CN112644671B - Waterborne propulsion device with bionic tail vane - Google Patents
Waterborne propulsion device with bionic tail vane Download PDFInfo
- Publication number
- CN112644671B CN112644671B CN202011640734.8A CN202011640734A CN112644671B CN 112644671 B CN112644671 B CN 112644671B CN 202011640734 A CN202011640734 A CN 202011640734A CN 112644671 B CN112644671 B CN 112644671B
- Authority
- CN
- China
- Prior art keywords
- pedal
- plane
- propeller
- pin
- hole
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/30—Propulsive elements directly acting on water of non-rotary type
- B63H1/36—Propulsive elements directly acting on water of non-rotary type swinging sideways, e.g. fishtail type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H16/00—Marine propulsion by muscle power
- B63H16/08—Other apparatus for converting muscle power into propulsive effort
- B63H16/18—Other apparatus for converting muscle power into propulsive effort using sliding or pivoting handle or pedal, i.e. the motive force being transmitted to a propelling means by means of a lever operated by the hand or foot of the occupant
Abstract
A water propulsion device with a bionic tail vane comprises a water device, a propeller positioned under water, a pedal supporting part and a main shaft; the pedal is connected to the pedal supporting part, the propeller and the pedal supporting part are connected through the spindle, the pedal displacement drives the pedal supporting part to displace, and then the spindle is driven to rotate, and the propeller swings. The waterborne propulsion device with the bionic tail vane is simple and direct in force transmission, low in loss, not used, detachably placed and convenient to use.
Description
Technical Field
The field relates to a water propulsion device, in particular to a water propulsion device with a bionic tail vane.
Background
At present, a propeller commonly used for a water entertainment project is mainly in an electric mode or a pedal riding mode, the two modes are usually realized by adopting a propeller to push a water device to advance, an electric mode needs an external battery and has no durability, the pedal riding mode needs to convert rotating force to the propeller, and the process has driving force loss and low efficiency.
Recently, a form imitating seal is presented, and a mode of pushing the water device to advance by using fan water similar to two small wings is adopted, but the form has certain loss, and the process is complex and inconvenient to produce.
Disclosure of Invention
The invention aims to provide a water propulsion device with a bionic tail vane.
The embodiment of the invention can be realized by the following technical scheme:
a water propulsion device with a bionic tail vane comprises a water device, a propeller positioned under water, a pedal supporting part and a main shaft; the footboard is connected on the footboard supporting part, and propeller and footboard supporting part pass through the main shaft and connect, drive the displacement of footboard supporting part through the footboard displacement, and then drive the main shaft rotation, realize the propeller swing.
Preferably, the device comprises a limiting pin and a fixing main body; the limiting pin is accommodated in the fixed main body and used for limiting the displacement of the main shaft.
Preferably, the propeller is arranged in a sector, the thickness of the propeller becomes thinner gradually from front to back, and the head part of the propeller connected with the main shaft is cylindrical.
Preferably, the lower side of the main shaft is provided with a plane part, the propeller comprises a propeller connecting hole matched with the shape of the plane part, and the plane part extends into the propeller connecting hole.
Preferably, the main shaft includes connection plane, last plane, and first connecting portion are connected between connection plane and the last plane, and the width of first connecting portion is less than connection plane, all has the connection space between the both sides of connection plane and first connecting portion.
The pedal supporting part comprises a second connecting part matched with the connecting plane shape, and the second connecting part can be clamped into the connecting plane and the connecting gap to clamp the pedal supporting part and the spindle.
Preferably, the main shaft comprises a lower plane, the upper plane and the lower plane are connected through a second connecting part, and the diameter of the second connecting part is smaller than that of the lower plane and the upper plane; the lower plane and the upper plane leave a groove outside the second connecting part, the second connecting part comprises an inward-concave limiting pin fixing hole, and the limiting pin is inserted into the limiting pin fixing hole to limit and fix the spindle.
Preferably, the fixing body comprises a third hole for accommodating the limit pin, and the shape of the third hole is matched with that of the limit pin, so that the limit pin can slide back and forth in the third hole.
Preferably, the fixing body further comprises a second hole, the limit pin comprises a limit pin protrusion protruding out of the upper plane of the limit pin, the limit pin protrusion is accommodated in the second hole, and a user can move the position of the limit pin in the third hole by controlling the limit pin protrusion.
Preferably, the pedal support portion includes a third connecting portion, the pedal includes a pedal connecting pin and a pedal connecting device, and both ends of the pedal connecting device are respectively connected to the pedal and the third connecting portion.
The pedal connecting device comprises a fourth connecting part, a pedal connecting pin is in pin joint with the fourth connecting part, and the pedal can be turned over up and down by taking the fourth connecting part and the pedal connecting pin as shafts.
The pedal connecting device further comprises a connecting clearance for accommodating the third connecting part, and the third connecting part is in pin joint with the connecting plane of the pedal connecting device, so that the pedal can be transversely turned over through the pedal connecting device.
The third connecting part is perpendicular to the axis of the pedal connecting pin.
The aquatic propulsion device with the bionic tail rudder provided by the embodiment of the invention at least has the following beneficial effects:
the waterborne propulsion device with the bionic tail vane is simple and direct in force transmission, low in loss, not used, detachably placed and convenient to use.
Drawings
FIG. 1 is a schematic overall appearance of a marine propulsion device with a bionic tail rudder according to the present invention;
FIG. 2 is an exploded view of an arrangement structure of a marine propulsion device with a bionic tail vane according to the present invention;
FIG. 3 is an enlarged schematic view of a part of the structure of the marine propulsion device with a bionic tail rudder according to the invention;
FIG. 4 is an enlarged schematic view of a part of the structure of a marine propulsion device with a bionic tail rudder according to the present invention;
FIG. 5 is an enlarged schematic view of a part of the structure of a marine propulsion device with a bionic tail rudder, which is disclosed by the invention;
FIG. 6 is a top view of the overall structure of a marine propulsion device with a bionic tail rudder according to the present invention;
fig. 7 is a schematic cross-sectional view of a marine propulsion device with a bionic tail rudder according to the invention.
Reference numerals in the figures
A propeller 1, a propeller connecting hole 11,
The spindle 2, a plane part 21, a lower plane 22, an upper plane 23, a connection plane 24, a first connection part 241, a first hole 242, a connection gap 243, a second connection part 25, a stopper pin fixing hole 251,
Fixed body 3, second hole 31, third hole 32, third hole 33, sleeve 34, fourth hole 341,
A limit pin 4, a limit pin bulge 41,
Pedal support portion 5, fifth hole 51, support base 52, second connecting portion 521, third connecting portion 53,
The pedal 6, the pedal base 61, the pedal connecting pin 62, the pedal connecting device 63, the connecting clearance 631, the connecting plane 632, the fourth connecting part 633,
An upper fixing bolt 71, a lower fixing bolt 72,
The water device 8 is connected with the water device connecting hole 81.
Detailed Description
The present invention will be further described below based on preferred embodiments with reference to the accompanying drawings.
In addition, the various components on the drawings are enlarged (thick) or reduced (thin) for convenience of understanding, but this is not intended to limit the scope of the present invention.
Singular references also include plural references and vice versa.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are usually placed when the products of the present invention are used, the orientations or positional relationships are only for convenience of describing the present invention and simplifying the description, and the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and thus, the present invention should not be construed as being limited. Furthermore, the terms first, second, etc. may be used in the description to distinguish between different elements, but these should not be limited by the order of manufacture or by importance to be understood as indicating or implying any particular importance, and their names may differ between the detailed description of the invention and the claims.
The terminology used in the description is for the purpose of describing the embodiments of the invention and is not intended to be limiting of the invention. It is also to be understood that, unless otherwise expressly stated or limited, the terms "disposed," "connected," and "connected" are intended to be open-ended, i.e., may be fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. Those skilled in the art will specifically understand that the above description is intended to be within the meaning of the present invention.
FIG. 1 is a schematic overall appearance of a marine propulsion device with a bionic tail rudder according to the present invention; fig. 2 is an exploded schematic view of an arrangement structure of the marine propulsion device with a bionic tail vane. Referring to fig. 1 and 2, the marine propulsion device with the bionic tail vane comprises a marine device 8 and a propeller 1 under water, wherein the propeller 1 is connected with and controlled to swing through a pedal 6, the pedal 6 is connected with a pedal support part 5, and the propeller 1 is connected with the pedal support part 5 through a main shaft 2.
Further, the water device 8 is provided with a hollow water device connecting hole 81, a fixing body 3 is arranged on the connecting hole 81, and the fixing body 3 is used for accommodating and connecting the main shaft 2.
Further, the water propulsion device further comprises a limiting pin 4, and the limiting pin 4 is accommodated in the fixing main body 3 and used for limiting the displacement of the main shaft 2.
Propeller 1 is the sector setting, and propeller 1's thickness is from the past to back taper down, and wherein, propeller 1 and the part that main shaft 2 is connected are thick, and the afterbody is thin, forms the hardness poor, can imitate the afterbody of fish like this and swing.
Preferably, the head of the propeller 1 connected with the main shaft 2 is cylindrical, so that the main shaft 2 is favorable for reducing the twisting resistance of the propeller 1 when driving the propeller 1 to rotate.
Preferably, the propeller 1 is made of a deformable plastic product, and the tail part is thin and has poor hardness, so that the tail part of the propeller 1 can deform and swing when moving underwater to provide thrust.
Preferably, the propeller 1 may be made of two different materials combined to form a hardness difference, wherein the front section connected to the main shaft may be made of a hard material, and the thinner rear section may be made of a soft and deformable material.
FIG. 3 is an enlarged schematic view of a part of the structure of the marine propulsion device with a bionic tail rudder according to the invention; referring to fig. 1 to 3, the upper side of the main shaft 2 is connected to the pedal support portion 5, the lower side is connected to the propeller 1, and the main shaft 2 is used for transmitting the force generated by the movement of the pedal 6 to the propeller 1 at the lower side, so as to drive the marine propulsion device to move.
Specifically, the lower side of the main shaft 2 is provided with a plane part 21, correspondingly, the propeller 1 comprises a propeller connecting hole 11 matched with the shape of the plane part 21, the plane part 21 extends into the propeller connecting hole 11, and when the main shaft 2 rotates, the plane part 21 drives the propeller 1 to rotate.
Preferably, the plane portions 21 are located on both lower sides of the main shaft 2, such an arrangement can better achieve the connection between the main shaft 2 and the propeller 1, and prevent the main shaft 2 from freely rotating in the propeller connecting hole 11.
Specifically, the upper side of the spindle 2 is connected with the pedal support part 5, the top of the spindle 2 comprises a connecting plane 24, an upper plane 23 and a lower plane 22 from top to bottom, the connecting plane 24 is connected with the upper plane 23 through a first connecting part 241, and the upper plane 23 is connected with the lower plane 22 through a second connecting part 25.
Preferably, the width of the first connecting portion 241 is smaller than that of the connecting plane 24, so that a connecting gap 243 exists between the connecting plane 24 and both sides of the first connecting portion 241, and the connecting gap 213 is used for limiting the connection with the pedal-supporting portion 5.
Preferably, the diameter of the second connecting portion 25 is smaller than the diameter of the lower plane 22 and the diameter of the upper plane 23, so that the lower plane 22 and the upper plane 23 are provided with a groove outside the second connecting portion 25, the second connecting portion 25 includes a stopper pin fixing hole 251 which is recessed inwards, and the stopper pin 4 can be inserted into the stopper pin fixing hole 251 to fix the main shaft 2.
Fig. 4 is an enlarged schematic view of a part of the structure of the marine propulsion device with a bionic tail vane of the present invention, please refer to fig. 1, fig. 2, and fig. 4, wherein the fixed body 3 is fixedly connected with the marine device 8.
Specifically, the fixing body 3 is provided with a second hole 31 for accommodating the spindle 2, a shaft sleeve 34 is further arranged in the second hole 31, the spindle 2 extends into the second hole 31, and the lower surface of the lower plane 22 is in contact with the shaft sleeve 34, so that the spindle 2 is prevented from falling off from the lower end of the second hole 31.
Specifically, the fixing body 3 includes a third hole 33 for receiving the limit pin 4, and the shape of the third hole 33 is adapted to the shape of the limit pin 4, so that the limit pin 4 can slide back and forth in the third hole 33.
Specifically, the fixing body 3 further includes a second hole 32, the limit pin 4 includes a limit pin protrusion 41 protruding from the upper surface of the limit pin 4, the limit pin protrusion 41 is accommodated in the second hole 32, and a user can move the position of the limit pin 4 in the third hole 33 by controlling the limit pin protrusion 41.
Preferably, the second hole 32 includes three positions, namely, a first position farthest from the main shaft, a third position closest to the main shaft, and a second position between the first position and the third position, when the stopper pin protrusion 41 is located at the first position, the stopper pin 4 is far away from the main shaft 2, and the main shaft 2 can be separated from the second hole 31 of the fixing body 3; when the limiting pin bulge 41 is located at the third position, the limiting part 4 extends into the limiting pin fixing hole 241 of the spindle 2, and the spindle 2 is limited at the moment and cannot displace in any direction; when the stop pin protrusion 41 is located at the second position, the stop pin 4 is located in the gap between the upper plane 23 and the lower plane 22 outside the second connecting portion 25, and at this time, the spindle 2 can rotate in the second hole 31, the vertical displacement is limited by the stop pin 4, and the spindle 2 cannot be pulled out of the second hole 31.
Fig. 5 is a schematic enlarged view showing a third partial structure of the marine propulsion device with a bionic tail vane of the present invention, please refer to fig. 1, fig. 2 and fig. 5, wherein the pedal 6 is connected with the pedal support portion 5.
Specifically, the pedal support portion 5 includes a support base 52 connected to the spindle 2, the support base 52 includes a second connection portion 521 adapted to the shape of the connection plane 24, and the second connection portion 521 can be inserted into the connection plane 24 and the connection gap 243 to clamp the pedal support portion 5 and the spindle 2.
Specifically, the pedal support portion 5 includes a third connecting portion 53 connected to the pedal 6.
Specifically, the body of the pedal support portion 5 is axisymmetric, and the pedals 6 are respectively assembled at both ends of the pedal support portion 5.
Preferably, the pedal 6 comprises a pedal base 61, and the pedal base 61 and the pedal 6 are L-shaped, so that a user can conveniently step on the pedal 6.
Of course, it is conceivable that the pedal 6 may be configured as a flat plate, and a connecting band may be provided in the middle of the flat plate, and the foot may be inserted into the connecting band.
Specifically, the pedal 6 includes a pedal connecting pin 62 and a pedal connecting device 63, and both ends of the pedal connecting device 63 are connected to the pedal 6 and the third connecting portion 53 of the pedal supporting portion 5, respectively.
Preferably, the pedal connecting device 63 includes a fourth connecting portion 633, the pedal connecting pin 62 is pinned with the fourth connecting portion 633, and the pedal 6 can be turned up and down by using the fourth connecting portion 633 and the pedal connecting pin 62 as a shaft.
Preferably, the pedal connecting device 63 further includes a connecting clearance 631 for receiving the third connecting portion 53, and the third connecting portion 53 is pinned with the connecting plane 632 of the pedal connecting device 63, so that the pedal 6 can be laterally turned by the pedal connecting device 63.
Preferably, the third connecting portion 53 is perpendicular to the axis of the pedal connecting pin 62.
Referring to fig. 1 and 2, the marine propulsion device further includes an upper fixing bolt 71 and a lower fixing bolt 72, wherein the upper fixing bolt 71 is received in the fifth hole 51 of the pedal support portion 5 and extends into the first connecting portion 241 of the connecting plane 24 through the fifth hole 51, thereby more tightly and fixedly connecting the pedal support portion 5 and the main shaft 2.
The lower fixing bolt 71 is accommodated in the spindle 2 of the propeller connecting hole 11, an accommodating hole is formed in the spindle 2, and the lower fixing bolt 71 penetrates through the propeller connecting hole 11 to tightly connect the propeller 1 and the spindle 2, so that the propeller 1 is prevented from falling off from the spindle 2.
FIG. 6 is a top view of the overall structure of a marine propulsion device with a bionic tail rudder according to the present invention; fig. 7 is a schematic cross-sectional view of a marine propulsion device with a bionic tail rudder according to the invention. Referring to fig. 1 to 7, the operation principle of the present embodiment will be briefly described below with reference to the drawings.
A marine propulsion device as described herein controls the oscillation of the propeller 1 by means of pedals 6.
When the device is used, the limiting pin bulge of the limiting pin 4 is moved to the second position, the limiting pin 4 only limits the up-down movement of the main shaft 2, and the main shaft 2 can rotate; at this time, the user treads the pedals 6 with the left foot and the right foot respectively, the pedals 6 on the two sides drive the pedal supporting parts 5 to rotate, the main shaft 2 is driven to rotate, the main shaft 2 drives the propeller 1 to rotate, and the propeller 1 swings in the left and right directions to push the water propulsion device to move forwards.
When the stop is needed, the limit pin boss of the limit pin 4 is moved to the third position, the limit pin 4 is inserted into the limit pin fixing hole 251, the main shaft 2 is limited and cannot rotate, and the pedal 6 cannot move and is limited.
After the use is accomplished, each part of this application can be dismantled, moves the spacer pin arch of spacer pin 4 to the primary importance, and spacer pin 4 is to the nothing of main shaft 2 spacing. The main shaft 2 can be removed from the fixing body 3, the upper fixing bolt 71 and the lower fixing bolt 72 are pulled out, and the propeller 1, the main shaft 2 and the pedal support part 5 can be detached.
While the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes and modifications can be made therein without departing from the spirit of the invention, and it is intended to claim all such changes and modifications as fall within the scope of the appended claims.
Claims (8)
1. The utility model provides a marine advancing device with bionical tail vane which characterized in that:
comprises an above-water device, a propeller positioned under water, a pedal supporting part and a main shaft; the pedal is connected to the pedal supporting part, the propeller and the pedal supporting part are connected through the spindle,
the pedal displacement drives the pedal supporting part to displace, so that the main shaft is driven to rotate, and the propeller swings;
the spindle comprises a connecting plane and an upper plane, the connecting plane and the upper plane are connected through a first connecting part, the width of the first connecting part is smaller than that of the connecting plane, and a connecting gap is reserved between the connecting plane and two sides of the first connecting part;
the pedal supporting part comprises a second connecting part matched with the connecting plane shape, the second connecting part can be clamped into the connecting plane and the connecting gap, and the pedal supporting part and the spindle are clamped.
2. A marine propulsion device with a biomimetic tail rudder according to claim 1, characterized in that:
comprises a limit pin and a fixed main body; the limiting pin is accommodated in the fixed main body and used for limiting the displacement of the main shaft.
3. A marine propulsion device with a biomimetic tail rudder according to claim 1, characterized in that:
the propeller is arranged in a sector mode, the thickness of the propeller becomes thinner gradually from front to back, and the head portion, connected with the main shaft, of the propeller is cylindrical.
4. A marine propulsion device with a biomimetic tail rudder according to claim 1, characterized in that:
the main shaft downside is equipped with plane portion, include on the propeller with the propeller connecting hole of plane portion shape looks adaptation, plane portion stretches into in the propeller connecting hole.
5. A marine propulsion device with a biomimetic tail rudder according to claim 1, characterized in that:
the spindle comprises a lower plane, the upper plane and the lower plane are connected through a second connecting part, and the diameter of the second connecting part is smaller than that of the lower plane and that of the upper plane;
the lower plane and the upper plane are provided with grooves on the outer sides of the second connecting portions, the second connecting portions comprise inwards-recessed limiting pin fixing holes, and the limiting pins are inserted into the limiting pin fixing holes to limit and fix the main shaft.
6. A marine propulsion device with a biomimetic tail rudder according to claim 2, characterized in that:
the fixing body comprises a third hole for accommodating the limiting pin, and the shape of the third hole is matched with that of the limiting pin, so that the limiting pin can slide back and forth in the third hole.
7. A marine propulsion device with a biomimetic tail rudder according to claim 6, characterized in that:
the fixing main body further comprises a second hole, the limiting pin comprises a limiting pin bulge protruding out of the upper plane of the limiting pin, and the limiting pin bulge is accommodated in the second hole.
8. A marine propulsion device with a biomimetic tail rudder according to claim 1, characterized in that:
the pedal supporting part comprises a third connecting part, the pedal comprises a pedal connecting pin and a pedal connecting device, two ends of the pedal connecting device are respectively connected with the pedal and the third connecting part,
the pedal connecting device comprises a fourth connecting part, the pedal connecting pin is in pin joint with the fourth connecting part, and the pedal can be turned up and down by taking the fourth connecting part and the pedal connecting pin as a shaft;
the pedal connecting device also comprises a connecting clearance for accommodating the third connecting part, and the third connecting part is in pin joint with the connecting plane of the pedal connecting device, so that the pedal can be transversely turned over through the pedal connecting device;
the third connecting portion is perpendicular to the axis of the pedal connecting pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640734.8A CN112644671B (en) | 2020-12-31 | 2020-12-31 | Waterborne propulsion device with bionic tail vane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640734.8A CN112644671B (en) | 2020-12-31 | 2020-12-31 | Waterborne propulsion device with bionic tail vane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112644671A CN112644671A (en) | 2021-04-13 |
| CN112644671B true CN112644671B (en) | 2022-03-01 |
Family
ID=75366946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011640734.8A Active CN112644671B (en) | 2020-12-31 | 2020-12-31 | Waterborne propulsion device with bionic tail vane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112644671B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043177A (en) * | 2011-10-12 | 2013-04-17 | 谢来红 | Self-propelled type hydrofoil device |
| CN104085509A (en) * | 2014-07-25 | 2014-10-08 | 孙清杰 | Sliding device on water surface |
| CN209192179U (en) * | 2018-10-10 | 2019-08-02 | 丁小荣 | A kind of tail vane and the marine devices comprising the tail vane |
| CN210083471U (en) * | 2019-05-13 | 2020-02-18 | 威海荣创海洋科技有限公司 | Double-air-bag inflatable boat |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1251357A (en) * | 1986-09-02 | 1989-03-21 | Guy Beaudet | Folding-knockdown water vehicle |
| WO2009017626A1 (en) * | 2007-08-01 | 2009-02-05 | Hobie Cat Company | Inflatable mirage kayak |
| CN101269697A (en) * | 2008-04-09 | 2008-09-24 | 孙明 | Foot pedal speed changing boat |
| CN101723075A (en) * | 2008-10-22 | 2010-06-09 | 李若琪 | Pedal boat |
| CN101992849B (en) * | 2010-11-11 | 2016-10-05 | 太仓市车中宝休闲用品有限公司 | Foot-operated oar |
| TWI516414B (en) * | 2013-05-24 | 2016-01-11 | 亞洲大學 | Aquatic treading-power boat |
| KR20150054365A (en) * | 2013-11-12 | 2015-05-20 | 유재형 | Leap Spring Ship Propulsion Aapparatus |
| US9296455B2 (en) * | 2014-04-17 | 2016-03-29 | Johnson Outdoors Inc. | Trolling motor |
| CN107054602B (en) * | 2017-04-10 | 2018-10-09 | 安徽理工大学 | A kind of double pedal coordinated type bionic fish tail canoe |
| JP2019189197A (en) * | 2018-04-26 | 2019-10-31 | 司 服部 | Water surface propulsion device |
| CN109204727A (en) * | 2018-10-10 | 2019-01-15 | 丁小荣 | A kind of tail vane and the marine devices comprising the tail vane |
-
2020
- 2020-12-31 CN CN202011640734.8A patent/CN112644671B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043177A (en) * | 2011-10-12 | 2013-04-17 | 谢来红 | Self-propelled type hydrofoil device |
| CN104085509A (en) * | 2014-07-25 | 2014-10-08 | 孙清杰 | Sliding device on water surface |
| CN209192179U (en) * | 2018-10-10 | 2019-08-02 | 丁小荣 | A kind of tail vane and the marine devices comprising the tail vane |
| CN210083471U (en) * | 2019-05-13 | 2020-02-18 | 威海荣创海洋科技有限公司 | Double-air-bag inflatable boat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112644671A (en) | 2021-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2008174209A (en) | Electric surfboard | |
| EP3375498A1 (en) | Human-powered entertainment device | |
| CN112644671B (en) | Waterborne propulsion device with bionic tail vane | |
| CN104401474A (en) | Moving posture control device for underwater glider | |
| CN214267934U (en) | Waterborne propulsion device with bionic tail vane | |
| CN108275254B (en) | Portable water pedal boat | |
| CN112849385B (en) | Power pedal transmission structure for kayak | |
| CN110406642B (en) | Electric surfboard battery compartment fixing assembly and electric surfboard | |
| CN220701333U (en) | Fish tail type propeller for ship | |
| CN216909100U (en) | Handheld propeller thruster | |
| CN219926106U (en) | Static knife rotary electric shaver | |
| CN220327657U (en) | Beat mechanism, massager core and neck massager | |
| CN220797263U (en) | Universal terminal with elastic structure | |
| CN117104475A (en) | Fish tail type propeller for ship | |
| CN211618037U (en) | Novel swim ring | |
| CN113041122B (en) | Flapping type transmission mechanism and massage device | |
| CN217409236U (en) | Finger swing type massage device | |
| CN217526367U (en) | Combined toy | |
| CN209833743U (en) | Steering wheel of steer-by-wire system with rotation limiting device | |
| CN210623166U (en) | Handheld fan capable of shaking head left and right | |
| CN219672361U (en) | Transmission unlocking structure of finger-pressing type handle lock | |
| CN220622906U (en) | Valve core digital control structure | |
| CN202122836U (en) | Multifunctional toy helicopter | |
| CN215308103U (en) | Flexible crooked ball massage stick that changes | |
| CN217014662U (en) | Massage gun |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |