CN210503130U - Underwater propeller for diving - Google Patents
Underwater propeller for diving Download PDFInfo
- Publication number
- CN210503130U CN210503130U CN201921509379.3U CN201921509379U CN210503130U CN 210503130 U CN210503130 U CN 210503130U CN 201921509379 U CN201921509379 U CN 201921509379U CN 210503130 U CN210503130 U CN 210503130U
- Authority
- CN
- China
- Prior art keywords
- transmission
- water
- cabin body
- transmission oar
- shell
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- 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
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Abstract
The utility model relates to a propeller under dive water, including the cabin body, the symmetry is provided with two transmission oar covers on the cabin body, coincide to rotate in each transmission oar cover and install the transmission oar, the transmission oar includes the pivot and sets up in the epaxial spiral auger blade of commentaries on classics, each transmission oar sheathes in and is provided with the water inlet that the opening is preceding, be provided with the power unit that is used for driving each transmission oar in the cabin body, the tip of each transmission oar cover is provided with out the water structure, it has the delivery port that the opening is backward and the intercommunication corresponds the intercommunication chamber of transmission oar cover and delivery port to go out the. The place ahead rivers get into in the transmission oar cover and discharge to the water structure by the transmission oar by the water inlet, discharge backward by the delivery port, form forward thrust, the underwater propulsor of this structure sets up the transmission oar in the transmission oar cover, and power unit sets up in the cabin body for whole underwater propulsor does not have external paddle, owing to not leaking outward, consequently is difficult for ageing and has avoided the problem to the potential safety hazard of dive personnel limbs injury.
Description
Technical Field
The utility model relates to an underwater propulsor equipment field, concretely relates to propeller under dive water.
Background
At present, most of submersible underwater propellers adopt external blades which are ducted fan type propellers, but the external structures are easy to age and have potential safety hazards. Meanwhile, most of power devices of the propellers on the market are of a double-propeller structure, namely, two external blades are symmetrically arranged on the propellers, and each external blade is driven by a corresponding motor, but the power of the two motors is difficult to keep always in real time, so that the power on the underwater propeller is uneven, and the problem that the propellers are unstable and the propulsion effect is poor when propulsion is carried out is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dive is with underwater propeller to adopt external paddle to lead to easily ageing and have the problem of potential safety hazard among the solution prior art.
In order to achieve the above object, the utility model discloses a propeller under dive water adopts following technical scheme: the utility model provides a propeller under dive water, includes the cabin body, the symmetry is provided with two transmission oar covers on the cabin body, coincide to rotate in each transmission oar cover and install the transmission oar, the transmission oar includes the pivot and sets up the epaxial spiral auger blade of commentaries on classics, each transmission oar sheathes in and is provided with the water inlet that the opening is preceding, be provided with the power unit that is used for driving each transmission oar in the cabin body, the tip of each transmission oar cover is provided with out water structure, it has the delivery port that the opening is backward and communicates the intercommunication chamber that corresponds transmission oar cover and delivery port to go out water.
The power mechanism comprises a motor arranged in the cabin body, a motor shaft is provided with a driving bevel gear, and the shaft ends of the rotating shafts of the driving paddles are respectively provided with a driven bevel gear which is used for being in meshing transmission with the driving bevel gear.
Each water inlet is provided with a protective grid cover.
The protective grid cover is a spherical structure protruding forwards.
Each the pivot is rotated through the bearing and is installed in corresponding transmission oar cover, and the bearing is located between the cabin body and the water inlet, and the cover is equipped with the seal structure of sealed isolated cavity and transmission oar cover in the pivot between bearing and water inlet.
The water outlet structure comprises a shell, the shell is provided with a water outlet with a backward opening, a cylinder is arranged in the shell, an annular communicating cavity communicated with the driving paddle sleeve is formed between the cylinder and the inner wall of the shell, and the area of the cross section of the communicating cavity is smaller than that of the cross section of the inner cavity of the driving paddle sleeve, so that water flow enters the shell and is pressurized.
The cylinder has a through hole running through the cylinder along the front and back.
The water outlet structure comprises a shell, the shell is provided with a water outlet with an opening facing backwards, the shell is provided with a water inlet pipe which extends into the corresponding transmission paddle sleeve and is connected with the transmission paddle sleeve, and the water inlet pipe is provided with a flaring structure facing the transmission paddle sleeve so that water flow can be pressurized once when entering the water inlet pipe.
The cylinder has in the casing, the intercommunication chamber includes the annular cavity with the inlet tube intercommunication that forms between the inner wall of cylinder and casing, and the area of the cross section of annular cavity is less than the area of the cross section of the inner chamber of inlet tube to make rivers carry out the secondary pressure boost.
The cylinder has a through hole running through the cylinder along the front and back.
The utility model has the advantages that: the place ahead rivers get into in the transmission oar cover and discharge to the water structure by the transmission oar by the water inlet, finally discharge backward by the delivery port, form forward thrust, the underwater propulsor of this structure sets up the transmission oar in the transmission oar cover, and power unit sets up in the cabin body for whole underwater propulsor does not have external paddle, owing to not leaking outward, consequently is difficult for ageing and has avoided the problem to the potential safety hazard of dive personnel limbs injury.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a submersible underwater propeller according to the present invention;
fig. 2 is a schematic view of the internal structure of the submersible propelling device for diving in fig. 1;
fig. 3 is a schematic structural diagram of a second embodiment of the submersible underwater propeller according to the present embodiment.
Detailed Description
The utility model discloses an embodiment one of propeller under dive water, as shown in fig. 1-fig. 2, including the cabin body 1, the symmetry is provided with two transmission oar covers 2 on the cabin body 1, coincide to rotate in each transmission oar cover 2 and install transmission oar 10, and transmission oar 10 includes the pivot and sets up in the epaxial spiral auger blade of commentaries on classics. Each driving paddle sleeve 2 is provided with a water inlet 4 with a forward opening, each water inlet 4 is provided with a protective grid cover 5, and each protective grid cover 5 is of a spherical structure protruding forwards and prevents sundries from entering the driving paddle sleeve to wind the driving paddle and even block the driving paddle sleeve.
The cabin body 1 is provided with a power mechanism for driving each transmission paddle, the power mechanism comprises a motor arranged in the cabin body, the motor is a waterproof brushless motor, a motor shaft is provided with a driving bevel gear 12, and the shaft end of a rotating shaft of each transmission paddle 10 is respectively provided with a driven bevel gear 13 which is used for being meshed with the driving bevel gear 12 for transmission. Each rotating shaft is rotatably arranged in the corresponding driving paddle sleeve 2 through a bearing 14, the bearing is a waterproof bearing, the bearing 14 is positioned between the cabin body and the water inlet, and a sealing structure for sealing and isolating the cavity and the driving paddle sleeve is sleeved on the rotating shaft between the bearing and the water inlet. The sealing structure adopts a sealing plate 15, the sealing plate 5 is arranged in the transmission paddle sleeve 2, the rotating shaft is hermetically sleeved on the sealing plate, a pressing sheet 16 used for jacking the sealing plate 15 is further arranged on the rotating shaft, and the pressing sheet 16 compresses the sealing plate under the action of water flow pressure.
The end part of each driving paddle sleeve 2 is provided with a water outlet structure 3, and the water outlet structure 3 is provided with a water outlet 7 with a backward opening and a communicating cavity for communicating the corresponding driving paddle sleeve and the water outlet. The water outlet structure 3 comprises a housing having the above-mentioned water outlet 7 with a rearward opening, the housing having a water inlet pipe 19 extending into and connected to the corresponding driving paddle housing, the water inlet pipe having a flared structure 17 facing the driving paddle housing to provide a primary pressurization of the water flow as it enters the water inlet pipe. The shell is internally provided with a column body 8, the communicating cavity comprises an annular cavity body 18 which is formed between the column body and the inner wall of the shell and is communicated with the water inlet pipe, and the area of the cross section of the annular cavity body 18 is smaller than that of the cross section of the inner cavity of the water inlet pipe 19, so that the water flow is pressurized for the second time. The cylinder 8 has through holes 9 penetrating the cylinder in the front and rear direction for external water to pass through. All be provided with handle 6 between the cabin body and the casing of each delivery port structure, two handles 6 symmetry sets up for supply dive personnel under water to hold the use.
When using, rivers get into the transmission oar cover by the water inlet in, the motor drives the transmission oar and rotates, the water discharge that leads to the transmission oar, also form the negative pressure in water inlet department, gush into of external water receiving with higher speed, because the existence of connecting pipe flaring structure, make the transmission oar lead to the time-spent by the pressure boost in the water gets into the connecting pipe, get into the annular cavity again in the time by the secondary pressure boost, rivers after the secondary pressure boost are discharged from the delivery port, drive the dive personnel and advance, simultaneously because the outer wall of shells inner wall and cylinder is streamlined design makes rivers distribute evenly. And the diving underwater propeller of this embodiment adopts the single motor to drive the built-in power structure of two transmission oars simultaneously for this underwater propeller advances more safe and stable. The problem that external blades are easy to age and hidden in personal safety hazards in the prior art is solved, and the problem of unstable advancing caused by adoption and double power is avoided.
In the second embodiment of the submersible underwater propeller of the present embodiment, as shown in fig. 3, the difference from the first embodiment is only that the casing structure of the water outlet structure is different, in this embodiment, the casing does not have a connecting pipe, at this time, the casing of the water outlet structure 3 and the driving paddle sleeve 2 are integrally formed, at this time, an annular cavity communicated with the driving paddle sleeve is formed between the column body and the inner wall of the casing, and is a communicating cavity, and the area of the cross section of the communicating cavity is smaller than the area of the cross section of the inner cavity of the driving paddle sleeve, so that water flows into the casing and is pressurized. The water flow in the driving paddle sleeve directly enters the annular communicating cavity, and only the water flow enters the shell from the driving paddle sleeve for pressurization.
Claims (10)
1. A submersible propeller, characterized in that: the water outlet structure comprises a cabin body, wherein two transmission paddle sleeves are symmetrically arranged on the cabin body, transmission paddles are arranged in each transmission paddle sleeve in a matching and rotating mode and comprise a rotating shaft and spiral auger blades arranged on the rotating shaft, a water inlet with a forward opening is formed in each transmission paddle sleeve, a power mechanism used for driving each transmission paddle is arranged in the cabin body, a water outlet structure is arranged at the end part of each transmission paddle sleeve, and the water outlet structure is provided with a water outlet with a backward opening and a communicating cavity communicated with the corresponding transmission paddle sleeve and the water outlet.
2. The submersible underwater propeller as recited in claim 1, wherein: the power mechanism comprises a motor arranged in the cabin body, a motor shaft is provided with a driving bevel gear, and the shaft ends of the rotating shafts of the driving paddles are respectively provided with a driven bevel gear which is used for being in meshing transmission with the driving bevel gear.
3. The submersible underwater propeller as recited in claim 1, wherein: each water inlet is provided with a protective grid cover.
4. The submersible underwater propeller as recited in claim 3, wherein: the protective grid cover is a spherical structure protruding forwards.
5. The submersible underwater propeller as recited in claim 1, wherein: each the pivot is rotated through the bearing and is installed in corresponding transmission oar cover, and the bearing is located between the cabin body and the water inlet, and the cover is equipped with the seal structure of sealed isolated cavity and transmission oar cover in the pivot between bearing and water inlet.
6. The submersible underwater propeller according to any one of claims 1 to 5, wherein: the water outlet structure comprises a shell, the shell is provided with a water outlet with a backward opening, a cylinder is arranged in the shell, an annular communicating cavity communicated with the driving paddle sleeve is formed between the cylinder and the inner wall of the shell, and the area of the cross section of the communicating cavity is smaller than that of the cross section of the inner cavity of the driving paddle sleeve, so that water flow enters the shell and is pressurized.
7. The submersible water propeller of claim 6, wherein: the cylinder has a through hole running through the cylinder along the front and back.
8. The submersible underwater propeller according to any one of claims 1 to 5, wherein: the water outlet structure comprises a shell, the shell is provided with a water outlet with an opening facing backwards, the shell is provided with a water inlet pipe which extends into the corresponding transmission paddle sleeve and is connected with the transmission paddle sleeve, and the water inlet pipe is provided with a flaring structure facing the transmission paddle sleeve so that water flow can be pressurized once when entering the water inlet pipe.
9. The submersible underwater propeller as recited in claim 8, wherein: the cylinder has in the casing, the intercommunication chamber includes the annular cavity with the inlet tube intercommunication that forms between the inner wall of cylinder and casing, and the area of the cross section of annular cavity is less than the area of the cross section of the inner chamber of inlet tube to make rivers carry out the secondary pressure boost.
10. The submersible underwater propeller as recited in claim 9, wherein: the cylinder has a through hole running through the cylinder along the front and back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509379.3U CN210503130U (en) | 2019-09-11 | 2019-09-11 | Underwater propeller for diving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509379.3U CN210503130U (en) | 2019-09-11 | 2019-09-11 | Underwater propeller for diving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210503130U true CN210503130U (en) | 2020-05-12 |
Family
ID=70569409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921509379.3U Expired - Fee Related CN210503130U (en) | 2019-09-11 | 2019-09-11 | Underwater propeller for diving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210503130U (en) |
-
2019
- 2019-09-11 CN CN201921509379.3U patent/CN210503130U/en not_active Expired - Fee Related
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Legal Events
| 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: 20200512 Termination date: 20210911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |