CN110994865B

CN110994865B - Waterproof dustproof motor

Info

Publication number: CN110994865B
Application number: CN201911379326.9A
Authority: CN
Inventors: 铃木一史
Original assignee: Shenzhen Infinite Sky Technology Co ltd
Current assignee: Shenzhen Infinite Sky Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2021-07-30
Anticipated expiration: 2039-12-27
Also published as: CN110994865A

Abstract

The invention relates to the technical field of motor water and dust prevention, and discloses a water and dust prevention motor, which comprises: a housing having an opening at one end; one end of the output shaft is embedded in the shell, and the other end of the output shaft penetrates through the opening of the shell and is used for transmitting the output torque of the waterproof and dustproof motor; the waterproof and dustproof assembly is arranged at one end of the shell and used for sealing the top opening of the shell so as to prevent water or dust from entering the shell. The casing provides drive power, and drive output shaft rotates, has realized the rotation of motor, and waterproof dustproof subassembly plays waterproof dustproof effect, makes things convenient for the open-top of sealed housing, effectively prevents water or dust and then in the casing, has strengthened the waterproof dustproof performance of motor.

Description

Waterproof dustproof motor

Technical Field

The invention relates to the technical field of water and dust prevention of motors, in particular to a water and dust prevention motor.

Background

The motor is widely applied to various industries, such as fields of unmanned aerial vehicles, metallurgy, mines, papermaking and the like. The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The motor is mainly used for generating driving torque, serving as a power source of electric appliances or various machines and converting electric energy into mechanical energy.

In the prior art, most of motors used by small-sized aviation airplanes (unmanned aerial vehicles and the like) are not completely waterproof and dustproof, and the problem that seawater, sewage and agricultural chemicals invade the interior of the motors also exists. In addition, the motor on the market at present cannot prevent fine dust due to the problem of simple structure, has short service life in agriculture, desert and the like, and gradually deteriorates with the passage of time. Therefore, more gaps exist in the traditional motor structure, the motor cannot be effectively waterproof and dustproof when in use, the motor is easily caused to have a short-circuit fault due to water inflow, the motor is further damaged, and the service life of the motor is shortened.

Therefore, how to waterproof and dustproof the motor becomes an urgent technical problem to be solved.

Disclosure of Invention

The invention aims to solve the technical problem of how to carry out water and dust prevention on a motor.

Therefore, according to a first aspect, an embodiment of the present invention discloses a waterproof and dustproof motor, including: a housing having an opening at one end; one end of the output shaft is embedded in the shell, and the other end of the output shaft penetrates through the opening of the shell and is used for transmitting the output torque of the waterproof and dustproof motor; the waterproof and dustproof assembly is arranged at one end of the shell and used for sealing the top opening of the shell so as to prevent water or dust from entering the shell.

The present invention is further configured such that the waterproof and dustproof assembly includes: the waterproof dustproof shaft is sleeved on the outer side of the output shaft and detachably connected with the output shaft, and one end of the waterproof dustproof shaft is in running fit with the shell.

The invention is further provided that the shell is provided with an annular bulge, and the waterproof and dustproof shaft is provided with a first rotating block which is in rotating fit with the annular bulge.

The invention is further arranged in that an annular groove is arranged on the shell, and an annular block which is in running fit with the annular groove is arranged on the waterproof and dustproof shaft.

The invention is further arranged that the level of one end of the annular projection is higher than the level of one end of the shell close to the annular projection.

The invention is further arranged that the annular groove is filled with viscous oil.

The invention further provides that the housing comprises: the shell is of a hollow structure, and two ends of the shell are open; the base is arranged at one end of the shell, is fixedly connected with the shell and is used for sealing the bottom opening of the shell.

The invention is further provided that the base is provided with a mounting hole for mounting the waterproof and dustproof motor on an external unmanned aerial vehicle, and the inner wall of the mounting hole is provided with an internal thread.

The invention is further provided that the number of the mounting holes is four.

The invention is further provided that four mounting holes are symmetrically distributed on the base.

The invention has the following beneficial effects: provide drive power through the casing, and then the drive output shaft rotates, has realized the rotation of motor, and waterproof dustproof subassembly plays waterproof dustproof effect, makes things convenient for the open-top of sealed housing, effectively prevents water or dust and then in the casing, has strengthened the waterproof dustproof performance of motor.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of a waterproof and dustproof motor according to an embodiment of the present invention;

fig. 2 is an exploded view of a waterproof and dustproof motor according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a waterproof and dustproof motor according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a waterproof and dustproof shaft of a waterproof and dustproof motor disclosed in an embodiment of the present invention.

Reference numerals: 1. a housing; 11. an annular projection; 12. an annular groove; 13. a housing; 14. a base; 141. mounting holes; 2. an output shaft; 3. a waterproof and dustproof assembly; 31. a waterproof and dustproof shaft; 32. a first rotating block; 33. a ring block; 4. mounting a plate; 5. a bearing; 6. and a cable hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The embodiment of the invention discloses a waterproof and dustproof motor, as shown in figure 1, comprising: the device comprises a shell 1, an output shaft 2 and a waterproof and dustproof assembly 3, wherein an opening is formed in one end of the shell 1; one end of the output shaft 2 is embedded in the shell 1, the other end of the output shaft 2 penetrates through the opening of the shell 1, and the output shaft 2 is used for transmitting the output torque of the waterproof and dustproof motor; waterproof dustproof subassembly 3 sets up in the one end of casing 1, and waterproof dustproof subassembly 3 is used for the open-top of sealed casing 1 to prevent that water or dust from getting into in the casing 1. In the specific implementation process, a bearing 5 which is in running fit with the output shaft 2 is arranged in the shell 1.

It should be noted that, casing 1 provides drive power, and drive output shaft 2 rotates, has realized the rotation of motor, and waterproof dustproof subassembly 3 plays waterproof dustproof effect, makes things convenient for the open-top of sealed casing 1, effectively prevents water or dust and then in casing 1, has strengthened the waterproof dustproof performance of motor.

As shown in fig. 2, the waterproof and dustproof assembly 3 includes: waterproof dustproof axle 31, waterproof dustproof axle 31 cover locate the outside of output shaft 2, and waterproof dustproof axle 31 can dismantle with output shaft 2 and be connected, its one end and casing 1 normal running fit.

Note that the waterproof and dustproof assembly 3 serves to prevent water and dust from entering the housing 1 by closing the opening of the housing 1 with the waterproof and dustproof shaft 31.

As shown in fig. 2, 3 and 4, the housing 1 is provided with an annular protrusion 11, and the waterproof and dustproof shaft 31 is provided with a first rotating block 32 which is rotatably engaged with the annular protrusion 11.

As shown in fig. 2 and 4, the housing 1 is provided with an annular groove 12, and the waterproof and dustproof shaft 31 is provided with an annular block 33 which is rotatably engaged with the annular groove 12. In the specific implementation process, the waterproof and dustproof shaft 31, the first rotating block 32 and the annular block 33 are of an integrally formed structure.

As shown in fig. 2, the level of one end of the annular projection 11 is higher than the level of the end of the housing 1 near the annular projection 11.

It should be noted that, because the level of one end of the annular protrusion 11 is higher than the level of the end of the housing 1 close to the annular protrusion 11, water or dust can be effectively prevented from entering the housing 1.

As shown in fig. 1 and 2, the annular groove 12 is filled with viscous oil.

It should be noted that the annular groove 12 is filled with viscous oil, which improves the performance of oil sealing by the viscous oil and enhances the waterproof and dustproof performance of the waterproof and dustproof assembly 3.

As shown in fig. 1 and 2, the housing 1 includes: the device comprises a shell 13 and a base 14, wherein the shell 13 is of an internal hollow structure, and two ends of the shell 13 are open; the base 14 is disposed at one end of the housing 13, the base 14 is fixedly connected to the housing 13, and the base 14 is used for closing the bottom opening of the housing 13. In the specific implementation process, the shell 13 and the annular protrusion 11 are of an integrally formed structure, one side of the shell 13 is provided with cable holes 6 for allowing external input cables to pass through conveniently, and the number of the cable holes 6 is 3.

The housing 13 is provided with a wrinkle for increasing a contact area with the outside air; the coil inside the housing 13 is coated with a thermally conductive grease having a heat resistant temperature of 200 ℃.

As shown in fig. 1 and 2, the base 14 is provided with a mounting hole 141 for mounting the waterproof and dustproof motor on the external unmanned aerial vehicle, and an inner thread is formed on the inner wall of the mounting hole 141.

As shown in fig. 1 and 2, the number of the mounting holes 141 is four. In a specific implementation, the number of the mounting holes 141 may be two, six, or more.

As shown in fig. 1 and 2, four mounting holes 141 are symmetrically distributed on the base 14.

As shown in fig. 1, the method further includes: the mounting plate 4 is arranged at one end of the output shaft 2, the mounting plate 4 is fixedly connected with the output shaft 2, and the mounting plate 4 is used for mounting an external unmanned aerial vehicle blade; the mounting plate 4 is provided with a threaded hole. In the specific implementation process, the number of the threaded holes can be two or four, and the waterproof and dustproof shaft 31 is provided with a thread groove corresponding to the threaded hole, so that screws or screws can be conveniently installed.

In addition, through the material of design motor organism, waterproof dustproof motor is used on unmanned aerial vehicle to also can not submerged by water at scenes such as sea, marsh.

The working principle is as follows: casing 1 provides drive power, and drive output shaft 2 rotates, has realized the rotation of motor, and waterproof dustproof subassembly 3 plays waterproof dustproof effect, through first rotating block 32 and the protruding 11 normal running fit of annular, annular piece 33 and ring channel 12 normal running fit have formed labyrinth structure, make things convenient for the open-top of sealed casing 1, effectively prevent water or dust and then in casing 1, have strengthened the waterproof dustproof performance of motor. Can make the waterproof dustproof aircraft that contacts and have high durability to the sea water nature frequently through using this motor, be fit for long-term operation in places such as desert that dust is many, can wash with the high-pressure squirt to keep the motor performance for a long time.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A waterproof dustproof motor, its characterized in that includes:

a housing (1) having an opening at one end thereof for providing driving power;

one end of the output shaft (2) is embedded in the shell (1), and the other end of the output shaft penetrates through the opening of the shell (1) and is used for transmitting the output torque of the waterproof and dustproof motor;

the waterproof and dustproof assembly (3) is arranged at one end of the shell (1) and is used for sealing the top opening of the shell (1) so as to prevent water or dust from entering the shell (1); the waterproof and dustproof assembly (3) includes: the waterproof and dustproof shaft (31) is sleeved on the outer side of the output shaft (2) and detachably connected with the output shaft (2), and one end of the waterproof and dustproof shaft is in running fit with the shell (1); be equipped with annular arch (11) on casing (1), be equipped with on waterproof dustproof axle (31) with the protruding (11) normal running fit's of annular first rotation piece (32), be equipped with ring channel (12) on casing (1), be equipped with on waterproof dustproof axle (31) with ring channel (12) normal running fit's annular piece (33).

2. The waterproof and dustproof motor according to claim 1, wherein the level of one end of the annular protrusion (11) is higher than the level of one end of the housing (1) close to the annular protrusion (11).

3. The waterproof and dustproof motor according to claim 1, wherein the annular groove (12) is filled with viscous oil.

4. The waterproof and dustproof motor according to any one of claims 1 to 3, wherein the housing (1) comprises:

a housing (13) having an internal hollow structure and opened at both ends;

the base (14) is arranged at one end of the shell (13), is fixedly connected with the shell (13) and is used for sealing the bottom opening of the shell (13).

5. The waterproof and dustproof motor according to claim 4, wherein the base (14) is provided with a mounting hole (141) for mounting the waterproof and dustproof motor on an external unmanned aerial vehicle, and an inner wall of the mounting hole (141) is provided with an internal thread.

6. The waterproof and dustproof motor according to claim 5, wherein the number of the mounting holes (141) is four.

7. The waterproof and dustproof motor according to claim 6, wherein four mounting holes (141) are symmetrically distributed on the base (14).