CN107108001A

CN107108001A - For the decompression secondary device used under water

Info

Publication number: CN107108001A
Application number: CN201680004257.1A
Authority: CN
Inventors: 塞尔吉奥·安杰利尼; 克里斯托夫·厄尔里克; 加布里埃莱·卡内拉
Original assignee: Mares SpA
Current assignee: Mares SpA
Priority date: 2015-02-11
Filing date: 2016-02-10
Publication date: 2017-08-29
Also published as: WO2016128913A1; US20180265176A1; EP3256379A1; EP3256379B1

Abstract

For the decompression secondary device (1) used under water, including：Housing (106), it is provided with expiration entrance, suction/exhalation port and the exhaled gas exhaust outlet with check-valves；Gas sucks/breathed out port and is connected to mouthpiece (102)；Expiration entrance in housing (106) is connected to the expiration decompressor for being provided with hollow barrel-type element or pipe fitting (107), the hollow barrel-type element (107) has expiration ingress port (117), and the expiration ingress port (107) is connected by inserting the valve between the feed line (103) and the mouthpiece (102) with gas feed line (103)；The housing (106) is provided with pressure-responsive device and beats opening/closing for the control valve.Expiration entrance in housing (106) is arranged in lower portion (106), and the hollow barrel-type element (107) is connected to the entrance on housing (106) so that its axis is substantially vertical when being used in stand up position.

Description

For the decompression secondary device used under water

Technical field

The present invention relates to a kind of decompression secondary device for using under water.

Background technology

Expiration feeding mechanism or decompression secondary device for using under water are known, and it is connectable to decompression one-level Device, decompression further device is intended to will be contained in high pressure (200-300 bars) reduction of the expiration in the usually tank of diving gas cylinder To an other predetermined intermediate value, the pressure of gas is reduced to physiologically respirable value by secondary device from the median.

The secondary device exhaled for the supply used under water includes the housing with inner cavity chamber, and it is provided with：

Pressurized gas inlet, the pressurized gas inlet is connected to decompression one-level by gas feed line or flexible pipe and filled Put, the entrance is provided with the device with the valve for reducing the gas pressure entered in the chamber,

Suction/exhalation port, the expiration supplied in the inner cavity chamber of housing is by the suction/exhalation port by user Suction, and user by the suction/exhalation port by exhaled gas be supplied to chamber in, the port be connected to suction/ Breathe out mouthpiece,

Expiration exhaust outlet, the expiration exhaust outlet is provided with check-valves.

Patent US 4,002,166 describes a kind of decompression secondary device, and it is provided with bypass pipe to open decompression The expiration of entrance is directly delivered to suction/exhalation mouthpiece from feed line after valve, so as to get around the inner cavity chamber of housing.

Secondary device is provided with bypass pipe outside housing, with the connection with mouthpiece tangent, and is provided with and has The blade of adjustable-angle, the blade is arranged in mouthpiece.

Patent EP 937640 describes a kind of decompression secondary device, and wherein bypass pipe is formed on two grades of dresses In the housing put.

It is being provided with or is being not provided with to be used in the decompression secondary device that uses under water known to bypass pipe, it is contemplated that two Stage arrangement is used by the user in stand up position, and expiration entrance is placed on connecting with suction/exhalation mouthpiece on housing On the right side or left side of the suction connect/exhalation port, and when user's back wears gas tank, the secondary device by The gas feed line or flexible pipe advanced on the right shoulder of user or left shoulder and be connected to for being contained in usually diving gas cylinder The decompression further device of gas in tank,

When the breathing gas tank for not wearing gas cylinder of usually diving under water in back, but it is placed on the right side or left side of user When, i.e. when with gas it is tank connected decompression further device be in the position more much lower than user mouth so as to must by with suction Enter/breathe out the interface of mouthpiece connection to keep the second pressure-reducing valve, enabling during underwater breathing, sucking/exhaling on housing This construction of the right side of exit port or the secondary device with gas access in left side is especially uncomfortable.

In this case, the relative position of breathing gas tank and scuba diving person's mouth causes hardly possible with thereon Mode without torsional effect finds gas feed line or the path of flexible pipe of connection further device and secondary device, and this leads Cause user uncomfortable, except non-usage very long flexible pipe (being adversely affected to ergonomics, the resistance in water, cost) Or use joint (being adversely affected to cost and reliability).

Generally for this shortcoming is overcome, using such gas feed line or flexible pipe, its length is on user head Advance below and not from the bottom of user face but reach user's mouth from the side of user face so that supply The end sections being connected with the side entrance on the housing for being arranged on secondary device of conduit are substantially horizontal, and are not produced The rotation of secondary device, this make it that suction/holding of the exhalation mouthpiece in user's mouth is uncomfortable, and hence in so that under water Breathing is uncomfortable.However, this causes resistance to increase due to the larger friction in water.

Another known solution for overcoming this shortcoming be the side entrance of housing and feed line or flexible pipe it Between place and allow L-shaped joint that secondary device is maintained to appropriate location in mouth, so as to eliminate by being connected to two grades of dresses The torsional effect that the feed line or flexible pipe put apply.

However, this solution the disadvantage is that, if the user position away from ground under water, joint is latent Failure or leakage point, its may cause exhale escape, this can produce serious consequence.

In addition it is known that when secondary device is used as the gas supply to be supplied to second place scuba diving person Aid in gas supply when, on housing suction/exhalation port right side or left side gas access secondary device construction It is especially uncomfortable.

Common practice is, when under water, uses the decompression one-level by being connected to two decompression secondary devices by flexible pipe The diving adjuster (so-called " octopus " constructs) that device is constituted, one of decompression secondary device is by carrying adjuster of diving under water Scuba diving person using for breathing, another decompression secondary device as it is urgent use and use it for when necessary to In difficult second place scuba diving person, (such as his/her diving adjuster is inoperative or has exhausted his/her personal appearance The gas supply being contained in diving gas cylinder) expiration is provided, in this case, the scuba diving person supplied with enough gas By his/her auxiliary secondary device to other scuba diving persons in difficulty in front of him/her or beside him/her, but Be it is known that gas access on housing on the right side of suction/exhalation port or the position in left side is unfavorable for this operation, this is Because connecting further device and secondary device to allow the flexible pipe of this operation not merely have to long enough, but also it must comply with S-shaped path, this is adversely affected to ergonomics.

At present, although being made that trial for the operating condition for improving decompression secondary device, first, on user's suction With exhalation power, it is known that decompression secondary device not yet fully achieve optimum operation condition.

This optimum condition include making the breathing power of state under water as much as possible with ambient environment needed for class Seemingly.On the one hand, user not necessarily carries out drawing the gas attempted for suction supply, but then, the gas supplied Body will not be to supply under overvoltage, therefore air is forced into user's respiratory tract.

The content of the invention

It is contemplated that overcome the defect of known decompression secondary device, it is simple and cheaply manufactured and regulation by providing Secondary device is depressurized, the decompression secondary device can cosily be used by user, be such as long soft-pipe without making to have Or the construction of the diving apparatus of the element of joint is complicated, while optimizing ergonomics and reducing the resistance in water.

The present invention also aims to make breathing more comfortable as much as possible so that breathing power is similar to normal ring as much as possible The breathing power of border state.

The present invention also aims to provide a kind of decompression easily and comfortably as the auxiliary secondary device for exhaling Secondary device, thus makes the expiration of the diver to being in trouble supply more safety and comfortable, it has reduction in water The advantage of panic and pressure.

It is another object of the present invention to provide decompression secondary device, wherein gas suction and exhalation stage are promoted, Thus allow to reduce and suck and expiration power.The present invention is by the combinations of features including claim 1 for subtracting for using under water Secondary device is pressed to realize above-mentioned purpose.

The combinations of features includes：

Housing, the housing is provided with expiration entrance and suction/exhalation port, and user passes through the suction/exhalation port Suction is fed to the gas in housing, and exhaled gas is fed in housing by user by the suction/exhalation port, institute State housing and be provided with the exhaled gas exhaust outlet with check-valves,

Gas sucks/breathed out port and is connected to suction/exhalation mouthpiece, and user is sucked by suction/exhalation mouthpiece Exhale, and breathed out gas into housing by suction/exhalation mouthpiece,

Expiration entrance in housing is connected to the expiration decompressor for being provided with hollow barrel-type element or pipe, the hollow barrel-type Element has expiration ingress port, and the expiration ingress port is connected by valve with gas feed line, and the valve is inserted in described Feed line and between the suction/exhalation mouthpiece of the expiration,

The housing is provided with pressure-responsive device and beats opening/closing for the control valve, and wherein,

Used in view of secondary device by the user in stand up position, and the hollow barrel-type member of decompressor Part is connected to the entrance on housing so that its axis is vertical relative to the stand up position of user or substantially vertical, i.e., basic Upper sagittal plane and coronal plane cross section with longitudinal axis or as user's body end to end to diameter parallel, housing In expiration entrance be arranged in the low portion of the housing；

Bypass pipe, the bypass pipe direct supplies to the expiration from decompressor in suction/exhalation mouthpiece, Bypass pipe is connected to the port that is arranged on the shell wall of the hollow barrel-type element of decompressor and in opposite end at its one end Place is connected to the port being arranged on the shell wall of suction/exhalation mouthpiece.

By such feature, it is received into using the secondary device implemented according to the present invention for reducing in user one In the case of the pressure of expiration in the tank that side is carried is particularly advantageous, because gas feed line or flexible pipe can Secondary device is connected to the decompression further device that is arranged on tank with substantially linear manner without bending, thus avoid due to Caused by blocking the interruption of air-flow and make secondary device from user's mouth appropriate location move so that it is used Uncomfortable risk.

The secondary device implemented according to the present invention is carried (for example, being attached to floating for reducing to be contained in front of user Force control device) tank included in expiration pressure in the case of be also advantageous because its allow gas supply Such as secondary device is connected to the decompression further device being arranged on tank by conduit or flexible pipe, described soft without blocking flexible pipe Pipe follows substantially U-shaped path, while leaving the complete freedom of motion to user.

Bypass pipe can promote gas suction to act on so that respiration more comfortable and physiology is adapted to.

According to another feature of the invention, in order to promote the gas in any depth using secondary device to breathe out, And in order that it is similar to general breathing when leaving water as much as possible, the housing is provided with the with check-valves Two exhaled gas exhaust outlets.

The hollow barrel-type member with decompressor that described two outlets can be placed expiration entrance in the housing The side of part connection.

As described in more detail below, in order to which the gas that will be overflowed from bypass is transmitted to user's mouth, in the present invention The secondary device in, the baffle plate tongue piece substantially placed in diametric(al) is provided with suction/exhalation mouthpiece, should Baffle plate tongue piece is oriented to the axis transverse to bypass pipe and with substantially parallel with the axis of suction/exhalation mouthpiece Extension.

The function of the baffle plate tongue piece or tongue piece is that the stream that will be supplied by bypass pipe is transmitted towards mouth, to improve two grades The comfort level of device.

In one embodiment, the tongue piece is substantially provided in the height overlapped with the mid-diameter position of mouthpiece Place, or be arranged on the mid-diameter position and relative to the secondary device in the state worn by user and use At the intermediate altitude between upper semicircumference when person is in stand up position.

Particularly worn described in user with stand up position, tongue piece is essentially horizontally or parallel to according to described Extend to the truncation surface extension and/or or coincidence parallel with diametral plane on the user head of the medical definition of plane, the diameter Plane is overlapped with the larger-diameter interface in the state of being arranged on suction/exhalation mouthpiece.

According to a feature, the tongue piece is from its position substantially overlapping with the outlet port in suction/exhalation mouthpiece Put axially extending, wherein one end of the tongue piece is towards the inner side of decompression secondary device, until the suction/exhalation mouthpiece Towards user and it is intended to be connected to the opposed end regions of interface element.

According to variant embodiment, the different configuration of tongue piece can be provided.

According to other variant embodiments, tongue piece can be completely flat or can have according to axially and radially two One in direction or the bending pattern according to the two directions, and wherein, radius of curvature are different from each other and along Curved The angle extension of shape is constant or variable.

Further according to other variant embodiments, bypass pipe that tongue piece can also be terminated in suction/exhalation mouthpiece goes out The leading edge substantially in diametric(al) in the region in mouthful port downstream, and tongue piece can be extended up to by tongue piece Leading edge extension annex it is overlapping with outlet port.

According to other features, according to one embodiment, the annex can have different shape and size, its shape For example, cover or half-shell.

In one embodiment, especially, the rear attachment has basis and the diameter parallel of suction/exhalation mouthpiece The first curvature of one axis, it has the outlet port and tongue of the bypass pipe corresponded essentially in suction/exhalation mouthpiece The predetermined length of the axial distance of the rear side of piece apart and the end with lid-like shape.

Such as interchangeable scheme, the extension only has the diametric(al) being centered around relative to suction/exhalation mouthpiece It is upper or with tongue piece and to the only one radius of curvature of the upwardly-directed single axis in the parallel side of its rear rim so that attached Part has the bending pattern of the end radially aligned with the outlet port of the bypass pipe in suction/exhalation mouthpiece.

Equally in this case, annex can have flat shape, or with free end it is substantially rectangular or cone Shape or the plane of bending protrude shape.

According to another feature, tongue piece can be by the association that couples it with the inner wall of the suction/exhalation mouthpiece It is arranged in suction/exhalation mouthpiece with making device and can remove.

In one embodiment, tongue piece can by being clasped, form coordinate, by power cooperation or by mutually it is removable The locking device that removes and be connected to along the inner wall of suction/exhalation mouthpiece and be arranged on two diameter opposite sides of the wall In two axial linear guides, and each guide tends to accommodate the corresponding axial perimeter edge of tongue piece.

In the case where removedly installing, it can provide including the decompression secondary device according to the present invention and with difference Shape and size feature and a different set of tongue piece that can be alternatively arranged in suction/exhalation mouthpiece external member.

This allows the characteristic that secondary device is easily adjusted in the corresponding mode of individual demand with user.

Such as the alternative of above-mentioned tongue piece according to an embodiment of the invention, suction/exhalation mouthpiece is arranged on Shell wall on port the part that bypass pipe is connected with the mouthpiece is surrounded by the wall that is projected into mouthpiece, and its It is bent upwards in the side of the port relative with the port for being connected to housing of mouthpiece, to form lid, this is covered in mouthpiece Shell wall in the port above extension and by the expiratory flow from bypass pipe towards user's mouth transmit.

According to another embodiment, the lid wall is partially around being arranged on the shell wall of suction/exhalation mouthpiece Port the suction/exhalation mouthpiece in extend in a longitudinal direction with give part, and mouthpiece with for The side for being connected to the relative port in port of housing is bent upwards, to form the longitudinal direction in mouthpiece in the mouthpiece Upper extension and the pipe of the lower shell wall positioned at suction/exhalation mouthpiece.

Brief description of the drawings

In the description of some embodiments shown in the following drawings, these and other features and advantages of the present invention will be made It will become clearer, in the accompanying drawings：

Fig. 1 a are provided with the front view of the known decompression secondary device of bypass pipe,

Fig. 1 b are the sectional views of the one embodiment for the known decompression secondary device that bypass pipe is provided with outside housing,

Fig. 1 c are provided with being integrally formed in one embodiment of the known decompression secondary device of the bypass pipe in housing Broken section top view,

Fig. 2 is the stereogram of the decompression secondary device according to an embodiment of the invention for being provided with bypass pipe,

Fig. 3 is the side view of the decompression secondary device according to an embodiment of the invention for being provided with bypass pipe,

Fig. 4 is the upward view of the decompression secondary device according to an embodiment of the invention for being provided with bypass pipe,

Fig. 5 is provided with the bypass pipe of the decompression secondary device pipe of described bypass according to an embodiment of the invention Outlet and suction/exhalation mouthpiece,

Fig. 6-Figure 10 is provided with the outlet of the bypass pipe of the decompression secondary device according to bypass pipe of the present invention The not lateral section of be the same as Example.

Figure 11 and Figure 12 are the sectional view and the first variant embodiment of the axial plane according to suction/exhalation mouthpiece respectively Perspective, cut-away view, wherein, be provided with inhalation interface pipe substantially on the axial direction of the suction/exhalation mouthpiece The tongue piece in diametric(al) of orientation,

Figure 13 and Figure 14 are analogous to a modification of Figure 11 and Figure 12 tongue piece.

Figure 15 to Figure 17 is the top view of three of tongue piece not one of be the same as Examples.

Figure 18 and Figure 19 are with different sizes and according to another implementation essentially corresponded to the tongue piece in Figure 13 and 14 The vertical view and face upwarding stereogram of one group of tongue piece of example manufacture.

Figure 20 and Figure 21 are analogous to Figure 18 and Figure 19 view, and it has another variant embodiment of baffle plate tongue piece.

Embodiment

With reference to Fig. 1 a, Fig. 1 b, Fig. 1 c, they show is provided with being used under water for bypass pipe 101 according to prior art The decompression secondary device 1 used.

The function of decompression secondary device for using under water is to reduce the pressure of the expiration from the first pressure-reducing valve, and root Come to provide expiration with environmental pressure according to the depth residing for scuba diving person.

The first pressure-reducing valve for using under water makes high pressure (200-300 bars) reduction for the air being contained in diving gas cylinder To the intermediate pressure of 8/10 bar higher than environmental pressure.Therefore, being connected to the decompression secondary device of decompression further device enters pressure One step is reduced.

As shown in fig. 1b and fig. lc, the secondary device 1 is made up of housing 106, the housing 106 accommodate pressure-responsive device with Opening/closing is beaten for control a kind of valve of device, the device makes in said device by coming from that feed line 103 is conveyed The pressure reduction of the expiration for the decompression further device (not shown) being connected with expiration source (gas cylinder of typically diving under water).

It is well known that the decompressor for the secondary device being connected with the entrance being arranged on housing 106 includes hollow barrel-type Element 107 or pipe, it is with exhaling that the gas feed line 103 for depressurizing further device (not shown) with being connected to by valve is connected Gas ingress port 117.

As shown in Figure 1 b, in the secondary device according to prior art, it is contemplated that secondary device is by stand up position User is worn, and all or part of of hollow barrel-type element 107 is arranged on the sidepiece of housing 106, e.g., the side of housing in itself The cylindrical portion of perisporium.

In addition, as illustrated in figure 1 c, hollow barrel-type element 107 is provided integrally in housing, it is formed housing in itself The hollow lateral protuberance extended in radial directions so that the expiration ingress port 117 of hollow barrel-type element 107 is formed in housing On 106 walls of itself.

Sealing fastening end, such as bushing, for by the feed line can be provided with expiration ingress port 117 103 are connected with the hollow barrel-type element or pipe fitting 107.

Baffle plate (shutter) 108 for valve seat 104 can be slidably installed inside hollow barrel-type element 107, it is special It is not the piston back plate with increase head, it is with being bonded on the hole being arranged on the wall relative with expiration ingress port 117 In bar link into an integrated entity part.

Valve seat 104 is made up of the radial direction narrowing in hollow barrel-type element 107, and it is along the hollow barrel-type element 107 central longitudinal axis limits a hole, and its sharp edge can be in neighbour with the surface engagement on the head of baffle plate 108 in baffle plate Ensure that the seat 104 is fully sealed when connecing against the closed position of valve seat 104.

Spring 109 pushes dynamic baffle plate 108 on firmly closing direction with predetermined.Baffle plate 108 is pivoted in known manner To bar 110, the bar 110 is swung and the deformable membrane 111 of a part by the outer wall for forming housing 106 is operated.

Housing 106 is connected by a port with suction/exhalation mouthpiece 102, and the expiration of user's suction passes through the suction Enter/breathe out mouthpiece exhalation into housing 106.

Suction/exhalation mouthpiece is provided with interface 105.

In the prior art, one is provided only with housing 106 is used for the exhaust outlet 113 of exhaled gas, the exhalation Gas is supplied in housing 106 by mouthpiece 102 and suction/exhalation port.

Described to export the check-valves 123 for being provided with for example, film, pressure of the check-valves in housing 106 is due in exhalation Gas during stage is opened when flowing and increasing, and is maintained at pass by the elasticity for the material for constituting the check-valves 123 Closed state.

During sucting stage, the vacuum produced in housing 106 causes the catch bar 110 of diaphragm 111 against elastic device 109, i.e. spring, and it makes baffle plate 108 move away from valve seat 104, therefore adding from feed line 103 in the open position Body of calming the anger can enter the hollow barrel-type element 107 of decompressor from ingress port 117 by valve seat, and the gas-pressurized can To be come out from the outlet 112 being arranged in the case surface of the hollow barrel-type element 107, the outlet 112 is led with special supply Pipe 101 (so-called bypass pipe) is connected.

Therefore, for reducing and adjusting the decompressor for the pressure exhaled by making the pressure adaptation environmental pressure of expiration With gas inlet port 117 of the insertion in intermediate pressure (from decompression further device) and the gas under reduction pressure Valve seat 104 between outlet 112.

Expiration is delivered directly in suction/exhalation mouthpiece 102 by the bypass pipe for being connected to outlet 112, without Gas is advanced in housing 106.

As shown in such as Fig. 1 c accompanying drawing, the outlet 112 for the gas towards bypass pipe 101 (and therefore, exists In suction/exhalation mouthpiece 102) it is made up of the side slit 112 being arranged in hollow barrel-type element 107.

It is well known that bypass pipe 101 can be at hull outside (Fig. 1 b), or it can be obtained as in the secondary device Single piece (Fig. 1 c) in the wall thickness of 1 housing 106.

In embodiment as shown in the prior art, in the embodiment particularly shown in Fig. 1 b, the hollow barrel-type element 107 are only sealingly secured to the wall at the position of housing 106 through housing 106 at it, and the hollow barrel-type element 107 passes through Openend is connected to gas feed line 103, while its length having terminates at another shutdown side in housing 106 itself.

However, according to known unshowned embodiment, the hollow barrel-type element 107 even can terminate in not connected To the end of gas feed line 103, in hull outside, the axle being configured to from the external hand driving of housing 106 is terminated at To the end member of pushing component, the pushing component is acted on elastic device, and the elastic device is acted on spring 109, its And then act on the baffle plate 108 of valve seat 104.It is well known that the multiple element being fitted to each other coaxially to each other and by sealing means The pushing component that (such as by O-ring) is constituted has：The end that can be kept by user of hull outside, such as knob；With And an end in housing, its abut against for spring 109 being capable of adjacency section in axial sliding so that external component Rotation causes the adjacency section axial translation, and therefore causes different pre-add of the spring 109 on the baffle plate 108 of valve seat 104 Load state.

Therefore, Fig. 1 a, Fig. 1 b, Fig. 1 c show according to prior art be provided with bypass pipe 101 be used for use under water Decompression secondary device 1, and wherein, it is contemplated that secondary device 1 is used by the user in stand up position, in housing 106 The entrance and hollow cylindrical component 107 that are used to exhale be arranged in the right side or left side of the housing 106, i.e. relative to The side of suction/exhalation mouthpiece 102.

Fig. 2 to Figure 10 shows the other embodiment of the secondary device 1 according to the present invention on the contrary.

As shown in Fig. 2 in the secondary device of the present invention, it is contemplated that secondary device 1 is by the user in stand up position Use, the entrance for being used to exhale in housing 106 is arranged on the low portion of the housing 106, and decompressor is hollow Cylindrical component or pipe fitting 107 are connected to the entrance on housing 106 so that its longitudinal axis it is vertical or substantially vertical and Perpendicular to the longitudinal axis of suction/exhalation mouthpiece 102.

For illustrative and descriptive simplification purpose, within a context, " hollow barrel-type element or pipe fitting 107 " are term Refer to the hollow barrel-type element 107 being arranged on outside housing 106 and the hollow barrel-type element 107 being integrated into housing 106, its Similar to the lower hollow extension of housing 106 itself.

According to the present invention, housing 106 is provided with the second exhaled gas exhaust outlet 113 with check-valves 123：Such as Fig. 4 With shown in Fig. 5, two exhaust outlets 113 are located at the expiration in the housing 106 being connected with the hollow barrel-type element 107 of decompressor The side of entrance.

Two exhaust outlets 113 promote exhaled gas to be come out from housing 106, actually by the breathing power in water is relative Halve in traditional water lung adjuster.

The secondary device 1 of the present invention can be provided with bypass pipe 101, for the expiration delivered into, be beaten in pressure-reducing valve When opening, it, directly to suction/exhalation mouthpiece 102, bypasses the inner cavity chamber of housing directly from feed line 103.

As shown in the figure, it is contemplated that secondary device is used to breathe by the user in stand up position, and the bypass pipe is located at The rear portion of secondary device 1, i.e. in the deformable membrane of a part for the outer wall with forming housing 106 of secondary device 1 In 111 relative parts.

According to illustrated embodiment, bypass pipe 101 is constituted by being arranged on the hollow barrel-type element outside housing 106, but its The pipe 101 can be set to the hollow barrel-type element being integrally formed in housing 106, it is similar to housing 106 itself With rear hollowed extension.

As shown in Fig. 6 to Figure 10, bypass pipe 101 is connected to the device for the pressure for being arranged on reduction expiration at its one end Hollow barrel-type element 107 shell wall on outlet 112, and be connected at opposite end and be arranged on suction/exhalation mouthpiece Port 112' on 102 shell wall.

In the case where valve seat 104 is in an open position, the gas-pressurized from feed line 103 can enter hollow In shape element 107, and bypass pipe 101 is advanced to by port 112, suction/exhalation interface is then advanced to by port 112' In pipe 102.

One embodiment according to Fig. 7 to Figure 10, is arranged on the port on the shell wall of suction/exhalation mouthpiece 102 A 112' part is surrounded by the wall being projected into suction/exhalation mouthpiece 102, and the wall is in mouthpiece 102 and company The side for being connected to the relative port in port of shell 106 is bent upwards, so that lid wall 121 is formed above the port 112', The lid 121 will exhale and be transmitted from bypass pipe towards user's mouth.

Fig. 6 shows the sectional view of the decompression secondary device 1 with the bypass pipe 101 for not including the lid wall 121, and Fig. 7 shows the secondary device 1 with bypass pipe, and it is provided with the lid wall in the suction/expiration mouth of pipe pipe 102 121, when using secondary device 1, hole and user's mouth contact in face of the part of mouthpiece 102.

The lid wall 121, can be arranged in the suction/exhalation by another embodiment according to Fig. 8-Figure 10 Longitudinal extending to be to give part in mouthpiece 102, with formed in the mouthpiece 102 along mouthpiece 102 length extension and It is located at the pipe at the lower shell wall of suction/exhalation mouthpiece 102 under conventional use state.

Fig. 5 is shown to be limited by extending in suction/exhalation mouthpiece 102 with the shell wall for the pipe 121 for giving part Port：As illustrated, the port of pipe 121 is towards the part being maintained at by user by interface 105 in mouth of mouthpiece, So that gas is sent into user's mouth from bypass pipe 101.

The lid wall (the particularly pipe 121) allows to adjust the Venturi effect in suction/exhalation mouthpiece 102, To improve breathing power and to make the breathing in water more natural and simple.

According to one embodiment, the pipe 121 in suction/exhalation mouthpiece 102 has 5 to 10mm length.

The pipe 121 in suction/exhalation mouthpiece 102 can be arranged to the length equal to 7mm.

As shown in Figure 10, the port relative with the port for being connected to housing 106 towards pipe fitting 102 of pipe 121 Part has what is increased to open portion.

The portion of opening of the increase can have 5 to 15 ° of angle.

According to one embodiment, the portion of opening of the amplification has 10 ° of angle.

Venturi effect is allowed to be optimized to improve breathing work for the 7mm pipe 121 with 10 ° of the length for opening portion With.

The invention further relates to the decompression secondary device as shown in Fig. 1 a, Fig. 1 b and Fig. 1 c, it is such a secondary device, Wherein, it is contemplated that the secondary device is worn by the user in stand up position, it is connected in the housing 106 of expiration decompressor The entrance for being used to exhale be arranged on the lateral part of housing 106, and wherein, be arranged on suction/exhalation mouthpiece 102 The port 112' of bypass pipe 101 on shell wall is surrounded by lid wall 121 as described above or the wall is dashed forward in mouthpiece 102 Go out, to form the pipe extended on the length direction of mouthpiece 102 and at the lower shell wall of suction/exhalation mouthpiece 102 121。

Figure 11 and Figure 12 show a variant embodiment, wherein different from previous embodiment, bypass pipe and suction/exhalation The inner wall of mouthpiece 102 is flushed.In Figure 11 and Figure 12 and Figure 13 and Figure 14, depressurize secondary device has same configuration And/or the part of function is represented by the same reference numerals in the accompanying drawing related to previous embodiment.

Tongue piece 200 is provided with the diameter for sucking and breathing out mouthpiece 102, and it is oriented to transverse to bypass pipe 101 axis.The tongue piece 200 has substantially flat shape, and it is in the horizontal stroke with the user's head in stand up position Section is substantially parallel and with extending in using the substantially parallel position of the secondary device in wearing state of position.Art Language truncation surface represents to correspond to the definition in the section of the human body limited in the medical field.

Tongue piece 200 axially extends from the end relative with the housing of secondary device for sucking and breathing out mouthpiece 102, and And it terminates at the position radially superposed with the outlet port of the bypass pipe 101 in the mouthpiece 102.

In Figure 11 and Figure 12 embodiment, from tongue piece 200 the end of suction/exhalation mouthpiece 102 edge Start at a distance of a given axial distance, tongue piece uses lid or concave shape 202, and side axial edge is downwardly projected, for protecting The length direction extension of tongue piece is held, and terminates at the outlet port at the outlet port of bypass pipe 101 or with bypass pipe The radially superposed closing head side with round-shaped 203.

There is the side axial edge of protuberance along the side related to bypass pipe towards mouthpiece, tongue piece is straight There is such extension on the direction of footpath, wherein, the spaced apart from inner walls at the edge and mouthpiece 102, tongue piece only passes through end Part and be secured to side wall, wherein, the end sections be it is substantially flat and start from mouthpiece 102 and secondary device The relative end of housing.

Can be had similar to the flat of the tongue piece in Figure 15 or Figure 17 or Figure 18 and Figure 19 according to the tongue piece of this embodiment Face shape.In such instances, tongue piece 200 has flat part 204, and the flat part 204 is placed in the end of mouthpiece 102 simultaneously And extend to by the radially superposed region of the outlet port of annex 205 and bypass pipe.

This annex can be made into similar to lid, half lid, spoon etc., and its generally have by the sides of two axial directions with And the convex shape of the side wall closing oriented on the side relative with the flat part of tongue piece towards the outlet port of bypass pipe.

Figure 18 and Figure 19 show the size with the axially and radially direction on suction/exhalation mouthpiece 102 The vertical view and face upwarding stereogram of one group of three different tongue piece of lid annex 205 different from each other.

According to the architectural feature not being shown specifically, pass through the axle with two opposite side edges of the flat part 204 of tongue piece 200 The coupling arrangement cooperated to straight portion, tongue piece can be fastened in suction/exhalation mouthpiece 102 in a manner that enables removal.

They can be arbitrary coupling arrangement, such as by the bayonet unit of elastic force, or by attachment tooth and groove, And those skilled in the art can be selected in his/her general knowledge in available a variety of modifications.

A pair of guides of the couple positioned opposite of inner wall of one advantageous embodiment along mouthpiece 102, be, for example, Radially-inwardly stretch out and two ribs of the degree corresponding with the thickness of tongue piece that is spaced apart from each other form.They make the side axle of tongue piece One into edge cooperates with another, and preferably straight portion is cooperated.

Can be by the elasticity of the material of mouthpiece 102 and by the way that the guiding cooperated with the axial edge of tongue piece will be formed The fact that elastic power cooperation of the distance between axial rib of part selection to produce tongue piece, is locked.Latching force can be selected It is selected as so that it is reliable to be secured in place, while tongue piece can be removed manually.

As shown in Figure 18 and Figure 19, when tongue piece is not fitted securely into mouthpiece, but it ought can remove and change tongue During piece, it can make with of the invention to subtract on one group of tongue piece that construction and/or size are different from each other and each other alternatively coordinate Press secondary device association.Which ensure that the side that the mode of operation of secondary device is customized with all about power to needed for breathing above The formula person of being adapted in use to.

One group of tongue piece can be sold as the external member associated with water lung adjuster or as accessory.

Figure 16 shows the variant embodiment of tongue piece 200.In this case, connect as towards from secondary device direction The rear leading edge 201 at the edge of the air stream of mouth pipe 102 slight curvature on the direction of the outlet port of bypass pipe.It is described Bending is made advantageously according to radius of curvature and parallel to tongue piece 200.

Shown similar to Figure 11 and Figure 12, Figure 15 to Figure 17 and Figure 18, Figure 19 Figure 13, Figure 14 and Figure 20, Figure 21 The variant embodiment of tongue piece 200.Arrangement in inhalation interface pipe 102 and its axially-extending portion and orientation with according to Figure 11 and Figure 12 Embodiment in arrangement and orient it is substantially the same.

However, in this case, being extended with protuberance 206 similar to the annex 205 of lid or analogous shape, it is substantially Straight and its longitudinal axis along with the direction of the diameter parallel of suction/exhalation mouthpiece 102 towards the flat part 204 of tongue piece It is edge-oriented, terminate at the border one give set a distance.

The protuberance 206 can be made into two opposite and coaxial bendings of the downside for the flat part 204 for starting from tongue piece Tongue piece 206 form.

Especially, two opposite bending tongue pieces are supporting each other, with formed with curved wall passage, similar to relative to The plane vertical with the planar extent of the flat part of tongue piece be symmetrical and the circle axial and placed in the middle relative to diametrical extension Scallop.

In addition, in one embodiment, the downside of the flat part 204 of tongue piece and the curved wall of the passage are substantially It is tangent.

According further to one embodiment, as illustrated, the radius of protuberance 206 is more than the radius of annex 205, therefore, should Protuberance and the annex of frustoconical are connected.

By the protuberance 206, higher property is ensured as the baffle plate of the tongue piece 200 according to this variant embodiment Can because its collect and transmit it is a greater amount of flow to interface 105, hence in so that diaphragm area be inhaled into it is more so that Cause the bigger hole of valve.

It is relevant with the method for fastening or coupling suction/exhalation mouthpiece 102 clearly for such embodiment It is characterized in effective, and it is effective to provide the possibility of the multiple modifications different from each other on the dimensional characteristic of base portion arrangement 's.

It still is based on being further characterized as jointly according to the embodiment of Figure 18 and Figure 19 and Figure 20, Figure 21 tongue piece 200 The leading edge of tongue piece 200, i.e. substantially flat portion 204 towards the edge inside secondary device, its with suction/exhalation Bending is made in the symmetrical mode of central axial line of the diameter parallel of mouthpiece 102, and it towards shared summit by protruding And start from respective side edges it is initial generally radially and straight part, this share summit by bending section with along annex The point of the central axial line of 205 outer surface is overlapped.

The invention is not restricted to above-described embodiment, but can be in the feelings conceived without departing substantially from described and claimed invention Modification and/or change are carried out to the secondary device of the present invention under condition.

Claims

1. a kind of decompression secondary device (1) for using under water, including：

- housing (106), the housing (106) is provided with expiration entrance and suction/exhalation port, passes through the suction/exhalation end Mouthful user suction is supplied to the gas in the housing, and by the suction/exhalation port user by expiratory air Body is fed in the housing, and the housing (106) is provided with the exhaled gas exhaust outlet with check-valves,

- gas is sucked/breathes out port and is connected to suction/exhalation mouthpiece (102), passes through the suction/exhalation mouthpiece (102) expiration is inhaled by the user, and arrives the shell by exhalation by the suction/exhalation mouthpiece (102) gas In body (106),

The expiration entrance in the-housing (106), which is connected to, to be provided with the expiration of hollow barrel-type element or pipe fitting (107) and subtracts Pressure device, the hollow barrel-type element (107) has expiration ingress port (117), and the expiration ingress port (117) passes through valve Connected with gas feed line (103), the valve is inserted in the feed line (103) and the suction for the expiration Enter/breathe out between mouthpiece (102),

What-the housing (106) was provided with pressure-responsive device to control the valve beats opening/closing,

It is characterized in that, it is contemplated that the secondary device (1) is used by the user in stand up position and the decompression is filled The hollow barrel-type element (107) put is connected to the entrance on the housing (106) so that its axis is upright relative to user Position is vertical or substantially vertical, i.e. the sagittal plane substantially with longitudinal axis or as user's body and coronal plane Cross section end to end to diameter parallel, the expiration entrance in the housing (106) is arranged on the bottom of the housing (106) In part；And

Be provided with pipe (101), i.e., so-called bypass pipe, when the pressure-reducing valve is opened, the bypass pipe is exhaled described from institute State decompressor to direct supply in the suction/exhalation mouthpiece (102), the bypass pipe (101) connects at its one end Port (112) to the shell wall for the hollow barrel-type element (107) for being arranged on the decompressor, and connected at opposite end To the port (112') being arranged on the shell wall of the suction/exhalation mouthpiece (102).

2. secondary device (1) according to claim 1, it is characterised in that the housing (106) is provided with check-valves (123) the second exhaled gas exhaust outlet (113), described two outlets (113) are located at the hollow with the decompressor At the sidepiece of the expiration entrance that shape element (107) is connected, in the housing (106).

3. secondary device (1) according to claim 1 or 2, it is characterised in that in the suction/exhalation mouthpiece (102) In be provided with the tongue piece (200) substantially placed in diametric(al), the tongue piece (200) is oriented to transverse to the bypass Manage the axis of (101) and with the extension substantially parallel with the axis of the suction/exhalation mouthpiece (102).

4. secondary device (1) according to claim 3, it is characterised in that the tongue piece (200) is substantially provided in and institute State mouthpiece (102) mid-diameter position overlap height at, or be arranged on the mid-diameter position with relative to place The centre between upper semicircumference when the secondary device for the state worn by user and user are in stand up position Highly locate.

5. the secondary device (1) according to claim 3 or 4, it is characterised in that worn described in user and orthostatic position In putting, the tongue piece essentially horizontally or parallel to the truncation surface on the user head of the medical definition according to the plane prolongs Stretch and/or parallel with a diametral plane or extend with overlapping, the diametral plane is installed in the suction/exhalation and connect with being in Larger-diameter interface (105) in the state of on mouth pipe (102) is overlapped.

6. the secondary device (1) described in one or more in preceding claims 3 to 5, it is characterised in that the tongue piece (200) it is substantially overlapping from its outlet port with the bypass pipe (101) in the suction/exhalation mouthpiece (102) Position is axially extending, and wherein one end is to the inner side of the decompression secondary device, until the suction/exhalation mouthpiece (102) towards user and be intended to be connected to the opposed end regions of interface element (105).

7. the secondary device (1) described in one or more in preceding claims 3 to 6, it is characterised in that the tongue piece With one kind in following construction：

Completely flat；

With at least at least one direction in its basis axially and radially both direction or one according to the two directions Partial bending pattern, and wherein, radius of curvature is different from each other and angle extension of along curved shape is constant or variable.

8. the secondary device (1) described in one or more in preceding claims 3 to 7, it is characterised in that the tongue piece (200) in the region for terminating at outlet port downstream of the bypass pipe (101) in the suction/exhalation mouthpiece (102) The leading edge substantially in diametric(al), and the tongue piece extended up to by an annex (205) and the port of export Salty folded, the annex (205) extends the leading edge of the tongue piece (200).

9. secondary device (1) according to claim 8, it is characterised in that the annex (205) has different shape and chi Very little base portion construction, such as lid or spoon or half-shell.

10. secondary device (1) according to claim 8 or claim 9, it is characterised in that the annex (205) alternatively has One one kind in following is constructed：

According to the first curvature with an axis of the diameter parallel of the suction/exhalation mouthpiece (102), and with basic Upper outlet port of the bypass pipe (101) in the suction/exhalation mouthpiece (102) that correspond to is away from the tongue piece (200) Rear side axial distance predetermined length, and end has lid-like shape；

Be centered around in the diametric(al) relative to the suction/exhalation mouthpiece or with the tongue piece (200) and and its The only one radius of curvature of the upwardly-directed single axis in the parallel side of back edge.

11. the secondary device (1) described in one or more in preceding claims 8 to 10, it is characterised in that described attached Part (205) has the protuberance (206) overlapping with the downside of the tongue piece (200), and the annex is derived from the tongue piece (200) Downside.

12. the secondary device (1) described in one or more in preceding claims 3 to 11, it is characterised in that the tongue Piece (200) by by it with cooperation device that the inner wall of the suction/exhalation mouthpiece (102) couples and that can remove Mode is arranged in the suction/exhalation mouthpiece.

13. the secondary device (1) described in one or more in preceding claims 3 to 12, it is characterised in that described two Stage arrangement (1) is configured to combine with a different set of tongue piece (200), and a different set of tongue piece has different shape and chi Very little characteristic and can alternatively be arranged on the suction/exhalation mouthpiece in.

14. secondary device (1) according to claim 1 or 2, it is characterised in that be arranged on the suction/exhalation mouthpiece (102) part for the port (112') on shell wall is surrounded by the wall being projected into the suction/exhalation mouthpiece (102), And it is bent upwards in the side of the relative port in the port with being connected to the housing (106) of the mouthpiece (102), with Lid wall (121) is formed in the port (112') top, the lid (121) will be exhaled to be made from the bypass pipe (101) direction User's mouth is transmitted.

15. secondary device (1) according to claim 14, it is characterised in that the lid wall (121) the suction/ Exhalation mouthpiece (102) interior Longitudinal extending one gives part, to be formed in the mouthpiece (102) along the mouthpiece (102) length extension and the pipe under conventional use state at the lower shell wall of the suction/exhalation mouthpiece (102) (121), the expiration from the bypass pipe (101) is sent to user's mouth by the pipe (121).

16. the secondary device (1) according to claims 14 or 15, it is characterised in that enter the suction/exhalation mouthpiece (102) scope of the length of the pipe (121) is 5 to 10mm.

17. the secondary device (1) described in one or more in preceding claims 14 to 16, it is characterised in that described The length of the pipe (121) in suction/exhalation mouthpiece (102) is equal to 7mm.

18. the secondary device (1) described in one or more in preceding claims 14 to 17, it is characterised in that described The part of the port relative towards the port with being connected to the housing (106) of the mouthpiece (102) of pipe has increase Open portion.

19. the secondary device (1) described in one or more in preceding claims 14 to 18, it is characterised in that described The portion of opening of increase has 10 ° of angle.

20. a kind of decompression secondary device (1) for using under water, including：

- housing (106), the housing (106) is provided with expiration entrance and suction/exhalation port, user by the suction/ The suction of exhalation port is supplied to gas in the housing, and user by the suction/exhalation port by expiratory air Body is fed in the housing, and the housing (106) is provided with the exhaled gas exhaust outlet with check-valves,

- gas is sucked/breathes out port and is connected with the suction/exhalation mouthpiece (102), is connect by the suction/exhalation The expiration that mouth pipe is inhaled by the user is arrived in the housing (106) by exhalation,

The secondary device also includes：

- pipe, i.e., so-called bypass pipe, when pressure-reducing valve is opened, the bypass pipe is direct from the decompressor by the expiration It is fed in the suction/exhalation mouthpiece (102), the bypass pipe (101) is connected at its one end is arranged on described subtract Port (112) on the shell wall of the hollow barrel-type element (107) of pressure device and it is connected at opposite end and is arranged on the suction Enter/breathe out the port (112') on the shell wall of mouthpiece (102),

Characterized in that, the port is provided with the tongue-shaped of one or more of manufacture in preceding claims 14 to 19 , the wall of lid or pipe (121), it will exhale and be sent to user's mouth from the bypass pipe (101).