JPH06162362A - Liquid spray device - Google Patents

Abstract

PURPOSE:To prevent the occurrence of a splash phenomenon at the time of the end of spray by providing a nozzle from which liquid is sprayed and arranging a float in a vessel and providing a seat part for the float on the outflow side of the vessel. CONSTITUTION:When an operation signal is applied from an alarm device to a cylinder part 23, high-pressure gas is generated in a gas generation chamber 26 to push up a piston 28 up to the top face of a recessed part 18 of a valve box part 16 against a spring 33. A rod 29 is pushed up in accordance with this rise of the piston 28 and cuts a disk 42 by a cutter 31 provided in the upper end part and rises up to the inside of a through hole 39 of a receptacle part 35. The liquid in a cylinder 13 is sent under pressure to an elbow 34 through a passage by pressurizing gas and is sprayed from the nozzle. When the liquid surface falls by sending of the liquid under pressure, a floating float 43 falls together with the liquid surface and is pressed to an O-ring 41 of an inflow port 40 to close this port 41, and therefore, the liquid is stopped from flowing out.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a method in which, when a robber rushing into a store or the like escapes, a liquid serving as a marker for the robber is ejected at an exit or the like to adhere to clothes or the like, so that the criminal can be traced to the criminal when he or she is arrested. The present invention relates to a liquid ejecting apparatus installed in an exit of a store or the like in a security system that can be specified.

[0002]

2. Description of the Related Art Conventionally, commercial products have been put into practical use for spraying a blinding liquid with a spray when thrown by a robbery or throwing a liquid that stands out even at night. However, these are not necessarily guaranteed to hit the robber because the person attacked by the robber is psychologically upset, and they can also be a powerful clue to trace the criminal. There wasn't.

As means for solving such a problem, for example, in Japanese Patent Laid-Open No. 3-156696, a liquid ejecting apparatus is installed near a doorway of a building or the like, and a robbery person or a person who attempts to illegally enter the building. It is difficult to clean the body and clothes, and at the same time, a liquid with a light-emitting property or a liquid with a foul odor is sprayed and adhered at night, and the light-emitting property and the odor of these liquids are used as clues to play the role of arresting the criminal. It is stated that it is possible.

[0004]

The above idea is extremely effective in arresting criminals and preventing crimes. However, the structure of the liquid ejecting apparatus and how Even if there are many problems to be solved, such as how to spray the liquid, or how to prevent the sprayed liquid from contaminating the displayed products when it is installed in a store, etc. I haven't touched on the problem at all.

The present invention has been made to solve the above-mentioned problems, and is installed in a store or the like to effectively inject a liquid serving as a mark without scattering it to the surroundings, which is effective in arresting and criminalizing a criminal. The purpose of the present invention is to obtain a liquid ejecting apparatus capable of playing.

[0006]

A liquid ejecting apparatus according to the present invention has a container filled with a liquid and a nozzle for ejecting the liquid, a float is provided in the container, and a float is provided on the outflow side of the container. The seating part is provided.

[0007]

When the robber who robbed the metal item approaches the doorway, the valve is opened and the liquid in the container is ejected from the nozzle and adheres to the clothes of the criminal. When the liquid is jetted and the liquid level is lowered, the float in the container or the valve is also lowered together with the liquid level, and is pressed against the seating portion to block the liquid flow path and stop the jetting of the marker.

[0008]

[Embodiment] The liquid ejecting apparatus according to the present invention, when a criminal such as a robbery attacks a financial relationship, a convenience store, a supermarket, etc. (hereinafter referred to as a store), the criminal is traced, found, and arrested after the escape. In order to make it easier for the criminal, in order to make it possible to chase, find and arrest the criminal as soon as possible by injecting a liquid as a mark toward the criminal in the process of opening the store from the criminal's store. To do.

FIG. 8 is a schematic view showing an example of a state in which the liquid ejecting apparatus according to the present invention is installed in the vicinity of an entrance / exit of a store, and FIG.
FIG. 3 is a block diagram showing the configuration of the system. The store 1 has a double door 2 at its entrance,
A counter 3 and a large number of product display shelves and the like (not shown) are provided inside. The counter 3 is normally provided with a start-up switch 4 that is operated by a store clerk and is operated when a robbery or the like invades an appropriate position. The start switch 4 may be of a manual type or a foot operated type, and is provided in a place that can be easily operated by a store clerk and is difficult for a criminal to see, and is connected to an alarm device (A / A) 5 by a signal line. ing.

A door control device (D / C) 6 for controlling the opening and closing of the door 2 is installed near the door 2 of the entrance / exit of the store 1. Further, when viewed from the outside of the entrance / exit, there is a person Is provided with an entrance human body detection sensor 7 for detecting the entrance of
An exit human body detection sensor 8 for detecting the opening of a person is provided on the exit side when viewed from the inside of the entrance / exit store. The door control device 6 is connected to the alarm device 5 via a signal line, and the entrance human body detection sensor 7 and the exit human body detection sensor 8 are connected to the door control device 6 via signal lines, respectively. It is connected to the alarm device 5 via the control device 6.

Further, near the door 2 of the entrance / exit, a liquid ejecting apparatus 10 for adhering a liquid serving as a mark to clothes of the criminal when the criminal escapes from the store is installed by a signal line. It is connected to the alarm device 5 via the door control device 6. In FIG. 9, 9a is an alarm device 5.
An alarm lamp, 9b, is also connected to the bell.

In the crime prevention system configured as described above, when a robbery enters the store 1, the store clerk turns on the activation switch 4 by hand or foot. As a result, the activation signal is sent to the door control device 6 via the alarm device 5, and if the door 2 at the doorway is in the open state, it is immediately closed. Further, at this time, the entrance human body detection sensor 7 is in a non-operating state,
That is, it is turned off.

When a robber robs of a metal item or the like and escapes toward the doorway and approaches the door 2, the exit human body detection sensor 8 detects this and sends a signal to the door control device 6, and the door 2 controls the door. The opening operation is performed at a speed reduced by a command from the device 6.
For this reason, the criminal is forced to stop inside the door 2 until the door 2 has an opening degree through which the door 2 can pass.

At this time, the liquid ejecting device 10 is activated by a command from the alarm device 5 and ejects the liquid serving as a mark to the culprit who is standing still to adhere to clothes or the like. In this way, the criminal escapes through the opening of the door 2 opened with the liquid attached, so that the criminal can be identified by the liquid attached to clothes or the like when the criminal is tracked or arrested.

FIG. 1 is a vertical sectional view of an embodiment of a liquid ejecting apparatus according to the present invention, FIG. 2 is a sectional view taken along line AA, and FIG. 3 is a sectional view of FIG.
-B is an enlarged sectional view. In the figure, 11 is a cover 60.
Body covered with, 12 is a frame with a U-shaped cross section, 12
a is a bottom plate fixed to the floor. 13 is, for example, a cylinder in which a mixed solution (hereinafter referred to as a liquid) of a fluorescent dye-dyed emulsion, a water-soluble acrylic resin and propylene glycol is pressure-filled with a gas such as nitrogen, and an injection valve unit 15 is connected to the lower portion. Has been done. Reference numeral 49 is a pressure gauge that is attached to the upper portion of the cylinder 13 and indicates the internal pressure of the cylinder 13.

FIG. 4 is a longitudinal sectional view of an embodiment of the injection valve unit 15, and FIG. 5 is a sectional view taken along the line CC of FIG. 5, in which the injection valve unit 15 includes a valve box portion 16, a cylinder portion 23 and a socket portion 3.
It consists of 5. The valve box portion 16 has a substantially convex cross section, has a hexagonal tightening portion on the outer circumference, and a male screw 1 is provided on the upper small diameter portion.
7 is provided, and a concave portion 18 having an internal thread 19 is formed on the inner periphery of the lower central portion. Reference numeral 20 is a through hole provided in the central portion, which is a first large diameter portion 21 continuous with the recess 18.
And a second large-diameter portion 22 that is independently formed above it.

The cylinder portion 23 has a substantially convex cross section, has a hexagonal tightening portion on the outer circumference, and the male screw 2 is provided at the upper small diameter portion.
4 is provided, a cylinder 25 is formed in the central portion on the male screw 24 side, and a gas generation chamber 26 that is continuous with the cylinder 25 and has a smaller diameter than the cylinder 25 is formed in the lower portion of the cylinder 25.
Is provided. A male screw 24 of the cylinder portion 23 is screwed to a female screw 19 of the valve box portion 16 via a gasket 27, and is integrally connected to the valve box portion 16. The gas generation chamber 26 is configured to generate high-pressure gas in the gas generation chamber 26 by, for example, sodium azide that generates nitrogen gas by applying a voltage.

Reference numeral 28 is a piston arranged in the cylinder 25 of the cylinder portion 23, 29 is a rod having a lower end coupled to the piston 28, and a hollow portion 30 is provided upward from a substantially central portion.
And a cutter 31 is provided at the upper end. Reference numeral 32 is a plurality of openings provided in the lower portion of the hollow portion 30, 33 is a spring interposed between the top surface of the first large diameter portion 21 and the piston 28, which is connected to the piston 28 and this. The rod 29 is always urged downward. Reference numeral 34 is an elbow that is connected to the second large diameter portion 22 and is attached to the valve box portion 16.

The socket portion 35 has a substantially convex cross section, has a hexagonal tightening portion on the outer circumference, and the cylinder 1 is attached to the upper small diameter portion.
A male screw 36 to which 3 is connected is provided, and a recess 37 having a female screw 38 on the inner circumference is formed in the lower portion.
Reference numeral 39 is a through hole provided in the central portion, and the diameter of the upper portion is sequentially expanded to form a funnel-shaped inlet 40, an O-ring 41 is provided on the inner peripheral surface of the inlet 40, and the float 43 is seated. Make up part. A female screw 38 is screwed into the male screw 17 of the valve box portion 16 via a disc 42 made of a thin metal plate, and the socket portion 35 and the cylinder portion 23 constitute the injection valve unit 15 together. ing. At this time, the through hole 39 of the socket portion 35 is not
6 is aligned with the through hole 20, but is blocked by the disk 42.

43 is a float made of synthetic resin housed in the cylinder 13, 44 is a pressurizing port provided in the socket portion 35 for pressurizing a pressurized gas into the cylinder 13, and 45 is a pressurizing port 4.
4 are screwed into the plug 4, 46 and 47 are pores that connect the pressure port 44 and the through hole 39, and 48 is a spool that closes the pores 46 and 47.

Next, the operation of the injection valve unit 15 constructed as described above will be described with reference to FIGS. In the initial state, each component is in the state shown in FIG. 4, and in the cylinder 13 containing the liquid, for example, nitrogen gas is introduced from the pressurizing port 44 through the pores 46 and 47 and the through hole 39 of the socket 35 into the cylinder 13. A gas for pressurization such as is introduced to hold the liquid in a pressurized state. Then, the spool 48 allows the fine holes 46, 47 to be formed.
Is closed, and the pressure port 44 is closed by the plug 45. At this time, the float 43 floats on the liquid surface of the liquid.

Now, when an activation signal is applied from the alarm device 5 to the cylinder portion 23, a high pressure gas is generated in the gas generating chamber 26, and as shown in FIG. Push up until it contacts the top surface of the recess 18 of the portion 16. As the piston 28 rises, the rod 29 is also pushed up, the cutter 31 provided at the upper end cuts the disc 42, and rises into the through hole 39 of the socket 35.
At this time, the plurality of openings 32 provided in the rod 29 are
Located in the large diameter portion 22 of the cylinder 13, the socket portion 35
Through hole 39, hollow portion 30 of rod 29, opening 32,
The second large diameter portion 22 and the elbow 34 communicate with each other.

As a result, the liquid in the cylinder 13 is pressure-fed by the pressurizing gas to the elbow 34 through the above-mentioned passage and is ejected from the nozzle described later. When the liquid is pumped and the liquid level is lowered, the floating float 43 also descends together with the liquid level and is pressed against the O-ring 41 of the inflow port 40 to close the inflow port 40 as shown in FIG. Spill will cease. When the liquid pressurized as described above is ejected from the nozzle, when the amount of the liquid is reduced, the pressurizing gas is ejected together with the liquid, so that the liquid scatters due to the splash phenomenon. However, in the present invention, the pumping of the liquid is stopped by the float before the liquid runs out, so that the liquid mixed with the pressurizing gas is not jetted and the splash phenomenon does not occur. The float 43 is preferably made of synthetic resin because it has excellent adhesion to the O-ring 41, but other materials may be used, and the shape of the contact surface between the float 43 and the O-ring 41 is also appropriate. Can be changed.

Referring again to FIGS. 1 to 3, 50a and 50b
Fixed to the frame 12 by screws 1
With one or two or more holders, these holders 50a, 50
A pipe 51, one end of which is connected to the elbow 34 of the valve box portion 16, is connected to b, and nozzles 52a and 52b are also connected.
Are detachably attached. The nozzles 52a and 52b have a structure in which the liquid is ejected in the shape of a rod or a fan with a narrow angle, and the depression / elevation angle is the holder 18
It is determined by fixing to a and 18b. 53 is a holder 5
0b, a pressure switch for detecting the outflow of the liquid ejected from the nozzles 52a, 52b, 54 is attached to the frame 12, a terminal block for transmitting and receiving signals,
55 is a signal line connecting the terminal block 54 and the cylinder portion 23,
A signal line 56 connects the terminal block 54 and the pressure switch 53. The terminal block 54 is connected to the alarm device 5 via a signal line.
It is connected to the.

As shown in FIG. 7, the cover 60 for covering the main body 11 has a large number of small through holes 61 formed on the front surface thereof, for example, a logo mark of a manufacturer, a store name or a pattern, of which the nozzle is included. Recesses 62 are provided inside the through holes 61a and 61b corresponding to 52a and 52b. In addition, the through hole 61 is formed by the nozzles 52a, 5
You may provide as many as 2b. And cover 6
When the main body 11 is covered with 0, as shown in FIG. 3, the nozzles 52a and 52b can be easily positioned by simply fitting the nozzles 52a and 52b into the recess 62.
It faces 61b. Therefore, when viewed from the front, only the many through holes 61 can be seen, and the nozzles 52a, 52
I do not know that b exists. If the surface of the frame 12 that abuts the cover 60 and the front surfaces of the nozzles 52a and 52b are black or dark, the nozzles 52a and 52b are not formed.
It is effective because it can make the existence of the item more difficult to understand.

Reference numeral 57 designates a pillar standing upright on the bottom plate 12a of the main body 11, and 63 a screw which is opposed to the pillar 57 and is screwed into a screw hole 64 provided in the cover 60.
The nozzles 52a and 52b can be reliably held in the recess 62 by accommodating them inside and screwing in the screws 63, contacting the support columns 57 and pulling the front plate of the cover 60 toward the frame 12 side. In addition, the support post 57 and the screw 63 are used for the cover 6
You may provide in multiple numbers in the height direction of 0.

Next, the operation of the present invention will be described. The liquid ejecting apparatus 10 configured as described above is installed in the vicinity of the entrance / exit of the store 1 as shown in FIG. 8, the cylinder 13 is filled with the pressurized liquid, and the valve of the valve box 16 is closed. Is closed. Now, when a robber robbed a metal item and came to the front of the door 2, the door 2 was decelerated and opened, so that the criminal paused in front of the door 2. The exit human body detection sensor 8 detects this and sends the detection signal to the alarm device 5 via the door control device 6, and the alarm device 5 issues an operation command to the liquid ejecting apparatus 10 based on this signal. This command is applied to the cylinder portion 23, and the cylinder portion 23 generates high pressure gas by this signal, and opens the valve box portion 16.

When the valve box 16 is opened, the cylinder 13 and the pipe 51 communicate with each other, the pressurized liquid in the cylinder 13 is pumped to the pipe 51, and the nozzles 52a and 52b are rod-shaped or fan-shaped toward the criminal. Eject a liquid that serves as a mark of the and attach it to the criminal's clothes. When the liquid is jetted from the nozzles 52a and 52b and the liquid level of the liquid in the cylinder 13 is lowered, the floating float 43 is lowered to close the passage of the valve box portion 16 and a part of the liquid is stored in the cylinder 13. The injection is stopped in the state where is left. On the other hand, when the door 2 is opened, the criminal escapes with the liquid serving as a mark attached to clothes and the like.

In the above description, the case where the injection valve unit 15 is configured as shown is shown, but the injection valve unit 1
The number 5 is not limited to the above-described embodiment, and may be appropriately changed by using an electric valve or a hydraulic valve as the valve. Further, although the case where the seating portion of the float 43 arranged in the cylinder 13 is provided at the inflow port 40 of the injection valve unit 15 has been shown, it may be provided at the outflow side of the cylinder 13 and the float 43 is further provided. Although the case where it is arranged inside is shown, a cylindrical portion having a diameter larger than the diameter of the float 43 may be provided above the injection valve unit 15, and the float 43 may be arranged inside this cylindrical portion.

[0030]

As described above in detail, the liquid ejecting apparatus according to the present invention has the container filled with the liquid, the nozzle for ejecting the liquid, the float is disposed in the container, and the outflow of the container. Since the float seat valve is provided on the side, not only can the liquid be reliably sprayed onto the criminal to adhere to the clothes, but also the splash phenomenon that occurs at the end of the spray can be prevented. For this reason, the liquid ejected from the nozzle can be concentrated in a narrow area without being scattered, so that it does not adhere to and contaminate stores and products, and it is possible to effectively track, find, and arrest the escaped criminal. In addition, the crime prevention effect can be enhanced.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

3 is an enlarged sectional view taken along line BB of FIG.

FIG. 4 is a vertical cross-sectional view of an embodiment of an injection valve unit that forms the main part of the present invention.

5 is a cross-sectional view taken along line CC of FIG.

FIG. 6 is an explanatory view of the operation of FIG.

FIG. 7 is a front view of FIG.

FIG. 8 is a schematic view showing a state where the liquid ejecting apparatus according to the present invention is installed in a store.

9 is a block diagram showing the system configuration of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Liquid injection device 11 Main body 12 Frame 13 Cylinder 15 Injection valve unit 16 Valve box part 20,39 Through hole 23 Cylinder part 25 Cylinder 26 Gas generation chamber 28 Piston 29 Rod 30 Hollow part 31 Cutter 32 Opening part 33 Spring 35 Socket part 40 Inlet 42 Disk 43 Float 50a, 50b Holder 51 Pipe 52a, 52b Nozzle

Front Page Continuation (72) Inventor Toshihiko Sato 6-11-23 Shimorenjaku, Mitaka City, Tokyo SECOM Co., Ltd. (72) Inventor Jun Fujimoto 6-11-23 Shimorenjaku, Mitaka City, Tokyo Secom Co., Ltd. (72) ) Inventor Jun Uchiyama 4-7-3 Dandan Minami, Chiyoda-ku, Tokyo Inside Nomi Disaster Prevention Co., Ltd. (72) Nobuo Yamada 1-310 Kitahonmachi, Itami City, Hyogo Prefecture Koat Co., Ltd.

Claims (1)

[Claims] 1. A container having a liquid filled therein and a nozzle for injecting the liquid, wherein a float is disposed in the container or on an inflow side of a valve, and the float is seated on an outflow side of the container. A liquid ejecting apparatus comprising a portion.