JP2016138692A - Portable type restraining net spread device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable type restraining net spread device keeping a flying performance of the restraining net and improving a work efficiency at the time of its manufacturing.SOLUTION: The portable type restraining net spread device comprises: a restraining net 20 attached with a plurality of weights 21; a container comprising a weight storing part in which a plurality of weights are stored, and a net storing part having an opening where the restraining net is stored; a covering member for covering the restraining net stored in the net storing part from at least a side part of the restraining net to an outer peripheral edge of the opening; and a lid member 33 covering the restraining net stored in the net storing part and the plurality of weights stored in the weight storing part, separated from the container when the plurality of weights are ejected upon receiving pressure of gas as combustible substances are ignited so as to expose the opening of the net storing part.SELECTED DRAWING: Figure 4

Description

  In order to prevent the criminal act of a criminal suspect who is trying to cause harm to others artificially, or to delay the escape time at the time of escape, The present invention relates to a portable restraint net deployment device for restraining / capturing.

  A restraint net fitted with a plurality of weights is housed in the main body of the device, and when the switch provided on the main body of the device is turned ON, the weight is ejected by the gas generated by the operation of the gas generator provided inside the main body of the device. In addition, there is provided a portable restraint net deployment device that deploys a restraint net stored in a storage room toward a crime suspect in accordance with the ejection of a weight (see Patent Document 1). In addition to the restraint net and weight, when a cartridge containing a gas generator is mounted on the apparatus main body and the switch provided on the apparatus main body is turned on, the gas generator provided inside the cartridge is activated. There is also provided a cartridge-replaceable portable restraint net deploying device that unfolds the restraint net by ejecting a weight with the generated gas (see Patent Document 2).

  The portable restraint net deployment device described above is manufactured through the following process. First, after storing the restraint net in the device main unit or cartridge storage unit, the weight is stored in the device main unit or cartridge weight storage unit with the jig held so that the stored restraint net does not protrude from the storage unit. To do. After the weight is stored in the apparatus main body and the weight storage section of the cartridge, the jig is removed, and the storage section of the apparatus main body and the cartridge main body is covered with a lid.

Japanese Patent No. 5364349 Japanese Patent No. 5101174

  However, when the jig is removed, the influence of the pressing force by the jig disappears, and the restraint net protrudes from the opening portion of the storage portion due to the reaction force against the pressing force. Therefore, when the lid is attached to the apparatus main body or the cartridge main body, a part of the restraint net that protrudes from the opening of the storage portion is likely to be sandwiched between the lid and the apparatus main body or the cartridge main body. If the portable restraint net deployment device is operated in a state where the lid is sandwiched between the device main body and the cartridge main body, the restraint net may be caught on the device or the lid, and the flight performance of the restraint net may be reduced. Therefore, in attaching the lid to the apparatus main body or the cartridge main body, it is necessary to pay close attention so that a part of the restraint net does not get caught in the gap between the lid and the apparatus main body or the cartridge main body. Further, it is necessary to inspect whether or not a part of the restraint net is in a state of being sandwiched in a gap between the lid and the apparatus main body or the cartridge main body. As described above, the work of attaching the lid to the apparatus main body or the cartridge main body has a drawback that its workability and work efficiency are poor.

  The present invention has been made to meet such a demand, and it is an object of the present invention to provide a portable restraint net deployment device that maintains the flight performance of the restraint net and improves the work efficiency during manufacture.

  The portable restraint net deployment device of the present invention comprises a restraint net with a plurality of weights attached thereto, a weight housing part for housing the plurality of weights, and a net housing part having an opening for housing the restraint net. A container having a covering member that covers at least a side of the restraining net from the side of the restraining net to an outer peripheral edge of the opening, and the restraining net accommodated in the net accommodating part. Covering the plurality of weights housed in the weight housing portion and receiving the pressure of gas generated by the combustion of the flammable substance and separating the container from the container when the plurality of weights are ejected. And a lid member that exposes the opening of the part.

  The portable restraint net deployment device of the present invention includes a restraint net provided with a plurality of weights, the plurality of weights and the restraint nets, and the plurality of weights and the restraint nets are generated by the pressure of the generated gas. A restraint net ejecting portion that ejects, a gas generator that is provided in the restraint net ejecting portion and generates gas by combustion of a combustible substance, a switch that is turned on when the gas generator is operated, and the switch is on A gripping portion having a power supply member that supplies power to the gas generator when the gas generator becomes, the restraint net ejection portion includes a weight housing portion in which the plurality of weights are housed, and the restraint A container having a mesh housing portion having an opening for housing a mesh; and a covering member that covers the restraint mesh housed in the mesh housing portion from at least a side portion of the restraint mesh to an outer peripheral edge portion of the opening. And stored in the mesh storage unit Further, the storage net and the plurality of weights stored in the weight storage unit are covered, and when the plurality of weights are ejected under the pressure of the gas, the storage net is separated from the container and the net storage unit And a lid member that exposes the opening.

  In this case, it is preferable to have a connecting member that connects the restraint net ejection part and the grip part. In addition to this, the restraint net ejection part is detachable from the grip part, and the gas generator is electrically connected to the power supply member when the restraint net ejection part is attached to the grip part. It is preferable to be connected.

  Further, the covering member is a cylindrical sheet material whose both ends in the axial direction are opened, and the covering member has one end edge in the width direction along an inner peripheral surface of the net storage portion, and The other end edge in the width direction is disposed so as to extend from the mesh storage portion, and after the restraining net is stored in the mesh storage portion, the other end edge in the width direction is restrained. It is folded toward the net.

  Further, the covering member is a bag-like sheet material having one end closed, and the covering member is inserted into the mesh storage portion so that an opening portion extends from the mesh storage portion to the outside, and the restraint After the net is stored in the net storage unit, one end edge protruding from the net storage unit is folded toward the restraint net.

  In this case, the restraining net has a pull string connected to the container, the covering member has an insertion hole in a closed portion of the covering member, and the pull string is an insertion hole provided in the covering member. It is preferable to connect the said restraining net | network and the said container after being penetrated by.

  The covering member is formed by processing a sheet material made of polyethylene.

  Further, the covering member is formed by processing a sheet material having a thickness of 0.08 mm or less.

  ADVANTAGE OF THE INVENTION According to this invention, the flight performance of a restraint net | network can be maintained and the working efficiency at the time of manufacture can be improved.

It is a perspective view which shows the carrying type | mold restraint net | network expansion | deployment apparatus which concerns on one Embodiment of this invention. It is a perspective view which decomposes | disassembles and shows the portable restraint net | network expansion | deployment apparatus of FIG. It is sectional drawing in the portable restraint net | network expansion | deployment apparatus of FIG. It is a figure which shows the flow of an operation | work at the time of accommodating a storage net | network in a container. It is a graph showing the flight trajectory of the weight in the conventional portable storage network expansion | deployment apparatus, and the flight locus | trajectory of the weight in the portable storage network expansion | deployment apparatus each using the sleeve from which a material differs. It is a graph showing the flight trajectory of the weight in the conventional portable storage net | network expansion | deployment apparatus, and the flight trajectory of the weight in the portable storage net | network expansion | deployment apparatus each made from HDPE and using several sleeves from which thickness differs. It is a graph showing the flight locus | trajectory of the weight in the conventional portable storage network expansion | deployment apparatus, and the flight locus | trajectory of the weight in the portable storage network expansion | deployment apparatus each using the sleeve made from LLDPE which differs in thickness. It is a figure which shows an example of the bag-shaped sleeve by which one end was opened. It is a figure which shows an example in the case of storing a restraint net | network using a disk shaped sheet | seat other than a cylindrical sleeve. (A) is a portable restraint net deploying device with a cartridge attached, and (b) is a diagram showing the carrying side restraint net deploying device when the cartridge is removed from the apparatus main body.

  Hereinafter, the present invention will be described based on embodiments shown in the drawings. In the following embodiment, the portable restraint net deploying apparatus 10 that does not connect the restraint net 20 and the container 30 will be described. However, the present invention is also applied to a portable restraint net deploying apparatus that connects the restraint net 20 and the container 30 with a pull string. The invention can be applied.

  1 to 3 show an embodiment of a portable restraint network deployment device 10 according to the present invention. The portable restraint net deploying apparatus 10 includes a restraint net ejection unit 25 that ejects a plurality of weights 21 attached to the restraint net 20 with the pressure of the generated gas and causes the restraint net 20 to fly, and a user manually The holding part 26 to hold | maintain and the fixed cup 27 which connects the restraint net | network ejection part 25 and the holding part 26 are comprised. Hereinafter, a case where eight weights 21 are attached to the restraining net 20 will be described.

  The restraint net ejection part 25 includes a restraint net 20 in which eight weights 21 are attached by string members 22, a container 30 that houses the restraint net 20 and the weight 21, and a sleeve 31 that covers an opening portion of the container 30; A gas generator 32 that ejects the weight 21 stored in the container 30 with the pressure of the generated gas to fly while expanding the restraint net 20, and a lid 33 that covers the opening of the container 30.

  Although illustration is omitted, the restraint net 20 is made of, for example, polyester, Kevlar, or polyethylene. The outer shape of the restraint net 20 is a 4 m × 4 m square or a 4 m × 3 m rectangle. In addition, the external shape of the restraint net | network 20 does not need to be limited to square or a rectangle, For example, polygons, such as an octagon, may be sufficient. As for the mesh width of the restraint net 20, about half of the total development area may be formed by 20 cm square from the vicinity of the center portion, and the other half may be formed by 10 cm square. In addition, with respect to the mesh width, the inner mesh and the outer mesh may be formed uniformly from the central portion over the entire development area. Eight weights 21 are attached to the outer peripheral portion of the restraint net 20 via string members 22. Here, the position where the string member 22 attached to the weight 21 is attached to the restraint net 20 includes, for example, the vertexes and the centers of the sides when the restraint net 20 is a square or a rectangle. Moreover, when the restraint net | network 20 is made into an octagon, each vertex of an octagon is mentioned.

  The string member 22 is made of polyester, for example, and has a diameter of φ = 0.7 mm. The weight 21 is, for example, a stainless steel cylindrical shape having a total length of 28 mm and an outer diameter of 11 mm. The weight 21 is covered with a weight cover 21a made of a rubber material to ensure safety when it collides with a human body or an object.

  The container 30 is fixed with screws in a state where two members formed of a synthetic resin material such as ABS resin or POM resin are overlapped. Hereinafter, the two members are referred to as a first component member and a second component member. Further, the first component member will be described with reference numeral 35 and the second component member with reference symbol 36. The first component member 35 has a substantially funnel shape. The first component member 35 has a semicircular channel 37 that branches in eight directions at equal intervals on the inner peripheral surface. Further, the first component member 35 has a plurality of groove portions 38 on the outer peripheral surface into which the tip portions of the tongue pieces 33b of the lid 33 are inserted.

  The 2nd component member 36 is the substantially funnel shape which spreads toward the other end side from the one end side where the 1st component member 35 is attached. The other end side of the second component member 36 is opened, and an internal space connected to the opening serves as a net storage portion in which the restraint net 20 is stored. A plurality of recesses 40 are provided on the outer peripheral surface of the second component member 36. The recess 40 is connected to a groove 38 provided on the outer peripheral surface of the first component member 35, and the tongue piece 33 b of the lid 33 enters when the lid 33 is attached to the container 30. The outer peripheral surface of the second component member 36 has a semicircular channel 41 extending from the plurality of recesses 40 to one end side to which the first component member 35 is attached. In addition, the number of the flow paths 37 which the 1st structural member 35 has, and the number of the flow paths which the 2nd structural member has are set, for example to eight.

  In the first component member 35 and the second component member 36, the semicircular channel 37 provided in the first component member 35 and the semicircular channel 41 provided in the second component member 36 coincide with each other. In addition, the first component member 35 and the second component member 36 are screwed and fixed in a state where the first component member 35 and the second component member 36 are fitted together. When the first component member 35 and the second component member 36 are fixed with screws, eight gas flow paths and a weight storage portion connected to the gas flow paths are formed in the container 30. The eight gas flow paths are passages branched from the cylindrical portion 35 a of the first component member 35.

  The sleeve 31 is obtained by processing a belt-like sheet into a cylindrical shape having both ends opened in the axial direction. The specifications of the sleeve 31 (material, sheet thickness used for the sleeve, etc.) will be described later. The sleeve 31 prevents the restraint net 20 housed inside the second component member 36 from protruding from the opening portion of the second component member 36. One end edge of the sleeve 31 in the width direction is inserted into the second component member 36 along the inner peripheral surface of the second component member 36. Further, the other end edge of the sleeve 31 in the width direction extends from the opening of the second component member 36 to the outside. The other edge portion in the width direction of the sleeve 31 is folded toward the restraining net 20 accommodated in the second constituent member 36 after the restraining net 20 is accommodated in the second constituent member 36. When the other end side in the width direction of the sleeve 31 is folded, the folded sleeve 31 excludes the central portion where the string member 22 for attaching the weight 22 to the restraint net 20 is located in the opening portion of the second component member 36. Cover the area.

  Although not described in detail, the sleeve 31 has marks and lines that serve as a guide when inserted into the second component member 36. By having these marks and lines, the amount of insertion when the sleeve 31 is inserted into the second component member 36 can be made constant.

  The gas generator 32 is attached to the cylindrical portion 35 a of the first component member 35. The gas generator 32 generates high heat and a large amount of gas by burning the loaded gas generating agent. Reference numeral 43 denotes a molded filter that cools and filters the generated gas. The molded filter 43 is mounted inside the cylindrical portion 35 a of the first component member 35. Here, reference numeral 44 denotes a lead wire, and reference numeral 45 denotes a connector provided at one end of the lead wire 44.

  As the gas generating agent loaded in the gas generator 32, for example, a low vibration / low noise crushing chemical gunsizer (trade name, manufactured by Nippon Koki Co., Ltd.) is used. The gas generating agent is a non-explosive crushing composition that crushes rocks and the like without requiring a consumption permit in the same procedure as the crushing method using explosives. The gas generator 32 is filled with a gas generating agent having the following configuration in a range of 0.1 g to 1.1 g. As the gas generating agent, a sieved product having 24 Tyler mesh passing and 42 Tyler mesh stopping is used. That is, the gas generating agent has a particle size adjusted to a range of 0.35 mm to 0.71 mm. The gas generating agent described above has a maximum pressure of about 25 MPa when burned in a 10 cc pressure tank.

  The gas generating agent is produced by the following procedure. For example, a thermite agent composed of 11.5 parts by weight of aluminum and 38.5 parts by weight of cupric oxide, a gas generating agent composed of 50 parts by weight of potassium alum or ammonium alum, and a vinyl chloride powder 1.5 previously melted in acetone. Put a binder consisting of parts by weight in the same container, add an appropriate amount of acetone and mix well. When acetone is almost volatilized and solidified, granulate with an 8-mesh sieve and dry. After drying, 2.5 parts by weight of calcium stearate as a blunting agent and an appropriate amount of acetone are added and mixed slowly, and when acetone is vaporized and solidified, it is granulated and dried.

  The lid 33 is attached to the container 30 so as to prevent the restraint net 20 and the weight 21 housed in the second component member 36 from falling off and to easily fall off when the restraint net 20 is caused to fly. The lid 33 is made of an elastic rubber material. The lid 33 has a substantially disc-shaped lid body 33a and eight tongue pieces 33b protruding from the side of the lid body 33a. The tongue piece 33b has a hole 47 into which a protrusion 46 provided in the concave portion 40 of the second component member 36 is fitted at the root portion.

  Next, the grip part 26 will be described. The grip portion 26 is provided at one end of the main body member 50 in the axial direction, in addition to the cylindrical main body member 50 having an opening with a part of the outer peripheral surface cut off, the cover 51 that shields the opening, and the grip cover 52. A grip end 53 and an end cap 54 are attached.

  The main body member 50 is inserted with the cylindrical portion 35a of the first component member 35 to which the gas generator 32 is attached on one end side in the axial direction. Further, the main body member 50 houses the ejection circuit board 55 and the switch 56.

  The ejection circuit board 55 is configured such that a connector 58 provided on a lead wire 57 connected to a circuit (ejection circuit) on the board is fitted to a connector 45 provided on the lead wire 44 of the gas generator 32 to generate gas. It is electrically connected to the device 32. The ejection circuit board 55 includes a battery 59 that serves as a power source for the gas generator 32, a fuse for avoiding battery heat generation when the ejection circuit is short-circuited, a capacitor that absorbs slight electromagnetic waves, and the like. Here, the battery 59 is a battery having a low self-discharge rate, such as a lithium battery.

  Although not shown in detail, the switch 56 has an insulating box-shaped container. Inside the box-shaped container, there are two fixed terminals, a movable terminal movable between a first position connected to one of the two fixed terminals and a second position connected to the two fixed terminals. And a spring member that urges the movable terminal from the first position toward the second position, and a switch button that protrudes from the upper surface of the box-shaped container when the movable terminal is positioned at the second position. That is, the switch 56 is turned off when the movable terminal is in the first position, and is turned on when the movable terminal is in the second position.

  The main body member 50 is provided with an insertion hole through which the switch plate 61 is inserted at the end opposite to the one end to which the cylindrical portion 35a of the first component member 35 is attached. When the carrying-side restraint net deployment device 10 is a product, a guide path for the switch plate 61 is formed by the insertion hole provided in the main body member 50 and the gap between the lower surface of the cover 51 and the upper surface of the switch 56.

  For example, when the switch plate 61 is inserted through the guide path, the switch button provided on the switch 56 is stored inside the box-shaped container, and the button head is held in contact with the switch plate 61. That is, the switch 56 is turned off. On the other hand, when the switch plate 61 is pulled out from the guide path, the switch button protrudes from the box-shaped container. That is, the switch 56 is turned on. Here, when the switch 56 is turned on, the trigger member 62 made of a ball chain attached to one end of the switch plate 61 is pulled, and the switch plate 61 is pulled out from the guide path. Although the ball chain is taken up as the trigger member 62, a chemical fiber may be used as long as it has strength.

  The grip cover 52 is an elastic body such as an elastomer. The grip cover 52 has a cylindrical shape. The flip cover 52 is attached to the outer peripheral portion of the main body member 50 to which the cover 51 is fixed with screws. The outer peripheral surface of the grip cover 52 has an uneven shape, and has a function of preventing slipping when the user grips it. In addition, the grip cover 52 has a function of covering a gap generated between the opening portion of the main body member 50 and the cover 51 and preventing water from entering the inside of the main body member 50.

  The grip end 53 is provided on one end side of the main body member 50. The grip end 53 has a function of preventing the hand gripping the grip portion 26 from slipping when the trigger member 62 is pulled, in addition to the function of positioning the grip cover 52 and preventing displacement. The grip end 53 has a threaded portion on the inner peripheral surface, and is screwed with a threaded portion provided on the outer peripheral surface of one end portion of the main body member 50.

  The end cap 54 is provided to prevent the trigger member 62 from being exposed to the outside. The end cap 54 has a threaded portion on the inner peripheral surface, and is screwed into a threaded portion provided on the outer peripheral surface of the grip end 53. The end cap 54 is formed of a transparent synthetic resin material so that light hits the switch plate 61 during storage.

  The fixed cup 27 is a member that connects the restraint net ejection part 25 and the grip part 26. When the fix cup 27 is inserted into the gripping portion 26, the fix cup 27 is positioned so as not to rotate with respect to the gripping portion 26. The fix cup 27 positioned on the gripping portion 26 is fixed to the restraint net ejection portion 25 using screws 65. When the fixed cup 27 is screwed and fixed to the restraining net ejecting portion 25, the annular bulging portion 50a for retaining to be provided at one end of the main body member 50 is connected to the retaining piece 27a provided inside the fixed cup 27 and the storage net. It is clamped between the container 30 (specifically, the first component member 35) of the ejection part 25. Reference numeral 66 denotes a seal that covers the head of the screw 65.

  Next, the manufacture of the portable restraint net deployment device 10 will be described. First, the restraint net ejection part 25 is manufactured. The container 30 is manufactured by screwing and fixing the first component member 35 and the second component member 36 after positioning them. In the manufactured container 30, the opening part of the 2nd structural member 36 is exposed. The sleeve 31 is inserted into the inside of the opening of the second component member 36 of the container 30 and then held in a state along the inner peripheral surface of the second component member 36. Then, the other end side in the width direction of the sleeve 31 extending to the outside from the opening portion of the second component member 36 is folded back so as to be located outside the outer peripheral surface of the second component member 36 (FIG. 4A). )reference).

  The folded restraint net 20 is housed inside from the opening portion of the second component member 36. Thereafter, the restraining net 20 is pushed into the second component member 36 by the jig 70 (see FIG. 4B).

  The weights 21 attached to the restraint net 20 are held by jigs 70, respectively. In a state where the restraint net 20 is pushed into the second component member 36 by the jig 70, the folded portion of the sleeve 31 is returned to the original state. After the jig 70 is moved upward, the string members for attaching the weight 21 to the restraint net 20 are collected. A portion of the sleeve 31 extending from the second component member 36 to the outside is folded to the second component member 36 side (see FIG. 4C).

  One end portion in the width direction of the sleeve 31 inserted into the second component member 36 is sandwiched between the restraining net 20 pushed into the second component member 36 and the inner peripheral surface of the second component member 36. Therefore, when the portion of the sleeve 31 that extends from the second component member 36 to the outside is folded to the second component member 36 side, the sleeve 31 is prevented from coming out of the second component member 36. Further, the portion of the sleeve 31 extending from the second component member 36 to the outside is folded to the second component member 36 side, so that the restraining net 20 housed inside the second row member 36 has the second configuration. Protruding from the member is prevented.

  After the sleeve 31 is folded to the second component member 36 side, the weight 21 is removed from the jig 70 and stored in the weight storage portion of the container 30. Finally, the lid 33 is attached to the container 30 (see FIG. 4D). When the lid 33 is attached to the container 30, the tip of the tongue piece 33b of the lid 33 is inserted into the insertion groove 38 of the first component member 35, and the second component member 36 is inserted into the hole 47 provided in the tongue piece 33b. A protrusion 46 provided in the recess 40 is fitted. Finally, the O-ring 72 is attached to the cylindrical portion 35 a of the first component member 35. Here, the O-ring 72 has a sealing function such as waterproofing by being sandwiched between the gripping portion 26 and the restraining net ejection portion 25 and filling the gap between the gripping portion 26 and the restraint net ejection portion 25.

  The ejection circuit board 55 is attached to the main body member 50 together with the switch 56. Thereafter, the switch plate 61 is attached to the main body member 50. Note that the switch 56 is turned off by attaching the switch plate 61 to the main body member 50.

  The fix cup 27 is attached to the main body member 50. After the fix cup 27 is attached to the main body member 50, the connector 45 of the lead wire 44 provided in the gas generator 32 of the restraint net ejection portion 25 is inserted from one end side in the axial direction of the main body member 50. The fix cup 27 is fixed to the restraint net ejection part 25 with screws.

  The connector 45 of the lead wire 44 provided in the gas generator 32 is fitted to the connector 58 of the lead wire 57 of the connector of the ejection circuit board 55. After the lead wire 44 is folded, the cover 51 is fixed to the opening of the main body member 50 with screws. A grip cover 52 is attached to the main body member 50. A grip end 53 is attached to the end of the main body member 50 opposite to the end to which the restraint net ejection portion is attached. Finally, the end cap 54 is attached to the grip end 53.

  The portable restraint network deployment device 10 of the present invention is used in the following procedure.

  First, the end cap 54 is removed from the grip end 53. When the end cap 54 is removed, the trigger member 62 is exposed. The user grips the grip portion 26 with one hand and points the restraint net ejection portion 25 toward the suspected crime. Then, the trigger member 62 is pulled with the other hand, and the switch plate 61 is pulled out. When the switch plate 61 is pulled out, the switch 56 is turned on, and electricity is supplied to the gas generator 32. Accordingly, the gas generator 32 is activated. When the gas generator 32 is activated, the gas generating agent filled in the gas generator 32 is combusted. When the gas generating agent burns, gas is generated. The rupture disc is crushed due to the high heat and gas pressure increase associated with the generation of gas. The generated gas passes through the shaping filter 43 and flows into the gas flow path. The weight 21 is ejected by the gas pressure of the gas flowing into the gas flow path, and the lid 33 is removed from the container. When the lid is removed by the ejection of the weight 21, the weight 21 is ejected. The weight 21 is attached to the restraint net 20 by a string member 22. The restraint net 20 flies by the ejection of the weight 21. At this time, the folded portion of the sleeve 31 is pressed and opened by the restraining net 20 that is ejected. In the state where the weights 21 are stored in the container 30, the central axes of the eight weights 21 stored in the weight storage part are inclined at a predetermined angle with respect to the central axis of the gripping part 26. Yes. Accordingly, the eight ejected weights 21 fly while spreading radially with respect to the central axis of the grip portion 26. Therefore, the restraint net 20 that flies together with the eight weights 21 flies while being deployed.

  When the switch plate 61 is pulled out, the switch button enters the guide path, so that the switch plate 61 is prevented from entering the guide path, and misuse of used products is prevented.

  Next, the specification of the sleeve 31 will be described. Examples of the specifications of the sleeve 31 include the material of the sleeve 31 and the thickness of the sleeve 31. The specification of the sleeve 31 used in the portable restraint net deployment device is based on a test for verifying the flying performance of the weight.

  As a test, in addition to a portable restraint net deploying apparatus (hereinafter referred to as a conventional portable restraint net deploying apparatus) that contains a restraint net without using a sleeve, a portable restraint net that contains a restraint net using a sleeve. A deployment device (hereinafter referred to as a portable restraint network deployment device using a sleeve) is used. Here, as the material of the sleeve, for example, three kinds of materials such as high density polyethylene (HDPE) and linear polyethylene (LLDPE) and nylon are used.

The test was conducted under the following conditions.
1) A portable restraint net deployment device is installed on a table with a height of 1.3 m at an installation angle of 6 °.
2) Place the mannequin at a position 3.7m away from the fixed base.
3) Analyze the flight trajectory of the weight until the restraint net hits the mannequin 3.7 m away when the portable restraint net deployment device is operated. In addition, the flight trajectory of the weight that has risen highest among the eight weights and the flight trajectory of the weight that has risen the lowest are used as the flight trajectories of the weights.

  FIG. 5 is a graph showing the flight trajectory of the weight when the verification test is performed. In FIG. 5, curves 71 and 72 indicated by solid lines connecting the sign “◯” indicate the flight trajectory of the weight in the conventional portable restraint net deployment device. Curves 73 and 74 indicated by dotted lines connecting the symbol “Δ” indicate the flight trajectory of the weight in the portable restraint net deployment device using the HDPE sleeve. Curves 75 and 76 indicated by a two-dot chain line connecting the symbol “□” indicate the flight trajectory of the weight in the portable restraint net deployment device using the LLDPE sleeve. Finally, curves 77 and 78 indicated by alternate long and short dash lines connecting the symbol “▲” indicate the flight trajectory of the weight in the portable restraint net deployment device using a nylon sleeve.

  The flying trajectory of the weight in the portable restraint net deployment device using the HDPE sleeve and the portable restraint net deployment device using the LLDPE sleeve is equivalent to the flight trajectory of the weight in the conventional portable restraint net deployment device. It has the flying performance. On the other hand, the flight trajectory of the weight in the portable restraint net deploying device using the nylon sleeve resulted in inferior flight performance compared to the weight trajectory in the conventional portable restraint net deploying device. Nylon sleeve is the reason why the flight trajectory of a weight in a portable restraint net deployment device using a nylon sleeve is inferior to the flight trajectory of a weight in a portable restraint net deployment device using another sleeve Is harder than HDPE sleeves and LLDPE sleeves. In other words, in the nylon sleeve, the resistance of the sleeve when flying while the restraint net is deployed is larger than that of the HDPE sleeve or LLDPE sleeve, and the energy when the weight is flying is reduced. It is done. Accordingly, it is possible to obtain a result that it is preferable to use a sleeve made of HDPE or a sleeve made of LLDPE rather than a sleeve made of nylon.

  Next, a test for verifying the flying performance of the weight will be described for the sleeve specifications. In this test, a sheet having a circumferential length of 170 mm and a width length of 100 mm is used as the sleeve. In addition, the sheet thickness is set to four types of 0.01 mm, 0.04 mm, 0.08 mm, and 0.1 mm. As the sleeve, an HDPE sleeve and an LLDPE sleeve are used.

  FIG. 6 is a diagram showing a flight trajectory of a weight when an HDPE sleeve is used. In FIG. 6, curves 81 and 82 indicated by solid lines connecting the symbols “◯” indicate the flight trajectory of the weight in the conventional portable restraint net deployment device. Curves 83 and 84 indicated by dotted lines connecting the symbol “Δ” indicate the flight trajectory of the weight in the portable restraint net deployment device using a sleeve having a thickness of 0.01 mm. Curves 85 and 86 indicated by alternate long and short dash lines connecting the symbols “□” indicate the flight trajectory of the weight in the portable restraint net deployment device using a sleeve having a thickness of 0.04 mm. Curves 87 and 88 indicated by a two-dot chain line connecting the symbols “▲” indicate the flight trajectory of the weight in the portable restraint net deployment device using a sleeve having a thickness of 0.08 mm. Finally, the curves 89 and 90 indicated by solid lines connecting the reference numeral “■” indicate the flight trajectory of the weight in the portable restraint net deploying apparatus using the sleeve having a thickness of 0.10 mm.

  The flying trajectory of the weight in the portable restraint net deploying device using the sleeves having the thicknesses of 0.01 mm, 0.04 mm and 0.08 mm has the same flight performance as that of the weight in the conventional portable restraint net deploying device. Have. On the other hand, the flight trajectory of the weight in the portable restraint net deploying device using the sleeve having a thickness of 0.10 mm resulted in a flight performance inferior to the flight trajectory of the weight in the conventional portable restraint net deploying device. As a cause that the flight trajectory of the weight in the portable restraint net deployment device using the sleeve of thickness 0.10 mm is inferior to the flight trajectory of the weight in the portable restraint net deployment device using the sleeve of other thickness, As the thickness of the sheet itself increases, the sleeve becomes harder, and the resistance of the sleeve when flying while the restraint net is deployed increases. Therefore, a result that it is preferable to use a sleeve having a thickness of less than 0.10 mm is obtained.

  FIG. 7 is a diagram showing a flight trajectory of a weight when an LLDPE sleeve is used. In the figure, curved lines 91 and 92 indicated by solid lines connecting the symbol “◯” indicate the flight trajectory of the weight in the conventional portable restraint net deployment device. Curves 93 and 94 indicated by dotted lines connecting the reference symbol “Δ” indicate the flight trajectory of the weight in the portable restraint net deployment device using a sleeve having a thickness of 0.01 mm. Curves 95 and 96 indicated by alternate long and short dash lines connecting the symbols “□” indicate the flight trajectory of the weight in the portable restraint net deployment device using the sleeve having a thickness of 0.04 mm. Curves 97 and 98 indicated by a two-dot chain line connecting the symbols “」 ”indicate the flight trajectory of the weight in the portable restraint net deploying apparatus using the sleeve having a thickness of 0.08 mm. Finally, curves 99 and 100 indicated by solid lines connecting the reference numeral “■” indicate the flight trajectory of the weight in the portable restraint net deployment device using a sleeve having a thickness of 0.10 mm.

  When the LLDPE sleeve is used, as in the case of using the HDPE sleeve, the flight trajectory of the weight in the portable restraint net deployment device using the sleeves having the thicknesses of 0.01 mm, 0.04 mm and 0.08 mm is Each has the same flight performance as that of the weight trajectory in the conventional portable restraint net deployment device. On the other hand, the flight trajectory of the weight in the portable restraint net deploying device using the sleeve having a thickness of 0.10 mm resulted in a flight performance inferior to the flight trajectory of the weight in the conventional portable restraint net deploying device. As a cause that the flight trajectory of the weight in the portable restraint net deployment device using the sleeve of thickness 0.10 mm is inferior to the flight trajectory of the weight in the portable restraint net deployment device using the sleeve of other thickness, As the thickness of the sheet itself increases, the sleeve becomes harder, and the resistance of the sleeve when flying while the restraint net is deployed increases. Therefore, even when an LLDPE sleeve is used, the result is that it is preferable to use a sleeve having a thickness of less than 0.10 mm, as in the case of using an HDPE sleeve.

  Therefore, in the case where the sleeve is used when the restraint net is stored in the restraint net ejecting portion of the portable restraint net developing device, it has been obtained that HDPE and LLDPE sheets are preferably used as the sleeve material. Moreover, the result that it was preferable to use the sheet | seat of 0.08 mm or less as the thickness of the sheet | seat used for a sleeve was obtained.

  In this embodiment, a test for measuring the flying performance of a weight is performed in a portable restraint net deployment device that houses a restraint net using HDPE, LLDPE, and nylon sleeves. However, in addition to using HDPE and LLDPE as the material of the sleeve, it is also possible to use a thin paper, a wrap film such as polyvinyl chloride or polyvinylidene chloride.

  In the present embodiment, the restraint net 20 is prevented from protruding from the opening portion of the second component member 36 by using a sleeve 31 obtained by processing a belt-like sheet into a cylindrical shape. However, the shape of the sleeve is not limited to a cylindrical shape. That is, if the restraint net 20 is prevented from protruding from the opening portion of the second component member 36 when the portable restraint net deployment device 10 is manufactured, and the restraint net 20 can be deployed and fly when the restraint net 20 is ejected. Good. As an example, as shown in FIG. 8, a bag-like sleeve 105 having one end opened may be used. Here, among the portable restraint net deployment devices, there is also a portable restraint mesh deployment device that connects the restraint mesh and the container with a pull string. Therefore, in the case where the bag-shaped sleeve 105 is used in a portable restraint net developing device that connects the restraint net and the container with a tension string, an insertion hole 105a through which the tension string is inserted may be provided.

  Further, as shown in the present embodiment, when the sleeve 31 obtained by processing a belt-like sheet into a cylindrical shape is used, when the sleeve 31 is folded depending on the length of the sleeve 31 protruding from the second component member 36, the second configuration It is also assumed that only the outer peripheral portion of the opening portion of the member 36 is covered. Even in such a case, the vicinity of the outer peripheral portion of the second component member 36 is covered by the folded sleeve. Therefore, when the lid 33 is attached to the container 35, a part of the restraining net 20 is covered with the lid 33 and the container. Protruding from between 30 is prevented. However, if the area shielded by the folded sleeve 31 is small, the folded sleeve 31 may return to its original state due to the restraining net 20 that tries to protrude from the opening of the second component member 36. . As a result, when the lid 33 is attached, the covering by the sleeve 31 is released, and a part of the restraint net 20 protrudes from the container 30. In order to eliminate such an event, it is also possible to place a disc-shaped sheet 106 on the folded sleeve 31 and attach the lid 33 to the container 30.

  In this embodiment, a sleeve obtained by processing a belt-like sheet into a cylindrical shape is provided separately from the second component member. However, a sleeve obtained by processing a belt-like sheet into a cylindrical shape and the second component member are integrally formed. May be.

  In the present embodiment, the restraint net ejection unit 25, a gripping part 26 held by a user, and a fixed cup 27 that connects the restraint net ejection part 25 and the gripping part 26 are integrally provided. However, the present invention can also be applied to a cartridge of the cartridge-replaceable portable restraint net deployment device 10, for example. Note that a cartridge-replaceable portable restraint net deployment device is disclosed in, for example, Japanese Patent No. 5101174. As shown in FIGS. 10A and 10B, the cartridge-replaceable portable restraint net deployment device 110 includes a cartridge 111 and a device main body 112 to which the cartridge 111 is mounted. The cartridge 111 includes a container 113 that stores a restraint net and a weight, a lid 114 that covers an opening of the container 113, a gas generator, a cup 115, and the like. On the other hand, the apparatus main body 112 has a mounting portion 116 to which the cartridge 111 is mounted and a gripping portion 117, and an ejection circuit board is provided inside. In the case of the cartridge-replaceable portable restraint net deployment device 110, when the cartridge 111 is mounted on the apparatus main body 112, the connection terminal provided on the mounting portion 115 and the connection terminal exposed to the container of the cartridge 111 come into contact with each other. The gas generator and the ejection circuit board are electrically connected. Reference numeral 118 denotes a switch unit that operates the portable restraint net deployment device 110. Note that the switch unit 118 has a configuration in which a switch button provided inside is covered with a cover, and by providing the cover, an erroneous operation of the switch button provided inside is prevented.

  DESCRIPTION OF SYMBOLS 10,110 ... Portable restraint net deployment apparatus, 20 ... Restraint net, 21 ... Weight, 25 ... Restraint net ejection part, 26 ... Grasping part, 27 ... Fix cup, 31, 105 ... Sleeve, 32 ... Gas generator, 33 …lid

Claims (9)

A restraint net with a plurality of weights attached thereto;
A container having a weight storage portion for storing the plurality of weights, and a net storage portion having an opening for storing the restraint net;
A covering member that covers the restraint net housed in the mesh housing portion from at least a side portion of the restraint mesh to an outer peripheral edge portion of the opening;
The restraint net housed in the mesh housing part and the plurality of weights housed in the weight housing part are covered, and the plurality of weights are ejected in response to the pressure of the gas generated by the combustion of the combustible substance. A lid member that separates from the container when exposed and exposes the opening of the mesh storage unit;
A portable restraint network deployment device characterized by comprising: A restraint net with a plurality of weights attached thereto;
A plurality of weights and the restraint net are housed, and a restraint net ejection portion that ejects the plurality of weights and the restraint net by the pressure of the generated gas;
A gas generator that is provided in the restraint net ejection part and generates gas by combustion of a combustible substance;
A grip that includes a switch that is turned on when the gas generator is operated and a power supply member that supplies power to the gas generator when the switch is turned on;
Have
The restraint net ejection part is
A container having a weight storage portion for storing the plurality of weights, and a net storage portion having an opening for storing the restraint net;
A covering member that covers the restraint net housed in the mesh housing portion from at least a side portion of the restraint mesh to an outer peripheral edge portion of the opening;
The storage net stored in the net storage unit and the plurality of weights stored in the weight storage unit are covered, and separated from the container when the plurality of weights are ejected under the pressure of the gas. A lid member that exposes the opening of the net storage unit,
A portable restraint network deployment device characterized by comprising: The portable restraint network deployment device according to claim 2,
A portable restraint net deployment device comprising a connecting member that couples the restraint net ejection part and the grip part. The portable restraint network deployment device according to claim 2,
The restraint net ejection part is detachable from the grip part,
The gas generator is electrically connected to the power supply member when the restraint net ejection part is attached to the grip part. In the carrying type | mold restraint network expansion | deployment apparatus of any one of Claims 1-4,
The covering member is a cylindrical sheet material having both axial ends opened.
The covering member is arranged such that one end edge in the width direction extends along the inner peripheral surface of the net storage part, and the other end edge in the width direction extends outside from the net storage part, After the restraint net is accommodated in the mesh accommodation part, the other end edge in the width direction is folded toward the restraint net. In the carrying type | mold restraint network expansion | deployment apparatus of any one of Claims 1-4,
The covering member is a bag-like sheet material whose one end is closed,
The covering member is inserted into the mesh storage portion such that an opening portion extends outward from the mesh storage portion, and protrudes from the mesh storage portion after the restraint net is stored in the mesh storage portion. A portable restraint net deployment device, wherein one end edge portion is folded toward the restraint net. The portable restraint net deployment device according to claim 6,
The restraint net has a pull string connected to the container,
The covering member has an insertion hole in a closed portion of the covering member,
The pulling string is inserted into an insertion hole provided in the covering member, and then connected to the restraining net and the container. In the carrying type | mold restraint net | network expansion | deployment apparatus of any one of Claims 5-7,
The portable restraint net deployment device, wherein the covering member is formed by processing a sheet material made of polyethylene. In the carrying type | mold restraint net | network expansion | deployment apparatus of any one of Claims 5-8,
The carrying-type restraint net deployment device, wherein the covering member is formed by processing a sheet material having a thickness of 0.08 mm or less.

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