Outer rotor brushless motor for fresh air system

Abstract

The utility model discloses an external rotor brushless motor for a fresh air system, which comprises a casing, a frame is mounted at the top end of the casing, a mounting rack is mounted in the casing, and a brushless motor body is mounted at the top end of the mounting rack and positioned in the casing. The mounting mechanism comprises a base arranged at the bottom end of the machine shell, a guide frame is fixedly connected to the inner side wall of the base, and a mounting plate is slidably connected to the inner side wall of the guide frame. According to the brushless motor disclosed by the utility model, the base and the mounting position can be laminated and extruded, so that the arc block in sliding connection in the circular groove can be laminated with the mounting position, and the arc block can be extruded to slide into the base and drive the plurality of groups of mounting plates to slide along the guide track of the guide frame; and the multiple groups of mounting plates extend to the outside of the base to achieve an auxiliary mounting effect, so that a worker can conveniently and quickly disassemble and assemble the brushless motor.

Description

Technical Field

[0001] The utility model relates to the technical field of brushless motors, in particular to an outer rotor brushless motor for a fresh air system. Background Art

[0002] A brushless motor is a drive device that converts electrical energy into mechanical energy. It is also called a brushless DC motor. Compared with traditional brushed motors, brushless motors are simpler in structure, more durable, more efficient, quieter, and require no brush maintenance.

[0003] When workers install existing brushless motors, they need to customize the installation parts according to the size of the brushless motor, and then install the parts and the brushless motor in sequence, which is cumbersome and inconvenient to operate. Utility Model Content

[0004] The utility model discloses an outer rotor brushless motor for a fresh air system, aiming to solve the technical problem of existing brushless motors that when workers install the brushless motors, they need to customize the installation parts according to the size of the brushless motors, and then install the parts and the brushless motors in sequence, which is cumbersome and inconvenient to operate.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An outer rotor brushless motor for a fresh air system comprises a casing, a frame is installed at the top of the casing, a mounting frame is installed inside the casing, the top of the mounting frame is located inside the casing and a brushless motor body is installed, and also comprises a mounting mechanism: the mounting mechanism comprises a base arranged at the bottom end of the casing, the inner side wall of the base is fixedly connected with a guide frame, the inner side wall of the guide frame is slidably connected with a mounting plate, one end of the mounting plate is installed with a connecting component for sliding the mounting plate, the inner side wall of the guide frame is installed with a driving component for facilitating the disassembly and assembly of the brushless motor, a circular groove is opened at the bottom end of the base, a circular arc block is installed inside the circular groove, and a pressing component for assisting the installation of the brushless motor is installed at one end of the circular arc block; a noise reduction mechanism: the noise reduction mechanism is arranged on the outer surface of the brushless motor body, and the noise reduction mechanism is used to reduce the noise generated by the brushless motor.

[0007] By setting up the installation mechanism, the base and the installation position can be fit and squeezed together, so that the arc block slidably connected in the circular groove and the installation position can be fit together, the arc block can be squeezed and slide to the inside of the base, and drive multiple groups of installation plates to slide along the guide track of the guide frame, so that the multiple groups of installation plates extend to the outside of the base to achieve the effect of auxiliary installation.

[0008] In a preferred solution, the noise reduction mechanism includes a noise reduction disk arranged on the outer surface of the brushless motor body, and a noise reduction component for reducing noise is installed on the inner side wall of the housing.

[0009] By setting up a noise reduction mechanism, when the brushless motor body installed on the top of the mounting frame rotates, the brushless motor body can be rotated to drive the noise reduction disk installed on the bottom to rotate, so that the noise generated during the rotation of the noise reduction disk inside the casing can be reduced.

[0010] In a preferred solution, the noise reduction component includes a noise reduction block arranged on the inner wall of the casing, and the material of the noise reduction block is sound-absorbing cotton.

[0011] By setting a noise reduction component, the noise generated by the rotation of the brushless motor can be reduced.

[0012] In a preferred solution, the connection assembly includes a connection plate arranged at one end of the mounting plate, and a tooth pattern is arranged on one side of the connection plate.

[0013] By setting up the connection components, it is convenient for workers to quickly disassemble and assemble the brushless motor.

[0014] In a preferred solution, the driving assembly includes a rotating gear arranged on the inner side of the guide frame, and the rotating gear and the connecting plate are meshingly connected.

[0015] By providing a driving assembly, the connecting plate meshing on one side can be driven to slide during the rotation of the rotating gear.

[0016] In a preferred solution, the pressing assembly includes a spring block arranged at one end of the arc block, tooth grooves are formed on four sides of the spring block, and the spring block and the rotating gear are meshingly connected.

[0017] By arranging the pressing assembly, the spring block can drive the four sets of rotating gears to rotate simultaneously during the sliding process.

[0018] In a preferred solution, the spring block is arranged at the center of the base, the outer surface of the base is evenly provided with extension openings, and one side of the mounting plate is evenly provided with mounting grooves.

[0019] The utility model discloses an outer rotor brushless motor for a fresh air system, which has the following beneficial effects.

[0020] First, by setting up the installation mechanism, the base and the installation position can be pressed together, so that the arc block slidably connected in the circular groove can be pressed together with the installation position, so that the arc block can be pressed and slide to the inside of the base, and drive multiple groups of installation plates to slide along the guide track of the guide frame, so that the multiple groups of installation plates extend to the outside of the base to achieve the effect of auxiliary installation, which can facilitate the staff to quickly disassemble and assemble the brushless motor;

[0021] Secondly, by setting up a noise reduction mechanism, when the brushless motor body installed on the top of the mounting frame rotates, the brushless motor body can be rotated to drive the noise reduction disk installed on the bottom to rotate, so that the noise reduction disk can reduce the noise generated during the rotation inside the casing, thereby reducing the damage caused by the noise to the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is an axonometric view of the outer rotor brushless motor for the fresh air system proposed by the utility model.

[0023] Figure 2 This is another axonometric view of the outer rotor brushless motor for the fresh air system proposed by the utility model.

[0024] Figure 3 This is an exploded view of the outer rotor brushless motor for the fresh air system proposed by the utility model.

[0025] Figure 4 This is a disassembled diagram of the outer rotor brushless motor for the fresh air system proposed by the utility model.

[0026] In the attached figure: 1. casing; 2. frame; 3. noise reduction disk; 4. brushless motor body; 5. base; 6. guide frame; 7. mounting plate; 8. spring block; 9. connecting plate; 10. arc block; 11. noise reduction block; 12. rotating gear; 13. mounting frame. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0029] The outer rotor brushless motor for the fresh air system disclosed in the utility model mainly applies the existing brushless motor. When the staff installs the brushless motor, they need to customize the installation parts according to the size of the brushless motor, and then install the parts and the brushless motor in sequence, which is a cumbersome and inconvenient operation.

[0030] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 The outer rotor brushless motor for the fresh air system includes a casing 1, a frame 2 is installed on the top of the casing 1, a mounting frame 13 is installed inside the casing 1, the top of the mounting frame 13 is located inside the casing 1 and a brushless motor body 4 is installed, and also includes a mounting mechanism: the mounting mechanism includes a base 5 arranged at the bottom end of the casing 1, the inner side wall of the base 5 is fixedly connected with a guide frame 6, the inner side wall of the guide frame 6 is slidably connected with a mounting plate 7, one end of the mounting plate 7 is installed with a connecting component for sliding the mounting plate 7, the inner side wall of the guide frame 6 is installed with a driving component for facilitating the disassembly and assembly of the brushless motor, a circular groove is opened at the bottom end of the base 5, a circular arc block 10 is installed inside the circular groove, and a pressing component for assisting the installation of the brushless motor is installed at one end of the circular arc block 10; noise reduction mechanism: the noise reduction mechanism is arranged on the outer surface of the brushless motor body 4, and the noise reduction mechanism is used to reduce the noise generated by the brushless motor.

[0031] In the present solution, when the staff disassembles and assembles the brushless motor, they can fit and squeeze the base 5 and the installation site so that the arc block 10 slidably connected in the circular groove can fit with the installation site, so that the arc block 10 can be squeezed to drive the pressing component fixed at one end to slide to the inside of the base 5, and the pressing component can drive the driving component to rotate, so that the driving component rotates and drives the connecting component engaged on one side to slide on the inner wall of the guide frame 6, so that the multiple groups of mounting plates 7 with the connecting components fixed at one end slide along the guide track of the guide frame 6, and the multiple groups of mounting plates 7 extend to the outside of the base 5 to achieve the effect of auxiliary installation. At the same time, by setting a noise reduction mechanism, the noise generated can be reduced to reduce the damage caused by the noise to the staff.

[0032] Among them, refer to Figure 2 and Figure 4 In a preferred embodiment, the noise reduction mechanism includes a noise reduction disk 3 arranged on the outer surface of the brushless motor body 4, and a noise reduction component for reducing noise is installed on the inner wall of the housing 1.

[0033] In this solution, by setting up a noise reduction mechanism, when the brushless motor body 4 installed on the top of the mounting frame 13 rotates, the brushless motor body 4 can be rotated to drive the noise reduction disk 3 installed on the bottom to rotate, so that the noise generated by the noise reduction disk 3 during the rotation inside the casing 1 can be reduced.

[0034] Further, see Figure 2 and Figure 4 In a preferred embodiment, the noise reduction component includes a noise reduction block 11 arranged on the inner wall of the housing 1, and the material of the noise reduction block 11 is sound-absorbing cotton. By setting the noise reduction component, the noise generated by the rotation of the brushless motor can be reduced.

[0035] Among them, refer to Figure 1 and Figure 3 In a preferred embodiment, the connecting assembly includes a connecting plate 9 arranged at one end of the mounting plate 7, and a tooth pattern is arranged on one side of the connecting plate 9. By setting the connecting assembly, it is convenient for the staff to quickly disassemble and assemble the brushless motor.

[0036] Further, see Figure 1 and Figure 3 In a preferred embodiment, the driving assembly includes a rotating gear 12 arranged on the inner side of the guide frame 6, and the rotating gear 12 and the connecting plate 9 are meshingly connected. By setting the driving assembly, the rotating gear 12 can drive the connecting plate 9 on one side to slide during the rotation.

[0037] Among them, refer to Figure 1 and Figure 3 In a preferred embodiment, the pressing assembly includes a spring block 8 arranged at one end of the arc block 10, and tooth grooves are provided on all four sides of the spring block 8. The spring block 8 and the rotating gear 12 are meshingly connected. By setting the pressing assembly, the four sets of rotating gears 12 can be driven to rotate simultaneously during the sliding process of the spring block 8.

[0038] The above are only preferred specific implementations of the utility model, but the protection scope of the utility model is not limited to them. The replacement can be a replacement of part of the structure, device, method steps, or a complete technical solution. Equivalent replacement or changes based on the technical solution of the utility model and its utility model concept should be included in the protection scope of the utility model.

Claims

1. An outer rotor brushless motor for a fresh air system, comprising a housing (1), a frame (2) being mounted on the top of the housing (1), a mounting frame (13) being mounted inside the housing (1), a brushless motor body (4) being mounted on the top of the mounting frame (13) located inside the housing (1), and characterized in that: Also includes: Mounting mechanism: the mounting mechanism comprises a base (5) arranged at the bottom end of the housing (1), the inner side wall of the base (5) being fixedly connected to a guide frame (6), the inner side wall of the guide frame (6) being slidably connected to a mounting plate (7), one end of the mounting plate (7) being mounted with a connecting component for sliding the mounting plate (7), the inner side wall of the guide frame (6) being mounted with a driving component for facilitating the disassembly and assembly of the brushless motor, the bottom end of the base (5) being provided with a circular groove, the interior of the circular groove being mounted with a circular arc block (10), and one end of the circular arc block (10) being mounted with a pressing component for assisting the installation of the brushless motor; Noise reduction mechanism: the noise reduction mechanism is arranged on the outer surface of the brushless motor body (4), and is used to reduce the noise generated by the brushless motor.

2. The outer rotor brushless motor for the fresh air system according to claim 1, characterized in that: The noise reduction mechanism comprises a noise reduction disk (3) arranged on the outer surface of the brushless motor body (4), and a noise reduction component for reducing noise is installed on the inner side wall of the housing (1).

3. The outer rotor brushless motor for the fresh air system according to claim 2, characterized in that: The noise reduction component comprises a noise reduction block (11) arranged on the inner wall of the housing (1), and the material of the noise reduction block (11) is sound-absorbing cotton.

4. The outer rotor brushless motor for the fresh air system according to claim 1, characterized in that: The connection assembly comprises a connection plate (9) arranged at one end of the mounting plate (7), and a tooth pattern is arranged on one side of the connection plate (9).

5. The outer rotor brushless motor for the fresh air system according to claim 4, characterized in that: The driving assembly comprises a rotating gear (12) arranged inside the guide frame (6), and the rotating gear (12) and the connecting plate (9) are in meshing connection.

6. The outer rotor brushless motor for the fresh air system according to claim 5, characterized in that: The pressing assembly comprises a spring block (8) arranged at one end of the circular arc block (10), tooth grooves are provided on four sides of the spring block (8), and the spring block (8) and the rotating gear (12) are meshingly connected.

7. The outer rotor brushless motor for the fresh air system according to claim 6, characterized in that: The spring block (8) is arranged at the center of the base (5), the outer surface of the base (5) is evenly provided with extension openings, and one side of the mounting plate (7) is evenly provided with mounting grooves.

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