JP5661391B2 - Security device - Google Patents

Description

  The present invention relates to a security device.

  Conventionally, various countermeasures have been taken against taxi robbers who attack taxi drivers aiming at sales of taxis. For example, a countermeasure is often used in which a transparent reinforced resin screen is provided behind the backrest of the driver's seat to isolate the driver's seat from the rear seat. According to this, the attack by the robber from the back seat side to the driver can be suppressed.

  However, since it is necessary for the driver to exchange the fare etc. with the passenger sitting in the rear seat, it is difficult to partition the interior of the vehicle into the driver seat side and the rear seat side by the above screen. . For this reason, the above-described countermeasures using the screen may cause the driver to be attacked by a robber through a portion that is not partitioned by the screen, which is a concern in terms of safety.

  Therefore, in recent years, various security devices have been proposed in order to ensure further safety against taxi robbery. For example, Patent Document 1 discloses a technology in which a paint spraying device is installed on a ceiling portion in a vehicle and a fluorescent paint or an odor paint is sprayed on a robber. According to this, since the robber can be threatened by the spraying of the paint, an effect of dissipating the robber from the inside of the vehicle can be expected.

  Patent Document 2 discloses a technology in which an airbag device is installed on the back of the backrest of the driver's seat and the airbag is inflated rearward when a burglar attacks the driver from the rear seat. Yes. According to this, since the airbag can be interposed between the driver and the robber and the robber can be pushed backward (squeezed) by the inflated airbag, Effectively deters robber attacks. Therefore, this technology can be an effective deterrent against attacks by taxi robbery.

  In Patent Document 2, when the above-described airbag device is further installed on the customer side of a counter installed in a store, a suspicious person approaches the counter and commits a crime against a store clerk. A configuration for inflating an airbag toward a suspicious person is also described. In this case, a suspicious person's crime can be hesitant by pushing a suspicious person with an airbag. Moreover, since an airbag can be interposed between a suspicious person and a salesclerk, it can suppress that a suspicious person gets over a counter and attacks a salesclerk. Therefore, the present technology is also effective in suppressing criminal acts in stores.

Utility Model Registration No. 3082546 Utility Model Registration No. 3149728

  By the way, it is considered that a person who attempts a criminal act such as taxi robbery or store robbery often possesses a knife or other blade. Here, for example, when a taxi robber who possesses a knife is compressed by the expansion of the bag by the airbag device in the vehicle and cannot move, the airbag can be ruptured with a blade and the bag can be contracted. In this case, the air bag wall that was interposed between the driver and the robber will no longer exist, and the robber will be freed from the pressure of the air bag and will be able to move freely. There is a risk of harm from the side. Therefore, the above technique still has a problem in suppressing criminal acts such as burglars who possess blades.

  Further, in order to increase the crime prevention effect by the airbag device, it is desirable to make the outer shape of the airbag as large as possible when it is inflated. However, even if the outer shape of the airbag is enlarged, if the airbag is pressed by a burglar or the like, it is assumed that the gas in the bag is pushed by the pressing and the airbag is deformed such as being crushed. . For this reason, it is considered difficult to increase the deterrence against criminal acts simply by increasing the outer shape of the airbag.

  This invention is made | formed in view of the said situation, and makes it a main objective to provide the crime prevention apparatus which can improve a crime prevention effect.

  In order to solve the above-mentioned problem, the crime prevention device of the first invention is accommodated in a folded state in the accommodation member, and expands in a predetermined direction from the accommodation member toward the attack target by supplying gas therein. And a gas supply means for supplying a gas to the bag body in order to inflate the bag body, the inside of the bag body being divided into a plurality of or a plurality of the bag bodies By providing, a plurality of chambers are formed, and the gas supply means supplies gas to each of the chambers.

  The crime prevention device of the present invention expands a bag body toward an attack target such as a burglar by supplying gas to the bag body. For example, when a taxi robber appears when installed in a taxi car, The bag can be inflated toward the robber. In this case, a criminal act by the robber can be suppressed by pressing the robber with a bag.

  In the present invention, the interior of the bag body is divided into a plurality of parts or a plurality of bag bodies are provided to form a plurality of chambers, and the bags are inflated by supplying gas to these chambers. Therefore, even if a portion of the bag body is broken by a knife or other knife due to taxi robbery, etc., the gas is released from the chamber opened to the atmosphere by the breakage, and the other chambers are filled with gas. The state is maintained. Therefore, the whole bag body (the whole bag body means the whole of all the bag bodies when a plurality of chambers are formed by a plurality of bag bodies. The same shall apply in the following description). As a result, it is possible to obtain an effect such as preventing the taxi robber from being released from the compression by the bag. Thereby, deterrence can be demonstrated also to the criminal act by the robber who possesses a knife.

  In the present invention, since the plurality of chambers are filled with gas, even if the bag is pressed by robbery or the like, the gas in each chamber only moves inside each chamber. Therefore, deformation such as crushing of the bag can be suppressed, and as a result, deterrence against criminal acts can be effectively exhibited. Therefore, from the above, the crime prevention performance can be improved as compared with the technique of Patent Document 2 described above.

  In addition, if it is set as the structure which forms a some chamber by dividing the inside of a bag body into plurality, compared with the case where a some chamber is formed by providing a some bag body, simplification of a structure can be achieved. .

  The crime prevention device of the second invention is characterized in that, in the first invention, the chambers are arranged in a direction orthogonal to the expansion direction of the bag body.

  According to the present invention, since the chambers are arranged in a direction orthogonal to the expansion direction of the bag body, any of the chambers can be expanded to the attack target side such as a burglar. Therefore, for example, even if a taxi burglar being pressed by a bag breaks the bag with a blade and one of the chambers contracts, the robber can continue to be pressed by another chamber in which the expanded state is maintained. . Thereby, the deterrent power with respect to a criminal act can be improved further.

  According to a crime prevention device of a third invention, in the first or second invention, the gas supply means is provided for each of the chambers, a common gas supply passage for supplying gas to the chambers, And an introduction passage for introducing gas from the gas supply passage into the chamber.

  According to the present invention, gas is supplied to each chamber from the common gas supply passage through each introduction passage. Therefore, a gas supply passage is provided for each chamber individually, and each chamber is provided via each supply passage. The configuration of the gas supply means can be simplified as compared with the case where gas is supplied to the gas. Therefore, it is possible to reduce the size of the device, which is convenient for the security device that is assumed to be installed in a narrow car or the like.

  Further, the gas supply passage desirably extends along the direction in which the chambers are arranged. Then, since the gas supply passage can be provided along the bag body forming each chamber, the apparatus can be further downsized. Further, an introduction hole for introducing gas into the chamber may be formed in the gas supply passage, and the introduction hole may be used as the introduction passage. In this case, since the bag forming each chamber can be directly connected to the gas supply passage, further downsizing of the apparatus can be achieved.

  According to a fourth aspect of the present invention, there is provided the crime prevention device according to the third aspect, further comprising a blocking portion that blocks backflow of gas from the chambers to the gas supply passage.

  In the configuration in which gas is supplied to each chamber through a common gas supply passage, when the bag body is broken by a blade by robbery or the like, the gas filled in the other chambers is released to the atmosphere along with the breakage. It is considered that the gas flows through the gas supply passage and is then discharged from the same chamber to the outside of the bag body. In this case, the entire bag contracts and loses deterrence against criminal acts such as robbery. In that respect, in the present invention, since the backflow of the gas from the chamber to the gas supply passage is blocked by the blocking portion, even if one of the chambers is opened to the atmosphere due to the breakage of the bag body, the gas filled in the other chamber remains. It can be prevented from being released out of the bag body from the chamber opened to the atmosphere through the gas supply passage. As a result, it is possible to suppress criminal acts such as a burglar who possesses a blade while reducing the size of the apparatus.

  The crime prevention device according to a fifth aspect of the present invention is the crime prevention device according to the third or fourth aspect of the invention, wherein the introduction passages of the respective introduction passages are adjusted so as to adjust the amount of gas introduced into the respective chambers so that the respective chambers complete expansion at the same time. The opening area is different.

  In the configuration in which gas is supplied from the common gas supply passage to each chamber through each introduction passage, whether each introduction passage is on the upstream side of the gas supply passage, for example, due to a difference in the position of each introduction passage in the gas supply passage. It is considered that the ease of introduction into the gas chamber through each introduction passage varies depending on whether it is on the downstream side or the like. In this case, the expansion speed of each chamber is biased, and as a result, there is a possibility that a deterring effect against robbery or the like cannot be quickly obtained in a chamber in which expansion is delayed. Therefore, in the present invention, the amount of gas introduced into each chamber is adjusted by varying the opening area of each introduction passage so that the expansion of each chamber is completed at the same time. In this case, the deterrent against criminal acts can be quickly exhibited in the entire bag.

  According to a security device of a sixth invention, in any one of the first to fifth inventions, the bag body has a shape having a hollow portion when inflated.

  In order to obtain a sufficient deterrent effect against criminal acts such as robbery, it is necessary to expand the bag body to a size larger than a predetermined size. Here, in order to inflate the bag body to such a size, it is necessary to supply a relatively large amount of gas to the bag body, but in order to supply such an amount of gas, a gas supply source such as an inflator must be enlarged. However, as a result, the size of the apparatus is increased, and it is difficult to install the apparatus in a narrow space such as in a vehicle. Therefore, in the present invention, in view of this point, by providing a hollow portion in the bag body, the inner volume of the bag body is reduced without changing the size of the outer shape of the bag body. Thereby, the deterrent with respect to criminal acts can be exhibited, without causing the enlargement of an apparatus.

  According to a security device of a seventh invention, in the sixth invention, the bag body has its interior partitioned into the plurality of chambers, and the hollow portion is orthogonal to the expansion direction of the bag body. The chamber is penetrated in a direction to be cut, and each chamber is partitioned so as to be aligned in the penetration direction of the hollow portion.

  According to the present invention, since the hollow portion penetrates the bag body in a direction orthogonal to the inflating direction of the bag body, it is hollow on the front end side in the inflating direction of the bag body, that is, on the side where the attack target such as burglar is present The part is not opened. Therefore, while reducing the capacity of the bag body by the hollow portion, it is possible to secure a wide pressing surface for pressing a burglar or the like by the bag body and to secure a deterrent effect against criminal acts. By the way, when providing said hollow part in a bag body, it is possible that a bag body will be easy to collapse in the direction orthogonal to the penetration direction of a hollow part. In that respect, according to the present invention, the chambers formed inside the bag body are arranged in the penetrating direction of the hollow portion, and therefore the collapse of the bag body can be suppressed. Therefore, for example, an act such as a burglar or the like pressed by the bag in the vehicle crushed the bag and thus escapes from the pressure can be suppressed.

  The effect of the seventh or eighth invention is not limited to the security device in which a plurality of chambers are formed by dividing the inside of the bag body into a plurality of parts or including a plurality of bag bodies, but only one bag body is provided. And since the inside of a bag body is not divided into plurality, it can be obtained also in the crime prevention device in which only one chamber is formed.

  The crime prevention device according to an eighth aspect of the present invention is the crime prevention device according to any one of the first to seventh aspects, wherein the crime prevention device is installed in a counter for customer service provided in a store, and the housing member is provided on the customer side of the counter. A base member attached to a side surface for holding the bag body, and a cover member attached to the base member so as to be openable and closable and covering the bag body in a closed state, the cover member comprising the bag As the body expands, the bag opens downward and supports the expanded bag body from below.

  The crime prevention device of the present invention is installed in a counter of a store, and when a burglar or the like enters the store and approaches a clerk of the counter, the burglar or the like is inflated by inflating the bag body toward the burglar or the like. The bag can be pushed away from the store clerk. Here, unlike a burglar or the like entering a car, a burglar in a store can easily move in the left-right direction toward the counter. Therefore, in the crime prevention apparatus for shops, it is desirable to form the bag body in a long shape along the length direction of the counter. However, with such a configuration, it is assumed that the weight of the bag body increases and the bag body hangs down when the bag body is inflated. Therefore, in the present invention, paying attention to this point, the bag body is supported from below by using a cover member for covering the bag body when the bag body is inflated. Thereby, it is possible to prevent the bag body from drooping, and as a result, it is possible to suppress the robbery and the like from moving over to the sagging bag body and moving to the store clerk side.

The perspective view which shows the state which installed the crime prevention apparatus in 1st Embodiment in the vehicle of a taxi. The front view which shows the structure of the crime prevention apparatus attached to the backrest. Sectional drawing which shows the structure of the crime prevention apparatus attached to the backrest. The top view which shows the structure of the crime prevention apparatus attached to the backrest. (A) is a side view showing the configuration of the airbag, (b) is a front view showing the configuration, (c) is a perspective view showing the configuration. Sectional drawing which shows the connection structure of an airbag and a chamber. The figure for demonstrating the effect | action of a security device. The figure which shows the state which installed the crime prevention apparatus in 2nd Embodiment in the shop. (A) is a top view which shows the structure of a crime prevention apparatus, (b) is a front view which shows the structure. Sectional drawing which shows the structure of a security device. (A) is a side view which shows the structure of an airbag, (b) is a front view which shows the structure. The figure for demonstrating the effect | action of a security device. The structure of the airbag in other embodiment is shown, (a) is a side view which shows the structure, (b) is a front view which shows the structure.

[First Embodiment]
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. This embodiment demonstrates the case where the crime prevention apparatus of this invention is installed in the vehicle of a taxi. In addition, FIG. 1 is a perspective view which shows the state which installed the crime prevention apparatus in the vehicle of a taxi.

  As shown in FIG. 1, a driver's seat 11 a and a passenger seat 11 b are provided as a front seat 11 in the car of the taxi 10, and a rear seat 12 is provided behind the front seat 11. The front seat 11 is provided with a backrest 13, and a headrest 14 is attached above the backrest 13. The headrest 14 has a headrest bar 14a (see FIG. 2), and is detachably attached by inserting the bar 14a into an insertion hole (not shown) provided in the upper end portion of the backrest 13. .

  A security device 20 is attached to the back side of the backrest 13 of the front seat 11. In the present embodiment, the security device 20 is attached to both the driver seat 11a and the passenger seat 11b. Hereinafter, the configuration of the security device 20 will be described with reference to FIGS. 2 is a front view showing the configuration of the security device 20 attached to the backrest 13, FIG. 3 is a longitudinal sectional view showing the configuration, and FIG. 4 is a plan view showing the configuration. 3 is a cross-sectional view taken along line AA in FIG. 2, and FIG. 4 is a cross-sectional view taken along line BB in FIG.

  Moreover, in the following description, the side on which the taxi 10 moves forward is defined as the front side, and the front, rear, left, right, and up and down directions are defined on the basis thereof. And about the crime prevention apparatus 20, on the basis of the state attached to the backrest 13, front and rear, right and left, upper and lower are prescribed | regulated.

  As shown in FIGS. 2 and 3, the security device 20 includes a main body base 21 made of a metal plate. The main body base 21 includes a flat surface portion 21a that is formed in a substantially rectangular shape and faces the back surface of the backrest 13, and a flange portion 21b that is bent backward from the peripheral edge portion of the flat surface portion 21a. The main body base 21 is provided on the back side of the backrest 13 so that the longitudinal direction of the flat surface portion 21a faces the left-right direction.

  An attachment plate 22 for attaching the security device 20 to the backrest 13 is fixed to the upper end portion of the main body base 21. The mounting plate 22 extends upward from the main body base 21, and an upper end portion thereof is bent forward to form an upper surface portion 22a. As shown in FIG. 4, a pair of left and right insertion holes 23 through which the headrest bar 14 a of the headrest 14 is inserted is formed in the upper surface portion 22 a of the mounting plate 22. The headrest bar 14 a is inserted through each of the insertion holes 23. As a result, the main body base 21 is suspended and supported by the mounting plate 22 on the back side of the backrest 13, and as a result, the security device 20 is attached to the back side of the backrest 13. Moreover, each insertion hole 23 is formed in the ellipse shape long in the left-right direction, and this security device 20 is attached in the range in which the insertion hole 23 is formed even if the space | interval of the headrest bar 14a differs with vehicle types. Is possible.

  Regulating plates 25 are attached to both ends in the longitudinal direction (left-right direction) of the main body base 21. Each regulating plate 25 is bent forward from an abutting plate portion 25a abutting against the front surface of the main body base 21 and an end portion of the abutting plate portion 25a opposite to the center side in the longitudinal direction of the main body base 21. And a restricting plate portion 25b. The restricting plate portion 25b is further bent toward the center side at the front end portion, and the tip end portion of the bent portion is in contact with (or close to) the side surface of the backrest 13. Thereby, it is regulated that the security device 20 is displaced in the left-right direction with respect to the backrest 13.

  The contact plate portion 25 a is disposed in a U-shaped rail 26 fixed to the front side of the main body base 21. The rail 26 extends in the longitudinal direction (left-right direction) of the main body base 21, and the contact plate portion 25 a (and thus the restriction plate 25) can slide in the left-right direction along the rail 26. As a result, the left and right positions of the restricting plates 25 can be adjusted in accordance with the width of the backrest 13.

  A weld nut 27 is fixed to the main body base 21 on the opposite side of the rail 26 with the base 21 interposed therebetween. A bolt 35 is fastened to the weld nut 27 from behind, and a contact plate portion 25 a is sandwiched between the tip of the bolt 35 and the rail 26. Thereby, the restriction plate 25 is fixed.

  A cover 28 formed to cover the base 21 is detachably attached to the main body base 21. In FIG. 2, for convenience, the outline of the cover 28 is illustrated by a one-dot chain line. The cover 28 is made of, for example, ABS resin. The cover 28 is provided with claw portions 28a that protrude from the inner surface thereof. These claw portions 28a are hooked in hook holes 29 formed in the flange portion 21b (specifically, the upper and lower portions) of the main body base 21, whereby the cover 28 is detachably attached to the main body base 21. Yes.

  In the security device 20, a housing member is constituted by the main body base 21 and the cover 28, and a gas generation source is provided in an inner space (hereinafter also referred to as a housing space 43) surrounded by the main body base 21 and the cover 28. As an inflator 31, a chamber 32 connected to the inflator 31, and an airbag 33 that inflates when gas is supplied from the inflator 31 through the chamber 32. The security device 20 squeezes the driver by a burglary or the like from the rear seat 12 side by compressing the burglar or the like sitting on the rear seat 12 by inflating the airbag 33 rearward. It is a deterrent. Hereinafter, a configuration for inflating the airbag 33 in the crime prevention apparatus 20 will be described in detail. In FIG. 2, the airbag 33 is not shown for convenience.

  As shown in FIGS. 2 and 3, the inflator 31 is formed in a columnar shape (in other words, a rod shape) that is long in the axial direction, and the longitudinal direction thereof is directed to the longitudinal direction of the main body base 21 at the lower portion of the main body base 21. It is attached in a state. The inflator 31 is filled with a gas to be supplied to the airbag 33 in a high pressure state, and in this embodiment, helium gas (hereinafter simply referred to as gas) is filled as the gas. In addition, as a gas with which the inflator 31 is filled, other inert gas such as argon gas may be used.

  One end side in the longitudinal direction of the inflator 31 serves as a delivery passage 31a for delivering gas to the chamber 32. The delivery passage 31a is a rupture disc that keeps the inside of the inflator 31 closed by closing the passage 31a. (Not shown) is provided. An igniter 36 having explosives or the like is provided in the vicinity of the delivery passage 31a. By operating the igniter 36 to burn the explosives, the rupture disk is blasted by the blast or heat associated with the combustion. It is configured to burst. As a result, the gas in the inflator 31 is sent to the chamber 32 through the delivery passage 31 a and is then supplied to the airbag 33.

  In addition, an operation switch 38 for operating the igniter 36 is provided in the vehicle of the taxi 10 (see FIG. 1). The operation switch 38 is electrically connected to the igniter 36, and specifically, connected to the igniter 36 of each crime prevention device 20 attached to each front seat 11. Thus, the igniter 36 is activated by the operation of the operation switch 38 by the driver, and as a result, gas is supplied from the inflator 31 to the airbag 33 and the bag 33 is inflated. The operation switch 38 is preferably attached to a position where a blind spot from a suspicious person such as a robber is present in the vehicle. In this embodiment, the operation switch 38 is attached to the lower surface of the dashboard 17 in front of the driver's seat 11a.

  A chamber 32 is connected to the delivery passage 31 a of the inflator 31. The chamber 32 is a passage formed in a rectangular tube shape, and is fixed to the flat surface portion 21 a of the main body base 21. The chamber 32 extends in a substantially L shape as a whole in the accommodation space 43. Specifically, one end of the chamber 32 is connected to the inflator 31 and extends upward, and the inflator 31 extends from the upper end of the short portion 32a. And a long portion 32b extending on the same side. That is, the long portion 32b of the chamber 32 and the inflator 31 are arranged side by side in the accommodation space 43 so as to be parallel to each other. The downstream end of the long portion 32b is closed by a rectangular plate (not shown).

  The chamber 32 is formed in a flat shape as a whole. Specifically, the length in the front-rear direction is smaller than the outer peripheral diameter of the inflator 31. More specifically, the longitudinal length of the chamber 32 is substantially half of the outer diameter of the inflator 31. Accordingly, a relatively large space is formed in the front-rear direction behind the chamber 32 in the accommodation space 43 as compared to the rear of the inflator 31 in the space 43. However, the connecting portion of the short portion 32a with the inflator 31 is expanded in diameter in the front-rear direction so as to be connected to the delivery passage 31a provided on the axial center side of the inflator 31, so the rear space of the portion is It is smaller in the front-rear direction.

  The chamber 32 is formed with a plurality of (three in FIG. 2) introduction holes 41 for introducing gas to the airbag 33. The introduction holes 41 are provided at predetermined intervals in the extending direction of the elongated portion 32 b in the elongated portion 32 b of the chamber 32. Each introduction hole 41 has a circular shape and is opened rearward.

  The chamber 32 is provided with a flange portion 45 that is substantially flush with the back surface of the chamber 32 at a portion corresponding to each introduction hole 41. Each of the flange portions 45 has a quadrilateral shape whose outer shape (specifically, the outer shape when the flange portion 45 is viewed from the rear) is expanded substantially around each introduction hole 41, and therefore, the flange portion 45 and the chamber 32. A quadrangular plane portion 46 that is continuous is formed. In addition, insertion holes 46 a for inserting bolts 67 described later are formed at the four corners of the flat portion 46.

  As shown in FIG. 3, the airbag 33 is stored in a folded state in the storage space 43. The airbag 33 is accommodated in the accommodation space 43 across the rear of the chamber 32 and the rear of the inflator 31. More specifically, the airbag 33 mainly uses the rear space of the chamber 32 having a relatively large space in the front-rear direction. It is stored.

  The airbag 33 is fixed to each flat portion 46 via a packing 61 (indicated by a one-dot chain line in FIG. 2). Thus, the airbag 33 is connected to the chamber 32 side, and gas is supplied to the airbag 33 from the chamber 32 through the introduction hole 41.

  Here, the details of the connection configuration between the airbag 33 and the chamber 32 will be described later. First, the configuration of the airbag 33 will be described with reference to FIG. FIG. 5 shows the configuration of the airbag 33, (a) is a side view showing the configuration, (b) is a front view showing the configuration, and (c) is a perspective view showing the configuration. . FIG. 5 shows a state where the airbag 33 is inflated.

  As shown in FIG. 5, the airbag 33 includes a bag body 51 that expands when supplied with gas, and a partition cloth 52 as a partition section that partitions the interior of the bag body 51 into a plurality of partition chambers 55. ing. The bag body 51 is formed by sewing a cloth into a bag shape. For example, a cloth made of 66 nylon fibers is used as the cloth. The bag body 51 may be formed by welding a cloth. Further, the surface of the bag body 51 is provided with a silicon coating, and gas is prevented from leaking outside through the mesh of the bag body 51.

  The bag body 51 is formed in a substantially cylindrical shape as a whole. The bag body 51 has a substantially cylindrical hollow portion 56 extending in the axial direction. The hollow portion 56 is formed substantially at the center of the bag body 51 and penetrates the bag body 51 in the axial direction.

  Similarly to the bag body 51, the partition cloth 52 is made of a cloth made of nylon fiber, and is sewn to the bag body 51 so as to be integrated with the bag body 51. A plurality of (two in FIG. 5) partition cloths 52 are provided at predetermined intervals along the axial direction of the bag body 51. Therefore, the interior of the bag body 51 is partitioned into a plurality (three in FIG. 5) in the axial direction of the bag body 51 by the respective partition cloths 52, and the respective compartments 55 formed by these partitions are They are arranged side by side in the axial direction. More specifically, each partition cloth 52 is provided so as to equally divide the inside of the bag body 51 in the axial direction of the bag body 51, whereby each compartment 55 has substantially the same volume. Has been.

  A square hole 51 a that communicates the inside and outside of the compartment 55 is formed in the outer peripheral portion of the bag body 51 for each compartment 55. These square holes 51a are arranged in a line in the axial direction of the bag body 51. Specifically, the square holes 51a are arranged at substantially the same intervals as the arrangement intervals of the introduction holes 41 of the chamber 32 described above. Further, the bag body 51 is formed with insertion holes 51b through which bolts 67 described later are inserted at the four corners around each of the square holes 51a.

  Further, a reinforcing cloth 57 extending over each square hole 51 a is attached to the outer peripheral portion of the bag body 51 on the back surface side. The reinforcing cloth 57 reinforces the peripheral portion of the square hole 51a of the bag body 51 connected to the chamber 32 (details of the connection configuration will be described later), and is sewn to the bag body 51 and the partition cloth 52. Has been. In the reinforcing cloth 57, square holes and insertion holes (both not shown) similar to the bag body 51 are formed at portions corresponding to the square holes 51a and the insertion holes 51b formed in the bag body 51.

  Next, a connection configuration between the airbag 33 and the chamber 32 having the above configuration will be described with reference to FIG. FIG. 6 is a cross-sectional view showing a connection configuration between the airbag 33 and the chamber 32, and corresponds to a cross-sectional view taken along the line CC in FIG. Further, although the illustration of the airbag 33 is omitted in FIG. 2 for convenience, the airbag 33 is illustrated in FIG. 6.

  As described above, the airbag 33 is fixed to each flat portion 46 via the packing 61. As shown in FIG. 6, the packing 61 has a rectangular plate shape made of rubber or the like, and is formed to have substantially the same size as the flat portion 46. The packing 61 is superposed on the rear side surface of each flat portion 46. The packing 61 is formed with a square hole 61a that is larger than the introduction hole 41 provided in the chamber 32 (specifically, any of the introduction holes 41 of the chamber 32). The entire hole 41 is open.

  An airbag 33 is provided on the rear side surface of each packing 61. The airbag 33 is provided in a state in which each square hole 51 a formed in the bag body 51 is aligned with the square hole 61 a of each packing 61. Therefore, the airbag 33 is provided in the accommodation space 43 in a direction in which the respective square holes 51a are arranged in the left-right direction. Therefore, when the airbag 33 is inflated, the compartments 55 are arranged in the left-right direction.

  A fixing metal 63 for fixing the airbag 33 is provided on the side opposite to the packing 61 across the bag body 51 (specifically, the seat portion) of the airbag 33. The fixed metal 63 is a rectangular flat plate having substantially the same size as the packing 61. In the fixed metal 63, a square hole 63a having the same shape and the same size as the square hole 51a is formed at a portion corresponding to the square hole 51a of the airbag 33 (bag body 51). An insertion hole 63b for inserting the bolt 67 is formed in a portion corresponding to the insertion hole 51b.

  Bolts 67 are inserted from the inside of the airbag 33 into the insertion holes 63b, 51b, and 46a of the fixed metal 63, the bag body 51, and the flat surface portion 46, and the bolts 67 are fastened to the nuts 68 in the inserted state. Yes. As a result, the fixing metal 63 is fixed to the flat portion 46 with the packing 61 and the airbag 33 sandwiched between the flat portions 46, and as a result, the airbag 33 is fixed to the flat portion 46. Further, since the packing 61 is interposed between the airbag 33 and the flat portion 46 in a compressed state, gas leakage from the connection portion between the airbag 33 and the chamber 32 (flat portion 46) is prevented. Yes. The packing 61 is in a state of being penetrated by the bolt 67 at this time. Further, a gasket 61 may be interposed between the fixed metal 63 and the airbag 33 to further prevent gas leakage.

  In the fixed state, the compartments 55 and the chamber 32 of the airbag 33 are communicated with each other through the introduction holes 41. Therefore, when gas is supplied from the inflator 31 to the chamber 32, the gas is supplied (filled) from the chamber 32 to each compartment 55 of the airbag 33 through the introduction holes 41, and as a result, the airbag 33 faces rearward. It comes to expand.

  Here, when the gas is supplied to the airbag 33, the gas flowing through the chamber 32 tends to flow through the chamber 32 toward the downstream side rather than entering the compartment 55 through the introduction hole 41. For this reason, gas is more easily introduced toward the downstream compartment 55 than the upstream compartment 55, and the expansion speed of each compartment 55 may be uneven. Therefore, in this embodiment, as shown in FIG. 2, each introduction hole 41 is formed such that the opening area decreases from the upstream side to the downstream side of the chamber 32. Specifically, the opening area of each introduction hole 41 is set so as to adjust the amount of gas introduced into each compartment 55 so that each compartment 55 completes expansion at the same time.

  A check valve 65 (indicated by a one-dot chain line in FIG. 2) as a blocking portion is attached to the rear surface side of the flat portion 46 including the chamber 32 and the like. The check valve 65 is disposed in the square hole 61 a of the packing 61 on the rear surface side of the flat portion 46. The check valve 65 is constituted by a reed valve made of a rectangular plate spring material, and has a size capable of closing the introduction hole 41. One side of the check valve 65 is fixed to the flat portion 46 with a screw 69 in a state where the introduction hole 41 is closed. Therefore, the check valve 65 can bend toward the airbag 33 with the fixed portion as a base point.

  Here, when gas is supplied from the inflator 31 to the chamber 32, the check valve 65 is opened to the airbag 33 side by the gas pressure in the chamber 32, and the deflection introducing hole 41 is opened (see the one-dot chain line in FIG. 6). Therefore, gas is introduced into the airbag 33 from the chamber 32 side through the opening. On the other hand, in a state where the air bag 33 is filled with gas, the check valve 65 is pressed against the flat portion 46 by the gas pressure in the bag 33, and the introduction hole 41 is closed by the check valve 65. Therefore, the gas filled in the airbag 33 is prevented from flowing back to the chamber 32 side through the introduction hole 41.

  Note that the reed valve is not necessarily used as the check valve, and other types of check valves such as a ball check valve (ball check valve) may be used. In addition, it is not always necessary to use a check valve as the blocking portion, and a member other than the check valve is used in the airbag 33 by using an opening / closing valve for opening / closing the introduction hole 41 and closing the introduction hole 41 by the opening / closing valve. Gas backflow may be prevented.

  Next, the effect | action of this crime prevention apparatus 20 is demonstrated based on FIG. FIG. 7 is a diagram for explaining the operation of the security device 20.

  For example, when the driver D is likely to be injured by the robber K from the rear seat 12 side in the car of the taxi 10 with the blade or the like, the driver D operates the operation switch 38. Operate. In this embodiment, each crime prevention device 20 attached to each front seat 11 is operated by operating the operation switch 38. When the security device 20 is activated, the airbag 33 is inflated rearward as shown in FIG. The cover 28 of the crime prevention device 20 is pushed rearward by the inflation of the airbag 33 and is removed from the main body base 21. When the airbag 33 is inflated rearward, the airbag 33 is interposed between the front seat 11 and the rear seat 12, and the robber K on the rear seat 12 side is pressed rearward by the inflated airbag 33. Movement between the bag 33 and the rear seat 12 is suppressed. In this case, the driver D can be prevented from being harmed by the robber K.

  By the way, when the robber K whose movement is suppressed by the airbag 33 possesses the cutter, the airbag 33 is contracted by breaking the airbag 33 with the cutter, and thereby, the airbag 33 can escape from the pressure by the airbag 33. Conceivable. In that respect, in the crime prevention apparatus 20, when a part of the airbag 33 is broken by the blade by the burglar K, gas is released from the compartment 55 opened to the atmosphere by the breakage. The state filled with gas is maintained. Therefore, the entire airbag 33 is prevented from contracting, and as a result, the harm from the robber K can be suppressed.

  As mentioned above, according to the structure of this embodiment explained in full detail, the following outstanding effects are acquired.

  A plurality of compartments 55 are formed by dividing the interior of the airbag 33 (bag body 51) into a plurality of parts, and gas is supplied to each of the compartments 55. In this case, even if a part of the inflated airbag 33 is broken by the blade by the robber K, only gas is released from the compartment 55 opened to the atmosphere due to the breakage, and the gas is not discharged in the other compartments 55. Is kept filled. Therefore, it is possible to avoid the entire airbag 33 from contracting, and as a result, it is possible to prevent the robber K from being released from the compression by the airbag 33. Thereby, deterrence can be demonstrated also to the criminal act by the robber K who possesses a blade.

  Further, since the plurality of compartments 55 are each filled with gas, even if the airbag 33 is pressed by burglary or the like, the gas in each compartment 55 only moves inside the respective compartment 55. Therefore, deformation such as crushing of the airbag 33 can be suppressed. Therefore, the deterrent power against criminal acts can be exhibited effectively. Therefore, crime prevention can be improved from the above.

  The compartments 55 were partitioned so as to be aligned in a direction orthogonal to the inflation direction (specifically, the rear) of the airbag 33. In this case, any of the compartments 55 can be inflated to the robber K side of the rear seat 12. Therefore, even if the robber K compressed by the airbag 33 breaks the airbag 33 with a blade and contracts one of the compartments 55, the robber K continues to be robbed by the other compartment 55 maintained in an inflated state. Can be squeezed. Thereby, the deterrent power with respect to a criminal act can be improved further.

  Specifically, the compartments 55 were partitioned so as to be lined up in the left-right direction as viewed from the robber K who is the attack target. In this case, since the airbag 33 extending in the left-right direction is prevented from being crushed in the short direction (for example, the vertical direction) by the partition member that partitions each compartment 55 in the same direction, the robber K crushed the airbag 33. The situation of escaping from the pressure from the bag 33 can be suppressed.

  A plurality of compartments 55 were formed by partitioning the interior of the airbag 33 (bag body 51) into a plurality of parts. In this case, the configuration can be simplified as compared with the case where a plurality of compartments are formed by providing a plurality of bags.

  A common chamber 32 that supplies gas to each compartment 55 and an introduction hole 41 that is provided for each compartment 55 and introduces gas from the chamber 32 to the compartment 55 are provided. In this case, since gas is supplied from the common chamber 32 to each compartment 55 of the airbag 33 through each introduction hole 41, a chamber is provided for each compartment, and each compartment is provided via each chamber. The configuration can be simplified as compared with the case where gas is supplied to the fuel cell. Therefore, the crime prevention device 20 can be made compact, which is convenient for the device 20 that is assumed to be installed in a narrow vehicle or the like.

  The chamber 32 was formed so as to extend along the direction in which the compartments 55 were arranged. In this case, since the chamber 32 can be provided along the airbag 33, the apparatus 20 can be further downsized.

  The chamber 32 is formed in a substantially L shape by the long portion 32b and the short portion 32a, the long portion 32b is arranged in parallel with the bar-shaped inflator 31 and vertically, and one end portion of the short portion 32a is arranged. It connected to the delivery passage 31a of the inflator 31. In this case, since the inflator 31 and the chamber 32 can be accommodated in the accommodation space 43 in a compact manner, the crime prevention device 20 can be made compact.

  Since the check valve 65 for preventing the backflow of gas from each compartment 55 to the chamber 32 is provided, even if one of the compartments 55 is opened to the atmosphere due to the breakage of the airbag 33, the other compartments 55 are filled. The gas can be prevented from being released out of the bag 33 from the compartment 55 opened to the atmosphere through the chamber 32. Thereby, the criminal act of the robber K who possesses a knife can be suppressed, aiming at making the apparatus 20 compact.

  In order to adjust the amount of gas introduced into each compartment 55 so that each compartment 55 completes expansion at the same time, the opening area of each introduction hole 41 was varied. In this case, the entire airbag 33 can be rapidly inflated, and as a result, the entire airbag 33 can rapidly exert a deterrent against criminal acts.

  Since the airbag 33 has a shape having the hollow portion 56 when the airbag 33 is inflated, the inner capacity of the bag 33 can be reduced without changing the size of the outer shape of the airbag 33. As a result, it is possible to exert a deterrent against criminal acts without increasing the size of the inflator 31 and increasing the size of the device 20 so as to increase the amount of gas supplied to the airbag 33.

  The hollow portion 56 is provided so as to penetrate the airbag 33 in a direction orthogonal to the inflation direction of the airbag 33. In this case, since the hollow portion 56 is not opened on the leading end side in the inflation direction of the airbag 33, that is, on the side where the robber K is present, the burglar K is removed by the airbag 33 while the hollow portion 56 reduces the capacity of the airbag 33. A pressing surface to be pressed can be secured widely, and a deterrent effect against criminal acts can be secured. In such a configuration, the partition chambers 55 are partitioned by the partition cloth 52 so as to be aligned in the penetration direction of the airbag 33. Thereby, the partition cloth 52 can suppress the collapse of the airbag 33 that is easily crushed in the direction orthogonal to the penetration direction of the hollow portion 56. Therefore, it is possible to suppress acts such as escape from the compression by the robber K compressed by the airbag 33 by crushing the airbag 33.

[Second Embodiment]
Although the said 1st Embodiment demonstrated the case where the crime prevention apparatus 20 was installed in the vehicle of the taxi 10, this embodiment demonstrates the case where the crime prevention apparatus is installed in the counter for customer service in a store. Here, a bank is assumed as a store. In addition, FIG. 8 is a figure which shows the state which installed the crime prevention apparatus in the shop. FIG. 9 shows the configuration of the security device, (a) is a plan view showing the same configuration, and (b) is a front view showing the same configuration. FIG. 10 is a cross-sectional view illustrating the configuration of the security device, and corresponds to a cross-sectional view taken along line AA in FIG.

  As shown in FIG. 8, the counter 71 for customer service provided in the store 70 is provided with a security device 80. The security device 80 is formed in a long shape, and is attached to the side surface 71 a on the customer side of the counter 71 in a state where the longitudinal direction thereof is directed in the direction in which the counter 71 extends. Here, in the following description, the clerk side is the front side and the customer side is the rear side with respect to the counter 71.

  As shown in FIGS. 9 and 10, the security device 80 includes a main body base 81 attached to the side surface 71 a of the counter 71 and a cover 82 attached to the main body base 81 so as to be rotatable. The main body base 81 has a substantially rectangular flat surface portion 81a fixed to the side surface 71a of the counter 71 with a bolt or the like, and a flange portion 81b bent backward from the peripheral edge portion of the flat surface portion 81a. The main body base 81 is provided so that the longitudinal direction of the flat surface portion 81 a faces the direction in which the counter 71 extends.

  The cover 82 is formed so as to cover the main body base 81 and is made of, for example, ABS resin. In FIG. 9B, for convenience, the outline of the cover 82 is indicated by a one-dot chain line. The cover 82 is attached to the main body base 81 via a hinge 83 at the lower end thereof. A plurality of hinges 83 (two in FIG. 9B) are provided at a predetermined interval in the longitudinal direction of the main body base 81. As a result, the cover 82 can be rotated downward about the axis of the hinge 83. And the accommodation space 75 is opened and closed by rotating the cover 82. The flange portion 81b of the main body base 81 is removed only at a portion where the hinge 83 is provided.

  Specifically, the cover 82 can be rotated between a closed position where the accommodation space 75 is closed and an open position where the accommodation space 75 is opened and the back surface portion 82a faces in the front-rear direction. When the cover 82 is rotated to the open position, the bottom surface thereof comes into contact with the side surface 71a of the counter 71, and further downward rotation is restricted.

  The configuration for restricting the cover 82 from rotating below the open position is not limited to this, and for example, a rotation restricting function for restricting a predetermined rotation or more with respect to the hinge 83 is provided. It may be given.

  A claw portion 82 b that can be engaged with an insertion hole 85 formed in the upper portion of the flange portion 81 b of the main body base 81 is provided on the upper portion of the cover 82. The cover 82 is detachably attached to the main body base 81 by engaging the claw portion 82 b with the insertion hole 85.

  In the accommodation space 75 between the main body base 81 and the cover 82, an inflator 31, chambers 72 and 73, and an airbag 74 are provided. In the present embodiment, unlike the above-described embodiment, two inflators 31 are provided in the accommodation space 75, and chambers 72 and 73 are individually connected to the inflators 31, respectively. Gas is supplied to the airbag 74 by the two inflators 31 through these chambers 72 and 73. In FIG. 9A, the airbag 74 is not shown for convenience.

  The two inflators 31 are provided side by side in the lower part of the main body base 81 with the longitudinal direction thereof directed to the longitudinal direction of the main body base 81 and the delivery passages 31a facing each other. Each of these inflators 31 is fixed to the main body base 81 by a fixing plate 86 provided so as to surround them.

  Chambers 72 and 73 are connected to each inflator 31, respectively. Each of the chambers 72 and 73 extends upward from a connection portion with the inflator 31, and a passage opening at the upper end thereof serves as an introduction port 77 for introducing gas into the airbag 74. Further, flange portions 72a and 73a are provided at the upper end portions (downstream end portions) of the chambers 72 and 73, and insertion holes for inserting bolts 95 to be described later are inserted into the four corners of the flange portions 72a and 73a. 72b and 73b are formed.

  The airbag 74 is accommodated in a state in which the airbag 74 is folded in a space above the flange portions 72 a and 73 a of the chambers 72 and 73 in the accommodation space 75. The airbag 74 is fixed to the flange portions 72a and 73a via packings 92. Thereby, the chambers 72 and 73 and the airbag 74 are connected, and gas is supplied from the chambers 72 and 73 to the airbag 74. Here, the details of the connection configuration between the chambers 72 and 73 and the airbag 74 will be described later. Hereinafter, the configuration of the airbag 74 of the present embodiment will be described with reference to FIG. 11A is a side view showing the configuration of the airbag 74, and FIG. 11B is a front view showing the configuration.

  As shown in FIG. 11, the airbag 74 includes a bag body 88 that is inflated when gas is supplied, and a partition section that partitions the interior of the bag body 88 into a plurality of (two in FIG. 11) compartments 90. The partition cloth 89 is provided. The bag body 88 has a substantially columnar shape, and has a shape that does not have a hollow portion unlike the above embodiment. Further, in the store 70, a burglar or the like can easily move to the left and right, and in view of this, the outer shape of the bag body 88 (particularly the length in the left-right direction) is larger than the bag body 51 of the first embodiment. Yes.

  The interior of the bag body 88 is partitioned into a plurality of compartments 90 in the axial direction by a partition cloth 89. Therefore, the compartments 90 are arranged side by side in the axial direction of the bag body 88. More specifically, the partition cloth 89 is provided so as to equally divide the inside of the bag body 88, and thereby each compartment 90 is formed with substantially the same volume.

  In the bag body 88, a square hole 88 a that communicates the inside and outside of the compartment 90 is formed for each compartment 90. These square holes 88a are provided along the axial direction of the bag body 88, and are arranged at substantially the same interval as the interval between the flange portions 72a, 73a of the chambers 72, 73. The bag body 88 is formed with insertion holes 88b through which bolts 95 to be described later are inserted at the four corners around each square hole 88a.

  Next, based on FIG.9 and FIG.10, the connection structure of the airbag 74 of the said structure and the chambers 72 and 73 is demonstrated.

  As described above, the airbag 74 is fixed to the flange portions 72a and 73a of the chambers 72 and 73 via the packing 92, respectively. The packing 92 is formed in a rectangular plate shape having substantially the same size as the outer shape of the flange portions 72a and 73a, and is overlaid on the flange portions 72a and 73a, respectively. The packing 92 is formed with a square hole 92a having the same shape and the same size as the introduction port 77 of the chambers 72 and 73. The square hole 92a is aligned with the introduction port 77 of the chambers 72 and 73. .

  An airbag 74 is provided on the upper surface of each packing 92. The airbag 74 is provided in a state in which each square hole 88 a of the bag body 88 is aligned with each square hole 92 a of each packing 92. Therefore, the airbag 74 is provided in the accommodating space 75 in such a direction that the square holes 88 a are arranged in the left-right direction. Therefore, when the airbag 74 is inflated, the axial center direction is inflated toward the longitudinal direction of the counter 71. Thereby, when the airbag 74 is inflated, the compartments 90 are arranged in the longitudinal direction (left-right direction) of the counter 71.

  A fixing metal 96 having a square hole (not shown) having the same size as the square hole 92a of the packing 92 is provided on the opposite side of the packing 92 across the bag body 88 (specifically, the sheet portion) of the airbag 74. Is provided. The fixed metal 96 is provided in a state where the square hole is aligned with the square hole 92 a of the packing 92. Bolts 95 are inserted into the insertion holes 88 b and 85 of the fixed metal 96, the bag body 88, and the flange portions 72 a and 73 a, and the bolts 95 are fastened to the nuts 97. Thereby, the fixing metal 96 is fixed to the flange portions 72a and 73a, and as a result, the airbag 74 is fixed in a state of being sandwiched between these members 96 and 72a (73a).

  In this connected state, the compartments 90 of the bag body 88 are communicated with the respective chambers 72 and 73 through the introduction port 77. That is, in this configuration, the chambers 72 and 73 are individually connected for each compartment 90 of the bag body 88, and the inflator 31 is individually connected for each chamber 72 and 73. Accordingly, gas is supplied from the individual inflator 31 to the respective compartments 90 of the bag body 88 through the individual chambers 72 and 73.

  Each inflator 31 is connected to an operation switch 94. Thus, when the operation switch 94 is operated, gas is supplied from each inflator 31 to each compartment 90 of the bag body 88, and as a result, the airbag 74 (bag body 88) is inflated. The operation switch 94 is desirably provided at a position that is a blind spot from the customer side, and is provided, for example, on the side surface 71b on the clerk side of the counter 71 (see FIG. 8).

  Next, the effect | action of this crime prevention apparatus 80 is demonstrated based on FIG. In addition, FIG. 12 is a figure for demonstrating the effect | action of the crime prevention apparatus 80. FIG.

  For example, when the burglar K enters the store 70 and approaches the counter 71, the security device 80 operates when the store clerk S operates the operation switch 94. When the operation switch 94 is operated, gas is sent from the inflator 31 to the airbag 74 as described above, and the airbag 74 is inflated rearward. Accordingly, the robber K can be pushed backward by the inflated airbag 74, and as a result, the robber K can be deceived. Moreover, since the airbag 74 can be interposed between the robber K and the clerk S, it is possible to prevent the robber K from getting over the counter 71 and attacking the clerk S.

  Further, in the crime prevention device 80, the inflated airbag 74 is supported from below by a cover 82 rotated downward. The operation will be described below. When the cover 82 is pressed rearward by the airbag 74 as the airbag 74 is inflated, the claw portion 82b is disengaged from the main body base 81 (specifically, the insertion hole 85 of the flange portion 81b) and is moved downward. Rotate towards. Then, the cover 82 stops at the above-described closed position. At this time, the cover 82 is positioned below the inflated airbag 74 and is in a state of supporting the bag 74 from below. For this reason, it is possible to prevent the air bag 74, which is relatively large and heavy, from drooping due to its own weight, and to prevent the robber K from getting over the air bag 74. As a result, it is possible to prevent the burglar K from entering the clerk S beyond the counter 71.

  As mentioned above, according to the structure of this embodiment explained in full detail, the following outstanding effects are acquired.

  The inside of the bag body 88 was partitioned into a plurality of compartments 90, and gas was supplied to each of the compartments 90. In this case, even if a part of the inflated airbag 74 is broken by the blade by the robber K, the gas is only released from the compartment 90 opened to the atmosphere by the breakage, and the other compartments 90 have gas. Is kept filled. Therefore, it is possible to avoid the entire airbag 74 from contracting, and as a result, the airbag 74 can still be interposed between the robber K and the clerk S. Further, it is possible to prevent the robber K from getting over the airbag 74 and getting into the store clerk S beyond the counter 71.

  Further, the compartments 90 were partitioned so as to be lined up in the left-right direction (the longitudinal direction of the counter 71) as viewed from the robber K. In this case, even in the present airbag 74 having a relatively large length in the left-right direction, the partition cloth 89 that divides each compartment 90 in the same direction can suppress collapsing in the short direction (for example, the vertical direction). Can prevent the airbag 74 from being crushed and trying to get over the bag 74.

  The counter 71 includes a main body base 81 that is attached to the side surface 71 a on the customer side and holds the airbag 74, and a cover 82 that is rotatably attached to the main body base 81 and covers the airbag 74. As the air bag expands, the air bag 74 rotates downward to support the inflated airbag 74 from below. As a result, the airbag 74 is formed in a long shape in consideration of the movement of the robber K toward the counter 71 at the store 70, and as a result, even if the weight of the airbag 74 increases, the airbag 74 The bag 74 can be prevented from sagging when the bag is inflated. Therefore, it is possible to suppress the robbery K from moving to the clerk S side over the drooping airbag 74.

  Chambers 72 and 73 for supplying gas to the compartments 90 of the airbag 74 are provided for each compartment 90 individually. In this case, unlike the configuration in which gas is supplied to each compartment 90 via a common chamber, even if one of the compartments 90 is opened to the atmosphere by breaking the airbag 74, The filled gas does not flow back into the common chamber. This eliminates the need for a check valve or the like that prevents the backflow of gas from the compartment 90 to the chambers 72 and 73, thereby reducing costs.

  The inflator 31 was connected to each of the chambers 72 and 73 individually. That is, an inflator 31 as a gas supply source is provided for each compartment 90. In this case, since air is supplied from the two inflators 31 to the bag body 88, the capacity of the bag body 88 and thus the outer shape of the bag body 88 can be increased, and as a result, the deterrence against criminal acts can be increased. In addition, since gas can be supplied from the individual inflator 31 to each compartment 90, the entire airbag 74 can be inflated at the same time, and as a result, a deterrent can be quickly exhibited.

  Two bar-shaped inflators 31 are provided side by side vertically in a direction parallel to each other and with the delivery passages 31a facing each other, and the chambers 72 and 73 are individually provided in the delivery passages 31a of the inflators 31, respectively. The chambers 72 and 73 are provided so as to extend upward. In this case, since the two long inflators 31 can be accommodated in the accommodating space 75 in a compact manner, an increase in the size of the crime prevention device 20 can be suppressed while a large volume of gas can be supplied to the bag body 88. In addition, since the chambers 72 and 73 extend upward from the delivery passages 31a of the inflators 31 directed to the opposite sides of the inflators 31, the bags 72 formed on the upper ends of the chambers 72 and 73 are respectively connected to the bag body 88. The gas introduction port 77 can be arranged with a space therebetween. Thereby, it can be said that it is convenient in the configuration in which the gas is supplied to each compartment 90 of the bag body 88 via the individual chambers 72 and 73.

Other Embodiment
The present invention is not limited to the above embodiment, and may be implemented as follows, for example.

  (1) In each of the above-described embodiments, the compartments 55 and 90 are formed by partitioning the interior of the airbags 33 and 74 (bag bodies 51 and 88) into a plurality of parts. A plurality of compartments may be formed by providing a body. In this case, since it is not necessary to partition the inside of the bag body, partition portions such as the partition cloths 52 and 89 can be made unnecessary.

  (2) In each of the above embodiments, the compartments 55 and 90 of the airbags 33 and 74 are partitioned so as to be arranged in the left-right direction, but the way of arranging the compartments 55 and 90 is not necessarily limited to this. For example, the compartments 55 and 90 may be partitioned in the vertical direction. In this case, even if the airbag is broken by the blade and any one of the compartments is contracted, the robbery K can be pressed in the entire left and right direction of the airbag by the other compartments in which the inflated state is maintained. . Thereby, for example, it can be made difficult for the taxi robber K to escape from the pressure by the airbag, and the deterrent effect on criminal acts can be enhanced.

  In each of the above embodiments, the compartments 55 and 90 of the airbags 33 and 74 are partitioned so as to be aligned in a direction orthogonal to the inflating direction of the airbags 33 and 74. May be partitioned in other directions, such as partitioning in the direction of expansion.

  Further, each compartment of the airbag may be partitioned in a plurality of different directions. For example, it is conceivable to partition in a plurality of different directions orthogonal to the inflation direction of the airbag. In this case, it is possible to reduce the size of the compartment that is opened to the atmosphere and contracted when the airbag is broken, and therefore, the contraction of the entire airbag can be further suppressed. Thereby, the deterrent effect with respect to a crime can be heightened.

  (3) In the first embodiment, the hollow portion 56 is formed so as to penetrate the airbag 33 in the axial direction of the airbag 33, but this is changed to change the airbag 33 in the vertical direction or the front-rear direction. You may form so that the said airbag 33 may be penetrated in another direction. In the first embodiment, the compartments 55 are partitioned so as to be aligned in the penetration direction of the hollow portion 56, but the partitions 55 may be partitioned so as to be aligned in other directions.

  (4) In the first embodiment, the air bag 33 is provided with the hollow portion 56 to reduce the internal capacity. However, the configuration for reducing the internal capacity is not necessarily limited to this. For example, at least at a substantially half portion on the base end side in the inflation direction of the airbag, the size in the direction orthogonal to the inflation direction of the airbag increases from the base end side in the inflation direction toward the tip side. It is possible. A specific example is shown in FIG. In FIG. 13, (a) is a side view showing the configuration of the airbag, and (b) is a front view showing the configuration. In FIG. 13A, the right side of the figure is the proximal end side in the expansion direction, and the left side is the distal end side in the same direction. An airbag 100 shown in FIG. 13 includes a bag body 101 and a partition cloth 102 that partitions the interior of the bag body 101 into a plurality of compartments 103. The bag body 101 as a whole has a shell shape in a side view (viewed from a direction orthogonal to the expansion direction), and is formed to extend in a direction orthogonal to the expansion direction. Each compartment 103 is partitioned by the partition cloth 102 so that the inside of the bag body 101 is aligned in a direction orthogonal to the expansion direction.

  Specifically, the bag body 101 has a trapezoidal shape in which the shape expands from the proximal end side to the distal end side in the same direction in a half portion on the proximal end side in the expansion direction when viewed from the side (direction orthogonal to the expansion direction). 101a is a semicircular shape 101b in which the long side of the trapezoidal shape and the diameter portion thereof are adjacent to each other at a half portion on the tip side. Therefore, the bag body 101 is relatively large inflated on the distal end side, while the amount of expansion is relatively small on the proximal end side. That is, while keeping the outer shape on the side where the burglar K is present in the bag body 101, the outer shape on the side opposite to the burglar K can be reduced to reduce the internal capacity. Thereby, it is possible to exert a deterrent against criminal acts without increasing the size of the inflator 31 and increasing the size of the device 20 so as to increase the amount of air supplied to the airbag 100.

  (5) In the first embodiment, the opening area of each introduction hole 41 is made different, but the opening area of each introduction hole 41 may be the same.

  (6) In the first embodiment, the introduction hole 41 is provided as an introduction passage for supplying gas from the chamber 32 to each compartment 55. However, this may be changed. For example, it is conceivable that a plurality of branch passages branching from the chamber 32 are provided, and these branch passages are connected to the respective compartments 55 so that these branch passages serve as introduction passages.

  (7) In the second embodiment, the cover 82 is attached to the main body base 81 so as to be rotatable (openable and closable), and the cover 82 is rotated to the lower open position as the bag body 88 expands. However, this may be changed. For example, one end of a linear body such as a string is attached to the left and right ends of the upper end side of the main body base 81 and the other end is attached to the side surface of the cover 82. When the cover 82 is opened, the cover 82 is You may make it suspend and support in a closed position by a shape body. Even in this case, the inflated airbag 74 can be supported by the cover 82 from below.

  (8) In each of the above embodiments, the airbags 33 and 74 are formed in a substantially cylindrical shape, but may be formed in other shapes such as a quadrangular prism shape, a triangular prism shape, and a spherical shape.

  (9) Although the security device 20 of the present invention is installed in the taxi 10 in the first embodiment and in the store 70 in the second embodiment, the present device 20 is installed in other locations. Also good. For example, you may install in the vehicle of a private vehicle, or install in the counter counter of an office.

  DESCRIPTION OF SYMBOLS 10 ... Taxi, 20 ... Security device, 21 ... Main body base, 22 ... Cover, 32 ... Chamber as gas supply passage, 33 ... Air bag, 41 ... Introduction hole as introduction passage, 51 ... Bag body, 52 ... Partition cloth , 55 ... a compartment as a chamber, 56 ... a hollow part, 65 ... a check valve as a blocking part, 80 ... a security device, 81 ... a main body base, 82 ... a cover as a cover member.

Claims (8)

A bag body that is housed in a folded state in the housing member and that is inflated in a predetermined direction from the housing member toward an attack target by supplying gas therein,
Gas supply means for supplying gas to the bag body to inflate the bag body;
A security device comprising:
Inside of the bag is formed with a plurality of chambers which are separated from each other,
The gas supply means, all SANYO supplying gas respectively to the chambers,
The chambers are lined up in a direction perpendicular to the expansion direction of the bag body . The security device according to claim 1, wherein the chambers are arranged in a horizontal direction . The gas supply means includes a common gas supply passage for supplying gas to the chambers;
An introduction passage provided for each of the chambers, for introducing gas into the chamber from the gas supply passage;
The crime prevention device according to claim 1, further comprising:   The crime prevention device according to claim 3, further comprising a blocking unit that blocks backflow of gas from each chamber to the gas supply passage.   The opening area of each introduction passage is made different so as to adjust the amount of gas introduced into each chamber so that each chamber completes expansion at the same time. Security device of description.   The security device according to any one of claims 1 to 5, wherein the bag body has a shape having a hollow portion when inflated. Before SL hollow portion extends through the bag body in a direction perpendicular to the expansion direction of the bag,
The crime prevention device according to claim 6, wherein each of the chambers is partitioned so as to be aligned in a penetrating direction of the hollow portion. It is a security device installed at the counter for customer service provided in the store,
The housing member is
A base member attached to the customer side of the counter and holding the bag,
A cover member attached to the base member so as to be openable and closable and covering the bag body in a closed state,
The crime prevention according to any one of claims 1 to 7, wherein the cover member opens downward as the bag body expands to support the expanded airbag from below. apparatus.

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