JP2005304313A - Extrusion apparatus for fishing bait - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an extrusion apparatus for a fishing bait easily extruding the fishing bait without requiring force, having durability without obstructing operation in a fishing place because of simple and compact constitution and arranged so as to readily take the fishing bait in a hand according to conditions of the fishing place or the posture when fishing is carried out. <P>SOLUTION: The extrusion apparatus for the fishing bait is equipped with a bottomed outer cylindrical body 1 having an internal thread part 12 at an inner peripheral end face 11 in an opening, a piston 3 with a seal 32 erected in a bottom wall part 13 of the outer cylindrical body 1 and an inner cylindrical body 2 for housing the fishing bait having an external thread part 22 screwing onto the internal thread part 12 on the outer peripheral surface 21 and insertable into the outer cylindrical body 1 so as to freely advance and retreat by screwing. The inner cylindrical body 2 for housing the fishing bait has a hole for discharging the fishing bait U at the tip and the seal 32 of the piston 3 comes into contact with the inner peripheral surface 23. The piston 3 is composed so as to freely rotate relatively to the outer cylindrical body 1, co-rotate with the inner cylindrical body 2, advance and retreat while sliding along the inner peripheral surface 23 when the inner cylindrical body 2 advances or retreats by screwing. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a fishing bait pusher that extrudes (squeezes out) bait in fishing such as a spatula.

Conventionally, as an apparatus that pushes out and uses fishing bait (udon), an outer cylinder that is filled with fishing bait is erected, and an extrusion cylinder for pushing the fishing bait upward is slidable up and down. It is known that a support plate is slidably contacted below the extrusion cylinder, and the action point of the lever bar is pivotally attached to a movable bracket fixed to the support plate. (For example, refer to Patent Document 1).
When the lever bar is gripped and a force is applied, the lever is pushed up by the support plate by the lever principle, and fishing bait is pushed out from the nozzle portion provided at the upper part of the outer cylinder. .
JP 7-289131 A

This conventional fishing bait pusher is composed of a number of members such as an outer cylinder, a lever rod, and a base for holding them, so that the structure is complicated, and this is a hindrance at fishing grounds. Moreover, since a large force is applied to the pivoting portion of the action point of the movable bracket and the lever bar, it is easily broken.
In addition, when the extrusion cylinder moves up and down, the method of applying an upward force from the support plate to the extrusion cylinder is not uniform, so the extrusion cylinder does not move up and down stably.
Moreover, since it is mounted on the floor etc. and discharges fishing bait only upwards, according to the situation of a fishing ground and the attitude | position at the time of fishing, it cannot be easily picked up and placed.

  Therefore, the present invention can easily push out fishing bait without requiring force, has durability, and has a simple and compact configuration, so it does not get in the way at fishing grounds, An object of the present invention is to provide a fishing bait pusher that can be arranged so that fishing baits can be easily taken in accordance with the conditions of fishing grounds and postures when fishing.

  In order to achieve the above object, a fishing bait pusher according to the present invention includes a bottomed outer cylinder having a female screw portion on an inner peripheral end surface of an opening, and a seal erected on the bottom wall portion of the outer cylinder. A piston with a thread and a male threaded portion that engages with the female threaded portion on the outer peripheral surface and can be removably inserted into the outer cylindrical body and has a hole for discharging fishing bait at the tip. A fishing bait containing inner cylinder in which the seal contacts the inner peripheral surface.

Further, the piston is configured to be rotatable with respect to the outer cylinder, and is configured to advance and retreat while sliding along the inner peripheral surface together with the inner cylinder when the inner cylinder is screwed back and forth. It has been done.
The piston has a piston main body having a seal and a piston shaft portion integrally, and the piston shaft portion is formed on the bottom wall portion of the outer cylindrical body via a frictional force reducing member. The hole is rotatably attached.

  Further, the inner cylinder has a cap portion at the tip and a nozzle member having nozzle holes having different inner diameters and attached to the cap portion so as to be detachable and replaceable.

The present invention has the following remarkable effects.
Because it is compact in size and shape, it can be placed so that it does not get in the way at the fishing spot, and it can be easily picked up by the fishing bait according to the situation of the fishing spot and the posture when fishing.
In addition, since the inner cylinder is screwed onto the outer cylinder, the fishing bait can be pushed out smoothly without requiring force. Moreover, since it has a durable structure, even if it is used repeatedly, it does not deteriorate and can continue to be used with smooth rotation.
In addition, the fishing bait is held in a sealed space formed by the inner peripheral surface of the inner cylinder and the tip side of the piston, so that external air and light are difficult to enter and prevent deterioration for a long time. Can do.

Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments.
1, 2, 3, 4, and 5, the fishing bait pusher according to the present invention includes a bottomed outer cylindrical body 1 having a female screw portion 12 on an opening inner peripheral end surface 11, and a female screw. An inner cylinder 2 for storing bait that can be inserted into the outer cylinder 1 so that it can be screwed back and forth, and has a male thread 22 that is screwed into the outer surface 21, and a bottom wall portion of the outer cylinder 1 13 and a piston 3 having a seal 32 that stands and contacts the inner peripheral surface 23 of the inner cylindrical body 2.

Specifically, the outer cylindrical body 1 includes a short cylindrical fitting portion 17 provided on the base end side of the bottom wall portion 13 and attached with a cover member 51 (described later) so as to be detachable.
The outer peripheral surface of the short cylindrical fitting portion 17 is formed so as to be gently tapered in the proximal end side so that the attached cover member 51 is not unexpectedly removed, and the proximal end surface of the fitting portion 17 Are provided with female screw holes 17a to be screwed into screws or the like for fixing after attaching the cover member 51 and a mounting member 52 (described later).
And the outer cylinder 1 has the hole 13a in which the insertion part 33a of the base end side of the piston shaft part 33 (after-mentioned) is rotatably inserted in the center of the bottom wall part 13. As shown in FIG.
In addition, the outer cylinder 1 is formed with an uneven portion (knurl portion) 14 for preventing slipping that is gripped when the inner cylinder 2 is screwed in between the front end and the base end of the outer peripheral surface.
The outer cylinder 1 is made of an aluminum material having corrosion resistance. Or it consists of composite materials, such as aluminum and stainless steel.
Further, the female screw portion 12 of the outer cylindrical body 1 is coated with a fluororesin so that the female screw portion 12 is provided with rust prevention and wear resistance and low friction properties. Alternatively, although not shown in the drawings, the opening inner peripheral end surface 11 of the outer peripheral surface of the outer cylindrical body 1 is formed with an enlarged diameter, and a nylon bush having a female screw portion 12 is inserted into and attached to this portion. May be.

Next, the inner cylindrical body 2 is provided so as to close the cylindrical portion 2A in which the male thread portion 22 is formed on the outer peripheral surface 21 and the inside 7 is filled with fishing bait (udon) U, and the front end side of the cylindrical portion 2A. The cap part 2B has a short columnar male screw part 16 in a protruding shape on the tip side.
Further, the short cylindrical portion 25 of the cap portion 2B is provided with an uneven portion (knurl portion) 24 for preventing slipping that is gripped when the inner cylindrical body 2 is screwed on the outer peripheral surface thereof. The concavo-convex portion 24 and the concavo-convex portion 14 are formed by knurling, formed with a small gear-like concavo-convex by a drawing material, or (aluminum) die cast molding, It may be formed in a gear-like uneven shape by injection or extrusion.
In addition, the male screw portion 16 and the short cylindrical portion 25 are provided with a hole 15 for discharging fishing bait (udon) U in the direction of the screw retreat axis of the inner cylinder 2.
Further, the base end face 25a of the short cylindrical portion 25 is formed in a gentle taper shape toward the distal end side in the center direction of the hole 15.
The inner peripheral surface 23 of the cylindrical portion 2A has a diameter-expanded portion 23a formed at the proximal end side opening, and the piston 3 can be smoothly fitted.
The inner cylindrical body 2 is configured by, for example, a cylindrical portion 2A formed from a stainless material and a cap portion 2B formed from an aluminum material fixed to each other. It is preferable to coat the inner peripheral surface 23 and the outer peripheral surface 21 (male thread portion 22) of the inner cylinder 2 with a fluororesin coating layer (coating) (for improved wear resistance and low frictional force).
When the entire inner cylinder 2 is made of aluminum, a hard oxide film treatment (alumite treatment) is applied to the inner peripheral surface 23 of the cylindrical portion 2A in order to provide rust prevention and wear resistance. desirable.

The male threaded portion 16 of the cap portion 2B is alternatively attached so that a set of cylindrical nozzle members 4 having nozzle holes 40 having different inner diameters D can be attached and detached (see FIG. 3).
Specifically, in the nozzle member 4, a female screw portion 43 that is screwed into the male screw portion 16 is formed on the inner peripheral surface 41 on the base end side. In addition, a circumferential groove 45 is formed on the distal end side of the female screw portion 43, and a seal 42 in which the distal end of the screwed male screw portion 16 is closely fitted is fitted into the circumferential groove 45.
Further, the outer periphery on the tip side of the nozzle member 4 is formed in a taper shape, and a knurled portion 44 for preventing slipping that is gripped when the outer peripheral surface of the cylindrical portion of the nozzle member 4 is screwed to the male screw portion 16. Is formed.

Next, the piston 3 includes a disc-shaped piston main body 30 with a seal 32 that pushes out the fishing bait U at the distal end surface 31, and an elongated cylindrical piston shaft portion 33 that extends to the proximal end side of the piston main body 30. It has one.
The piston body 30 has a circumferential groove 34 that is fitted into the seal 32.
Further, the piston shaft portion 33 is formed with a flange portion 33b that sandwiches a frictional force reducing member 9 (described later) between the bottom wall portion 13 of the outer cylindrical body 1 on the proximal end side, and a proximal end of the flange portion 33b. On the side, a short columnar insertion portion 33a to be inserted into the hole 13a of the bottom wall portion 13 of the outer cylindrical body 1 is provided. The insertion portion 33a has a female screw hole 18 screwed into the countersunk screw 49 or the like at the base end surface thereof.
The nozzle member 4 and the piston 3 are made of an aluminum material or the like.

48 is a flat washer (with counterbore). The flat washer 48 sandwiches the frictional force reducing member 9 between the bottom wall portion 13 and the bottom wall portion 13 on the side of the base end surface 13c of the bottom wall portion 13 (and is inserted into the hole 13a of the bottom wall portion 13). ) It comes into contact with the insertion part 33a of the piston shaft part 33.
The flat washer 48 is preferably made of an aluminum material, and the countersunk screw 49 inserted into the flat washer 48 is preferably made of a stainless steel material. The frictional force reducing member 9 has a thin ring shape and is preferably made of a resin material or the like.
The cover member 51 has a disk shape having a fitting recess 51a into which the fitting portion 17 is detachably fitted, and is made of rubber or the like and has elasticity and flexibility.

Next, the usage method (action) of the fishing bait pusher will be described.
In FIG. 5, the insertion portion 33 a of the piston shaft portion 33 is inserted into the hole portion 13 a of the bottom wall portion 13 of the outer cylinder 1 through the two friction force reducing members 9, 9. Then, on the base end surface 13c side of the bottom wall portion 13, a flat washer 48 is brought into contact with the base end surface of the insertion portion 33a via the two friction force reducing members 9, 9, and a countersunk screw 49 or the like is attached. Then, it is inserted into the flat washer 48 and screwed into the female screw hole 18 of the insertion portion 33a of the piston shaft portion 33 (see the base end side in FIG. 2).
Since the base end surface of the insertion portion 33a of the piston shaft portion 33 and the flat washer 48 come into contact with each other, a predetermined interval is maintained between the flange portion 33b of the piston shaft portion 33 and the flat washer 48, and the bottom wall portion 13 and the friction The force reducing members 9 are prevented from being strongly pinched by the flange portion 33b and the flat washer 48, and the piston shaft portion 33 can rotate smoothly with respect to the outer cylindrical body 1.
Then, the cover member 51 is attached to the fitting portion 17 in a surrounding shape.

Further, the insertion portion 33a of the piston shaft portion 33 can be changed in design as shown in FIGS. 2 and 5, and may be configured as shown in FIG.
Specifically, in FIG. 6A, the insertion portion 33a is formed in a hollow shape in the center of the base end surface so as to be caulked so as to expand in the radial direction.
The insertion portion 33a is inserted into the hole 13a of the bottom wall portion 13 through the two friction force reducing members 9, 9. Then, on the base end face 13c side of the bottom wall portion 13, after the two friction force reducing members 9, 9 and the flat washer 46 are fitted on the insertion portion 33a, the insertion portion 33a is caulked, The state shown in FIG. As described with reference to FIG. 5, the piston shaft portion 33 is smoothly rotatable with respect to the outer cylindrical body 1.

Next, in FIG. 4, fishing bait (udon) U is put into the inside 7 of the cylindrical portion 2 </ b> A of the inner cylinder 2 from the base end side.
Then, the piston main body 30 of the piston 3 is inserted into the inside 7 of the cylindrical portion 2A of the inner cylindrical body 2 and is slid along the inner peripheral surface 23 while the male screw portion 22 of the inner cylindrical body 2 is moved to the outer cylinder. The screw 1 is screwed into the female thread portion 12 of the body 1 and is screwed into the outer cylindrical body 1 to obtain the state shown in FIGS.
When inserting the piston 3, the piston main body 30 can be smoothly inserted from the enlarged diameter portion 23 a of the cylindrical portion 2 </ b> A of the inner cylindrical body 2.

When the knurled portion 14 of the outer cylindrical body 1 and the knurled portion 24 of the inner cylindrical body 2 are gripped and the inner cylindrical body 2 is screwed into the outer cylindrical body 1, the piston 3 has the seal 32 inside. It slides on the inner peripheral surface 23 of the cylindrical portion 2A of the cylindrical body 2 and rotates together with the inner cylindrical body 2 to advance the inside 7 of the cylindrical portion 2A in the distal direction.
At this time, the fishing bait U is pushed by the tip end face 31 of the piston body 30 and is discharged from the nozzle hole 40 of the nozzle member 4.
When the fishing bait U is pushed by the piston body 30, the fishing bait U is smoothly guided into the hole 15 by the tapered portion of the proximal end surface 25 a of the short cylindrical portion 25.
The inner cylindrical body 2 can be screwed into the outer cylindrical body 1 until the distal end surface 31 of the piston main body 30 contacts the proximal end surface 25a.
When the fishing bait U has been discharged, the inner cylinder 2 is screwed out of the outer cylinder 1 and removed, and the nozzle member 4 is removed from the cap portion 2B of the inner cylinder 2. And the new fishing bait U is put into the inner cylinder 2 and used, or the inside 7 of the inner cylinder 2, the nozzle member 4, and the piston 3 are washed.

In addition, as shown in FIG. 8, the fishing bait pusher may be fixed to the side of the seat (fishing stand) 50 in the vertical direction.
5, 6, 7, and 8, reference numeral 52 denotes an attachment member for attaching the fishing bait pusher to a seat (fishing stand) 50.
The attachment member 52 is formed by bending a plate piece into an L shape, and includes an insertion portion 52a inserted into the slit 50a of the seat 50, an adhering portion 52b contacting the base end surface of the cover member 51, Consists of. The fixing portion 52b and the cover member 51 have holes into which screws or the like are inserted, and screws inserted into the respective holes are screwed into the female screw portions 17a of the fitting portions 17 of the outer cylinder 1. And fix.
Then, when the attachment member 52 is inserted into the slit 38a of the metal fitting 38 fixed to the side of the base (fishing base) 50, the fishing bait pusher has the nozzle member 4 facing upward and the base 50 Attached to.
The angler can take out the fishing bait U and take it in his hand by simply rotating the knurled portion 24 of the inner cylinder 2 with one hand while sitting down (holding the fishing rod in the other hand). it can. 5 to 7 may be fixed to the rootstock 37 or the like with a fixing tool 36 such as a round ring wood screw or the like in the elongated hole 39 of the mounting member 52 (see FIG. 8).
Further, if the attachment member 52 is not attached to the base end surface of the cover member 51, the base end surface of the cover member 51 can be placed on the fishing ground or the seat 50 and placed vertically.
As described above, the fishing bait can be arranged so as to be easily taken in accordance with the conditions of the fishing ground and the posture at the time of fishing.

As described above, the fishing bait pusher according to the present invention includes the bottomed outer cylinder 1 having the female screw portion 12 on the inner peripheral end surface 11 of the opening and the seal erected on the bottom wall portion 13 of the outer cylinder 1. A hole with a piston 3 with 32 and a male threaded portion 22 threadedly engaged with the female threaded portion 12 on the outer peripheral surface 21 so that it can be inserted into the outer cylinder 1 so as to be able to advance and retreat and discharge fishing bait U to the tip. The fishing rod storage inner cylinder 2 having a seal 32 of the piston 3 in contact with the inner peripheral surface 23, so that it has a compact size and shape so that it does not get in the way at the fishing spot. It can arrange | position so that fishing bait U can be easily taken according to the attitude | position at the time of fishing.
Moreover, since it is the structure which screws the inner cylinder 2 in the outer cylinder 1, it can rotate smoothly and can push out the fishing bait U, without requiring force.
Moreover, since it has a durable structure, even if it is used repeatedly, it does not deteriorate and can continue to be used with smooth rotation.
Further, since the fishing bait U is held in a sealed space formed by the inner peripheral surface 23 of the inner cylinder 2 and the tip end side of the piston 3, external air and light are difficult to enter and change for a long time. Can be prevented.

  Further, the piston 3 is configured to be rotatable with respect to the outer cylinder 1 so as to advance and retract while sliding along the inner peripheral surface 23 together with the inner cylinder 2 when the inner cylinder 2 is advanced and retracted. Therefore, the piston 3 can smoothly advance and retreat along the inner peripheral surface 23, and the inner cylinder 2 can be easily screwed to the outer cylinder 1.

The piston 3 has a piston main body 30 having a seal 32 and a piston shaft portion 33 integrally, and the piston shaft portion 33 is connected to the outer cylinder 1 via the frictional force reducing member 9. Since it is rotatably attached to the hole 13a of the bottom wall portion 13, the piston 3 is smooth and stable with respect to the outer cylindrical body 1 in spite of receiving a force toward the base end side. Can rotate.
Therefore, the inner cylinder 2 can be easily screwed to the outer cylinder 1 with a simple configuration.

  In addition, since the inner cylinder 2 has a cap portion 2B at the tip and a nozzle member 40 having a nozzle hole 40 having a different inner diameter D, the nozzle member 4 is attached to the cap portion 2B so as to be detachable and replaceable. The size of the inner diameter D of 40 can be easily changed, and a desired amount of fishing bait U can be easily discharged according to the type of fish to be fished and the conditions of the fishing ground.

It is a perspective view which shows one Embodiment of the fishing bait extruder which concerns on this invention. It is a partial cross section side view. It is a principal part sectional side view. It is a partial cross section principal part side view. It is a principal part sectional side view. It is a cross-sectional side view which shows the state which attaches another piston, Comprising: (a) is a decomposition | disassembly cross-section side view for description, (b) is a principal part cross-section side view. It is a principal part perspective view. It is a partial cross section side view which shows the state attached to the base.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Outer cylinder body 2 Inner cylinder body 2B Cap part 3 Piston 4 Nozzle member 9 Friction force reduction member
11 Opening edge
12 Female thread
13 Bottom wall
13a hole
15 holes
21 Outer surface
22 Male thread
23 Inner peripheral surface
30 Piston body
32 seals
33 Piston shaft
40 Nozzle hole D Inner diameter U Fishing bait

Claims (4)

  With a bottomed outer cylinder (1) having a female threaded part (12) on the inner peripheral end face (11) of the opening, and a seal (32) erected on the bottom wall (13) of the outer cylinder (1) The outer peripheral surface (21) has a piston (3) and a male screw portion (22) screwed into the female screw portion (12), and can be inserted into the outer cylinder (1) so as to be able to advance and retract. And a fishing bait storage inner cylinder (2) having a hole (15) for discharging fishing bait (U) at the tip, and the seal (32) of the piston (3) contacting the inner peripheral surface (23); A fishing bait pusher characterized by comprising:   The piston (3) is rotatable with respect to the outer cylinder (1), and rotates together with the inner cylinder (2) when the inner cylinder (2) is advanced and retracted. The fishing bait pusher according to claim 1, wherein the fishing bait pusher is configured to advance and retreat while sliding along the head.   The piston (3) has a piston body (30) having a seal (32) and a piston shaft portion (33) integrally, and the piston shaft portion (33) is a friction force reducing member. The fishing bait pusher according to claim 2, which is rotatably attached to the hole (13a) of the bottom wall (13) of the outer cylinder (1) via (9). The inner cylinder (2) has a cap portion (2B) at the tip, and a nozzle member (4) having a nozzle hole (40) having a different inner diameter (D), which is detachable and replaceable. The fishing bait pusher according to claim 1, 2 or 3, attached to the cap part (2B).

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