CN211918967U - Power assembly of electric jet pump of double-cooling surfing pedal - Google Patents
Power assembly of electric jet pump of double-cooling surfing pedal Download PDFInfo
- Publication number
- CN211918967U CN211918967U CN202020161564.4U CN202020161564U CN211918967U CN 211918967 U CN211918967 U CN 211918967U CN 202020161564 U CN202020161564 U CN 202020161564U CN 211918967 U CN211918967 U CN 211918967U
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- motor
- shell
- end cover
- jet pump
- cooling
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Abstract
The utility model discloses a two cooling surfing pedal electric jet pump power assemblies, including control mechanism, motor system mechanism and jet pump mechanism, the both ends of motor system mechanism are located respectively to control mechanism and jet pump mechanism, motor system mechanism includes motor housing, motor support, motor end cover, encoder end cover, rotor bearing one, rotor bearing two, motor shaft, stator axle sleeve, stator coil, rotor magnetic track and response magnetic ring. The utility model belongs to the technical field of the surfboard, specifically provide a bilateral bearing is connected, the rotor is rotatory firm, effectively improve the motor groove fullness rate, through inside totally enclosed formula oil circulative cooling and outside water-cooled dual cooling, quick control motor temperature and safe and reliable nothing foreign object get into inside, long service life, the fault rate is low, pollution-free two cooling surfing footboard electric jet pump power assemblies of motor.
Description
Technical Field
The utility model belongs to the technical field of the surfboard, specifically indicate a two cooling surfing footboard electric jet pump power assemblies.
Background
Surfing is popular among people because of its thrilling stimulation and effective physical exercise. The ordinary surfboard can be used only by means of the thrust of the wind waves, and when the wind waves are absent or are small, the surfboard loses the due effect. In order to realize surfing in no stormy waves or in stormy waves, the power surfboard is produced at the same time, the power surfboard is made of novel composite materials, the streamline ship body is attractive and fashionable, the ship body is also provided with a control handle, an electronic ignition switch button and an accelerator controller, and a two-stroke engine and a four-stroke engine are installed inside the ship body as power sources.
The power surfboard in the prior art adopts an engine as power, can surf on the sea and also can run on a still water surface, and the power device of the power surfboard adopts gasoline fuel, so that the power device is easy to pollute the environment and water source, is easy to generate waste gas and waste oil and has large noise when in use; the engine of the existing surfing pedal has high failure rate, complex maintenance, overhigh maintenance cost, poor corrosion resistance, easy oxidation and corrosion; the existing power device has large volume, and the load of the power device is large when the surfing pedal is used for surfing, thereby causing troubles to users; an electric jet pump assembly in the existing power device is a propeller pump water spray direct cooling framework, a rotor is unilaterally and directly connected, and the noise is high; the existing propeller pump is formed by winding a plurality of enameled wires in parallel, and the full rate of a motor groove is low; the direct cooling structure ensures that sand and foreign matters are easy to enter into the power device and the motor, and the service life is short; the motor maintenance rate is high, the electric control system fault rate is high, and the motor and the electric control system maintenance degree of difficulty is high.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned current difficult problem, the utility model provides a bilateral bearing is connected, the rotor is rotatory firm, effectively improve the motor groove fullness rate, through inside totally enclosed formula oil circulative cooling and outside water cooling dual cooling, quick control motor temperature and safe and reliable nothing foreign object get into, long service life, fault rate are low, pollution-free two cooling surfing footboard electric jet pump power assemblies.
The utility model adopts the following technical scheme: the utility model relates to a two cooling surfing pedal electric jet pump power assemblies, including control mechanism, motor system mechanism and jet pump mechanism, control mechanism and jet pump mechanism are located the both ends of motor system mechanism respectively, motor system mechanism includes motor housing, motor support, motor end cover, encoder end cover, rotor bearing one, rotor bearing two, motor shaft, stator axle sleeve, stator coil, rotor magnetic track and response magnetic ring, the motor housing is hollow columnar structure, motor support and encoder end cover are located motor housing both ends, motor support isolates motor housing inside with the water environment, encoder end cover keeps apart motor housing inside with control mechanism, motor end cover is located in the motor housing and is located on the motor support, motor shaft one end rotatable locate encoder end cover lateral wall and the other end runs through motor end cover and motor support in proper order outside motor housing, the stator shaft sleeve is sleeved on the outer wall of the motor shaft and clamped between the motor end cover and the encoder end cover, the rotor bearing is sleeved outside the stator shaft sleeve and arranged in the motor end cover, the rotor bearing is sleeved on the stator shaft sleeve, the motor shaft rotation is more stable and more reliable than single-side direct connection in a mode of bearing connection between two pairs of motor shaft sides of the rotor bearing I and the rotor bearing I, the stator coil is fixedly arranged on the stator shaft sleeve and uniformly distributed along the circumferential outer wall of the stator shaft sleeve, the stator coil is arranged between the rotor bearing I and the rotor bearing II, the stator coil is arranged between the stator shaft sleeve and the rotor magnetic track, the rotor magnetic track is sleeved outside the motor end cover and the rotor bearing II, the induction magnetic ring is arranged on the encoder end cover and sleeved on the motor shaft, and the stator coil generates an excitation magnetic field to, the rotor magnetic track rotates the motor end cover to drive the motor shaft to stably rotate between the rotor bearing I and the rotor bearing II, and the controller encoder induces the rotating speed of the induction magnetic ring and the motor shaft.
Further, control mechanism includes controller shell, controller end cover and controller, the controller shell is hollow columnar structure and one end rigid coupling locates on the motor housing, the controller end cover is located and is kept away from motor system mechanism one end on the controller shell, and controller shell, controller end cover and encoder end cover enclose the fender inside the controller shell and become sealed cavity, the controller is located inside the controller shell.
Further, the jet pump mechanism comprises a propeller shell, a propeller shaft, a propeller, a wear-resistant ring, a spray pipe, a flow guide body and a rectifying body, the propeller shell is sleeved at one end of the motor shell far away from the controller shell, the spray pipe is arranged at one end of the propeller shell far away from the motor system mechanism and is communicated with the propeller shell, the flow guide body is arranged on the inner wall of the propeller shell, one end of the propeller shaft is penetrated through the central part of the flow guide body, the other end of the propeller shaft is sleeved at the outer side of the tail end of the motor shaft, the propellers are uniformly distributed along the circumference outer walls of the propeller shaft and the motor shaft, the wear-resistant ring is arranged on the inner wall of the propeller shell and is arranged between the propeller and the propeller shell, the wear-resistant ring can effectively reduce the damage to the propeller shell when the propeller rotates at high speed, the internal symmetry of water conservancy diversion is equipped with the water conservancy diversion chamber, be equipped with the rectification chamber between rectification body and the spray tube, water conservancy diversion chamber and rectification chamber link up continuously, thereby the motor shaft drives the rotatory drive screw of propeller shaft and rotates, thereby screw pumping rivers from the motor support and screw between the screw shell get into the water conservancy diversion chamber of water conservancy diversion body and spray away after the diversion constraint in rectification chamber, the water conservancy diversion body has the guide effect to rivers, spray tube and rectification body have diversion constraint effect to the rivers flow direction for rivers produce the jet propulsion.
Furthermore, the rectifying body, the flow guiding body and the spray pipe are coaxially arranged, so that water flow injection is facilitated.
Furthermore, an end cover through hole I is formed in the side face of the motor end cover, an end cover through hole II is formed in the top face of the motor end cover, a tail straight hole and a tail inclined hole are formed in one side, close to the encoder end cover, of the stator shaft sleeve, when the motor rotates, the rotor generates a pumping effect on heat conduction oil in the motor shell, the heat conduction oil firstly passes through a space between the rotor magnetic track and the motor shell and then enters a space between the rotor magnetic track and the stator coil through the end cover through hole II while lubricating the interior of the motor, and finally flows out of the straight hole in the tail of the stator shaft sleeve to form a first cooling; the stator shaft sleeve is arranged in the motor shell, and the stator shaft sleeve is arranged in the motor shell. And the heat conduction oil with the lubricating effect is used for carrying out secondary protection on the rotor bearing I and the rotor bearing II, so that the service life of the motor is prolonged, and the failure rate is low.
Furthermore, the stator coil completes the winding through a single flat enameled wire, so that the slot fullness rate is high, and the motor efficiency is high.
Furthermore, the wear-resistant ring is made of 316L stainless steel, and is high in strength, wear-resistant and ageing-resistant.
Furthermore, four diversion trenches spirally arranged in the same direction are arranged on the inner wall of the motor shell, so that the conduction oil in the motor shell can fully flow, and the heat in the motor shell can be quickly taken away.
Further, be equipped with the encoder in the encoder end cover, the encoder respectively with controller and induction magnetic ring electric connection, the encoder obtains motor magnetic pole position and motor speed signal through the sense of touch of induction magnetic ring and motor shaft to compile, convert the signal form that can be used for communication, transmission and storage to data and send for the controller, realize the dual protection to the automatically controlled coding remote sensing of motor and magnetic force sense of touch.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the power assembly of the double-cooling surfing pedal electric jet pump has reasonable structural design, ensures that the rotation of the rotor is more stable and reliable than the single-side direct connection through the connection mode of the bearings at the two sides of the rotor, the stator coil finishes winding by using a single flat enameled wire, the full rate of the slot is high, the efficiency of the motor is high, the high-efficiency heat dissipation to the inside of the motor is finished by internal heat conduction oil circulation cooling and external water cooling, the temperature in the motor is effectively controlled, meanwhile, the heat conducting oil with lubricating property can protect the bearing for the second time, the service life is long, the failure rate is low, the control mechanism, the motor system mechanism and the injection pump mechanism are integrated, the mechanisms are ingeniously connected, the mechanism is light in design, the encoder obtains a motor magnetic pole position and a motor rotating speed signal through the touch of the induction magnetic ring and the motor shaft, and double protection of remote sensing of motor electric control codes and magnetic touch is achieved.
Drawings
Fig. 1 is a schematic structural view of a dual-cooling surfing pedal electric jet pump power assembly of the present invention;
fig. 2 is a schematic structural view of a motor system mechanism of a dual-cooling surfing pedal electric jet pump power assembly of the present invention;
fig. 3 is a schematic structural view of a jet pump mechanism of a power assembly of a dual-cooling surfing pedal electric jet pump of the present invention;
fig. 4 is a schematic view of a motor end cover of a power assembly of a dual-cooling surfing pedal electric jet pump of the present invention;
fig. 5 is a schematic view of a three-dimensional structure of a motor end cover of a power assembly of a double-cooling surfing pedal electric jet pump of the present invention;
fig. 6 is the utility model discloses a two cooling surfing pedal electric jet pump power assembly motor housing internal structure schematic diagrams.
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings: 1. the device comprises a control mechanism, 2, a motor system mechanism, 3, a spray pump mechanism, 4, a motor shell, 5, a motor support, 6, a motor end cover, 7, an encoder end cover, 8, a first rotor bearing, 9, a second rotor bearing, 10, a motor shaft, 11, a stator shaft sleeve, 12, a stator coil, 13, a rotor magnetic track, 14, an induction magnetic ring, 15, a controller shell, 16, a controller end cover, 17, a controller, 18, a propeller shell, 19, a propeller shaft, 20, a propeller, 21, a wear-resistant ring, 22, a spray pipe, 23, a flow guide body, 24, a rectifier body, 25, a first end cover through hole, 26, a second end cover through hole, 27, a flow guide groove, 28, an encoder, 29, a straight tail hole, 30 and an inclined tail hole.
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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-6, the utility model relates to a double-cooling surf pedal electric jet pump power assembly, which comprises a control mechanism 1, a motor system mechanism 2 and a jet pump mechanism 3, wherein the control mechanism 1 and the jet pump mechanism 3 are respectively arranged at two ends of the motor system mechanism 2, the motor system mechanism 2 comprises a motor housing 4, a motor bracket 5, a motor end cover 6, an encoder end cover 7, a rotor bearing I8, a rotor bearing II 9, a motor shaft 10, a stator shaft sleeve 11, a stator coil 12, a rotor magnetic track 13 and an induction magnetic ring 14, the motor housing 4 is a hollow columnar structure, the motor bracket 5 and the encoder end cover 7 are arranged at two ends of the motor housing 4, the motor end cover 6 is arranged in the motor housing 4 and arranged on the motor bracket 5, one end of the motor shaft 10 is rotatably arranged on the side wall of the encoder end cover 7, and the other end sequentially penetrates through the motor end cover 6 and, stator shaft sleeve 11 cup joints locates motor shaft 10 outer wall and joint and locates between motor end cover 6 and the encoder end cover 7, rotor bearing 8 cup joints and locates outside stator shaft sleeve 11 and locate in motor end cover 6, two 9 cup joints of rotor bearing locate on stator shaft sleeve 11, stator coil 12 is fixed to be located on stator shaft sleeve 11 and along 11 circumference outer wall evenly distributed of stator shaft sleeve, stator coil 12 locates between two 9 of rotor bearing 8 and rotor bearing, rotor magnetic track 13 cup joints and locates outside motor end cover 6 and two 9 outsides of rotor bearing, response magnetic ring 14 locates on encoder end cover 7 and cup joints and locates on motor shaft 10.
Wherein, the control mechanism 1 comprises a controller shell 15, a controller end cover 16 and a controller 17, the controller shell 15 is a hollow columnar structure, one end of the controller shell is fixedly connected with the motor shell 4, the controller end cover 16 is arranged at one end of the controller shell 15 far away from the motor system mechanism 2, the controller shell 15, the controller end cover 16 and the encoder end cover 7 enclose the interior of the controller shell 15 into a sealed cavity, the controller 17 is arranged in the controller shell 15, the jet pump mechanism 3 comprises a propeller shell 18, a propeller shaft 19, a propeller 20, a wear-resistant ring 21, a jet pipe 22, a flow guide body 23 and a rectifying body 24, the propeller shell 18 is sleeved at one end of the motor shell 4 far away from the controller shell 15, the jet pipe 22 is arranged at one end of the propeller shell 18 far away from the motor system mechanism 2 and is communicated with the propeller shell 18, the flow guide body 23 is arranged on the inner wall of the propeller shell 18, one end of the propeller shaft 19 is arranged at the central part of the flow guide body 23 in a penetrating way, the other end of the propeller shaft 19 is sleeved on the outer side of the tail end of the motor shaft 10, the propellers 20 are uniformly distributed along the circumference outer walls of the propeller shaft 19 and the motor shaft 10, the wear-resistant ring 21 is arranged on the inner wall of the propeller shell 18 and is arranged between the propellers 20 and the propeller shell 18, the rectifier 24 is arranged in a conical shape, the rectifier 24 is arranged at one end of the flow guide body 23 close to the propeller shaft 19, flow guide cavities are symmetrically arranged in the flow guide body 23, a rectification cavity is arranged between the rectifier 24 and the spray pipe 22, the flow cavities are communicated with each other, the rectifier 24, the flow guide body 23 and the spray pipe 22 are coaxially arranged, an end cover through hole I25 is arranged on the side surface of the motor end cover 6, an end cover through hole II 26 is arranged on the, the stator coil 12 completes winding through a single flat enameled wire, the wear-resistant ring 21 is made of 316L stainless steel, four diversion trenches 27 spirally arranged in the same direction are formed in the inner wall of the motor shell 4, an encoder 28 is arranged in the encoder end cover 7, and the encoder 28 is electrically connected with the controller 17 and the induction magnetic ring 14 respectively.
When the motor is used, the stator coil 12 generates an excitation magnetic field to excite the rotor magnetic track 13 to rotate after being electrified, the rotor magnetic track 13 drives the motor end cover 6 to drive the motor shaft 10 to stably rotate between the rotor bearing I8 and the rotor bearing II 9, the induction magnetic ring 14 and the motor shaft 10 rotate, the encoder 28 obtains a motor magnetic pole position and a motor rotating speed signal through the touch of the induction magnetic ring 14, compiles the data and converts the data into a signal form which can be used for communication, transmission and storage and sends the signal form to the controller 17, the rotor generates a pumping effect on heat conduction oil in the motor shell when the motor rotates, the heat conduction oil firstly passes between the rotor magnetic track 13 and the motor shell 4 and then enters between the rotor magnetic track 13 and the stator coil 12 through the end cover through hole II 26 while lubricating the interior of the motor, and finally flows out from the straight hole 29 at the tail part of the, carrying away heat outside the stator coil 12; the water flow passes through the space between the rotor magnetic track 13 and the motor shell 4, enters the space between the stator shaft sleeve 11 and the motor shaft 10 through the first end cover through hole 25, and finally flows out of the inclined hole 30 at the tail part of the stator shaft sleeve 11 to form a second cooling circulation loop to take away heat inside the stator coil 12, and is released to the external environment through the motor shell 4, so that the secondary cooling of the water on the motor shell 4 is realized when the water environment is used, so that the dual cooling is realized, the motor shaft 10 drives the propeller shaft 19 to rotate so as to drive the propeller 20 to rotate, the water flow pumped by the propeller 20 enters the flow guide body 23 from the propeller shell 18 between the motor support 5 and the propeller 20, the flow guide body 23 has a guiding effect on the water flow, the spray pipe 22 and the flow guide body 24 have a direction-changing restraining effect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a two cooling surfing pedal electric jet pump power assemblies which characterized in that: the motor comprises a control mechanism, a motor system mechanism and a jet pump mechanism, wherein the control mechanism and the jet pump mechanism are respectively arranged at two ends of the motor system mechanism, the motor system mechanism comprises a motor shell, a motor support, a motor end cover, an encoder end cover, a rotor bearing I, a rotor bearing II, a motor shaft, a stator shaft sleeve, a stator coil, a rotor magnetic track and an induction magnetic ring, the motor shell is of a hollow columnar structure, the motor support and the encoder end cover are arranged at two ends of the motor shell, the motor end cover is arranged in the motor shell and arranged on the motor support, one end of the motor shaft is rotatably arranged on the side wall of the encoder end cover, the other end of the motor shaft sequentially penetrates through the motor end cover and the motor support and is arranged outside the motor shell, the stator shaft sleeve is sleeved on the outer wall of the motor shaft and is clamped, rotor bearing cup joints and locates on the stator shaft cover, stator coil is fixed to be located on the stator shaft cover and along stator shaft cover circumference outer wall evenly distributed, stator coil locates between rotor bearing one and the rotor bearing two, the rotor magnetic track cup joints and locates outside the motor end cover and the two outsides of rotor bearing, the response magnetic ring is located on the encoder end cover and cup joints and locates on the motor shaft.
2. A dual-cooling surf pedal electric jet pump powertrain as recited in claim 1, wherein: the control mechanism comprises a controller shell, a controller end cover and a controller, wherein the controller shell is of a hollow columnar structure, one end of the controller shell is fixedly connected with the motor shell, the controller end cover is arranged at one end, far away from one end of the motor system mechanism, of the controller shell, the controller end cover and the encoder end cover enclose the inside of the controller shell to form a sealed cavity, and the controller is arranged inside the controller shell.
3. A dual-cooling surf pedal electric jet pump powertrain as recited in claim 2, wherein: the jet pump mechanism comprises a propeller shell, a propeller shaft, a propeller, a wear-resistant ring, a spray pipe, a flow guide body and a rectifying body, the propeller shell is sleeved at one end of the motor shell far away from the controller shell, the spray pipe is arranged at one end of the propeller shell far away from the motor system mechanism and is communicated with the propeller shell, the flow guide body is arranged on the inner wall of the propeller shell, one end of the propeller shaft is penetrated through the central part of the flow guide body, the other end of the propeller shaft is sleeved outside the tail end of the motor shaft, the propellers are uniformly distributed along the circumference outer walls of the propeller shaft and the motor shaft, the wear-resistant ring is arranged on the inner wall of the propeller shell and is arranged between the propeller and the propeller shell, the rectifying body is arranged in a conical shape, the rectifying body is arranged at one end of the flow guide body close to the, the flow guide cavity is communicated with the rectification cavity.
4. A dual-cooling surf pedal electric jet pump powertrain as recited in claim 3, wherein: the rectifying body, the flow guiding body and the spray pipe are arranged coaxially.
5. A dual-cooling surf pedal electric jet pump powertrain as recited in claim 1, wherein: the motor end cover side is provided with an end cover through hole I, the motor end cover top surface is provided with an end cover through hole II, and one side of the stator shaft sleeve, which is close to the encoder end cover, is provided with a tail straight hole and a tail inclined hole.
6. A dual-cooling surf pedal electric jet pump powertrain as recited in claim 1, wherein: the stator coil is a single flat enameled wire winding.
7. A dual-cooling surf pedal electric jet pump powertrain as recited in claim 3, wherein: the wear-resistant ring is made of 316L stainless steel.
8. A dual-cooling surf pedal electric jet pump powertrain as recited in claim 1, wherein: four diversion trenches spirally arranged in the same direction are arranged on the inner wall of the motor shell.
9. A dual-cooling surf pedal electric jet pump powertrain as recited in claim 2, wherein: the encoder end cover is internally provided with an encoder which is respectively and electrically connected with the controller and the induction magnetic ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020161564.4U CN211918967U (en) | 2020-02-11 | 2020-02-11 | Power assembly of electric jet pump of double-cooling surfing pedal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020161564.4U CN211918967U (en) | 2020-02-11 | 2020-02-11 | Power assembly of electric jet pump of double-cooling surfing pedal |
Publications (1)
Publication Number | Publication Date |
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CN211918967U true CN211918967U (en) | 2020-11-13 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202020161564.4U Expired - Fee Related CN211918967U (en) | 2020-02-11 | 2020-02-11 | Power assembly of electric jet pump of double-cooling surfing pedal |
Country Status (1)
Country | Link |
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CN (1) | CN211918967U (en) |
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2020
- 2020-02-11 CN CN202020161564.4U patent/CN211918967U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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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: 20201113 Termination date: 20220211 |