KR101309249B1 - Apparatus for controlling buoyancy for scuba diving - Google Patents

Abstract

The present invention provides a buoyancy control device for scuba diving, which can detach one or more air tanks individually or simultaneously, comprising: a partition cloth forming a boundary between a front side and a rear side; The buoyancy unit is integrally coupled with the bulkhead fabric and is formed in the form of a shoulder bag which can be attached to the shoulder through a buoyancy unit formed to inject or discharge air therein along the outer edge and a shoulder band coupled to both sides of the top of the bulkhead fabric. The rear surface of the adjusting device includes a back plate integrally coupled with the bulkhead fabric, so that a single mount for mounting one air tank on the back plate of one buoyancy control device, a double mount for mounting two air tanks, It can also be used simultaneously for side mount to mount air tanks on both sides.

Description

Buoyancy control device for scuba diving {APPARATUS FOR CONTROLLING BUOYANCY FOR SCUBA DIVING}

The present invention relates to a buoyancy control device for scuba diving, and more particularly, in the form of a shoulder bag that can be tied to the shoulder of the diver and through one buoyancy control device having a back plate on the back, one air on the back A single mount for mounting a tank, a double mount for mounting two air tanks, and a side mount for mounting an air tank on both sides, and a buoyancy control device for scuba diving that can detach one or more air tanks simultaneously.

In general, scuba diving is a leisure sport that allows people to experience deep water through diving by breathing in the water by using an air tank without directly supplying air from the atmosphere.

An air tank is absolutely necessary for such scuba diving, and the air tank is used to be mounted on a buoyancy control device to smoothly move when diving in the deep sea.

Meanwhile, an example of a conventional scuba diving air tank is disclosed in Korean Utility Model Publication No. 1992-0000654.

1 to 3, the conventional scuba diving air tank, the support (2) by the pin (3) to the protrusion (101) protruding on one side of the air tank 1, the support ( 2) the propeller 4 is rotatably attached to the shaft 5 and the upper part of the supporter 2 protrudes the inlet pipe 201 screwed with the valve 6 to the outlet 102 of the air tank 1. The turning key 8 connected to the hose 7 and fixed to the support 2 is configured to allow the turning key 8 to displace the propeller 4 through the control lever 9. .

In the conventional scuba diving air tank, as shown in FIG. 2, the valve 6 is locked and the swimming speed is increased by the body motion and the webbed 10 without the direction key 8 being held by the hand, and the swimming speed is accelerated. If necessary, turn the screwed valve 6 with the hands behind the body. As shown in Fig. 3, the opening of the inlet pipe 201 is opened and at the same time the compressor 4 is compressed in the air tank 1. The propeller 4 is rotated and the propeller 4 is rotated accordingly to generate a propulsion force. Next, the propeller 4 is operated by holding the turning key 8 by hand as shown in FIG. The angle of (4) may be shifted up or forward by displacing the desired angle. When fast swimming is not necessary, the valve 6 may be turned with the hands behind to seal the life of the inlet pipe 201 in the state of FIG. 2. It works.

Republic of Korea Utility Publication No. 1992-0000654 (Name: Scuba diving air tank, Applicant: Kim Dong-gi, Publication date: 1992, 01, 27)

However, the conventional scuba diving air tank as described above is not provided with a buoyancy control device that allows the diver to float smoothly and move smoothly, and only one air tank is used. For example, there is a problem that can not be submerged in the deep sea more than 40m.

In addition, according to the technique applied to the conventional scuba diving, for example, if you want to dive for a long time in the deep sea of more than 40m, it is necessary to separately prepare a plurality of buoyancy control device corresponding to the number of air tanks, Not only is it time-consuming and less flexible as the situation changes, there are also economic problems.

The present invention is to solve the above problems, the object of which is configured in the form of a shoulder bag through a buoyancy control device having a back plate on the back, a single mount for mounting one air tank on the back plate and It is to provide a buoyancy control device for scuba diving that can detach one or more air tanks at the same time for a double mount for mounting two air tanks and for a side mount for mounting an air tank on both sides.

In addition, another object of the present invention is to adjust the shoulder straps of the buoyancy control device detachably from the front and back, and tightly press the volume of the buoyancy control device through a plurality of tightening straps, divers in narrow places such as deep sea caves It is to provide a buoyancy control device for scuba diving that can smoothly move.

In order to achieve the above object, the buoyancy adjustment device for scuba diving according to an aspect of the present invention, the partition fabric forming a boundary between the front and back; The shoulder through the buoyancy portion 120 and the shoulder strap 130 coupled to both sides of the top of the partition fabric 110 is formed integrally coupled with the partition fabric 110 and to inject or discharge air therein along the outer periphery. A buoyancy control device for scuba diving configured in the form of a shoulder bag to be attached to, the back of the buoyancy control device includes a back plate 140 integrally coupled with the bulkhead fabric 110, the rear plate of 140 Insert one end of the cam buckle 149 coupled to the band in the band slot portion 143 formed on the upper surface, and tighten the cam buckle 149 by placing the air tank 150 on the band slot portion 143 As a result, the air tank 150 is mounted on the back plate 140.

In addition, the buoyancy control device for scuba diving according to another aspect of the present invention, the partition fabric forming a boundary between the front and rear surfaces (110); Buoyancy for scuba diving coupled to the bulkhead fabric 110 and configured in the form of a shoulder bag that can be attached to the shoulder through the buoyancy portion 120 and the shoulder strap 130 formed to inject or discharge air therein along the outer periphery As an adjusting device, the rear surface of the buoyancy control device includes a back plate 140 integrally coupled with the bulkhead fabric 110, the "8-way" type connecting plate 152 formed with a through hole 151 in the center The two air tanks 150 are coupled to each other, and the second through hole 142 formed in the through hole 151 and the back plate 140 and the first through hole 114 formed in the partition cloth 110 are formed. After inserting the connecting bolt 153 through the () and then fastening the nut 155 on the side of the partition cloth (110) to mount the two air tanks 150 on the back plate 140.

In addition, the buoyancy adjustment device for scuba diving according to another aspect of the present invention, the partition fabric forming a boundary between the front and rear surfaces (110); Buoyancy for scuba diving coupled to the bulkhead fabric 110 and configured in the form of a shoulder bag that can be attached to the shoulder through the buoyancy portion 120 and the shoulder strap 130 formed to inject or discharge air therein along the outer periphery As a regulating device, the back of the buoyancy control device includes a back plate 140 integrally coupled with the bulkhead fabric 110, the air tank 150 is wrapped around the band 160 in the upper and lower, and the air A side fastening strap 146 is inserted between the tank 150 and the band 160, and an O ring 147 connected to one end of the side fastening strap 146 is formed on the top surface of the back plate 140. The buoyancy portion by engaging with the side fastening bar 145 coupled to the 144, snap bolt-shaped clasp 148 connected to the other end of the side fastening strap 146 fixed to the back plate 140 Mount the air tank 150 on both sides of the (120).

On the other hand, buoyancy control device for scuba diving according to another aspect of the present invention, the partition fabric forming a boundary between the front and rear surfaces (110); Buoyancy for scuba diving coupled to the bulkhead fabric 110 and configured in the form of a shoulder bag that can be attached to the shoulder through the buoyancy portion 120 and the shoulder strap 130 formed to inject or discharge air therein along the outer periphery As a regulating device, a back plate of the buoyancy control device includes a back plate 140 integrally coupled with the bulkhead fabric 110, the back plate 140 through the wall-shaped keeper 131 A second shoulder strap binding strap 141 having one end coupled to an upper end portion of the back plate 140 and a first through hole 114 formed in the partition fabric 110 so that the shoulder strap 130 can be attached and detached. A plurality of second through holes 142 are formed to be inserted when the two air tanks are mounted, and the cloth is attached to the upper surface of the back plate 140, and the air tanks can be wrapped tightly. Accommodate and retain band-shaped cambuckles The band slot 143, the D ring 144 coupled by a plurality of connecting ring formed at a predetermined interval on the top surface of the back plate 140, and one end and the other end through the back plate 140 The side fastening bar 145 is detachably coupled.

According to the buoyancy control device for scuba diving according to the present invention, even when diving in the deep sea, it is possible to attach and detach several air tanks through one buoyancy control device, there is a flexible and economical advantage to the dive preparation.

In addition, when diving in shallow seas for leisure purposes, the shoulder straps are worn from the front. For example, when diving deep seas or caves over 40m, the shoulder straps are fastened from the back. By tightening the buoyancy control device to minimize the resistance of the volume and water, it is possible to smoothly move the diver even in narrow places such as deep sea caves.

Other objects and advantages of the present invention will become apparent from the detailed description of the embodiments with reference to the attached drawings.

1 is a perspective view showing a conventional scuba diving air tank.
2 and 3 are cross-sectional views for explaining the operation of the conventional scuba diving air tank.
4 to 6 is a view showing an example of the front of the buoyancy adjustment device for scuba diving according to the present invention.
7 is a view showing an example of the back of the buoyancy control device for scuba diving according to the present invention.
8 is a view showing another example of the front and rear surfaces of the buoyancy control device for scuba diving according to the present invention and an example when air is filled in the buoyancy portion.
9 is a view for explaining the buoyancy adjustment device for scuba diving according to the first embodiment of the present invention.
10 is a photograph showing a buoyancy control device for scuba diving to which the first embodiment of the present invention is applied.
11 to 14 are views for explaining a buoyancy adjustment device for scuba diving according to a second embodiment of the present invention.
Figure 15 is a photograph showing a buoyancy adjustment device for scuba diving to which the second embodiment of the present invention is applied.
16 is a view for explaining a buoyancy adjustment device for scuba diving according to a third embodiment of the present invention.
Figure 17 is a photograph showing a buoyancy adjustment device for scuba diving to which the third embodiment of the present invention is applied.

Hereinafter, with reference to the accompanying drawings will be described in detail embodiments of the buoyancy control device for scuba diving according to the present invention.

First, it should be noted that, in the drawings, the same components or parts have the same reference numerals as much as possible. In addition, in describing the present invention, a detailed description of related known configurations or functions will be omitted so as not to obscure the subject matter of the present invention.

4 to 6 is a view showing an example of the front of the scuba diving buoyancy control device according to the invention, Figure 7 is a view showing an example of the back of the scuba diving buoyancy control device according to the invention, Figure 8 Another example of the front and rear surfaces of the buoyancy control device for scuba diving according to the present invention and a view showing when the air is filled in the buoyancy portion.

As shown in Figure 4 to 8, the buoyancy control device for scuba diving according to the present invention, the partition fabric 110 forming a boundary between the front and back is formed, is integrally coupled with the partition fabric (110) A buoyancy portion 120 is formed to inject or discharge the air inside the outer edge portion, the diver is configured in the form of a shoulder bag that can be tied to the shoulder through the shoulder strap (130).

At this time, the front surface of the partition fabric 110 is pushed inward of the buoyancy portion 120 in the shape of a concave portion, the back surface is formed flat, for example, the shape of a rubber boat.

Specifically, the front portion of the buoyancy adjustment device for scuba diving, one end is sewn to the upper end of the partition fabric 110 to be detachable to the shoulder straps 130 through the wall-shaped keeper 131 1 shoulder strap binding strap 111 and a plurality of equally spaced at the right and left of the partition fabric 110, the first end of the fastening strap 123 of the buoyancy portion 120 to be described later is knotted so as not to escape Bolt and nut-type fastening means 113 formed on the upper and lower portions of the partition fabric 110 so as to integrally couple the fastener 112, the partition fabric 110 and the back plate 140 to be described later, and First and second holes 114 formed in the upper and lower portions of the barrier rib 110 and formed so that connection bolts can be inserted when two air tanks are mounted, and one end and the other end are coupled to the lower end of the barrier rib 110 by sewing. A belt 115 filled by the buckle to surround the waist of the diver, A cushion is sewn to one end of the barrier fabric 110 to cover and protect the barrier fabric 110 so as not to stimulate the back of the diver when the buoyancy control device is worn, and the cushion is detachable in a velcro manner with the barrier fabric 110. Endothelial 116.

Meanwhile, the buoyancy portion 120 is formed at one end of the buoyancy portion 120 so as to correspond to the mouthpiece 121 for injecting and discharging air and the first fastener 112 formed at the partition fabric 110. The first and second fasteners 122 and the second fasteners 122 formed at a plurality of equal intervals on one side, and the first and second fasteners 112 and 122 through the one end and the other end is formed so as not to fall off the buoyancy portion 120 In the case of injecting air into the buoyancy unit 120 by wrapping a), the buoyancy unit includes a plurality of tightening straps 123 that minimize the resistance of the water by simultaneously tightening and tightly spreading.

On the other hand, the rear portion of the buoyancy control device for scuba diving, as shown in Figure 7, the upper and lower bolt and nut type fastening means 113 formed in the back plate 140 coupled to the partition fabric (110) Including, but the back plate 140 is formed through a synthetic resin and the like so as to support the combination of one or more air tanks, for example, is coated with nylon fibers.

Specifically, the back plate 140 is fastened to the upper end of the back plate 140 so that the shoulder strap 130 can be detached through the wall-shaped keeper 131 is coupled to the second shoulder strap A string 141 and a second through hole 142 which is formed in the upper and lower portions so as to correspond to the first through hole 114 formed in the partition fabric 110 so that connection bolts can be inserted when two air tanks are mounted; A plurality of band slots 143 are formed by a cloth added to the upper surface of the back plate 140 to accommodate and hold a band-type cambuckle to wrap and hold the air tank, and the back plate 140. D-ring 144 coupled by a plurality of connecting ring formed at a predetermined interval on the upper surface of the) and the reverse U-shaped one end and the other end is detachably fixed by bolts and screws through the back plate 140 Including a side fastening bar 145 of the shape, screwed to the D ring 144 The side fastening straps 146 for coupling the O-rings 147 that can be opened and closed with a snap bolt-type clasp 148 to the side fastening bars 145 are fastened to a band wrapped in an air tank, and then buoyant. It is possible to bind the air tank on both sides of the (120).

Meanwhile, the shoulder strap 130 may be selectively coupled to and tied to the first shoulder strap binding strap 111 formed on the barrier rib fabric 110 or the second shoulder strap binding strap 141 formed on the back plate 140. D formed integrally through a hook on the shoulder strap 130 so as to be able to fasten the formed wall keeper 131 and any one of the diving accessories of a flashlight, a compass, a water gauge, a pressure gauge and a pocket necessary for diving. Ring 133.

At this time, the other end of the both ends of the shoulder strap 130, is coupled through the strap and the female and female fastening means 134 fixedly coupled to the lower end of the partition fabric 110 or is directly coupled to the lower end of the partition fabric by the diver's It is formed across the shoulders.

Hereinafter, embodiments of the application of the buoyancy control device for scuba diving according to the present invention will be described with reference to FIGS. 4 to 8 and 9 to 17.

≪ Embodiment 1 >

9 is a view for explaining the buoyancy control device for scuba diving according to the first embodiment of the present invention, Figure 10 is a picture showing a buoyancy control device for scuba diving applied to the first embodiment of the present invention.

9 and 10, the buoyancy adjustment device for scuba diving according to the first embodiment of the present invention, the band type cambuckles 149 in the band slot portion 143 formed on the upper surface of the back plate 140 ), One air tank on the back plate 140 of the buoyancy control device by placing the air tank 150 on the band slot portion 143 and tightening the cambuckle 149. Is to install.

At this time, the band slot portion 143 is attached to the upper surface of the back plate 140, a plurality of which is formed in the upper and lower portions of the back plate 140 by a cloth spaced apart.

Here, in the first embodiment, a band-type cambuckle 149 is described as an example of mounting the air tank 150 on the back plate 140, but the air tank 150 is the back plate. It is of course possible to use other detachable means, such as a quick release buckle, as long as it can be securely mounted so as not to fall on the 140.

In addition, the first embodiment is described as mounting the air tank 150 by inserting the cam buckle 149 into the band slot portion 143 formed separately, bolt and nut type fastening means 113 formed on the upper and lower parts Bar space is formed between the barrier rib fabric 110 and the back plate 140 coupled to the upper and lower portions by), the cam buckle 149 is inserted between the space to mount the air tank 150. It may be.

In addition, the buoyancy control device according to the first embodiment uses one air tank 150 to submerge at a relatively shallow depth of 40m or less, as shown in FIG. 130 is preferably attached to the front of the buoyancy control device by tying the first shoulder strap binding strap 111 coupled to the partition fabric 110 by being intertwined with the wall-shaped keeper 131.

≪ Embodiment 2 >

11 to 14 are views for explaining the buoyancy control device for scuba diving according to the second embodiment of the present invention, Figure 15 is a picture showing a buoyancy control device for scuba diving to which the second embodiment of the present invention is applied.

11 to 15, the buoyancy control device for scuba diving according to the second embodiment of the present invention, the through-hole 151 is formed in the center of the cylindrical connecting plate to form a "8-shaped" left and right Removably couples the two air tanks 150 by 152, and coincides with the second through-holes 142 formed in the upper and lower portions corresponding to the first through-holes 114 formed in the partition fabric (110). After arranging the through hole 151 of the connecting plate 152, the second through hole 142 of the through hole 151, the back plate 140, and the first through hole of the partition fabric 110 ( By inserting the rod-type connection bolt 153 into the 114, and fastened by the nut 155, the two air tanks 150 are mounted on the back plate of the buoyancy control device.

At this time, the threaded end portion of the connecting bolt 153 is fastened with the nut 155 through the support plate 154 padded on the inner side of the partition fabric 110, so that the nut 155 is partition wall fabric 110. Prevent deviations from

Here, the buoyancy control device according to the second embodiment uses two air tanks 150 to dive for a long time at a relatively deep depth of 40m or more, for example, the shoulder strap 130 in the present embodiment is the rear surface It is preferable to be attached to the back of the buoyancy control device by tying the second shoulder strap binding strap 141 coupled to the plate 140 by being tied to the wall-shaped keeper 131.

That is, as the shoulder strap 130 is mounted on the back plate 140 and extended to the front, the buoyancy portion 120 by pressing the buoyancy portion 120 tightly by the weight of the back and the air tank 150 of the diver. Reduce the volume of the divers to facilitate the movement of divers.

≪ Third Embodiment >

16 is a view for explaining a buoyancy adjustment device for scuba diving according to a third embodiment of the present invention, Figure 17 is a photograph showing a buoyancy adjustment device for scuba diving to which the third embodiment of the present invention is applied.

As shown in Figure 16 and 17, the buoyancy adjustment device for scuba diving according to the third embodiment of the present invention, wraps the air tank 150 in the upper and lower bands 160, the air tank 150 The side fastening strap 146 is inserted between the band 160 and a plurality of O-rings 147 connected to one end of the fastening strap 146 at regular intervals on the top surface of the back plate 140. Engaged in the ring 144, the snap bolt-shaped clasp 148 connected to the other end of the fastening strap 146 is hanged on the side fastening bar 145 of the inverted U-shape fixed to the back plate 140 By pulling pull, the air tank 150 is mounted on both sides of the buoyancy unit 120.

Here, the buoyancy control device according to the third embodiment is equipped with two air tanks 150 on both sides of the buoyancy unit 120 to dive for a long time in a narrow place, such as a deep sea cave, When the air is injected into the buoyancy unit 120 through the tension straps 123 surrounding the buoyancy unit 120, the volume is excessively expanded and at the same time tightly pressed.

In addition, in the present embodiment, the shoulder strap 130 is entangled with the second shoulder strap binding strap 141 coupled to the back plate 140 by a wall-shaped keeper 131, thereby providing a buoyancy control device. It is preferably mounted on the back and extends to the front.

That is, as the shoulder strap 130 is mounted on the rear plate 140 and extends from the rear to the front, the buoyancy portion 120 also tightly presses the volume of the buoyancy portion 120 and also through the tension strap 123. By pressing the volume of), it is possible to move smoothly even in narrow places.

Meanwhile, in the third embodiment, the air tank 150 is coupled to both sides of the buoyancy unit 120, but the back plate 140 of the second embodiment is used to dive for a long time in a deep sea of 40 m or more. In addition to the two air tanks coupled to the four air tanks can be mounted and used, as well as the air tank 150 through a separate fastening means to the D ring 144 formed on the back plate 140 By connecting four or more air tanks can be installed.

Therefore, according to the buoyancy adjustment device for scuba diving according to the present invention, it is possible to use a combination of several air tanks in one buoyancy control device, it is possible to reduce the time according to the preparation for diving and to dive for a long time in the deep sea, Smooth movement is possible even in narrow places such as caves.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, Of course.

110: bulkhead cloth 120: buoyancy portion
130: shoulder strap 140: back plate

Claims (11)

delete delete delete Barrier rib fabric 110 forming a front and back boundary; Buoyancy for scuba diving coupled to the bulkhead fabric 110 and configured in the form of a shoulder bag that can be attached to the shoulder through the buoyancy portion 120 and the shoulder strap 130 formed to inject or discharge air therein along the outer periphery As a regulator,
The rear surface of the buoyancy control device includes a back plate 140 integrally coupled with the partition cloth 110,
Wrap the air tank 150 with the band 160 at the top and bottom, insert the side fastening straps 146 between the air tank 150 and the band 160, at one end of the side fastening straps 146 The connected O-ring 147 is coupled to the D-ring 144 formed on the top surface of the back plate 140, and the snap bolt-shaped clasp 148 connected to the other end of the side fastening strap 146 is the back plate 140 By coupling to the side fastening bar (145) fixed to the coupling, buoyancy control device for scuba diving, characterized in that for mounting the air tank 150 on both sides of the buoyancy portion (120). 5. The method of claim 4,
A first fastener 112 formed in plural in the partition cloth 110;
A second fastener 122 formed in plural on one side of the buoyancy part 120 to correspond to the first fastener 112;
Wrapping the buoyancy portion 120 further includes a fastening strap 123 having one end and the other end penetrated through the first fastener 112 and the second fastener 122 so that the ends are knotted.
Buoyancy control device for scuba diving, characterized in that to tightly press the buoyancy portion 120 by tightening the tension strap (123). 5. The method of claim 4,
The shoulder strap 130 is a buoyancy control device for scuba diving, characterized in that extending from the second shoulder strap binding straps (141) coupled to the back plate 140 to press the buoyancy portion 120. Barrier rib fabric 110 forming a front and back boundary; Buoyancy for scuba diving coupled to the bulkhead fabric 110 and configured in the form of a shoulder bag that can be attached to the shoulder through the buoyancy portion 120 and the shoulder strap 130 formed to inject or discharge air therein along the outer periphery As a regulator,
The rear surface of the buoyancy control device includes a back plate 140 integrally coupled with the partition cloth 110,
The back plate 140 has a second shoulder strap binding strap 141 having one end coupled to the upper end of the back plate 140 so that the shoulder strap 130 can be attached and detached through a wall-shaped keeper 131. And a second through hole 142 formed to correspond to the first through hole 114 formed in the partition fabric 110 so that the connection bolts can be inserted when two air tanks are mounted, and the back plate 140. Band slot portion 143 is formed by a plurality of cloth attached to the upper surface of the) and accommodates and maintains the band-type cambuckles to wrap the air tank firmly, and a predetermined interval on the upper surface of the back plate 140 S scuba diving characterized in that it comprises a D-ring 144 coupled by a plurality of connecting ring portion formed therebetween, and a side fastening bar 145 detachably coupled to one end and the other end through the back plate 140. Buoyancy control device. 8. The method of claim 7,
The front portion of the buoyancy control device, the first shoulder strap binding strap 111 is coupled to the upper end of the partition fabric 110 so that the shoulder strap 130 can be attached and detached through the wall-shaped keeper 131 and A plurality of first fasteners 112 formed at the partition fabric 110 to prevent one end of the fastening string 123 that tightens the buoyancy unit 120 from being knotted and escaped, and the partition fabric 110 Fastening means 113 formed on the upper and lower portions of the barrier rib fabric 110 and the barrier bolt 110 may be connected to the connection bolt when the air tank is mounted so that the rear plate 140 may be integrally coupled. Scuba scuba characterized in that it comprises a first through-hole 114 and a belt 115, one end and the other end is coupled to the lower end of the partition fabric 110 to be filled by the buckle to surround the waist of the diver Buoyancy control device for diving. The method of claim 8,
Buoyancy control device for scuba diving, characterized in that the front portion of the buoyancy control device further comprises a cushion endothelial 116 is coupled to one end of the partition fabric (110) to cover and protect the partition fabric (110). 9. The method according to claim 7 or 8,
The buoyancy portion 120 is formed at one end of the mouthpiece 121 for injecting and discharging air and on one side of the buoyancy portion 120 to correspond to the first fastener 112 formed in the partition fabric 110. A plurality of second fasteners 122 and the first fasteners 112 and the second fasteners 122 are provided so that one end and the other end thereof are knotted and wrapped to tighten the buoyancy part 120. Buoyancy control device for scuba diving, characterized in that it comprises at least one tension strap (123) for pressing the buoyancy portion (120). 9. The method according to claim 7 or 8,
The shoulder strap 130 is provided to be selectively coupled to the first shoulder strap binding straps 111 formed on the partition fabric 110 or the second shoulder strap binding straps 141 formed on the back plate 140 to be tied. (曰) shaped keeper 131, buoyancy control device for scuba diving, characterized in that it comprises a D-ring (133) provided integrally through the connecting ring to the shoulder strap (130).

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