Motor for fan

Abstract

The utility model relates to a motor for a fan, which comprises a motor body and a capacitor, the capacitor is connected with the motor body through a connecting wire, and the motor body comprises a casing and a stator. A fixing support is detachably installed on the rear end face of the machine shell, and a power line of the motor body is clamped and limited between the fixing support and the machine shell. The capacitor is provided with a positioning sheet, and the positioning sheet is buckled with the fixed support, thereby achieving the buckling and fixing between the capacitor and the fixed support. The motor is ingenious and reasonable in design and high in practicability, the capacitor and the fixing support are fixedly installed in a buckling mode, disassembly and assembly are convenient and easy, assistance of any tool is not needed, disassembly and assembly difficulty is effectively reduced, meanwhile, the power line is clamped between the fixing support and the motor body in a limited mode, wire clamps and screws do not need to be arranged, elements are saved, and cost is reduced. And actual disassembly and assembly are also facilitated, and the actual installation efficiency is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of motors, and in particular relates to a motor for a fan. Background Art

[0002] A fan motor is an electric motor used to drive a fan to rotate. Its function is to convert electrical energy into mechanical energy to generate wind. It is usually composed of a motor body, an impeller, and a bracket. The capacitor of an existing fan motor is generally fixed between a screw and a bracket, and the power cord of an existing fan motor is also fixed between a wire clamp and a screw and a bracket. Each time it is disassembled and assembled, a screwdriver or a wrench is required to operate the operation, making the disassembly and assembly process relatively cumbersome, affecting the actual work efficiency. Summary of the invention

[0003] The purpose of the utility model is to provide a technical solution for a fan motor in view of the deficiencies in the prior art. The design is ingenious and reasonable, and the practicability is strong. The capacitor and the fixed bracket are fixed by snap-fit ​​installation. The disassembly and assembly are convenient and simple, and no tools are required, which effectively reduces the difficulty of disassembly and assembly. At the same time, the power cord is limited and connected between the fixed bracket and the motor body. There is no need to set wire clamps and screws, which saves components, reduces costs, and is convenient for actual disassembly and assembly, effectively improving the actual installation efficiency.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A fan motor comprises a motor body and a capacitor, wherein the capacitor is connected to the motor body via a connecting line, and the motor body comprises a casing and a stator; a fixing bracket is detachably mounted on the rear end surface of the casing, and a power line of the motor body is clamped and limited between the fixing bracket and the casing; a positioning piece is arranged on the capacitor, and the positioning piece is buckled with the fixing bracket to realize the buckling and fixing between the capacitor and the fixing bracket; the capacitor and the fixing bracket are fixed by buckling, which is convenient and simple to disassemble and assemble, does not require the assistance of any tools, and effectively reduces the difficulty of disassembly and assembly; at the same time, the power line is limitedly clamped between the fixing bracket and the motor body, and there is no need to set wire clamps and screws, which saves components, reduces costs, and is convenient for actual disassembly and assembly, and effectively improves actual installation efficiency.

[0006] Furthermore, an extended card portion of an integrally formed structure is provided on the fixed bracket, and a card slot is formed between the extended card portion and the fixed bracket, and the card slot is used for clamping and limiting the power cord. The extended card portion and the fixed bracket are an integrally formed structure, which can ensure the overall structural strength and facilitate actual processing. At the same time, a card slot is formed between the extended card portion and the fixed bracket, and the power cord can be limited and clamped through the card slot, which makes installation and disassembly convenient. When installing the power cord, you only need to insert the power cord into the card slot, and after the fixed bracket is fixed to the casing, the opening of the card slot is limited, thereby effectively preventing the power cord from slipping out of the card slot during vibration and maintaining a stable connection of the power cord.

[0007] Furthermore, the fixed bracket includes a fixed plate one and a fixed plate two, and the fixed plate one is fixedly connected to the fixed plate two. The fixed plate one is fixedly connected to the casing by screws. The design is ingenious and reasonable. The fixed plate one is fixed to the casing by screws to realize the installation connection between the fixed bracket and the casing, and the screw fixation can ensure the firmness and reliability of the connection. The extended card portion is arranged on the fixed plate one.

[0008] Furthermore, two limit plates are symmetrically arranged on the fixed plate 2, and a slot with an opening at one end is formed between the two limit plates and the fixed plate 2. The positioning piece is inserted and limited into the slot from the opening, and a notch is arranged at the end of the limit plate close to the opening of the slot. The structural design is ingenious and reasonable, and the positioning piece is inserted and limited on the fixed plate 2 through the slot. The installation and disassembly are convenient and simple. The design of the notch can make it easier for the positioning piece to be smoothly inserted into the slot, which is more conducive to actual assembly.

[0009] Furthermore, a slot hole is provided on the second fixing plate, and the slot hole is provided between the two limiting plates. A supporting part and a limiting part are provided in the slot hole, and the supporting part and the limiting part are both located between the two limiting plates. A limiting protrusion is provided on the limiting part, and a limiting hole is provided on the positioning piece. The limiting protrusion is snapped into the limiting hole, and the positioning piece is buckled with the limiting plate. The supporting part and the limiting part can support and lift the bottom of the positioning piece inserted into the slot, so as to ensure the insertion stability and firmness of the positioning piece. At the same time, a limiting protrusion is provided on the limiting part, and the limiting protrusion is snapped into the limiting hole on the positioning piece, so as to firmly fix the positioning piece on the fixing bracket, effectively ensuring the buckling firmness and reliability between the capacitor and the fixing bracket, so that the capacitor will not loosen or fall off during the use of the motor, thereby improving the overall stability of the motor. The design is ingenious and reasonable, and the installation and disassembly are convenient and simple.

[0010] Furthermore, the top surface of the limiting protrusion is arranged as a slope, and the slope is arranged upward from the limiting part toward the supporting part. The inclined design of the top surface makes it easier for the limiting protrusion to slide into the limiting hole of the positioning plate, thereby reducing the difficulty of installation and improving the actual installation efficiency.

[0011] Furthermore, the casing includes a shell one and a shell two, the stator is arranged between the shell one and the shell two, the fixed bracket is fixedly connected to the shell two, and the casing adopts a split design, which divides the casing into shell one and shell two, which can facilitate the inspection and maintenance of the internal parts of the motor. At the same time, the stator is just exposed between the two shells. By exposing the stator peripherals, it is more conducive to the heat dissipation of the stator, ensuring low temperature rise, improving the heat dissipation performance of the motor, and avoiding overheating and burning of the stator.

[0012] Furthermore, a fixing ring 1 is provided on the shell 1, and a fixing ear 1 is provided on the fixing ring 1, a fixing ring 2 is provided on the shell 2, and a fixing ear 2 is provided on the fixing ring 2, the fixing ear 2 is matched with the fixing ear 1 one by one, and the bolt assembly passes through the fixing ear 2, the stator and the fixing ear 1 to fix the shell 1, the stator and the shell 2 together, the fixing ring 1, the fixing ear 1 and the shell 1 are an integrally formed structure, the fixing ring 2, the fixing ear 2 and the shell 2 are an integrally formed structure, which effectively ensures the overall structural strength, and through the fixing ear 1 and the fixing ear 2, and in conjunction with the through hole on the stator, the shell 1, the positioning and the shell 2 can be tightly connected and fixed by the bolt assembly, which effectively ensures the firmness and reliability of the overall structure after assembly and improves the stability of the motor operation.

[0013] Furthermore, a wire threading groove is provided on the second shell, and the wire threading groove is used for the outlet setting of the power cord and the connecting wire. The wire threading groove can facilitate the outlet setting of the power cord and the connecting wire from the shell, and is convenient for the installation and maintenance of the power cord and the connecting wire.

[0014] Furthermore, heat dissipation grooves are evenly arranged on the end surface of the housing 2 in a circumferential direction. The design of the heat dissipation grooves can enhance the heat dissipation performance of the motor and improve the stability and reliability of the motor during operation.

[0015] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0016] The structural design of the utility model is ingenious and reasonable, and it is highly practical. The capacitor and the fixed bracket are fixed by snap-fitting, which makes disassembly and assembly convenient and simple, without the assistance of any tools, effectively reducing the difficulty of disassembly and assembly. At the same time, the power cord limit card is connected between the fixed bracket and the motor body, and there is no need to set wire clamps and screws, which saves components, reduces costs, and is convenient for actual disassembly and assembly, effectively improving the actual installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the structure of a fan motor of the utility model;

[0019] Figure 2 for Figure 1A schematic diagram of the local enlarged structure at position I in the middle;

[0020] Figure 3 It is a schematic diagram of the connection structure of the buckle joint between the positioning piece and the fixed bracket in the utility model.

[0021] In the figure: 1-motor body; 2-capacitor; 3-connecting wire; 4-housing; 5-stator; 6-fixing bracket; 7-positioning plate; 8-extension card part; 9-card slot; 10-fixing plate 1; 11-fixing plate 2; 12-screw; 13-limiting plate; 14-notch; 15-slot hole; 16-support part; 17-limiting part; 18-limiting protrusion; 19-limiting hole; 20-housing 1; 21-housing 2; 22-fixing ring 1; 23-fixing ear 1; 24-fixing ring 2; 25-fixing ear 2; 26-bolt assembly; 27-threading groove; 28-heat dissipation groove; 29-power cord. DETAILED DESCRIPTION

[0022] like Figures 1 to 3 As shown, a fan motor of the utility model comprises a motor body 1 and a capacitor 2, the capacitor 2 is connected to the motor body 1 through a connecting line 3, and the motor body 1 comprises a casing 4 and a stator 5; a fixing bracket 6 is detachably mounted on the rear end surface of the casing 4, and a power line 29 of the motor body 1 is clamped and limited between the fixing bracket 6 and the casing 4; a positioning piece 7 is provided on the capacitor 2, and the positioning piece 7 is buckled with the fixing bracket 6 to realize the buckling and fixing between the capacitor 2 and the fixing bracket 6; the capacitor 2 and the fixing bracket 6 are fixed by buckling, which is convenient and simple to disassemble and assemble, and does not require the assistance of any tools, which effectively reduces the difficulty of disassembly and assembly. At the same time, the power line 29 is limited and clamped between the fixing bracket 6 and the motor body 1, and there is no need to set wire clamps and screws, which saves components, reduces costs, and is convenient for actual disassembly and assembly, effectively improving the actual installation efficiency.

[0023] An extended card portion 8 of an integrally formed structure is provided on the fixed bracket 6, and a card slot 9 is formed between the extended card portion 8 and the fixed bracket 6. The card slot 9 is used for the card connection and limiting of the power cord 29. The extended card portion 8 and the fixed bracket 6 are an integrally formed structure, which can ensure the overall structural strength and facilitate actual processing. At the same time, a card slot 9 is formed between the extended card portion 8 and the fixed bracket 6, and the power cord 29 can be limited and connected through the card slot 9, which is convenient for installation and disassembly. When installing the power cord 29, it is only necessary to insert the power cord 29 into the card slot 9, and after the fixed bracket 6 is fixed to the casing 4, the opening of the card slot 9 is limited, thereby effectively preventing the power cord 29 from slipping out of the card slot 9 during vibration, and maintaining a stable connection of the power cord 29.

[0024] The fixed bracket 6 includes a fixed plate 10 and a fixed plate 2 11. The fixed plate 10 is fixedly connected to the fixed plate 2 11. The fixed plate 10 is fixedly connected to the casing 4 by screws 12. The design is ingenious and reasonable. The fixed plate 10 is fixed to the casing 4 by screws 12 to achieve the installation connection between the fixed bracket 6 and the casing 4. The screw 12 fixation can ensure the firmness and reliability of the connection. The extended clamping part 8 is arranged on the fixed plate 10.

[0025] Two limiting plates 13 are symmetrically arranged on the fixing plate 11, and a slot with an opening at one end is formed between the two limiting plates 13 and the fixing plate 11. The positioning piece 7 is inserted and limited into the slot from the opening. A notch 14 is arranged at the end of the opening of the limiting plate 13 near the slot. The structural design is ingenious and reasonable. The positioning piece 7 is inserted and limited on the fixing plate 11 through the slot. The installation and disassembly are convenient and simple. The design of the notch 14 can make it easier for the positioning piece 7 to be smoothly inserted into the slot, which is more conducive to actual assembly.

[0026] The second fixing plate 11 is provided with a slot hole 15, which is arranged between the two limiting plates 13. A support portion 16 and a limiting portion 17 are arranged in the slot hole 15. The support portion 16 and the limiting portion 17 are both located between the two limiting plates 13. The support portion 16, the limiting portion 17 and the second fixing plate 11 are an integrally formed structure to ensure structural strength. A limiting protrusion 18 is arranged on the limiting portion 17, and a limiting hole 19 is arranged on the positioning sheet 7. The limiting protrusion 18 is snapped into the limiting hole 19 to buckle the positioning sheet 7 with the limiting plate 13. The support portion 16, The limiting portion 17 can support and lift the bottom of the positioning piece 7 inserted into the slot, ensuring the insertion stability and firmness of the positioning piece 7. At the same time, a limiting protrusion 18 is provided on the limiting portion 17, and the limiting protrusion 18 is snapped into the limiting hole 19 on the positioning piece 7, and the positioning piece 7 is firmly fixed on the fixing bracket 6, effectively ensuring the buckling firmness and reliability between the capacitor 2 and the fixing bracket 6, so that the capacitor 2 will not loosen or fall off during the use of the motor, and the overall stability of the motor is improved. The design is ingenious and reasonable, and the installation and disassembly are convenient and simple. The top surface of the limiting protrusion 18 is set as an inclined surface, and the inclined surface is set upward from the limiting portion 17 to the support portion 16. The inclined surface design of the top surface makes it easier for the limiting protrusion 18 to slide into the limiting hole 19 that is snapped into the positioning piece 7, reducing the difficulty of installation and improving the actual installation efficiency.

[0027] The casing 4 includes a shell 1 20 and a shell 2 21, the stator 5 is arranged between the shell 1 20 and the shell 2 21, and the fixed bracket 6 is fixedly connected to the shell 2 21. The casing 4 adopts a split design, and the casing 4 is split into the shell 1 20 and the shell 2 21, which can facilitate the inspection and maintenance of the internal parts of the motor. At the same time, the stator 5 is just exposed between the two shells. By exposing the external device of the stator 5, it is more conducive to the heat dissipation of the stator 5, ensuring low temperature rise, improving the heat dissipation performance of the motor, and avoiding overheating and burning of the stator 5. A fixing ring 1 22 is provided on the casing 1 20, and a fixing ear 1 23 is provided on the fixing ring 1 22. A fixing ring 24 is provided on the casing 21, and a fixing ear 25 is provided on the fixing ring 24. The fixing ear 25 and the fixing ear 1 23 are matched one by one. The bolt assembly 26 passes through the fixing ear 25, the stator 5 and the fixing ear 1 23 to fix the casing 1 20, the stator 5 and the casing 2 21 together. The fixing ring 1 22, the fixing ear 1 23 and the casing 1 20 are an integrally formed structure, and the fixing ring 24, the fixing ear 25 and the casing 2 21 are an integrally formed structure, which effectively ensures the overall structural strength. Through the fixing ear 1 23 and the fixing ear 25, and in conjunction with the through hole on the stator 5, the casing 1 20, the positioning and the casing 2 21 can be tightly connected and fixed by the bolt assembly 26, which effectively ensures the firmness and reliability of the overall structure after assembly and improves the stability of the motor operation.

[0028] The second housing 21 is provided with a threading groove 27, which is used for the power cord 29 and the connecting wire 3 to pass through. The threading groove 27 can facilitate the power cord 29 and the connecting wire 3 to pass through the housing 4, and facilitate the installation and maintenance of the power cord 29 and the connecting wire 3. The end surface of the second housing 21 is evenly provided with heat dissipation grooves 28 in the circumferential direction. The design of the heat dissipation grooves 28 can enhance the heat dissipation performance of the motor and improve the stability and reliability of the motor during operation.

[0029] The utility model has an ingenious and reasonable structural design and strong practicality. The capacitor 2 and the fixed bracket 6 are fixed by snap-fitting, which makes disassembly and assembly convenient and simple, without the assistance of any tools, effectively reducing the difficulty of disassembly and assembly. At the same time, the power cord 29 is limitedly connected between the fixed bracket 6 and the motor body 1, and there is no need to set a wire clamp and a screw 12, which saves components, reduces costs, and is convenient for actual disassembly and assembly, effectively improving the actual installation efficiency.

[0030] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present invention to achieve basically the same technical effects are all included in the protection scope of the present invention.

Claims

1. A fan motor, comprising a motor body and a capacitor, wherein the capacitor is connected to the motor body through a connecting line, and the motor body comprises a housing and a stator; Features: A fixing bracket is detachably mounted on the rear end surface of the housing, and the power line of the motor body is clamped and limited between the fixing bracket and the housing; The capacitor is provided with a positioning piece, and the positioning piece is buckled with the fixing bracket to achieve buckling and fixing between the capacitor and the fixing bracket.

2. A fan motor according to claim 1, characterized in that: The fixing bracket is provided with an extension clamping portion of an integrally formed structure, and a clamping slot is formed between the extension clamping portion and the fixing bracket, and the clamping slot is used for clamping and limiting the power cord.

3. A fan motor according to claim 1, characterized in that: The fixing bracket includes a fixing plate 1 and a fixing plate 2, wherein the fixing plate 1 is fixedly connected to the fixing plate 2, and the fixing plate 1 is fixedly connected to the casing via screws.

4. A fan motor according to claim 3, characterized in that: Two limiting plates are symmetrically arranged on the second fixing plate, a slot with an opening at one end is formed between the two limiting plates and the second fixing plate, the positioning piece is inserted into the slot from the opening and limited, and a notch is arranged at the end of the limiting plate near the opening of the slot.

5. A fan motor according to claim 4, characterized in that: A slot hole is provided on the second fixing plate, and the slot hole is provided between the two limiting plates. A supporting part and a limiting part are provided in the slot hole, and the supporting part and the limiting part are both located between the two limiting plates. A limiting protrusion is provided on the limiting part, and a limiting hole is provided on the positioning piece. The limiting protrusion is snapped into the limiting hole to buckle the positioning piece and the limiting plate.

6. A fan motor according to claim 5, characterized in that: The top surface of the limiting protrusion is arranged as an inclined surface, and the inclined surface is arranged to be inclined upward from the limiting portion toward the supporting portion.

7. A fan motor according to claim 1, characterized in that: The casing comprises a first shell and a second shell, the stator is arranged between the first shell and the second shell, and the fixing bracket is fixedly connected to the second shell.

8. A fan motor according to claim 7, characterized in that: The shell body 1 is provided with a fixing ring 1, and the fixing ring 1 is provided with a fixing ear 1. The shell body 2 is provided with a fixing ring 2, and the fixing ring 2 is provided with a fixing ear 2. The fixing ear 2 is matched with the fixing ear 1 in a one-to-one manner. The bolt assembly passes through the fixing ear 2, the stator and the fixing ear 1 to fix the shell body 1, the stator and the shell body 2 together.

9. A fan motor according to claim 7, characterized in that: The second shell is provided with a wire threading groove, and the wire threading groove is used for the power line and the connecting line to pass through.

10. A fan motor according to claim 7, characterized in that: The end surface of the second shell is evenly provided with heat dissipation grooves in a circumferential direction.

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