JP4408364B2 - Tamami - Google Patents

Description

  The present invention relates to a ball net used for fishing.

The ball net used for fishing (fishing) has a structure with one end of the handle attached to a net with a bag-like net attached to the net frame. Conventionally, there has been known a design in which a handle and a net part are detachable so that a compact form can be obtained when a ball net is not used (see Patent Documents 1 to 4).
The ball net disclosed in Patent Document 1 is configured such that the net part and the handle are detachable by screwing a male screw provided in a connecting part of the net frame and a female screw provided in the handle.

  15 and 16 show a ball net disclosed in Patent Document 2, and this ball net 1 is provided with a net portion 7 and a handle 9 each having a net 3 attached to a net frame 5 at a connecting portion of the net portion 7. The first connector 11 and the second connector 13 provided at the connection end of the handle 9 are screwed and connected to the first connector 11 and the second connector 13, respectively, with a screw shaft 15 and a screw hole. 17, and a lock nut 19 that is screwed into the screw shaft 15 to fix the second connector 13 so as not to rotate is disposed between the connectors 11 and 13.

The screw shaft 15 includes a connection screw portion 21 to be screwed into the screw hole 17 and a lock screw portion 23 having a larger diameter than the connection screw portion 21, and the screw pitch of the lock screw portion 23 is the connection screw portion. The lock nut 19 is screwed into the lock screw portion 23 so as to be smaller than the screw pitch of 21.
Further, as shown in FIG. 17, the ball net disclosed in Patent Document 3 is a cylindrical internal member in which a lock body 29 is housed in a lock body housing portion 27 that is attached to the tip of a handle 25 and is formed through the inner and outer peripheries. 31 and a coil spring 33 urged by a coil spring 33 in the original direction of the handle 25 to be slidably mounted, and the press surface 35 and the engagement release recess 37 toward the original direction of the handle 25 on the inner periphery. And an annular engagement groove 43 that is attached to the mesh frame 41 so as to be inserted into the inner peripheral hole of the cylindrical inner member 31 and engages and disengages the lock body 29 on the outer peripheral surface. A net frame attaching / detaching device 49 for the ball net 47 is constituted by the male joint 45 having the structure, and the insertion shaft 51 of the male joint 45 is slid while sliding the cylindrical operation member 39 in the direction of the arrow against the spring force of the coil spring 33. Is inserted into the cylindrical inner member 31, Amiwaku 43 is adapted to attach to 25.

In order to remove the net frame 41 from the handle 25, the cylindrical operating member 39 is slid against the spring force of the coil spring 33, and the insertion shaft 51 is pulled out of the cylindrical inner member 31.
Further, in the conventional example disclosed in Patent Document 4, a frame fixture 61 attached to a mesh frame 59 of the mesh portion 57 is inserted into a flat insertion hole 55 provided on the distal end surface of the handle 53 as shown in FIGS. The frame fixing tool 61 is closely fitted into the flat insertion hole 55 by a drawing mechanism 63 provided on the handle 53 and the frame fixing tool 61. The drawing mechanism 63 is shown in FIG. As shown in FIG. 22, the cam 53 is provided on the handle 53 so that the inner surface thereof is an eccentric cam surface 65, and a part of the cam plate 69 has a concave portion 67 opened to the side. The mating chamber 71 allows the plate 69 to enter, and the projection 73 projects from the center of the mating chamber 71 and can slide on the cam surface 65 of the cam plate 69.

In order to attach the net 57 to the handle 53, the cam plate 69 is inserted into the fitting chamber 71, and the frame fixture 61 is fitted into the flat insertion hole 55, and the operation groove 75 of the cam plate 69 as shown in FIG. The cam plate 69 may be rotated 180 ° with the coin 77 engaged with the cam plate 69. By rotating the cam plate 69 in this manner, the protrusion 73 moves to the back of the cam surface 65, and the frame fixture 61 is flattened. The net portion 57 is attached to the handle 53 by being drawn into the insertion hole 55. Then, the net 57 may be removed by rotating the cam plate 69 by 180 degrees in the reverse direction with the coin 77.
Japanese Utility Model Publication No. 54-112793 Japanese Utility Model Publication No. 7-42607 JP 2000-350356 A Japanese Utility Model Publication No. 6-57163

However, the conventional example disclosed in Patent Document 1 is troublesome in attaching and detaching the mesh portion and the handle because it has to be screwed or loosened by turning the handle and mesh portion many times. There was a fault that the screw was easy to loosen inside.
Further, in the conventional example of FIG. 15, although the looseness is reduced by using the lock nut 19, the operation is troublesome because the attachment / detachment operation is performed by rotating the screw many times as in the conventional example.

On the other hand, in the conventional example shown in FIG. 17, for example, when pulling the ball net 47 inserted between the belt and the body by grasping the handle 9 with one hand when taking the bag, A problem has been pointed out that unlocks by touching.
In the conventional example shown in FIG. 18 and subsequent figures, as described above, while the projection 73 is moved to the back of the cam surface 65, the frame fixing member 61 is drawn to the flat insertion hole 55 and the net 57 is connected to the handle 53. Due to the structure, there was a problem that rattling was likely to occur during use.

  The present invention has been devised in view of such circumstances, and an object of the present invention is to provide a ball net that can quickly attach and detach the net portion and the handle, and that is free from looseness and looseness of the connected net portion and handle. .

In order to achieve such an object, the invention according to claim 1 is directed to a ball net that can be attached to and detached from a handle and a mesh portion having a mesh portion attached to a mesh frame. A notch groove that is formed in the attachment / detachment direction of the handle and is opened at the tip of the protrusion. An engagement hole communicating with this is provided, and a shaft portion that can be inserted into the engagement hole via the notch groove is rotatably attached between the peripheral walls of the fitting hole , and the cut portion is attached to the shaft portion. An engaging portion is provided which can be inserted into the notch groove and which can be engaged with the engaging hole by the rotation operation of the shaft portion and cannot be taken out from the notch groove.

The invention according to claim 2 is the ball net according to claim 1, wherein at least one end of the shaft portion is exposed to the outside of the peripheral wall of the fitting hole , and the rotation operation portion of the shaft portion is connected to the one end. Is provided.

  According to the first aspect of the present invention, when the handle and the mesh portion are attached, the engaging portion of the shaft portion is fitted to the engaging hole simply by fitting the protrusion into the fitting hole and rotating the shaft portion. The handle and mesh are connected without looseness and looseness, and even if the handle and mesh are removed, the handle and mesh can be separated by simply rotating the shaft. As in the conventional example, the handle and the net can be quickly attached and detached without turning the handle and the mesh by turning the screw many times, and the protrusion is fitted into the fitting hole and engaged. By engaging the engaging portion of the shaft portion with the hole, there is an advantage that the connected net portion and the handle are not loosened or loose.

  According to the second aspect of the present invention, the rotation operation portion exposed to the outside can easily perform the rotation operation of the shaft portion. As a result, there is an advantage that the handle and the net portion can be easily attached and detached.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 to FIG. 12 show a first embodiment of a ball net according to claims 1 and 2. In FIG. 1, reference numeral 81 denotes a net 83 having a handle 83 and a net 87 attached to a net frame 85. However, as shown in FIG. 2, the connecting portion 93 is formed in a substantially Y shape in plan view using resin as a material, and is connected to each other through connecting portions 91 and 93 that are attached to each other. Left and right end portions (not shown) of the mesh frame 85 are inserted into the arm portions 93a and 93b extending left and right along the frame 85.

In addition, a block-like protrusion 95 is integrally protruded from the end of the base portion 93 c of the connecting portion 93 in the attaching / detaching direction of the handle 83.
As shown in FIGS. 8 and 9, the protrusion 95 is formed in a flat shape in which the upper and lower surfaces are arc-shaped and the left and right surfaces are parallel to each other so as to coincide with a fitting hole 97 on the connecting portion 91 side described later. When the projection 95 is fitted in the fitting hole 97, the circumferential rotation is prevented and the connecting portion is not rattled. 2 and 4, the protrusion 95 is formed with a uniform width in the attaching / detaching direction of the handle 83, and a notch groove 99 that equally divides the tip of the protrusion 95 into two parts. An engagement hole 101 having a C-shape in plan view is provided.

On the other hand, the connecting portion 91 that attaches to the handle 83 is formed into a hollow cylindrical shape using a resin like the handle 83, and the rear end side small-diameter portion of the connecting portion 91 is inserted into the opening at the tip of the handle 83. The connecting portion 91 is attached to the handle 83 in a flush manner.
As shown in FIG. 1, the rear end side of the handle 83 is formed in a substantially bow shape, and is tapered so that the handle 83 can be easily inserted between a belt (not shown) and the trunk of the fisherman.

As described above, the fitting hole 97 into which the protrusion 95 can be fitted is provided at the tip of the connecting portion 91 along the outer shape of the protruding portion 95 in the axial direction of the connecting portion 91. A shaft portion 103 that can be inserted into the notch groove 99 and the engagement hole 101 is rotatably attached between the peripheral walls of the fitting hole 97.
As shown in FIGS. 3 and 6, the shaft portion 103 has left and right parallel disk-shaped flange portions 109, which are rotatably attached to circular support holes 105 and 107 provided to face the peripheral wall of the connecting portion 91. 111 and a shaft main body 113 integrally formed between both flange portions 109, 111. The shaft portion 103 is entirely formed of metal or resin. As shown in FIGS. 6 and 12, the flange portions 109 and 111 project into circular recesses 115 and 117 provided on the outer periphery of the connecting portion 91 around the support holes 105 and 107, respectively. A retaining member (C ring) 119 is engaged with the portion 109 to prevent the shaft portion 103 from falling off.

The surface of the other flange portion 111 exposed to the outside is provided with a slit 121 as a rotation operation portion of the shaft portion 103, and a coin is engaged with the slit 121 to rotate the shaft portion 103. It is supposed to let you.
Thus, as shown in FIGS. 5, 8, and 9, the shaft main body 113 has a flat cross section with a thickness (thickness m in FIGS. 5 and 6) that can be inserted through the notch groove 99. Although it has a shape, as shown in FIG. 8, the shaft body 113 is formed with a width (width n in the figure) having the same dimension as the diameter of the engagement hole 101, and both side surfaces in the width direction are engaged. It is formed in an arc shape that coincides with the inner peripheral surface of the joint hole 101.

  4 and 5, the slit 121 is provided along the width direction of the shaft body 113, and the shaft body 113 is inserted into the notch groove 99 and the engagement hole 101 as shown in FIG. Then, as shown in FIGS. 10 and 11, when a coin is engaged with the slit 121 and the shaft portion 103 is rotated by approximately 90 °, the shaft main body 113 is engaged with the engagement hole 101 and the notch groove is formed. 99 is configured to function as an engaging portion that cannot be removed.

Instead of the shape of the shaft portion 103 (shaft body 113), for example, the shaft body between the flange portions 109 and 111 is formed into a round bar that can be inserted into the notch groove 99 and the engagement hole 101. An engagement piece (engagement portion) having the same shape as the cross-sectional shape of the shaft main body 113 may be attached.
In addition, in FIG. 4, reference numeral 123 denotes a rubber packing provided around the protrusion 95.
Since the present embodiment is configured as described above, when the ball net 81 is not used when moving to a fishing spot or during storage, the handle 83 and the net portion 89 should be separated as in the conventional case. Good.

In order to use the ball net 81, first, as shown in FIG. 4 to FIG. 6, the shaft 121 is inserted into the notch groove 99 of the protrusion 95 with the slit 121 along the attaching direction of the handle 83. After that, as shown in FIGS. 7 to 9, the protrusion 95 may be inserted and fitted into the fitting hole 97, and the shaft main body 113 is inserted through the notch groove 99 in the engagement hole 101. Placed in.
Then, after that, as shown in FIGS. 10 to 12, when the coin is engaged with the slit 121 and the shaft portion 103 is rotated by approximately 90 °, the shaft main body 113 is prevented from coming off. And the mesh portion 89 and the handle 83 are integrally connected via the connecting portions 91 and 93. At this time, the protrusion 95 is fitted into the fitting hole 97, and the shaft main body 113 is formed with the same width as the diameter of the engagement hole 101 as described above. It firmly engages with the inner periphery of the engagement hole 101 to prevent backlash and loosening of the connecting portion. The shaft portion 103 is supported by the peripheral wall of the fitting hole 97 so as to cross the inside of the fitting hole 97, and the shaft main body 113 inserted through the engaging hole 101 penetrates the protrusion 95 so as to cross. Since the engagement hole 101 is engaged, backlash and loosening of the connecting portion are prevented.

Further, to remove the net 89 from the handle 83 after use, the coin is engaged with the slit 121 from the state shown in FIG. 10, and the shaft 103 is rotated by approximately 90 ° to operate as shown in FIGS. Then, the engagement state between the shaft main body 113 and the engagement hole 101 is released, and the mesh portion 89 becomes removable from the handle 83. Therefore, the protrusion 95 may be pulled out from the fitting hole 97.
As described above, according to the present embodiment, when attaching the handle 83 and the net portion 89, the handle 83 is simply fitted to the fitting hole 97 and the shaft portion 103 is rotated about 90 ° with a coin. The net part 89 is connected without looseness and looseness, and even if the handle 83 and the net part 89 are removed, the handle 83 and the net part 89 can be separated simply by rotating the shaft part 103 by approximately 90 ° with a coin. Since this is possible, it is not necessary to rotate the screw many times as in the conventional examples of Patent Documents 1 and 2 described above, so that the handle 83 and the mesh portion 89 are not attached and detached. As a result, it is possible to provide a ball net without loosening or looseness of the net part 89 and the handle 83 connected as compared with the cited references 1 to 4.

In addition, since the slit 121 is exposed to the outside, the shaft portion 103 can be easily rotated, and as a result, the handle 83 and the net portion 89 can be easily attached and detached.
13 and 14 show a shaft portion used in the ball net according to the second embodiment of claims 1 and 2, and the shaft portion 103-1 of this embodiment is a flange as compared with the flange portion 111 described above. The portion 111-1 is made thick and protrudes outward from the connecting portion 91 from the recess 117, and a non-slip groove 125 is formed on the outer periphery of the flange portion 111-1. The portion 111-1 is used as a knob for turning the shaft portion 103-1 so that the turning operation of the shaft portion 103-1 can be easily performed.

In addition, since the other structure is the same as that of said 1st embodiment, the same code | symbol is attached | subjected to the same thing and those description is abbreviate | omitted.
Thus, according to the present embodiment, it is possible to achieve the intended purpose as in the first embodiment, and according to the present embodiment, the flange portion can be obtained without preparing a coin. The net part 89 and the handle 83 can be easily attached by directly picking 111-1 and rotating it.

It is a whole perspective view of the ball net which concerns on 1st embodiment of Claim 1 and Claim 2. It is a perspective view of the connection part of a net | network part and a handle | pattern. It is a perspective view of a shaft part. It is a front view of the connection part (a state where the net part and the handle are separated) of the net part and the handle. FIG. 5 is a cross-sectional view of FIG. 4. It is the VI-VI sectional view taken on the line of FIG. It is a front view of the connection part of a net | network part and a handle | pattern (the state which the net | network part and the handle | pattern connected). It is sectional drawing of FIG. It is the IX-IX sectional view taken on the line of FIG. It is a front view of the connection part of a net | network part and a handle | pattern (The state which the net | network part and the handle | pattern connected, and the axial main body of the axial part engaged with the engagement hole). It is sectional drawing of FIG. It is the XII-XII sectional view taken on the line of FIG. It is a perspective view of the axial part used for the ball net which concerns on 2nd embodiment of Claim 1 and Claim 2. It is sectional drawing of the connection part which a shaft part attaches. It is a decomposition | disassembly front view of the connection part of the net part and handle | pattern of the conventional ball net. It is a front view of the pattern of the ball net with which the net part was connected. It is sectional drawing of the connection part of the net part and handle | pattern of the conventional ball net. It is a perspective view of the connection part of the net part and handle of the conventional ball net. It is explanatory drawing of the connection method of the net part and handle | pattern of the conventional ball net. It is explanatory drawing of the connection method of the net part and handle | pattern of the conventional ball net. It is a perspective view of a cam board. It is a perspective view of a cam board.

Explanation of symbols

81 Ball net 83 Pattern 85 Net frame 87 Net 89 Net part 91, 93 Connection part 95 Projection part 97 Fit hole 99 Notch groove 101 Engagement hole 103, 103-1 Shaft part 105, 107 Support hole 109, 111, 111 -1 Flange portion 113 Shaft body 115, 117 Recess 119 Detachment member 121 Slit 123 Packing

Claims (2)

In the ball net that the handle and the net part with the net attached to the net frame are removable,
A protrusion is formed in one of the mesh portion and the handle, and a fitting hole into which the protrusion can be fitted is formed in the other connection portion,
The protrusion is provided with a notch groove formed in the handle attaching / detaching direction and opened at the tip of the protrusion and an engagement hole communicating with the notch groove,
Between the peripheral walls of the fitting hole , a shaft portion that can be inserted into the engagement hole via the notch groove is rotatably attached,
A ball net provided with an engaging portion that can be inserted into the notch groove and that cannot be taken out of the notch groove by engaging with the engaging hole by rotating the shaft portion. . The ball net according to claim 1, wherein at least one end of the shaft portion is exposed to the outside of the peripheral wall of the fitting hole , and a rotation operation portion of the shaft portion is provided at the one end.