Snorkeling mask

Abstract

The invention belongs to the technical field of diving appliances, and provides a snorkeling mask which comprises a breather pipe, an outer cover, an inner cover and a frame. An air inlet channel is arranged on the breather pipe; the inner cover is provided with a partition part, and the partition part divides the outer cover into an upper cavity and a lower cavity; the partition part is provided with at least one first one-way channel; the frame surrounds the outer cover and the inner cover; the outer cover is provided with two air inlet grooves, and the two air inlet grooves are located in the convex edge of the outer cover and extend from the middle to the two sides respectively. After the inner cover and the outer cover are assembled, the inner cover and the outer cover and the air inlet groove form an air inlet inner channel with the two ends ventilated. One ends of the two air inlet inner channels are communicated with the air inlet channel, and the other ends of the two air inlet inner channels are communicated with the upper chamber; the outer cover is further provided with at least one exhaust structure. According to the snorkeling mask, fresh air can evenly enter the mask, and therefore the inspiration experience of a user in the snorkeling process can be improved.

Description

Technical Field

[0001] The invention belongs to the technical field of diving products, and in particular relates to a snorkeling mask. Background Art

[0002] When snorkeling, it is generally necessary to wear a snorkeling mask. In order to provide users with a better snorkeling experience, the snorkeling mask in the prior art generally includes a mask and a snorkel for breathing. A rib is provided inside the mask, which divides the inside of the mask into an upper part and an lower part, wherein the user's eyes are located in the upper part, and the user's nose and mouth are located in the lower part, so that the mask corresponding to the eye part is not affected by the mist generated by exhalation; and the snorkel is connected to the lower part of the mask to facilitate ventilation when the user breathes.

[0003] Most snorkeling masks in the prior art adopt a single air inlet and dual air outlet method, and the prior art products do not make much design on the air inlet method. Generally, the ventilation pipe is directly connected to the upper side of the upper half of the mask cavity. When the user inhales, the fresh air in the upper half of the mask cavity passes through the one-way valve of the retaining edge and enters the lower half of the mask cavity, so that the user can breathe in. However, such an air inlet method, since the fresh air directly enters the upper half of the mask cavity from the upper end of the mask and adopts a single air inlet method, it is easy to cause the fresh air to enter the upper half of the mask cavity. The cavity cannot be quickly and evenly dispersed, which is not conducive to timely supplying sufficient fresh air to the user. Summary of the invention

[0004] In order to overcome the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a snorkeling mask, which is conducive to the uniform entry of fresh air into the mask, thereby helping to improve the user's breathing experience during snorkeling.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] A snorkeling mask comprises a snorkel, an outer cover, an inner cover and a frame;

[0007] The ventilation pipe is connected to the outer cover, and an air intake passage is provided on the ventilation pipe;

[0008] The inner cover is arranged inside the outer cover, and the inner cover is provided with a partition part, and the partition part divides the outer cover into an upper chamber and a lower chamber; the partition part is provided with at least one first one-way channel (two), and the first one-way channel only allows gas to flow from the upper chamber into the lower chamber;

[0009] The frame surrounds the outer cover and the inner cover;

[0010] The outer cover is provided with two air inlet grooves, both of which are located at the convex edge of the outer cover and extend from the middle to both sides respectively; after the inner cover is assembled with the outer cover, the inner cover and the air inlet grooves form an air inlet inner passage with ventilation at both ends;

[0011] One end of the two air intake inner passages is connected to the air intake channel, and the other end is connected to the upper chamber and is located close to the partition portion; when air is inhaled, after the external fresh air enters through the air intake channel, it passes through the two air intake inner passages to form a two-part airflow and enters the upper chamber;

[0012] The outer cover is also provided with at least one exhaust structure.

[0013] In a preferred embodiment of the present invention, a transition portion is provided on the top of the outer cover, and the upper ends of the two air intake inner passages are connected to the air intake passage of the ventilation pipe through the transition portion.

[0014] Preferably, the exhaust structure includes at least one exhaust groove, which is arranged on the convex edge of the outer cover and located outside the air inlet groove; after the inner cover is assembled with the outer cover, an exhaust inner channel with ventilation at both ends is formed at the exhaust groove;

[0015] The transition piece is provided with an air inlet and an exhaust port, the air inlet is connected to the two air inlet passages, the ventilation pipe is also provided with an exhaust passage, the exhaust passage, the exhaust port and one end of the exhaust inner passage are connected; the other end of the exhaust inner passage is connected to the lower chamber.

[0016] Preferably, there are two exhaust grooves, which are respectively located on the outsides of the two air inlet grooves; the two exhaust grooves and the inner cover after assembly form two exhaust inner passages; the air inlet ports of the two exhaust inner passages are respectively located on both sides of the lower chamber;

[0017] The two exhaust ports are provided, and the two exhaust ports are respectively connected to the exhaust ports of the two exhaust inner passages and are located on both sides of the air inlet.

[0018] Preferably, a raised extension section is provided at the corresponding positions of the frame and the transition piece, and the extension section is connected to the ventilation pipe;

[0019] A commutator is provided in the inner cavity of the extension section, and an exhaust guide channel, an intake guide channel and a reversing channel are provided on the commutator; the exhaust guide channel is communicated with one of the exhaust ports, and the intake guide channel is communicated with the intake port; one end of the reversing channel is communicated with the other exhaust port, and the other end is communicated with the exhaust guide channel, so as to realize the reversal of the gas from the exhaust port and collect it into the exhaust guide channel;

[0020] An exhaust passage is provided on the vent pipe, and the exhaust passage is communicated with the exhaust guide passage; an intake passage on the vent pipe is communicated with the intake guide passage.

[0021] Preferably, the commutator includes an outer wall and two first partitions, the two first partitions divide the inner cavity of the outer wall into the exhaust guide channel, the intake guide channel and the reversing chamber, the exhaust guide channel and the reversing chamber are located on both sides of the intake guide channel; the upper and lower ends of the exhaust guide channel are connected to achieve communication with the exhaust channel and the exhaust port; the upper and lower ends of the intake guide channel are connected to achieve communication with the intake channel and the intake port, and a baffle is provided at the upper end of the intake guide channel and the corresponding position of the exhaust channel of the ventilation pipe, the baffle separates the exhaust channel from the intake guide channel to prevent airflow from mutual leakage; the upper end of the reversing chamber is sealed, the reversing chamber and the exhaust guide channel are connected through a transition channel, and the reversing chamber and the transition channel form the reversing channel.

[0022] In this embodiment, the vent pipe is provided with only one inlet channel and one exhaust channel, which are separated by a second partition plate. Preferably, the exhaust structure further includes a second one-way channel;

[0023] The outer walls of the two exhaust inner passages are each provided with the second one-way channel, and the second one-way channel only allows the gas in the exhaust inner passage to flow outward, and the two second one-way channels are symmetrical.

[0024] Preferably, the exhaust structure further comprises a third one-way channel, which is arranged on the lower chamber and only allows the gas in the lower chamber to flow outward. The third one-way channel in this embodiment may adopt a third one-way valve, which may be specifically arranged at a position corresponding to the user's mouth, and its main function is to allow the gas exhaled from the user's mouth to be discharged from the lower chamber in a timely and rapid manner.

[0025] Preferably, a continuous first spacer ring and two second spacer rings are provided on the convex edge of the outer cover, the two second spacer rings are respectively located on the two sides of the outer cover and are symmetrical, and the two second spacer rings are both located between the first spacer ring and the convex edge wall of the outer cover; the upper ends of the two second spacer rings are sealed with the convex edge wall of the outer cover, and the lower ends of the two second spacer rings are sealed with the first spacer ring, and the two ends of the first spacer ring respectively extend to the corresponding positions of the lower chamber and leave a gap between them and the convex edge wall of the outer cover;

[0026] The exhaust groove is formed between the second spacer ring and the convex wall of the outer cover; the air inlet groove is formed between the first spacer ring and the second spacer ring.

[0027] In a preferred embodiment of the present invention, a fourth one-way channel is provided at one end of the air inlet inner passage close to the partition portion, and the fourth one-way channel only allows the gas in the air inlet inner passage to flow to the upper chamber.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] The snorkeling mask of the present invention innovatively and boldly adopts a two-part air intake method, and finally enters the upper chamber from both sides of the upper chamber, so that fresh air enters more evenly. In addition, the ports of the two air intake inner passages of the present invention are close to the partition part of the inner mask, so that when fresh air enters the upper chamber, it is easier to be sucked into the lower chamber in time so that the user can inhale it, which is conducive to quickly and timely providing fresh air to the user and improving ventilation efficiency.

[0030] In addition, the air intake inner duct of the present invention is formed by combining an outer cover and an inner cover, and an air intake groove is set on the outer cover, which is easy to process and manufacture. The air intake inner duct is formed by assembling with the inner cover and the frame. The structure is simple and there is no need to assemble separate pipeline components. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0032] Figure 1 It is a three-dimensional diagram of a snorkeling mask of the present invention.

[0033] Figure 2 It is a back view of the snorkeling mask of the present invention.

[0034] Figure 3 for Figure 2 A schematic diagram of the intake duct and the exhaust duct is added.

[0035] Figure 4 It is an exploded view of the main parts of the snorkeling mask of the present invention.

[0036] Figure 5 for Figure 2 Rear view of the center hood and frame.

[0037] Figure 6 It is a partial three-dimensional view of the outer cover of the snorkeling mask of the present invention.

[0038] Figure 7 It is a three-dimensional view of the frame of the snorkeling mask of the present invention.

[0039] Figure 8It is a three-dimensional view of the inner cover of the snorkeling mask of the present invention.

[0040] Fig. 9 It is a top view of the commutator of the snorkeling mask of the present invention.

[0041] Fig.10 It is a bottom view of the commutator of the snorkeling mask of the present invention.

[0042] Fig.11 for Fig. 9 Sectional view of AA.

[0043] Fig.12 It is a three-dimensional view of the commutator of the snorkeling mask of the present invention.

[0044] in:

[0045] 1-ventilation pipe, 101-intake passage, 102-exhaust passage;

[0046] 2-frame, 201-extension section, 2011-first inner cavity, 20111-intake passage, 20112-exhaust passage, 2012-second inner cavity;

[0047] 3-outer cover, 301-third one-way channel, 302-fourth one-way channel, 303-wall, 304-first spacer ring, 305-second spacer ring, 306-second one-way channel, 307-inlet groove, 308-exhaust groove, 309-transition piece, 3091-inlet port, 3092-exhaust port;

[0048] 4-inner cover, 401-partition portion, 402-first one-way channel;

[0049] 5-upper chamber;

[0050] 6-lower chamber;

[0051] 7- Inlet inner duct;

[0052] 8- Exhaust inner duct;

[0053] 9-commutator, 901-outer wall, 902-first partition, 903-intake guide channel, 904-exhaust guide channel, 905-commutation chamber, 906-transition channel, 907-commutation channel, 908-baffle, 909-baffle. DETAILED DESCRIPTION

[0054] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. In the following description, many specific details are set forth in order to fully understand the present invention, and the embodiments described are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in the art without making creative work are within the scope of protection of the present invention.

[0055] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0056] Example 1

[0057] See also Figure 1-Figure 12 The present embodiment discloses a snorkeling mask, comprising a snorkel 1, an outer cover 3, an inner cover 4 and a frame 2. The snorkel 1 is connected to the outer cover 3, and an air inlet channel 101 and an air exhaust channel 102 are provided on the snorkel 1. The inner cover 4 is arranged on the inner side of the outer cover 3, and the inner cover 4 is provided with a partition 401, and the partition 401 divides the outer cover 3 into an upper chamber 5 and a lower chamber 6. At least one first one-way channel 402 is provided at the corresponding positions of the partition 401 and the two sides of the user's nose, and the first one-way channel 402 only allows gas to flow from the upper chamber 5 to the lower chamber 6. Specifically in the present embodiment, four first one-way channels 402 are provided on the partition 401, and two are provided on both sides of the partition 401, which is conducive to corresponding to the two sides of the user's nose and convenient for fresh air to enter. The frame 2 of the present embodiment surrounds the outer cover 3 and the inner cover 4.

[0058] Compared with the prior art, the snorkeling mask of this embodiment has a major improvement in that the air intake and exhaust methods are different.

[0059] In terms of air intake, the present embodiment has two air intake grooves 307 on the outer cover 3, both of which are located on the convex edge of the outer cover 3 and extend from the middle to both sides respectively; the inner cover 4 is sealed and assembled on the convex edge of the outer cover 3 to form an air intake inner channel 7 with ventilation at both ends with the air intake grooves 307. One end of the two air intake inner channels 7 is connected to the air intake channel 101 in the ventilation pipe 1, and the other end is connected to the upper chamber 5 and is located near the partition part 401, specifically corresponding to the two sides of the partition part 401. Figure 3-Figure 5 As shown, at the other end of the two air intake passages 7, that is, Figure 3A fourth one-way channel 302 is provided at the middle and lower ends, and the fourth one-way channel 302 adopts a one-way valve, and the position of the fourth one-way channel 302 is close to the first one-way channel 402 on the partition part 401, so that fresh air can be easily inhaled by the user. When inhaling, the external fresh air enters through the air inlet channel 101 of the ventilating pipe 1, passes through the two air inlet inner channels 7 to form a two-part airflow into the upper chamber 5, and enters the lower chamber 6 after passing through the first one-way channel 402, so as to be inhaled by the user.

[0060] In this embodiment, a transition piece 309 is provided at the top of the outer cover 3, and the upper ends of the two air inlet inner passages 7 are connected to the air inlet passage 101 of the vent pipe 1 through the transition piece 309. Specifically, an air inlet 3091 and two air outlets 3092 are provided on the transition piece 309 of this embodiment, and the two air outlets 3092 are located on both sides of the air inlet 3091. The upper ends of the two air inlet inner passages 7 of this embodiment are gathered and connected, and are connected to the air inlet 3091. The air inlet passage 101 on the vent pipe 1 is connected to the air inlet 3091. Further, the transition piece 309 of this embodiment is a convex edge structure at the top of the outer cover 3.

[0061] By adopting such an air intake method, the gas is divided into two after passing through the air intake channel 101 of the ventilating pipe 1 and enters the upper chamber 5, so that the fresh air enters more evenly. In addition, the lower ports of the two air intake inner channels 7 of this embodiment, namely the fourth one-way channel 302, are arranged at a position close to the partition part 401 of the inner cover 4, so that when the fresh air enters the upper chamber 5, it is easier to be sucked into the lower chamber 6 in time so that the user can inhale it, which is conducive to quickly and timely providing fresh air to the user and improving the ventilation efficiency.

[0062] In terms of the exhaust method, at least one exhaust groove 308 is provided on the convex edge of the outer cover 3 in this embodiment. Specifically, two exhaust grooves 308 are provided in this embodiment, which are respectively located on the outside of the two air inlet grooves 307; after the inner cover 4 is assembled with the outer cover 3, an exhaust inner channel 8 with ventilation at both ends is formed at the exhaust groove 308. The two exhaust ports 3092 at the top of the outer cover 3 are respectively connected with the two exhaust inner channels 8, and the two exhaust ports 3092 are connected with the exhaust channel 102 on the ventilation pipe 1. It can be understood that the exhaust channel 102, the exhaust port 3092 and the upper end of the exhaust inner channel 8 are connected, and the lower end of the exhaust inner channel 8 is connected with the lower chamber 6, and the lower ends of the two exhaust inner channels 8 are respectively located on both sides of the lower chamber 6. The upper end of the exhaust inner channel 8 in this embodiment can be understood as an exhaust port, and the lower end can be understood as an air inlet port, that is, the gas exhaled by the user enters the exhaust inner channel 8 from the lower end and leaves the exhaust inner channel 8 from the upper end.

[0063] A raised extension section 201 is provided at the corresponding position between the frame 2 and the transition piece 309 , and the extension section 201 is connected to the lower end of the ventilation pipe 1 .

[0064] A commutator 9 is provided in the inner cavity of the extension section 201, and an exhaust guide channel 904, an intake guide channel 903 and a reversing channel are provided on the commutator 9. The exhaust guide channel 904 is connected to one of the exhaust ports 3092, and the intake guide channel 903 is connected to the intake port 3091; one end of the reversing channel is connected to the other exhaust port 3092, and the other end is connected to the exhaust guide channel 904, so as to realize the reversal of the gas of the exhaust port 3092 and collect it into the exhaust guide channel 904. In this embodiment, there is only one exhaust channel 102 on the vent pipe 1, and the exhaust channel 102 is connected to the exhaust guide channel 904; the intake channel 101 on the vent pipe 1 is connected to the intake guide channel 903. That is to say, in this embodiment, a single-in and single-out gas mode is implemented in the vent pipe 1.

[0065] By setting the commutator 9, under the premise of realizing double exhaust on both sides of the lower chamber 6, the exhaled gas is collected in the vent pipe 1 and converted into single exhaust. This design is extremely clever and has good technical effects. Specifically, the two exhaust inner channels 8 ensure the timely discharge of the exhaled gas of the user in the lower chamber 6, and after being collected by the commutator 9, the single channel is discharged in the exhaust channel 102 of the vent pipe 1, which can simplify the structure of the vent pipe 1. Only one exhaust channel 102 and an intake channel 101 are provided in the vent pipe 1. Especially compared with the single-inlet double-row vent pipe 1, the valves, floats and other components inside the vent pipe 1 can be significantly simplified.

[0066] Furthermore, the commutator 9 of this embodiment includes an annular outer wall 901 and two first partitions 902. The two first partitions 902 divide the inner cavity surrounded by the outer wall 901 into an exhaust guide channel 904, an intake guide channel 903 and a reversing cavity 905. The exhaust guide channel 904 and the reversing cavity 905 are respectively located on both sides of the intake guide channel 903. The upper and lower ends of the exhaust guide channel 904 are connected to achieve communication with the exhaust channel 102 and the exhaust port 3092. The upper and lower ends of the intake guide channel 903 are connected to achieve communication with the intake channel 101 and the intake port 3091, and a baffle 909 is provided at the upper end of the intake guide channel 903 corresponding to the exhaust channel 102 of the vent pipe 1. The baffle 909 separates the exhaust channel 102 from part of the intake guide channel 903 to prevent the airflow from flowing into each other. The upper end of the reversing cavity 905 is sealed, and the reversing cavity 905 is connected to the exhaust guide channel 904 through a transition channel 906. The transition channel 906 is arranged on the side wall of the intake guide channel 903. The reversing cavity 905 and the transition channel 906 form a reversing channel.

[0067] In addition, in order to facilitate the assembly of the commutator 9 and the extension section 201, the extension section 201 of the frame 2 of this embodiment is divided into a first inner cavity 2011 and a second inner cavity 2012, and the second inner cavity 2012 is arranged above the first inner cavity 2011. The commutator 9 of this embodiment is arranged in the second inner cavity 2012, and the first inner cavity 2011 is provided with two exhaust passages 20112 and an air intake passage 20111, the two exhaust passages 20112 are correspondingly connected to the two exhaust ports 3092, and the air intake passage 20111 is correspondingly connected to the air intake port 3091. That is, in this embodiment, the exhaust guide channel 904, one of the exhaust passages 20112, one of the exhaust ports 3092 and one of the exhaust inner passages 8 are connected; the intake guide channel 903, the intake passage 20111, the intake port 3091 and the two intake inner passages 7 are connected; the reversing channel, another exhaust passage 20112, another exhaust port 3092 and another exhaust inner passage 8 are connected. The above connection methods can be referred to Figure 3 and Figure 5 .

[0068] At the same time, in order to facilitate the production of the commutator 9, the bottom of the transition channel 906 in the commutator 9 can be hollowed out, and the hollowing is sealed by using a retaining bar 908 at the hollowing position. The retaining bar 908 can be inserted into the hollowing position by interference fit, or can be supported and placed on the top of the first inner cavity 2011. Of course, the overall structure of the commutator 9 can also be integrally formed.

[0069] In addition to the exhaust structure of the exhaust inner channel 8, the second one-way channel 306 is also provided on the outer wall 901 of the two exhaust inner channels 8. Specifically, the second one-way channel 306 only allows the gas in the exhaust inner channel 8 to flow outward, and the second one-way channels 306 on the outer wall 901 of the two exhaust inner channels 8 are symmetrical. In the present embodiment, at least one one-way valve is provided on the outer wall 901 of each exhaust inner channel 8, that is, on the convex wall 303 of the outer cover 3 of the present embodiment, and the one-way valve forms the second one-way channel 306, and two one-way valves are provided here in the present embodiment.

[0070] To further improve the exhaust effect, the exhaust structure of this embodiment further includes a third one-way channel 301, which is disposed on the lower chamber 6. The third one-way channel 301 only allows the gas in the lower chamber 6 to flow outward. The third one-way channel 301 in this embodiment also uses a one-way valve, which is specifically disposed at a position corresponding to the user's mouth, and its main function is to allow the gas exhaled from the user's mouth to be discharged from the lower chamber 6 in a timely and rapid manner.

[0071] For the exhaust of the lower chamber 6, this embodiment adopts dual-channel exhaust (two exhaust inner channels 8), dual side exhaust (two second one-way channels 306) and single front exhaust (third one-way channel 301). The simultaneous use of the three can allow the gas exhaled by the user to be discharged quickly to avoid accumulation in the lower chamber 6, maintain a good air environment in the lower chamber 6 as much as possible, and is conducive to improving the user's diving experience. In addition, during diving, the user's lungs are generally exhausted, and large breaths are often exhaled and inhaled. Since the user's breathing movements are all performed in the lower chamber 6, the third one-way channel 301 in this embodiment corresponds to the user's mouth, and can preferentially discharge the gas exhaled from the mouth; at the same time, the two second one-way channels 306 are located on both sides of the outer cover 3, approximately at the user's ear position, and the two second one-way channels 306 can first discharge part of the exhaled gas in the process of flowing to the top, especially when the user exhales forcefully, the carbon dioxide content exhaled by the user in the lower chamber 6 can be quickly reduced, and it is easier to discharge it away, which is conducive to allowing the user to better inhale the fresh air flowing in from the upper chamber 5 in the lower chamber 6, improve the user experience, and even reduce the difficulty of breathing and reduce the user's physical exertion; and the remaining part of the gas is discharged from the exhaust inner channel 8 on both sides through the reversing device 9 and then from the exhaust channel 102 of the ventilation pipe 1 to the water surface.

[0072] See also Figure 3 and Figure 5 The gas inlet direction and path of the snorkeling mask of this embodiment can be seen from the arrow F1 in the figure. The gas outlet direction and path can be seen from the arrow F2 in the figure.

[0073] The air intake inner passage 7 and the exhaust inner passage 8 of this embodiment are mainly formed by assembling the groove structure at the convex edge of the outer cover 3 and the inner cover 4. Among them, a continuous first spacer ring 304 and two second spacer rings 305 are provided on the convex edge of the outer cover 3, and the two second spacer rings 305 are respectively located on both sides of the outer cover 3 and are symmetrical. The two second spacer rings 305 are both located between the first spacer ring 304 and the convex edge wall 303 of the outer cover 3; the upper ends of the two second spacer rings 305 are sealed with the convex edge wall 303 of the outer cover 3, and the lower ends of the two second spacer rings 305 are sealed with the first spacer ring 304. The two ends of the first spacer ring 304 extend to the corresponding positions of the lower chamber 6 and leave a gap between them and the convex edge wall 303 of the outer cover 3; an exhaust groove 308 is formed between the second spacer ring 305 and the convex edge wall 303 of the outer cover 3; and an air intake groove 307 is formed between the first spacer ring 304 and the second spacer ring 305.

[0074] The structures and implementation methods of other components of this embodiment can be found in the prior art and will not be repeated here.

[0075] Example 2

[0076] The difference between this embodiment and the embodiment 1 is that: in terms of the exhaust mode, there are two exhaust channels 102 on the vent pipe 1, and the two exhaust channels 102 are located on both sides of the air inlet channel 101, and the two exhaust channels 102 are correspondingly connected with the two exhaust ports 3092 and the two exhaust passages 20112. In this way, a one-in-two-out ventilation mode is formed on the vent pipe 1, and a double-in-double-out air flow path is formed in the inner cavity of the outer cover 3, eliminating the use of the commutator 9. Specifically, fresh air enters from the air inlet channel 101 of the vent pipe 1, and after passing through the air inlet port 3091, it is divided into two and enters the upper chamber 5 through the two air inlet inner passages 7, and finally enters the lower chamber 6 after passing through the first one-way channel 402 of the partition part 401, so as to be supplied to the user for inhalation. When exhausting, the gas exhaled by the user is discharged from the lower chamber 6 to the two exhaust inner passages 8, and after passing through the two exhaust ports 3092, it is discharged to the two exhaust channels 102 of the vent pipe 1, and finally discharged.

[0077] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Therefore, any modification, equivalent change and modification made to the above embodiment according to the technical essence of the present invention without departing from the technical solution of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A snorkeling mask, characterized in that: It includes a snorkel, an outer cover, an inner cover and a frame; The ventilation pipe is connected to the outer cover, and an air intake passage is provided on the ventilation pipe; The inner cover is arranged inside the outer cover, and the inner cover is provided with a partition part, and the partition part divides the outer cover into an upper chamber and a lower chamber; the partition part is provided with at least one first one-way channel, and the first one-way channel only allows gas to flow from the upper chamber into the lower chamber; The frame surrounds the outer cover and the inner cover; The outer cover is provided with two air inlet grooves, both of which are located at the convex edge of the outer cover and extend from the middle to both sides respectively; after the inner cover is assembled with the outer cover, the inner cover and the air inlet grooves form an air inlet inner passage with ventilation at both ends; One end of the two air intake inner passages is connected to the air intake channel, and the other end is connected to the upper chamber and is located close to the partition portion; when air is inhaled, after the external fresh air enters through the air intake channel, it passes through the two air intake inner passages to form a two-part airflow and enters the upper chamber; The outer cover is also provided with at least one exhaust structure.

2. The snorkeling mask according to claim 1, characterized in that: A transition portion is provided on the top of the outer cover, and the upper ends of the two air intake inner passages are communicated with the air intake passage of the ventilation pipe through the transition portion.

3. The snorkeling mask according to claim 2, characterized in that: The exhaust structure includes at least one exhaust groove, which is arranged on the convex edge of the outer cover and located outside the air inlet groove; after the inner cover and the outer cover are assembled, an exhaust inner channel with ventilation at both ends is formed at the exhaust groove; The transition portion is provided with an air inlet and an exhaust port, the air inlet is connected to the two air inlet passages, the ventilation pipe is also provided with an exhaust passage, the exhaust passage, the exhaust port and one end of the exhaust inner passage are connected; the other end of the exhaust inner passage is connected to the lower chamber.

4. The snorkeling mask according to claim 3, characterized in that: There are two exhaust grooves, which are respectively located on the outsides of the two air inlet grooves; the two exhaust grooves and the inner cover after assembly form two exhaust inner passages; the air inlet ports of the two exhaust inner passages are respectively located on both sides of the lower chamber; The two exhaust ports are provided, and the two exhaust ports are respectively connected to the exhaust ports of the two exhaust inner passages and are located on both sides of the air inlet.

5. The snorkeling mask according to claim 4, characterized in that: A raised extension section is provided at the corresponding positions of the frame and the transition piece, and the extension section is connected to the ventilation pipe; A commutator is provided in the inner cavity of the extension section, and an exhaust guide channel, an intake guide channel and a reversing channel are provided on the commutator; the exhaust guide channel is communicated with one of the exhaust ports, and the intake guide channel is communicated with the intake port; one end of the reversing channel is communicated with the other exhaust port, and the other end is communicated with the exhaust guide channel, so as to realize the reversal of the gas from the exhaust port and collect it into the exhaust guide channel; An exhaust passage is provided on the vent pipe, and the exhaust passage is communicated with the exhaust guide passage; an intake passage on the vent pipe is communicated with the intake guide passage.

6. The snorkeling mask according to claim 5, characterized in that: The commutator includes an outer wall and two first partitions, the two first partitions divide the inner cavity of the outer wall into the exhaust guide channel, the intake guide channel and the reversing chamber, the exhaust guide channel and the reversing chamber are located on both sides of the intake guide channel; the upper and lower ends of the exhaust guide channel are connected to achieve communication with the exhaust channel and the exhaust port; the upper and lower ends of the intake guide channel are connected to achieve communication with the intake channel and the intake port, and a baffle is provided at the upper end of the intake guide channel and the corresponding position of the exhaust channel of the ventilation pipe, the baffle separates the exhaust channel from the intake guide channel to prevent airflow from mutual interference; the upper end of the reversing chamber is sealed, the reversing chamber and the exhaust guide channel are connected through a transition channel, and the reversing chamber and the transition channel form the reversing channel.

7. The snorkeling mask according to claim 6, characterized in that: The exhaust structure also includes a second one-way passage; The outer walls of the two exhaust inner passages are each provided with the second one-way channel, and the second one-way channel only allows the gas in the exhaust inner passage to flow outward, and the two second one-way channels are symmetrical.

8. The snorkeling mask according to any one of claims 1 to 7, characterized in that: The exhaust structure further includes a third one-way channel, which is disposed on the lower chamber and allows only the gas in the lower chamber to flow outward.

9. The snorkeling mask according to any one of claims 4 to 7, characterized in that: A continuous first spacer ring and two second spacer rings are provided on the convex edge of the outer cover, the two second spacer rings are respectively located on the two sides of the outer cover and are symmetrical, and the two second spacer rings are both located between the first spacer ring and the convex edge wall of the outer cover; the upper ends of the two second spacer rings are sealed with the convex edge wall of the outer cover, and the lower ends of the two second spacer rings are sealed with the first spacer ring, and the two ends of the first spacer ring respectively extend to the corresponding positions of the lower chamber and leave a gap between them and the convex edge wall of the outer cover; The exhaust groove is formed between the second spacer ring and the convex wall of the outer cover; the air inlet groove is formed between the first spacer ring and the second spacer ring.

10. The snorkeling mask according to claim 1, characterized in that: A fourth one-way channel is provided at one end of the air intake inner passage close to the partition portion, and the fourth one-way channel only allows the gas in the air intake inner passage to flow toward the upper chamber.

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