CN214267931U

CN214267931U - Propeller and water running equipment

Info

Publication number: CN214267931U
Application number: CN202023255739.7U
Authority: CN
Inventors: 朱秋阳; 祝伟杰
Original assignee: Shenzhen Weidu Intelligent Technology Co ltd
Current assignee: Shenzhen Weidu Intelligent Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-24
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a propeller and water operation equipment, wherein, the propeller comprises a shell, a motor stator, a propeller and a motor rotor, and the shell encloses and forms an installation channel with openings at two ends; the motor stator is fixedly arranged on the shell; at least part of the propeller is arranged in the mounting channel; the motor rotor and the propeller are of an integral structure and are positioned in the mounting channel so as to rotate in a relative coupling mode with the motor stator. The utility model discloses technical scheme aims at the convenience for improving propeller installation and maintenance to the security and the operating efficiency of propeller have been promoted.

Description

Propeller and water running equipment

Technical Field

The utility model relates to a propeller technical field, in particular to propeller and operation equipment on water of using this integration propeller.

Background

In the related art, as society develops, electric surfboards and other water running devices are increasingly popularized to the public, and the electric surfboards and other water running devices generally need to use a propeller to provide thrust to move. The existing propeller generally adopts a distribution structure of a motor, a support and a propeller, and all parts are connected through a transmission shaft, so that the overall size of the propeller is large, a great deal of inconvenience is caused in the aspect of maintenance, and the propeller is not beneficial to use of a user.

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 propeller aims at the convenience for improving propeller installation and maintenance to the security and the operating efficiency of propeller have been promoted.

Achieve the above object, the utility model provides a propeller, include:

the shell surrounds and forms an installation channel with two open ends;

the motor stator is fixedly arranged on the shell;

the propeller is at least partially arranged in the mounting channel; and

the motor rotor and the propeller are of an integrated structure and are positioned in the mounting channel so as to rotate in a relative coupling mode with the motor stator.

In an embodiment of the present application, the motor rotor is annularly disposed on a circumferential outer wall of the propeller, and the propeller is accommodated in the installation channel.

In an embodiment of the application, the screw propeller includes blade portion and circumference ring locate the supporting part of blade portion, motor rotor ring locates the supporting part deviates from the surface of blade portion, blade portion or one of them of supporting part with the casing rotates and is connected.

In an embodiment of the application, the motor rotor forms a glue filling layer on the outer wall of the propeller in a potting mode, so that the motor rotor and the propeller are of an integrated structure;

and/or the blade part and the supporting part are of an integral structure;

and/or, the supporting part is annularly arranged to enclose to form a containing space with two open ends, the blade part is connected with the surface of the supporting part in the containing space

In an embodiment of the present application, the motor stator is disposed at a side of the housing facing the mounting passage.

In an embodiment of the present application, the motor stator and the housing are of an integral structure.

In an embodiment of the application, be equipped with the installation cavity in the casing, motor stator set up in the installation cavity.

In an embodiment of the present application, an insertion port electrically connected to the mounting cavity is formed on an outer wall surface of the housing.

In an embodiment of the application, the propeller further comprises a flow guide cover, the installation channel is provided with a water inlet and a water outlet, and the flow guide cover is connected to the propeller and located at one end of the water outlet.

The utility model also provides a water operation equipment, including the propeller, the propeller includes:

the shell surrounds and forms an installation channel with two open ends;

the motor stator is fixedly arranged on the shell;

the propeller is at least partially arranged in the mounting channel; and

The utility model discloses technical scheme's propeller can install in operation equipment on water such as electronic surfboard to be used for promoting rivers and remove. And this propeller includes casing and motor stator, and this motor stator is fixed to be set up in the casing to guarantee the stability of motor stator during operation. The shell is enclosed to form an installation channel with openings at two ends, and the propeller also comprises a propeller and a motor rotor, so that at least part of the propeller is arranged in the installation channel, and the propeller can push water flow in the water flow installation channel to generate thrust. And the motor rotor and the propeller are of an integrated structure and are positioned in the mounting channel so as to enable the motor rotor and the motor stator to rotate in a relatively coupled mode. Therefore, after the motor stator is electrified, a magnetic field is generated to drive the motor rotor to rotate, so that the propeller is synchronously driven to rotate. And because this electric motor rotor and screw structure as an organic whole, saved the setting of transmission structure promptly to reduce the propeller volume effectively, practice thrift installation space and reduce the complexity of propeller installation and maintenance time, and directly drive the screw by electric motor rotor and rotate, promoted the security and the operating efficiency of propeller.

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 the propeller of the present invention;

fig. 2 is a schematic view of an assembly structure of the propeller of the present invention;

fig. 3 is a schematic cross-sectional view of an embodiment of the propeller of the present invention;

fig. 4 is a schematic cross-sectional view of another embodiment of the propeller of the present invention;

FIG. 5 is an exploded view of the thruster of FIG. 4;

fig. 6 is a schematic view of a half-section structure of a motor rotor and a propeller of the present invention;

fig. 7 is a schematic view of a half-section structure of the motor stator and the casing of the propeller of the present invention.

The reference numbers illustrate:

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 propeller 100.

Referring to fig. 1, 2, 6 and 7, in the embodiment of the present invention, the propeller 100 includes a housing 10, a motor stator 20, a propeller 30 and a motor rotor 40, wherein the housing 10 encloses a mounting channel 11 with two open ends; the motor stator 20 is fixedly arranged on the shell 10; at least part of the propeller 30 is arranged in the mounting channel 11; the motor rotor 40 is integrally formed with the propeller 30 and is positioned in the mounting channel 11 to be relatively coupled to the motor stator 20 for rotation.

Wherein the housing 10 is mainly used for carrying the motor stator 20 and for connecting with an external structure, and the propeller 30 is mainly used for driving water flow to rotate in water. In this way, for the structural strength of the service life of the housing 10 and the propeller 30, the material of the housing 10 and the propeller 30 may be a metal material, for example: copper material, copper alloy material, iron material, stainless steel material, etc. The housing 10 may be in the form of a circular ring for easy installation by a user while being adapted to an external structure. Meanwhile, the housing 10 forms a mounting passage 11 with openings at both ends so that water can pass through the mounting passage 11, and the openings at both ends of the housing 10 can have the same size and shape so that a user can mount the propellers 30 from either direction at both ends to improve the mounting efficiency. It should be noted that, a limiting groove may be formed at the housing 10, and the propeller 30 may be mounted and limited in the limiting groove and may rotate in the limiting groove, so that stability of the propeller 30 during rotation may be ensured, and the propeller 30 may be prevented from deviating from the mounting channel 11. It is of course possible to arrange the rotating member 70, such as a rotating bearing, etc., so that the propeller 30 can rotate in the mounting channel 11 of the housing 10 to propel the water flow, which can be chosen by those skilled in the art and will not be described herein.

The utility model discloses technical scheme's propeller 100 mountable is in operation equipment on water such as electronic surfboard to be used for promoting rivers and remove. The propeller 100 includes a housing 10 and a motor stator 20, and the motor stator 20 is fixedly disposed on the housing 10 to ensure stability of the motor stator 20 during operation. The housing 10 encloses a mounting channel 11 with two open ends, and the propeller 100 further comprises a propeller 30 and a motor rotor 40, so that at least a part of the propeller 30 is disposed in the mounting channel 11, so that the propeller 30 can push water flow in the water flow mounting channel 11 to generate thrust. And the motor rotor 40 is integrally formed with the propeller 30 and is positioned in the mounting channel 11 to be relatively coupled to the motor stator 20 for rotation. After the motor stator 20 is powered on, a magnetic field is generated to drive the motor rotor 40 to rotate, so that the propeller 30 is synchronously driven to rotate. And because this motor rotor 40 and screw 30 structure as an organic whole, saved the setting of transmission structure promptly to reduce propeller 100 volume effectively, practice thrift installation space and reduce the complexity when propeller 100 installs and maintains, and driven screw 30 by motor rotor 40 directly and rotated, promoted propeller 100's security and operating efficiency.

Referring to fig. 6, in an embodiment of the present application, the motor rotor 40 is annularly disposed on a circumferential outer wall of the propeller 30, and the propeller 30 is received in the mounting channel 11. Wherein, in order to further improve the stability of motor rotor 40 and the integrative structure of screw 30 to the circumference outer wall of screw 30 is located to this motor rotor 40 ring, has so increased motor rotor 40 and screw 30's area of contact, with the stability of further improving both integrative structures, has increased motor rotor 40's rotation diameter simultaneously again, and then has promoted the power of screw 30. The propeller 30 is completely accommodated in the installation channel 11, so as to prevent the propeller 30 from being exposed to cause easy damage, and the axial length dimension of the propeller 100 is reduced, so as to further save the installation space and reduce the complexity of the propeller 100 during installation.

Further, the propeller 30 includes a blade portion 31 and a support portion 32 circumferentially and annularly disposed on the blade portion 31, the motor rotor 40 is annularly disposed on a surface of the support portion 32 facing away from the blade portion 31, and one of the blade portion 31 or the support portion 32 is rotatably connected to the housing 10. Specifically, this paddle portion 31 is equipped with a plurality of paddles, and a plurality of paddles are the setting of arranging of spiral to it is rotatory in order to produce steady thrust to make can evenly drive rivers. And this motor rotor 40 ring is located the surface that supporting part 32 deviates from paddle portion 31, thereby can set up alone that supporting part 32 deviates from the surface of paddle portion 31 and motor rotor 40's surface adaptation, so that motor rotor 40 more laminates in supporting part 32, and then improve the stability after motor rotor 40 installs, and can be closer to motor stator 20 and relatively couple the setting better, also make the paddle shape independent design of paddle portion 31 simultaneously, make it can be by promoting the rivers removal better. One of the blade portion 31 and the support portion 32 is rotatably connected to the housing 10, so as to provide a supporting force for the blade portion 31 of the propeller 30 to rotate, and to make the rotation process of the propeller more stable.

In an embodiment of the present application, referring to fig. 3, a rotation bearing such as a cross bearing may be provided, so that the rotation bearing may be connected to the mounting channel 11 of the housing 10 by interference fit, and the rotation bearing is sleeved on a surface of the supporting portion 32 facing away from the blade portion 31, so that the propeller 30 may rotate relative to the housing 10 by the rotation bearing, and the rotation efficiency of the propeller 30 is ensured. Meanwhile, the installation mode is convenient and fast, and the later maintenance process is convenient. Of course, the pivot bearing may be fixed to the housing 10 by snap-fitting or the like. In addition, the outer surface of the supporting portion 32 forms an annular rib 322, and one end of the rotary bearing is in limit contact with the annular rib 322. Specifically, this annular fender muscle 322 can be used for the spacing rolling bearing of butt to avoid the direct hard butt electric motor rotor 40 of rolling bearing and lead to it easily to receive the striking and damage, it is more accurate when making operating personnel to install rolling bearing simultaneously, guarantees the assembly precision, improves the efficiency of installation.

In another embodiment, referring to fig. 4 and 5, it is also possible to provide that the swivel bracket 80 is connected to the housing 10 and positioned in the mounting channel 11 such that the propeller 30 can be rotated with respect to the swivel bracket 80 by providing one of the swivel shaft 83 and the swivel shaft hole 311 in the blade portion 31 and providing the other of the swivel shaft 83 and the swivel shaft hole 311 in the swivel bracket 80 by inserting the swivel shaft 83 into the swivel shaft hole 311. The blade part 31 is provided with a rotating shaft hole 311, and the rotating bracket 80 is provided with a rotating shaft 83. It should be noted that the rotation shaft hole 311 may be opened in the center of the blade portion 31, so as to balance the force applied when the blade portion 31 rotates and improve the stability during rotation. In addition, the auxiliary bearings 90 can be arranged at the two opposite ends of the rotating shaft hole 311 to limit and abut against the rotating shaft 83 respectively, so that the stability of the rotating connection between the propeller 30 and the rotating bracket 80 is ensured.

Further, the rotating bracket 80 further includes a connecting portion 81 and a fixing portion 82 connected to each other, the fixing portion 82 is connected to the housing 10, and the rotating shaft 83 is inserted into the rotating shaft hole 311 of the blade portion 31 through the connecting portion 81. Specifically, the connecting portion 81 and the fixing portion 82 may be formed as a single body, so that an early installation process is omitted, and the structural strength of the rotating bracket 80 as a whole is ensured. The fixing portion 82 may be detachably fixed to the housing 10 by a snap or a screw connection, so as to facilitate later maintenance and replacement.

Further, the fixing portion 82 is circumferentially provided along the outer side of the connecting portion 81. Wherein, in order to guarantee the stability that fixed part 82 and casing 10 are connected to this fixed part 82 encircles the setting along the outside circumference of connecting portion 81, so with the area of contact of increase fixed part 82 and casing 10, thereby connect back stability with improving the rotation support, and make the atress balance of fixed part 82 all directions, the installation of also being convenient for simultaneously operating personnel grips, efficiency after the improvement installation.

Optionally, the connecting portion 81 includes a connecting column 811 and a plurality of guiding sheets 812, the connecting column 811 is provided with a through hole 8111, the rotating shaft 83 passes through the through hole 8111 to be inserted into the rotating shaft hole 311, and the plurality of guiding sheets 812 are arranged on the outer surface of the connecting column 811 in a spaced-apart manner. Specifically, the connection column 811 is opened with a through hole 8111 so as to pass through the through hole 8111 through the rotation shaft 83 to be inserted into the rotation shaft hole 311 of the blade part 31, thereby ensuring the stability of the rotational connection between the rotating bracket 80 and the propeller 30. In addition, the rotating bracket 80 may further include a fixing screw 84, the fixing screw 84 is inserted into the through hole 8111 of the connecting portion 81 and abuts against and is limited by one side of the connecting portion 81, and one end of the fixing screw 84 inserted into the through hole 8111 of the connecting portion 81 is in threaded connection with the rotating shaft 83, so as to ensure stability of the rotating shaft 83 after installation. The plurality of guide pieces 812 are arranged on the outer surface of the connecting column 811 in a surrounding manner at intervals, so that gaps are formed between the guide pieces 812 to facilitate water flow to pass through, and the guide pieces 812 in all directions are balanced in stress due to the arrangement at intervals to ensure the guiding effect. It will be appreciated that the guide plate 812 is arranged in an arc such that the water flow is guided to flow faster by arranging a plurality of guide plates 812 to improve the propelling effect of the propeller 100. The specific number of the guiding sheets 812 can be selected by those skilled in the art, and will not be described herein.

In an embodiment of the present application, referring to fig. 6, the motor rotor 40 forms a potting layer 50 on an outer wall of the propeller 30 by means of potting, so that the motor rotor 40 and the propeller 30 are an integrated structure; specifically, this electric motor rotor 40 can form encapsulating layer 50 so that electric motor rotor 40 and screw 30 structure as an organic whole at the outer wall of screw 30 through the embedment mode, so this forming process is comparatively convenient and comparatively stable, and can not damage electric motor rotor 40, guarantees the water-proof effects to electric motor rotor 40 simultaneously to improve the security of screw 30 in the use. Of course, the motor rotor 40 may also be integrally formed by welding or injection molding, which may be selected by those skilled in the art and will not be described herein.

Alternatively, the paddle portion 31 and the support portion 32 are of unitary construction; the paddle portion 31 and the support portion 32 may be formed as an integral structure by injection molding or the like. Namely, the overall structural strength of the propeller 30 is ensured, and the assembling process of the propeller 30 is omitted, thereby improving the overall assembling efficiency of the propeller 100.

Alternatively, the support portion 32 is annularly disposed to enclose an accommodating space 321 with two open ends, and the paddle portion 31 is connected to a surface of the support portion 32 in the accommodating space 321. Specifically, the supporting portion 32 is annularly disposed so as to facilitate an operator to hold the propeller 30 during installation, and meanwhile, the motor rotor 40 can be circumferentially arranged along the outer surface of the supporting portion 32 at intervals so as to better rotate in relative coupling with the motor stator 20. And this paddle portion 31 is located the surface connection of accommodation space 321 with supporting part 32 to can guarantee the area of contact of paddle portion 31 and supporting part 32, in order to guarantee the stability that both are connected, make paddle portion 31 be located accommodation space 321 simultaneously, and then avoid paddle portion 31 to expose and receive the striking easily and damage, in order to improve the holistic life of screw 30.

In an embodiment of the present application, referring to fig. 7, the motor stator 20 is disposed at a side of the housing 10 facing the mounting channel 11. Specifically, this motor stator 20 sets up in one side of casing 10 towards installation passageway 11, so that motor stator 20 is more close to motor rotor 40 to in order to improve the relative coupling pivoted effect of both, so that motor rotor 40 can drive screw 30 better and rotate, and then guarantee propeller 100's propulsion effect.

Further, the motor stator 20 is of an integral structure with the housing 10. Wherein, in order to further guarantee that motor stator 20 is fixed in the stability of casing 10, this motor stator 20 can form one deck encapsulating layer 50 through the mode of embedment so that it and casing 10 structure as an organic whole to guarantee the stability after motor stator 20 installs, guarantee the waterproof nature to motor stator 20 with the colleague, with the life who improves motor stator 20, and saved extra installation flow. Of course, the motor stator 20 may also be welded or injection molded with the housing 10 as a single structure, and may be selected by those skilled in the art, and will not be described herein.

In an embodiment of the present application, a mounting cavity is provided in the housing 10, and the motor stator 20 is disposed in the mounting cavity. Wherein, this casing 10 is inside to be formed with the installation cavity to can install motor stator 20 in the installation cavity, with stability and waterproof nature after guaranteeing motor stator 20 installation, protect motor stator 20 simultaneously, with the normal life who guarantees motor stator 20. In addition, this casing 10 can be seted up two and irritate and seal 13 to after motor stator 20 locates the installation intracavity, operating personnel can be through carrying out the injecting glue embedment to the installation intracavity from a pouring seal 13 department, when glue spills over the back from another pouring seal 13, then show this motor stator 20 embedment integrated into one piece in the installation intracavity of casing 10 this moment. Of course, the motor stator 20 may also be fixed by providing another fixing structure in the mounting cavity, so as to also ensure the stability of the motor stator 20 after being mounted in the mounting cavity.

Further, referring to fig. 1, the outer wall surface of the housing 10 is provided with a plug port 12 electrically connected to the mounting cavity. Wherein, the outer wall of this casing 10 is seted up the grafting port 12 of intercommunication installation cavity, and this grafting port 12 and motor stator 20 electrical property intercommunication simultaneously to the user's accessible is pegged graft in this grafting port 12 department with power connection, for motor stator 20 supplies power, thereby makes motor stator 20 produce the magnetic field and then drive motor rotor 40 and rotate. The plug port 12 is disposed on an outer wall surface of the housing 10 to facilitate connection between a user and a power source, thereby improving convenience of user operation.

In an embodiment of the present application, referring to fig. 1 and 4, the propeller 100 further includes a flow guide cover 60, the installation channel 11 has a water inlet 111 and a water outlet 112, and the flow guide cover 60 is connected to the propeller 30 and located at one end of the water outlet 112. In order to further improve the effect of the propeller 100 pushing water flow, the flow guide cover 60 may be connected to the propeller 30, and the flow guide cover 60 is located at one end of the water outlet 112 of the propeller 30, so as to guide the water flow to flow out toward the water outlet 112 more quickly. And this drainage cover 60 can be connected in screw 30 through buckle or threaded connection etc. detachable mode to the later stage is maintained the change to drainage cover 60, and this drainage cover 60 can be the conical setting, and the surface of drainage cover 60 can be the setting of rounding off cambered surface, with the guide effect that further improves drainage cover 60. In addition, a handling hole 61 can be formed in the drainage cover 60, so that an operator can drive the drainage cover 60 to be connected to the propeller 30 by inserting an external tool into the handling hole 61 during installation, the operation of the operator is facilitated, and the installation efficiency is improved.

The utility model discloses still provide a water operation equipment, this water operation equipment includes propeller 100, and above-mentioned embodiment is referred to this propeller 100's specific structure, because this water operation equipment 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. Wherein, the water running equipment can be an electric surfboard, a water motorcycle or a small boat and the like.

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

1. A propeller, comprising:

the shell surrounds and forms an installation channel with two open ends;

the motor stator is fixedly arranged on the shell;

the propeller is at least partially arranged in the mounting channel; and

2. The propeller of claim 1, wherein the motor rotor ring is disposed on a circumferential outer wall of the propeller, the propeller being received in the mounting channel.

3. The propeller as recited in claim 2, wherein said propeller includes a blade portion and a support portion circumferentially surrounding said blade portion, said motor rotor being annularly disposed on a surface of said support portion facing away from said blade portion, one of said blade portion or said support portion being rotatably coupled to said housing.

4. The propeller as claimed in claim 3, wherein the motor rotor is formed with a potting layer on an outer wall of the propeller by potting so that the motor rotor and the propeller are integrated;

and/or the blade part and the supporting part are of an integral structure;

and/or, the supporting part is the annular setting in order to enclose and close and form both ends open-ended accommodation space, paddle portion with the supporting part is located surface connection in the accommodation space.

5. The propeller of any one of claims 1 to 4, wherein the motor stator is disposed on a side of the housing facing the mounting channel.

6. The propeller of claim 5, wherein the motor stator is of unitary construction with the housing.

7. The propeller of claim 5, wherein a mounting cavity is provided in the housing, the motor stator being disposed in the mounting cavity.

8. The propeller as recited in claim 7, wherein the outer wall surface of the housing defines a plug port electrically connected to the mounting cavity.

9. The propeller of any one of claims 1 to 4, further comprising a flow directing hood, the mounting channel having a water inlet and a water outlet, the flow directing hood being connected to the propeller and located at one end of the water outlet.

10. A water craft comprising a propeller as claimed in any one of claims 1 to 9.