JPS5814360B2 - Swim bladder inflation device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a swim bladder inflation device, and more particularly to an automatic or manual swim bladder inflation device.

Conventionally, automatic or manual inflating devices for swim bladders have been known, and for example, such a type of inflating device is disclosed in Japanese Patent Publication No. 46-3942.

A more detailed explanation will be given with reference to FIGS. 1 to 3.

FIG. 1 shows a known compressed fluid introduction device 10 for introducing compressed fluid into the swim bladder.

The compressed fluid introduction device 10 includes a fluid pump 11 that stores compressed fluid, and a main body 12 to which the fluid cylinder 11 is attached.

The compressed fluid in the fluid cylinder 11 is sealed off by a sealing plate 13 .

A lever 14 is pivotally attached to the lower end of the main body 12 by a shaft 15, and when a string 16 attached to the lever 14 is pulled, a push rod 17 is pushed up, and then a needle mount 18 that comes into contact with the push rod 17 is pushed up, and the needle mount 18 that is in contact with the push rod 17 is pushed up. The needle 19 breaks through the sealing plate 13 and compressed fluid is introduced through the passage 20.21 into the swim bladder (not shown).

A seawater battery 22 is integrally attached to the main body 12, and when immersed in seawater, it generates electricity, and current flows through the conductor 23 to the ignition ball 24, causing the gunpowder 25 to explode.

When the gunpowder 25 explodes, it pushes up the needle mount 18 and automatically breaks through the sealing plate 13 as in the manual case, and compressed fluid is introduced into the swim bladder.

The disadvantage of this compressed fluid introduction device 10 is that the gunpowder and seawater batteries need to be replaced after about one can;
Since it was constructed integrally with the main body, it was difficult to replace only the gunpowder and seawater batteries, and in fact the entire main body had to be replaced.

FIG. 2 shows a known bladder release device 30 for use with the device of FIG.

The swim bladder release device 30 is composed of a retaining rod 32 that engages with a retainer 31 for packaging and holding the collapsed swim bladder, a storage cylinder 3:3 that stores the retaining rod 32, and a retaining rod mounting base 34, as shown in Figure 1. When the ignition ball 35 connected to the conductor 26 of the seawater battery 22 is energized by the seawater battery 22 and explodes the gunpowder 36,
The fastening rod mount 34 is pulled into the storage tube 33, the fastening rod 32 is disengaged from the fastener 31, and the float bladder is released.

The disadvantages of this known device for opening the swim bladder are that, like the device shown in Figure 1, it is not possible to replace only the gunpowder, so the entire device must be replaced, which is uneconomical; Among rings 37 and 3B, 0-ring 37
This means that the O-ring 38 must be attached slightly weaker than the O-ring 38 so that the retaining rod mount 34 can be easily pulled into the ladle in the event of an explosion, which requires complicated adjustment.

FIG. 3 shows a known fluid flow retention device 40 for use with the devices of FIGS. 1 and 2. As shown in FIG.

The fluid circulation holding device 40 is a device that prevents the air remaining in the folded bladder from expanding when the bladder is carried to a high altitude by, for example, an aircraft.

Reference numeral 50 indicates a fluid inlet pipe portion of the swim bladder.

The clamping portion 4 of the fluid flow holding device 40 is located between the caps 51 and 52.
1, pinch the introduction tube 53, and push the cap 51 up to the position shown, the internal valve (not shown) is opened and the inside of the swim bladder communicates with the outside air. Even if it expands, it escapes into the outside air.

On the other hand, when the seawater battery 22 is activated and current flows through the conductor 27, the ignition ball 42 of the fluid flow holding device 40 explodes the gunpowder 43, pushing out the pin 44, and the tip of the pin 44 is connected to the introduction tube 53.
Press to remove the fluid flow holding device 40. Then the base 5
1 moves in the direction of the arrow, the valve cuts off communication with the outside air, and the pressurized fluid entering through the passageway 2021 is introduced into the swim bladder through the conduit 54.

The disadvantages of this known fluid flow holding device 40 are that only the gunpowder cannot be replaced, but the entire device must be replaced, and the fluid introduction pipe of the swim bladder must be provided with a valve device that communicates with the outside air, and the device 40, which requires time and effort.

In the above-mentioned known expansion device, the desired effect cannot be achieved unless the compressed fluid introduction device, the float bladder opening device, and the fluid circulation holding device are used simultaneously, and each of these devices needs to be replaced every year or so. there were.

One object of the present invention is to provide a swim bladder expansion device in which only the gunpowder can be easily replaced.

Another object of the present invention is to provide a swim bladder inflation device in which only the seawater battery can be easily replaced.A further object of the present invention is to provide a swim bladder with a swim bladder opening device that does not require 0-J adjustment. Our purpose is to provide an expansion device. Still another object of the present invention is to provide a compressed fluid introduction device with a mechanism for communicating between the inside and the outside of the swim bladder, and to provide a fluid introduction pipe section of the swim bladder with a valve device that communicates with the outside air and a separate fluid flow holding mechanism. To provide a simple swim bladder inflation device that does not require installation of a device.

According to the present invention, there is provided a main body, a compressed fluid cylinder attached to the main body and sealed with compressed fluid by a sealing plate, a fluid passage for introducing the compressed fluid into the swim bladder, and a manual operation linked to a lever attached to the main body. a needle provided in the main body that can break through the blocking plate; a pedestal on which the needle is attached; and a pedestal chamber communicating with the fluid passage and slidably housing the pedestal in close contact with a side wall. , a gunpowder cartridge chamber that communicates with the pedestal chamber and into which a gunpowder cartridge can be detachably mounted, a seawater battery power unit that is detachably attached to the main body and electrically connected to the gunpowder cartridge, and an outside air and pedestal chamber. a small hole that communicates with the pedestal chamber and the outside air when the needle attached to the pedestal is in the position before breaking through the sealing plate, or a locking member provided at a position where the needle is blocked by the pedestal after it slides in the pedestal chamber due to an explosion of gunpowder and breaks through the sealing plate, and holds the pedestal in a position where the small hole is sealed. A compressed fluid introducing device comprising: a fastening rod for engaging a fastener for packaging and holding the folded swim bladder; a fastening rod mounting body for attaching the fastening rod so that it can be ejected; Provided is a swim bladder expansion device characterized by comprising a swim bladder opening device including a gunpowder cartridge detachably attached to the fastening rod mounting body and a conductor connecting the gunpowder cartridge and the seawater battery cartridge. .

The present invention will be described in more detail with reference to the accompanying drawings.

In FIG. 4, a compressed fluid introducing device used in the swim bladder inflation device of the present invention is indicated by the reference numeral 100.

The cylinder 111 stores compressed fluid such as compressed air, and is removably screwed onto the main body 112, and the sealing plate 1
13.

A lever 114 is pivotally attached to the lower end of the main body 112 by a shaft 115, and when a string 116 attached to the lever 114 is pulled, a push rod 117 is pushed up, and a pedestal 118 is brought into contact with the push rod 117.
The needle 119 that is pushed up and attached to the tip is the sealing plate 113.
The compressed fluid passes through the passage 120121 to the swim bladder (
(not shown).

The main body 112 has a seawater battery car-J Tsuji 122 as a cover 1.
50 and is detachably attached with a screw 151.

The main body 112 is provided with a gunpowder cartridge 152, into which a gunpowder cartridge 153 is removably screwed.

The gunpowder cartridge is filled with gunpowder 155, and the ignition ball 154 is connected to the seawater battery car 122 through a conductor.

When the seawater battery car J Tsuji 122 is immersed in seawater, current flows through the ignition ball 154 and the gunpowder explodes.

The explosive gas passes through the gunpowder cartridge chamber 152 and the passage 156, flows into the pedestal chamber 157, pushes up the pedestal 118, and the needle 119 at its tip breaks through the sealing plate 113, causing the compressed fluid to enter the float bladder as in the case of manual operation. In the compressed fluid introduction device of the present invention, the seawater battery and explosives can be easily replaced by replacing the cartridge, which is convenient and very economical.

As shown in FIG. 5, when the base 118 is in the position shown in FIG. 4 in the base chamber 157, that is, before the needle 119 breaks through the sealing plate 113,
The small hole 158 provided in 12 communicates the pedestal chamber 157 with the outside air, and since the pedestal chamber 157 and the passages 120, 121 communicate with each other, the inside of the swim bladder communicates with the outside air.

Therefore, even if the residual air in the swim bladder expands at high altitudes, it is discharged to the outside air.

Therefore, the known device 40 and special valve arrangement shown in FIG. closes the small hole 15B.

In this raised position, the locking member 160 is attached to the pedestal chamber 15.
7 by a spring 161 and protrudes from the lower surface of the lower end 162 of the pedestal 118 to hold down the pedestal 118.
The pedestal 118 is pushed back and the fluid within the bladder does not leak out through the small hole 158.

FIG. 6 shows a swim bladder opening device 130 used in the swim bladder inflation device of the present invention.

The swim bladder release device 130 includes a fastener 132 that engages with a fastener 131 for packaging and holding the folded swim bladder, a fastener attachment body 133 that attaches the fastener 132 so that it can be ejected, and the fastener 13.
The gunpowder cartridge 135 is removably screwed onto the retaining rod mounting body 133. Gunpowder 136 is contained in gunpowder cartridge 135.
and an ignition ball 137 are built-in, and the ignition ball 137 is connected to the conductor 13.
8 is connected to the conductor 163 of the seawater battery car 122.

When current flows from the seawater battery cartridge 122, the ignition ball 137 explodes the gunpowder 136, pushing the injection table 134 in the direction of the arrow, ejecting the abutting fastening rod 132 outward, and the fastening rod 132 is removed from the fastener 131. As a result, the swim bladder is released.

An O-J ring 139 is attached to the injection table 134 to prevent explosive gas from leaking.

Explosive gas escapes to the outside air through small holes 140.

Compared to the known device shown in FIG. 2, the swim bladder opening device 130 of the present invention does not use a type in which the retaining rod is retracted inward, so the above-mentioned O-Jing adjustment is unnecessary, and the explosive Since only the gunpowder cartridge needs to be replaced, it is very economical and can be easily replaced.

As described above, by using the swim bladder inflation device of the present invention, the swim bladder can be automatically inflated even if the crew member reaches the sea surface in a faint state.

In addition, in the swim bladder expansion device of the present invention, replacement parts such as the seawater battery and gunpowder can be easily replaced and are economical, so they can be replaced as needed to ensure their operation, and there is no need for a known fluid flow holding device. Therefore, extra equipment labor is saved, and the reliability of operation of the equipment is increased, providing additional advantages.

[Brief explanation of the drawing]

FIG. 1 is a partial cross-sectional view schematically showing a known compressed fluid introduction device, FIG. 2 is a cross-sectional view showing a known swim bladder opening device, and FIG. 3 is a partially cutaway perspective view showing a known fluid circulation holding device. be. FIG. 4 is a partial sectional view schematically showing a compressed fluid introducing device used in the swim bladder inflation device of the present invention, FIG. 5 is an enlarged sectional view taken along line 5-5 in FIG. 4, and FIG. It is a sectional view showing an outline of a swim bladder opening device used in a swim bladder expansion device. In the figure, 100 is a compressed fluid introduction device, 111 is a compressed fluid cylinder, 112 is a main body, 117 is a push rod, 118 is a pedestal,
119 is a needle, 122 is a seawater battery cartridge, 153 is a gunpowder cartridge, 158 is a small hole, 130 is a swim bladder opening device, 132 is a fastening rod, 133 is a fastening rod mounting body, and 135 is a gunpowder car-judge.

Claims (1)

[Claims] 1 a main body, a compressed fluid cylinder installed in the main body and sealed with compressed fluid by a sealing plate, a fluid passage for introducing the compressed fluid into the swim bladder, and a lever attached to the main body to manually operate the sealing plate. a needle provided in the main body that can break through, a pedestal on which the needle is attached, a pedestal chamber communicating with the fluid passage and slidably housing the pedestal in close contact with a side wall; A communicating gunpowder cartridge chamber into which a gunpowder cartridge can be detachably mounted, a seawater battery car which is detachably attached to the main body and electrically connected to the gunpowder cartridge, and a small hole which communicates the outside air with the pedestal chamber. The small hole communicates the pedestal chamber with the outside air when the needle attached to the pedestal is in the position before breaking through the sealing plate, and the pedestal is closed manually or by explosion of gunpowder. A compressed fluid provided at a position where the needle is sealed by a pedestal after it slides in the chamber and breaks through the sealing plate, and a locking member is provided for holding the pedestal in a position where the needle closes the V hole. An introduction device, a fastening rod for engaging a fastener for packaging and holding the folded bag, a fastening rod mounting body to which the fastening rod is attached so as to be ejectable, and a fastening rod device body containing gunpowder. 1. A swim bladder expansion device comprising: a gunpowder cartridge removably attached to a gunpowder cartridge; and a lead wire connecting the gunpowder cartridge and the seawater battery car IJ connector.