CN216861786U - Underwater propeller - Google Patents
Underwater propeller Download PDFInfo
- Publication number
- CN216861786U CN216861786U CN202123115701.4U CN202123115701U CN216861786U CN 216861786 U CN216861786 U CN 216861786U CN 202123115701 U CN202123115701 U CN 202123115701U CN 216861786 U CN216861786 U CN 216861786U
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- water inlet
- flow guide
- water
- underwater
- propeller
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Abstract
The utility model discloses an underwater propeller, wherein the underwater propeller comprises a mounting seat, a water inlet grille and a flow guide piece; the mounting seat is provided with a mounting end; the water inlet grille is annular, one end of the water inlet grille is arranged at the mounting end, and the other opposite end of the water inlet grille is provided with a mounting part; the water inlet and the installation part of the flow guide piece are detachably connected. According to the technical scheme, the water inlet grille of the underwater propeller is detachably connected with the flow guide piece, so that the detachable replacement of the flow guide piece is realized, different flow guide pieces can be nozzle type paddle covers or duct type paddle covers, different nozzle type paddle covers have different water outlet diameters and water outlet structures, when the underwater propeller dives underwater, the water inlet grille can be connected with different flow guide pieces according to needs, so that different thrust and efficiency are changed, and the effect of switching multiple thrusts of the propeller is achieved.
Description
Technical Field
The utility model relates to the technical field of underwater propellers, in particular to an underwater propeller.
Background
An Underwater propeller (underster thruster) is a device that converts any form of energy into mechanical energy, generating thrust by rotating blades, for Underwater driving a forward tool.
Most of the existing underwater propellers adopt a single duct or nozzle, so that the performance of the propeller under water is single, and the requirements of users under different conditions cannot be met. That is, when the propeller of the fixed duct is submerged under water, the thrust of the propeller cannot become greater against the water flow in the case where the water flow is large; when the water flow is small, the efficiency of the propeller cannot be higher, so that the energy consumption of the propeller is high, and the longer endurance time cannot be obtained.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an underwater propeller, and aims to solve the technical problem that a propeller with a single flow guide part cannot realize required thrust under water.
In order to achieve the above object, the present invention provides an underwater propeller comprising:
a mounting base having a mounting end;
the water inlet grating is annular, one end of the water inlet grating is mounted at the mounting end, and the other opposite end of the water inlet grating is provided with a mounting part; and
the water conservancy diversion spare, the water conservancy diversion spare has the water conservancy diversion passageway and is located the water inlet and the delivery port at water conservancy diversion passageway both ends, the water inlet of water conservancy diversion spare with the connection can be dismantled to the installation department.
Optionally, the outer peripheral edge of installation department is equipped with the external screw thread, the water conservancy diversion spare is close to the inner wall of water inlet one side is equipped with the internal thread, the grid of intaking with water conservancy diversion spare threaded connection.
Optionally, the number of the flow guide pieces is at least two, the flow guide pieces are nozzle type paddle covers, and the diameters of the water outlets of the at least two nozzle type paddle covers are different.
Optionally, the nozzle type paddle housing includes a first housing main body and a guide vane, the first housing main body forms the guide passage, and the guide vane is connected to an inner wall of the guide passage and is disposed along an axial extension of the guide passage.
Optionally, the diameter of the first cover main body gradually decreases in a direction from a middle portion thereof to the water outlet.
Optionally, the nozzle type oar cover further comprises a fixed shaft, the fixed shaft is arranged along the extending direction of the axis of the first cover main body, one end of the guide vane is connected with the outer wall of the fixed shaft, and the other end of the guide vane is connected with the inner wall of the first cover main body.
Optionally, the water conservancy diversion spare is duct formula oar cover, duct formula oar cover includes second cover main part and protection grid, the second cover main part forms the water conservancy diversion passageway, the one end of second cover main part is connected the grid of intaking, the other end with the protection grid is connected.
Optionally, the diameter of the second cover body decreases gradually along one end of the water inlet towards one end of the water outlet.
Optionally, the underwater propeller further comprises a propeller, a motor and a connecting shaft, the motor is arranged in the mounting seat, one end of the connecting shaft is connected with the motor, the other end of the connecting shaft faces towards the diversion piece and extends, and the propeller is arranged at one end, far away from the motor, of the connecting shaft and is located in the diversion channel.
Optionally, the external thread extends in the same direction as the rotation direction of the propeller.
According to the technical scheme, the water inlet grille of the underwater propeller is detachably connected with the flow guide piece, so that the detachable replacement of the flow guide piece is realized, different flow guide pieces are provided with different water outlet diameters and water outlet structures, and the water inlet grille can be connected with different flow guide pieces as required when the underwater propeller dives underwater, so that different thrust and efficiency are changed, and the effect of switching multiple thrusts of the propeller is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of an underwater propulsion unit of the present invention;
FIG. 2 is a schematic structural view of the underwater propeller of the present invention with the nozzle type propeller shroud as a flow guide;
FIG. 3 is a schematic structural view of the flow guide of the underwater propeller of the present invention as a ducted blade cover;
FIG. 4 is a front view of the underwater propulsion unit of the present invention;
FIG. 5 is a cross-sectional view of FIG. 4;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
fig. 7 is a sectional view of the water inlet grill of fig. 5 separated from the baffle member.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
10 | Mounting seat |
| 11 | |
20 | |
| 21 | |
211 | |
| 30 | |
301 | |
| 302 | |
3021 | |
| 303 | |
31 | Nozzle |
| 311 | First cover |
313 | |
| 315 | Fixed |
33 | Duct |
| 331 | Second cover |
333 | |
| 40 | |
50 | |
| 60 | Connecting shaft |
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an underwater propeller 1.
In the embodiment of the present invention, as shown in fig. 1 to 4, the underwater propeller 1 includes a mounting base 10, a water inlet grille 20, and a flow guide 30; the mounting socket 10 has a mounting end 11; the water inlet grille 20 is annular, one end of the water inlet grille 20 is installed at the installation end 11, and the other opposite end is provided with an installation part 21; the flow guide member 30 has a flow guide passage 301, and a water inlet 302 and a water outlet 303 at both ends of the flow guide passage 301, and the water inlet 302 of the flow guide member 30 is detachably connected to the mounting portion 21.
The shape of the mounting seat 10 can be cylindrical, square, etc., in an embodiment of the present application, the shape of the mounting seat 10 is cylindrical, the cylindrical mounting seat 10 is convenient to be connected with the water inlet grille 20, and the mounting seat can be mounted only by aligning the mounting end 11 of the mounting seat 10 with the water inlet grille 20 without adjusting the angle of the water inlet grille 20. The mounting end 11 and the water inlet grille 20 can be fixedly connected or detachably connected, and the detachable connection mode can be threaded connection, screw connection and the like. The mounting seat 10 is used for mounting the driving assembly, and the driving assembly is arranged in the mounting seat 10, so that the driving assembly is protected and is prevented from contacting water.
The connection mode of the installation part 21 and the flow guide piece 30 is detachable connection, and the detachable connection mode can be threaded connection, pin connection, plug-in fit, buckle connection and the like. When the connected mode is pin connection, all be provided with the through-hole on installation department 21 of grid 20 and water conservancy diversion spare 30, pass two through-holes through the bolt in order to reach the effect of combining grid 20 and water conservancy diversion spare 30, pull out the bolt and can accomplish the dismantlement during the dismantlement. When the connection mode is the insertion fit, the end part of the water inlet 302 of the diversion part 30 is provided with the hooks, the installation part 21 is provided with the limiting grooves, the number of the hooks and the limiting grooves can be distributed at intervals, the hooks and the limiting grooves are inserted and matched to achieve the effect that the water inlet grille 20 is combined with the diversion part 30, and the hooks are pushed out in the opposite direction during the disassembly to finish the disassembly. When the connection mode is snap fit, the end of the water inlet 302 of the flow guide member 30 is provided with a snap, the mounting portion 21 is provided with a limiting hole, and the snap is in snap fit with the limiting hole to achieve the effect of combining the water inlet grille 20 and the flow guide member 30.
According to the technical scheme, the water inlet grille 20 of the underwater propeller 1 is detachably connected with the flow guide piece 30, so that the flow guide piece 30 can be detachably replaced, different flow guide pieces 30 are provided with different diameters of the water outlet 303 and water outlet structures, and a user is connected with different flow guide pieces 30 through the water inlet grille 20 when diving underwater, so that different thrust and efficiency are changed, and the effect of switching multiple thrusts of the propeller is achieved.
In an embodiment of the present invention, as shown in fig. 5 and 6, the outer periphery of the mounting portion 21 is provided with an external thread 211, the inner wall of the flow guide 30 near the water inlet 302 is provided with an internal thread 3021, and the water inlet grille 20 is in threaded connection with the flow guide 30.
The water inlet grille 20 is in threaded connection with the flow guide part 30, and when the threads are screwed down, a large axial force can be generated, so that the water inlet grille 20 is tightly connected with the flow guide part 30, and water is prevented from flowing into the propeller from a gap between the water inlet grille 20 and the flow guide part 30. The thread connection can conveniently realize self-locking, and a user can finish the connection of the external thread 211 of the water inlet grille 20 and the internal thread 3021 of the flow guide piece 30 only by aligning and screwing the two threads, thereby simplifying the connection steps and reducing the connection time. The external dimension of the threaded connection is small, the space occupied by the threads on the water inlet grille 20 and the flow guide piece 30 is reduced as much as possible, the structure is simplified, other components can be conveniently arranged on the water inlet grille and the flow guide piece, and the utilization rate is improved. Further, the screw connection is simple to manufacture and can maintain a high accuracy.
In an embodiment of the present invention, as shown in fig. 1 to 7, the number of the flow guiding members 30 is at least two, the flow guiding members 30 are nozzle type blade covers 31, and the diameters of the water outlets 303 of the at least two nozzle type blade covers 31 are different.
The diameter of the water outlet 303 is changed because the flow rate of the water in the flow guide member 30 is unchanged, the flow velocity of the water is unchanged, and the thrust of the water is changed accordingly. When the nozzle type paddle cover 31 with a small diameter is replaced and the diameter of the water outlet 303 is reduced, the flow speed during water outlet is increased, and the thrust of water flow is increased. When the nozzle type paddle cover 31 with a large opening diameter is replaced, the diameter of the water outlet 303 is increased, the flow speed during water outlet is reduced, and the thrust of water flow is reduced. Further, the range of the diameter of the water inlet 302/the diameter of the water outlet 303 of the flow guide member 30 is as follows: 1.09 ~ 1.20, the operator can carry out the change of water conservancy diversion piece 30 according to the diameter scope to reach required thrust.
Further, the flow guide 30 is divided into a nozzle type blade cover 31 and a ducted type blade cover 33. The nozzle type paddle cover 31 has the characteristics of high thrust and strong power, has a straightening effect on water flow passing through the paddle cover, and is suitable for being used when a user needs to accelerate a propeller; the ducted type paddle cover 33 has the characteristics of water flow protection, low energy consumption and high efficiency, has no straightening effect on water flow passing through the paddle cover, and is suitable for being used when a user needs the propeller to run at the uniform speed. By connecting different flow guide members 30 with the mounting portion 21 of the water inlet grille 20, proper water flow thrust can be sprayed out of the propeller in a proper scene, and the requirement change of a user is completed.
In an embodiment of the present invention, as shown in fig. 2, 4 to 7, the nozzle type blade cover 31 includes a first cover main body 311 and a guide vane 313, the first cover main body 311 forms the guide passage 301, and the guide vane 313 is connected to an inner wall of the guide passage 301 and extends axially along the guide passage 301.
The guide vane 313 is fixedly connected to the inner wall of the guide passage 301, and is disposed along the axial extending direction of the guide passage 301, and has a certain inclination angle. With such arrangement, the water flow accelerated by the propeller 40 is rotated after passing through the guide vanes 313, and the guide vanes 313 guide the water flow as straight as possible, converge the water flow and spray the water flow out along the water outlet 303, so that the thrust of the water flow is improved, and the power of the water flow is maintained.
In an embodiment of the present invention, as shown in fig. 2, 4 to 7, the diameter of the first cover main body 311 gradually decreases along the direction from the middle thereof to the water outlet 303.
The diameter of the first cover main body 311 is gradually reduced from the middle part to the water outlet 303, so that the water flow accelerated by the propeller 40 is gathered, the flow speed of the water flow is kept, the pressure of the water flow at the water outlet 303 is increased by reducing the diameter of the water outlet 303, the thrust of the water flow is improved under the condition of consuming the same power, the loss of the water flow power is reduced, and the utilization rate is improved.
In an embodiment of the present invention, as shown in fig. 5 and 7, the nozzle type paddle housing 31 further includes a fixed shaft 315, the fixed shaft 315 is disposed along an axial extension direction of the first housing main body 311, one end of the guide vane 313 is connected to an outer wall of the fixed shaft 315, and the other end is connected to an inner wall of the first housing main body 311.
The stationary shaft 315 serves to connect the plurality of guide vanes 313, and the nozzle paddle housing 31 includes the plurality of guide vanes 313, and the plurality of guide vanes 313 are disposed around the stationary shaft 315 and connected between an outer wall of the stationary shaft 315 and an inner wall of the first housing main body 311 at intervals. Further, an accommodating groove is formed in one end, close to the water inlet 302, of the fixing shaft 315, the accommodating groove is used for being wrapped at one end, close to the propeller 40, of the connecting shaft 60, the fixing shaft 315 is used for protecting the end portion of the connecting shaft 60, abrasion of the connecting shaft 60 due to washing of water flow is prevented, and the service life of the connecting shaft 60 is prolonged.
In an embodiment of the present invention, as shown in fig. 3, the flow guide member 30 is a ducted shroud 33, the ducted shroud 33 includes a second shroud body 331 and a protective grill 333, the second shroud body 331 forms the flow guide passage 301, and one end of the second shroud body 331 is connected to the water inlet grill 20, and the other end is connected to the protective grill 333.
The propeller generates driving force through the rotation of the propeller 40 in water, in order to transmit the power of the propeller 40 to the water outlet 303 of the flow guide piece 30, a certain distance is kept between the propeller 40 and the water outlet 303 through arranging the duct, so that enough space is formed between the propeller 40 and the water outlet 303 for filling water, the water is released together, and the propelling efficiency of water flow of the water outlet 303 is further improved.
The protective grill 333 is connected to one side of the water outlet 303, and prevents garbage and organisms in water from entering the diversion member 30 through the water outlet 303, thereby protecting the inside of the second cover main body 331. On the other hand, the ducted type paddle cover 33 plays a role in protecting water flow, protects the accelerated water flow from being subjected to deceleration interference, and ensures that the water flow is sprayed out from the water outlet 303.
In an embodiment of the present invention, as shown in fig. 3, the diameter of the second cover main body 331 is gradually reduced toward the end of the water outlet 303 along the end near the water inlet 302.
The diameter of second cover main part 331 reduces, helps the rivers after screw 40 accelerates to assemble, keeps the velocity of flow to through the diameter that reduces delivery port 303, increase the pressure of delivery port 303 rivers, the thrust that the condition that is favorable to the consumption same power at improves rivers, reduces the loss of rivers power, increases the utilization ratio.
In an embodiment of the present invention, as shown in fig. 5 and 7, the underwater propulsion device 1 further includes a propeller 40, a motor 50, and a connecting shaft 60, the motor 50 is disposed in the mounting seat 10, one end of the connecting shaft 60 is connected to the motor 50, and the other end extends toward the diversion element 30, the propeller 40 is mounted at one end of the connecting shaft 60 far away from the motor 50 and is located in the diversion channel 301.
The motor 50 drives the connecting shaft 60 to rotate, the connecting shaft 60 is connected with the propeller 40, and the connecting shaft 60 rotates to drive the propeller 40 to rotate, so that water flow is driven to accelerate, and the effect of accelerating the water flow is achieved. Under the effect of screw 40, discharge water and produce the driving force through delivery port 303, and then improved the direction stability of underwater propulsor 1 when using to and the kinetic energy utilization ratio, promoted user experience effectively.
In an embodiment of the present invention, the external thread 211 extends in the same direction as the rotation direction of the propeller 40.
The external thread 211 extends in the same direction as the rotation direction of the propeller 40 in order to prevent the nozzle from being released. The two directions are consistent, so that the effect is that: the propeller 40 drives the water flow, which in turn drives the diversion element 30 to rotate in one direction, and the rotation direction is set to be the screwing direction, so that the nozzle always receives screwing force in the operation process of the propeller 40, and the nozzle is prevented from loosening.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An underwater thruster, characterized in that the underwater thruster comprises:
a mounting base having a mounting end;
the water inlet grating is annular, one end of the water inlet grating is installed at the installation end, and the other opposite end of the water inlet grating is provided with an installation part; and
the water conservancy diversion spare, the water conservancy diversion spare has the water conservancy diversion passageway and is located the water inlet and the delivery port at water conservancy diversion passageway both ends, the water inlet of water conservancy diversion spare with the connection can be dismantled to the installation department.
2. An underwater propulsor as claimed in claim 1, wherein the outer periphery of the mounting portion is provided with external threads, the inner wall of the flow guide member on the side close to the water inlet is provided with internal threads, and the water inlet grille is in threaded connection with the flow guide member.
3. The underwater propulsion device of claim 1, wherein the number of the flow guide members is at least two, the flow guide members are nozzle type blade covers, and the diameters of water outlets of at least two of the nozzle type blade covers are different.
4. The underwater propeller of claim 3, wherein the nozzle type blade cover includes a first cover main body forming the flow guide passage, and a guide vane connected to an inner wall of the flow guide passage and disposed along an axial extension of the flow guide passage.
5. An underwater propeller as claimed in claim 4, wherein the diameter of the first cover body is gradually reduced in a direction from a middle portion thereof to the water outlet.
6. The underwater propeller of claim 4, wherein the nozzle type blade cover further includes a fixed shaft disposed along an axial extension direction of the first cover main body, and one end of the guide vane is connected to an outer wall of the fixed shaft and the other end is connected to an inner wall of the first cover main body.
7. The underwater propulsor of claim 1 wherein the flow guide is a ducted shroud, the ducted shroud including a second shroud body and a protective grate, the second shroud body forming the flow guide channel, the second shroud body having one end connected to the water intake grate and the other end connected to the protective grate.
8. An underwater propulsion device as claimed in claim 7 wherein the diameter of the second shroud body tapers along one end of the water inlet towards one end of the water outlet.
9. The underwater thruster of claim 2, further comprising a propeller, a motor, and a connecting shaft, wherein the motor is disposed in the mounting seat, one end of the connecting shaft is connected to the motor, and the other end of the connecting shaft extends toward the diversion member, and the propeller is mounted at one end of the connecting shaft, which is far away from the motor, and is located in the diversion channel.
10. An underwater propulsion device as in claim 9 wherein the external threads extend in the same direction as the rotation of the propeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123115701.4U CN216861786U (en) | 2021-12-10 | 2021-12-10 | Underwater propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123115701.4U CN216861786U (en) | 2021-12-10 | 2021-12-10 | Underwater propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216861786U true CN216861786U (en) | 2022-07-01 |
Family
ID=82146533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123115701.4U Active CN216861786U (en) | 2021-12-10 | 2021-12-10 | Underwater propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216861786U (en) |
-
2021
- 2021-12-10 CN CN202123115701.4U patent/CN216861786U/en active Active
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