Fan structure with motor convenient to disassemble

Abstract

The utility model relates to the technical field of fans, in particular to a fan structure convenient for dismounting a motor, which is characterized in that a fixing sleeve is arranged on the back of a fan outer cover; inserting columns matched and connected with the fixing sleeves are arranged at the tail ends of the supporting columns; a stator is arranged in the insertion column; fan blades are rotationally connected into the fan outer cover; a rotating shaft is fixed on the fan blades; the rotating shaft is rotationally connected to the fan outer cover; and a magnetic ring which is coaxially arranged with the stator is fixed on the fan blade. When the fan is used, the rotor part and the fan blades are convenient to clean; and the stator and the rotor of the motor part are directly integrated in the fan shell structure and the fan blade structure respectively, so that the structure is optimized, materials are saved, and the assembly efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a fan structure convenient for motor disassembly. Background Art

[0002] A fan is a device that drives fan blades through a motor to accelerate air flow, mainly used for cooling and air circulation. The motor structure is the core component of the fan. In the existing fan structure, the stator and rotor of the motor are both arranged inside the inner housing of the motor; then the motor shaft extends out to be connected with the fan blades. In this fan structure, the waterproof performance of the motor is poor, and it is very inconvenient during disassembly and cleaning. Content of the Utility Model

[0003] The purpose of the utility model is to provide a fan structure convenient for motor disassembly in view of the defects and deficiencies of the prior art.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A fan structure convenient for motor disassembly described in the utility model includes a support column and a fan outer cover connected to the support column; a fixing sleeve is arranged on the back of the fan outer cover; a plug column matched with the fixing sleeve is arranged at the end of the support column; a stator is arranged inside the plug column; a fan blade is rotatably connected inside the fan outer cover; a rotating shaft is fixed on the fan blade; the rotating shaft is rotatably connected to the fan outer cover; a magnetic ring coaxially arranged with the stator is fixed on the fan blade.

[0006] Further, a round sleeve is arranged on the front end face of the fixing sleeve; a bearing is arranged inside the round sleeve; the rotating shaft is inserted and fixed in the inner ring of the bearing; the outer ring of the bearing is fixed on the inner side wall of the round sleeve; a housing sleeved outside the fixing sleeve is fixed on the fan blade; the magnetic ring is fixed on the housing; a rotating shaft hole is arranged on the housing; the rotating shaft is fixed in the rotating shaft hole.

[0007] Further, a base is arranged at the bottom of the support column.

[0008] Further, the fan outer cover is composed of a front cover, a rear cover and a connecting ring connected between the front cover and the rear cover; the front cover and the rear cover are respectively screwed and connected to the front and rear end faces of the connecting ring; the fixing sleeve is arranged on the rear cover.

[0009] Further, the fixing sleeve and the rear cover are integrally formed.

[0010] Further, a plurality of first buckles and a plurality of second buckles are respectively arranged at the front and rear ends of the connecting ring; a plurality of front card slots are arranged on the front mask; a plurality of rear card slots are arranged on the rear mask; the first buckles are used in pair with the front card slots; the first buckles are buckled and fixed in the front card slots; the second buckles are used in pair with the rear card slots; the second buckles are buckled and fixed on the rear card slots.

[0011] After adopting the above structure, the beneficial effects of the present utility model are as follows: when the present utility model is used, the insertion post and the fixed sleeve are connected and fixed integrally through interference fit; the detachable connection and fixation are realized through the plastic deformation of the insertion post and the fixed sleeve itself; the magnetic ring is the rotor and is directly fixed on the fan blade; while the stator wound with coils is installed inside the insertion post, and through the cooperation of the energized stator and the magnetic ring, the magnetic ring, the fan blade and the rotating shaft rotate relative to the fan housing; in this structure, the stator as the connection circuit is installed on the support post, and the magnetic ring as the rotor is directly integrated in the fan blade, so that the rotor part together with the fan blade can be detached from the stator, which is convenient for cleaning the rotor part and the fan blade; moreover, the stator and the rotor of the motor part are respectively directly integrated in the shape of the fan housing structure and the shape of the fan blade structure, which optimizes the structure, saves materials and improves the assembly efficiency. Description of the Drawings

[0012] Figure 1 is the structural schematic diagram of the present utility model;

[0013] Figure 2 is the exploded view of the present utility model;

[0014] Figure 3 is the sectional view of the present utility model;

[0015] Figure 4 is the structural diagram of the connection between the rear mask and the fan blade part;

[0016] Figure 5 is the sectional view of the housing with a magnetic ring integrated inside;

[0017] Figure 6 is the structural diagram of the support post;

[0018] Figure 7 is the structural diagram of the front mask;

[0019] Figure 8 is the structural diagram of the rear mask;

[0020] Figure 9 is the structural diagram of the connecting ring;

[0021] Description of the Reference Numerals:

[0022] 1. Support post; 101. Base; 102. Insertion post; 2. Front mask; 201. Front card slot;

[0023] 3. Rear cover; 301. Fixed sleeve; 302. Circular sleeve; 303. Rear card slot; 4. Connecting ring;

[0024] 401. First buckle; 402. Second buckle; 5. Stator; 6. Magnetic ring; 7. Fan blade;

[0025] 8. Housing; 801. Rotating shaft hole; 9. Rotating shaft; 10. Bearing. Detailed implementation manner

[0026] The present utility model will be further described below in conjunction with the accompanying drawings.

[0027] As shown in Figures 1 to 9 a fan structure for facilitating the disassembly of a motor according to the present utility model includes a support column 1 and a fan outer cover connected to the support column 1; a fixed sleeve 301 is provided on the back of the fan outer cover; a plug post 102 is provided at the end of the support column 1 and is in fit connection with the fixed sleeve 301; a stator 5 is provided inside the plug post 102; a fan blade 7 is rotatably connected inside the fan outer cover; a rotating shaft 9 is fixed on the fan blade 7; the rotating shaft 9 is rotatably connected to the fan outer cover; a magnetic ring 6 coaxially arranged with the stator 5 is fixed on the fan blade 7;

[0028] The plug post 102 and the fixed sleeve 301 are fixedly integrated through interference fit; the detachable connection and fixation are realized through the plastic deformation of the plug post 102 and the fixed sleeve 301 itself;

[0029] The magnetic ring 6 is a rotor and is directly fixed on the fan blade 7; the stator 5 wound with coils is installed inside the plug post 102, and through the cooperation of the energized stator 5 and the magnetic ring 6, the magnetic ring 6, the fan blade 7 and the rotating shaft 9 rotate relative to the fan outer cover; in this structure, the stator 5 as the connection circuit is installed on the support column 1, and the magnetic ring 6 as the rotor is directly integrated in the fan blade 7, so that the rotor part together with the fan blade can be detached from the stator, which is convenient for cleaning the rotor part and the fan blade; moreover, the stator and the rotor of the motor part are directly integrated in the shape of the fan housing structure and the shape of the fan blade structure respectively, optimizing the structure, saving materials and improving the assembly efficiency.

[0030] As a preferred mode of the present utility model, a circular sleeve 302 is provided on the front end face of the fixed sleeve 301; a bearing 10 is provided inside the circular sleeve 302; the rotating shaft 9 is inserted and fixed in the inner ring of the bearing 10; the outer ring of the bearing 10 is fixed on the inner side wall of the circular sleeve 302; a housing 8 sleeved outside the fixed sleeve 301 is fixed on the fan blade 7; the magnetic ring 6 is fixed on the housing 8; a rotating shaft hole 801 is provided on the housing 8; the rotating shaft 9 is fixed in the rotating shaft hole 801;

[0031] There is a uniform gap between the magnetic ring 6 and the outer ring of the fixed sleeve 301;

[0032] The housing 8 is equivalent to the outer shell of the motor rotor part and is used to protect the magnetic ring 6; after the magnetic ring 6, the fan blade 7, the housing 8 and the rotating shaft 9 are fixed into an integral structure, they are rotatably connected to the round sleeve 302 through the bearing 10.

[0033] As a preferred embodiment of the present invention, a base 101 is provided at the bottom of the support column 1.

[0034] As a preferred embodiment of the present invention, the fan outer cover is composed of a front cover 2, a rear cover 3 and a connecting ring 4 connected between the front cover 2 and the rear cover 3; the front cover 2 and the rear cover 3 are respectively screwed and connected to the front and rear end faces of the connecting ring 4; the fixed sleeve 301 is provided on the rear cover 3;

[0035] The front cover 2 and the rear cover 3 are respectively fixed on the connecting ring 4 by means of screwing, which is convenient for disassembly and assembly of the fan outer cover.

[0036] As a preferred embodiment of the present invention, the fixed sleeve 301 and the rear cover 3 are integrally formed.

[0037] As a preferred embodiment of the present invention, a plurality of first buckles 401 and a plurality of second buckles 402 are respectively provided at the front and rear ends of the connecting ring 4; a plurality of front card slots 201 are provided on the front cover 2; a plurality of rear card slots 303 are provided on the rear cover 3; the first buckles 401 are used in pair with the front card slots 201; the first buckles 401 are buckled and fixed in the front card slots 201; the second buckles 402 are used in pair with the rear card slots 303; the second buckles 402 are buckled and fixed on the rear card slots 303;

[0038] The front cover 2 and the rear cover 3 are both fixed on the connecting ring 4 by means of screwing, which is convenient for disassembly and assembly.

[0039] The above are only the preferred embodiments of the present invention, so all equivalent changes or modifications made according to the structures, features and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims

1. A fan structure that facilitates motor disassembly, characterized in that: The invention comprises a support column (1) and a fan cover connected to the support column (1); a fixing sleeve (301) is arranged on the back of the fan cover; a plug post (102) is arranged at the end of the support column (1) and is connected to the fixing sleeve (301); a stator (5) is arranged inside the plug post (102); a fan blade (7) is rotatably connected inside the fan cover; a rotating shaft (9) is fixed on the fan blade (7); the rotating shaft (9) is rotatably connected to the fan cover; and a magnetic ring (6) coaxially arranged with the stator (5) is fixed on the fan blade (7).

2. A fan structure for convenient motor disassembly according to claim 1, characterized in that: A circular sleeve (302) is arranged on the front end surface of the fixed sleeve (301); a bearing (10) is arranged inside the circular sleeve (302); the rotating shaft (9) is inserted and fixed in the inner ring of the bearing (10); the outer ring of the bearing (10) is fixed on the inner side wall of the circular sleeve (302); a shell (8) sleeved on the outside of the fixed sleeve (301) is fixed on the fan blade (7); the magnetic ring (6) is fixed on the shell (8); a rotating shaft hole (801) is arranged on the shell (8); and the rotating shaft (9) is fixed in the rotating shaft hole (801).

3. A fan structure for convenient motor disassembly according to claim 1, characterized in that: A base (101) is provided at the bottom of the support column (1).

4. A fan structure for convenient motor disassembly according to claim 1, characterized in that: The fan outer cover is composed of a front cover (2), a rear cover (3) and a connecting ring (4) connected between the front cover (2) and the rear cover (3); the front cover (2) and the rear cover (3) are respectively screwed and connected to the front and rear end surfaces of the connecting ring (4); and the fixing sleeve (301) is arranged on the rear cover (3).

5. The fan structure for convenient motor disassembly according to claim 1, characterized in that: The fixing sleeve (301) and the rear cover (3) are integrally formed.

6. A fan structure for convenient motor disassembly according to claim 4, characterized in that: The front and rear ends of the connecting ring (4) are respectively provided with a plurality of first buckles (401) and a plurality of second buckles (402); the front cover (2) is provided with a plurality of front snap-in slots (201); the rear cover (3) is provided with a plurality of rear snap-in slots (303); the first buckles (401) are used in pairs with the front snap-in slots (201); the first buckles (401) are snap-fastened in the front snap-in slots (201); the second buckles (402) are used in pairs with the rear snap-in slots (303); the second buckles (402) are snap-fastened on the rear snap-in slots (303).

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