CN209051570U - A kind of respirator that snorkels can be realized quick expiration function - Google Patents

Abstract

The utility model discloses a kind of respirator that snorkels that can be realized quick expiration function, and the respirator that snorkels that this kind can be realized quick expiration function includes mask, the first breathing tube assembly and two expiratory one-way valves.Wherein, mask includes outer mask and respirator, and respirator is set in outer mask, and respirator is equipped with respiratory cavity；First breathing tube assembly includes the first respiratory siphon, and the first respiratory siphon is connect with respirator；Expiratory one-way valve connect installation with outer mask and respirator；When air-breathing, outside air enters respiratory cavity by the first respiratory siphon；When expiration, at least expiratory one-way valve conducting, the gas of exhalation is flowed to the outside of outer mask by respiratory cavity.Technical solutions of the utility model are conducive to for exhaled gas being quickly discharged, improve expiration efficiency, effectively prevent the mixing of air and exhaled gas, improve the safe application performance of product by increasing exhalation vents.

Description

A kind of respirator that snorkels can be realized quick expiration function

Technical field

The utility model relates to diving equipment technical fields, in particular to a kind of to can be realized snorkeling for quick expiration function Respirator.

Background technique

Diving is used as an amusement, by the favor for enjoying the more and more people to roam leisurely in water.One kind can be real Now the respirator that snorkels of quick expiration function helps people freely to breathe during diving, is essential in underwater swimming Equipment.

Currently used dry type respirator, be using being internally provided with the respiratory siphons of air intake passage and exhalation passages, and So that its is stretched out the water surface, enable one to suck fresh air by the air intake passage of respiratory siphon, while by the titanium dioxide of exhalation Carbon passes through the discharge of exhalation channel.However, when the carbon dioxide gas scale of construction of exhalation is larger, by only having the breathing of an exhalation vents Tube capacity easily leads to gas and cannot be discharged in time, and exhaled gas and the air of sucking is caused to be mixed in respiratory cavity body, allows people There is nervous, uncomfortable in chest, or even the feeling of asphyxia, to make people have difficulty in breathing in use, to the movement that snorkels In personal safety threaten.

Utility model content

The main purpose of the utility model is to provide a kind of respirator that snorkels that can be realized quick expiration function, it is intended to make Exhaled gas is quickly discharged, and improves expiration efficiency, promotes the safe application performance of product.

To achieve the above object, the utility model proposes a kind of respirator that snorkels that can be realized quick expiration function, Including mask, mask includes outer mask and respirator, and the respirator is set in the outer mask, and the respirator is equipped with and exhales Inhale chamber；First breathing tube assembly, including the first respiratory siphon, first respiratory siphon are connect with the respirator；And two exhaled Gas check valve connect installation with the outer mask and the respirator；

When air-breathing, outside air enters the respiratory cavity by first respiratory siphon；When expiration, at least one expiration is single It is connected to valve, the gas of exhalation is flowed to the outside of outer mask by the respiratory cavity.

Optionally, described two expiratory one-way valves include the first expiratory one-way valve and the second expiratory one-way valve, when expiration, institute State the conducting of the first expiratory one-way valve；Second expiratory one-way valve is connected and installed with air flow sensor, to be controlled according to expiration amount Second expiratory one-way valve is turned on and off.

Optionally, the first breathing tube assembly further includes breather cheek valve, and first respiratory siphon passes through the air-breathing Check valve is connect with the respirator；Alternatively, the breather cheek valve is set in first respiratory siphon, first respiratory siphon It is connect with the respirator；When air-breathing, the breather cheek valve conducting, gas enters to described exhale by first respiratory siphon Inhale chamber.

Optionally, first respiratory siphon is connect by the breather cheek valve with the respirator, and the air-breathing is unidirectional Valve includes the valve deck equipped with inlet end and the valve body equipped with outlet side, and the valve deck is installed on first respiratory siphon, the valve Body is installed on the respirator, and the outer mask is equipped with the first installing port, and the valve deck and the valve body pass through first peace Mouth is filled to be threadedly coupled.

Optionally, first respiratory siphon includes tube body and the top cover for being covered on the tube body top, the tube body bottom end Installation is connect with the valve deck, the top of the tube body is equipped with the air inlet flowed into for air, is provided with leakproof in the tube body Water-bound.

Optionally, the water leak preventing structure includes the accommodating cavity of sealing element, buoyant spheres and the corresponding air inlet, described close Sealing is installed on the open end of the accommodating cavity and is equipped with opening, and the buoyant spheres are set in the accommodating cavity and can be towards close Or the direction far from the sealing element is floated；When the buoyant spheres are close to the sealing element, the opening is blocked；When described floating When power ball is far from the sealing element, the accommodating cavity is connected to the tube body.

Optionally, the air inlet includes multiple air inlet ducts arranged side by side, wall surface of the air inlet duct from the tube body Inwardly the direction of the top cover is obliquely extended.

Optionally, a kind of respirator that snorkels can be realized quick expiration function further includes the second breathing tube assembly, The second breathing tube assembly includes the second respiratory siphon and check valve, and second respiratory siphon is exhaled by the check valve with described Suction hood connection；Alternatively, the check valve is set in second respiratory siphon, second respiratory siphon is connect with the respirator.

Optionally, the check valve uses the breather cheek valve, and second respiratory siphon passes through the breather cheek valve It is connect with the respirator；Alternatively, the breather cheek valve be set to second respiratory siphon in, second respiratory siphon with it is described Respirator connection.

Optionally, cavity, the breathing are formed between the medial surface of the outer mask and the lateral surface of the respirator It is covered with the through-hole for being connected to the cavity and the respiratory cavity.

Technical solutions of the utility model are by using mask, the first breathing tube assembly and two expiratory one-way valves, by making The first respiratory siphon in first breathing tube assembly is connect with respirator in mask, in air-breathing, air passes through the first respiratory siphon It flows into respiratory cavity；Meanwhile using two expiratory one-way valves, with when exhaling, the conducting of an at least expiratory one-way valve makes to breathe out Gas flows out to outside by an expiratory one-way valve or two expiratory one-way valves.Since expiratory one-way valve is directly by respiratory cavity With turned on outside, the distance for flowing out gas is shorter, and two exhalation check valves simultaneously turn on and increase the outflow body of gas Product, enables exhaled gas to flow out rapidly, to significantly improve expiration efficiency, avoids the mixing of air and exhaled gas, make to send out Raw sense of discomfort uncomfortable in chest, asphyxia significantly reduces, and is greatly improved the safe application performance of respirator.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is a kind of structural representation for one embodiment of respirator that snorkels that can be realized quick expiration function of the utility model Figure；

Fig. 2 is the explosive view of mask in Fig. 1；

Fig. 3 is that the first respiratory siphon one is implemented in a kind of respirator that snorkels that can be realized quick expiration function of the utility model The structural schematic diagram of example；

Fig. 4 is the partial enlarged view in Fig. 3 at A.

Drawing reference numeral explanation:

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model Protection scope within.

The utility model proposes a kind of respirators 1 that snorkels that can be realized quick expiration function.

It please refers to Fig.1 to Fig.4.

In the utility model embodiment, it is a kind of can be realized quick expiration function snorkel respirator 1 include mask 10, First breathing tube assembly 20 and two expiratory one-way valves 30.Wherein, mask 10 includes outer mask 11 and respirator 12, respirator 12 are set in outer mask 11, and respirator 12 is equipped with respiratory cavity 121；First breathing tube assembly 20 includes the first respiratory siphon 21, the One respiratory siphon 21 is connect with respirator 12；Two expiratory one-way valves 30 connect installation with outer mask 11 and respirator 12；Air-breathing When, outside air enters respiratory cavity 121 by the first respiratory siphon 21；When expiration, the conducting of an at least expiratory one-way valve 30, the gas of exhalation Body is flowed to the outside of outer mask 11 by respiratory cavity 121.

Specifically, mask 10 helps people freely to breathe under water for dressing.Mask 10 includes outer mask 11 and breathing Cover 12.Outer mask 11 is made in general, outer mask 11 is whole of transparent material, mainly for the protection of face in order in water With the preferable visual field, the part of corresponding eye can also be only set to be made of transparent material certainly, so that moulding is changeable.Respirator 12 are installed in outer mask 11, and for breathing wearing, respirator 12 is equipped with respiratory cavity 121, are carried out when use by respiratory cavity 121 Breathing, at the same by respirator 12 will breathe part and eye portion every, avoid breathing gas effect with outer mask 11 on generate mist Gas influences the visual field.Preferably, respirator 12 is made of silica gel material.

In addition, can be by the way that V-arrangement item 14 be arranged on the top of respirator 12, to be bonded the trigonum of face, to increase breathing The compactness of cover 12 and face.Also Silicone Rubber 13 can be set in the external of mask 10, make Silicone Rubber 13 along the circumferential direction of outer mask 11 Annular is arranged and connect installation with outer mask 11, be bonded mask 10 with face by Silicone Rubber 13, increases relaxing for mask 10 Appropriateness.Mounting bracket 15 can be also set on mask, for the installation of filming apparatus, be convenient for underwater photography.

First breathing tube assembly 20 includes the first respiratory siphon 21, connect the first respiratory siphon 21 with respirator 12, to inhale When gas, bypasses air through the first respiratory siphon 21 and flow into respiratory cavity 121.Using two expiratory one-way valves 30, make two expiration Check valve 30 connect installation with respirator 12 and outer mask 11, with when exhaling, an at least expiratory one-way valve 30 is connected As needed, in practical applications, a conducting of expiratory one-way valve 30 or two expiratory one-way valves 30 are simultaneously turned on, or The one of conducting of expiratory one-way valve 30 of person makes another expiratory one-way valve 30 according to the conducting of expiration amount control expiratory one-way valve 30 Or it closes.Change or increase the outflow space of exhaled gas by the setting of expiratory one-way valve 30, keeps exhaled gas rapid Discharge, significantly improves expiration efficiency, effectively avoids the mixing of air and exhaled gas in respiratory cavity 121.Two are exhaled unidirectionally Valve 30 may be disposed at any position of respirator 12, in the present embodiment, make wherein an expiratory one-way valve 30 be right against oral area and set It is placed in respirator 12, the corresponding aforementioned breathing check valve 30 of another expiratory one-way valve 30 is set to the lower part of respirator 12, makes its edge The flow direction of exhaled gas is configured, and further increases the discharge rate of gas.

Technical solutions of the utility model breathe tube assembly 20 and two expiratory one-way valves 30 by using mask 10, first, By connecting the first respiratory siphon 21 in the first breathing tube assembly 20 with respirator 12 in mask 10, in air-breathing, air It is flowed into respiratory cavity 121 by the first respiratory siphon 21；Meanwhile using two expiratory one-way valves 30, with when exhaling, at least one Expiratory one-way valve 30 is connected, and flows out to exhaled gas by an expiratory one-way valve 30 or two expiratory one-way valves 30 outer Portion.Since expiratory one-way valve 30 is directly by respiratory cavity 121 and turned on outside, the distance for flowing out gas is shorter；And two are exhaled Check valve 30 simultaneously turns on the elution volume for increasing gas out, so that exhaled gas is flowed out rapidly, to significantly improve expiration Efficiency avoids the mixing of air and exhaled gas, makes to occur uncomfortable in chest, asphyxia sense of discomfort and significantly reduces, is greatly improved and exhales The safe application performance of haustorium.

Refering to fig. 1 and Fig. 2, two expiratory one-way valves 30 include the first expiratory one-way valve 31 and the second expiratory one-way valve 32, When expiration, the conducting of the first expiratory one-way valve 31；Second expiratory one-way valve 32 is connected and installed with air flow sensor (not shown), with root Being turned on and off for the second expiratory one-way valve 32 is controlled according to expiration amount.By using air flow sensor, when exhaling large-minded, second Expiratory one-way valve 32 senses to be connected after air-flow increases, and is increased the outflow space of gas, is flowed out exhaled gas rapidly；Expiration amount Hour, the second expiratory one-way valve 32 close, exhaled gas by the first expiratory one-way valve 31 discharge, increase use it is flexible Degree, so that design is more humanized.

Refering to fig. 1 and Fig. 3, the first breathing tube assembly 20 further includes breather cheek valve 22, and the first respiratory siphon 21 passes through air-breathing Check valve 22 is connect with respirator 12；Alternatively, breather cheek valve 22 is set in the first respiratory siphon 21, the first respiratory siphon 21 and breathing 12 connection of cover；When air-breathing, breather cheek valve 22 is connected, and gas enters to respiratory cavity 121 by the first respiratory siphon 21.By using Breather cheek valve 22, when making air-breathing, the first respiratory siphon 21 is connected to the direction of respiratory cavity 121, and air passes through the first respiratory siphon 21 Respiratory cavity 121 is flowed into, flow channel is formed.Meanwhile installing port is set on outer mask 11, make the first respiratory siphon 21 and air-breathing Check valve 22 is installed by installing port.Here, two kinds of mounting means can be used with breather cheek valve 22 in the first respiratory siphon 21: One is making the first respiratory siphon 21 connect installation with respirator 12 across installing port by breather cheek valve 22, to be connected to respirator 12 and external environment, breather cheek valve 22 be mountable to any position of the first respiratory siphon 21, it is preferable that breather cheek valve 22 is set Be placed in the bottom end of the first respiratory siphon 21 so that the first respiratory siphon 21 has longest length, in use to the depth that snorkels have compared with Good flexibility and adaptability.Another kind is set to breather cheek valve 22 in first respiratory siphon 21, and the first respiratory siphon 21 is worn It crosses installing port and connect installation with respirator 12.

Refering to Fig. 2 and Fig. 3, the first respiratory siphon 21 is connect by breather cheek valve 22 with respirator 12, breather cheek valve 22 Valve body 222 including being equipped with the valve deck 221 of inlet end and equipped with outlet side, valve deck 221 are installed on the first respiratory siphon 21, valve body 222 are installed on respirator 12, and outer mask 11 is equipped with the first installing port 111, and valve deck 221 and valve body 222 pass through the first installing port 111 It is threadedly coupled.By making valve deck 221 and valve body 222 be respectively arranged in the first respiratory siphon 21 and respirator 12, valve deck 221 and valve body 222 are threadedly coupled the connection for realizing the first respiratory siphon 21 and respirator 12, not only facilitate installation, have preferable sealing effect. Maintenance and replacement in being easy to use simultaneously to breather cheek valve 22.It of courses, other mounting means can also be used, such as make air-breathing Check valve 22 is installed on the first respiratory siphon 21, and breather cheek valve 22 connect installation with respirator 12；Or breather cheek valve 22 is pacified Loaded on respirator 12, installation then is connect with the first respiratory siphon 21 again.It is easily understood that the peace of valve body 222 and valve deck 221 Plate also can be used in addition to using being threadedly coupled in installation between dress, breather cheek valve 22 and the first respiratory siphon 21 or respirator 12 The modes such as formula connection or clamping.

Refering to Fig. 3, the first respiratory siphon 21 includes tube body 211 and the top cover 212 for being covered on 211 top of tube body, 211 bottom of tube body End connect installation with valve deck 222, and the top of tube body 211 is equipped with the air inlet 2111 flowed into for air, is provided in tube body 211 anti- Water-leaking structure.By tube body 211, the air inlet 2111 bypassed air through on tube body 211 is flowed into, and flow to respiratory cavity through piping 121.Water leak preventing structure is equipped in tube body 211, seal pipeline by water leak preventing structure when air inlet 2111 submerges underwater Close, avoid water flowing into pipeline internal resistance die body circulation after cause the water that suffocates and choke.By using top cover 212, keep top cover 212 removable It unloads and is covered on tube body 211, be not only convenient for leaching in water of discussing remaining in tube body 211, and conveniently carry out clearly tube body 211 It is clean, make tube body 211 keep completely, ensureing human health.

Refering to Fig. 4, water leak preventing structure includes the accommodating cavity of sealing element 2114, buoyant spheres 2116 and corresponding air inlet 2111 2113, sealing element 2114 is installed on the open end of accommodating cavity 2113 and is equipped with opening 2115, and buoyant spheres 2116 are set to accommodating cavity It can float in 2113 and towards the direction close to or far from sealing element 2114；When buoyant spheres 2116 are close to sealing element 2114, block up Plug opening；When buoyant spheres 2116 are far from sealing element 2114, accommodating cavity 2113 is connected to tube body 211.In the present embodiment, in tube body Accommodating cavity 2113 is set in 211, and sealing element 2114 is set to the open end of accommodating cavity 2113 and is equipped with opening 2115, accommodating cavity 2113 It is connected to inside tube body 211 by opening 2115.Buoyant spheres 2116 are set in accommodating cavity 2113 and can be towards close to or far from close The direction of sealing 2114 is floated so that when air inlet 2111 is submerged in water, after water enters accommodating cavity 2113, buoyant spheres 2116 by Promotion to water is floated towards the direction of sealing element 2114, occlusion of openings 2115, by inside accommodating cavity 2113 and tube body 211 every From, prevent water flow into tube body 211 in.After air inlet 2111 exposes the surface, water passes through air inlet 2111 from accommodating cavity 2113 Outflow, buoyant spheres 2116 fall under the effect of gravity, open opening 2115, are connected to inside accommodating cavity 2113 and tube body 211, air It is normally flowed into from air inlet 2111.Preferably, silica gel part can be used in sealing element 2114, realizes preferable sealing effect.Buoyant spheres 2116 can be used taper ball, right to increase buoyant spheres 2116 and carving for opening 2115, meanwhile, it can also be in the outer of buoyant spheres 2116 Circumferential surface is arranged layer of silica gel, further strengthens the sealing effect between buoyant spheres 2116 and silica gel part.

Further, making air inlet 2111 includes multiple air inlet ducts 2112 arranged side by side, and air inlet duct 2112 is from tube body 211 The direction of wall surface inwardly top cover be obliquely extended.Form air inlet duct 2112 from accommodating cavity 2113 towards 211 wall of tube body The slot bottom that face extends obliquely, so that water flows outward along slot bottom when entering accommodating cavity 2113, enhances the row of tube body 211 It is aqueous, enhance the waterproof effect of the first respiratory siphon 21.

Refering to fig. 1, a kind of respirator 1 that snorkels can be realized quick expiration function further includes the second breathing tube assembly 40, Second breathing tube assembly 40 includes the second respiratory siphon 41 and check valve 42, and the second respiratory siphon 41 passes through check valve 42 and respirator 12 Connection；Alternatively, check valve 42 is set in the second respiratory siphon 41, the second respiratory siphon 41 is connect with respirator 12.Using the second breathing Tube assembly 40 is connected to by the second respiratory siphon 41 with respirator 12, and the air inflow or expiration amount of respirator 12 can be increased, and improves one Kind can be realized the service performance of the respirator 1 that snorkels of quick expiration function.

In the present embodiment, check valve 42 uses breather cheek valve 22, and the second respiratory siphon 41 passes through breather cheek valve 22 and exhales Suction hood 12 connects；Alternatively, breather cheek valve 22 is set in the second respiratory siphon 41, the second respiratory siphon 41 is connect with respirator 12.By It moves that the underwater time is longer in snorkeling, by increasing the air inlet amount of respirator 12, is conducive to significantly improve product Usage experience.Therefore, check valve 42 uses breather cheek valve 22 in the second breathing tube assembly 40, bypasses air through the second respiratory siphon 41 flow into respiratory cavity 121, ensure that the air capacity in respiratory cavity 121, improve using effect.It of courses, check valve 42 can also Using expiratory one-way valve 30, to improve expiration discharge rate.Check valve 42 and the connection mounting means of the second respiratory siphon 41 are similar to The mounting means of above-mentioned first respiratory siphon 21 and breather cheek valve 22, details are not described herein.

Refering to fig. 1 and Fig. 2, it is formed with cavity 112 between the medial surface of outer mask 11 and the lateral surface of respirator 12, breathes Cover 12 is equipped with the through-hole 122 of connection cavity 112 and respiratory cavity 121.It is installed in outer mask 11 by respirator 12, makes outer mask Different regions is formed in 11, there is respiratory cavity 121 in respirator 12, and respirator 12 is outer to be formed with cavity between outer mask 11 112.Through-hole 122 is set on respirator 12, is connected to respiratory cavity 121 with cavity 112, the air into respiratory cavity 121 can be made Cavity 112 is flowed by through-hole 122, interim air parking space is formed, increases the amount of storage of air.To submerge first in water When respiratory siphon 21 and the second respiratory siphon 41, extends and use the time in underwater, promote the using effect of product.

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, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of respirator that snorkels that can be realized quick expiration function characterized by comprising

Mask, including outer mask and respirator, the respirator are set in the outer mask, and the respirator is equipped with breathing Chamber；

First breathing tube assembly, including the first respiratory siphon, first respiratory siphon are connect with the respirator；And

Two expiratory one-way valves, connect installation with the outer mask and the respirator；

When air-breathing, outside air enters the respiratory cavity by first respiratory siphon；When expiration, at least one expiratory one-way valve Conducting, the gas of exhalation are flowed to the outside of outer mask by the respiratory cavity.

2. a kind of respirator that snorkels that can be realized quick expiration function as described in claim 1, which is characterized in that described two A expiratory one-way valve includes the first expiratory one-way valve and the second expiratory one-way valve, when expiration, the first expiratory one-way valve conducting； Second expiratory one-way valve is connected and installed with air flow sensor, to control leading for second expiratory one-way valve according to expiration amount Logical and closing.

3. a kind of respirator that snorkels that can be realized quick expiration function as claimed in claim 1 or 2, which is characterized in that institute Stating the first breathing tube assembly further includes breather cheek valve, and first respiratory siphon passes through the breather cheek valve and the respirator Connection；Alternatively, the breather cheek valve is set in first respiratory siphon, first respiratory siphon is connect with the respirator； When air-breathing, the breather cheek valve conducting, gas enters to the respiratory cavity by first respiratory siphon.

4. a kind of respirator that snorkels that can be realized quick expiration function as claimed in claim 3, which is characterized in that described the One respiratory siphon is connect by the breather cheek valve with the respirator, and the breather cheek valve includes the valve deck equipped with inlet end With the valve body for being equipped with outlet side, the valve deck is installed on first respiratory siphon, and the valve body is installed on the respirator, described Outer mask is equipped with the first installing port, and the valve deck passes through first installing port with the valve body and is threadedly coupled.

5. a kind of respirator that snorkels that can be realized quick expiration function as claimed in claim 4, which is characterized in that described the One respiratory siphon includes tube body and the top cover for being covered on the tube body top, and the tube body bottom end connect installation, institute with the valve deck The top for stating tube body is equipped with the air inlet flowed into for air, is provided with water leak preventing structure in the tube body.

6. a kind of respirator that snorkels that can be realized quick expiration function as claimed in claim 5, which is characterized in that described anti- Water-leaking structure includes the accommodating cavity of sealing element, buoyant spheres and the corresponding air inlet, and the sealing element is installed on the accommodating cavity Open end and be equipped with opening, the buoyant spheres be set to the accommodating cavity in and can be towards the side close to or far from the sealing element To floating；When the buoyant spheres are close to the sealing element, the opening is blocked；When the buoyant spheres are far from the sealing element When, the accommodating cavity is connected to the tube body.

7. a kind of respirator that snorkels that can be realized quick expiration function as claimed in claim 6, which is characterized in that it is described into Port includes multiple air inlet ducts arranged side by side, and the air inlet duct is from the direction of the wall surface of the tube body inwardly top cover It is obliquely extended.

8. a kind of respirator that snorkels that can be realized quick expiration function as claimed in claim 3, which is characterized in that described one It further includes the second breathing tube assembly that kind, which can be realized the respirator that snorkels of quick expiration function, and the second breathing tube assembly includes Second respiratory siphon and check valve, second respiratory siphon are connect by the check valve with the respirator；Alternatively, described unidirectional Valve is set in second respiratory siphon, and second respiratory siphon is connect with the respirator.

9. a kind of respirator that snorkels that can be realized quick expiration function as claimed in claim 8, which is characterized in that the list The breather cheek valve is used to valve, second respiratory siphon is connect by the breather cheek valve with the respirator；Alternatively, The breather cheek valve is set in second respiratory siphon, and second respiratory siphon is connect with the respirator.

10. a kind of respirator that snorkels that can be realized quick expiration function as described in claim 1, which is characterized in that described Be formed with cavity between the medial surface of outer mask and the lateral surface of the respirator, the respirator be equipped be connected to the cavity with The through-hole of the respiratory cavity.