CN208683078U - A kind of isolated diving mask - Google Patents

Abstract

The utility model relates to diving equipment technical field, especially a kind of isolated diving mask.It includes respiratory siphon and the mask with air intake passage and exhalation passages, the demarcation plate for the inner space of respiratory siphon to be divided into air-breathing cavity and expiration cavity is provided in respiratory siphon, the top end part of respiratory siphon offers air entry and exhalation vents, air entry is connected by air-breathing cavity with air intake passage, exhalation vents are connected by expiration cavity with exhalation passages, and air entry and exhalation vents are located in the not ipsilateral face domain of respiratory siphon.The utility model on respiratory siphon by opening up air entry and exhalation vents and connection corresponding with the air-breathing cavity and expiration cavity being relatively isolated respectively positioned at different directions side, the channel path that may make fresh air to flow into mask is thoroughly isolated with the channel path that exhaust gas is discharged out of mask, it efficiently avoids being easy the problem of being mixed with fresh air because of exhaust gas recirculation, advantageously ensures that the smoothness that diving personnel breathes under water and the comfort that diving mask uses.

Description

A kind of isolated diving mask

Technical field

The utility model relates to diving equipment technical field, especially a kind of isolated diving mask.

Background technique

Diving is the operations such as to be reconnoitred, salvaged under water or carrying out underwater outdoor activity and enter water surface one kind below Activity, especially underwater swimming take exercises because it can reach, amusement and recreation, ornamental subaqual landscape the purpose of due to by masses Liked；Type diving breathing device also comes into being as a result,.According to the difference of breathing pattern, existing type diving breathing device is main It is divided into two kinds of biting type and face mask type (that is: diving mask), since diving mask is the face for attaching diving personnel using mask And breathed by leading to corrugated hose, it can be improved the comfort of underwater breathing, thus application is rather extensive.

It is distinguished from scavenging way angle, most of diving mask is generally divided into following two on the market at present:

1, one is single channel respiratory tube type diving mask, be similar to number of patent application by 201621063845.6 public affairs A kind of diving mask opened, the air intake passage of such mask and the extension of exhalation passages share a root breath pipe (i.e.: quite In single channel respiratory siphon), when diving personnel, which wears mask, to be breathed under water, discharged breathing exhaust gas and it is inhaled into Outside air is easy to interfere with each other in respiratory siphon, can not be smoothly discharged or be sucked, once cause expiratory dyspnea, Can then greatly security risk be constituted to diving personnel.

2, another kind is binary channels respiratory tube type diving mask, and being similar to number of patent application is 201611119160.3 institutes A kind of disclosed diving mask, such mask is provided in respiratory siphon to be connected to each other with exhalation passages and air intake passage and phase respectively The extension channel (that is: being equivalent to binary channels respiratory siphon) mutually separated is exhaled to solve easy cause of single channel respiratory tube type mask Inhale difficult problem；However, but there is following major defect in such mask: although a, to the exhalation passages and air-breathing in respiratory siphon The extension in channel has carried out isolation setting, but air entry and exhalation vents are substantially the port shared on respiratory siphon (that is: being opened in the port at the top of respiratory siphon on peripheral wall), does not accomplish real meaning so as to cause exhalation passages and air intake passage On isolation, when diving personnel carry out air-breathing when, it is easy to make the exhaust gas being discharged via exhalation passages and its extension send out Raw reflux, and then enter in air intake passage and mixed with ozone, cause unsmooth breath or expiratory dyspnea therewith.B, respiratory siphon The extension of interior exhalation passages and air intake passage carries out isolation setting in a parallel fashion, due to inspiratory airflow be mostly by The top central area of mask body enters in mask body, so that the contour edge of mask body only has side that can make For exhalation passages truly, so that exhaust gas can not equably be drained into the expiration in respiratory siphon out of mask body Thus the extension in channel also easily causes unsmooth breath, influences the comfort that diving personnel breathes under water.

Utility model content

In view of the deficiency of the prior art, the purpose of this utility model is to provide a kind of isolated phreatic surfaces Cover.

To achieve the goals above, the utility model adopts the following technical solution:

A kind of isolated diving mask, it includes that a respiratory siphon and one have the mask of air intake passage and exhalation passages, The respiratory siphon is set to the top of mask and is connected simultaneously with air intake passage and exhalation passages；It is provided in the respiratory siphon At least one is used to for being divided into the inner space of respiratory siphon the demarcation plate of air-breathing cavity and expiration cavity, the top of the respiratory siphon End offers air entry and exhalation vents, and the air entry is connected by air-breathing cavity with air intake passage, and the exhalation vents are logical It crosses expiration cavity to be connected with exhalation passages, and the air entry and exhalation vents are located at the not ipsilateral face domain of respiratory siphon It is interior.

Preferably, one-way exhaust valve is embedded in the exhalation vents.

Preferably, the demarcation plate is two and each other in being distributed side by side altogether, and the demarcation plate is by the inside of respiratory siphon Space is divided into an expiration chamber that air-breathing cavity two sides are located at positioned at the air-breathing cavity of the intermediate region of respiratory siphon and two Road, the air entry are opened on the peripheral wall of respiratory siphon and are located in the contoured surface domain of air-breathing cavity, and the exhalation vents are opened in On the peripheral wall of respiratory siphon and it is located in the contoured surface domain of expiration cavity.

Preferably, the mask includes that facial area is carried out to the rigid lens cover of mask and is installed in the backwater of rigid lens cover Side and the flexibility that the space of the land side of rigid lens cover is divided into breathing chamber and the air-breathing chamber used as air intake passage Lining cover, the exhalation passages are formed between the contour edge of rigid lens cover and flexible liner cover contour edge and are located at air-breathing chamber With the two sides of breathing chamber, and the bottom end of exhalation passages described in twice simultaneously pass through breathing chamber be connected with air-breathing chamber, Top end part is connected with corresponding expiration cavity respectively.

Preferably, the respiratory siphon include bottom end be installed on the top end part of mask respiratory siphon main body, be formed in and exhale The air-breathing hollow out pipe sleeve of air entry is offered on the top end part side of suction pipe main body and peripheral wall and by the top of respiratory siphon main body Mouth is connected the air-flow being integrated with the top ports of air-breathing hollow out pipe sleeve and turns to upper shield；The demarcation plate edge is parallel to respiratory siphon main body Axial direction be set in respiratory siphon main body, the air-flow turns to be additionally provided between upper shield and respiratory siphon main body covers conjunction simultaneously The radial cavity isolation board of the top ports of the top ports and air-breathing hollow out pipe sleeve of respiratory siphon main body, on the radial direction cavity isolation board It offers the first air guide port for air entry to be connected with the inner space that air-flow turns to upper shield and is used for air-breathing cavity The second air guide port being connected with the inner space that air-flow turns to upper shield；The exhalation vents are opened on the peripheral wall of respiratory siphon main body And with corresponding demarcation plate Relative distribution.

Preferably, a water proof floating ball is installed in the air-breathing hollow out pipe sleeve.

Preferably, the " T " shape connection tube of axial cross section shape, the tube axial of the connection tube are provided on the mask Ring is provided with that several positioning locks are convex allly on the peripheral wall in portion, and the bottom end of the respiratory siphon is socketed on the axial pipe portion of connection tube On, the end face of the radial pipe portion of the port surface and connection tube of the respiratory siphon offsets, and on the peripheral wall of the end of the respiratory siphon It offers for the locking notch chimeric for the convex contraposition of positioning lock.

Preferably, closure gasket groove, the closure gasket groove inner sleeve are offered on the periphery wall of the axial pipe portion of the connection tube The sealing ring that internal perisporium equipped with one and respiratory siphon offsets.

Preferably, it is that the circumferential surface of an axial pipe portion along connection tube is formed in the bar blocks on connection tube that the positioning lock is convex Shape structural body, the thickness of radial direction of the first convex circumferential end of the positioning lock in the connection tube main part convex by positioning lock Point make cambered surface towards the first circumferential end and smoothly successively decrease, on the convex radial end face of the positioning lock and is located at the wheel of the first circumferential end Camber line guiding recess is offered in wide region；The chamfered shape that the chamfered shape of the locking notch is convex with positioning lock matches.

Preferably, it further includes a pair of of female connector pipe, and it is clamped to offer first on the periphery wall of the bottom end of the respiratory siphon Annular groove offers the second clamped annular groove on the periphery wall of the radial pipe portion of the connection tube；The docking casing includes being set in First sleeve that the end of respiratory siphon and contraposition are embedded in the first clamped annular groove, be set in it is in the radial pipe portion of connection tube and right Position the second casing being embedded in the second clamped annular groove and the flexible link belt for being linked together first sleeve and the second casing； The locking notch is located in the contour area of the first clamped annular groove.

As the above scheme is adopted, the utility model on respiratory siphon by opening up the air entry positioned at different directions side With exhalation vents and respectively with the air-breathing cavity being relatively isolated and expiration cavity is corresponding is connected to, can not only be formed such as in respiratory siphon Three layers shunt the air-flow flow path and effect of (that is: intermediate air inlet, two sides outlet), and fresh air may make to flow into mask Interior channel path is thoroughly isolated with the channel path that exhaust gas is discharged out of mask, efficiently avoids being easy because of exhaust gas recirculation The problem of being mixed with fresh air advantageously ensures that smoothness that diving personnel breathes under water and diving mask used Comfort.

Detailed description of the invention

Fig. 1 is the Standard schematic diagram of the utility model embodiment；

Fig. 2 is the structural decomposition diagram of the utility model embodiment；

Fig. 3 is the airflow path profile of the utility model embodiment；

Fig. 4 is the structural decomposition diagram of the respiratory siphon of the utility model embodiment；

Fig. 5 is the structural decomposition diagram that the utility model is capable of between the respiratory siphon and mask of embodiment.

Specific embodiment

The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right It is required that the multitude of different ways for limiting and covering is implemented.

As shown in Figures 1 to 5, a kind of isolated diving mask provided in this embodiment, it includes a respiratory siphon a and one Mask b with air intake passage b1 and exhalation passages b2, respiratory siphon a be set to mask b top and simultaneously with air intake passage b1 It is connected with exhalation passages b2；Wherein, at least one is provided in respiratory siphon a for the inner space of respiratory siphon a to be divided into The demarcation plate c of air-breathing cavity a1 and expiration cavity a2 offer air entry d and exhalation vents e, air-breathing in the top end part of respiratory siphon a Mouth d is connected by air-breathing cavity a1 with air intake passage b1, and exhalation vents e then passes through expiration cavity a2 and is connected with exhalation passages b2 It is logical, and air entry d and exhalation vents e are located in the not ipsilateral face domain of respiratory siphon a.

The inner space of respiratory siphon a is separated to form the expiration cavity a2 being relatively isolated using demarcation plate c as a result, With air-breathing cavity a1, so as to form internal at least tool, there are two the respiratory siphons of channel design, and by being opened up on respiratory siphon a Air entry d and exhalation vents e and connection corresponding with air-breathing cavity a1 and expiration cavity a2 respectively positioned at different directions side, may make The channel path that fresh air flows into mask b is thoroughly isolated with the channel path that exhaust gas is discharged out of mask b, is effectively prevented from It is easy the problem of being mixed with fresh air because of exhaust gas recirculation, advantageously ensures that diving personnel breathes smooth under water The comfort that property and diving mask use.

When to guarantee diving personnel's dive to underwater deeper position, still being able to progress expiration in short-term and avoiding water by exhaling Port e is invaded in mask b, or avoids water from being invaded in mask b by exhalation vents e when diving personnel carries out in low relief, the present embodiment Exhalation vents e in be embedded with one-way exhaust valve f.

For make full use of respiratory siphon a inner space and guarantee mask b in exhalation passages b2 can comprehensively with exhale Air cavity road a2 is connected to, thus guarantee diving personnel exhale harmony, the demarcation plate c of the present embodiment be altogether two and mutually Between in being distributed side by side so that the inner space of respiratory siphon a can be divided into an intermediate region for being located at respiratory siphon a by demarcation plate c Air-breathing cavity a1 and two expiration cavity a2 for being located at the two sides air-breathing cavity a1；At this point, air entry d is opened in respiratory siphon In contoured surface domain on the peripheral wall of a and positioned at air-breathing cavity a1, and exhalation vents e is then opened on the peripheral wall of respiratory siphon a and is located at In the contoured surface domain of expiration cavity a2.Be equivalent to as a result, and form three layers of flow dividing structure in respiratory siphon a, with realize it is intermediate into Gas, the gas circulation effect of two sides outlet；By taking the structure of the mask body of traditional diving mask as an example, due to air intake passage portion Divide is to be located in the central region of the land side of mask body, and exhalation passages part is then the contour edge positioned at mask body And the two sides of air intake passage part are located at, it at this time can exhaling two sides respectively using two exhalation passages a2 of the present embodiment Gas channel part is connected to, so that diving personnel is when exhaling, off-gas flows can be more balancedly from mask body Interior discharge is conducive to the comfort for improving the smoothness of breathing and using.Certainly, it can also be used in the demarcation plate c of the present embodiment His structure type, such as sleeved structure are relatively isolated so as to form two of concentric co-axial distribution in the inside of respiratory siphon a Cavity, using center cavity as air-breathing cavity, using outside cavity as expiration cavity.

As a preferred embodiment, it is the structure for optimizing entire mask to the maximum extent, enhances the practicality energy, this implementation The mask b of example includes that (it can be as the case may be using region-wide transparent by the rigid lens cover 11 of facial area progress mask Form or the transparent form of regional area, and making material then by plastic material injection molding and can have enough structures strong Degree) and be installed in the land side of rigid lens cover 11 and the space of the land side of rigid lens cover 11 is divided into air-breathing chamber (can be with Being interpreted as it is located in ocular, and to play the role of observing subaqual landscape for diving personnel simultaneously, making material can be by Flexible silica gel is made) and breathing chamber b3 (can be understood as its be located at oro-nasal region in, exhaled with being provided for diving personnel Inhale the space of ventilation) flexible liner cover 12, wherein air-breathing chamber comes to use and exhalation passages b2 then shape as air intake passage b1 At between the contour edge of rigid lens cover 11 and the contour edge of flexible liner cover 12 and being located at air-breathing chamber and respiratory cavity The two sides of room b3, and the bottom end of twice exhalation passages b2 passes through breathing chamber b3 simultaneously and is connected with air-breathing chamber, top Portion is then connected with corresponding exhalation passages b2 respectively.The sizing to mask b and guarantor can be realized using rigid lens cover 11 as a result, The basis of the structural strength of mask b is demonstrate,proved, and can then carry out function division to the region of mask b using flexible liner cover 12 and guarantee it With the compactness of facial contact.

For the structure for optimizing respiratory siphon to the maximum extent, the respiratory siphon a of the present embodiment includes that bottom end is installed in mask b Respiratory siphon main body 21 on top end part is formed on the top end part side and peripheral wall of respiratory siphon main body 21 and offers air entry d's What air-breathing hollow out pipe sleeve 22 and be connected the top ports of respiratory siphon main body 21 with the top ports of air-breathing hollow out pipe sleeve 22 was integrated Air-flow turns to upper shield 23；Demarcation plate c is set in respiratory siphon main body 21 along the axial direction for being parallel to respiratory siphon main body 21, in gas Stream turns to the top ports and air-breathing hollow out for being additionally provided between upper shield 23 and respiratory siphon main body 21 and covering close respiratory siphon main body 21 simultaneously The radial cavity isolation board 24 of the top ports of pipe sleeve 22 is offered on radial cavity isolation board 24 for by air entry d and gas The the first air guide port a3 and be used to air-breathing cavity a1 and air-flow turning to upper shield 23 that the inner space that stream turns to upper shield 23 is connected The second air guide port a4 for being connected of inner space；Exhalation vents e be then opened on the peripheral wall of respiratory siphon main body 21 and with it is corresponding Demarcation plate c Relative distribution.As a result, on the basis of realizing the function of the intermediate air inlet of respiratory siphon a, two sides outlet, by expiration The position setting of mouth e may make the top end part of respiratory siphon a to form the exhaust structure like fish gill formula, be more advantageous to the smooth of breathing Property.

In addition, water is invaded via air entry d to mask after to avoid respiratory siphon a integrally to slip under water to the maximum extent In b, a water proof floating ball 25 is installed in air-breathing hollow out pipe sleeve 22.As a result, when the whole of respiratory siphon a is once slipped into underwater Afterwards, due to the buoyancy meeting of water so that water proof floating ball 25 upwards float and finally block the first air guide port a3, thus separate into Air entry d and air-breathing cavity a1 is invaded via air entry d to mask b to avoid external water；When respiratory siphon a (especially inhales Gas hollow out pipe sleeve 22) above the water surface when, since the gravity of water proof floating ball 25 can make its sinking, to make the first air guide port A3 and air entry d is conducted in order to which diving personnel carries out air-breathing.

It certainly, is the structure cohesion for guaranteeing mask b and respiratory siphon a, convenient for integrally carrying out folding storage or expansion to mask It uses, as shown in figure 5, the connection tube 13 being connected to each other with respiratory siphon a can be set in mask a (specially rigid lens cover 11), and The arrangement form that the inner space of connection tube 13 can refer to demarcation plate c carries out space division, divides to be formed in connection tube 13 The channel design not being connected with exhalation passages b2 and air-breathing chamber.Specifically: axial cross section shape is provided on mask b is in " T " shaped connection tube 13 (the present embodiment addressed it is "T"-shaped be not limited to the "T"-shaped of standard, also be included in connection tube 13 With the structural form of an annular end face on periphery wall), if ring is provided on the peripheral wall of the axial pipe portion of connection tube 13 allly A dry positioning lock convex 14, the bottom end of respiratory siphon a is socketed in the axial pipe portion of connection tube 13, and the port surface of respiratory siphon a with The end face of the radial pipe portion of connection tube 13 offsets, and correspondingly, is offered on the peripheral wall of the bottom end of respiratory siphon a for for positioning Lock the chimeric locking notch 15 of convex 14 contraposition.It is improved as a result, by the structure to connection tube 13 and respiratory siphon a, so that user exists When carrying out Standard to respiratory siphon a and mask b, convex 14 contraposition of positioning lock can be made by 13 sleeve of connection tube in respiratory siphon a While being fastened in locking notch 15 to guarantee that connection tube 13 is securely connect with respiratory siphon a, make the port surface of respiratory siphon a Just contradict on the end face of the radial pipe portion of connection tube 13 with using the structural form of connection tube 13 to the port of respiratory siphon a into Row sealing；Meanwhile being sealed that (certainly, the clamped notch e of the present embodiment can also be adopted using convex 14 couples clamped notch e of positioning lock With the groove-like structure type on the internal perisporium for being opened in respiratory siphon a)；To eliminate connection tube 13 and respiratory siphon to the maximum extent Structure gap between a avoids and is easy to cause the problem of choking water because external water is invaded in mask b by structure gap.In addition, Due to having certain sleeve distance between respiratory siphon a and connection tube 13, under the cooperation of positioning lock convex 14 and locking notch 15, A possibility that respiratory siphon a is mutually disengaged with connection tube 13 in the presence of hydraulic pressure is reduced, ensure that respiratory siphon a and mask b Firm connection.

To eliminate the structure gap between connection tube 13 and respiratory siphon a to the maximum extent, in the axial pipe portion of connection tube 13 Periphery wall on offer closure gasket groove (being not marked in figure), an internal perisporium phase with respiratory siphon a is set in closure gasket groove The sealing ring 16 supported, to block external water by respiratory siphon a and linking using the elastic buffer and sealing function of sealing ring 16 Structure gap between pipe 13 is invaded to the path in mask b.As one of preferred embodiment, the sealing ring 16 of the present embodiment Using bellows-like structure body (it is to be understood that the structural form for being similar to external screw thread shape).

For convenient for carrying out fast assembling-disassembling to respiratory siphon a, so that dismounting, the transportation for mask entirety provide condition, The positioning lock of embodiment convex 14 is one to be formed in the bar shaped bulk knot on connection tube 13 along the circumferential surface of the axial pipe portion of connection tube 13 Structure body, the first circumferential end (that is: one of end) of positioning lock convex 14 the radial direction of connection tube 13 thickness by fixed The main part of position lock convex 14 towards the first circumferential end makees cambered surface and smoothly successively decreases (that is: to be equivalent to the outer of one end of positioning lock convex 14 Circumferential surface be an arc slope surface), meanwhile, on the radial end face of positioning lock convex 14 (that is: with the end face of the radial pipe portion of connection tube 13 Opposite end face) and be located at the first circumferential end contour area in offer camber line guiding recess 17；Lock the wheel of notch 15 Profile shape matches with the chamfered shape of positioning lock convex 14.As a result, by the structure optimization to positioning lock convex 14, by connection tube 13 sleeves can be such that positioning lock convex 14 slides into locking notch 15 to complete after in respiratory siphon a in a manner of rotating or twist Assembly locking between respiratory siphon a and connection tube 13；Conversely, then positioning lock can be made convex by rotating backward respiratory siphon a or mask b 14 by skidding off the dismantling to complete to the two in locking notch c.

To further enhance the sealing structure after respiratory siphon a and the progress Standard of connection tube 13, the present embodiment is dived Face guard further includes a pair of of female connector pipe, and the first clamped annular groove is offered on the periphery wall of the end of respiratory siphon a and (is not marked in figure Note), the second clamped annular groove (being not marked in figure) is offered on the periphery wall of the radial pipe portion of connection tube 13；And dock casing then First sleeve 18-1 that end and contraposition including being set in respiratory siphon a are embedded in the first clamped annular groove, it is set in connection tube In 13 radial pipe portion and align the second casing 18-2 for being embedded in the second clamped annular groove and by first sleeve 18-1 and the The flexible link belt 18-3 that two casing 18-2 are linked together；And lock the contour area that notch 15 is then located at the first clamped annular groove It is interior.As a result, using first sleeve 18-1 further to the structure gap being formed between locking notch 15 and positioning lock convex 14 It is closed, while making respiratory siphon a and mask b that can carry out disassembling but inseparable using entire docking casing, so as to diving Mask carries out transportation or storage.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported Used in other related technical areas, it is also included in the patent protection scope of the utility model.

Claims (10)

1. a kind of isolated diving mask, it includes a respiratory siphon and a mask with air intake passage and exhalation passages, institute Respiratory siphon is stated to be set to the top of mask and be connected with air intake passage and exhalation passages simultaneously；It is characterized by: the breathing At least one demarcation plate for being used to for being divided into the inner space of respiratory siphon air-breathing cavity and expiration cavity is provided in pipe, it is described The top end part of respiratory siphon offers air entry and exhalation vents, and the air entry is connected by air-breathing cavity with air intake passage, institute It states exhalation vents and is connected by expiration cavity with exhalation passages, and the air entry and exhalation vents are located at the difference of respiratory siphon In the face domain of side.

2. a kind of isolated diving mask as described in claim 1, it is characterised in that: embedded with unidirectional row in the exhalation vents Air valve.

3. a kind of isolated diving mask as described in claim 1, it is characterised in that: the demarcation plate is two and mutually altogether Between in being distributed side by side, the inner space of respiratory siphon is divided into the suction chamber for the intermediate region that one is located at respiratory siphon by the demarcation plate Road and two are located at the expiration cavity of air-breathing cavity two sides, and the air entry, which is opened on the peripheral wall of respiratory siphon and is located at, to be inhaled In the contoured surface domain in air cavity road, the exhalation vents are opened on the peripheral wall of respiratory siphon and are located in the contoured surface domain of expiration cavity.

4. a kind of isolated diving mask as claimed in claim 3, it is characterised in that: the mask include by facial area into It the rigid lens cover of row mask and is installed in the land side of rigid lens cover and the space of the land side of rigid lens cover is divided into breathing The flexible liner cover of chamber and the air-breathing chamber used as air intake passage, the exhalation passages are formed in the profile side of rigid lens cover Two sides between edge and flexible liner cover contour edge and positioned at air-breathing chamber and breathing chamber, and the bottom of exhalation passages described in twice End passes through breathing chamber simultaneously and air-breathing chamber is connected, top end part is connected with corresponding expiration cavity respectively.

5. a kind of isolated diving mask as claimed in claim 3, it is characterised in that: the respiratory siphon includes bottom end installing In on the top end part of mask respiratory siphon main body, be formed in respiratory siphon main body top end part side and peripheral wall on offer air entry Air-breathing hollow out pipe sleeve and the top ports of respiratory siphon main body are connected the air-flow being integrated with the top ports of air-breathing hollow out pipe sleeve Turn to upper shield；The demarcation plate is set in respiratory siphon main body along the axial direction for being parallel to respiratory siphon main body, and the air-flow turns The top ports for closing respiratory siphon main body and the top of air-breathing hollow out pipe sleeve are covered simultaneously to being additionally provided between upper shield and respiratory siphon main body Mouthful radial cavity isolation board, the inside for air entry and air-flow to be turned to upper shield is offered on the radial direction cavity isolation board The first air guide port that space is connected and second for air-breathing cavity to be connected with the inner space that air-flow turns to upper shield is led Port；The exhalation vents be opened on the peripheral wall of respiratory siphon main body and with corresponding demarcation plate Relative distribution.

6. a kind of isolated diving mask as claimed in claim 5, it is characterised in that: be installed in the air-breathing hollow out pipe sleeve One water proof floating ball.

7. such as a kind of isolated diving mask of any of claims 1-6, it is characterised in that: be arranged on the mask The connection tube for having axial cross section shape " T " shape, ring is provided with several allly on the peripheral wall of the axial pipe portion of the connection tube Positioning lock is convex, and the bottom end of the respiratory siphon is socketed in the axial pipe portion of connection tube, the port surface of the respiratory siphon be connected The end face of the radial pipe portion of pipe offsets, and is offered on the peripheral wall of the end of the respiratory siphon for chimeric for the convex contraposition of positioning lock Locking notch.

8. a kind of isolated diving mask as claimed in claim 7, it is characterised in that: outside the axial pipe portion of the connection tube Closure gasket groove is offered on peripheral wall, and a sealing ring to offset with the internal perisporium of respiratory siphon is set in the closure gasket groove.

9. a kind of isolated diving mask as claimed in claim 7, it is characterised in that: the convex positioning lock is one along connection tube The circumferential surface of axial pipe portion be formed in the bar shaped soil block cloddy on connection tube, the first convex circumferential end of the positioning lock is being held in the mouth The thickness of the radial direction of adapter tube makees cambered surface towards the first circumferential end by the convex main part of positioning lock and smoothly successively decreases, the positioning It locks on convex radial end face and offers camber line guiding recess in the contour area of the first circumferential end；The locking notch The chamfered shape chamfered shape convex with positioning lock match.

10. a kind of isolated diving mask as claimed in claim 7, it is characterised in that: it further includes a pair of of female connector pipe, described The first clamped annular groove is offered on the periphery wall of the bottom end of respiratory siphon, is opened up on the periphery wall of the radial pipe portion of the connection tube There is the second clamped annular groove；The docking casing includes the end for being set in respiratory siphon and contraposition is embedded in the first clamped annular groove First sleeve is set in the radial pipe portion of connection tube and aligns the second casing being embedded in the second clamped annular groove and by The flexible link belt that sleeve and the second casing are linked together；The locking notch is located at the contour area of the first clamped annular groove It is interior.