CN208870820U - A kind of DC fan convenient for assembling - Google Patents

Abstract

The utility model discloses a kind of DC fans convenient for assembling, the embedded column and insert opening being mutually adapted are set, there are gaps between setting inclined surface makes embedded column and stator fixed block, positions beam barrel, make assembling accurate positioning, be easy to Automated assembly, efficiency is produced in raising, overall structure is stablized, conducive to longtime running, when avoiding assembling inside damage by pressure and happen, reduce economic loss；By the structure of shaft lower end gasket, retaining ring and elastic slice, the adaptability and tightness when shaft assembles and when work ensure that, running noise is small, and the utility model is suitable for radiator fan.

Description

A kind of DC fan convenient for assembling

Technical field

The utility model relates to radiator fan field, in particular to a kind of DC fan convenient for assembling.

Background technique

Heat dissipation be always many devices must in face of the problem of, such as computer operated due to central processing unit and hard disk When can generate a large amount of thermal energy, if thermal energy accumulation is in a device, be easy to cause device aging speed to accelerate, and make the longevity of device Life shortens, and then reduces the efficiency of device.Therefore, it is typically provided with radiator fan in a device, so that the heat of accumulation in a device It can smoothly spread.

Existing single flow radiator fan generallys use the embedded structure of flabellum, and flabellum and fan frame are fixed by shaft, When production and assembly when pressing bearing and fixed flabellum, it is easy that inside is made to split or crumble, causes unnecessary loss.Therefore, it answers Existing fan is improved, to solve the above problems.

Utility model content

In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of DC fan convenient for assembling, fixed Level is true, stable structure, when avoiding assembling inside damage by pressure and happen.

In order to achieve the above objectives, the technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of be convenient for group The DC fan of dress, including outline border, the outline border is interior to be equipped with mounting base and flabellum, convexes to form locating shaft in the middle part of the mounting base Cylinder, the positioning beam barrel bottom notch form positioning chamber, and the positioning beam barrel upper end is extended with a pair of embedded column, the locating shaft Cylinder side wall has stator fixed block, and the flabellum is covered on above mounting base, and the flabellum lower end is fastened with installation lid, the peace Capping upper end and stator upper end of fixing block, which abut, fixes, and the installation, which covers, is equipped with a pair of insert opening for adapting to be embedded in column, institute It states embedded column intercalation and is fixed in insert opening and stretches out in the installation side of covering, locating shaft drum outer wall upper end and inner wall upper end It is equipped with inclined surface.

Preferably, the flabellum lower end is equipped with shaft, the positioning beam barrel internal pressure is equipped with bearing, and the shaft is inserted in axis Positioning chamber is held and protrudes into, the bearing upper end is equipped with washer, lower end is equipped with gasket and retaining ring, the positioning chamber bottom surface and shaft Pressure has elastic slice between lower end.

Preferably, described outline border one end is equipped with fan mounting holes.

Due to the application of the above technical scheme, the utility model have compared with prior art it is following the utility model has the advantages that

1. the embedded column and insert opening being mutually adapted is arranged, setting inclined surface makes to be embedded in column and stator fixed block, locating shaft There are gaps between cylinder, make assembling accurate positioning, are easy to Automated assembly, and efficiency is produced in raising, and overall structure is stablized, and are conducive to long-term Operation, when avoiding assembling inside damage by pressure and happen, reduce economic loss；

2. ensure that adaptability when shaft assembles and when work by the structure of shaft lower end gasket, retaining ring and elastic slice And tightness, running noise are small.

Detailed description of the invention

Fig. 1 is the cross-sectional view of the present embodiment.

Fig. 2 is the enlarged diagram in the portion A in Fig. 1.

In figure: 1, outline border；2, mounting base；3, flabellum；4, beam barrel is positioned；5, positioning chamber；6, it is embedded in column；7, stator is fixed Block；8, installation lid；9, insert opening；10, shaft；11, bearing；12, washer；13, gasket；14, retaining ring；15, elastic slice；16, fan Mounting hole.

Specific embodiment

Combined with specific embodiments below, the content of the utility model is described in further detail:

The present embodiment is a kind of DC fan convenient for assembling, including outline border 1 combined with Figure 1 and Figure 2, is equipped with peace in outline border 1 Seat 2 and flabellum 3 are filled, positioning beam barrel 4 is convexed to form in the middle part of mounting base 2, positioning 4 bottom notch of beam barrel forms positioning chamber 5, locating shaft 4 upper ends of cylinder are extended with a pair of embedded column 6, and positioning 4 side wall of beam barrel has stator fixed block 7, and flabellum 3 is covered on 2 top of mounting base, 3 lower end of flabellum is fastened with installation lid 8, installs 8 upper end of lid and 7 upper end of stator fixed block abuts and fixes, installation lid 8 is equipped with a pair The insert opening 9 for being embedded in column 6 is adapted to, 6 intercalation of column is embedded in and is fixed in insert opening 9 and stretches out in 8 top of installation lid, locating shaft 4 outer wall upper ends of cylinder and inner wall upper end are equipped with inclined surface.

In the present embodiment, 3 lower end of flabellum is equipped with shaft 10, positions in beam barrel 4 and is pressed with bearing 11, shaft 10 is inserted in axis Hold 11 and protrude into positioning chamber 5,11 upper end of bearing be equipped with washer 12, lower end be equipped with gasket 13 and retaining ring 14,5 bottom surface of positioning chamber and Pressure has elastic slice 15 between 10 lower end of shaft, and 1 one end of outline border is equipped with fan mounting holes 16.

The innovation of the utility model is: the embedded column 6 and insert opening 9 being mutually adapted is arranged, setting inclined surface makes embedding There are gaps between filling column 6 and stator fixed block 7, positioning beam barrel 4, make assembling accurate positioning, are easy to Automated assembly, raising is produced Efficiency, overall structure are stablized, and longtime running is conducive to, when avoiding assembling inside damage by pressure and happen, reduce economic loss；It is logical The structure for crossing 10 lower end gasket 13 of shaft, retaining ring 14 and elastic slice 15, ensure that shaft 10 assemble when and work when adaptability and Tightness, running noise are small.

The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique Personage can understand the content of the utility model and be implemented, do not limit the protection scope of the present invention, All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover in the protection scope of the utility model It is interior.

Claims (3)

1. a kind of DC fan convenient for assembling, it is characterised in that: including outline border (1), mounting base is equipped in the outline border (1) (2) and flabellum (3), mounting base (2) middle part convex to form positioning beam barrel (4), and positioning beam barrel (4) bottom notch is formed Positioning chamber (5), positioning beam barrel (4) upper end are extended with a pair of embedded column (6), and positioning beam barrel (4) side wall has stator Fixed block (7), the flabellum (3) are covered on above mounting base (2), and flabellum (3) lower end is fastened with installation lid (8), described Installation lid (8) upper end and stator fixed block (7) upper end, which abut, to be fixed, and the installation lid (8) is equipped with a pair and adapts to be embedded in column (6) insert opening (9), embedded column (6) intercalation is fixed in insert opening (9) and is stretched out in above installation lid (8), described Positioning beam barrel (4) outer wall upper end and inner wall upper end are equipped with inclined surface.

2. a kind of DC fan convenient for assembling according to claim 1, it is characterised in that: flabellum (3) lower end is set Have shaft (10), be pressed with bearing (11) in the positioning beam barrel (4), the shaft (10), which is inserted in bearing (11) and is protruded into, determines Position chamber (5), bearing (11) upper end is equipped with washer (12), lower end is equipped with gasket (13) and retaining ring (14), the positioning chamber (5) Pressure has elastic slice (15) between bottom surface and shaft (10) lower end.

3. a kind of DC fan convenient for assembling according to claim 1, it is characterised in that: described outline border (1) one end is set There are fan mounting holes (16).