EP3645384B1 - Appareil de plongée - Google Patents

Appareil de plongée Download PDF

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Publication number
EP3645384B1
EP3645384B1 EP17754263.6A EP17754263A EP3645384B1 EP 3645384 B1 EP3645384 B1 EP 3645384B1 EP 17754263 A EP17754263 A EP 17754263A EP 3645384 B1 EP3645384 B1 EP 3645384B1
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EP
European Patent Office
Prior art keywords
interior
air
housing
diver
supply line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17754263.6A
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German (de)
English (en)
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EP3645384A1 (fr
Inventor
Jörg Tragatschnig
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Individual
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Individual
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Publication date
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Publication of EP3645384A1 publication Critical patent/EP3645384A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/02—Divers' equipment
    • B63C11/18—Air supply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/02—Divers' equipment
    • B63C11/18—Air supply
    • B63C11/20—Air supply from water surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/02—Divers' equipment
    • B63C11/18—Air supply
    • B63C11/20—Air supply from water surface
    • B63C11/205—Air supply from water surface with air supply by suction from diver, e.g. snorkels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/02—Divers' equipment
    • B63C11/18—Air supply
    • B63C11/20—Air supply from water surface
    • B63C11/205—Air supply from water surface with air supply by suction from diver, e.g. snorkels
    • B63C11/207—Air supply from water surface with air supply by suction from diver, e.g. snorkels with hoses connected to a float
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/02—Divers' equipment
    • B63C11/18—Air supply
    • B63C11/22—Air supply carried by diver

Definitions

  • the invention relates to a diving device comprising an air pump with a rigid housing with an interior space which extends along a longitudinal axis of the housing from an interior space beginning to an interior end, and an opening arranged in a region of the interior end which is closed by a sack-like flexible part, to form a variable pump volume limited by the housing and the flexible part, the air pump being designed in such a way that in the event of an overpressure caused by the surrounding water, the flexible part is pressed into the interior while reducing the pump volume and at least in sections in a contact section of the interior rests against an inner wall of the housing in order to compress air in the pump volume and to supply it to a diver from an area of the beginning of the interior via a breathing line, the contact section extending along the longitudinal axis from the end of the interior towards the beginning of the interior up to a maximum n height extends, wherein the flexible part can be pulled out of the interior space by muscle strength of the diver against the overpressure and increasing the pump volume in order to suck in air via an air
  • Diving devices are known from the prior art which have an air pump that can be connected to the body of the diver and can be operated by muscle power, with the help of which air can be sucked in from the atmosphere and compressed, the compression being necessary even for shallow diving depths due to the water pressure .
  • Such diving devices can be used for diving depths of up to approx. 10 meters and are characterized by a simple structure and easy-to-learn handling, whereby the diver can dive without further technical aids such as compressed air cylinders or compressors.
  • the duration of the immersion is not limited by the further technical aids mentioned.
  • EP 0297416 B1 view known diving device which comprises an air pump with a rigid housing with an interior which extends along a longitudinal axis of the housing from an interior beginning to an interior end, and an opening which is arranged in a region of the interior end and which is closed by a sack-like flexible part, to form a variable pump volume limited by the housing and the flexible part, the air pump being designed in such a way that in the event of an overpressure caused by the surrounding water, the flexible part is pressed into the interior while reducing the pump volume and at least in sections in a contact section of the interior rests against an inner wall of the housing in order to compress air in the pump volume and to supply it to a diver from an area of the beginning of the interior via a breathing line, the contact section extending along the longitudinal axis from the end of the interior towards the beginning of the interior extends to a maximum height, wherein the flexible part can be pulled out of the interior space by muscle strength of the diver against the excess pressure and increasing the pump volume in order to
  • this diving device has a number of disadvantages.
  • emergency situations can arise if the air supply line gets caught or tangled on an obstacle, for example if the diver dives through under the obstacle. It can be very difficult and tedious for the diver to get out of such a situation, which in connection with a possible panic of the diver can sometimes be life-threatening for the diver.
  • the air supply line (as well as the breathing line) is to be connected to the housing in the area of the beginning of the interior space and is led from there over the diver's shoulder.
  • the diver would be set into rotation by the tensile forces if he did not actively work against the initiation of the rotational movement by means of appropriate movements.
  • the diver is continuously pushed out of his ideal, preferably horizontal, diving position by pulling the diver's upper body upwards.
  • a diving device comprising an air pump with a rigid housing with an interior that extends along a longitudinal axis of the housing from the beginning of the interior to an interior end, and an opening arranged in a region of the interior end that passes through a bag-like flexible part is closed to form a limited by the housing and the flexible part, variable pump volume, wherein the air pump is designed such that the flexible part in an overpressure caused by surrounding water the interior is pressed in, reducing the pump volume and at least in sections in an abutment section of the interior rests against an inner wall of the housing in order to compress air in the pump volume and supply it to a diver from an area of the beginning of the interior via a breathing line, the abutment section extending along the longitudinal axis from Interior end extends towards the beginning of the interior up to a maximum height, the flexible part can be pulled out of the interior by muscle strength of the diver against the overpressure and increasing the pump volume in order to suck in air via an air supply line from above a water level
  • the sliding into one another can also include sliding onto one another.
  • the housing is rigid does not, of course, rule out a certain - not least physically unavoidable - elastic deformability of the housing as a function of the action of a force.
  • the rigidity of the housing is to be seen in particular in relation to the flexibility of the flexible part, wherein the flexible part could also be referred to as a (flexible) membrane or pump bellows.
  • Both the housing and the flexible part can be made of suitable plastics in each case.
  • the opening is an opening of the interior through the housing to the outside, but in an operating state of the diving device the opening is closed by the flexible part.
  • the flexible part can be removed for maintenance and cleaning purposes, the opening then being released and the diving device being in a maintenance state.
  • the operating state of the diving device it can be used to dive into water, in which case (when the diver dives with the diving device) it happens that the diving device and the diver are surrounded by the water.
  • the area of the interior space end / interior space beginning is to be understood as a spatial area around the interior space end / interior space beginning which includes the interior space end / interior space beginning but is not necessarily limited to the interior space. Since compressed air is in any case in the interior, the compressed air is thus supplied to the diver in particular from that area of the interior that is located in the area of the beginning of the interior or in the area of the interior Area around the beginning of the interior. As described, this supply takes place via a breathing line, which accordingly has to be fluidically connected to that area of the interior space that is in the area of the beginning of the interior space and is therefore usually connected to the housing in the area of the beginning of the interior space.
  • a suitable valve arrangement must be provided which ensures that air sucked in through the air supply line does not escape from the air supply line again when the flexible part is pressed into the interior.
  • a first check valve which could also be referred to as an air supply valve.
  • the valve arrangement must enable the diver to inhale through the breathing line without the inhaled air being sucked out of his lungs again when the flexible part is pulled out of the interior.
  • a second check valve In the example mentioned, both the first and the second check valve are loaded with the full pressure that is built up in the pump volume by the air compression and must withstand this.
  • an exhalation valve for exhaling the air into the water can be provided in addition to the first and second check valve, the exhalation valve being exposed to a comparatively lower pressure load than the first and the second check valve.
  • the contact section should extend as far as possible over the interior space, preferably essentially over the entire interior space, and the flexible part should extend over the largest possible section of the inner wall, preferably essentially over the entire area Inner wall, rest in the contact section when the flexible part is pressed into the interior.
  • the maximum height extends accordingly to the beginning of the interior.
  • the function of the diving device is basically guaranteed even if the maximum height does not extend to the beginning of the interior space, although the diving device's performance may be somewhat weaker due to the unused pump volume then present.
  • An actuating device known per se can be provided so that the diver can pull the flexible part out of the interior again.
  • the latter can in particular include leg straps with foot straps and connection means to connect the leg straps to the flexible part.
  • the diver can pull the flexible part out of the interior by means of his legs.
  • variants of the actuating device are also known where, as an alternative or in addition, grip elements are provided for the diver's hands so that the diver can at least partially pull the flexible part out of the interior with his arms.
  • the area of the maximum height is to be understood as a spatial area around the maximum height, which includes the maximum height but is not necessarily restricted to the interior space.
  • the fixation of the air pump, in particular the housing, in front of the diver's chest is desirable in order to maintain a slightly higher pressure of the surrounding water in the area of the air pump compared to the pressure of the surrounding water in the area of the diver's lungs when the diver is in a typical diving position, ie in an approximately horizontal or slightly upright position with the stomach pointing downwards. Accordingly, the air is then compressed by the air pump to a slightly increased pressure, which typically corresponds to a water column of 5 cm to 15 cm, which enables the diver to breathe in without problems.
  • the diver By attaching the air supply line to the carrying device centrally behind the diver's back, the diver can always be optimally balanced, even if tensile forces occur on the air supply line.
  • the air supply line cannot rotate and / or pull the diver to the side because tensile forces acting on the diver via the air supply line act near the diver's center of gravity - approximately opposite the diver's navel.
  • the diver may have to detach himself from the air supply line.
  • a connection of the air supply line to a connection which can be arranged on the housing in particular, is necessary for this.
  • the fastening behind the diver's back must be loosened.
  • the quick release device is provided for this purpose according to the invention. The quick release device allows a certain amount of displacement of the two displacement elements without the displacement elements being separated. This is necessary in order to allow a certain, unavoidable movement between the carrying device and the air supply line attached to it during the normal diving process.
  • the release is basically sufficient if the displacement in exactly one specific direction exceeds a certain amount.
  • the rapid release device can be manufactured very simply and inexpensively.
  • the first displacement element is designed as a hook and the second displacement element as an eyelet or vice versa.
  • the rail having a stop which limits the displacement of the profile body and the rail relative to one another in one direction.
  • the profile body can of course also have a hook shape, at least in sections.
  • the two sliding elements in the connected state are displaceable relative to one another in two opposite directions over the work area before the two displacement elements can be converted into the released state by further displacement in these directions.
  • the first displacement element is designed as a rail and the second displacement element as a profile body or vice versa.
  • an air duct is provided which is designed in such a way that when the air is sucked in, the air from the area of the inner space end in the direction of the inner space beginning at least up to an area of maximum height, preferably up to the area of the inner space beginning, and can flow into the interior.
  • the air flows in any case up to the area of the maximum height, and if the air is not yet in the interior space, it flows from the area of the maximum height into the interior space. If the area of the maximum height is also in the interior, the feature according to which the air can flow into the interior is automatically fulfilled.
  • the air duct enables a connection of the air supply line to be optimally positioned in order to to establish a fluidic connection between the air supply line and the air duct and thus also with the interior space, without the diver rotating from an essentially horizontal to an upright position when a tensile force is applied to the air supply line.
  • a connection for the air supply line is provided in the area of the interior end.
  • the connection does not necessarily have to connect directly to the air duct or be arranged on it, but can also be arranged on the housing. The latter can be the case in particular when the air duct is arranged within a cross section of the housing or within the interior space.
  • connection there is ergonomically particularly favorable access to the connection, which is easily possible for the diver even with the diving device strapped in. This makes it easier to separate the air supply line from the connection, especially in emergency situations.
  • a particularly preferred embodiment of the diving device provides that the connection for the air supply line has a quick-release fastener for connection to the Air supply line is provided, wherein the quick release has in particular a bayonet lock and / or a short thread and / or a sliding sleeve lock.
  • the quick-release fastener is a known connection.
  • a sliding sleeve closure is well known as a garden hose connection and can enable the air supply line to be separated from the connection by simply pulling on or pushing the sliding sleeve.
  • a large number of known quick-release fasteners can be used come, for example, a snap lock that can be released via a button to be operated or a lever to be operated.
  • the air duct could be arranged as a separate element from the housing outside the housing.
  • the air duct necessarily forms an element protruding from the housing, this is at least not conducive to the handiness of the diving device.
  • the risk is increased that an obstacle on the diving device, namely on the air duct, gets caught during diving.
  • the housing has a cross section normal to the longitudinal axis and the air duct is arranged within the cross section.
  • the air duct is arranged inside the interior.
  • the air duct can be implemented in a particularly simple manner by means of an additional element which is fundamentally separate from the housing and which is arranged in the interior, which sometimes greatly simplifies the production from a technical point of view.
  • the air duct is formed at least in sections, preferably completely, by a duct boundary wall separate from the housing.
  • the channel boundary wall can take on the role of the above-mentioned separate element. If then (in the case of the arrangement of the air duct in the interior) the flexible part is pressed into the interior, it inevitably comes to bear in sections on the Channel boundary wall.
  • the duct delimitation wall can be viewed as a spacer between a section of the inner wall of the housing and the flexible part in order to enable the unimpeded flow of air from the area of the inner space end to the area of the inner space beginning.
  • the channel delimitation wall is detachably attached to the housing, preferably in the interior. This enables the channel delimitation wall to be removed for maintenance and cleaning purposes when the diving device is in the maintenance state.
  • the air duct is formed at least in sections, preferably completely, through the housing.
  • a housing wall can be geometrically designed in such a way that the air duct is arranged within the cross section of the housing wall. This can also have advantages in terms of manufacturing technology, in that the housing including the air duct can be manufactured in one manufacturing step, for example by means of an injection molding process.
  • the diving device in a preferred embodiment of the diving device according to the invention it is provided that, seen in a direction parallel to the longitudinal axis, several openings arranged one behind the other are provided which fluidically connect the air duct to the interior space when the flexible part is pulled out of the interior space.
  • the air duct could essentially also be formed by a grille, the openings being selected to be so large or small that the flexible part is not or only negligibly sucked in or through the opening or pushed through.
  • the mentioned design in particular as a grid, can have hygienic advantages when washing out.
  • the diving device is comparatively lighter and thus enables the diving device according to the invention to be transported more comfortably.
  • the material saving can lead to a certain saving in manufacturing costs.
  • the air channel opens up a large number of possibilities for the positioning of the air supply valve or the first check valve, which go beyond the positioning in the area of the connection of the air supply line.
  • said valve could theoretically also be arranged at any point in the entire course of the air supply line.
  • a first check valve is provided for the air supply line, the first check valve being connected between at least one section of the air duct and the interior.
  • the first check valve preferably connects directly to the air duct.
  • the first check valve could, however, also be arranged in the middle of the air duct, where there is particularly good protection of the first check valve against external influences. It is particularly advantageous to position the first check valve in the air duct in the area of the beginning of the interior space, since the unused air pump volume can thus be minimized.
  • the first check valve is arranged in the air duct usually does not make sense, since the first check valve can then not optimally fulfill its blocking function during air compression.
  • an arrangement of the first check valve in connection with the air supply line is the preferred embodiment.
  • the tensile forces are essentially transferred to the diver's shoulders and from there to the upper area of the diver's back or chest / abdomen, which is the case with higher loads, i.e. greater depths, is perceived as unpleasant and can reduce comfort and diving performance.
  • a preferred embodiment of the diving device provides that at least one stiffening element is provided in order to transfer tensile forces that act on the housing when the flexible part is pulled out of the interior into an area of the pool , in particular on the front side of the diver, the stiffening element being connected to the housing and protruding from the housing in the area of the interior end in an operating state of the diving device.
  • the stiffening element attached to the housing means that the tensile forces occurring on the housing are at least partially - as compressive forces - directed into the area of the diver's hip or pelvis, the area usually being at the Is arranged front of the body of the diver, since the air pump, in particular the housing, as stated above, is usually fixed in front of the diver's chest.
  • the housing For anatomical reasons, namely due to the position of the lungs in the diver's body, the housing must be placed relatively high on the upper body in order to be as close as possible to the lungs and, if the diver changes position, a slight overpressure as constant as possible with the air pump to ensure air pressure generated due to the ambient overpressure compared to the ambient overpressure at the location of the diver's lungs.
  • the stiffening element is arranged in such a way that, at least in the operating state, it points away from both the interior space end and the interior space beginning and extends at least in sections along the longitudinal axis of the housing.
  • the stiffening element can thus absorb the tensile forces acting on the housing as compressive forces and at least partially introduce them into mechanically robust areas of the diver's body or be supported on these areas, the area of the pubic bone in particular being mentioned here.
  • the stiffening element can preferably consist of an essentially rigid plastic in order to be able to transmit the tensile forces particularly efficiently.
  • the stiffening element can also have cushioning elements (for example made of neoprene), in particular on sections that are on the body of the diver and press particularly hard on the diver's body when the tensile forces are transmitted.
  • the stiffening element can be provided independently of the quick release device and / or the air duct. Accordingly, it is in a diving device comprising an air pump with a rigid housing with an interior space that extends along a longitudinal axis of the housing from an interior space beginning to an interior end, and an opening arranged in a region of the interior end which is closed by a sack-like flexible part in order to form a variable pump volume limited by the housing and the flexible part, the air pump being designed in such a way that in the event of an overpressure caused by the surrounding water, the flexible part is pressed into the interior, reducing the pump volume and at least partially in a contact section of the Interior rests against an inner wall of the housing in order to compress air in the pump volume and to supply it to a diver from an area of the interior beginning via a breathing line, the contact section extending along the longitudinal axis from the interior end in the direction of the interior beginning up to a maximum alen height, the flexible part can be pulled out of the interior space by muscle strength of
  • a hip belt of the carrying device is provided, which is preferably designed to be particularly wide or high.
  • the at least one stiffening element with a hip belt the carrying device is connectable.
  • the at least one stiffening element can have the most varied of shapes, as long as the stiffening element is only stiff enough to be able to absorb and transmit the compressive forces that occur.
  • the at least one stiffening element can be designed as struts and / or brackets.
  • the at least one stiffening element is essentially plate-shaped. In addition to ensuring the necessary rigidity, this also enables the stiffening element to rest on the body in a comfortable manner for the diver.
  • the at least one stiffening element bridges the distance between the housing and the pelvis / hip area of the diver when the diver uses the diving device according to the invention.
  • the result is a length of the stiffening element which is comparable to a length of the housing, the lengths in the operating state being measured along the longitudinal axis of the housing and typically in the range of 20 cm to 40 cm.
  • the at least one stiffening element is pivotably attached to the housing.
  • the at least one stiffening element can preferably be pivoted in such a way that it rests against the housing and does not protrude from it, in order to ensure a minimal length of the diving device according to the invention.
  • the diving device according to the invention is then in a transport state.
  • a corresponding pivot axis of the stiffening element is arranged essentially normal to the longitudinal axis of the housing.
  • the pivot axis can be parallel to a direction in which a width of the housing is measured.
  • the pivot axis then preferably lies in a plate plane of the stiffening element.
  • the pivot axis is then preferably arranged normal to the plate plane of the stiffening element.
  • the pivot axis arranged in this way particularly preferably intersects the longitudinal axis of the housing.
  • Fig. 1 shows a diving device 1 according to the prior art, as shown in FIG EP 0297416 B1 is revealed.
  • the diving device 1 comprises an air pump 2, which has a rigid housing 3 with an interior 4 (cf. . Fig. 2 ) and a sack-like flexible part 11.
  • the sack-like flexible part 11 closes an opening 8 of the interior 4.
  • the interior 4 extends along a longitudinal axis 5 of the housing 3 from an interior beginning 6 to an interior end 7 , wherein the opening 8 is arranged in a region 10 of the interior end 7 or around the interior end 7.
  • the housing 3 and the flexible part 11 thus limit a variable pump volume, the air pump 2 being designed in such a way that, in the event of an overpressure caused by the surrounding water 22, the flexible part 11 is pressed into the interior space 4 while reducing the pump volume and rests at least in sections in a contact section 12 of the interior 4 on an inner wall 13 of the housing 3 in order to compress air in the pump volume and to feed it from an area 9 of the interior 6 via a breathing line 16 to a diver 17.
  • the contact section 12 of the interior space 4 extends along the longitudinal axis 5 from the interior space end 7 in the direction of the interior space beginning 6 up to a maximum height 18.
  • the air pump 2 in particular the housing 3 is fixed in front of the diver's chest 17.
  • the housing 3 is placed relatively high on the upper body in order to be arranged as close as possible to the lungs and, when the diver 17 changes position, a slight overpressure as constant as possible the air pump 2 generated due to the ambient overpressure air pressure compared to the ambient overpressure at the location of the lungs of the diver 17.
  • an air supply line 19 is provided, which can be designed, for example, as a pressure hose known per se.
  • the air supply line 19 is attached to a buoy 25 by means of a hose connection 26, the air being able to flow through the buoy 25 into the air supply line 19.
  • the buoy 25 is over the Air supply line 19 dragged along.
  • the flexible part 11 is drawn out of the interior space 4 against the overpressure of the surrounding water 22 and with an increase in the pump volume, this being done by the muscular strength of the diver 17.
  • an actuating device which, according to the prior art, can include leg straps 27 with foot straps 30 (for receiving the feet of the diver 17) and connecting means in the form of a connecting buckle 28 to connect the leg straps 27 to the flexible part 11.
  • the diver 17 can pull the flexible part 11 out of the interior space 4 by means of his legs.
  • the leg straps 27 each have a length adjustment 29 known per se, cf. Fig. 1 .
  • a suitable valve arrangement ensures that air sucked in through the air supply line 19 does not escape from the air supply line 19 again when the flexible part 11 is pressed into the interior space 4.
  • a first check valve 14 which could also be referred to as an air supply valve, cf. Fig. 1 .
  • the valve arrangement enables the diver 17 to inhale through the breathing line 16 without the inhaled air being sucked out of his lungs again when the flexible part 11 is pulled out of the interior space 4.
  • a second check valve 15, cf. Fig. 1 In the in Fig.
  • both the first check valve 14 and the second check valve 15 are loaded with the full pressure that is built up in the pump volume by the air compression and must withstand this.
  • the breathing line 16 can also be designed as a pressure hose known per se, preferably if the second Check valve 15 is arranged in the region of the mouth of the diver 17 (not shown).
  • the valve arrangement also enables the diver 17 to exhale the inhaled and used air into the surrounding water 22.
  • an exhalation valve 43 is provided for exhaling the air into the water 22, the exhalation valve 43 being subjected to a comparatively lower pressure load than the first check valve 14 and the second check valve 15. 15, 43 are known per se.
  • the contact section 12 extends up to the maximum height 18, fluidic connections must be established between the air supply line 19 and the breathing line 16 on the one hand and the interior space 4 in an area from the area 21 of the maximum height 18 to the area 9 of the beginning 6 of the interior space. Otherwise, the fluidic connections between the air supply line 19 / the breathing line 16 and the interior space 4 would be interrupted when the flexible part 11 in the contact section 12 is in contact with the inner wall 13. If the maximum height 18 extends into the area 9 of the interior space beginning 6, then fluidic connections must be provided accordingly in the interior space 4 in the area 9 of the interior space beginning 6.
  • connection 45 for the breathing line 16 and a connection 44 for the air supply line 19 are therefore provided on the housing in the area 9 of the interior space 6, cf. Fig. 1 .
  • the first check valve 14 is arranged in connection 44 of the air supply line 19 and the second check valve 15 is arranged in connection 45 of the breathing line 16.
  • the air supply line 19 is centered behind the back of the diver 17, in particular on a hip belt 40 (cf., for example, FIG Figures 8a-d ) the carrying device, can be releasably fastened.
  • the Air supply line 19 is attached centrally behind the back of the diver 17 to the carrying device, the diver 17 can always be optimally balanced, even if tensile forces occur on the air supply line 19.
  • the air supply line 19 cannot rotate the diver 17 and / or pull it to the side because tensile forces acting on the diver 17 via the air supply line 19 act near the center of gravity of the diver 17 - approximately opposite the navel of the diver 17.
  • there is ergonomically particularly favorable access to the connection 44 which is easily accessible for the diver 17 even with the diving device 1 strapped in, for example in order to be able to quickly separate the air supply line 19 from the connection 44 in emergency situations.
  • a quick-release fastener known per se can be provided at the connection 44.
  • an automatic separation by means of a quick release device 32 used for the detachable fastening is provided in preferred embodiments of the diving device 1 according to the invention, cf. Figures 8a-d as Figures 9a-b .
  • the quick release device 32 has a first displacement element that is attached to the air supply line 19, and a second displacement element that is attached to the carrying device, preferably on the hip belt 40, the first displacement element and the second displacement element each one to each other have complementary geometry that a The two sliding elements can be pushed into one another in order to bring the two sliding elements into a connected state 37 (cf.
  • the rapid release device 32 thus allows a certain displacement of the two displacement elements without the displacement elements being separated. This is necessary in order to allow a certain unavoidable movement between the carrying device and the air supply line 19 attached to it during the normal diving process. In the emergency situation described, however, there is a much larger displacement when the diver 17 with the carrying device moves away from the air supply line 19 entangled in an obstacle, so that the quick release device 32 releases the connection between the air supply line 19 and the carrying device.
  • the first displacement element is designed as a hook 33 and the second displacement element as an eyelet 34 or vice versa.
  • Figure 8a shows a variant in which the first displacement element, which is connected to the air supply line 19, is designed as a hook 33 and the second displacement element, which is connected to the Hip belt 40 is connected, as an eyelet 34.
  • the working area 39 is essentially defined by a hook length between a free end of the hook 33 and a closed end of the hook 33, the release taking place in only one direction. The latter would be the case if the diver 17 or the hip belt 40 are in Figure 8a would move to the right so far that the eyelet 34 would slide off the free end of the hook 33. On the other hand, if the hip belt 40 were moved to the left, there would be no transfer to the released state 38, since the eyelet 34 would strike the closed end of the hook 33.
  • FIG Figure 8b shows the reverse case, where the hook 33 is fixed on the hip belt 40 and the eyelet 34 on the air supply line 19, the analogous to FIG Figure 8a Said applies.
  • the hook 33 ( Figure 8a ) or the eyelet 34 ( Figure 8b ) can be shifted accordingly along the air line 19 before the hook 33 ( Figure 8a ) or the eyelet 34 ( Figure 8b ) is fixed to the air line 19.
  • a particularly preferred embodiment of the diving device 1 provides that the two sliding elements in the connected state 37 in two opposite directions are displaceable relative to one another via the working area 39 before the two displacement elements can be transferred into the released state 38 by further displacement in these directions.
  • the first displacement element can be designed as a rail 35 and the second displacement element as a profile body 36 or vice versa, with the profile body 36 being able to be pushed onto the rail 35 at both ends.
  • Figure 8c shows a case in which the first displacement element is designed as a profile body 36 and the second displacement element as a rail 35, but the rail 35 has a stop 50 at one end, so that a situation analogous to the exemplary embodiments of FIG Figures 8a and 8b results.
  • the profile body 36 Due to its geometry complementary to the rail geometry, the profile body 36 can be pushed onto the rail 35 in order to produce the connected state 37, but only at that - free - end of the rail 35 that is not provided with the stop 50.
  • the profile body 36 can then be moved along the entire course of the rail 35 without the connected state 37 being canceled. That is, the course of the rail 35 defines the working area 39.
  • the profile body 36 ( Figure 8c ) or the rail 35 ( Figure 8d ) can be shifted accordingly along the air line 19 before the profile body 36 ( Figure 8c ) or the rail 35 ( Figure 8d ) is fixed to the air line 19.
  • Figure 9a shows an example of a rail 35 and a profile body 36 in the released state 38.
  • the rail 35 has a negative profile in the form of a recess with an essentially U-shaped cross-section with ends of the legs of the U-shape facing each other, in which the profile body 36 with a positive profile with a substantially T-shaped cross-section can be inserted laterally in order to produce the connected state 37. That is, in the connected state 37, the profile body 36 is in engagement with the rail 35. Due to the complementary geometries of the rail 35 and the profile body 36, the profile body 36 in the connected state 37 can only be moved along the course of the rail 35, but not approximately perpendicular to the Course of the rail 35.
  • the rail 35 here has two free ends - without a stop 50 - so that a transition from the connected state 37 to the released state 38 is possible by sufficiently large displacement of the profile body 36 along the rail 35 in two opposite directions.
  • Figure 9b shows a completely analogous embodiment, in which, however, the rail 35 has a positive profile with a substantially T-shaped cross section and the profile body 36 has a negative profile with a substantially U-shaped cross section with ends of the legs of the U shape pointing towards one another.
  • the profile body 36 can correspondingly be pushed laterally onto the rail 35 - at both free ends - in order to produce the connected state 37.
  • the profile body 36 in the connected state 37 can only be displaced along the course of the rail 35, but not approximately perpendicular to the course of the rail 35.
  • a transfer from the connected state 37 to the released state 38 is possible by sufficiently large displacement of the profile body 36 along the rail 35 in two opposite directions.
  • connection 44 of the air supply line 19 is not optimal with regard to a rapid separation of the air supply line 19 from the connection 44 in emergency situations, since the connection 44 is sometimes not easily accessible for the diver 17. Furthermore, this arrangement of the connection 44 can sometimes lead to tensile forces being introduced via the air supply line 19 when swimming forward underwater 22, which attempt to turn the diver 17 from an optimal horizontal position into an upright position.
  • Fig. 2 shows a schematic, partially cut-open front view of a housing 3 of an air pump 2 of an embodiment of a diving device 1 according to the invention, in which this problem does not arise because the connection 44 of the air supply line 19 is arranged in the area 10 of the interior end 7 on the housing 3.
  • the air sucked in through the air supply line 19 must be able to flow from the connection 44, ie from the area 10 of the inner space end 7, at least to that area of the inner space 4 which is in the area 21 of the maximum height 18, preferably in the area 9 of the inner space beginning 6, to be able to be compressed there.
  • an air channel 20 which ensures the fluidic connection of the air supply line 19 or the connection 44 in the area 21 of the maximum height 18 or in the area 9 of the interior space beginning 6 in the interior space 4, without the fluidic connection through the in the inner space 4 pressed flexible part 11 can be interrupted.
  • the air duct 20 is designed such that when the air is sucked in, the air from the area 10 of the interior end 7 in the direction of the interior beginning 6 is at least up to can flow into an area 21 of the maximum height 18, preferably as far as the area 9 of the beginning 6 of the interior space, and into the interior space 4.
  • the housing 3 has a cross section normal to the longitudinal axis 5 and the air channel 20 is arranged within the cross section.
  • the Figures 3, 4 , 5 and 6 each show a schematic cross-sectional view of the housing 3 along the section line AA (the arrows indicate the viewing direction) Fig. 2 for different embodiments of the diving device 1 according to the invention to which this applies.
  • the air duct 20 is only partially formed by the duct delimitation wall 31, namely on the one hand by the housing 3 and on the other hand by the duct delimitation wall 31.
  • the housing 3 or a housing wall also forms the connection 44.
  • the duct delimitation wall 31 forms a section of the air duct 20 opposite the connection 44.
  • the duct boundary wall 31 - and thus at least in sections also the air duct 20 - is arranged within the interior 4, as also in FIG Fig. 3 .
  • the duct delimitation wall 31 forms a continuation of the housing wall and thus delimits the interior space 4, ie the air duct 20 is arranged here at least in sections outside the interior space 20.
  • Fig. 4 shows a variant in which the air duct 20 is formed completely through the housing 3 or the housing wall. The same applies to the connection 44. Correspondingly, the air duct 20 is arranged within the mentioned cross section of the housing 3, but outside the interior 4.
  • the flexible part 11 not only comes to rest on the inner wall 13, but also on the duct delimitation wall 31 when the flexible part 11 is pressed into the interior 4.
  • the air duct 20 and the connection 44 are also formed by the duct delimitation wall 31, but the latter and the air duct 20 are arranged at least in sections outside the housing 3, which can be advantageous in terms of production.
  • first check valve 14 does not necessarily always have to be positioned in the connection 44.
  • the first check valve 14 can in principle also be arranged in the air supply line 19 or, if the air duct 20 itself is airtight, in the air duct 20 or between the air duct 20 and the interior space 4, in particular in the interior space 4 in the area 21 of the maximum height 18 or in the area 9 of the beginning of the interior 6 (not shown).
  • Fig. 10 shows a further preferred embodiment of the diving device 1 according to the invention with a stiffening element 41, which is provided for tensile forces that act on the housing 3 when the flexible part 11 is pulled out of the interior 4, as compressive forces in an area of the basin on the front of the diver 17 to be able to transmit, wherein the stiffening element 41 is connected to the housing 3 and in the Operating state of the diving device 1 protrudes from the housing 3 in the area 10 of the interior end 7.
  • the stiffening element 41 according to Fig. 10 is plate-shaped with a trapezoidal geometry which is symmetrical to the longitudinal axis 5 and tapers slightly in a direction parallel to the longitudinal axis 5 and pointing away from the housing 3.
  • the relatively small degree of tapering has the effect that a width of the stiffening element 41, which is measured in the plane of the drawing and normal to the longitudinal axis 5, is also large enough at a lower, free end 47 of the stiffening element 41 to withstand compressive forces for the diver 17 Conveniently to be transferred to the area of the hip or the pelvis, in particular in the area of the pubic bone, of the diver 17.
  • other geometries of the stiffening element 41 that achieve this would also be conceivable, for example a rectangular geometry that is in particular symmetrical to the longitudinal axis 5.
  • connection element 42 known per se is provided, with which the stiffening element 41 is connected to the hip belt 40, which is shown in FIG Fig. 10 is only indicated dotted, can be connected in order to enable an even better transfer of the pressure forces to the area of the pelvis or the hip of the diver 17 by means of the hip belt 40.
  • the at least one connecting element 42 can for example comprise at least one buckle or at least one pressure fastener or at least one rivet fastener, etc.
  • the at least one connecting element 42 can comprise corresponding parts on the stiffening element 41 and on the hip belt 40.
  • a pocket (not shown), for example, can also be attached to the hip belt 40, into which the stiffening element 41 is inserted in order to connect to the hip belt 40 to be able to produce and transmit compressive forces to the hip belt 40.
  • a length of the stiffening element 41 measured along the longitudinal axis 5 is dimensioned such that the free end 47 projects beyond a lower edge 48 of the hip belt 40 with a certain protrusion 49.
  • the free end 47 is arranged correspondingly below the lower edge 48, with the protrusion 49 as the distance between the free end 47 and the lower edge 48.
  • the stiffening element 41 can also be made from a substantially rigid plastic.
  • the stiffening element 41 is in the embodiment of FIG Fig. 10 attached to the housing 3 so as to be pivotable about a pivot axis 46.
  • the stiffening element 41 can thus be pivoted by approx. 180 ° (in Fig. 10 to the top) that it rests on the housing 3 and does not protrude from it in order to achieve a minimum length of the diving device 1 according to the invention guarantee.
  • the diving device 1 according to the invention is then in a transport state.
  • the pivot axis 46 of the stiffening element 41 is arranged essentially normal to the longitudinal axis 5 of the housing 3.
  • the pivot axis 46 can be arranged parallel to a direction in which a width of the housing 3 is measured, such a pivot axis 46 in FIG Fig. 10 is shown and in the plane of the drawing Fig. 10 lies.
  • the plane of the drawing again coincides with a plate plane of the plate-shaped stiffening element 41.
  • pivot axis 46 are also possible, in particular an arrangement of the pivot axis 46 normal to the longitudinal axis 5 and normal to the direction in which the width of the housing 3 is measured.
  • a pivot axis 46 arranged in this way would be normal to the plane of the drawing Fig. 10 stand.
  • a pivot axis 46 arranged in this way can preferably intersect the longitudinal axis 5.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Claims (15)

  1. Appareil de plongée (1) comprenant une pompe à air (2) avec un corps (3) rigide dont l'espace intérieur (4) s'étend le long d'un axe longitudinal (5) du corps (3) d'une origine de l'espace intérieur (6) à une extrémité de l'espace intérieur (7), et avec une ouverture (8) disposée dans une zone (10) de l'extrémité de l'espace intérieur (7) qui est fermée par une partie flexible (11) en forme de sac pour former un volume de pompage variable délimité par le corps (3) et la partie flexible (11), dans lequel la pompe à air (2) est conçue de telle sorte que sous une surpression causée par l'eau (22) environnante, la partie flexible (11) soit poussée dans l'espace intérieur (4) en réduisant le volume de pompage et repose au moins en partie dans une section d'appui (12) de l'espace intérieur (4) sur une paroi intérieure (13) du corps (3) pour comprimer l'air dans le volume de pompage et l'amener d'une zone (9) de l'origine de l'espace intérieur (6) à un plongeur (17) par une conduite respiratoire (16), la section d'appui (12) s'étendant le long de l'axe longitudinal (5) de l'extrémité de l'espace intérieur (7) vers l'origine de l'espace intérieur (6) jusqu'à une hauteur maximale (18), la partie flexible (11) pouvant être tirée hors de l'espace intérieur (4) par la force musculaire du plongeur (17) contre la surpression et en agrandissant le volume de pompage pour aspirer de l'air par une conduite d'arrivée d'air (19) depuis un point situé au-dessus de la surface (23) de l'eau (22), dans lequel est en outre prévu un dispositif de transport (24) pour la fixation de la pompe à air (2) devant la poitrine du plongeur (17), caractérisé en ce que la conduite d'arrivée d'air (19) peut être fixée d'une manière pouvant être défaite au dispositif de transport, en particulier à une ceinture de hanche (40) du dispositif de transport, au milieu du dos du plongeur (17) et en ce qu'est prévu, en vue de la fixation pouvant être défaite de la conduite d'arrivée d'air (19), un dispositif d'éjection rapide (32) qui comporte un premier élément coulissant (33, 34 ; 35, 36) fixé à la conduite d'arrivée d'air (19) et un deuxième élément coulissant (34, 33 ; 36, 35) fixé au dispositif de transport, de préférence à la ceinture de hanche (40), le premier élément coulissant (33, 34; 35, 36) et le deuxième élément coulissant (34, 33; 36, 35) ayant des géométries mutuellement complémentaires qui permettent l'insertion des deux éléments coulissants (33, 34 ; 35, 36) l'un dans l'autre pour amener les deux éléments coulissants (33, 34 ; 35, 36) dans un état assemblé (37) l'un à l'autre, les deux éléments coulissants (33, 34 ; 35, 36) dans l'état assemblé (37) étant capables de translation l'un par rapport à l'autre dans au moins une direction sur une certaine distance de fonctionnement (39) avant que les deux éléments coulissants (33, 34 ; 35, 36) puissent être amenés dans un état dissocié (38) par la poursuite du mouvement dans cette direction.
  2. Appareil de plongée (1) selon la revendication 1, caractérisé en ce que les deux éléments coulissants (33, 34 ; 35, 36) sont mobiles l'un par rapport à l'autre dans l'état assemblé (37) dans deux directions opposées sur la distance de fonctionnement (39) avant que les deux éléments coulissants (33, 34 ; 35, 36) puissent être amenés dans un état dissocié (38) par la poursuite du mouvement dans ces directions.
  3. Appareil de plongée (1) selon l'une des revendications 1 à 2, caractérisé en ce que le premier élément coulissant est conformé comme un rail (35) et le deuxième élément coulissant comme un corps profilé (36) ou vice versa.
  4. Appareil de plongée (1) selon la revendication 1, caractérisé en ce que le premier élément coulissant est conformé comme un crochet (33) et le deuxième élément coulissant comme un œillet (34) ou vice-versa.
  5. Appareil de plongée (1) selon l'une des revendications 1 à 4, caractérisé en ce qu'il est prévu une conduite d'air (20) conçue de telle manière que lors de l'aspiration, l'air puisse passer de la zone (10) de l'extrémité de l'espace intérieur (7) vers l'origine de l'espace intérieur (6) jusqu'à une zone (21) de hauteur maximale (18), de préférence jusqu'à la zone (9) de l'origine de l'espace intérieur (6), et dans l'espace intérieur (4).
  6. Appareil de plongée (1) selon la revendication 5, caractérisé en ce que le corps (3) présente une section perpendiculaire à l'axe longitudinal (5) et la conduite d'air (20) est disposée à l'intérieur de la section.
  7. Appareil de plongée (1) selon la revendication 6, caractérisé en ce que la conduite d'air (20) est disposée à l'intérieur de l'espace intérieur (4).
  8. Appareil de plongée (1) selon l'une des revendications 5 à 7, caractérisé en ce que la conduite d'air (20) est formée au moins en partie, de préférence entièrement, par une paroi de délimitation de conduite (31) séparée du corps (3).
  9. Appareil de plongée (1) selon l'une des revendications 5 à 8, caractérisé en ce que la conduite d'air (20) est formée au moins en partie, de préférence entièrement, par le corps (3).
  10. Appareil de plongée (1) selon l'une des revendications 6 à 9 et selon la revendication 6, caractérisé en ce que, vu parallèlement à l'axe longitudinal (5), il est prévu plusieurs ouvertures disposées les unes derrière les autres, qui relient la conduite d'air (20) à l'espace intérieur (4) en communication de fluide quand la partie flexible (11) est tirée hors de l'espace intérieur (4).
  11. Appareil de plongée (1) selon l'une des revendications 1 à 10, caractérisé en ce qu'un raccord (44) pour la conduite d'arrivée d'air (19) est prévu dans la zone (10) de l'extrémité de l'espace intérieur (7).
  12. Appareil de plongée (1) selon l'une des revendications 5 à 11, caractérisé en ce qu'une première valve antiretour (14) est prévue pour la conduite d'arrivée d'air (1), cette première valve antiretour (14) étant montée au moins entre une section de la conduite d'air (20) et l'espace intérieur (4).
  13. Appareil de plongée (1) selon l'une des revendications 11 à 12 et selon la revendication 11, caractérisé en ce que le raccord (44) pour la conduite d'arrivée d'air (19) est muni d'un obturateur rapide pour la communication avec la conduite d'arrivée d'air (19), lequel obturateur rapide comporte en particulier un obturateur à baïonnette et/ou un filetage à pas court et/ou un obturateur à manchon coulissant.
  14. Appareil de plongée (1) selon l'une des revendications 1 à 13, caractérisé en ce qu'au moins un élément raidisseur (41) est prévu pour pouvoir transmettre les forces de traction qui s'exercent sur le corps (3) lors de l'extraction de la partie flexible (11) hors de l'espace intérieur (4) dans une région pelvienne, en particulier à l'avant, du plongeur (17), l'élément raidisseur (41) étant relié au corps (3) et dépassant du corps (3) dans la zone (10) de l'extrémité de l'espace intérieur (7) dans un état de fonctionnement de l'appareil de plongée (1), l'au moins un élément raidisseur (41)
    - étant en particulier sensiblement en forme de plaque et/ou
    - étant en particulier fixé de façon pivotante sur le corps (3).
  15. Appareil de plongée selon la revendication 14, caractérisé en ce que l'au moins un élément raidisseur (41) peut être relié à une ceinture de hanche (40) d'un dispositif de transport.
EP17754263.6A 2017-06-30 2017-06-30 Appareil de plongée Active EP3645384B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2017/066265 WO2019001726A1 (fr) 2017-06-30 2017-06-30 Appareil de plongée

Publications (2)

Publication Number Publication Date
EP3645384A1 EP3645384A1 (fr) 2020-05-06
EP3645384B1 true EP3645384B1 (fr) 2021-06-16

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Application Number Title Priority Date Filing Date
EP17754263.6A Active EP3645384B1 (fr) 2017-06-30 2017-06-30 Appareil de plongée

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Country Link
US (1) US11292562B2 (fr)
EP (1) EP3645384B1 (fr)
WO (1) WO2019001726A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10896806B2 (en) * 2016-11-03 2021-01-19 En2Core Technology, Inc. Inductive coil structure and inductively coupled plasma generation system
NL2036202B1 (en) * 2023-11-07 2025-05-19 Int Watersports Products N V Diving device, actuatable gas storage unit and kit of parts

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US3050055A (en) * 1960-06-29 1962-08-21 Robert G Vautin Underwater breathing device
US4022201A (en) * 1975-09-04 1977-05-10 Diggs Richard E Rebreathing cap for skin divers in combination with floating snorkel attachment
US4348976A (en) * 1980-03-11 1982-09-14 Gilbert Donald R Diver tow compressor unit
DE3721429A1 (de) 1987-06-29 1989-01-19 Joerg Tragatschnig Tauchgeraet
US4919631B1 (en) * 1988-05-05 1997-11-25 Snuba International Inc Underwater diving system
US4877167A (en) * 1988-06-10 1989-10-31 Mcnemar Glenn A Retention system for diver accessories
DE10064852A1 (de) 2000-12-23 2002-06-27 Martin Ellwitz Tauchgerät
US20020166555A1 (en) * 2001-05-11 2002-11-14 Antonelli Steven F. Underwater breathing apparatus
FR2835501B1 (fr) * 2002-02-01 2004-04-02 Salomon Sa Systeme de plongee transportable
US8070378B2 (en) * 2008-12-19 2011-12-06 Nicholas A. Gargaro, III Channeled track connector
US20110057009A1 (en) * 2009-09-06 2011-03-10 Mcleod Thomas Dive valve quick release connector

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None *

Also Published As

Publication number Publication date
US20200130793A1 (en) 2020-04-30
EP3645384A1 (fr) 2020-05-06
US11292562B2 (en) 2022-04-05
WO2019001726A1 (fr) 2019-01-03

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