shaft, the screwing position of the rod with respect to the female screw portion is adjusted in advance, and the support body is adjusted. By adjusting the support position, it is possible to smoothly hold the finger portion and support the support body in accordance with the size of the fruit.

Further, when a spring member for urging the finger of the finger portion in the expanding direction is provided, the finger can be positively expanded, the response to the expansion can be improved, and the finger can be instantaneously expanded. Can be expanded. In this case, if the spring member is constituted by a winding portion wound around the rod and supported, and a spring bar extending along each finger from the winding portion and pressing the finger in the expanding direction, a simple structure is obtained. A spring member can be created. Further, when the finger portion is formed of an elongated plate-shaped spring material bent and formed in a substantially V shape so as to include a pair of fingers, and a biasing force for expanding the pair of fingers themselves is applied by the spring material. In this case, the fingers can be positively expanded, the responsiveness of the expansion can be improved, and the fingers can be immediately expanded. In particular, when the finger is used in combination with the above spring member, the finger can be expanded by its own urging force and the urging force of the spring member. Can be.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a fruit collecting tool according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a fruit collecting tool according to the embodiment of the present invention.

FIG. 3 is a partially enlarged cross-sectional view showing the fruit collecting tool according to the embodiment of the present invention.

FIG. 4 is a diagram showing a use process of the fruit collecting tool according to the embodiment of the present invention.

FIG. 5 is a cross-sectional view showing an example of a conventional fruit collecting tool.

[Explanation of symbols]

 S Fruit Picking Tool F Fruit 10 Pipe Rod 11 Tip Opening 12 Base End 15 Shaft 16 Base End 17 Tip 20 Gripper 21 Weld 22 Base 30 Finger 31 Finger 32 One End 33 Other End 34 Insertion Hole 35 Rod 35a Male screw part 36 Support body 37 Frame 37a Female screw part 38 Lock nut 40 Spring member 41 Winding part 42 Spring bar 50 Coil spring

Claims (6)

[Claims] 1. A tubular pipe rod having an opening at a distal end, a pipe rod inserted through the pipe rod so as to be movable in an axial direction and rotatable around an axis, and a base end portion of which projects beyond a base end of the pipe rod. A shaft whose inner portion is located inside the distal end opening of the pipe rod, the base end of the pipe rod and the base end of the shaft are inserted and fixed to the base of the shaft; A tubular gripper that is axially movable and rotatable with respect to the rod; and one end is fixed to the distal end of the shaft, and the other end is extended from the distal end opening of the pipe rod to protrude and expand. A finger portion which is urged in the opening direction and is made up of two or more fingers for gripping the fruit, and a finger which is housed in the gripper and urges the pipe rod in a protruding direction to open the tip end of the pipe rod. The A spring for closing a spring until the other ends of the wings abut against each other. 2. A rod fixed to the distal end of the shaft coaxially with the shaft and facing the finger of the finger, and a support provided at the distal end of the rod and supporting a fruit gripped by the finger. The fruit collecting tool according to claim 1, further comprising: 3. An end portion of the shaft is provided with a female screw portion coaxial with the axis of the shaft, a male screw portion is formed on the rod, and the rod is screwed and attached to the female screw portion. 3. The fruit picking tool according to claim 2, wherein the tool is locked with a lock nut that is screwed into the male screw part. 4. The apparatus according to claim 1, further comprising a spring member for urging the fingers of the finger portion in the expanding direction.
4. The tool for collecting fruits according to 2 or 3. 5. A spring member for urging the fingers of the finger portion in the expanding direction, wherein the spring member is wound around the rod and supported, and The fruit picking tool according to claim 2 or 3, further comprising a spring rod extending along the finger and pressing the finger in an expanding direction. 6. The finger portion is formed of an elongated plate-like spring material bent and formed in a substantially V-shape so as to include a pair of fingers, and the fingers are spread on the pair of fingers themselves by the spring material. The fruit collecting tool according to claim 1, 2, 3, 4, or 5, wherein an urging force for opening is provided.