Motor with novel waterproof structure

Abstract

A motor with a novel waterproof structure disclosed by the utility model comprises a casing, a stator assembly, a PCB and a waterproof cover, the waterproof cover is provided with a first accommodating cavity and a second accommodating cavity, the first accommodating cavity is used for accommodating part of the stator assembly, the second accommodating cavity is used for accommodating the PCB, the first accommodating cavity and the second accommodating cavity are separated by a partition plate, and the partition plate is used for accommodating the PCB. The first containing cavity and / or the second containing cavity are / is filled with UV glue, the waterproof cover is additionally arranged to conduct waterproof sealing on the PCB end of the motor, then the UV glue is combined to fill the gap between the PCB and the second containing cavity of the waterproof cover to further enhance the waterproof effect, vacuum nanometer waterproof coating is conducted on the surfaces of the machine shell and the stator assembly, and the waterproof and anti-corrosion performance is good. And the service life of the motor is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of motors, in particular to a motor with a novel waterproof structure. Background Art

[0002] A motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. Motors are mainly used in situations where wind or suction is required, such as hair dryers, smart toilets, hand dryers, bathroom drying appliances, vacuum cleaners and other household appliances. The operating environment of these appliances may be relatively humid, and the motor will inevitably come into contact with water vapor during use. In particular, the acidic and alkaline water vapor in the bathroom is highly corrosive to the motor body and copper wire. During long-term use, the motor copper wire is prone to oxidation and short-circuiting, which will eventually affect the life of the motor. Utility Model Content

[0003] In order to overcome the shortcomings and deficiencies of the prior art, the utility model provides a motor with a novel waterproof structure, which solves the technical problem that the prior motors will be exposed to acidic and alkaline water vapor during use, corroding the motor body and copper wire, and easily causing oxidation short circuit of the motor copper wire, which ultimately affects the life of the motor.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions: a motor with a novel waterproof structure, comprising a casing, a stator assembly, a PCB, and a waterproof cover, wherein the waterproof cover has a first cavity and a second cavity, wherein the first cavity is used to accommodate part of the stator assembly, and the second cavity is used to accommodate the PCB, wherein the first cavity and the second cavity are separated by a partition, and a UV adhesive layer is poured into the first cavity and / or the second cavity.

[0005] Preferably, the surface of the stator assembly and / or the housing has a coating layer.

[0006] Preferably, the coating layer is a vacuum nano waterproof coating layer.

[0007] Preferably, the coating layer has a thickness of 0.003-0.01 mm.

[0008] Preferably, the partition is provided with a wire hole.

[0009] Preferably, the stator assembly comprises a stator core, one end of the stator core has a protrusion protruding from the casing, and the protrusion is placed in the first cavity.

[0010] Preferably, the housing has a receiving cavity for receiving the stator assembly, and the inner side of the peripheral wall of the first receiving cavity is sealed and fitted with the outer wall of the receiving cavity.

[0011] Preferably, the waterproof cover is made of plastic.

[0012] Preferably, the UV adhesive layer fills the gap between the second cavity and the PCB, and the motor accommodating cavity of the housing is a closed cavity.

[0013] Preferably, it further includes a rotor assembly, a rotating shaft, and fan blades. The casing includes an inner casing and an outer casing. An air duct is formed between the inner casing and the outer casing. At least one air guide blade is arranged in the air duct. One end of the air guide blade is connected to the inner casing, and the other end of the air guide blade is connected to the outer casing.

[0014] Compared with the prior art, the beneficial effects obtained by the utility model are:

[0015] The utility model discloses a motor with a novel waterproof structure, comprising a housing, a stator assembly, a PCB, and a waterproof cover, wherein the waterproof cover has a first cavity and a second cavity, wherein the first cavity is used to accommodate part of the stator assembly, and the second cavity is used to accommodate the PCB, wherein the first cavity and the second cavity are separated by a partition, wherein UV glue is poured into the first cavity and / or the second cavity, and the PCB end of the motor is waterproofed and sealed by adding the waterproof cover, and the gap between the PCB and the second cavity of the waterproof cover is filled with UV glue to further enhance the waterproof effect, thereby solving the technical problem that the existing motor will be exposed to acidic and alkaline water vapor during use, corroding the motor body and copper wire, and easily causing oxidation short circuit of the motor copper wire, which ultimately affects the life of the motor, and has the beneficial effects of good overall waterproof effect of the motor and prolonged service life;

[0016] The surface of the casing and the iron core of the stator assembly is treated with a vacuum nano-waterproof coating to form a uniform isolation layer on the surface, which effectively isolates water vapor, enhances the corrosion resistance of the casing and the stator core, and effectively prevents water vapor, oil pollution, acid and alkaline gases. It has the advantages of corrosion resistance, wear resistance and temperature change resistance. The optimal coating thickness is 0.003-0.01mm, which can achieve the anti-corrosion effect without affecting the coordinated use of the motor, and has the best economic benefits. It solves the technical problem that the existing motor is easily corroded by water vapor and acid and alkaline gases, which affects the service life of the motor. It has the beneficial effects of strong corrosion resistance and extended motor service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0018] Figure 1 The utility model shows a partial cross-sectional view of a motor with a novel waterproof structure.

[0019] Figure 2 The utility model shows a schematic diagram of a waterproof cover of a motor with a novel waterproof structure.

[0020] Figure 3 The utility model shows a cross-sectional view of a motor with a novel waterproof structure.

[0021] Figure numerals: 1- housing; 11- inner housing; 12- outer housing; 2- stator assembly; 3- PCB; 4- waterproof cover; 41- first cavity; 42- second cavity; 43- partition; 431- wire hole; 5- UV adhesive layer. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with the drawings and specific embodiments of the specification, but the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Example 1

[0024] Please see attached Figure 1 To Attachment Figure 3 A motor with a novel waterproof structure includes a housing 1, a stator assembly 2, a PCB 3, a waterproof cover 4, a rotor assembly, a rotating shaft, and a fan blade. The housing 1 includes an inner housing 11 and an outer housing 12. An air duct is formed between the inner housing 11 and the outer housing 12. At least one wind guide blade is arranged in the air duct. The housing 1 has a receiving cavity for receiving the stator assembly 2. The stator assembly 2 includes a stator core, and one end of the stator core has a protrusion protruding from the housing 1. The waterproof cover 4 has a first cavity 41 and a second cavity 42. The protrusion is placed in the first cavity 41, and the inner side of the peripheral wall of the first cavity 41 is sealed with the outer wall of the cavity, so that an independent sealing structure is formed inside the motor. The second cavity 42 is used to accommodate the PCB3. The first cavity 41 and the second cavity 42 are separated by a partition 43, and the partition 43 is provided with a wire hole 431. The second cavity 42 is filled with a UV adhesive layer 5; the UV adhesive layer 5 fills the gap between the second cavity 42 and the PCB3, and the motor cavity of the casing 1 is a closed cavity.

[0025] Furthermore, the surfaces of the stator assembly 2 and the housing 1 have a vacuum nano-waterproof coating layer, and the vacuum nano-waterproof coating layer is specifically a PGO vacuum coating layer, which is superimposed with multiple layers of microstructured chemical substances.

[0026] Furthermore, the thickness of the coating layer is 0.003 mm.

[0027] Furthermore, the waterproof cover 4 is made of plastic.

[0028] Example 2

[0029] Please see attached Figure 1 To Attachment Figure 3 , please see the attached Figure 1 To Attachment Figure 3 A motor with a novel waterproof structure includes a housing 1, a stator assembly 2, a PCB 3, a waterproof cover 4, a rotor assembly, a rotating shaft, and a fan blade. The housing 1 includes an inner housing 11 and an outer housing 12. An air duct is formed between the inner housing 11 and the outer housing 12. At least one wind guide blade is arranged in the air duct. The housing 1 has a receiving cavity for receiving the stator assembly 2. The stator assembly 2 includes a stator core, and one end of the stator core has a protrusion protruding from the housing 1. The waterproof cover 4 has a first cavity 41 and a second cavity 42. The protrusion is placed in the first cavity 41, and the inner side of the peripheral wall of the first cavity 41 is sealed with the outer wall of the cavity, so that an independent sealing structure is formed inside the motor. The second cavity 42 is used to accommodate the PCB3. The first cavity 41 and the second cavity 42 are separated by a partition 43, and the partition 43 is provided with a wire hole 431. The second cavity 42 is filled with a UV adhesive layer 5; the UV adhesive layer 5 fills the gap between the second cavity 42 and the PCB3, and the motor cavity of the casing 1 is a closed cavity.

[0030] Furthermore, the surface of the stator assembly 2 or the housing 1 has a vacuum nano waterproof coating layer, and the vacuum nano waterproof coating layer is specifically a PGO vacuum coating layer, which is superimposed with multiple layers of microstructured chemical substances.

[0031] Furthermore, the thickness of the coating layer is 0.01 mm.

[0032] Furthermore, the waterproof cover 4 is made of plastic.

[0033] The above examples are only specific embodiments of the present invention. Obviously, the present invention is not limited to the above examples, and there are many similar modifications. All modifications that can be directly derived or associated with the content disclosed by ordinary technicians in this field should be considered as the scope of protection of the present invention.

Claims

1. A motor with a novel waterproof structure, characterized in that: The invention comprises a housing (1), a stator assembly (2), a PCB (3), and a waterproof cover (4); the waterproof cover (4) comprises a first cavity (41) and a second cavity (42); the first cavity (41) is used to accommodate part of the stator assembly (2); the second cavity (42) is used to accommodate the PCB (3); the first cavity (41) and the second cavity (42) are separated by a partition (43); and a UV adhesive layer (5) is poured into the first cavity (41) and / or the second cavity (42).

2. The motor with a novel waterproof structure as claimed in claim 1, characterized in that: The surface of the stator assembly (2) and / or the housing (1) has a coating layer.

3. The motor with a novel waterproof structure as claimed in claim 2, characterized in that: The coating layer is a vacuum nano waterproof coating layer.

4. The motor with a novel waterproof structure as claimed in claim 2, characterized in that: The thickness of the coating layer is 0.003-0.01 mm.

5. The motor with a novel waterproof structure as claimed in claim 1, characterized in that: The partition plate (43) is provided with a wire hole (431).

6. The motor with a novel waterproof structure as claimed in claim 1, characterized in that: The stator assembly (2) comprises a stator core, one end of the stator core having a protrusion protruding from the housing (1), and the protrusion is placed in the first cavity (41).

7. The motor with a novel waterproof structure as claimed in claim 1, characterized in that: The housing (1) has a receiving cavity for receiving the stator assembly (2), and the inner side of the peripheral wall of the first receiving cavity (41) is sealed and fitted with the outer wall of the receiving cavity.

8. The motor with a novel waterproof structure as claimed in claim 1, characterized in that: The waterproof cover (4) is made of plastic.

9. The motor with a novel waterproof structure as claimed in claim 1, characterized in that: The UV adhesive layer (5) fills the gap between the second cavity (42) and the PCB (3), and the motor accommodating cavity of the housing (1) is a closed cavity.

10. The motor with a novel waterproof structure as claimed in claim 1, characterized in that: It also comprises a rotor assembly, a rotating shaft, and fan blades. The casing (1) comprises an inner casing (11) and an outer casing (12). An air duct is formed between the inner casing (11) and the outer casing (12), and at least one air guide blade is arranged in the air duct.

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