CN213574720U

CN213574720U - Radiator fan convenient to assembly

Info

Publication number: CN213574720U
Application number: CN202022364283.1U
Authority: CN
Inventors: 刘锦堂; 孙向华
Original assignee: Guangtai Motor Wujiang Co ltd
Current assignee: Guangtai Motor Wujiang Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-06-29
Anticipated expiration: 2030-10-22

Abstract

The utility model relates to a radiator fan convenient to assembly, including casing and rotor subassembly, be provided with the column jacket in the casing, be provided with bearing assembly in the column jacket, the column jacket inner wall is formed with the protruding edge of second, the rotor subassembly includes the rotor, the mount pad of setting on the rotor with fix the axle core on the mount pad, bearing assembly is including installing the first bearing in the column jacket, first elastic component, second elastic component and second bearing, first bearing and the protruding looks butt of following of second, first elastic component supports and holds between first bearing and second bearing, the second elastic component supports and holds between second bearing and mount pad. The utility model discloses simple structure, simple to operate need not to set up the loaded down with trivial details locating part of installation, and assembly efficiency is higher, and first elastic component and second elastic component can provide and order about first bearing and second bearing to both ends to tight support tight power simultaneously, and spacing effect is better.

Description

Radiator fan convenient to assembly

Technical Field

The utility model relates to a be convenient for assemble radiator fan.

Background

The heat dissipation fan is widely used to solve the heat dissipation problem of various electronic devices or components, such as a central processing unit CPU, a display card, a power supply, and the like in a personal computer. The known fan structure mainly comprises a shell, a stator and a rotor, wherein the stator and the rotor are arranged in the shell, a column sleeve and a bearing arranged in the column sleeve are arranged on the shell, an electromagnetic coil and a silicon steel sheet of the stator are fixedly arranged outside the column sleeve, a shaft core in the rotor is inserted into the bearing, and a permanent magnetic ring on the rotor is sleeved outside the electromagnetic coil. When the fan is activated, the rotor is driven to rotate around the column sleeve by the action of the magnetic field of the electromagnetic coil and the magnetic ring, and the rotor rotates to generate airflow by utilizing the fan blades on the rotor, so that heat energy generated by the electronic component is blown out, and the effects of heat dissipation and cooling are achieved. However, the existing bearing usually realizes axial limit through a convex edge on a column sleeve, the axial position of the existing bearing is difficult to be tightly limited, and the existing bearing is easy to shift after long-term use, so that the normal work is influenced; in addition, in order to limit the axial movement of the bearing, the conventional heat dissipation fan is usually fixed and connected with a limiting part on a column sleeve to limit the bearing, and the assembly process of the limiting part is complicated, so that the overall assembly efficiency of the fan is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a radiator fan convenient to assembly to solve above-mentioned problem.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a radiator fan convenient to assembly, includes casing and rotor subassembly, be provided with the column jacket in the casing, be provided with bearing assembly in the column jacket, the column jacket inner wall is formed with the protruding edge of second, the rotor subassembly includes the rotor, sets up mount pad on the rotor and fixes axle core on the mount pad, bearing assembly is including installing first bearing, first elastic component, second elastic component and second bearing in the column jacket, first bearing with the protruding butt along of second, first elastic component supports and holds first bearing with between the second bearing, the second elastic component supports and holds the second bearing with between the mount pad.

Furthermore, a first clamping groove is formed in the bottom of the shaft core, and a first clamping spring for supporting the first bearing is embedded in the first clamping groove.

Furthermore, a second clamping groove is formed in the inner wall of the upper end of the column sleeve, a second clamping spring is embedded in the second clamping groove, and the second clamping spring is in contact with the upper end face of the second bearing.

Further, the first elastic piece is a large elastic spring, and the second elastic piece is a small elastic spring.

Furthermore, a first convex edge is formed on the outer wall of the column sleeve, and the cooling fan further comprises a stator assembly which is sleeved outside the column sleeve and supported by the first convex edge.

Further, the bottom of the shell is provided with a base, and the column sleeve is fixedly arranged in the base in a penetrating mode.

The beneficial effects of the utility model reside in that: the utility model discloses be provided with the protruding edge that supports bearing assembly in the column casing, put into the column casing first bearing, first elastic component, second bearing and second elastic component in proper order during the installation to use the mount pad on the rotor subassembly to cooperate first elastic component and second elastic component to carry out axial spacing to first bearing and second bearing, simple structure, simple to operate need not to set up extra loaded down with trivial details locating part of installation, improves assembly efficiency; in addition, first elastic component and second elastic component can provide and order about the tight power of supporting that first bearing and second bearing both ends supported, and spacing effect is better, avoids the fan to use the back bearing for a long time and shifts.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of the heat dissipation fan of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element 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 invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, the heat dissipation fan convenient to assemble according to a preferred embodiment of the present invention includes a housing 1, a stator assembly 2, a rotor assembly 3, and blades 4.

A housing cavity 11 for housing the stator assembly 2, the rotor assembly 3 and the blades 4 is provided in the housing 1. The bottom of the housing 1 is provided with a base 12 located in the accommodating cavity 11 and a column sleeve 13 fixedly arranged in the base 12 in a penetrating manner, and the base 12 is a hollow structure with two open ends. In this embodiment, the housing 1 is made of plastic, and the column sleeve 13 is made of metal, preferably copper.

The column sleeve 13 is of a hollow structure, the stator assembly 2 is fixedly installed outside the column sleeve 13, specifically, a first convex edge 131 is formed at a position, close to the middle section, of the outer wall of the column sleeve 13, and the stator assembly 2 is sleeved outside the column sleeve 13 and supported by the first convex edge 131 to limit the downward movement of the stator assembly 2. In this embodiment, the stator assembly 2 and the column sleeve 13 are preferably a tight fit.

The rotor assembly 3 includes a rotor 31 and a shaft core 32 connected to the rotor 31. Wherein, the rotor 31 is positioned at the periphery of the stator component 2, and the shaft core 32 is rotatably arranged in the column sleeve 13 in a penetrating way. The middle part of the rotor 31 is fixedly provided with an installation seat 33 for connecting the shaft core 32, and the upper end of the shaft core 32 is fixedly arranged in the installation seat 33 in a penetrating way.

The column sleeve 13 is provided with a bearing assembly, and the shaft core 32 is matched with the bearing assembly to realize smooth rotation of the shaft core 32. Specifically, the inner wall of the column jacket 13 is formed with a second ledge 132 near the lower position of the middle section for supporting the bearing assembly 5. The bearing assembly includes a first bearing 51, a first elastic member 52, a second bearing 53 and a second elastic member 54 mounted to the column cover 13. The first bearing 51 abuts against the second ledge 132, the first elastic element 52 abuts against between the first bearing 51 and the second bearing 53, and the second elastic element 54 abuts against between the second bearing 53 and the mounting seat 33. In the present embodiment, the first elastic member 52 is a large elastic spring, the second elastic member 54 is a small elastic spring, and the first bearing 51 and the second bearing 53 are ball bearings.

Preferably, in order to improve the support performance of the first bearing 51, a first clamping groove 321 is formed in the bottom of the shaft core 32, a first clamping spring 6 is embedded in the first clamping groove 321, the upper end surface of the first clamping spring 6 is flush with the end surface of the second convex edge 132, and the first bearing 51 is supported by the second convex edge 132 and the first clamping spring 6. In addition, in order to further improve the axial limit of the second bearing 53, a second clamping groove 133 is formed in the inner wall of the upper end of the column sleeve 13, a second clamping spring 7 is embedded in the second clamping groove 133, and the second clamping spring 7 is in contact with the upper end face of the second bearing 53.

When the heat dissipation fan of the utility model is installed, the first bearing 51 is pressed into the column sleeve 13 from the upper part of the column sleeve 13, and the first bearing 51 is abutted against the second convex edge 132; then, the first elastic member 52, the second bearing 53 and the second elastic member 54 are pressed into the column cover 13 in sequence; then, the blades 4 are mounted on the rotor assembly 3, and the rotor assembly 3 is coupled to the first bearing 51 and the second bearing 53, and fixed by the housing 1 after coupling. After the heat dissipation fan is installed, the mounting seat 33 abuts against the second elastic member 54, so as to limit the axial movement of the first bearing 51 and the second bearing 53. It should be noted that, the above-mentioned installation order is adjustable according to actual need, and the utility model discloses do not limit here.

The utility model has the advantages that: 1. the utility model discloses be provided with the protruding edge that supports bearing assembly in the column casing, put into the column casing first bearing, first elastic component, second bearing and second elastic component in proper order during the installation to use the mount pad on the rotor subassembly to cooperate first elastic component and second elastic component to carry out axial spacing to first bearing and second bearing, simple structure, simple to operate need not to set up extra loaded down with trivial details locating part of installation, improves assembly efficiency;

2. the first elastic part and the second elastic part of the utility model can provide the abutting force for urging the first bearing and the second bearing to abut against the two ends, the limiting effect is better, and the bearing displacement after the fan is used for a long time is avoided;

3. the utility model discloses an axle core lower extreme is provided with the jump ring to further improve bearing assembly's support effect.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a radiator fan convenient to assembly, includes casing and rotor subassembly, be provided with the column jacket in the casing, be provided with bearing assembly in the column jacket, its characterized in that, the column jacket inner wall is formed with the protruding edge of second, the rotor subassembly includes the rotor, sets up mount pad on the rotor with fix axle core on the mount pad, bearing assembly is including installing first bearing, first elastic component, second elastic component and second bearing in the column jacket, first bearing with the protruding butt along of second, first elastic component supports and holds first bearing with between the second bearing, the second elastic component supports and holds the second bearing with between the mount pad.

2. The cooling fan convenient to assemble of claim 1, wherein a first clamping groove is formed in the bottom of the shaft core, and a first clamping spring for supporting the first bearing is embedded in the first clamping groove.

3. The cooling fan convenient to assemble of claim 1, wherein a second clamping groove is formed in the inner wall of the upper end of the column sleeve, a second clamping spring is embedded in the second clamping groove, and the second clamping spring is in contact with the upper end face of the second bearing.

4. The heat dissipating fan easy to assemble as claimed in claim 1, wherein the first elastic member is a large elastic spring and the second elastic member is a small elastic spring.

5. The easy-to-assemble heat dissipation fan of claim 1, wherein the outer wall of the column jacket is formed with a first convex edge, and the heat dissipation fan further comprises a stator assembly sleeved outside the column jacket and supported by the first convex edge.

6. The easy-to-assemble heat dissipation fan of claim 1, wherein a base is disposed at the bottom of the housing, and the column sleeve is fixedly inserted into the base.