阅读说明：本技术 一种双循环浮潜面罩 (Double-circulation floating and diving mask ) 是由 桑庆栋 于 2020-07-17 设计创作，主要内容包括：本发明提供了一种双循环浮潜面罩。本发明技术方案通过采用单管进气,在用户吸气时,氧气或者外部空气可以通过气道进入到进气通道内,由于进气通道设置在外面罩的边缘位置,可以有效优化双循环浮潜面罩进气通道布局。氧气或者外部空气通过进气通道进入到呼吸腔,呼吸腔内的口鼻可以直接吸入氧气或者外部空气。在呼吸腔的腔壁上嵌设一个呼气单向阀,呼气单向阀与排气口连通,吸气时,所述呼气单向阀关闭,外部空气依次通过气道、进气通道进入呼吸腔,而呼气时,呼气单向阀导通,呼出的气体由排气口排出至外面罩的外部,防止人体呼出的二氧化碳与吸入的空气或者氧气混合,造成呼吸腔内的二氧化氮浓度严重超标,对生命造成威胁。(The invention provides a double-circulation snorkeling mask. According to the technical scheme, the single tube is adopted for air intake, when a user inhales air, oxygen or external air can enter the air intake channel through the air passage, and the air intake channel is arranged at the edge position of the outer mask, so that the layout of the air intake channel of the double-circulation floating and diving mask can be effectively optimized. Oxygen or external air enters the breathing cavity through the air inlet channel, and the mouth and the nose in the breathing cavity can directly inhale the oxygen or the external air. Inlay on the chamber wall of breathing chamber and establish an expiration check valve, expiration check valve and gas vent intercommunication, when breathing in, expiration check valve closes, and outside air loops through air flue, inlet channel and gets into the breathing chamber, and during the expiration, expiration check valve switches on, and the outside of expired gas by gas vent discharge to the outer mask prevents that human expired carbon dioxide from mixing with inspiratory air or oxygen, causes the nitrogen dioxide concentration in the breathing chamber to seriously exceed standard, causes the threat to the life.)

1. A dual cycle snorkel mask, the dual cycle snorkel mask comprising:

The outer mask is provided with an exhaust port;

the breathing mask is arranged in the outer mask and provided with a breathing cavity, an expiration one-way valve is arranged on the cavity wall of the breathing cavity and communicated with the exhaust port, an air inlet channel is formed between the edge of the outer mask and the edge of the breathing mask and communicated with the breathing cavity;

the tracheal stent is arranged on the breathing mask, an air passage is formed in the tracheal stent, one end of the air passage is communicated with external air, and the other end of the air passage is communicated with the air inlet channel;

when inhaling, the expiration one-way valve is closed, and external air sequentially enters the breathing cavity through the air passage and the air inlet channel; when the air conditioner is used for breathing, the breathing one-way valve is conducted, and the exhaled air is exhausted to the outside of the outer mask through the air outlet.

2. A dual cycle snorkel mask as claimed in claim 1, wherein one of the edges of the outer mask and the edges of the respiratory mask is provided with a recess, the other of which covers the recess to form the air inlet passage.

3. The dual cycle snorkel shield as recited in claim 2, wherein the edge of the outer shield is provided with the groove, the edge of the respirator is provided with a slot, the edge of the outer shield is engaged with the slot, and the slot wall of the slot covers the slot opening of the groove to form the air inlet channel.

4. A dual cycle snorkel mask as recited in claim 1, wherein there are two inlet passages, each of the two inlet passages being formed on opposite edges of the outer mask.

5. The dual cycle snorkel mask as recited in claim 1, wherein the respiratory mask comprises:

the outer mask is arranged on the frame body, and an air inlet channel is formed between the edge of the frame body and the edge of the outer mask;

the cover body, the cover body can dismantle set up in on the framework, expiration check valve inlays to be located on the cover body, be provided with on the cover body the respiratory cavity.

6. The dual cycle snorkel mask as recited in claim 5, wherein the mask body comprises:

a face mask body; the face mask body is arranged on the frame body, and the air inlet channel is formed between the edge of the face mask body and the edge of the outer mask or the edge of the breathing mask;

the mask body for the mouth and nose parts is detachably arranged on the mask body for the face part.

7. The dual cycle snorkel mask as recited in claim 6, wherein the oronasal mask body is provided with at least one air inlet port, the air inlet port being in communication with the air inlet passage, the dual cycle snorkel mask further comprising:

The number of the air suction one-way valves is in one-to-one correspondence with the number of the air inlets, and the air suction one-way valves are arranged in the air inlets;

when inhaling, the expiration one-way valve is closed, the inspiration one-way valve is opened, and external air sequentially enters the breathing cavity through the air passage, the air inlet channel and the air inlet; when the respirator is used for breathing, the expiration check valve is conducted, the inspiration check valve is closed, and the exhaled gas is exhausted to the outside of the outer mask through the exhaust port.

8. The dual cycle snorkel mask as recited in claim 7, wherein the oronasal mask body is provided with a hook and the facial mask body is provided with a fastener that is disposed within the hook to secure the mask body to the facial mask body.

9. The dual cycle snorkel mask as recited in claim 5, wherein the mask body is made of a silicone material.

10. The dual cycle snorkel shield as recited in claim 1, wherein the outer shield has drainage holes formed therein, the dual cycle snorkel shield further comprising:

the one-way drain valve is arranged in the drain hole;

Wherein, the drainage direction of the one-way drainage valve is the same as the exhaust direction of the expiration one-way valve.

Technical Field

The invention relates to the technical field of diving, in particular to a double-circulation floating and diving mask.

Background

Diving is an entertainment sport that is favored by more and more people enjoying Chang Yang in water. The floating and diving respirator helps people to breathe freely in the diving process, and is an essential device in diving sports.

The currently used floating and diving respirators mainly comprise two types: one is a mouth-biting respirator, which requires ventilation through mouth opening, is easy to fall off, and is easy to cause breathing difficulty due to water inflow. The other type is a full-dry respirator, an inhalation channel and an exhalation channel are formed in a tube by adopting the same breathing tube to inhale and exhale, however, in the case of inhaling, the exhaled carbon dioxide cannot be completely exhausted in time, so that the inhaled air and the exhaled carbon dioxide are easily mixed and inhaled at the same time, the inhaled fresh air quantity is reduced, people feel palpitation and chest distress, and suffocation and dyspnea are easily caused. Therefore, the breathing structure of the existing floating and diving mask is easy to cause breathing difficulty in the use process of people, thereby threatening the personal safety in the floating and diving movement.

Disclosure of Invention

The invention mainly aims to provide a double-circulation floating and diving mask, and aims to solve the technical problem that the breathing structure of the existing floating and diving mask is easy to cause breathing difficulty in the using process of people, so that personal safety in floating and diving movement is threatened.

In order to achieve the above object, the present invention provides a dual cycle snorkeling mask, comprising:

the outer mask is provided with an exhaust port;

the breathing mask is arranged in the outer mask and provided with a breathing cavity, an expiration one-way valve is arranged on the cavity wall of the breathing cavity and communicated with the exhaust port, an air inlet channel is formed between the edge of the outer mask and the edge of the breathing mask and communicated with the breathing cavity;

the tracheal stent is arranged on the breathing mask, an air passage is formed in the tracheal stent, one end of the air passage is communicated with external air, and the other end of the air passage is communicated with the air inlet channel;

when the breathing machine inhales, the expiration one-way valve is closed, and external air sequentially enters the breathing cavity through the air passage and the air inlet channel; when the air conditioner is used for breathing, the breathing one-way valve is conducted, and the exhaled air is exhausted to the outside of the outer mask through the air outlet.

Preferably, one of the edge of the external mask and the edge of the breathing mask is provided with a groove, and the other one covers the groove to form the air inlet channel.

Preferably, the edge of the outer mask is provided with the groove, the edge of the respirator is provided with a clamping groove, the edge of the outer mask is clamped in the clamping groove, and the groove wall of the clamping groove covers the notch of the groove to form the air inlet channel.

Preferably, the number of the air inlet passages is two, and the two air inlet passages are respectively formed on two symmetrical edges of the outer mask.

Preferably, the respiratory mask comprises:

the outer mask is arranged on the frame body, and an air inlet channel is formed between the edge of the frame body and the edge of the outer mask;

the cover body, the cover body can dismantle set up in on the framework, expiration check valve inlays to be located on the cover body, be provided with on the cover body the respiratory cavity.

Preferably, the cover comprises:

a face mask body; the face mask body is arranged on the frame body, and the air inlet channel is formed between the edge of the face mask body and the edge of the outer mask or the edge of the breathing mask;

the mask body for the mouth and nose parts is detachably arranged on the mask body for the face part.

Preferably, the mask body for snorting and diving is provided with at least one air inlet, the air inlet is communicated with the air inlet channel, and the dual-cycle snorkeling mask further comprises:

The number of the air suction one-way valves is in one-to-one correspondence with the number of the air inlets, and the air suction one-way valves are arranged in the air inlets;

when inhaling, the expiration one-way valve is closed, the inspiration one-way valve is opened, and external air sequentially enters the breathing cavity through the air passage, the air inlet channel and the air inlet; when the respirator is used for breathing, the expiration check valve is conducted, the inspiration check valve is closed, and the exhaled gas is exhausted to the outside of the outer mask through the exhaust port.

Preferably, be provided with the trip on the oral-nasal part cover body, be provided with the fastener on the face cover body, the fastener set up in the trip, with the cover body is fixed set up in on the face cover body.

Preferably, the cover body is made of a silica gel material.

Preferably, the outer mask is provided with a drain hole, and the dual-circulation snorkel mask further comprises:

the one-way drain valve is arranged in the drain hole;

wherein, the drainage direction of the one-way drainage valve is the same as the exhaust direction of the expiration one-way valve.

According to the technical scheme, the single tube is adopted for air intake, when a user inhales air, oxygen or external air can enter the air intake channel through the air passage, and the air intake channel is arranged at the edge position of the outer mask, so that the layout of the air intake channel of the double-circulation floating and diving mask can be effectively optimized. Oxygen or external air enters the breathing cavity through the air inlet channel, and the mouth and the nose in the breathing cavity can directly inhale the oxygen or the external air. Inlay on the chamber wall of breathing chamber and establish an expiration check valve, expiration check valve and gas vent intercommunication, when breathing in, expiration check valve closes, and outside air loops through air flue, inlet channel and gets into the breathing chamber, and during the expiration, expiration check valve switches on, and the outside of expired gas by gas vent discharge to the outer mask prevents that human expired carbon dioxide from mixing with inspiratory air or oxygen, causes the nitrogen dioxide concentration in the breathing chamber to seriously exceed standard, causes the threat to the life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a dual cycle snorkel mask according to an embodiment of the present invention;

FIG. 2 is an exploded view of a dual cycle snorkeling mask in accordance with an embodiment of the present invention;

FIG. 3 is a schematic structural view of another embodiment of the dual cycle snorkel mask of the present invention;

FIG. 4 is a schematic structural view of a dual cycle snorkel mask according to yet another embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at N;

FIG. 6 is a schematic structural view of an outer mask of an embodiment of the dual cycle snorkel mask of the present invention;

FIG. 7 is a schematic view of a respiratory mask of an embodiment of the dual cycle snorkel mask of the present invention;

FIG. 8 is a flow direction distribution diagram of air in an embodiment of the dual cycle snorkel mask of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Double-circulation floating and diving mask	10	External mask
20	Breathing mask	21	Frame body
				22	Cover body	221	Face mask
222	Mask for mouth and nose	31	Expiration check valve
				32	Air suction one-way valve	33	One-way drain valve
40	Trachea support	A	Exhaust port
				B	Breathing cavity	C	Air inlet channel
D	Groove	E	Clamping groove
				F	Air inlet	G	Drain hole

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The present invention provides a dual cycle snorkeling mask 100.

As shown in fig. 1 to 7, the dual cycle snorkel mask 100 includes: the external mask 10, the external mask 10 is provided with an exhaust port A; the breathing mask 20 is arranged in the outer mask 10, the breathing mask 20 is provided with a breathing cavity B, the cavity wall of the breathing cavity B is provided with an expiration one-way valve 31, the expiration one-way valve 31 is communicated with the exhaust port A, an air inlet channel C is formed between the edge of the outer mask 10 and the edge of the breathing mask 20, and the air inlet channel C is communicated with the breathing cavity B; the tracheal stent 40 is arranged on the respiratory mask 20, an airway is formed in the tracheal stent 40, one end of the airway is communicated with external air, and the other end of the airway is communicated with the air inlet channel C; when inhaling, the exhalation one-way valve 31 is closed, and external air sequentially passes through the air passage and the air inlet channel C and enters the breathing cavity B; when the user exhales, the exhalation check valve 31 is turned on, and the exhaled air is discharged to the outside of the outer mask 10 through the exhaust port a.

In this embodiment, the respiratory mask 20 is disposed on the external mask 10, when in use, the edge portion of the respiratory mask 20 is tightly attached to the face, and the waterproof rubber ring can be disposed on the edge portion of the respiratory mask 20 or the edge portion of the respiratory mask 20 is made of a silicone material, so as to prevent external liquid from entering the respiratory mask 20 through the edge portion of the respiratory mask 20. Respiratory cavity B's effect lies in covering user's mouth nose portion, and simultaneously, respiratory cavity B's marginal portion sets up waterproof rubber circle or respiratory cavity B wholly adopts the silica gel material preparation to form to in further preventing that liquid from getting into respiratory cavity B, cause the life threat for the user. The tracheal stent 40 of the present invention may adopt a single tube for air intake, and when a user inhales, oxygen or external air may enter the air intake channel C through the airway, and since the air intake channel C is disposed at the edge of the external mask 10, the layout of the air intake channel C of the dual cycle snorkeling mask 100 may be effectively optimized. Oxygen or outside air enter into respiratory cavity B through inlet channel C, and the oral cavity nose in the respiratory cavity B can directly inhale oxygen or outside air, takes place to mix for preventing inspiratory air and exhaled carbon dioxide, can inlay on respiratory cavity B's the chamber wall and establish an expiration check valve 31, expiration check valve 31 and gas vent A intercommunication, when breathing in, expiration check valve 31 closes, and outside air loops through the air flue, inlet channel C gets into respiratory cavity B, and during the expiration, expiration check valve 31 switches on, and exhaled gas is discharged to the outside of external mask 10 by gas vent A, prevents that human exhaled carbon dioxide and inspiratory air or oxygen from mixing, causes the nitrogen dioxide concentration in the respiratory cavity B to seriously exceed standard, threatens life.

Specifically, one of the edge of the external mask 10 and the edge of the breathing mask 20 is provided with a groove D, and the other covers the groove D to form the air inlet passage C. In this embodiment, can be at the edge of outer mask 10 or the edge of respiratory mask 20 sets up recess D, because the edge of outer mask 10 with the edge of respiratory mask 20 is the arc structure, consequently, recess D's shape is the arc structure, the edge of outer mask 10 with the mutual lid of edge of respiratory mask 20 closes or the block to sealed recess D's notch forms inclosed inlet channel C.

It will be appreciated that a rubber strip or the like may be provided at the edge of the notch of the groove D to further improve the sealing effect of the air intake passage C.

Specifically, the edge of outer mask 10 is provided with recess D, the edge of respiratory mask 20 is provided with draw-in groove E, the edge block of outer mask 10 in the draw-in groove E, the cell wall lid of draw-in groove E closes recess D's notch is in order to form inlet channel C. In this embodiment, in order to further improve the airtight effect of inlet channel C, can set up recess D at the edge of outer mask 10, set up draw-in groove E at the edge of respiratory mask 20 simultaneously, the surface of recess D sets up in draw-in groove E, utilizes the cell wall lid of draw-in groove E to close the notch of recess D to form inlet channel C.

It can be understood that the slot wall of the slot E can be made of a silica gel material so as to seal the whole air inlet channel C.

Specifically, the number of the air inlet channels C is two, and the two air inlet channels C are respectively formed on two symmetrical edges of the outer mask 10. In this embodiment, two air inlet channels C are provided, so that the whole double-circulation snorkeling mask 100 adopts a single-tube double-air inlet mode. Two inlet channel C symmetry respectively set up the left and right sides at respiratory mask 20, so that fresh air directly gets into mouth and nasal cavity, because respiratory cavity B is nearest from the position that the human body breathed in, be favorable to guaranteeing the arc usually, and simultaneously, expiration check valve 31 on the respiratory cavity B wall, direct discharge when can be with human exhalation carbon dioxide, make admit air and exhaust time reach the shortest, the inside air of respiratory cavity B smoothly circulates, the air of having guaranteed that dual cycle snorkeling mask 100 inside all is fresh air forever, form smooth and easy circulation respiratory.

Specifically, the respiratory mask 20 includes: a frame body 21, wherein the external mask 10 is arranged on the frame body 21, and an air inlet channel C is formed between the edge of the frame body 21 and the edge of the external mask 10; the cover body 22, the cover body 22 can dismantle set up in on the framework 21, expiration check valve 31 inlays to be located on the cover body 22, be provided with on the cover body 22 breathing chamber B. In this embodiment, in order to give the better product use experience of user, set up framework 21 and the cover body 22 to the connection of dismantling, framework 21 can adopt hard material to make to improve whole respiratory mask 20's intensity, simultaneously, because the cover body 22 pastes closely with user's face and nose and mouth part, consequently, the cover body 22 can adopt soft material to make, for example silica gel etc..

Specifically, the cover 22 includes: a face mask body 221; the face mask body 221 is arranged on the frame body 21, and the air inlet channel C is formed between the edge of the face mask body 221 and the edge of the outer mask 10 or the edge of the breathing mask 20; a mask body 222 for the mouth and nose, wherein the mask body 222 for the mouth and nose is detachably arranged on the mask body 221. In this embodiment, can set up the face cover body 221 and the oral-nasal part cover body 222 into the component structure, wherein, the comfort level of user to facial silica gel and oral-nasal part silica gel is different, and facial silica gel is when playing effective waterproof, and its flexibility needs some softly relatively, and the comfort level that the user used like this is higher, and experience feels better. Thus, the mask body 221 is made of a material having a greater degree of flexibility than the mask body 222. Secondly, in order to form the mask body 22, the face mask body 221 and the mouth-nose mask body 222 are in split structures, so that the face mask body 221 and the mouth-nose mask body 222 can be processed independently, and the manufacturing difficulty is reduced.

Specifically, the mask body 222 for nose and mouth part is provided with at least one air inlet F, the air inlet F is communicated with the air inlet channel C, and the dual-circulation snorkeling mask 100 further includes: at least one air suction check valve 32, the number of the air suction check valves 32 and the number of the air inlets F are arranged in a one-to-one correspondence manner, and the air suction check valves 32 are arranged in the air inlets F; during inspiration, the expiration one-way valve 31 is closed, the inspiration one-way valve 32 is opened, and external air sequentially passes through the air passage, the air inlet channel C and the air inlet F and enters the breathing cavity B; when the user exhales, the exhalation check valve 31 is opened, the inhalation check valve 32 is closed, and the exhaled air is exhausted to the outside of the outer mask 10 through the exhaust port a. In this embodiment, in order to further prevent the liquid between the external mask 10 and the breathing mask 20 from entering the air inlet channel C, at least one air inlet F may be disposed on the mask body 222, and an air suction check valve 32 is disposed in the air inlet F, when breathing in, the exhalation check valve 31 is closed, the inhalation check valve 32 is opened, the external air sequentially passes through the air passage, the air inlet channel C, and the air inlet F to enter the breathing cavity B, and when breathing out, the exhalation check valve 31 is turned on, the inhalation check valve 32 is closed, and the exhaled air is exhausted from the air outlet a to the outside of the external mask 10.

Specifically, a hook (not shown in the figure) is arranged on the mask body 222 for the mouth and nose, and a fastener (not shown in the figure) is arranged on the mask body 221 for the fastener to be arranged in the hook for fixing the mask body 222 for the mouth and nose on the mask body 221. In this embodiment, the mask body 222 can be detachably connected to the mask body 221 by fasteners and hooks, so as to facilitate the installation of the entire mask body 22.

Specifically, the cover 22 is made of a silicone material. As an alternative embodiment, the cover 22 may be made of a soft material, such as a silicone material.

Specifically, a drainage hole G is formed in the outer mask 10, and the dual-circulation snorkel mask 100 further includes: a one-way drain valve 33, the one-way drain valve 33 being disposed in the drain hole G; wherein the water discharge direction of the one-way water discharge valve 33 is the same as the air discharge direction of the expiratory one-way valve 31. In this embodiment, in order to facilitate discharging the liquid between the external mask 10 and the respiratory mask 20, a drainage hole G may be disposed on the external mask 10, and a one-way drain valve 33 may be disposed in the drainage hole G, wherein when the breathing gas is exhaled, the one-way drain valve 33 is opened to discharge the liquid between the external mask 10 and the respiratory mask 20, thereby improving the safety of the dual-cycle floating and diving mask 100.

As shown in fig. 8, with the above structure, the dual-cycle snorkel mask 100 of the present invention has a full-dry dual-cycle breathing system, fresh air (flowing direction as shown by solid line in fig. 8) enters the airway from the tracheal tube support 40 at the top of the respiratory mask 20, two air inlet channels C are provided, one end of the tracheal tube support 40 near the respiratory mask 20 is respectively communicated with the two air inlet channels C to directly transmit the fresh air to the position (in the respiratory cavity B) nearest to the inhalation of the mouth and nasal cavity of the human body, and the left and right sides of the respiratory cavity B are provided with the inhalation one-way valves 32 to prevent carbon dioxide exhaled by the human body from flowing back into the air inlet. While carbon dioxide exhaled by the person (in the direction shown by the dotted line in fig. 8) is instantaneously discharged from the mouth to the outside of the external mask 10 through the exhalation check valve 31, and at the same time, water outside the external mask 10 is prevented from entering the interior of the respiratory mask 20.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.