CN212890813U - Motor mounting structure and electric surfboard - Google Patents
Motor mounting structure and electric surfboard Download PDFInfo
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- CN212890813U CN212890813U CN202021802137.6U CN202021802137U CN212890813U CN 212890813 U CN212890813 U CN 212890813U CN 202021802137 U CN202021802137 U CN 202021802137U CN 212890813 U CN212890813 U CN 212890813U
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- fixing cylinder
- motor fixing
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Abstract
The utility model discloses a motor mounting structure and an electric surfboard, wherein the motor mounting structure comprises a motor fixing cylinder, a water flow pipeline and a motor mounting cover, and a waterproof motor is embedded in the motor fixing cylinder; the water flow pipeline and the motor fixing cylinder are of an integral structure, the water flow pipeline is communicated with the interior of the motor fixing cylinder, the propeller is connected with the waterproof motor and is positioned in the water flow pipeline, and the waterproof motor drives the propeller to rotate so as to drive water flow in the water flow pipeline to move; the motor mounting cover is connected to one side of the motor fixing cylinder, which deviates from the water flow pipeline. The utility model discloses technical scheme aims at simplifying the production procedure of the solid fixed section of thick bamboo of motor and rivers pipeline, simplifies the installation, improves the efficiency of electronic surfboard production installation.
Description
Technical Field
The utility model relates to a surfboard technical field, in particular to motor mounting structure and electronic surfboard.
Background
With the development of society, the electric surfboard can run without wind and waves due to the additional arrangement of a power source, is suitable for various water areas, effectively makes up the defects of the traditional unpowered surfboard, and further leads the surfing exercise to be widely popularized. The motor fixed bolster and the screw fixed bolster of current electronic surfboard carry out independent manufacturing through machine tooling respectively, and the course of working is comparatively complicated and efficiency is slower, and both still need carry out accurate location in order to guarantee the assembly of motor and screw in later stage simultaneously, lead to the production installation effectiveness of electronic surfboard low.
The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a motor mounting structure aims at simplifying the production flow of the solid fixed section of thick bamboo of motor and rivers pipeline, simplifies the installation, improves the efficiency of electronic surfboard production installation.
In order to achieve the above object, the utility model provides a motor mounting structure is applied to electronic surfboard, and motor mounting structure includes:
the waterproof motor is embedded in the motor fixing cylinder;
the water flow pipeline and the motor fixing cylinder are of an integral structure, the water flow pipeline is communicated with the inside of the motor fixing cylinder, the propeller is connected with the waterproof motor and is positioned in the water flow pipeline, and the waterproof motor drives the propeller to rotate so as to drive water flow in the water flow pipeline to move; and
and the motor mounting cover is connected to one side of the motor fixing cylinder, which deviates from the water flow pipeline.
In an embodiment of this application, first water inlet and first delivery port have been seted up to the rivers pipeline, first water inlet is close to the solid fixed cylinder of motor sets up, first delivery port is seted up in the rivers pipeline deviates from the one end of the solid fixed cylinder of motor, the screw is located first water inlet with between the first delivery port.
In an embodiment of the present application, it is defined that the water flow pipe has an up-down direction, and the first water inlet is opened on a lower surface of the water flow pipe.
In an embodiment of the present application, it is defined that the motor fixing cylinder has a length direction along which the central axis of the motor fixing cylinder coincides with the central axis of the water flow pipe.
In an embodiment of this application, the second water inlet has been seted up to the motor fixing cylinder, the second water inlet link up the lateral wall of motor fixing cylinder, motor installation lid is opened and is equipped with the second delivery port, and rivers are followed the second water inlet passes through waterproof motor is discharged from the second delivery port.
In an embodiment of the application, the motor fixing cylinder comprises a mounting section and a connecting section which are communicated, the connecting section is communicated with the water flow pipeline, the waterproof motor is accommodated in the mounting section, and the motor mounting cover is connected to one end of the mounting section, which is far away from the connecting section;
the motor fixing cylinder is defined to have a length direction, the motor fixing cylinder extends along the length direction, and the cross-sectional area of the connecting section is smaller than that of the mounting section.
In an embodiment of the application, the installation section deviates from connecting portion is equipped with connecting portion, connecting portion have seted up first connecting hole, motor installation lid corresponds first connecting hole has seted up the second connecting hole, a mounting passes in proper order first connecting hole with the second connecting hole, with motor installation lid is fixed in the motor fixed cylinder.
In an embodiment of the present application, the motor fixing cylinder and the water flow pipe are both made of a carbon fiber material.
In an embodiment of the application, the motor mounting structure further includes a fixing bottom plate, the fixing bottom plate is respectively connected with the motor fixing cylinder and the water flow pipeline, and is located at the same side of the motor fixing cylinder and the water flow pipeline.
The utility model also provides an electronic surfboard subassembly, including motor mounting structure, motor mounting structure includes:
the waterproof motor is embedded in the motor fixing cylinder;
the water flow pipeline and the motor fixing cylinder are of an integral structure, the water flow pipeline is communicated with the inside of the motor fixing cylinder, the propeller is connected with the waterproof motor and is positioned in the water flow pipeline, and the waterproof motor drives the propeller to rotate so as to drive water flow in the water flow pipeline to move; and
and the motor mounting cover is connected to one side of the motor fixing cylinder, which deviates from the water flow pipeline.
The motor mounting structure of the technical scheme of the utility model is applied to the electric surfboard which comprises a waterproof motor and a propeller, the motor mounting structure comprises a motor fixing cylinder and a water flow pipeline, and the waterproof motor is embedded in the motor fixing cylinder; the water flow pipeline is communicated with the inside of the motor fixing cylinder, the propeller and the waterproof motor are connected and located in the water flow pipeline, and therefore the waterproof motor drives the propeller to rotate so as to drive water flow in the water flow pipeline to move, and the electric surfboard can run in water. And the water flow pipeline and the motor fixing cylinder are of an integrated structure, so that the production process of the motor fixing cylinder and the water flow pipeline is simplified, the process of accurate positioning and assembling is avoided, the production and machining efficiency is improved, and the structural strength of the motor fixing cylinder and the water flow pipeline is ensured, so that the stability of the waterproof motor and the propeller after installation is improved. In addition, this motor mounting structure still includes motor installation lid, and motor installation lid is connected in the one side that the motor fixed cylinder deviates from the rivers pipeline. So after installing waterproof motor in the motor solid fixed cylinder, this motor installation lid is located the motor solid fixed cylinder and is sealed in order to seal waterproof motor, guarantees the stability after the waterproof motor installation, and the later stage of also being convenient for simultaneously maintains the change to waterproof motor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 view of an embodiment of a motor mounting structure of the present invention;
fig. 2 is a schematic cross-sectional structural view of the motor mounting structure of the present invention;
fig. 3 is an assembly schematic view of a partial structure of the motor mounting structure of the present invention;
fig. 4 is a schematic view of a part of the structure of the motor mounting structure of the present invention;
fig. 5 is a schematic structural diagram of the motor mounting cover of the motor mounting structure of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
30 | |
| 10 | |
31 | |
| 11 | |
32 | Second connecting |
| 12 | |
33 | Through |
| 121 | Connecting |
40 | Fixed |
| 13 | Connecting |
50 | |
| 20 | |
200 | |
| 21 | |
300 | |
| 22 | The first water outlet |
The objects, 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 described clearly and completely with reference to the accompanying 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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to 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, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a motor mounting structure 100.
Referring to fig. 1 to 3, in the embodiment of the present invention, the motor mounting structure 100 includes a motor fixing cylinder 10, a water flow pipe 20, and a motor mounting cover 30, and the waterproof motor 200 is embedded in the motor fixing cylinder 10; the water flow pipeline 20 and the motor fixing cylinder 10 are of an integral structure, the water flow pipeline 20 is communicated with the inside of the motor fixing cylinder 10, the propeller 300 is connected with the waterproof motor 200 and is positioned in the water flow pipeline 20, and the waterproof motor 200 drives the propeller 300 to rotate so as to drive water flow in the water flow pipeline 20 to move; the motor mounting cover 30 is connected to a side of the motor fixing cylinder 10 facing away from the water flow pipe 20.
Wherein, this screw 300 accessible joint or mode such as threaded connection are fixed in waterproof motor 200's motor shaft department to maintenance and change in later stage. And the water flow pipeline 20 is communicated with the inside of the motor fixing cylinder 10 so that a motor shaft of the waterproof motor 200 can be inserted into the water flow pipeline 20 to be connected with the propeller 300, which is more convenient and faster. And waterproof motor 200's one end card is held and is fixed in the junction of motor solid fixed cylinder 10 and rivers pipeline 20, and motor solid fixed cylinder 10 is located to rethread motor installation lid 30 lid to further the waterproof motor 200 relative other end of butt, in order to guarantee the stability after waterproof motor 200 installs, so avoid waterproof motor 200 can take place to rock and lead to the circumstances such as screw 300 rotation unbalance to take place in normal work operation, in order to guarantee electronic surfboard's normal use. The motor mounting cover 30 is provided with a through hole 33, so that a cable of the waterproof motor 200 can pass through the through hole 33 to be electrically connected with a power supply to ensure power supply. The waterproof motor 200 is mounted to the motor fixing cylinder 10. The motor fixing cylinder 10 and the water flow pipe 20 may be provided in a linear type to facilitate the installation and connection of the waterproof motor 200 and the propeller 300. In addition, this motor mounting structure 100 still includes tail-hood 50, and this tail-hood 50 is connected in the one end that rivers pipeline 20 deviates from the electrode fixing cylinder, makes screw 300 and external existence certain distance, not only can effectively protect screw 300, makes simultaneously and drives rotatory rivers and can only follow tail-hood 50 and locate the blowout by screw 300 to the effect that the thrust that improves screw 300 drove electronic surfboard and removes. It should be noted that the motor fixing cylinder 10 and the water flow pipe 20 may be integrally formed by various methods such as injection molding, and the selection of the method may be made by those skilled in the art.
The motor mounting structure 100 of the technical scheme of the utility model is applied to an electric surfboard, the electric surfboard comprises a waterproof motor 200 and a propeller 300, the motor mounting structure 100 comprises a motor fixing cylinder 10 and a water flow pipeline 20, and the waterproof motor 200 is embedded in the motor fixing cylinder 10; the water flow pipe 20 is communicated with the inside of the motor fixing cylinder 10, and the propeller 300 is installed in the water flow pipe 20 and connected with the waterproof motor 200, so that the waterproof motor 200 drives the propeller 300 to rotate to drive the water flow in the water flow pipe 20 to move, so that the electric surfboard can run in water. And rivers pipeline 20 and motor solid fixed cylinder 10 structure as an organic whole, so simplified the production flow of motor solid fixed cylinder 10 and rivers pipeline 20, avoided the process that needs the positioning assembly, improved production machining efficiency, guaranteed the structural strength of motor solid fixed cylinder 10 and rivers pipeline 20 simultaneously to waterproof motor 200 and the stability after the screw 300 installation have been improved. In addition, the motor mounting structure 100 further includes a motor mounting cover 30, and the motor mounting cover 30 is connected to a side of the motor fixing cylinder 10 facing away from the water flow pipe 20. So install waterproof motor 200 in motor solid fixed cylinder 10 after, this motor installation lid 30 lid is located motor solid fixed cylinder 10 in order to seal waterproof motor 200, guarantees the stability after waterproof motor 200 installs, and the later stage of also being convenient for simultaneously maintains waterproof motor 200 and changes.
In an embodiment of the present application, referring to fig. 2 to 4, the water flow pipeline 20 has a first water inlet 21 and a first water outlet 22, the first water inlet 21 is disposed adjacent to the motor fixing cylinder 10, the first water outlet 22 is disposed at an end of the water flow pipeline 20 departing from the motor fixing cylinder 10, and the propeller 300 is disposed between the first water inlet 21 and the first water outlet 22. Specifically, the water flow pipe 20 is provided with a first water inlet 21 and a first water outlet 22, so that water flow can continuously rush from the first water inlet 21 and be sprayed out to the first water outlet 22 under the rotation action of the propeller 300, and forward thrust is generated, so that the electric surfboard can run forward. And make first water inlet 21 lead to the setting of motor solid fixed cylinder 10, and set up first delivery port 22 in the one end that rivers pipeline 20 deviates from motor solid fixed cylinder 10, so with the mobilizable discharge of increase rivers pipeline 20 to this screw 300 can drive more rivers and rotate, in order to further promote the thrust of electronic surfboard, and guarantee waterproof motor 200 and screw 300's normal use.
Further, the water flow pipe 20 is defined to have an up-down direction, and the first water inlet 21 is opened on a lower surface of the water flow pipe 20. Wherein through seting up first water inlet 21 in the lower surface of rivers pipeline 20, so make rivers enter into rivers pipeline 20 more easily, this water inlet direction has also avoided the waterproof motor 200 in the direct impact motor fixing cylinder 10 simultaneously, further improves the protection to waterproof motor 200. In addition, the inner wall of the water flow pipe 20 is provided with a guide surface so that the water flow enters from the first water inlet 21 of the lower surface of the water flow pipe 20 and then contacts with the guide surface to flow toward the direction of the propeller 300.
In an embodiment of the present application, it is defined that the motor fixing cylinder 10 has a length direction along which the central axis of the motor fixing cylinder 10 coincides with the central axis of the water flow pipe 20. Specifically, the central axis through motor fixing cylinder 10 and the coincidence of the central axis of rivers pipeline 20 to when waterproof motor 200 was installed in motor fixing cylinder 10, its motor shaft stretched into rivers pipeline 20's center department, assembled with screw 300 again, in order to guarantee that screw 300 is located the central axis department of rivers pipeline 20, so accurate in order to guarantee the connection cooperation of motor shaft and screw 300, and then improved screw 300 pivoted stability.
Optionally, referring to fig. 1 to 3, the motor fixing cylinder 10 is provided with a second water inlet 11, the second water inlet 11 penetrates through a side wall of the motor fixing cylinder 10, the motor mounting cover 30 is provided with a second water outlet 31, and water flows through the waterproof motor 200 from the second water inlet 11 and is discharged from the second water outlet 31. Wherein, can have the too big problem of calorific capacity after waterproof motor 200 uses for a long time, so through having seted up second water inlet 11 on the lateral wall at the solid fixed section of thick bamboo of motor 10, so that this second water inlet 11 of rivers accessible flows in the motor installation section of thick bamboo, and be located between the clearance of the solid fixed section of thick bamboo of waterproof motor 200 and motor 10, so in order to cool down waterproof motor 200 through rivers, second delivery port 31 has been seted up to motor installation lid 30 simultaneously, so that can follow second delivery port 31 and discharge to cooling waterproof motor 200 after rivers, in order to reach the radiating effect of circulation, in order to guarantee waterproof motor 200's normal use.
In an embodiment of the present application, referring to fig. 3, the motor fixing cylinder 10 includes a mounting section 12 and a connecting section 13 that are communicated with each other, the connecting section 13 is communicated with the water flow pipe 20, the waterproof motor 200 is accommodated in the mounting section 12, and the motor mounting cover 30 is connected to one end of the mounting section 12 that is away from the connecting section 13; the motor fixing cylinder 10 is defined to have a length direction along which the cross-sectional area of the connecting section 13 is smaller than that of the mounting section 12. Wherein, this installation section 12 and linkage segment 13 and water pipe runner structure as an organic whole have guaranteed the holistic structural strength of motor fixing cylinder 10 promptly, have saved earlier stage assembly process simultaneously, have improved the efficiency of assembly, and waterproof motor 200 holding is in installation section 12, and communicates with water flow pipeline 20 through this linkage segment 13, so this waterproof motor 200's motor shaft accessible linkage segment 13 stretches into in water flow pipeline 20 and is connected with screw 300. And the cross-sectional area of linkage segment 13 is less than the cross-sectional area of erection segment 12, so that linkage segment 13 can butt spacing waterproof motor 200 and be located erection segment 12, with the stability after waterproof motor 200 installs of further improvement.
Further, the mounting section 12 deviates from the connecting section 13 and is provided with a connecting portion 121, the connecting portion 121 is provided with a first connecting hole (not labeled), the motor mounting cover 30 corresponds to the first connecting hole and is provided with a second connecting hole 32, and a fixing member sequentially passes through the first connecting hole and the second connecting hole 32 so as to fix the motor mounting cover 30 to the motor fixing cylinder 10. Wherein, first connecting hole and second connecting hole 32 can the screw hole, and the mounting then can be the screw, utilizes the screw to fix a motor fixing cylinder 10 and motor installation lid 30 mutually, and this fixed mode installation operation is comparatively simple, easily dismantles moreover, and convenient follow-up maintenance is maintained. Of course, in other embodiments, the motor fixing cylinder 10 and the motor mounting cover 30 may be fixed by a pin connection, a rivet connection, or other connection methods commonly used in the art.
In an embodiment of the present application, the motor fixing cylinder 10 and the water flow pipe 20 are both made of a carbon fiber material. Specifically, the motor fixing cylinder 10 and the water flow pipe 20 may be made of a carbon fiber composite material. Wherein, the carbon content of the carbon fiber exceeds ninety percent, the strength is high, and the weight is light. Therefore, the motor fixing cylinder 10 and the water flow pipeline 20 are lighter in weight so as to be convenient for a user to move, and meanwhile, the structural strength of the motor fixing cylinder 10 and the water flow pipeline 20 is higher so as to improve the safety of the user in using the electric surfboard.
In an embodiment of the present application, referring to fig. 1 to 4, the motor mounting structure 100 further includes a fixing base plate 40, and the fixing base plate 40 is respectively connected to the motor fixing cylinder 10 and the water flow pipeline 20 and is located on the same side of the motor fixing cylinder 10 and the water flow pipeline 20. Specifically, the fixing bottom plate 40, the motor fixing cylinder 10 and the water flow pipeline 20 are of an integrated structure, so that the overall structural strength is further improved, the early-stage assembling process is omitted, and the assembling efficiency is improved. Meanwhile, the fixing bottom plate 40 is in a planar plate shape, so that the fixing bottom plate 40 can be used as a carrier for bearing the motor fixing cylinder 10 and the water flow pipeline 20, and is connected to the plate body of the electric surfboard through the fixing bottom plate 40, and because the contact area is large and the installation condition is convenient, the fixing bottom plate 40 and the plate body of the electric surfboard are convenient to install, detach and maintain, and the installation and detachment efficiency is improved.
The utility model discloses still provide a motor surfboard, this motor surfboard include motor mounting structure 100, and this motor mounting structure 100's concrete structure refers to above-mentioned embodiment, because this motor surfboard has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a motor mounting structure is applied to electronic surfboard, electronic surfboard includes waterproof motor and screw, its characterized in that, motor mounting structure includes:
the waterproof motor is embedded in the motor fixing cylinder;
the water flow pipeline and the motor fixing cylinder are of an integral structure, the water flow pipeline is communicated with the inside of the motor fixing cylinder, the propeller is connected with the waterproof motor and is positioned in the water flow pipeline, and the waterproof motor drives the propeller to rotate so as to drive water flow in the water flow pipeline to move; and
and the motor mounting cover is connected to one side of the motor fixing cylinder, which deviates from the water flow pipeline.
2. The motor mounting structure according to claim 1, wherein the water flow pipe defines a first water inlet and a first water outlet, the first water inlet is disposed adjacent to the motor fixing cylinder, the first water outlet is disposed at an end of the water flow pipe facing away from the motor fixing cylinder, and the propeller is disposed between the first water inlet and the first water outlet.
3. The motor mounting structure according to claim 2, wherein the water flow pipe is defined to have an up-down direction, and the first water inlet is opened at a lower surface of the water flow pipe.
4. The motor mounting structure according to claim 1, wherein the motor fixing cylinder is defined to have a length direction along which the central axis of the motor fixing cylinder coincides with the central axis of the water flow pipe.
5. The motor mounting structure of claim 1, wherein the motor fixing cylinder is opened with a second water inlet penetrating through a side wall of the motor fixing cylinder, and the motor mounting cover is opened with a second water outlet through which water flows from the second water inlet through the waterproof motor and is discharged.
6. The motor mounting structure of claim 1, wherein the motor fixing cylinder comprises a mounting section and a connecting section which are communicated with each other, the connecting section is communicated with the water flow pipeline, the waterproof motor is accommodated in the mounting section, and the motor mounting cover is connected to one end of the mounting section, which is far away from the connecting section;
the motor fixing cylinder is defined to have a length direction, the motor fixing cylinder extends along the length direction, and the cross-sectional area of the connecting section is smaller than that of the mounting section.
7. The motor mounting structure of claim 6, wherein the mounting section is provided with a connecting portion away from the connecting section, the connecting portion is provided with a first connecting hole, the motor mounting cover is provided with a second connecting hole corresponding to the first connecting hole, and a fixing member sequentially passes through the first connecting hole and the second connecting hole to fix the motor mounting cover to the motor fixing cylinder.
8. The motor mounting structure according to any one of claims 1 to 7, wherein the motor fixing cylinder and the water flow pipe are both made of a carbon fiber material.
9. The motor mounting structure according to any one of claims 1 to 7, further comprising a fixing bottom plate connected to the motor fixing cylinder and the water flow pipe, respectively, and located on the same side as the motor fixing cylinder and the water flow pipe.
10. An electric surfboard comprising the motor mounting structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021802137.6U CN212890813U (en) | 2020-08-25 | 2020-08-25 | Motor mounting structure and electric surfboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021802137.6U CN212890813U (en) | 2020-08-25 | 2020-08-25 | Motor mounting structure and electric surfboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212890813U true CN212890813U (en) | 2021-04-06 |
Family
ID=75250501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021802137.6U Active CN212890813U (en) | 2020-08-25 | 2020-08-25 | Motor mounting structure and electric surfboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212890813U (en) |
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2020
- 2020-08-25 CN CN202021802137.6U patent/CN212890813U/en active Active
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