CN207246109U - Fan blade fixed structure and fan - Google Patents
Fan blade fixed structure and fan Download PDFInfo
- Publication number
- CN207246109U CN207246109U CN201720928366.4U CN201720928366U CN207246109U CN 207246109 U CN207246109 U CN 207246109U CN 201720928366 U CN201720928366 U CN 201720928366U CN 207246109 U CN207246109 U CN 207246109U
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- CN
- China
- Prior art keywords
- fan blade
- fixed
- fixed part
- meson
- body fixed
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Abstract
The utility model discloses a kind of fan blade fixed structure, for fixing fan blade, including fan blade locking cap and fixed meson, the fan blade locking cap includes columnar body fixed part and extends radially outwards the first holding section to be formed along the first half of the body fixed part, the side of first holding section backward is formed with snap-latch surface, the fan blade is installed on the latter half of the body fixed part, offered on the fixed meson and the matched mounting hole in body fixed part periphery, the fixed meson is fastened on the latter half of the body fixed part by mounting hole and the fan blade is sticked between the snap-latch surface and fixed meson.Fan blade locking cap is fixed or taken shape in shaft core by the utility model, and fan blade is through on fan blade locking cap, by meson and locking cap it is columnar coordinate fan blade extruding is fixedly secured on fan blade locking cap, fixation and fixed without screw.The invention also discloses a kind of fan.
Description
Technical field
A kind of fixed structure of fan blade, more particularly to a kind of fixation are the utility model is related to, and without screw
Fixed fan blade fixed structure.
Background technology
Traditional fan blade usually fixes fan blade using blade-flange attachment screw nut, and not only assembling is complicated, and
Easily so that the blade installation of fan is not firm, when fan is run, blade often relative to shaft core run-off the straight or rocks.
Therefore it is badly in need of one kind and can solve the above problem fan blade fixed structure.
Utility model content
The purpose of this utility model is to provide a kind of fan blade fixed structure and fan, for fixing fan blade, fixation, and
Fixed without screw.
To achieve these goals, the utility model discloses a kind of fan blade fixed structure, for fixing fan blade, including wind
Leaf locking cap and fixed meson, the fan blade locking cap include columnar body fixed part and the first half along the body fixed part
Part extends radially outwards the first holding section to be formed, and the side of first holding section backward is formed with snap-latch surface, the wind
Leaf is installed on the latter half of the body fixed part, offers on the fixed meson and matches with the body fixed part periphery
The mounting hole of conjunction, the fixed meson are fastened on the latter half of the body fixed part by mounting hole and by described in
Fan blade is sticked between the snap-latch surface and fixed meson.
Compared with prior art, fan blade locking cap is fixed in shaft core by the utility model, and fan blade is through fan blade fixes
On cap, fan blade extruding is fixedly secured on fan blade locking cap by the cooperation of a meson and fan blade locking cap, fixation,
And fixed without screw.
It is preferred that first holding section include be formed at the body fixed part rear end trapezoidal portions and with the ladder
Shape part is connected and is formed at the fixinig plate among the body fixed part.
It is preferred that the body fixed part is metalwork, the body fixed part offers mounting hole along its axle center, described
Fixed meson is metalwork.
It is preferred that the body fixed part is cylindrical or prism-shaped.
It is preferred that the hole wall riveting of the periphery of the body fixed part and the mounting hole coordinate either interference fit or
Extrusion fit.
It is preferred that the fixed meson is hollow column or hollow plates.
It is preferred that the fan blade closes on the side of the body fixed part in bending and opposite with the fixed meson
One side on be further opened with accommodating the groove of the fixed meson, be to be formed in the opposite one side of the fixed meson with it is described
The engaging platform that snap-latch surface cooperates.
It is preferred that the spiral shell coordinated with the external screw thread in shaft core is offered on the body fixed part along vertical direction
Pit, the body fixed part are installed in the shaft core by the threaded hole.
The invention also discloses a kind of fan, it is characterised in that：Including fan blade fixed structure, shaft core and driving machine
Structure, the fan blade fixed structure is as described above, the fan blade locking cap is installed or is shaped in the shaft core, the driving
Mechanism drives the shaft core to rotate.
It is preferred that the fan blade locking cap engaging is installed in the shaft core or the mounting hole by being set along its axle center
In interference fit with the periphery of the shaft core or the threaded hole screw thread that is set by its axle center is installed on the shaft core periphery
On external screw thread.
More preferably, the shaft core is provided with some and shaft core axially in parallel bar shaped along its circumferential direction with a determining deviation
It is raised.
It is preferred that the end of the shaft core offers external screw thread, opened on the body fixed part along vertical direction
The threaded hole coordinated equipped with the external screw thread, the body fixed part are installed by the threaded hole and externally threaded thread fitting
In in the shaft core.
Brief description of the drawings
Fig. 1 is the schematic perspective view of fan blade fixed structure described in the utility model.
Fig. 2 is the schematic cross-section of fan blade fixed structure described in the utility model.
Fig. 3 is the decomposition diagram of fan blade fixed structure described in the utility model.
Embodiment
To describe the technology contents of the utility model, construction feature, the objects and the effects in detail, below in conjunction with implementation
Mode simultaneously coordinates attached drawing to be explained in detail.
With reference to figure 2, the invention also discloses a kind of fan, including fan blade fixed structure 100, shaft core 20 and driving
Mechanism (not shown), the fan blade fixed structure 100 as shown in Figs. 1-3, the fan blade locking cap of the fan blade fixed structure 100
30 fix or are shaped in the shaft core 20, and the driving mechanism (not shown) drives the shaft core 20 to rotate.
Referring to figs. 1 to Fig. 3, the utility model discloses a kind of fan blade fixed structure 100, for fixing fan blade 10, including
Fan blade locking cap 30 and fixed meson 40, the fan blade locking cap 30 include columnar body fixed part 31 and consolidate along the body
The first half for determining portion 31 extends radially outwards the first holding section 32 to be formed, and the side of first holding section 32 backward is formed
There is snap-latch surface 323, the fan blade 10 is installed on the latter half of the body fixed part 31, is offered on the fixed meson 40
With the mounting hole 41 of the 31 periphery extrusion fit of body fixed part, the fixed meson 40 is fastened on by mounting hole 41
On the latter half of the body fixed part 31 and by the fan blade 10 be sticked in the snap-latch surface 323 and fixed meson 40 it
Between.During assembling, first fan blade locking cap 30 is fixed in shaft core 20, fan blade 10 is through to the latter half of fan blade locking cap 30
On, will by extrusion equipment on the periphery for the latter half that fixed meson 40 is through to body fixed part 31 by mounting hole 41
Body fixed part 31 and fixed meson extrusion fit, so that the extruding of fan blade 01 is fastened and fixed together, fixation, and nothing
Screw is needed to fix.Wherein, the body fixed part 31 is metalwork, and the fixed meson 40 is metalwork, in the present embodiment,
The fan blade locking cap is an integral structure, and certain fan blade locking cap can also be split structure.
In the present embodiment, the distal outer surface of the shaft core 20 along its circumferential direction with a determining deviation be provided with it is some with it is described
The axially in parallel strip bulge of shaft core, so that the outer surface cross section of the shaft core end is serrated, the body is fixed
The mounting hole 311 of the end interference fit of shaft core 20, the body fixed part 31 are offered in portion 31 along vertical direction
It is fixed on 20 end of shaft core by mounting hole 311 and is interference fitted with its some strip bulge.
In another optimal enforcement example, the end of the shaft core 20 offers external screw thread, in the present embodiment, the body
Offered on fixed part 31 along vertical direction with the external screw thread thread fitting in the shaft core 20 to install the shaft core
20 threaded hole.Body fixed part 31 is installed in the shaft core 20 by threaded hole and externally threaded cooperation.Certainly, the wind
Leaf locking cap 30 can also be shaped in shaft core 20, be either fixedly mounted by other means or engaging is installed on the axis
On core 20 etc..
With reference to figure 2, first holding section 32 includes being formed at 321 He of trapezoidal portions of 31 rear end of body fixed part
It is connected with the trapezoidal portions 321 and is formed at the fixinig plate 322 among the body fixed part 31.
Wherein, in the present embodiment, the body fixed part 31 is in hollow cylindric, and certainly, the body is fixed
Portion 31 can also be hollow prism-shaped.
With reference to figure 3, the fixed meson 40 is hollow plates.Certainly, the fixed meson can also be hollow
Either as long as other its side opposite with fan blade locking cap 30 of calyptra form hollow column or hollow to column
Sheet, may be such that fan blade 10 is stably fixed on fan blade locking cap 30 by fixed meson 40.
With reference to figure 2, the fan blade 10 close on the side of the shaft core 20 in bending and with fixed 40 phase of meson
To one side on be further opened with accommodating the groove 11 of the fixed meson 40, be shape in the opposite one side of the fixed meson 40
Into the engaging platform 12 to cooperate with the snap-latch surface 323.
With reference to figure 3, the fan blade 10 includes blade 13 and the central mounting portion 14 that the blade 13 is connected to center, institute
State and offered on central mounting portion 14 and the corresponding through hole 141 in 31 outer surface of body fixed part, the body fixed part
31 positions corresponded with the blade 13 are respectively arranged with the slot 51 and clamping block 52 being mutually clamped.
Referring to figs. 1 to Fig. 3, when assembling the fan blade fixed structure 100, fan blade locking cap 30 is first fixed on shaft core 20
On, fan blade 10 is through on the latter half of fan blade locking cap 30, fixed meson 40 is through body by mounting hole 41 fixes
On the periphery of the latter half in portion 31, the latter half of body fixed part 31 is dimensioned slightly smaller than or equal to mounting hole 41 at this time
Aperture, will fixed meson 40 load on body fixed part 31 so that fan blade 10 be squeezed in snap-latch surface 323 and fixed meson 40 it
Between after, the hole (mounting hole 311) that is axially set along it from body fixed part 31 by extrusion equipment is expanded extrusion body and is fixed
Portion 31, so that the periphery of body fixed part 31 and extrusion fit.
Certainly, the mounting hole 41 of the fixed meson 40 can also with 31 periphery of body fixed part be interference fitted or
Riveting cooperation etc., so that fixed meson 40 can be fastened on the latter half of the body fixed part 31 by mounting hole 41
On.Wherein, riveting coordinates similar with the mounting means of extrusion fit, when differing only in riveting, the periphery of body fixed part 31
Some rivets of projection are equipped with, the hole (mounting hole 311) that riveting press equipment is axially set from body fixed part 31 along it, which is expanded, to be squeezed
Rivet is installed in the hole wall of mounting hole 41 by pressure, so that mounting hole 41 and 31 riveting of body fixed part coordinate.
Above disclosed is only the preferred embodiment of the utility model, certainly cannot be new to limit this practicality with this
The interest field of type, therefore the equivalent variations made according to present utility model application the scope of the claims, still belong to the utility model and are covered
Scope.
Claims (10)
- A kind of 1. fan blade fixed structure, for fixing fan blade, it is characterised in that：It is described including fan blade locking cap and fixed meson Fan blade locking cap includes columnar body fixed part and extends radially outwards what is formed along the first half of the body fixed part First holding section, formed with snap-latch surface, the fan blade is installed on the body fixed part for the side of first holding section backward Latter half, offer on the fixed meson and the matched mounting hole in body fixed part periphery, it is described fixed to be situated between Son is fastened on being sticked in the snap-latch surface on the latter half of the body fixed part and by the fan blade by mounting hole Between fixed meson.
- 2. fan blade fixed structure as claimed in claim 1, it is characterised in that：The body fixed part is metalwork, described Body fixed part offers mounting hole along its axle center, and the fixed meson is metalwork.
- 3. fan blade fixed structure as claimed in claim 1, it is characterised in that：The body fixed part is cylindric or prism Shape.
- 4. fan blade fixed structure as claimed in claim 1, it is characterised in that：The periphery of the body fixed part and the installation The hole wall riveting in hole coordinates either interference fit or extrusion fit.
- 5. fan blade fixed structure as claimed in claim 1, it is characterised in that：The fixed meson for hollow column or in Empty plates.
- 6. fan blade fixed structure as claimed in claim 1, it is characterised in that：The fan blade closes on the one of the body fixed part Side is in bending and is further opened with accommodating the groove of the fixed meson in the one side opposite with the fixed meson, is institute State the engaging platform for being formed in the opposite one side of fixed meson and being cooperated with the snap-latch surface.
- 7. fan blade fixed structure as claimed in claim 1, it is characterised in that：The fan blade includes blade and connects the blade The central mounting portion at center is connected to, is offered on the central mounting portion corresponding logical with the body fixed part outer surface Hole, the body fixed part are respectively arranged with the slot and clamping block being mutually clamped with the position that the blade corresponds.
- A kind of 8. fan, it is characterised in that：Including fan blade fixed structure, shaft core and driving mechanism, the fan blade fixed structure is such as Described in any one of claim 1-7, the fan blade locking cap is installed or is shaped in the shaft core, the driving machine Structure drives the shaft core to rotate.
- 9. fan as claimed in claim 8, it is characterised in that：Fan blade locking cap engaging be installed in the shaft core or By along the mounting hole that its axle center is set in interference fit with the periphery of the shaft core or the threaded hole that is set by its axle center Screw thread is installed on the external screw thread of the shaft core periphery.
- 10. fan as claimed in claim 9, it is characterised in that：The shaft core is provided with some along its circumferential direction with a determining deviation With the axially in parallel strip bulge of the shaft core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720928366.4U CN207246109U (en) | 2017-07-27 | 2017-07-27 | Fan blade fixed structure and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720928366.4U CN207246109U (en) | 2017-07-27 | 2017-07-27 | Fan blade fixed structure and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207246109U true CN207246109U (en) | 2018-04-17 |
Family
ID=61880055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720928366.4U Active CN207246109U (en) | 2017-07-27 | 2017-07-27 | Fan blade fixed structure and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207246109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667208A (en) * | 2018-04-27 | 2018-10-16 | 长兴捷陆科技有限公司 | A kind of fixed structure of New energy automobile motor fan blade |
-
2017
- 2017-07-27 CN CN201720928366.4U patent/CN207246109U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667208A (en) * | 2018-04-27 | 2018-10-16 | 长兴捷陆科技有限公司 | A kind of fixed structure of New energy automobile motor fan blade |
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| GR01 | Patent grant |