JP2006020928A - Fixing construction for net winder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fixing structure for a net winder by which the net winder is surely prevented from being deviated upward and the net winder can simply be fixed to a support post of a round shape and also a support post of a rectangular or other shape. <P>SOLUTION: A fixture tool 2 is welded and fixed to the support post 1, a fixing part 3 which can be fixed attachably and detachably to the fixture tool 2 is provided at the net winder A, and the fixing part 3 is fixed to the fixture tool 2 for fixing the net winder A to the support post 1. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a structure for fixing a net winding device to a support for stretching a net for tennis or volleyball, for example.

  Nets used for tennis and the like are stretched between pillars standing on both sides of the center of the court. In addition, a net winding device is provided on one of the struts, and a net is stretched between the two struts by winding the wire rope of the net with this net winding device. Yes.

  Moreover, as a conventional net winding device, generally, a type (for example, refer to Patent Document 1) that is internally mounted on a support and a type that is externally fixed to a support (for example, refer to Patent Document 2). There are two types, and the type that is externally fixed to the support column is provided with an arm for holding and fixing the support column on the side of the net winding device, and a fixing device part using a U-bolt. It is a structure that is fastened and fixed to the column by the device unit.

JP 2002-204844 A JP 2004-65656 A

  However, in the fixing structure of the net winding device of the type that is externally fixed to the support, if the tension due to winding is excessively increased when the net is stretched (the fixing fixing force of the fixing device portion by the arm or U bolt is increased). When the net tension is exceeded), the net winding device may be displaced upward along the support column and the net may be loosened.

  The present invention is for solving the conventional drawbacks of the type of net winding device that is externally fixed to such a support, and can reliably prevent the net winding device from being displaced upward, Further, the present invention provides an innovative net winding device fixing structure that can be easily fixed not only to a circular column but also to a column or other column.

  The gist of the present invention will be described with reference to the accompanying drawings.

  The fixture 2 is fixed to the support column 1, a fixing portion 3 that can be detachably fixed to the attachment device 2 is provided in the net winding device A, and the fixing portion 3 is fixed to the attachment device 2, whereby the support column 1. The net take-up device A is fixed to the net take-up device A, and the net take-up device is fixed.

  Further, by fixing the fixture 2 to the support column 1 by welding, and providing the fixing portion 3 detachably fixed to the fixture 2 in the net winding device A, the fixing portion 3 is fixed to the fixture 2. Further, the present invention relates to a fixing structure for a net winding device, characterized in that the net winding device A is fixed to the column 1.

  The net winding device fixing structure according to any one of claims 1 and 2, wherein the fixing portion 3 is configured to be detachably screwed and fixed to the fixture 2. Is.

  In addition, a hooking portion 4 for hooking the fixing portion 3 to the fixture 2 is provided on one or both of the fixing portion 3 and the fixture 2, and the fixing portion 3 is screwed to the fixture 2. A threaded portion 5 to be worn is provided on either one or both of the fixed portion 3 and the fixture 2, and the latching portion 4 is latched and the threaded portion 5 is threaded. 4. The net winding device fixing structure according to claim 1, wherein 3 is fixed to the fixture 2. 5.

  Further, the latching portion 4 that can be latched by slidingly inserting the latching piece 4B provided on the fixture 2 or the fixing portion 3 into the latch receiver 4A provided on the fixing portion 3 or the fixture 2 is provided. It is configured that the fixing portion 3 is fixed to the fixture 2 by screwing the screw portion 5 in a state where the fixing portion 3 is hooked to the fixture 2 by the hook portion 4. The net winding device fixing structure according to claim 4, wherein the net winding device is fixed.

  Further, the latch piece 4B provided on the fixture 2 or the fixing portion 3 is slid and inserted into the latch receiver 4A provided on the fixed portion 3 or the fixture 2 from below the latch receiver 4A. The latching portion 4B is configured so that the latching piece 4B slide-inserted into the latching receiver 4A is latched upward with respect to the latching receiver 4A. 6. The structure according to claim 4, wherein the fixing portion 3 is fixed to the fixture 2 by screwing the screw portion 5 in a state where the fixing portion 3 is hooked on the fixture 2. The net winding device according to any one of the preceding aspects relates to a fixing structure.

  Since the present invention is configured as described above, the fixture is firmly fixed to the column, so even if the tension of the net stretched between the columns by the winding of the net winding device is too high, The net take-up device fixed to the fixture via a fixing portion does not slide up with respect to the column, and the fixture is, for example, a column having a shape other than a general round column. It is also possible to adopt a structure that can be fixed even for the structure, so it is possible to design a structure that can fix the net winding device to any type of support, and it is also possible to use a net similar to the conventional structure. Since the take-up device can be removed from the column (attachment), it becomes a revolutionary net take-up device fixing structure that is extremely practical, such as convenient for storage.

  In addition, particularly in the invention according to claim 2, in addition to the above-mentioned action and effect, the fixture is firmly fixed to the support by welding so that the fixing structure in which the fixture does not slide up and move with respect to the support is simplified. Design can be realized, and by adopting this welding fixing structure, for example, it is possible to easily realize a structure that can be easily fixed to a pillar of any shape such as round shape, square shape, etc. This is an innovative net winding device fixing structure that is extremely practical.

  Further, in the invention described in claim 3, a more practical net winding device fixing structure having excellent detachability operability of the net winding device (fixing portion) with respect to the column (attachment) is provided.

  In the invention according to claim 4, the net winding device (fixing portion) can be fixed to the column (attachment) very firmly by the latching action of the latching portion and the screwing action of the screwing portion. In addition, the net winding device has a more practical structure for fixing the net winding device such that the net winding device can be easily attached to and detached from the column.

  Further, in the invention according to claim 5, the fixing structure of the net winding device having a structure more excellent in practicality in which the fixing operation of the net winding device (fixing portion) to the support column (mounting tool) is performed very easily. It becomes.

  Further, in the invention described in claim 6, the work of fixing the net winding device (fixing portion) to the support column (mounting tool) is very easily performed, and in addition, the fixing portion is in the hooked state by the hooking portion. Is prevented from coming off upward with respect to the fixture, so that even if the tension of the net tension is increased too much, the retaining action and the screwing action of the threaded portion against the force pulling the net winding device upward. The net winding device has a structure that has a more excellent practicality, such as exhibiting extremely strong resistance and reliably preventing the net winding device from rising.

  Embodiments of the present invention that are considered suitable (how to carry out the invention) will be briefly described with reference to the drawings, illustrating the operation of the present invention.

  The fixture 2 is fixed to the support column 1 (for example, fixed by welding).

  The net winding device A can be fixed to the column 1 by fixing the fixing portion 3 provided in the net winding device A to the fixture 2 fixed to the column 1.

  At least one column 1 to which the net winding device A is fixed is used, the net 6 is mounted between the two columns 1, and the wire rope 7 of the net 6 is wound by the net winding device A. A net 6 can be stretched between the support columns 1 of the two.

  At this time, since the fixture 2 is firmly fixed to the support column 1, even if the tension of the net 6 is excessively increased by the winding of the net winding device A, the fixture 2 is fixed to the fixture 2 via the fixing portion 3. The net winding device A thus made does not slide up with respect to the column 1.

  Further, the net winding device A can be removed from the support column 1 (mounting tool 2). For example, if the net winding device A is removed from the support column 1 when storing the support column 1, it is not bulky and convenient. Become.

  Moreover, as this kind of support | pillar 1, what exhibits a round shape is the mainstream, but in the case of the fixing structure of a net winding device like patent document 2 shown in the background art, for example in square support | pillars other than a round support | pillar. On the other hand, when trying to fix the net winding device, a square arm or a U-shaped bolt is required. That is, in the conventional fixing structure as disclosed in Patent Document 2, the net take-up device is fixed to a pillar having a shape other than a round shape unless an arm or bolt having a shape corresponding to the shape of the pillar is prepared separately. I can't. However, in the case of the present invention, by adopting a fixing structure such as welding as the fixing structure of the fixture 2, not only the circular column 1 and the rectangular column 1 but also any other type of column 1 is used. Can also be easily fixed. That is, by selecting the fixing structure of the fixture 2, it is possible to realize a structure that can fix the net winding device A regardless of the shape of the support column 1 to be used, which is very versatile.

  Further, for example, if the fixing portion 3 is structured to be detachably screwed and fixed to the fixture 2, the fixing portion 3 and the fixture 2 can be fixed and released by a screw attaching / detaching operation. The net winding device A has excellent detachability operability and becomes more practical.

  Further, for example, a hooking portion 4 for hooking the fixing portion 3 to the fixture 2 is provided on one or both of the fixing portion 3 and the fixture 2, and the fixing portion 3 is attached to the fixture 2. By providing a screwed portion 5 to be screwed to either one or both of the fixed portion 3 and the fixture 2, the hooked portion 4 is hooked and the screwed portion 5 is screwed. If the fixing portion 3 is fixed to the fixture 2, the fixing portion 3 (net winding device A) is fixed to the fixture 2 (support 1) very firmly by the latching portion 4 and the screwing portion 5. In addition, the net take-up device A can be attached to and detached from the support column 1 simply by performing the operation of engaging and disengaging the retaining portion 4 and the operation of engaging and disengaging the threaded portion 5. This attachment / detachment operation can be easily performed.

  Further, the latching portion 4 that can be latched by slidingly inserting the latching piece 4B provided on the fixture 2 or the fixing portion 3 into the latch receiver 4A provided on the fixing portion 3 or the fixture 2 is provided. If the fixing portion 3 is fixed to the fixture 2 by screwing the screw portion 5 in a state where the fixing portion 3 is hooked to the fixture 2 by the hook portion 4, Simply by slidingly inserting the latching piece 4B into the latch receiver 4A, the fixing part 3 can be brought into the latching state with respect to the fixture 2, and the fixing operation is completed simply by performing the screwing operation in this latching state. Therefore, the net winding device A is excellent in fixing workability with respect to the column 1.

  Further, for example, the latch piece 4B provided on the fixture 2 or the fixing portion 3 is slid and inserted into the latch receiver 4A provided on the fixed portion 3 or the fixture 2 from below the latch receiver 4A. The latching portion 4 that can be latched is configured, and the latching piece 4B that is slid and inserted into the latch receiver 4A is configured to be latched upward with respect to the latch receiver 4A. 4, if the fixing portion 3 is fixed to the fixture 2 by screwing the screw portion 5 in a state where the fixing portion 3 is hooked to the fixture 2, the hook piece 4 </ b> B is simply Since the fixing portion 3 can be hooked with respect to the fixture 2 simply by slidingly inserting it into the hook receiver 4A, and the fixing operation is completed simply by screwing in the hooked state. The gripping device A is excellent in fixing workability. Since the portion 3 is prevented from being detached upward with respect to the fixture 2, even if the tension of the net 6 is excessively increased, the retaining action and the screwing action of the screwing portion 5 cause the net winding device A to be removed. As a result, a very strong resistance force is exerted against the upward pulling force, and the net winding device A is prevented from being lifted up.

  Specific embodiments of the present invention will be described with reference to the drawings.

  In this embodiment, as shown in FIG. 1, a fixture 2 is fixed by welding to a column 1, and a fixing portion 3 that can be detachably fixed to the fixture 2 is provided in the net winding device A. The net take-up device A is fixed to the column 1 by fixing 3 to the fixture 2.

  Specifically, as shown in FIGS. 2 and 3, the fixture 2 employs a plate-like body having a rectangular frame shape, and projects the entire edge of the central square hole edge to the back side. Thus, the frame-shaped projecting piece 2A is used to be fixed to the support column 1 by welding.

  Moreover, as this kind of support | pillar 1, what has a round shape is the mainstream, but in this embodiment, as shown in FIG. 2, the fixture 2 is installed vertically on the curved side surface of the round support 1. The entire edge of the frame-shaped projecting piece 2A is formed in a shape corresponding to the side surface of the round column 1 so that it can abut in a state (a state in which the length direction of the fixture 2 is the vertical direction). That is, the entire edge of the frame-shaped protruding piece 2A is configured to be welded and fixed to the curved side surface of the round column 1. Reference numeral 10 in the figure denotes a welded portion.

  Moreover, the fixture 2 of a present Example is comprised so that it can fix also to the square support | pillar 1 by welding.

  Specifically, as shown in FIG. 2, the upper frame piece portion 20 of the frame-shaped protruding piece 2 </ b> A is extended on both sides so as to occupy the full width of the fixture 2. Each end portion of the extending portion 20A on both sides is formed as a flat edge portion, and the flat edge portions on both ends are configured to be welded and fixed to the flat side surface of the square column 1 (see FIG. 6, see FIG.

  The fixing portion 3 that can be detachably fixed to the fixture 2 is provided on the side surface portion on the back side of the net winding device A.

  The fixing structure of the fixture 2 and the fixing portion 3 is provided with a hooking portion 4 for hooking the fixing portion 3 to the fixture 2 on either one or both of the fixing portion 3 and the fixture 2, and the fixing portion. 3 is attached to either or both of the fixing portion 3 and the fixture 2 so that the latch portion 4 is latched and the screw portion 5 is screwed. By doing so, the fixing portion 3 is fixed to the fixture 2.

  The latch part 4 will be described in both the fixing part 3 and the fixture 2.

  More specifically, while both side plate surfaces of the fixture 2 located on the left and right outside of the frame-shaped projecting piece 2A are used as latching receivers 4A, on the left and right parts of the fixing part 3 on the back part of the net winding device A, A latching piece 4B is integrally formed by projecting a latching piece 4B that latches the left and right latching receivers 4A on the back side plate surface of the latching receiver 4A in a superposed state so as to embrace from both outer sides. Yes.

  That is, since the fixture 2 is configured to weld and fix the frame-shaped protruding piece 2A protruding to the back side to the support 1 as described above, the latch receiver 4A of the fixture 2 fixed by welding, and the support A gap 9 is formed between one side surface and the other side surface. In the present embodiment, the latching piece 4B is disposed in the left and right gaps 9 to constitute a latching part that can latch the latching piece 4B on the latch receiver 4A in a superposed state.

  Further, the latching portion 4 is configured to be in a latched state by slidingly inserting the left and right latching pieces 4B into the gap 9 on the back side of the left and right latching receivers 4A.

  Also, since the extended portions 20A on both sides of the upper frame piece portion 20 exist above the gap portion 9 formed on the back side of the left and right latching receivers 4A, The latch piece 4B cannot be inserted into the gap 9 on the back side of the latch receiver 4A, and the latch piece 4B is slid into the gap 9 only from below the gap 9 (from below the fixture 2). The configuration can be made.

  Further, when the latching portion 4 is in the latched state, the upper edge portion of the latching piece 4B that is slid upward on the extending portions 20A on both sides of the upper frame piece portion 20 is locked, thereby allowing the upper limit of the slide. Thus, the fixing portion 3 is configured to be hooked upward in a state of being prevented from coming off with respect to the fixture 2.

  Further, the screwing part 5 will be described in both the fixing part 3 and the fixture 2.

  More specifically, a screw hole 5A is formed in the lower portion of the fixture 2, and a butterfly screw that is screwed into the screw hole 5A in a state where the hook portion 4 is hooked and the hook piece 4B reaches the upper limit of the slide. 5B is provided in the lower part of the fixed part 3 so that it can freely rotate, and the screwing part 5 is comprised.

  That is, a configuration in which the fixing portion 3 (net winding device A) can be fixed to the fixture 2 (post 1) by screwing the butterfly screw 5B into the screw hole 5A in a hooked state by the hooking portion 4. It is said.

  Therefore, in the present embodiment, the fixing portion 3 (net winding device A) is firmly fixed to the fixture 2 (post 1) by the hooking action by the hooking portion 4 and the screwing action by the screwing portion 5. It is said.

  Further, fixing the fixing portion 3 to the fixture 2 simply means that the latch piece 4B is slid and inserted into the latch receiver 4A (the back side gap portion 9), and the butterfly screw 5B is inserted into the screw hole 5A. Since it can be done by simply screwing it in, it is very easy to fix.

  In this way, the net 6 is stretched by using the support 1 to which the net winding device A is fixed (see FIG. 5). In the fixed state of the net winding device A, for example, the net winding device A Even when the tension of the net 6 stretched between the two struts 1 is excessively increased due to the winding, the screwing by the screwing portion 5 against the force that the net winding device A is pulled upward. Since the action and the stopper action due to the upper edge portion of the hooking piece 4B coming into contact with and engaging with the extending portions 20A on both sides of the upper frame piece portion 2A are strongly resisted, the fixture 2 as in the conventional structure. On the other hand, the fixing portion 3 (net winding device A) does not slide upward, and the fixture 2 is firmly fixed to the support column 1 by welding. Configuration that does not slide upward with respect to the column 1 It is.

  Further, the net winding device A fixed to the support column 1 loosens the butterfly screw 5B and unscrews it from the screw hole 5A, and slides the fixing part 3 downward with respect to the fixture 2 to hang the retaining piece 4B. It can be easily detached from the column 1 by hanging from the stopper 4A.

  Reference numeral 8 in the figure denotes a handle that is detachably provided on the net winding device A.

  Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.

  For example, in the present embodiment, the configuration in which the fixture 2 is fixed to the support column 1 by welding is shown. However, the fixture 2 may be fixed to the support column 1 by screws, or other fixing structures may be used. good.

It is a perspective view which shows the use condition (fixed state of a net winding device) of a present Example. It is a disassembled perspective view of the (round) support | pillar and attachment tool of a present Example. It is a disassembled perspective view of the (round) support | pillar to which the fixture of a present Example was fixed by welding, and a net winding device. It is the top view which notched a part which shows the use condition (fixed state of a net winding device) of a present Example. It is a notch explanatory drawing which shows the completion state of the net | network of a present Example. It is a disassembled perspective view of the square support | pillar which welded and fixed the fixture of the present Example, and a net winding device. It is the top view which notched a part which shows the use condition (fixed state of a net winding device) to the square support | pillar of a present Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Support | pillar 2 Attaching tool 3 Fixing part 4 Hanging part 4A Hanging receiving 4B Hanging piece 5 Screwing part A Net winding device

Claims (6)

  Fix the fixture to the column, provide the net winder with a fixing part that can be detachably fixed to the fixture, and fix the net winder to the column by fixing the fixing unit to the bracket. A structure for fixing a net winding device characterized by having a structure.   Fix the fixture to the support by welding, and provide a fixed part on the net take-up device that can be detachably fixed to this fix, and fix the fixed part to the fix to fix the net take-up device to the support. A structure for fixing a net winding device, characterized in that   The net winding device fixing structure according to any one of claims 1 and 2, wherein the fixing portion is configured to be detachably screwed to the fixture.   A hooking portion for hooking the fixing portion to the fixture is provided on one or both of the fixing portion and the fixture, and a screwed portion for screwing the fixing portion to the fixture is fixed to the fixing portion. It is provided in either one or both of the mounting tool and the mounting tool, and the fixing part is fixed to the mounting tool by hooking the locking part and screwing the screwing part. The fixing structure of the net winding device according to any one of claims 1 to 3.   The latching piece that can be latched by slidingly inserting the latching piece provided on the fixture or the fixing part into the latching receiver provided on the fixing part or the fixture is configured and attached by this latching part. The fixing structure for a net winding device according to claim 4, wherein the fixing portion is fixed to the fixture by screwing the screwing portion in a state where the fixing portion is hooked to the fixture. . The latching part which can be latched by slidingly inserting the latching piece provided on the fixture or the fixing part into the latching receiver provided on the fixing part or the fixture from below the latching receiver is configured. At the same time, the latch piece slide-inserted into the latch receiver is configured to be latched upward with respect to the latch receiver, and the screw is fixed with the fixing portion being latched by the latch portion. The fixing structure for a net winding device according to any one of claims 4 and 5, wherein the fixing portion is fixed to the fixture by screwing the attachment portion.

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