CN218971513U

CN218971513U - Brushless fan controller mount

Info

Publication number: CN218971513U
Application number: CN202223608312.XU
Authority: CN
Inventors: 张永红; 陈凤灶; 曹忠强; 张红
Original assignee: Wenzhou Jiangcheng Auto Parts Co ltd
Current assignee: Wenzhou Jiangcheng Auto Parts Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-05
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a brushless fan controller fixing frame which comprises a mounting disc, springs and a spring positioning sleeve arranged on a stator insulating sleeve, wherein a cavity matched with a circuit board of a controller is arranged at the upper end of the mounting disc and is used for embedding the controller, a plurality of counter bores are uniformly distributed at the lower end of the mounting disc and are used for accommodating the upper ends of the springs, and the spring positioning sleeve and the counter bores are correspondingly arranged at the lower ends of the springs.

Description

Brushless fan controller mount

Technical Field

The utility model relates to the technical field of brushless fans, in particular to a brushless fan controller fixing frame.

Background

The brushless fan is an electromechanical device which uses a brushless motor as power to drive a fan blade to rotate so as to pump air, is widely applied to devices such as an automobile air conditioner and an automobile water tank, a controller for controlling the rotation of the motor of the brushless fan in the prior art is usually fastened on a motor rear cover by a fastening piece or a riveting piece, and the motor rear cover is directly and rigidly connected with a motor shell by the fastening piece, so that vibration impact in the driving process of a vehicle can be directly transmitted to the controller to generate vibration impact on various electronic elements on a circuit board, and the electronic elements are easy to loosen to form faults.

Disclosure of Invention

The utility model aims to provide a brushless fan controller fixing frame for solving the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a brushless fan controller mount, includes mounting disc 5, spring 4, locates the spring positioning sleeve 301 on the stator insulation cover 3, the mounting disc 5 upper end be provided with the cavity 501 of the circuit board adaptation of controller 6 be used for inlaying the controller 6, the mounting disc 5 lower extreme equipartition is provided with a plurality of counter bores 502 and is used for holding the upper end of spring 4, spring positioning sleeve 301 with counter bore 502 corresponds the setting and is used for holding the lower extreme of spring 4.

Further, the motor further comprises a motor rear cover 7 and a motor housing 1, the stator insulation sleeve 3 is mounted on the stator 2 and fixed in the motor housing 1 together with the stator 2, and the motor rear cover 7 is used for pressing the mounting plate 5 to the stator insulation sleeve 3.

Further, a flange 503 is arranged on the outer circle of the lower portion of the mounting plate 5, a conical surface 504 is arranged at the upper end of the flange 503, the outer wall of the flange 503 is in clearance fit with the inner wall of the motor housing 1, a compression ring 701 is axially arranged at the lower end of the motor rear cover 7 in an extending manner, the outer wall of the compression ring 701 is matched with the inner wall of the motor housing 1, and after the motor rear cover 7 is engaged with the motor housing 1, the inner edge of the lower port surface of the compression ring 701 is abutted to the conical surface 504.

Further, the circuit board of the controller 6 and the mounting plate 5 are provided with connecting holes 505 at corresponding positions for penetrating fasteners to connect the circuit board of the controller 6 and the mounting plate 5.

The utility model has the beneficial effects that: according to the brushless fan controller fixing frame provided by the utility model, uniformly distributed springs are used as the buffer parts for absorbing vibration, and the pressing ring of the motor rear cover is used for axial and radial limiting, so that external vibration impact can be effectively absorbed, and the stability and reliability of the controller are improved.

Drawings

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is an exploded view of another view of the present utility model;

FIG. 3 is a perspective view of a mounting plate of the present utility model;

fig. 4 is a perspective view of another view of the mounting plate of the present utility model.

FIG. 5 is a cross-sectional view of the present utility model;

fig. 6 is a partial enlarged view of fig. 5 at a.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, a brushless fan controller fixing frame comprises a mounting plate 5, springs 4 and a spring positioning sleeve 301 arranged on a stator insulation sleeve 3, wherein a cavity 501 matched with a circuit board of a controller 6 is arranged at the upper end of the mounting plate 5 and is used for embedding the controller 6, a plurality of counter bores 502 are uniformly distributed at the lower end of the mounting plate 5 and are used for accommodating the upper ends of the springs 4, and the spring positioning sleeve 301 and the counter bores 502 are correspondingly arranged for accommodating the lower ends of the springs 4; the motor is characterized by further comprising a motor rear cover 7 and a motor shell 1, wherein the stator insulating sleeve 3 is arranged on the stator 2 and is fixed in the motor shell 1 along with the stator 2, the motor rear cover 7 is used for pressing the mounting disc 5 towards the stator insulating sleeve 3, a space is reserved between the lower end surface of the mounting disc 5 and the end surface of the spring positioning sleeve 301, and the reaction elastic force of the spring 4 pushes the mounting disc 5 towards the motor rear cover, so that the controller 6 is arranged in the motor shell 1 and positioning is completed, external vibration impact can be effectively absorbed through the elastic action of the spring 4, and the stability and reliability of the controller are improved.

Further preferably, the outer circle of the lower part of the mounting plate 5 is provided with a flange 503, the upper end of the flange 503 is provided with a conical surface 504, the outer wall of the flange 503 is in clearance fit with the inner wall of the motor housing 1, the lower end of the motor rear cover 7 is axially extended to be provided with a pressing ring 701, the outer wall of the pressing ring 701 is matched with the inner wall of the motor housing 1, after the motor rear cover 7 is jointed with the motor housing 1, the inner edge of the lower port surface of the pressing ring 701 is abutted against the conical surface 504, so that the mounting plate 5 can be axially and radially limited, the mounting plate 5 is prevented from loosening, and the stability of the controller 6 is ensured while the external vibration impact is effectively absorbed.

Further preferably, the circuit board of the controller 6 and the mounting plate 5 are provided with connecting holes 505 at corresponding positions for penetrating fasteners to connect the circuit board of the controller 6 and the mounting plate 5, where the fasteners may be bolts or rivets to firmly connect the circuit board of the controller 6 with the mounting plate 5 after penetrating through the connecting holes.

During assembly, the stator 2, the stator insulating sleeve 3 and the coil are assembled into an assembly according to a motor assembly process and then are pressed into the motor shell 1, a rotor assembly (not shown) is installed, the spring 4 is placed into the spring positioning sleeve 301, the mounting disc 5 after the controller 6 is assembled is placed into the spring positioning sleeve, the counter bore 502 is sleeved on the corresponding spring 4, the motor rear cover 7 is covered and connected with the motor shell 1 through a fastener, at the moment, the mounting disc 5 is pressed towards the stator insulating sleeve 3 in a direction that the inner edge of the lower port surface of the pressing ring 701 at the lower end of the motor rear cover 7 is abutted against the conical surface 504, the outer wall of the pressing ring 701 is matched with the inner wall of the motor shell 1, the pressing ring 701 also radially limits the mounting disc 5 due to the action of the conical surface 504, the spring positioning sleeve 301 is matched with the counter bore 502, and meanwhile, the radial displacement of the spring 4 is limited to keep the position of the mounting disc 5 stable.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A brushless fan controller mount, its characterized in that: including mounting disc (5), spring (4), locate spring positioning sleeve (301) on stator insulation cover (3), mounting disc (5) upper end be provided with cavity (501) of the circuit board adaptation of controller (6) are used for inlaying controller (6), mounting disc (5) lower extreme equipartition is provided with a plurality of counter bores (502) and is used for holding the upper end of spring (4), spring positioning sleeve (301) with counter bore (502) correspond the setting and are used for holding the lower extreme of spring (4).

2. The brushless fan controller mount of claim 1, wherein: the motor is characterized by further comprising a motor rear cover (7) and a motor shell (1), wherein the stator insulating sleeve (3) is installed on the stator (2) and is fixed in the motor shell (1) together with the stator (2), and the motor rear cover (7) is used for pressing the installation disc (5) towards the stator insulating sleeve (3).

3. The brushless fan controller mount of claim 2, wherein: the outer circle of the lower part of the mounting plate (5) is provided with a flange (503), the upper end of the flange (503) is provided with a conical surface (504), the outer wall of the flange (503) is in clearance fit with the inner wall of the motor housing (1), the lower end of the motor rear cover (7) is axially extended to be provided with a pressing ring (701), the outer wall of the pressing ring (701) is matched with the inner wall of the motor housing (1), and after the motor rear cover (7) is jointed with the motor housing (1), the inner edge of the lower port surface of the pressing ring (701) is in butt joint with the conical surface (504).

4. A brushless fan controller mount according to claim 3, wherein: the circuit board of the controller (6) and the mounting plate (5) are provided with connecting holes (505) at corresponding positions on the mounting plate (5) for penetrating fasteners to connect the circuit board of the controller (6) and the mounting plate (5).