CN111776170A - Diving equipment with adjustable buoyancy - Google Patents
Diving equipment with adjustable buoyancy Download PDFInfo
- Publication number
- CN111776170A CN111776170A CN202010713656.3A CN202010713656A CN111776170A CN 111776170 A CN111776170 A CN 111776170A CN 202010713656 A CN202010713656 A CN 202010713656A CN 111776170 A CN111776170 A CN 111776170A
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- Prior art keywords
- hose
- buoyancy
- groove
- diving
- air
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- 230000009189 diving Effects 0.000 title claims abstract description 47
- 238000007667 floating Methods 0.000 claims abstract description 40
- 238000005086 pumping Methods 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 36
- 238000007789 sealing Methods 0.000 claims description 30
- 238000004804 winding Methods 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000013535 sea water Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000013575 regulation of buoyancy Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/02—Divers' equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses buoyancy-adjustable diving equipment, which relates to the technical field of diving equipment and comprises a fixed block, wherein a binding device is arranged at the top of the fixed block, the bottom of the fixed block is fixedly connected with an air storage pipe, the bottom of the air storage pipe is communicated with a hose, one end of the hose, which is far away from the air storage pipe, is communicated with a floating ball through a control pipe, a weighting block is filled in the floating ball, an exhaust device is arranged in the control pipe, an air pumping block is sleeved outside the hose, one side of the inner wall of the air pumping block is provided with a driving groove, a gear is rotatably connected between two sides of the inner wall of the driving groove, and one side of the hose is provided with a gear groove. This diving equipment that buoyancy can be regulated and control can simplify diving equipment buoyancy adjusting device's structure, reduces diving equipment's cost, increases buoyancy adjusting device's function, increases breathable gas's storage when reducing equipment buoyancy and realizing diving, increases the time of diving.
Description
Technical Field
The invention relates to the technical field of diving equipment, in particular to diving equipment with adjustable buoyancy.
Background
The diving is originally intended to enter activities below the water surface with or without professional tools for underwater exploration, salvage, repair, underwater engineering and other operations, and the later diving is gradually developed into a leisure sport which takes underwater activities as main contents, thereby achieving the purposes of body exercise and leisure and entertainment, and is widely popular with the public. To achieve a greater degree of submergence, it is often necessary to carry a tool to increase the weight of the submergence person.
Chinese invention CN106477011A discloses a buoyancy regulating and pressure compensating system and method for a diving device, comprising a shell, wherein the shell is filled with gas with a certain pressure, the shell is provided with more than two elastic air bags, the elastic air bags are filled with gas with a certain pressure and are contacted with the inside and the outside of the shell through a perforated protective shell coated outside the elastic air bags, the pressure of the gas filled in each elastic air bag is different, and the gas pressure in the shell is lower than the gas pressure in the elastic air bags; the elastic water bag, the bidirectional seawater hydraulic pump and the seawater electromagnetic valve are arranged in the shell, when the underwater diving device is submerged, the control system controls the seawater electromagnetic valve to be electrified to connect an external water environment to a unidirectional water path of the elastic water bag, when the gas pressure in the elastic air bag is greater than or equal to the external water environment pressure, the control system controls the motor to rotate and drive the bidirectional seawater hydraulic pump to press the water of the external water environment into the elastic water bag, the shell is not changed in size and increased in mass to realize the submerged diving, but the structure is complex and high in cost, the function is single, the buoyancy can only be reduced to realize the submerged diving purpose, the occupied volume of gas in the device cannot be converted into breathable gas for storage after being reduced in size, the capacity of breathable gas cannot be increased while the submerged is realized.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the diving equipment with adjustable buoyancy, which can simplify the structure of a buoyancy adjusting device of the diving equipment, reduce the cost of the diving equipment, increase the function of the buoyancy adjusting device, reduce the buoyancy of the equipment, realize the diving, simultaneously increase the storage of breathable gas and increase the diving time.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a diving equipment that buoyancy can be regulated and control, includes the fixed block, binding device is installed at the top of fixed block, the bottom fixedly connected with gas receiver of fixed block, the bottom intercommunication of gas receiver has the hose, the one end that the hose kept away from the gas receiver has the floating ball through the control tube intercommunication, the inside packing of floating ball has the weight that adds, the internally mounted of control tube has exhaust apparatus, the outside cover of hose is equipped with the piece of taking out air, the drive groove has been seted up to inner wall one side of piece of taking out air, it is connected with the gear to rotate between the inner wall both sides of drive groove, the gear groove with gear looks adaptation is seted up to one side of hose, sliding connection has the toothed plate between the inner wall both sides of drive groove, toothed plate and gear engagement, float the ball volume expansion after being full of gas to floating ball in, bind the fixed block on the, after the floating ball is put into water, the floating ball drives a diver to descend due to the weight block inside, when buoyancy needs to be reduced and submergence needs to be accelerated, the air pumping block is upwards pulled along the hose, the gear rotates along the gear groove outside the hose to drive the gear plate to move towards the direction of the hose to extrude the hose, so that the air inside the hose cannot circulate, the air inside the hose above the air pumping block is extruded into the air storage pipe along with the ascending of the air pumping block, the air pressure at the position below the air pumping block inside the hose is reduced, because more air is filled into the floating ball in a high-pressure state, the air pressure difference is generated at the upper side and the lower side of the exhaust device, the high-pressure air inside the floating ball upwards pushes the sealing plate to rotate, the sealing plate upwards pushes the pressing plate to extrude the spring until the air inside the floating ball flows into the hose, the spring downwards pushes the pressing plate, the air suction block slides downwards along the hose, the gear pushes the gear plate towards the direction far away from the hose along with the rotation of the gear groove, the inside of the hose is in an air ventilation state, the air suction block is pulled upwards again when moving to the bottom of the hose, the air inside the hose is compressed into the air storage pipe again, the volume of the air discharged from the inside of the floating ball at each time can be controlled, the purpose of gradually reducing the buoyancy of the device is achieved, the precision of buoyancy regulation and control is improved, the buoyancy of the device can be controlled more accurately to achieve accurate control of the diving speed of a diver, one side of the air storage pipe is communicated with the air suction pipe, the inner threaded pipe is rotated until the inner threaded pipe is fixed on the inner rod, the communication part of the air suction hose and the air storage pipe is blocked by the inner threaded pipe and the inner rod to prevent air ventilation, the rotation of the inner threaded pipe is, the gas exhausted for reducing buoyancy in the device can be used for breathing, the function of the buoyancy adjusting device of the diving equipment is improved, the storage of breathable gas is increased, and the diving time of a diver is prolonged.
Preferably, the exhaust device comprises a sealing ring, the sealing ring is installed inside the control tube, the sealing plates are symmetrically installed on the inner wall of the sealing ring, a pressing plate is slidably connected to the upper portion, located on the sealing plate, of the two sides of the inner wall of the control tube, the top of the pressing plate is fixedly connected with a fixing plate through a spring, and the fixing plate is fixedly connected with the inner wall of the control tube.
Preferably, the binding device comprises a binding groove, the binding groove is formed in the top of the fixing block, the winding rod is fixedly connected to the bottom of the inner wall of the binding groove, and the rope is fixedly connected to the outer side of the winding rod.
Preferably, the air suction pipe comprises an inner rod, the inner rod is fixedly connected with the air storage pipe, the inner rod is an external thread rod, an air suction hose is sleeved on the outer side of the inner rod and communicated with the air storage pipe, and an internal thread pipe matched with the inner rod is sleeved on the outer side of the air suction hose.
Preferably, the outer side of the floating ball is sleeved with a protective sleeve, one end, far away from the floating ball, of the control pipe penetrates through the protective sleeve and extends to the outside of the protective sleeve, one side of the protective sleeve is provided with an exhaust port, the position, close to the exhaust port, of the outer side of the protective sleeve is rotatably connected with a sealing block, one side of the sealing block is provided with a buckle, the outer side of the protective sleeve is provided with a clamping groove matched with the buckle, gas is filled into the protective sleeve, a discharge port in the sealing block is pressed into the clamping groove to seal the protective sleeve, the overall buoyancy of the device is increased, the device can float on the water surface, diving of diving equipment is facilitated after moving to a specified position, the buckle is opened when diving, the gas in the protective sleeve is discharged, the overall buoyancy of the device is reduced, the floating ball drives a diver to dive, the protective sleeve is sleeved on the outer side of the floating ball, the service life of the equipment is prolonged.
Preferably, the elasticity rope is evenly installed in the outside of floating the ball, the one end and the protective sheath fixed connection of floating the ball are kept away from to the elasticity rope, and the inside gas outgoing back elasticity rope of protective sheath draws the protective sheath to floating the ball, extrudes the protective sheath with the inside gas of protective sheath fast, makes the protective sheath hug closely floating the ball simultaneously, avoids the inside volume expansion of intaking of protective sheath to influence diver's action, makes the reaction of equipment more sensitive, and the realization that can be quick after the messenger opens the seal block is dived, shortens the required latency of dive.
Preferably, the inner wall both sides of hose have all been seted up and have been inlayed the groove, it evenly sets up along the length direction of hose to inlay the groove, inlay inner wall one side fixedly connected with magnet piece in groove, the one side magnetic pole that the magnet piece is close to is the same.
The invention provides a diving device with adjustable buoyancy. The method has the following beneficial effects:
(1) this diving equipment that buoyancy can be regulated and control can control at every turn from the inside exhaust gas's of floating ball volume, realizes reducing the purpose of device buoyancy gradually, has improved the precision that buoyancy was regulated and control, and diver's accurate control of dive speed is realized to controlgear's buoyancy that can be more accurate.
(2) This diving equipment that buoyancy can be regulated and control can be used for breathing the device inside for reducing the buoyancy combustion gas and use, has improved diving equipment's buoyancy adjusting device's function, has increased breathable gas's storage, has prolonged diver's time of diving.
(3) This diving equipment that buoyancy can be regulated and control can increase the holistic buoyancy of device, makes the device float on the surface of water, makes things convenient for diving equipment to remove to the assigned position after dive again.
(4) This diving equipment that buoyancy can be regulated and control makes the reaction of equipment more sensitive, makes the realization that can be quick after opening sealed piece dive, shortens the required latency of dive.
(5) This diving equipment that buoyancy can be regulated and control has increased the reliability of floating the ball, avoids floating the ball and is lacerated by the sharp-pointed article of aquatic, has increased the life of equipment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the interior of the protective casing of the present invention;
FIG. 3 is a schematic view of a control tube according to the present invention;
FIG. 4 is a cross-sectional view of the interior of the control tube of the present invention;
FIG. 5 is a schematic view of the structure of the air extractor of the present invention;
figure 6 is a cross-sectional view of the interior of the air extractor of the present invention.
In the figure: 1-fixed block, 2-binding device, 201-binding groove, 202-winding rod, 203-binding rope, 3-gas storage pipe, 4-hose, 5-control pipe, 6-floating ball, 7-weighting block, 8-exhaust device, 801-sealing ring, 802-sealing plate, 803-pressing plate, 804-spring, 805-fixing plate and 9-exhaust block, 10-driving groove, 11-gear, 12-gear groove, 13-gear plate, 14-air suction pipe, 141-inner rod, 142-air suction hose, 143-internal threaded pipe, 144-protective sleeve, 15-air outlet, 16-sealing block, 18-row buckle, 19-clamping groove, 20-elastic rope, 21-embedding groove and 22-magnet block.
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.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Example one
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a diving equipment that buoyancy can be regulated and control, including fixed block 1, binding device 2 is installed at the top of fixed block 1, the bottom fixedly connected with gas receiver 3 of fixed block 1, the bottom intercommunication of gas receiver 3 has hose 4, the one end that gas receiver 3 was kept away from to hose 4 has floating ball 6 through control tube 5 intercommunication, the inside packing of floating ball 6 has weighting block 7, the internally mounted of control tube 5 has exhaust apparatus 8, the outside cover of hose 4 is equipped with air pumping block 9, air pumping block 9's inner wall one side has seted up driving groove 10, it is connected with gear 11 to rotate between the inner wall both sides of driving groove 10, gear groove 12 with 11 looks adaptations of gear is seted up to one side of hose 4, sliding connection has gear plate 13 between the inner wall both sides of driving groove 10, gear plate 13 and the meshing of gear.
The exhaust device 8 comprises a sealing ring 801, the sealing ring 801 is installed inside the control tube 5, a sealing plate 802 is symmetrically installed on the inner wall of the sealing ring 801, a pressing plate 803 is slidably connected between two sides of the inner wall of the control tube 5 above the sealing plate 802, a fixing plate 805 is fixedly connected to the top of the pressing plate 803 through a spring 804, and the fixing plate 805 is fixedly connected with the inner wall of the control tube 5.
The binding device 2 comprises a binding groove 201, the binding groove 201 is arranged at the top of the fixing block 1, a winding rod 202 is fixedly connected to the bottom of the inner wall of the binding groove 201, and a binding rope 203 is fixedly connected to the outer side of the winding rod 202.
When the floating ball type air storage device is used, the floating ball 6 expands after being filled with gas, the binding rope 203 is pulled out from the binding groove 201 and then bound on the body of a diver, the floating ball 6 descends due to the driving of the diver by the weight 7 inside, when buoyancy needs to be reduced and the diving needs to be accelerated, the air pumping block 9 is pulled upwards along the hose 4, the gear 11 rotates along the gear groove 12 outside the hose 4 to drive the gear plate 13 to move towards the direction of the hose 4 to extrude the hose, so that the gas inside the hose 4 cannot circulate, the gas inside the hose 4 above the air pumping block 9 is extruded into the air storage pipe 3 along with the rising of the air pumping block 9, the air pressure inside the hose 4 below the air pumping block 9 is reduced, as more gas is filled inside the floating ball 6 and is in a high-pressure state, the air pressure difference is generated on the upper side and the lower side of the exhaust device 8, and the high-pressure gas inside the floating ball, the sealing plate 802 pushes the pressing plate 803 upwards to extrude the spring 804 until the gas inside the floating ball 6 flows into the hose 4, the spring 804 pushes the pressing plate 803 downwards after the pressure difference between the two sides of the exhaust device 8 is reduced, the sealing plate 802 is pushed downwards by the pressing plate 803 to seal the control pipe 5, the air pumping block 9 slides downwards along the hose 4, the gear 11 pushes the gear plate 13 towards the direction far away from the hose 4 along with the rotation of the gear groove 12, the inside of the hose 4 is in a ventilation state, the air pumping block 9 is pulled upwards again when moving to the bottom of the hose 4, and the gas inside the hose 4 is compressed into the air storage pipe 3 again.
Example two
Referring to fig. 1-6, the present invention provides a technical solution: in the first embodiment, one side of the air storage tube 3 is communicated with the air suction tube 14, the air suction tube 14 includes an inner rod 141, the inner rod 141 is fixedly connected with the air storage tube 3, the inner rod 141 is an external thread rod, an air suction hose 142 is sleeved outside the inner rod 141, the air suction hose 142 is communicated with the air storage tube 3, and an internal thread tube 143 matched with the inner rod 141 is sleeved outside the air suction hose 142.
When the suction hose is used, the internal threaded pipe 143 is rotated until the internal threaded pipe 143 is fixed to the inner rod 141, the communication between the suction hose 142 and the gas receiver 3 is blocked by the internal threaded pipe 143 and the inner rod 141, and air cannot be sucked.
EXAMPLE III
Referring to fig. 1-6, the present invention provides a technical solution: on the basis of embodiment two, the outside cover of floating ball 6 is equipped with protective sheath 15, and the one end that floating ball 6 was kept away from to control tube 5 runs through protective sheath 15 and extends to protective sheath 15's outside, and gas vent 16 has been seted up to one side of protective sheath 15, and the position that the gas vent 16 was close to in the outside of protective sheath 15 rotates and is connected with sealing block 17, and row's knot 18 is installed to one side of sealing block 17, and draw-in groove 19 with row's knot 18 looks adaptation is seted up in the outside of protective sheath 15.
The outside of floater 6 evenly is installed elastic cord 20, and the one end that elastic cord 20 kept away from floater 6 is connected with protective sheath 15 fixed connection.
When the device is used, gas is filled into the protective sleeve 15, the row port 18 on the sealing block 17 is pressed into the clamping groove 19 to seal the protective sleeve 15, so that the device can float on the water surface, the row buckle 18 is opened during submergence, the gas in the protective sleeve 15 is discharged, the overall buoyancy of the device is reduced, and the floating ball 6 is driven by a diver to submerge.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (7)
1. The utility model provides a diving equipment that buoyancy can be regulated and control, includes fixed block (1), its characterized in that: the binding device is characterized in that a binding device (2) is installed at the top of the fixed block (1), a gas storage pipe (3) is fixedly connected to the bottom of the fixed block (1), a hose (4) is communicated to the bottom of the gas storage pipe (3), one end, far away from the gas storage pipe (3), of the hose (4) is communicated with a floating ball (6) through a control pipe (5), a weighting block (7) is filled in the floating ball (6), an exhaust device (8) is installed in the control pipe (5), an air pumping block (9) is sleeved on the outer side of the hose (4), a driving groove (10) is formed in one side of the inner wall of the air pumping block (9), a gear (11) is rotatably connected between two sides of the inner wall of the driving groove (10), a gear groove (12) matched with the gear (11) is formed in one side of the hose (4), and a gear plate (13) is slidably connected between two sides of, the gear plate (13) is meshed with the gear (11), and one side of the air storage pipe (3) is communicated with an air suction pipe (14).
2. A buoyancy regulatable diving device as claimed in claim 1, wherein: exhaust apparatus (8) include sealing ring (801), sealing ring (801) are installed in the inside of control tube (5), sealing plate (802) are installed to the inner wall symmetry of sealing ring (801), the top sliding connection that is located sealing plate (802) between the inner wall both sides of control tube (5) has clamp plate (803), spring (804) fixedly connected with fixed plate (805) are passed through to the top of clamp plate (803), fixed plate (805) and the inner wall fixed connection of control tube (5).
3. A buoyancy regulatable diving device as claimed in claim 1, wherein: bind device (2) including binding groove (201), set up at the top of fixed block (1) in binding groove (201), inner wall bottom fixedly connected with winding rod (202) of binding groove (201), rope (203) are bound to the outside fixedly connected with of winding rod (202).
4. A buoyancy regulatable diving device as claimed in claim 1, wherein: the air suction pipe (14) comprises an inner rod (141), the inner rod (141) is fixedly connected with the air storage pipe (3), the inner rod (141) is an external thread rod, an air suction hose (142) is sleeved on the outer side of the inner rod (141), the air suction hose (142) is communicated with the air storage pipe (3), and an internal thread pipe (143) matched with the inner rod (141) is sleeved on the outer side of the air suction hose (142).
5. A buoyancy regulatable diving device as claimed in claim 1, wherein: the outside cover of floating ball (6) is equipped with protective sheath (15), the one end that floating ball (6) was kept away from in control tube (5) runs through protective sheath (15) and extends to the outside of protective sheath (15), gas vent (16) have been seted up to one side of protective sheath (15), the position rotation that the outside of protective sheath (15) is close to gas vent (16) is connected with sealing block (17), arrange and detain (18) are installed to one side of sealing block (17), draw-in groove (19) with arrange and detain (18) looks adaptation are seted up in the outside of protective sheath (15).
6. A buoyancy regulatable diving device as claimed in claim 5, wherein: the outside of floating ball (6) is evenly installed elastic rope (20), the one end and protective sheath (15) fixed connection that floating ball (6) were kept away from in elastic rope (20).
7. A buoyancy regulatable diving device as claimed in claim 1, wherein: inlay groove (21) have all been seted up to the inner wall both sides of hose (4), it evenly sets up along the length direction of hose (4) to inlay groove (21), inner wall one side fixedly connected with magnet piece (22) of inlaying groove (21), one side magnetic pole that magnet piece (22) are close to is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713656.3A CN111776170B (en) | 2020-07-22 | 2020-07-22 | Diving equipment with adjustable buoyancy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713656.3A CN111776170B (en) | 2020-07-22 | 2020-07-22 | Diving equipment with adjustable buoyancy |
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| Publication Number | Publication Date |
|---|---|
| CN111776170A true CN111776170A (en) | 2020-10-16 |
| CN111776170B CN111776170B (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010713656.3A Active CN111776170B (en) | 2020-07-22 | 2020-07-22 | Diving equipment with adjustable buoyancy |
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| CN (1) | CN111776170B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2593136A1 (en) * | 1986-01-21 | 1987-07-24 | Boucheron Paul | New breathing assembly for shallow-depth diving |
| CN2322892Y (en) * | 1997-10-06 | 1999-06-09 | 杨安娟 | Floating diver's equipment |
| CN107380372A (en) * | 2017-07-28 | 2017-11-24 | 广州大正新材料科技有限公司 | A kind of portable dive equipment |
| CN207389506U (en) * | 2017-09-06 | 2018-05-22 | 东莞市亿富隆户外用品有限公司 | A kind of aqualung bite with drinking water function |
| CN111204427A (en) * | 2020-03-17 | 2020-05-29 | 天津海外海科技有限公司 | Diving umbilical cord and using method |
-
2020
- 2020-07-22 CN CN202010713656.3A patent/CN111776170B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2593136A1 (en) * | 1986-01-21 | 1987-07-24 | Boucheron Paul | New breathing assembly for shallow-depth diving |
| CN2322892Y (en) * | 1997-10-06 | 1999-06-09 | 杨安娟 | Floating diver's equipment |
| CN107380372A (en) * | 2017-07-28 | 2017-11-24 | 广州大正新材料科技有限公司 | A kind of portable dive equipment |
| CN207389506U (en) * | 2017-09-06 | 2018-05-22 | 东莞市亿富隆户外用品有限公司 | A kind of aqualung bite with drinking water function |
| CN111204427A (en) * | 2020-03-17 | 2020-05-29 | 天津海外海科技有限公司 | Diving umbilical cord and using method |
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| Publication number | Publication date |
|---|---|
| CN111776170B (en) | 2021-11-05 |
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Effective date of registration: 20211019 Address after: 230000 12K Heyu Road, Feidong, Hefei, Anhui Province Applicant after: ANHUI KANGYU HYDROPOWER MACHINERY COMPLETE EQUIPMENT Co.,Ltd. Address before: 550001 no.266, Beijing Road, Yunyan District, Guiyang City, Guizhou Province Applicant before: Wang Peigui |
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