High-speed brushless motor capable of avoiding hair blockage

Abstract

The utility model discloses a high-speed brushless motor capable of avoiding hair blockage, which comprises a brushless motor shell, and the brushless motor shell is mounted in a hair dryer. A stator assembly is contained in the brushless motor shell, the stator assembly is connected with blades through a rotating shaft, the rotating shaft penetrates through a center through hole to form a rotating mechanism, air guide pieces are fixed to the interior of the brushless motor shell at equal intervals, plastic bosses are fixed to the right end of the stator assembly at equal angles, and the stator assembly is connected with the blades through the rotating shaft. A binding post is arranged at the right end of the plastic boss, diversion trenches are symmetrically formed in the left end of the brushless motor shell, and the outer portions of the diversion trenches are attached to the opening of the inner wall of the rubber sleeve. The high-speed brushless motor capable of avoiding hair blockage is provided with the rubber sleeve, and hair is driven by airflow generated by the blades to enter the rubber sleeve to be collected, so that the purpose of collecting the hair can be achieved, and then the hair is prevented from being wound around other parts of the shell of the brushless motor.

Description

Technical Field

[0001] The utility model relates to the technical field of high-speed brushless motors, in particular to a high-speed brushless motor which can avoid hair clogging. Background Art

[0002] High-speed brushless motors are widely used in various hair dryer products, especially in the high-end hair dryer market. Their advantages are that they can provide stronger airflow, higher energy conversion efficiency, longer service life and lower noise level. These advantages make hair dryer high-speed brushless motors a popular choice in the market;

[0003] The reference publication number is CN216627729U, which is a hair-tangle-proof motor assembly used in a hair dryer. The motor base has a base accommodating cavity that is open to the front and is formed inside the motor base. The front end of the motor base is screwed with an auxiliary bracket on the front end side of the base accommodating cavity. The stator, rotor, and drive shaft are embedded in the base accommodating cavity. The rotor is fastened to the periphery of the drive shaft, and the stator is clamped and fixed between the motor base and the auxiliary bracket. The front end side of the auxiliary bracket is equipped with an air supply impeller, which includes an impeller shaft, an impeller curved surface, and impeller blades. The impeller curved surface covers the front end of the auxiliary bracket, and the front end of the drive shaft is clamped and fixed in the shaft through hole of the impeller shaft. The rear surface of the impeller curved surface is provided with a protective ring that protrudes backward and is in the shape of a circular ring, and the protective ring is sleeved on the periphery of the drive shaft. Through the above-mentioned structural design, the utility model has the advantages of novel structural design, good stability and reliability, and can effectively prevent hair from being entangled in the drive shaft. However, the following problems still exist:

[0004] In actual use of the above device, although the protective ring is used to prevent hair from getting entangled, the protective ring will seal the outer drive shaft to prevent hair from entering through sealing. However, the hair will be blown to other parts of the motor through the protective ring, causing the hair to get entangled in other parts of the motor, which may then cause blockage.

[0005] Therefore, we proposed a high-speed brushless motor that avoids hair clogging to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a high-speed brushless motor that avoids hair clogging, so as to solve the problem proposed in the above background technology that a protective ring on the current market will seal the driving outer shaft to prevent hair from entering through sealing, but the hair will be blown to other parts of the motor through the protective ring, so that other parts of the motor may be entangled with hair, which may then cause clogging.

[0007] To achieve the above object, the utility model provides the following technical solution: a high-speed brushless motor that avoids hair clogging, comprising a brushless motor housing, the brushless motor housing being installed inside a hair dryer;

[0008] Also includes:

[0009] The interior of the brushless motor housing accommodates a stator assembly, and the stator assembly is connected to the blades through a rotating shaft, and the rotating shaft passes through the central through hole to form a rotating mechanism, the interior of the brushless motor housing is evenly fixed with air guide plates, and the right end of the stator assembly is fixed with plastic bosses at equal angles, and the right end of the plastic boss is provided with a terminal, the left end of the brushless motor housing is symmetrically provided with guide grooves, and the outside of the guide grooves is fitted with the opening of the inner wall of the rubber sleeve, and the rubber sleeve is nested and fixed on the outer wall of the brushless motor housing, the central through hole is penetrated through the annular core, and the stator assembly is contained in the annular core.

[0010] Preferably, the interior of the rubber sleeve is hollow, and the symmetrical ends of the rubber sleeve are provided with openings, and the rubber sleeve is made of silicone rubber material.

[0011] Preferably, the guide groove is arranged in parallel with the blades, and there is a gap between the blades and the guide groove.

[0012] Preferably, through holes are formed on the annular core at equal intervals, and a collecting groove is formed between the annular core and the air guide plate.

[0013] Preferably, the collecting tank contains a baffle plate, and the baffle plate is arranged in an annular shape, and the left and right ends of the baffle plate are arranged as openings, the outer wall of the baffle plate is fixed between the air guide plate and the annular core, and the baffle plate is arranged in a trapezoidal shape.

[0014] Preferably, bumps are fixed inside the rubber sleeve, and the bumps are fixed inside the rubber sleeve in a ring-shaped manner with equal intervals.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the high-speed brushless motor that avoids hair clogging can collect hair and improve the collection effect, the rubber sleeve can collect hair, thereby preventing hair from being entangled in other parts of the brushless motor housing, and the collection groove can further collect hair, thereby improving the collection effect. The specific contents are as follows:

[0016] (1) A rubber sleeve is provided, and the airflow generated by the blades drives the hair into the rubber sleeve for collection, thereby achieving the purpose of collecting the hair and preventing the hair from being entangled with other parts of the brushless motor housing;

[0017] (2) A collecting groove is provided, through which excess hair can be collected, so that the hair can be stored in the collecting groove, thereby further improving the effect of collecting hair;

[0018] (3) A rubber sleeve is provided, the interior of the rubber sleeve is hollow, and openings are provided at the symmetrical ends of the rubber sleeve, and the rubber sleeve is made of silicone rubber material, so that the rubber sleeve can have high temperature resistance, thereby increasing the service life of the rubber sleeve;

[0019] (4) A protrusion is provided, and the protrusion is fixed inside the rubber sleeve, and the protrusion is fixed inside the rubber sleeve in an annular shape with equal spacing, so that the protrusion can allow hair to be entangled and collected, thereby preventing broken hair from escaping from the inside of the rubber sleeve;

[0020] (5) A baffle plate is provided, and the baffle plate is contained inside the collecting groove, and the baffle plate is arranged in a ring shape, and the left and right ends of the baffle plate are arranged in an opening shape, and the outer wall of the baffle plate is fixed between the air guide plate and the annular core body, and the baffle plate is arranged in a trapezoidal shape, so that the baffle plate can prevent the broken hair from escaping from the collecting groove through the airflow, thereby improving the effect of the collecting groove in storing the broken hair. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0022] Figure 2 This is a side view of the structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the main structure of the annular core of the utility model;

[0024] Figure 4 This is a schematic diagram of the cross-sectional structure of the annular core of the utility model;

[0025] Figure 5 This is a schematic diagram of the cross-sectional structure of the rubber sleeve of the utility model;

[0026] Figure 6 This is a schematic diagram of the main structure of the stator assembly of the utility model.

[0027] In the figure: 1. Brushless motor housing; 2. Rotating shaft; 3. Blades; 4. Stator assembly; 5. Plastic boss; 6. Terminal block; 7. Air guide vane; 8. Guide groove; 9. Rubber sleeve; 10. Bump; 11. Ring core; 12. Center through hole; 13. Baffle plate; 14. Collecting tank. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Embodiment 1:

[0030] The utility model solves the problem that the existing protective ring will seal the driving outer shaft to prevent the entry of hair through the sealing, but the hair will be blown to other parts of the motor through the protective ring, so that other parts of the motor may be entangled with hair, which may cause blockage. The rubber sleeve 9 can collect and store broken hair, thereby preventing broken hair from being entangled in other parts of the high-speed brushless motor. The utility model discloses:

[0031] The brushless motor housing 1 is installed inside the hair dryer; and further includes: a stator assembly 4 is accommodated inside the brushless motor housing 1, and the stator assembly 4 is connected to the blade 3 through a rotating shaft 2, and the rotating shaft 2 passes through the central through hole 12 to form a rotating mechanism, and air guide blades 7 are fixed at equal intervals inside the brushless motor housing 1, and a plastic boss 5 is fixed at equal angles on the right end of the stator assembly 4, and a terminal 6 is arranged on the right end of the plastic boss 5, and a guide groove 8 is symmetrically opened on the left end of the brushless motor housing 1, and the outer side of the guide groove 8 The rubber sleeve 9 is fitted with the opening of the inner wall of the rubber sleeve 9, and the rubber sleeve 9 is nested and fixed on the outer wall of the brushless motor housing 1, the central through hole 12 is penetrated and opened on the annular core 11, and the annular core 11 contains the stator assembly 4, the inside of the rubber sleeve 9 is hollow, and the symmetrical ends of the rubber sleeve 9 are provided with openings, and the rubber sleeve 9 is made of silicone rubber material, and the inside of the rubber sleeve 9 is fixed with a convex block 10, and the convex block 10 is fixed in the inside of the rubber sleeve 9 in an equidistant annular shape, the guide groove 8 is parallel to the blade 3, and there is a gap between the blade 3 and the guide groove 8;

[0032] refer to Figure 1 , Figure 2 , Figure 5 and Figure 6When the hair dryer is used, the stator assembly 4 is driven to rotate by electric current, and then the stator assembly 4 rotates and drives the blades 3 to rotate at high speed through the rotating shaft 2, thereby driving the air to generate a high-speed airflow, and then the airflow can be blown onto the hair to dry the hair, and the air inlet will cause the entry of broken hair due to the circulation of air. After the broken hair enters the brushless motor housing 1, the rotation of the blades 3 generates centrifugal force, so that the blades 3 will blow the broken hair through the guide groove 8 to the inside of the rubber sleeve 9, and then the flowing wind will wrap the hair around the protrusion 10, so as to prevent the broken hair from escaping from the inside of the rubber sleeve 9 due to the circulation of gas, and then the broken hair can be collected by the rubber sleeve 9, thereby preventing the broken hair from wrapping around the rotating shaft 2;

[0033] Embodiment 2:

[0034] The utility model solves the problem that the broken hair in the first embodiment may not enter the inside of the rubber sleeve 9 due to the airflow, and the excess broken hair can be collected and stored through the collection groove 14, and discloses:

[0035] The annular core 11 is provided with through holes at equal intervals, and a collecting groove 14 is formed between the annular core 11 and the air guide plate 7;

[0036] refer to Figure 3 and Figure 4 , and a small part of the remaining broken hair will enter the collecting groove 14 between the annular core 11 and the air guide plate 7 due to the blowing of the airflow, and the remaining broken hair can be collected through the collecting groove 14, and the gas can pass through the annular core 11, thereby preventing the gas from blowing out the broken hair inside the collecting groove 14, thereby achieving the purpose of storing the broken hair, and further improving the anti-entanglement effect;

[0037] Embodiment three:

[0038] The utility model solves the problem that the broken hair in the collecting tank 14 in the second embodiment may be separated from the collecting tank 14 due to the flow of airflow. The blocking plate 13 can stably store the broken hair in the collecting tank 14.

[0039] The collecting tank 14 contains a baffle plate 13 in an annular shape, and the left and right ends of the baffle plate 13 are open. The outer wall of the baffle plate 13 is fixed between the air guide plate 7 and the annular core 11, and the baffle plate 13 is arranged in a trapezoidal shape.

[0040] refer to Figure 3 and Figure 4 After the broken hair is blown to the collecting groove 14 by the airflow, it will pass through the blocking plate 13. The blocking plate 13 can block the broken hair, thereby preventing the airflow from driving the broken hair out of the collecting groove 14, thereby improving the effect of storing the broken hair, thereby increasing the service life of the high-speed brushless motor.

[0041] Working principle: When using this high-speed brushless motor to avoid hair clogging, first, refer to Figure 1 , Figure 2 , Figure 5 and Figure 6 When the hair dryer is used, the stator assembly 4 is driven to rotate by electric current, and then the stator assembly 4 rotates to drive the blades 3 to rotate at high speed through the rotating shaft 2, and then the air flow can be blown onto the hair to dry the hair, and the air inlet will cause the entry of broken hair due to the circulation of air. After the broken hair enters the brushless motor housing 1, the blades 3 will blow the broken hair through the guide groove 8 to the inside of the rubber sleeve 9, and then the flowing wind will wrap the hair around the protrusion 10, and then the broken hair can be collected through the rubber sleeve 9, thereby preventing the broken hair from being wrapped around the rotating shaft 2;

[0042] refer to Figure 3 and Figure 4 , and a small part of the remaining broken hair will enter the collecting groove 14 between the annular core 11 and the air guide plate 7 due to the blowing of the airflow, and the gas can pass through the annular core 11, thereby preventing the gas from blowing out the broken hair inside the collecting groove 14, thereby achieving the purpose of storing the broken hair, and further improving the anti-entanglement effect;

[0043] refer to Figure 3 and Figure 4 After the broken hair is blown to the collecting slot 14 by the airflow, it will pass through the blocking plate 13. The blocking plate 13 can block the broken hair, thereby improving the effect of storing the broken hair, thereby increasing the service life of the high-speed brushless motor.

[0044] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0045] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-speed brushless motor for preventing hair clogging, comprising a brushless motor housing (1), wherein the brushless motor housing (1) is installed inside a hair dryer; It is characterized in that Also includes: The brushless motor housing (1) contains a stator assembly (4) therein, and the stator assembly (4) is connected to the blades (3) via a rotating shaft (2), and the rotating shaft (2) passes through a central through hole (12) to form a rotating mechanism, air guide plates (7) are fixed at equal intervals inside the brushless motor housing (1), and a plastic boss (5) is fixed at equal angles on the right end of the stator assembly (4), and a terminal (6) is provided on the right end of the plastic boss (5), a guide groove (8) is symmetrically provided on the left end of the brushless motor housing (1), and the outside of the guide groove (8) is arranged to fit the opening of the inner wall of the rubber sleeve (9), and the rubber sleeve (9) is nested and fixed on the outer wall of the brushless motor housing (1), and the central through hole (12) passes through the annular core (11), and the stator assembly (4) is contained in the annular core (11).

2. A high-speed brushless motor for avoiding hair clogging according to claim 1, characterized in that: The interior of the rubber sleeve (9) is hollow, and the symmetrical ends of the rubber sleeve (9) are provided with openings, and the rubber sleeve (9) is made of silicone rubber material.

3. A high-speed brushless motor for avoiding hair clogging according to claim 1, characterized in that: The guide groove (8) and the blade (3) are arranged in parallel, and a gap exists between the blade (3) and the guide groove (8).

4. A high-speed brushless motor for avoiding hair clogging according to claim 1, characterized in that: The annular core (11) is provided with through holes at equal intervals, and a collecting groove (14) is formed between the annular core (11) and the air guide plate (7).

5. A high-speed brushless motor for avoiding hair clogging according to claim 4, characterized in that: The collecting tank (14) contains a baffle plate (13) inside, and the baffle plate (13) is arranged in an annular shape, and the left and right ends of the baffle plate (13) are arranged in an open shape, the outer wall of the baffle plate (13) is fixed between the air guide plate (7) and the annular core (11), and the baffle plate (13) is arranged in a trapezoidal shape.

6. A high-speed brushless motor for avoiding hair clogging according to claim 1, characterized in that: The rubber sleeve (9) is provided with a protrusion (10) fixed inside, and the protrusion (10) is fixed inside the rubber sleeve (9) in a ring-shaped manner with equal intervals.

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