CN210912843U - Electric water-jet propeller - Google Patents
Electric water-jet propeller Download PDFInfo
- Publication number
- CN210912843U CN210912843U CN201921645490.5U CN201921645490U CN210912843U CN 210912843 U CN210912843 U CN 210912843U CN 201921645490 U CN201921645490 U CN 201921645490U CN 210912843 U CN210912843 U CN 210912843U
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- propeller
- motor
- shell
- bearing
- electric water
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Abstract
The utility model discloses an electric water-jet propeller, belonging to the technical field of propellers, comprising a motor and a propelling mechanism connected with the motor, wherein the motor is provided with a motor shell and a rotating shaft penetrating through the motor shell; the propelling mechanism is provided with a propeller shell connected with the motor shell, a propeller shaft penetrating through the propeller shell, a propeller nozzle fixedly connected with the propeller shell and a propeller positioned in the propeller shell and sleeved on the propeller shaft; one end of the propeller shaft sleeve, which is provided with the propeller, is positioned in the propeller nozzle, and the other end of the propeller shaft sleeve is connected with the rotating shaft through the internal spline coupler. The utility model discloses a setting motor and propeller integration, reducing unnecessary connecting cable and optimizing power transmission, compact structure installs completely and need not the independent design water cooling circuit under water, and the radiating effect is good to reach the purpose that improves work efficiency.
Description
Technical Field
The utility model relates to a propeller especially relates to an electronic water jet propulsion ware, belongs to propeller technical field.
Background
The water jet propeller is a propeller in which a jet part of a propulsion mechanism is immersed in water and a reaction force generated by the jet water flow is used to drive a ship to move forward. The ship is composed of a water pump, a pipeline, a suction port, a nozzle and the like, and can change the jet direction of water flow through the nozzle to realize the operation of the ship, and the basic principle of water jet propulsion is as follows: the ship body can be subjected to the reaction force of the water flow according to the action force and the reaction force, and the force is the thrust.
Traditional water jet propulsion ware adopts fuel engine to provide power more, therefore power unit must be outside water, has restricted the installation condition, very big inconvenience, and the volume is great moreover, motor and propeller separation, the circuit is complicated, causes the installation to be restricted, consequently needs the mechanism of a motor and propeller integration, can install under water completely, and the heat dissipation is very fast, reduces the circuit simultaneously, optimizes power transmission.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing an electronic water jet propulsion ware, through setting up motor and propeller integration, reduce unnecessary connecting cable and optimize power transmission, compact structure installs completely under water need not the independent design water cooling circuit, and the radiating effect is good to reach the purpose that improves work efficiency.
The purpose of the utility model can be achieved by adopting the following technical scheme:
an electric water-jet propeller comprises a motor and a propelling mechanism connected with the motor, wherein the motor is provided with a motor shell and a rotating shaft penetrating through the motor shell; the propelling mechanism is provided with a propeller shell connected with the motor shell, a propeller shaft penetrating through the propeller shell, a propeller nozzle fixedly connected with the propeller shell and a propeller positioned in the propeller shell and sleeved on the propeller shaft; one end of the propeller shaft sleeve, which is provided with the propeller, is positioned in the propeller nozzle, and the other end of the propeller shaft sleeve is connected with the rotating shaft through an internal spline coupler.
Preferably, the motor is an underwater sealing integrated motor, the motor shell is an aluminum motor shell, and a motor tail cover and a motor front end cover are respectively installed at two ends of the motor.
Preferably, the pivot with the one end of propeller hub connection runs through the motor front end housing, the motor front end housing is equipped with the motor seal chamber, the pivot runs through the motor seal chamber, be equipped with the oil blanket behind the motor frame and the preceding oil blanket of motor frame in the motor seal chamber respectively, the pivot runs through in proper order the oil blanket behind the motor frame with the oil blanket before the motor frame, the oil blanket behind the motor frame with form between the oil blanket before the motor frame and be used for waterproof motor seal group.
Preferably, a tapered roller bearing is sleeved at one end of the rotating shaft close to the motor tail cover, and the tapered roller bearing is fixed on the motor tail cover; the motor front cover bearing is sleeved at one end, close to the motor front end cover, of the rotating shaft, and the motor front cover bearing is fixed on the motor front end cover.
Preferably, a stator sleeved on the rotating shaft is further arranged in the motor.
Preferably, the pivot is the magnet steel power pivot that is used for producing radial rotation and output power, the stator is for being used for providing the change magnetic field and drive the rotatory wire winding magnet steel stator of pivot.
Preferably, the front end of screw is equipped with the cover and establishes being used for of propeller shaft is fixed propeller oil blanket bush and the cover of screw establish propeller skeleton oil blanket on propeller oil blanket bush, propeller oil blanket bush with propeller oil blanket bush forms the sealed group of screw.
Preferably, be equipped with oar head bearing cabin in the propeller shower nozzle, fix oar head sealed bearing housing in the oar head bearing cabin and fix in the oar head sealed bearing housing and the cover is established the epaxial oar head bearing of propeller, the one end of propeller shaft is located in the oar head bearing cabin, and this end still is equipped with and is used for the fastening the fixed screw of loosening of oar head that the propeller prevented it to drop.
Preferably, the propeller framework oil seal and the propeller head bearing are fixed in the propeller head sealing bearing sleeve in parallel, and the propeller head sealing bearing sleeve is used for fixing the propeller framework oil seal and the propeller head bearing and connecting the propeller shaft and the propeller nozzle.
Preferably, the upper surface of the propeller shell is provided with a water flow arc line, and the lower surface of the propeller shell is provided with a water inlet communicated with the propeller.
The utility model has the advantages of:
1. the utility model provides an electronic water jet propulsion ware compares with traditional fuel power propeller, the utility model discloses a motor is the integrative motor of sealing under water, and the casing is aluminium matter casing, and motor and propeller equipment are in the same place, can the direct mount outside small-size boats and ships, do not have the waterproof problem of considering the installation position, easily install.
2. The utility model provides an electronic water jet propulsion integrates alternating current motor and the controller and the motor of its work of drive as an organic whole, sends power to the electronic water jet propulsion who is connected rather than through the shaft coupling, reduces unnecessary connecting cable and power transmission, compact structure.
3. The utility model provides an electronic water jet propeller, the during operation is whole to be soaked under water, need not independent design water-cooling circuit, and motor and controller all have good radiating effect.
4. The utility model provides an electronic water jet propulsion device benefits from good radiating effect and ultrashort transmission distance, and its work efficiency is higher.
5. The utility model provides an electronic water jet propulsion provides reverse thrust under water, and traffic and the sports equipment operation on water such as small-size boats and ships, motorboat, surfboard can be driven to this thrust.
Drawings
Fig. 1 is a schematic view of the overall structure of a preferred embodiment of an electric water jet according to the present invention;
fig. 2 is a front sectional view of a preferred embodiment of an electric water jet according to the present invention;
fig. 3 is an exploded view of the overall structure of a preferred embodiment of the electric water jet according to the present invention;
in the figure: 1-motor tail cover, 2-tapered roller bearing, 3-controller circuit board, 4-stator, 5-motor shell, 6-rotating shaft, 7-motor front cover bearing, 8-motor framework rear oil seal, 9-motor framework front oil seal, 10-motor front end cover, 11-internal spline coupler, 12-propeller shaft, 13-propeller shell, 14-propeller, 15-propeller oil seal bushing, 16-propeller framework oil seal, 17-propeller head bearing, 18-propeller head seal bearing sleeve, 19-propeller nozzle, 20-propeller head fixing and loosening screw, 21-motor, 22-propulsion mechanism, 23-motor seal chamber and 24-propeller head bearing cabin.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-3, the electric water jet provided by this embodiment includes a motor 21 and a propulsion mechanism 22 connected to the motor 21, the motor 21 is an underwater sealing integrated motor, the motor housing 5 is an aluminum motor housing, two ends of the motor 21 are respectively provided with a motor tail cover 1 for fixing a motor rotor and waterproof sealing and a motor front cover 10 for fixing the motor rotor, waterproof sealing and connecting a pump body assembly of the electric water jet, the motor 21 and the propeller 22 are assembled together, can be directly arranged outside the small-sized ship, has no waterproof problem considering the installation position compared with the traditional fuel power propeller, is easy to install, and the electric water-jet propeller provided by the utility model, provides reverse thrust under water, and the thrust can drive small ships, motorboats, surfboards and other water traffic and sports equipment to operate.
Further, in the present embodiment, as shown in fig. 1 to fig. 3, the motor 21 is provided with a motor housing 5 and a magnetic steel power rotating shaft 6 penetrating through the motor housing 5 for generating radial rotation and outputting power; the propulsion mechanism 22 is provided with a propeller shell 13 (namely a pump body of the electric water jet propeller) connected with the motor shell 5, a propeller shaft 12 penetrating through the propeller shell 13 and used for transmitting impeller rotation power and axial thrust, a propeller nozzle 19 fixedly connected with the propeller shell 13 and used for water flow reverse pressurization, and a propeller 14 which is positioned in the propeller shell 13 and sleeved on the propeller shaft 12 and used for converting radial rotation into axial thrust; one end of the propeller shaft 12, on which the propeller 14 is sleeved, is positioned in the propeller nozzle 19, and the other end of the propeller shaft is connected with the rotating shaft 6 through the internal spline coupler 11 for transmitting radial rotation and axial thrust.
Further, in this embodiment, as shown in fig. 1 to fig. 3, one end of the rotating shaft 6 connected to the propeller shaft 12 penetrates through the motor front end cover 10, the motor front end cover 10 is provided with a motor sealing chamber 23, the rotating shaft 6 penetrates through the motor sealing chamber 23, a motor framework rear oil seal 8 and a motor framework front oil seal 9 which are used for forming a sealed cabin on the front end cover are respectively arranged in the motor sealing chamber 23, the rotating shaft 6 sequentially penetrates through the motor framework rear oil seal 8 and the motor framework front oil seal 9, and a motor sealing group for preventing water is formed between the motor framework rear oil seal 8 and the motor framework front oil seal 9.
Further, in the present embodiment, as shown in fig. 1 to fig. 3, one end of the rotating shaft 6 close to the motor tail cover 1 is sleeved with a tapered roller bearing 2 for rotor rotation and transmission of axial thrust, and the tapered roller bearing 2 is fixed on the motor tail cover 1; one end of the rotating shaft 6 close to the motor front end cover 10 is sleeved with a motor front cover bearing 7 used for rotating the rotor, and the motor front cover bearing 7 is fixed on the motor front end cover 10.
Further, in this embodiment, as shown in fig. 1-3, a controller circuit board 3 for driving and controlling the rotation of the ac motor and a wound magnetic steel stator 4 sleeved on the rotating shaft 6 for providing a changing magnetic field to drive the rotor to rotate are further disposed in the motor 21, the controller circuit board 3 of this embodiment is preferably a PLC controller or a 51-chip microcomputer for controlling the start and stop of the motor and collecting data of each component of the propeller, the ac motor, the controller for driving the ac motor to operate and the motor are integrated into a whole, and power is transmitted to the electric water jet propeller connected to the ac motor through a coupler, so as to reduce redundant connecting cables and power transmission, and the structure is compact, and the whole is immersed under water during operation without separately designing a water cooling circuit, the motor and the controller both have good heat dissipation effects, and benefit from good heat dissipation effects and ultra-short transmission distance, the working efficiency is higher.
Further, in the present embodiment, as shown in fig. 1 to fig. 3, a propeller oil seal bushing 15 for fixing the propeller 14 and a propeller framework oil seal 16 for sealing the propeller head bearing compartment are disposed on the propeller oil seal bushing 15, which are disposed on the propeller shaft 12, at the front end of the propeller 14, and the propeller oil seal bushing 15 form a propeller seal set.
Further, in the present embodiment, as shown in fig. 1-3, a head bearing housing 24 for fixing a bearing and a skeleton oil seal and connecting the nozzle, a head sealing bearing housing 18 fixed in the head bearing housing 24, and a head bearing 17 fixed in the head sealing bearing housing 18 and sleeved on the propeller shaft 12 for keeping the propeller rotating are provided in the propeller nozzle 19, one end of the propeller shaft 12 is located in the head bearing housing 24, and the end is further provided with a head fixing and loosening screw 20 for fastening the propeller 14 to prevent the propeller from falling off.
Further, in the present embodiment, as shown in fig. 1 to 3, the propeller framework oil seal 16 is fixed in the propeller head sealing bearing sleeve 18 in parallel with the propeller head bearing 17, and the propeller head sealing bearing sleeve 18 is used for fixing the propeller framework oil seal 16 and the propeller head bearing 17 and connecting the propeller shaft 12 and the propeller nozzle 19.
Further, in this embodiment, as shown in fig. 1-3, the propeller housing 13 has an upper surface provided with a water flow arc line and a lower surface provided with a water inlet communicated with the propeller 14, and the motor is started to drive the propeller 14 to rotate, as shown by arrows in fig. 1 and 2, water enters from the water inlet and is ejected from the propeller nozzle through the propeller blades.
As shown in fig. 1 to 3, the electric water jet provided in the present embodiment operates as follows:
the propeller is mainly composed of two parts, namely an underwater sealing integrated motor and an electric water-jet propeller. The sealed integrated motor integrates the existing alternating current motor and a controller for driving the alternating current motor to work into a whole through an aluminum shell, and transmits power to the electric water-jet propeller connected with the alternating current motor through a coupler; the propeller provides reverse thrust under water, and the thrust can drive small ships, motorboats, surfboards and other water traffic and sports equipment to operate.
In summary, compared with the conventional fuel powered propeller, the electric water jet propeller provided by the embodiment has the advantages that the underwater sealing integrated motor and the propeller are assembled together, the alternating current motor and the controller for driving the alternating current motor to work are integrated into a whole, and then the power is transmitted to the electric water jet propeller connected with the alternating current motor through the coupler, so that redundant connecting cables are reduced, power transmission is optimized, the structure is compact, the electric water jet propeller can be wholly immersed under water during working, a water cooling loop is not required to be independently designed, the motor and the controller both have good heat dissipation effects, and the electric water jet propeller can benefit from good heat dissipation effects and ultra-short transmission distance, has higher working efficiency, and can drive small ships, motorboats, surfboards and other waterborne traffic and motion equipment to.
The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.
Claims (10)
1. An electric water-jet propeller is characterized in that: the device comprises a motor (21) and a propelling mechanism (22) connected with the motor (21), wherein the motor (21) is provided with a motor shell (5) and a rotating shaft (6) penetrating through the motor shell (5); the propulsion mechanism (22) is provided with a propeller shell (13) connected with the motor shell (5), a propeller shaft (12) penetrating through the propeller shell (13), a propeller nozzle (19) fixedly connected with the propeller shell (13) and a propeller (14) positioned in the propeller shell (13) and sleeved on the propeller shaft (12); the propeller shaft (12) is sleeved with one end of the propeller (14) is positioned in the propeller nozzle (19), and the other end of the propeller shaft is connected with the rotating shaft (6) through an internal spline coupler (11).
2. An electric water jet as claimed in claim 1, wherein: the underwater sealing integrated motor is characterized in that the motor (21) is an underwater sealing integrated motor, the motor shell (5) is an aluminum motor shell, and a motor tail cover (1) and a motor front end cover (10) are respectively installed at two ends of the motor (21).
3. An electric water jet as claimed in claim 2, wherein: pivot (6) with the one end that propeller shaft (12) is connected runs through motor front end housing (10), motor front end housing (10) are equipped with motor seal chamber (23), pivot (6) run through motor seal chamber (23), be equipped with respectively in motor seal chamber (23) oil blanket (9) before oil blanket (8) and the motor skeleton behind the motor skeleton, pivot (6) run through in proper order oil blanket (8) behind the motor skeleton with oil blanket (9) before the motor skeleton, oil blanket (8) behind the motor skeleton with form between the oil blanket (9) before the motor skeleton and be used for waterproof motor seal group.
4. An electric water jet as claimed in claim 2, wherein: one end, close to the motor tail cover (1), of the rotating shaft (6) is sleeved with a tapered roller bearing (2), and the tapered roller bearing (2) is fixed on the motor tail cover (1); the motor front cover bearing structure is characterized in that a motor front cover bearing (7) is sleeved at one end, close to the motor front cover (10), of the rotating shaft (6), and the motor front cover bearing (7) is fixed on the motor front cover (10).
5. An electric water jet as claimed in claim 1, wherein: the motor (21) is also internally provided with a stator (4) sleeved on the rotating shaft (6).
6. An electric water jet as claimed in claim 5, wherein: the rotating shaft (6) is a magnetic steel power rotating shaft used for generating radial rotation and outputting power, and the stator (4) is a winding magnetic steel stator used for providing a variable magnetic field and driving the rotating shaft (6).
7. An electric water jet as claimed in claim 1, wherein: the front end of screw (14) is equipped with the cover and establishes being used for of propeller axle (12) is fixed screw oil blanket bush (15) and the cover of screw (14) are established propeller skeleton oil blanket (16) on screw oil blanket bush (15), screw oil blanket bush (15) with screw oil blanket bush (15) form screw sealed group.
8. An electric water jet propeller as defined in claim 7, wherein: be equipped with oar head bearing cabin (24), fix in propeller shower nozzle (19) oar head seal bearing housing (18) in oar head bearing cabin (24) and fix in oar head seal bearing housing (18) and the cover establish oar head bearing (17) on propeller shaft (12), the one end of propeller shaft (12) is located in oar head bearing cabin (24), and this end still is equipped with and is used for the fastening oar head that propeller (14) prevented its and drops fixes loosening screw (20).
9. An electric water jet propeller as defined in claim 8, wherein: the propeller framework oil seal (16) and the propeller head bearing (17) are fixed in the propeller head sealing bearing sleeve (18) in parallel, and the propeller head sealing bearing sleeve (18) is used for fixing the propeller framework oil seal (16) and the propeller head bearing (17) and connecting the propeller shaft (12) and the propeller nozzle (19).
10. An electric water jet as claimed in claim 1, wherein: the upper surface of the propeller shell (13) is provided with a water flow arc line, and the lower surface of the propeller shell is provided with a water inlet communicated with the propeller (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921645490.5U CN210912843U (en) | 2019-09-29 | 2019-09-29 | Electric water-jet propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921645490.5U CN210912843U (en) | 2019-09-29 | 2019-09-29 | Electric water-jet propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210912843U true CN210912843U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921645490.5U Expired - Fee Related CN210912843U (en) | 2019-09-29 | 2019-09-29 | Electric water-jet propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210912843U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539868A (en) * | 2019-09-29 | 2019-12-06 | 江苏杭源机电设备有限公司 | Electric water-jet propeller |
| CN112046719A (en) * | 2020-09-16 | 2020-12-08 | 浙江尤奈特电机有限公司 | Propeller for water |
-
2019
- 2019-09-29 CN CN201921645490.5U patent/CN210912843U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539868A (en) * | 2019-09-29 | 2019-12-06 | 江苏杭源机电设备有限公司 | Electric water-jet propeller |
| CN112046719A (en) * | 2020-09-16 | 2020-12-08 | 浙江尤奈特电机有限公司 | Propeller for water |
| CN112046719B (en) * | 2020-09-16 | 2024-05-31 | 浙江优奈特电机有限公司 | Propeller for use in water |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 Termination date: 20200929 |