CN208882082U - The mask that snorkels of air intake duct adjustable in length - Google Patents
The mask that snorkels of air intake duct adjustable in length Download PDFInfo
- Publication number
- CN208882082U CN208882082U CN201821671294.0U CN201821671294U CN208882082U CN 208882082 U CN208882082 U CN 208882082U CN 201821671294 U CN201821671294 U CN 201821671294U CN 208882082 U CN208882082 U CN 208882082U
- Authority
- CN
- China
- Prior art keywords
- air
- intake duct
- mask
- air intake
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003434 inspiratory effect Effects 0.000 claims abstract description 44
- 230000000241 respiratory effect Effects 0.000 claims abstract description 30
- 238000010276 construction Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 20
- 210000003205 muscle Anatomy 0.000 claims description 6
- 239000002775 capsule Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000009189 diving Effects 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 230000009182 swimming Effects 0.000 description 5
- 238000007667 floating Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a kind of mask that snorkels of air intake duct adjustable in length, and the mask that snorkels of the air intake duct adjustable in length includes mask body, exhaust outlet and air intake duct, and mask body has a respiratory cavity；Exhaust outlet is opened in mask body, and is connected to respiratory cavity；Air intake duct includes the inspiratory limb being sequentially communicated, air-guide section and construction section, and inspiratory limb is equipped with air entry, and construction section is installed on mask body far from one end of air-guide section, air intake duct is connected to respiratory cavity；Air-guide section is formed by least one gas-guide tube, and when air-guide section includes multiple gas-guide tubes, multiple gas-guide tubes are successively removably sealedly attached to together.Technical solutions of the utility model can be adjusted the length of air intake duct, thus increase user wear snorkel mask when diving depth.
Description
Technical field
The utility model relates to equipment technology field of swimming, in particular to a kind of face that snorkels of air intake duct adjustable in length
Cover.
Background technique
Swimming, diving etc. are people's common amusements and body-building, can be by wearing the face that snorkels in swimming or diving
Cover is experienced to lifting motion.The mask that snorkels is interior to be equipped with respiratory cavity, and gas-guide tube, gas-guide tube connection breathing are connected on the mask that snorkels
Chamber, in swimming or diving, gas-guide tube is extend out on the water surface, so that human body eupnea under water can be realized.For existing
It snorkels for mask, what the length of gas-guide tube was usually fixed, so that the diving depth that user wears when snorkeling mask is smaller,
To cause the lesser limitation of mask itself diving depth that snorkels.Especially for snorkeling take pictures under water, due to the face of snorkeling
The depth that snorkels of cover is limited, and snorkeling, it is poor to experience, and then scene of taking pictures under water receives great limitation.
Utility model content
The main purpose of the utility model is the mask that snorkels for proposing a kind of air intake duct adjustable in length, it is intended to can adjust it
The length of air intake duct, thus increase user wear snorkel mask when diving depth.
To achieve the above object, the utility model proposes the mask that snorkels of air intake duct adjustable in length include:
Mask body has a respiratory cavity；
Exhaust outlet is opened in the mask body, and is connected to the respiratory cavity；And
Air intake duct, including inspiratory limb, air-guide section and the construction section being sequentially communicated, the inspiratory limb is equipped with air entry, institute
It states construction section and is installed on the mask body far from one end of the air-guide section, the air intake duct and the respiratory cavity are connected
It is logical；
The air-guide section is formed by least one gas-guide tube, more when the air-guide section includes multiple gas-guide tubes
A gas-guide tube is successively removably sealedly attached to together.
Preferably, it is arranged on the outer peripheral surface of the one end for the gas-guide tube being connected with the inspiratory limb and sealing ring is installed, with
One end sealing of the gas-guide tube is plugged in the inspiratory limb.
Preferably, the one end of the construction section far from the inspiratory limb is removably seal-installed on the mask body
On.
Preferably, there are two the air intake duct is set, and it is located at the opposite sides of the exhaust outlet.
Preferably, the gas-guide tube is straight or arced tube is arranged.
Preferably, the inspiratory limb includes:
Shell, having in the shell is vertically in parallel arrangement of suction chamber and air guide chamber, the suction chamber and described
The respective top of air guide chamber is interconnected, and the lower end of the air guide chamber is connected with the air-guide section, and the air entry opens up
In on the shell, and the air entry is connected to the suction chamber；And
Float is slidably mounted in the suction chamber, and when the float is located at the top of the suction chamber, described
Float seals the upper end of the suction chamber, by the suction chamber and air guide chamber sealing isolation.
Preferably, the top of the shell is equipped with opening, the opening and institute in open setting, the upper end of the suction chamber
Stating has gap between opening, and the opening is connected with the opening, and the upper end of the air guide chamber is connected to the opening；
The inspiratory limb further includes being installed on the upper cover of the housing tip, and the upper cover sealing cover closes the opening；
The inspiratory limb further includes the locating part for being installed on the opening, and the locating part has a connection air guide
The venthole of chamber and the opening, the upper surface of the float abut and the venthole is close with the vent holes edge
Envelope.
Preferably, the upper cover direction is extended with abutting muscle, the abutting muscle and the locating part back to the air guide chamber
Side abut against, be upwardly separated from the opening to limit the locating part.
Preferably, the float is in capsule shape or spherical setting.
Preferably, the air entry is equipped with multiple, and multiple air entries are vertically intervally arranged.
Technical solutions of the utility model are formed by using air-guide section by least one gas-guide tube, when needing to increase air-breathing
When the length of pipe, it can be sequentially connected to form a biggish air-guide section of length by multiple gas-guide tubes；Multiple gas-guide tube
It successively seals, to avoid air-guide section that infiltration risk occurs；Adjacent two gas-guide tube is detachably connected, to be also convenient for
The assembling of multiple gas-guide tubes is adjusted the length of air-guide section with realizing；In this way, when user needs dive to deep water
When place, multiple gas-guide tubes can be sequentially connected, to increase the length of air-guide section, i.e., the mask that originally snorkels has air-breathing length of tube can
The advantages of adjustment, can meet user taken pictures under water, the underwater experience activity such as underwater sightseeing so that the mask that snorkels
Experience effect is more preferably.
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 the structural schematic diagram at one embodiment of mask, one visual angle that snorkels of the utility model air intake duct adjustable in length；
Fig. 2 is the structural schematic diagram at another visual angle of mask of snorkeling in Fig. 1；
Fig. 3 be Fig. 1 in snorkel mask air intake duct dismounting schematic diagram；
Fig. 4 is that the utility model snorkels the dismounting schematic diagram of air intake duct in another embodiment of mask；
Fig. 5 is the explosive view of the inspiratory limb of air intake duct in Fig. 3；
Fig. 6 is the schematic diagram of internal structure of the inspiratory limb of air intake duct in Fig. 5；
Fig. 7 is the partial enlarged view in Fig. 6 at A；
Fig. 8 is the structural schematic diagram of the another embodiment of the mask that snorkels of the utility model air intake duct adjustable in length.
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 if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.In addition, the meaning of the "and/or" occurred in full text is, and including three schemes arranged side by side, by taking " A and/or B " as an example,
The scheme met simultaneously including A scheme or B scheme or A and B.In addition, the technical solution between each embodiment can be mutual
In conjunction with, but must be based on can be realized by those of ordinary skill in the art, when mutual lance occurs in the combination of technical solution
Shield or cannot achieve when, will be understood that the combination of this technical solution is not present, also not in the protection scope of the requires of the utility model
Within.
The utility model proposes a kind of masks that snorkels of air intake duct adjustable in length.
In an embodiment of the utility model, referring to figs. 1 to 4, and Fig. 8 is combined, which snorkels
Mask 1 includes:
Mask body 10 has a respiratory cavity 110；
Exhaust outlet 130 is opened in the mask body 10, and is connected to the respiratory cavity 110；And
Air intake duct 20, including inspiratory limb 200, air-guide section 220 and the construction section 230 being sequentially communicated, the inspiratory limb 200
Equipped with air entry 213, the construction section 230 is installed on the mask body 10 far from one end of the air-guide section 220, by institute
Air intake duct 20 is stated to be connected to the respiratory cavity 110；
The air-guide section 220 is formed by least one gas-guide tube 221, when the air-guide section 220 includes multiple described leads
When tracheae 221, multiple gas-guide tubes 221 are successively removably sealedly attached to together.
Without loss of generality, mask body 10 has respiratory cavity 110 and the wearing being connected with respiratory cavity 110 opening 120,
Wearing opening 120 can fit with the face of human body, and the mouth, nose, eyes of human body are located in respiratory cavity 110.When making
User wears when snorkeling the swimming of mask 1 or diving, wearing opening 120 and the face's palette of human body of mask body 10, from
And prevent water from entering in respiratory cavity 110.
Originally the mask 1 that snorkels has independent exhaust passage and an air intake passage, and exhaust passage and air intake passage are and respiratory cavity
110 connections, air intake passage is used for the conveying space into respiratory cavity 110, in order to human body incoming call air；Exhaust passage is used for people
The carbon dioxide of body exhalation is discharged out of respiratory cavity 110.It is understood that since exhaust passage and air intake passage are mutually only
It is vertical, be conducive to carbon dioxide and be quickly discharged out of respiratory cavity 110, to improve the oxygen content in respiratory cavity 110, is more convenient people
Body breathing.Specifically, the exhaust passage can be realized by the exhaust outlet 130 that is opened in mask body 10, exhaust outlet 130 with exhale
It inhales chamber 110 to be connected to, so that the carbon dioxide in respiratory cavity 110 is discharged；The inlet channel can be by being mounted on mask body 10
On air intake duct 20 realize that one end of air intake duct 20 is connected to respiratory cavity 110, the other end is then extend out on the water surface, thus logical
Air entry 213 is crossed to deliver the air in respiratory cavity 110.
In order to guarantee that carbon dioxide can be only discharged in exhaust outlet 130, and it is unlikely to introduce the water into respiratory cavity 110, it can be
Check valve is installed, so that air is only capable of from the unidirectional discharge outward of respiratory cavity 110 at exhaust outlet 130.Similarly, in order to guarantee to inhale
Tracheae 20 can only suck air, and be unlikely to the carbon dioxide discharge in respiratory cavity 110, can be in air intake duct 20 or face
The corresponding check valve of setting in cover body 10, to guarantee that air is only capable of in from extraneous one-way flow to respiratory cavity 110.
It is emphasized that in the present embodiment, the length of above-mentioned air intake duct 20 be it is adjustable, i.e., when air intake duct 20
When length is smaller, the diving depth for the mask 1 that snorkels is smaller；When the length of air intake duct 20 is larger, the diving depth for the mask 1 that snorkels
The larger mask 1, it can be achieved that user's wearing snorkels carries out underwater movement at deep water.
Air intake duct 20 includes inspiratory limb 200, air-guide section 220 and construction section 230, wherein inspiratory limb 200 has air entry
213, when user wears and snorkels the progress underwater movement of mask 1, at least part of inspiratory limb 200 is located on the water surface,
So that the air entry 213 in inspiratory limb 200 is located on the water surface, to guiding air to the respiratory cavity of mask body 10
In 110；Construction section 230 is connected with mask body 10, so that realizing will be in the installation to mask body 10 of air intake duct 20.Inspiratory limb
200, air-guide section 220 and 230 three of construction section are successively to be sealedly attached to together, to avoid 20 leak of air intake duct and lead
User is caused to generate the dangerous situation such as water of choking.
It is adjusted for the ease of the length to air intake duct 20, in the present embodiment, the air-guide section 220 is by least one air guide
Pipe 221 is formed, and when needing to increase the length of air intake duct 20, can be sequentially connected to form one by multiple gas-guide tubes 221
A biggish air-guide section 220 of length.It is understood that multiple gas-guide tube 221 successively seals, to avoid air-guide section
220 occur infiltration risk；Adjacent two gas-guide tube 221 is detachably connected, so that it is also convenient for the assembling of multiple gas-guide tubes 221,
The length of air-guide section 220 is adjusted with realizing.Wherein, there are many connection types between adjacent two gas-guide tube 221, such as
It can be not especially limited herein by forms such as sealing grafting, threaded sealing fits.
In the present embodiment, inspiratory limb 200, air-guide section 220 and 230 three of construction section are removably to be sealedly attached to one
It rises, consequently facilitating for being adjusted to the length of air-guide section 220.Connection type between inspiratory limb 200 and air-guide section 220 has
It is a variety of, such as the forms such as sealing grafting, threaded sealing fit can be passed through.Similarly, the company between air-guide section 220 and construction section 230
It connects there are many modes, such as the forms such as sealing grafting, threaded sealing fit can be passed through.
In this way, when user need dive at deep water when, multiple gas-guide tubes 221 can be sequentially connected, to increase
The length of big air-guide section 220, i.e., the mask 1 that originally snorkels have the advantages that 20 adjustable in length of air intake duct, can meet user's progress
It takes pictures under water, the underwater experience activity such as underwater sightseeing, so that the experience effect for the mask 1 that snorkels is more preferably.That is: for originally snorkeling
For mask 1, the length of air intake duct 20 can be adjusted according to demands of individuals, reach the demand that experience is taken pictures under water, so that floating
The experience effect of latent mask 1 is more preferably.
Further, in this embodiment the inspiratory limb 200 is preferably between air-guide section 220 by the way of mating
It is connected, to improve the disassembly efficiency between inspiratory limb 200 and air-guide section 220.In order to improve inspiratory limb 200 and air-guide section
220 sealing effect is arranged on the outer peripheral surface of the one end for the gas-guide tube 221 being connected with inspiratory limb 200 and is equipped with sealing ring
222, one end sealing of gas-guide tube 221 is plugged in inspiratory limb 200.
Above-mentioned construction section 230 is connected in such a way that sealing is mating preferably between air-guide section 220, to improve
Disassembly efficiency between inspiratory limb 200 and air-guide section 220.Wherein, the one end of construction section 230 far from inspiratory limb 200 is removably
It is seal-installed in mask body 10, thus the assembly of more conducively air intake duct 20 and mask body 10.
In order to improve the appearance for the mask 1 that snorkels, make its appearance and modeling that there is diversity, referring to Fig.1 and Fig. 8, the present embodiment
In, above-mentioned gas-guide tube 221 is straight or arced tube is arranged, and certainly in other embodiments, which can also be in
The setting of other curve-likes.In this way, which entire air-guide section 220 can have a variety of moulding, to meet the view of different users
Feel demand.
In the present embodiment, above-mentioned air intake duct 20 is preferably provided with two, and is located at the opposite sides of exhaust outlet 130.Its
In two air intake ducts 20 be located at the position of human body two sides cheek, it is possible to increase the air inlet amount for the mask 1 that snorkels so that human body
It breathes more smooth.
It is worth noting that water flows backward from air entry 213 to air intake duct 20 in order to prevent, above-mentioned suction in the present embodiment
The inspiratory limb 200 of tracheae 20 has the following structure:
Referring to Fig. 5 to Fig. 7, inspiratory limb 200 includes shell 210 and float 201, wherein has in shell 210 and is vertically in
The respective top of parallel arrangement of suction chamber 211 and air guide chamber 212, suction chamber 211 and air guide chamber 212 is interconnected, air guide
The lower end of chamber 212 is connected with air-guide section 220, and air entry 213 is opened on shell 210, and air entry 213 and suction chamber 211
Connection；Float 201 is slidably mounted in suction chamber 211, and when float 201 is located at the top of suction chamber 211, float 201
The upper end of suction chamber 211 is sealed, by suction chamber 211 and the sealing isolation of air guide chamber 212.
When inspiratory limb 200 is in water, water can flow into suction chamber 211 from air entry 213, and air can be to suction chamber
211 top flows in air guide chamber 212；When inspiratory limb 200 is immersed in water completely, the water level in suction chamber 211 rises, this
When float 201 in the presence of hydraulic pressure can be in suction chamber 211 to upper floating, to the upper end of suction chamber 211 be sealed, so
It can avoid water to flow into air guide chamber 212；When inspiratory limb 200 floats up on the water surface, the water level in suction chamber 211 also can be under
Drop, float 201 in suction chamber 211 to lower floating, to the top of suction chamber 211 be opened, in order to air guide air cavity
212 circulations.
Further, for the ease of the installation of float 201, the top of above-mentioned shell 210 is in open setting, suction chamber 211
Upper end be equipped with opening, opening opening between have gap, and opening be connected with opening, the upper end of air guide chamber 212 and institute
State open connection；Inspiratory limb 200 further includes being installed on the upper cover 214 on 210 top of shell, and 214 sealing cover of upper cover closes open；Air-breathing
Section 200 further includes the locating part 216 for being installed on opening, and locating part 216 has a connection air guide chamber 212 and open venthole
217, the upper surface of float 201 abuts with 217 bore edges of venthole and seals venthole 217.
It is understood that float 201 can float up and down in suction chamber 211, when air entry 213 is submerged in completely
When in water, float 201 floats up to the top of suction chamber 211, so that venthole 217 be sealed, prevents water by venthole 217
Flow to air guide chamber 212.When air entry 213 is at least partly exposed to the water surface, float 201 is under the water level in suction chamber 211
It drops and floats downwards, venthole 217 is opened at this time, and air can carry out in air guide chamber 212 by suction chamber 211.
By the way that locating part 216 is arranged, float 201 can be prevented to be detached from suction chamber 211 from the opening of the upper end of suction chamber 211.
Further, locating part 216 is detached from the opening of suction chamber 211 in order to prevent, and upper cover 214 is towards being extended with abutting muscle
215, it abuts muscle 215 and the side of locating part 216 back to the air guide chamber 212 abuts against, fixed so that locating part 216 be pressed
In the opening of suction chamber 211.
It floats up and down to be more conducive to float 201 in suction chamber 211, in the present embodiment, which can be in capsule shape
Or spherical setting, and the surface of float 201 is preferable in finish, to reduce the contact of float 201 with 211 cavity wall of suction chamber
Frictional force.
Further, flow to suction chamber 211 from air entry 213 for the ease of air, the air entry 213 be equipped with it is multiple, it is more
A air entry 213 is vertically intervally arranged.In this way, which air entry 213 is submerged in water when inspiratory limb 200 is in water
Number to the submersible depth of inspiratory limb 200 be directly proportional, thus the control to the air capacity for flowing into suction chamber 211 of being more convenient for
System.
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 mask that snorkels of air intake duct adjustable in length characterized by comprising
Mask body has a respiratory cavity；
Exhaust outlet is opened in the mask body, and is connected to the respiratory cavity；And
Air intake duct, including inspiratory limb, air-guide section and the construction section being sequentially communicated, the inspiratory limb is equipped with air entry, the peace
It fills section and is installed on the mask body far from one end of the air-guide section, the air intake duct is connected to the respiratory cavity；
The air-guide section is formed by least one gas-guide tube, when the air-guide section includes multiple gas-guide tubes, Duo Gesuo
Gas-guide tube is stated successively removably to be sealedly attached to together.
2. the mask that snorkels of air intake duct adjustable in length as described in claim 1, which is characterized in that be connected with the inspiratory limb
It is arranged on the outer peripheral surface of one end of the gas-guide tube connect and sealing ring is installed, one end sealing of the gas-guide tube is plugged in described
In inspiratory limb.
3. the mask that snorkels of air intake duct adjustable in length as described in claim 1, which is characterized in that the construction section is far from institute
The one end for stating inspiratory limb is removably seal-installed in the mask body.
4. the mask that snorkels of air intake duct adjustable in length as described in claim 1, which is characterized in that the air intake duct is equipped with two
It is a, and it is located at the opposite sides of the exhaust outlet.
5. the mask that snorkels of air intake duct adjustable in length as described in claim 1, which is characterized in that the gas-guide tube is in straight tube
Shape or arced tube setting.
6. the mask that snorkels of the air intake duct adjustable in length as described in any one of claim 1 to 5, which is characterized in that institute
Stating inspiratory limb includes:
Shell, having in the shell is vertically in parallel arrangement of suction chamber and air guide chamber, the suction chamber and the air guide
The respective top of chamber is interconnected, and the lower end of the air guide chamber is connected with the air-guide section, and the air entry is opened in institute
It states on shell, and the air entry is connected to the suction chamber；And
Float is slidably mounted in the suction chamber, and when the float is located at the top of the suction chamber, the float
The upper end of the suction chamber is sealed, by the suction chamber and air guide chamber sealing isolation.
7. the mask that snorkels of air intake duct adjustable in length as claimed in claim 6, which is characterized in that the top of the shell is in
Opening setting, the upper end of the suction chamber are equipped with opening, have gap between the opening and the opening, and the opening with
The opening is connected, and the upper end of the air guide chamber is connected to the opening；
The inspiratory limb further includes being installed on the upper cover of the housing tip, and the upper cover sealing cover closes the opening；
The inspiratory limb further includes the locating part for being installed on the opening, the locating part have the connection air guide chamber and
The venthole of the opening, the upper surface of the float abut with the vent holes edge and by the vent seals.
8. the mask that snorkels of air intake duct adjustable in length as claimed in claim 7, which is characterized in that the upper cover direction extends
Have an abutting muscle, the side for abutting muscle and the locating part back to the air guide chamber abuts against, with limit the locating part to
It is upper to be detached from the opening.
9. the mask that snorkels of air intake duct adjustable in length as claimed in claim 6, which is characterized in that the float is in capsule shape
Or spherical setting.
10. the mask that snorkels of air intake duct adjustable in length as claimed in claim 6, which is characterized in that the air entry is equipped with
Multiple, multiple air entries are vertically intervally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821671294.0U CN208882082U (en) | 2018-10-15 | 2018-10-15 | The mask that snorkels of air intake duct adjustable in length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821671294.0U CN208882082U (en) | 2018-10-15 | 2018-10-15 | The mask that snorkels of air intake duct adjustable in length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208882082U true CN208882082U (en) | 2019-05-21 |
Family
ID=66516275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821671294.0U Expired - Fee Related CN208882082U (en) | 2018-10-15 | 2018-10-15 | The mask that snorkels of air intake duct adjustable in length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208882082U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994233A (en) * | 2020-07-14 | 2020-11-27 | 湖州师范学院 | Breathing tube device for preventing water choking |
| CN116492178A (en) * | 2023-06-25 | 2023-07-28 | 德州氧康健康科技有限公司 | Oxygen cabin capable of preventing backflow infection |
-
2018
- 2018-10-15 CN CN201821671294.0U patent/CN208882082U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994233A (en) * | 2020-07-14 | 2020-11-27 | 湖州师范学院 | Breathing tube device for preventing water choking |
| CN116492178A (en) * | 2023-06-25 | 2023-07-28 | 德州氧康健康科技有限公司 | Oxygen cabin capable of preventing backflow infection |
| CN116492178B (en) * | 2023-06-25 | 2023-09-15 | 潍坊华信氧业有限公司 | Oxygen cabin capable of preventing backflow infection |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 |