CN220410869U

CN220410869U - Surfboard hydrofoil assembly

Info

Publication number: CN220410869U
Application number: CN202321854247.0U
Authority: CN
Inventors: 何钦胜; 张世华
Original assignee: Hangzhou Yuanchong Intelligent Technology Co ltd
Current assignee: Hangzhou Yuanchong Intelligent Technology Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-01-30
Anticipated expiration: 2033-07-13

Abstract

The utility model relates to a surfboard hydrofoil assembly, and belongs to the field of surfboards. The utility model comprises a brushless motor, a front wing fixing frame, a tail wing fixing rod, a paddle mechanism and an electric regulating box, wherein the front wing fixing frame is arranged on a front motor end cover of the brushless motor, the tail wing fixing rod and the paddle mechanism are both arranged on a rear motor end cover of the brushless motor, the electric regulating box is arranged in the front wing fixing frame and is connected with the brushless motor, and the electric regulating box is structurally characterized in that: the rear motor end cover is provided with an outlet structure, the outlet structure comprises outlet sealing rings, outlet connecting plates and outlet pressing plates, the number of the outlet sealing rings is multiple, the outlet sealing rings are arranged on the outlet connecting plates, and the outlet sealing rings are arranged on the rear motor end cover through the outlet pressing plates.

Description

Surfboard hydrofoil assembly

Technical Field

The utility model relates to a surfboard hydrofoil assembly, and belongs to the field of surfboards.

Background

The surfboard is water entertainment equipment, because it uses in water for a long time consequently needs to have higher waterproof nature, and brushless motor in the surfboard is controlled through electric accent box, and electric accent box and brushless motor need be connected through the cable, often at present the cable overcoat dress sealing washer in order to improve its waterproof nature, but current sealing washer most independent setting, need install respectively, simultaneously because the outer wall of sealing washer is mostly cylindric structure setting, consequently can't be fixed the cable, lock, be difficult to guarantee its sealing performance.

The brushless motor is used for providing power for the surfing board, the brushless motor shell and the end cover in the prior art are often installed by adopting a single-step structure, when the single-step structure is adopted for installation, the sealing ring is fixed on a step, when the motor end cover is installed into the motor shell, a first screw hole arranged on the motor shell can scratch the lip of the sealing ring, so that the sealing is invalid (because the inside of the fixed screw hole of the motor shell is difficult to chamfer due to the problem of the production process, sharp corners are formed); meanwhile, as the reinforcing structure is not arranged on the outer side of the rotor of the brushless motor in the prior art, when the rotor rotates at a high speed, centrifugal force is generated, so that the neodymium magnet is separated from the silicon steel sheet of the rotor, and the motor is blocked.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide the surfboard hydrofoil assembly with reasonable structural design.

The utility model solves the problems by adopting the following technical scheme: this surfboard hydrofoil assembly, including brushless motor, front wing mount, fin dead lever, paddle mechanism and electricity transfer the box, front wing mount sets up on brushless motor's front motor end cover, fin dead lever and paddle mechanism all set up on brushless motor's rear motor end cover, the electricity transfers the box setting in front wing mount, and the electricity transfers the box to be connected with brushless motor, its structural feature lies in: the rear motor end cover is provided with an outlet structure, the outlet structure comprises outlet sealing rings, outlet connecting plates and outlet pressing plates, the number of the outlet sealing rings is multiple, the outlet sealing rings are arranged on the outlet connecting plates, and the outlet sealing rings are arranged on the rear motor end cover through the outlet pressing plates. The plurality of outlet sealing rings are integrated through the outlet connecting plates, so that the installation rate of the outlet sealing rings can be improved.

Further, the brushless motor comprises a motor housing, a stator, a rotor and a motor shaft, wherein two motor end covers are respectively arranged at two ends of the motor housing, the stator is arranged in the motor housing, the motor shaft is arranged on the rotor, the rotor is matched with the stator, the number of the motor end covers is two, and the two motor end covers are respectively a front motor end cover and a rear motor end cover. The surfboard hydrofoil assembly can be powered by a brushless motor.

Further, a first housing step and a second housing step are arranged on the motor housing, a first end cover step and a second end cover step are arranged on the motor end cover, the first housing step is matched with the first end cover step, and the second housing step is matched with the second end cover step. The first shell step, the second shell step, the first end cover step and the second end cover step are arranged, so that the sealing ring can be conveniently installed, and the sealing ring is prevented from being scratched.

Further, the front wing fixing frame comprises a front wing fixing frame upper cover and a front wing fixing frame lower cover, the electric adjusting box is arranged in a cavity formed by the front wing fixing frame upper cover and the front wing fixing frame lower cover, the front wing fixing frame upper cover is provided with a front wing main body, and the tail wing fixing rod is provided with a tail wing main body.

Further, the blade mechanism comprises a blade protection cover, a blade main body and a blade net cover, wherein the blade protection cover is arranged on the rear motor end cover, the blade net cover is arranged on the blade protection cover, the blade main body is arranged in a cavity formed by the blade protection cover and the blade net cover, and the blade main body is connected with a motor shaft of the brushless motor. The blade body can be driven to rotate through the motor shaft.

Further, the number of the outlet sealing rings is three, and the outer walls of the outlet sealing rings are arranged in a truncated cone-shaped structure. The cable can be fixed and sealed through the outgoing line sealing ring, and the cable can be conveniently locked in the radial direction by arranging the outer wall of the outgoing line sealing ring to be in a circular truncated cone shape.

Further, a sealing groove is formed in the first end cover step, and a sealing ring is arranged in the sealing groove and is in contact with the first shell step.

Further, a first screw hole is formed in the second housing step, a second screw hole is formed in the second end cover step, and the first screw hole is matched with the second screw hole. When the first screw hole is overlapped with the second screw hole, the motor shell and the motor end cover can be locked.

Further, the first housing step has an inner diameter smaller than an inner diameter of the second housing step, and the first end cap step has an outer diameter smaller than an outer diameter of the second end cap step. The first housing step and the first end cover step form a first step structure, and the second housing step and the second end cover step form a second step structure.

Further, carbon fibers are wound outside the rotor. The separation of the neodymium magnet on the rotor from the silicon steel sheet can be avoided.

Compared with the prior art, the utility model has the following advantages: the wire outlet structure is convenient for a cable to pass through the motor end cover, a plurality of wire outlet sealing rings are integrated into a whole through the wire outlet connecting plate, the wire outlet sealing rings can be conveniently installed, the outer wall of the wire outlet sealing rings is arranged into a round table shape, and when the cable passes through the wire outlet sealing rings, the cable and the wire outlet sealing rings can be locked through the wire outlet pressing plate so as to ensure the tightness and the stability of the cable.

The brushless motor adopts a double-step structure, the first step structure comprises a first housing step and a first end cover step, the second step structure comprises a second housing step and a second end cover step, the sealing ring is arranged at the first step structure, the first screw hole is arranged at the second step structure, and when the motor end cover is installed inside the motor housing, the height of the sealing ring on the first step structure is lower than that of the first screw hole on the second step structure, so that the sealing ring can be prevented from being scratched; the outside of the rotor is reinforced by winding carbon fiber, so that the neodymium magnet can be prevented from being separated from the silicon steel sheet due to centrifugal force generated by high-speed rotation of the rotor.

Drawings

Figure 1 is a schematic view of the explosive structure of a surfboard hydrofoil assembly of an embodiment of the present utility model.

Figure 2 is a schematic view of the explosive structure of a surfboard hydrofoil assembly of an embodiment of the present utility model.

Figure 3 is a schematic cross-sectional view of a surfboard hydrofoil assembly of an embodiment of the present utility model.

Fig. 4 is a schematic perspective view of a brushless motor according to an embodiment of the utility model.

Fig. 5 is an enlarged schematic view of the B portion in fig. 4.

Fig. 6 is an exploded view of a brushless motor according to an embodiment of the present utility model.

Fig. 7 is a schematic cross-sectional view of a brushless motor according to an embodiment of the utility model.

Fig. 8 is an enlarged schematic view of the portion a in fig. 7.

Fig. 9 is a schematic perspective view of a brushless motor according to an embodiment of the utility model.

In the figure: brushless motor 1, front wing fixing frame 2, tail wing fixing rod 3, blade mechanism 4, electric regulating box 5, outlet structure 6,

Motor housing 11, motor end cap 12, stator 13, rotor 14, motor shaft 15, first housing step 16, second housing step 17, first end cap step 18, second end cap step 19, seal groove 110, seal ring 111, first screw hole 112, second screw hole 113, carbon fiber 114, and,

Front wing fixing frame upper cover 21, front wing fixing frame lower cover 22,

A tail body 31,

Blade shield 41, blade body 42, blade mesh enclosure 43,

An outgoing line sealing ring 61, an outgoing line connecting plate 62 and an outgoing line pressing plate 63.

Detailed Description

The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.

Examples

Referring to fig. 1 to 9, it should be understood that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are shown only for the purpose of understanding and reading by those skilled in the art, and are not intended to limit the applicable limitations of the present utility model, so that any structural modification, change in proportion, or adjustment of size does not have any technical significance, and all fall within the scope of the technical content of the present utility model without affecting the efficacy and achievement of the present utility model. In the meantime, if the terms such as "upper", "lower", "left", "right", "middle" and "a" are used in the present specification, they are merely for convenience of description, but are not intended to limit the scope of the present utility model, and the relative relation changes or modifications are considered to be within the scope of the present utility model without substantial modification of the technical content.

The surfboard hydrofoil assembly in the embodiment comprises a brushless motor 1, a front wing fixing frame 2, a tail wing fixing rod 3, a blade mechanism 4 and an electric regulating box 5, wherein the front wing fixing frame 2 is arranged on a front motor end cover of the brushless motor 1, the tail wing fixing rod 3 and the blade mechanism 4 are arranged on a rear motor end cover of the brushless motor 1, the electric regulating box 5 is arranged in the front wing fixing frame 2, and the electric regulating box 5 is connected with the brushless motor 1.

The rear motor end cover in this embodiment is provided with an outlet structure 6, the outlet structure 6 includes an outlet sealing ring 61, an outlet connecting plate 62 and an outlet pressing plate 63, the number of the outlet sealing rings 61 is plural, the plurality of outlet sealing rings 61 are all arranged on the outlet connecting plate 62, the outlet sealing rings 61 are arranged on the rear motor end cover through the outlet pressing plate 63, the number of the outlet sealing rings 61 is three, and the outer wall of the outlet sealing ring 61 is in a circular truncated cone structure.

The brushless motor 1 in this embodiment includes a motor housing 11, a stator 13, a rotor 14 and a motor shaft 15, two ends of the motor housing 11 are respectively provided with a motor end cover 12, the motor shaft 15 is arranged on the motor end cover 12 through a bearing, the stator 13 is arranged in the motor housing 11, the motor shaft 15 is arranged on the rotor 14, the rotor 14 is matched with the stator 13, carbon fibers 114 are wound outside the rotor 14, the number of the motor end covers 12 is two, and the two motor end covers 12 are respectively a front motor end cover and a rear motor end cover.

The motor housing 11 in this embodiment is provided with a first housing step 16 and a second housing step 17, the motor end cover 12 is provided with a first end cover step 18 and a second end cover step 19, the first housing step 16 is mated with the first end cover step 18, and the second housing step 17 is mated with the second end cover step 19.

The first end cover step 18 in this embodiment is provided with a seal groove 110, a seal ring 111 is provided in the seal groove 110, the seal ring 111 contacts with the first housing step 16, the second housing step 17 is provided with a first screw hole 112, the second end cover step 19 is provided with a second screw hole 113, the first screw hole 112 is matched with the second screw hole 113, the inner diameter of the first housing step 16 is smaller than the inner diameter of the second housing step 17, and the outer diameter of the first end cover step 18 is smaller than the outer diameter of the second end cover step 19.

The front wing fixing frame 2 in this embodiment includes a front wing fixing frame upper cover 21 and a front wing fixing frame lower cover 22, the electric adjusting box 5 is disposed in a cavity formed by the front wing fixing frame upper cover 21 and the front wing fixing frame lower cover 22, a front wing main body is disposed on the front wing fixing frame upper cover 21, and a tail wing main body 31 is disposed on the tail wing fixing rod 3.

The blade mechanism 4 in this embodiment includes a blade protector 41, a blade body 42 and a blade guard 43, the blade protector 41 is disposed on the rear motor end cover, the blade guard 43 is disposed on the blade protector 41, the blade body 42 is disposed in a cavity formed by the blade protector 41 and the blade guard 43, and the blade body 42 is connected with the motor shaft 15 of the brushless motor 1.

Specifically, the surfboard hydrofoil assembly is provided with the wire outlet structure 6 on the rear motor end cover, so that the electric regulating box 5 and the brushless motor 1 can be connected with a cable to achieve the sealing and fixing effects, the wire outlet sealing ring 61 is made of silica gel, the outer walls of the three wire outlet sealing rings 61 are arranged in a truncated cone-shaped structure, the upper part of the outer diameter of the wire outlet sealing ring 61 is small, the lower part of the outer diameter of the wire outlet sealing ring is large, and the diameters of three through holes in the wire outlet pressing plate 63 are smaller than the diameters of the lower parts of the three wire outlet sealing rings 61, so that when the cable is inserted into the wire outlet sealing ring 61, the wire outlet pressing plate 63 passes through the cable and the wire outlet sealing ring 61, the lower parts of the wire outlet sealing rings 61 and the cable can be locked in the radial direction, and meanwhile, the pressing plate screws 64 positively lock the wire outlet pressing plate 63 and the wire outlet sealing ring 61.

The brushless motor is provided with a double step structure, namely, a first step structure and a second step structure by being arranged between the motor housing 11 and the motor end cover 12, the first step structure is composed of a first housing step 16 and a first end cover step 18, and the second step structure is composed of a second housing step 17 and a second end cover step 19.

Wherein the sealing ring 111 is disposed in the sealing groove 110 of the first end cap step 18, the first screw hole 112 is disposed in the second end cap step 19, when the motor end cap 12 is mounted on the motor housing 11, since the inner diameter of the first housing step 16 is smaller than the inner diameter of the second housing step 17, the outer diameter of the first end cap step 18 is smaller than the outer diameter of the second end cap step 19, so that the height of the sealing ring 111 is lower than the first screw hole 112, thereby avoiding scratching the sealing ring 111, and if no double-step structure is provided, the sealing failure is caused due to the sharp right angle of the first screw hole 112 during the processing, and the motor end cap 12 and the motor housing 11 can be fixed through the first screw hole 112 and the second screw hole 113.

The rotor 14 is wound and reinforced by the carbon fiber 114, so that the phenomenon that the neodymium magnet is separated from the silicon steel sheet to cause the motor to be blocked when the carbon fiber 114 rotates at a high speed to generate centrifugal force can be avoided, and therefore, the carbon fiber 114 reinforcing material is required to be tightly wound outside the neodymium magnet.

In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present utility model. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a surfboard hydrofoil assembly, includes brushless motor (1), front wing mount (2), fin dead lever (3), paddle mechanism (4) and electricity transfer box (5), front wing mount (2) set up on the front motor end cover of brushless motor (1), fin dead lever (3) and paddle mechanism (4) all set up on the rear motor end cover of brushless motor (1), electricity transfer box (5) set up in front wing mount (2), and electricity transfer box (5) are connected with brushless motor (1), its characterized in that: the novel electric motor is characterized in that an outgoing line structure (6) is arranged on the rear motor end cover, the outgoing line structure (6) comprises outgoing line sealing rings (61), outgoing line connecting plates (62) and outgoing line pressing plates (63), the number of the outgoing line sealing rings (61) is multiple, the outgoing line sealing rings (61) are all arranged on the outgoing line connecting plates (62), and the outgoing line sealing rings (61) are arranged on the rear motor end cover through the outgoing line pressing plates (63).

2. The surfboard hydrofoil assembly of claim 1, wherein: brushless motor (1) includes motor housing (11), stator (13), rotor (14) and motor shaft (15), motor housing (11) both ends respectively are provided with motor end cover (12), stator (13) set up in motor housing (11), motor shaft (15) set up on rotor (14), rotor (14) and stator (13) cooperation, motor end cover (12) quantity is two, and two motor end covers (12) are preceding motor end cover and rear motor end cover respectively.

3. The surfboard hydrofoil assembly of claim 2, wherein: the motor is characterized in that a first housing step (16) and a second housing step (17) are arranged on the motor housing (11), a first end cover step (18) and a second end cover step (19) are arranged on the motor end cover (12), the first housing step (16) is matched with the first end cover step (18), and the second housing step (17) is matched with the second end cover step (19).

4. The surfboard hydrofoil assembly of claim 1, wherein: the front wing fixing frame (2) comprises a front wing fixing frame upper cover (21) and a front wing fixing frame lower cover (22), the electric regulating box (5) is arranged in a cavity formed by the front wing fixing frame upper cover (21) and the front wing fixing frame lower cover (22), a front wing main body is arranged on the front wing fixing frame upper cover (21), and a tail wing main body (31) is arranged on the tail wing fixing rod (3).

5. The surfboard hydrofoil assembly of claim 1, wherein: the blade mechanism (4) comprises a blade protection cover (41), a blade main body (42) and a blade net cover (43), wherein the blade protection cover (41) is arranged on a rear motor end cover, the blade net cover (43) is arranged on the blade protection cover (41), the blade main body (42) is arranged in a cavity formed by the blade protection cover (41) and the blade net cover (43), and the blade main body (42) is connected with a motor shaft (15) of the brushless motor (1).

6. The surfboard hydrofoil assembly of claim 1, wherein: the number of the outgoing line sealing rings (61) is three, and the outer wall of the outgoing line sealing rings (61) is in a circular truncated cone structure.

7. A surfboard hydrofoil assembly according to claim 3, characterized in that: a sealing groove (110) is formed in the first end cover step (18), a sealing ring (111) is arranged in the sealing groove (110), and the sealing ring (111) is in contact with the first shell step (16).

8. A surfboard hydrofoil assembly according to claim 3, characterized in that: the second housing step (17) is provided with a first screw hole (112), the second end cover step (19) is provided with a second screw hole (113), and the first screw hole (112) is matched with the second screw hole (113).

9. A surfboard hydrofoil assembly according to claim 3, characterized in that: the inner diameter of the first housing step (16) is smaller than the inner diameter of the second housing step (17), and the outer diameter of the first end cover step (18) is smaller than the outer diameter of the second end cover step (19).

10. The surfboard hydrofoil assembly of claim 2, wherein: carbon fibers (114) are wound outside the rotor (14).