CN112524072B - Automobile fan structure and fan sleeve thereof - Google Patents
Automobile fan structure and fan sleeve thereof Download PDFInfo
- Publication number
- CN112524072B CN112524072B CN202011393030.5A CN202011393030A CN112524072B CN 112524072 B CN112524072 B CN 112524072B CN 202011393030 A CN202011393030 A CN 202011393030A CN 112524072 B CN112524072 B CN 112524072B
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- clamping
- fan
- motor shaft
- cylinder
- elastic
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- 238000009434 installation Methods 0.000 claims abstract description 4
- 241000886569 Cyprogenia stegaria Species 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 241000883990 Flabellum Species 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000005570 vertical transmission Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/163—Combinations of two or more pumps ; Producing two or more separate gas flows driven by a common gearing arrangement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the field of fans, in particular to an automobile fan structure and a fan sleeve thereof. The automobile fan sleeve comprises a clamping outer cylinder, a clamping inner cylinder, an elastic strip, a motor shaft connector and a positioning ring; the clamping inner cylinder is vertically arranged on the inner side of the clamping outer cylinder, an installation gap is reserved between the clamping inner cylinder and the inner wall of the clamping outer cylinder, and a stop block is arranged on the outer wall of the clamping inner cylinder; a clamping groove is formed in the inner wall of the clamping outer cylinder; the elastic strips are arranged at the upper end of the motor shaft connector and are uniformly distributed along the circumferential direction of the motor shaft connector; each elastic strip comprises an elastic column and a buckle, each elastic column arches outwards, the lower end of the buckle is connected with the upper end of the elastic column, the connection part is hinged to the positioning ring, and a bulge is arranged on the outer side of the middle section of the elastic column; when the lower end of the clamping outer cylinder is contacted with the upper end of the motor shaft connector, the elastic column is inserted into the mounting gap, the bulge is clamped into the clamping groove, the buckle is clamped on the stop block, and the outward arching height of the elastic column is smaller than the outward arching height of the elastic column when the elastic column is not inserted into the mounting gap.
Description
Technical Field
The invention relates to the field of fans, in particular to an automobile fan structure and a fan sleeve thereof.
Background
The existing automobile fan sleeve is mostly connected with a motor shaft through a key so as to rotate under the driving of the motor, the connection form is convenient and fast, but the fan sleeve is easy to axially shift due to the limitation of the machining precision of a workpiece, so that the fan generates noise in the rotating process, and the driving experience is influenced. Accordingly, there is a need for an automotive fan structure that is reliably connected to the motor shaft to prevent axial play of the fan sleeve.
Disclosure of Invention
The invention provides an automobile fan structure and a fan sleeve thereof, which aim to solve the problem that the axial connection of the existing fan sleeve is unreliable.
The invention relates to an automobile fan structure and a fan sleeve thereof, which adopt the following technical scheme:
an automobile fan sleeve comprises a clamping outer cylinder, a clamping inner cylinder, an elastic strip, a motor shaft connector and a positioning ring; the clamping inner cylinder is vertically arranged on the inner side of the clamping outer cylinder, an installation gap is reserved between the clamping inner cylinder and the inner wall of the clamping outer cylinder, and a stop block is arranged on the outer wall of the clamping inner cylinder; a clamping groove is formed in the inner wall of the clamping outer cylinder; the elastic strips are multiple, the lower end of each elastic strip is arranged at the upper end of the motor shaft connector, and the elastic strips are uniformly distributed along the circumferential direction of the motor shaft connector; each elastic strip comprises an elastic column and a buckle, the elastic column of each elastic strip arches outwards, the lower end of the buckle is connected with the upper end of the elastic column, the connection part is hinged to the positioning ring, and a bulge is arranged on the outer side of the middle section of the elastic column; when the lower end of the clamping outer cylinder is contacted with the upper end of the motor shaft connector, the elastic column is inserted into the mounting gap, the bulge is clamped into the clamping groove, the buckle is clamped on the stop block, and the outward arching height of the elastic column is smaller than the outward arching height of the elastic column when the elastic column is not inserted into the mounting gap.
The automobile fan sleeve further comprises an unlocking ring, wherein the unlocking ring is arranged on the inner wall of the clamping outer cylinder and is positioned above the clamping groove; the cylinder wall of the clamping inner cylinder is provided with an unlocking avoiding groove extending vertically, the upper end of the unlocking avoiding groove is located above the unlocking ring, and the lower end of the unlocking avoiding groove is located below the unlocking ring.
An unlocking screw is arranged at the upper end of the clamping inner cylinder and used for sealing an opening at the upper end of the clamping inner cylinder.
The protruding up end is the cambered surface to make the inner wall of joint urceolus move downwards along the cambered surface and inwards extrude protrudingly, the outer end of bellied lower extreme is not higher than the inner, in order to hinder joint urceolus rebound when cooperating with the draw-in groove.
The elastic column upper end of the elastic strip is connected with the lower end of the buckle through the connecting cylinder which is horizontally arranged, and the positioning ring sequentially penetrates through the connecting cylinder to enable the elastic strip to be hinged to the positioning ring.
The invention also provides an automobile fan structure, which comprises a fan shell, fan blades and the automobile fan sleeve, wherein the automobile fan sleeve is arranged in the fan shell, and the fan blades are arranged on the outer wall of the clamping outer cylinder; one end of the motor shaft connector is provided with a transmission shaft used for being connected with a motor spindle, and the other end of the motor shaft connector can drive the clamping outer cylinder and the clamping inner cylinder to synchronously rotate after being connected with the clamping outer cylinder and the clamping inner cylinder.
The center of the upper end of the motor shaft connector is provided with a vertical transmission column which extends upwards, and the transmission column is inserted into the clamping inner cylinder and is connected with the clamping inner cylinder through a spline.
The flabellum has a plurality ofly, and the car fan sleeve that corresponds has a plurality ofly, is provided with the belt groove on the motor shaft connector, and the telescopic motor shaft connector of a plurality of car fans is connected through installing in the belt in belt groove to drive a plurality of flabellums synchronous revolution when the transmission shaft of one of them motor shaft connector is connected with the motor spindle.
An unlocking screw of the automobile fan sleeve is connected with the fan shell through a bearing.
The front side and the rear side of the fan shell are provided with fixing frames, and the two fixing frames are respectively positioned on the front side and the rear side of the fan blade.
The invention has the beneficial effects that: according to the automobile fan sleeve, the connection can be completed only by mutually pushing the clamping outer cylinder, the clamping inner cylinder and the motor shaft connector, so that the operation is simple; when the elastic strip restores to deform, the gap between the stop block and the buckle caused by processing errors can be compensated, and the requirement on the processing precision of the relative position of the stop block and the buckle is not high; and certain pretightening force exists between the connected clamping outer cylinder, the clamping inner cylinder and the motor shaft connector, so that the fan is not easy to axially move in the rotating process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a rear side view of an exemplary embodiment of a fan assembly of an automobile according to the present invention;
FIG. 2 is a schematic front side view of an exemplary fan structure of an automobile according to the present invention;
FIG. 3 is a cross-sectional view of an embodiment of an automotive fan structure according to the present invention;
FIG. 4 is a schematic half-sectional view of an embodiment of an automotive fan shroud according to the present invention;
FIG. 5 is a schematic view of an embodiment of an automotive fan shroud in half section in accordance with the present invention;
FIG. 6 is a schematic view of a state of the elastic strip in an embodiment of the fan sleeve of the present invention;
FIG. 7 is a schematic view of another state of the elastic strip in an embodiment of the fan sleeve of the present invention;
FIG. 8 is a schematic view of the connection of the motor shaft connector and the elastic strip of the embodiment of the fan sleeve of the present invention;
FIG. 9 is a schematic view of an embodiment of a retaining ring of the present invention;
FIG. 10 is an exploded view of the fan blade and the fan sleeve of an embodiment of the present invention;
in the figure: 1. a fan housing; 2. an automotive fan sleeve; 40. unlocking the ring; 301. positioning rings; 302. a connecting cylinder; 11. fixing the ear; 12. a belt; 13. a fan blade; 14. a fixed mount; 15. a bearing; 21. unlocking the screw; 22. clamping the outer barrel; 221. a card slot; 23. Clamping the inner cylinder; 231. unlocking the avoidance groove; 232. a stop block; 24. a motor shaft connector; 241. a drive shaft; 242. a drive post; 243. a belt groove; 25. an elastic strip; 251. buckling; 252. and (4) protruding.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of an automotive fan sleeve 2 according to the present invention, as shown in fig. 1 to 10, includes a snap-fit outer cylinder 22, a snap-fit inner cylinder 23, an elastic strip 25, a motor shaft connector 24, and a positioning ring 301.
The clamping inner cylinder 23 is vertically arranged at the inner side of the clamping outer cylinder 22, a gap is left between the clamping inner cylinder 23 and the inner wall of the clamping outer cylinder 22, and a stop block 232 is arranged on the outer wall of the clamping inner cylinder 23.
The inner wall of the clamping outer cylinder 22 is provided with a plurality of clamping grooves 221 matched with the protrusions 252.
When elastic strip 25 from down up inserts the installation clearance of joint inner tube 23 and joint urceolus 22, the inner wall of joint urceolus 22 makes the elasticity post inwards cave in and the camber grow extension through extrusion arch 252, position circle 301 rebound, buckle 251 is restricted by position circle 301 and outwards rotates and upwards moves along with position circle 301, contact to joint urceolus 22 lower extreme and motor shaft connector 24 upper end, arch 252 gets into in the draw-in groove 221, elasticity post resume the part outwards hunch-up, buckle 251 resume the part inwards rotate and downwards move and block in backstop piece 232 along with position circle 301, in order to prevent joint urceolus 22 and motor shaft connector 24 axial float.
In this embodiment, the automotive fan sleeve 2 further includes an unlocking ring 40, and the unlocking ring 40 is installed on the inner wall of the clamping outer cylinder 22 and located above the clamping groove 221; an unlocking avoiding groove 231 extending vertically is formed in the wall of the clamping inner cylinder 23, the upper end of the unlocking avoiding groove 231 is located above the unlocking ring 40, and the lower end of the unlocking avoiding groove 231 is located below the unlocking ring 40. When the automobile fan sleeve 2 needs to be disassembled, the horizontal section of the L-shaped stick extends into the unlocking avoiding groove 231 and extrudes the unlocking ring 40 downwards, so that the unlocking ring 40 is extruded into the elastic column and the inner wall of the clamping outer cylinder 22 to enable the elastic column to be sunken inwards and enable the protrusion 252 to be separated from the clamping groove 221, the buckle 251 is further rotated outwards to be separated from the stop block 232, and the clamping outer cylinder 22 and the clamping inner cylinder 23 can move upwards to be separated from the motor shaft connector 24.
In this embodiment, the upper end of the clamping inner cylinder 23 is provided with an unlocking screw 21, and the unlocking screw 21 is in threaded connection with the inner wall of the clamping inner cylinder 23 to close the opening at the upper end of the clamping inner cylinder 23.
In this embodiment, the upper end of the elastic column of the elastic strip 25 is connected to the lower end of the buckle 251 through the connecting cylinder 302 arranged horizontally, and the positioning ring 301 sequentially passes through the connecting cylinder 302 to hinge the elastic strip 25 to the positioning ring 301.
In this embodiment, the upper end surface of the protrusion 252 is an arc surface, so that the inner wall of the latch outer cylinder 22 moves downward along the arc surface and presses the protrusion 252 inward, and the outer end of the lower end surface of the protrusion 252 is not higher than the inner end, so as to prevent the latch outer cylinder 22 from moving upward when being matched with the locking groove 221.
The invention also provides an automobile fan structure, which comprises a fan shell 1, fan blades 13 and an automobile fan sleeve 2, wherein the automobile fan sleeve 2 is arranged in the fan shell 1, and the fan blades 13 are arranged on the outer wall of the clamping outer cylinder 22; one end of the motor shaft connector 24 is provided with a transmission shaft 241 connected with the motor spindle, and the other end of the motor shaft connector is connected with the clamping outer cylinder 22 and the clamping inner cylinder 23 and then can drive the clamping outer cylinder 22 and the clamping inner cylinder 23 to synchronously rotate.
In this embodiment, a driving post 242 extending vertically and upwardly is disposed at the center of the upper end of the motor shaft connector 24, and the driving post 242 is inserted into the clamping inner cylinder 23 and is splined with the clamping inner cylinder 23.
In this embodiment, there are a plurality of fan blades 13, and there are a plurality of corresponding automobile fan sleeves 2, and a belt groove 243 is provided on the motor shaft connector 24, and the motor shaft connectors 24 of the plurality of automobile fan sleeves 2 are connected through a belt 12 installed in the belt groove 243 to drive the plurality of fan blades 13 to rotate synchronously when the transmission shaft 241 of one of the motor shaft connectors 24 is connected with the motor spindle.
In the present embodiment, the unlocking screw 21 is connected to the fan housing 1 through the bearing 15.
In this embodiment, the front side and the rear side of the fan housing 1 are both provided with fixing frames 14, and the two fixing frames 14 are respectively located at the front side and the rear side of the fan blade 13.
In the present embodiment, the fan housing 1 is provided with a plurality of fixing lugs 11 at the edge for mounting the fan structure of the automobile.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. An automobile fan sleeve characterized in that: comprises a clamping outer cylinder, a clamping inner cylinder, an elastic strip, a motor shaft connector and a positioning ring; the clamping inner cylinder is vertically arranged on the inner side of the clamping outer cylinder, an installation gap is reserved between the clamping inner cylinder and the inner wall of the clamping outer cylinder, and a stop block is arranged on the outer wall of the clamping inner cylinder; a clamping groove is formed in the inner wall of the clamping outer cylinder; the elastic strips are multiple, the lower end of each elastic strip is arranged at the upper end of the motor shaft connector, and the elastic strips are uniformly distributed along the circumferential direction of the motor shaft connector; each elastic strip comprises an elastic column and a buckle, the elastic column of each elastic strip arches outwards, the lower end of the buckle is connected with the upper end of the elastic column, the connection part is hinged to the positioning ring, and a bulge is arranged on the outer side of the middle section of the elastic column; when the lower end of the clamping outer cylinder is contacted with the upper end of the motor shaft connector, the elastic column is inserted into the mounting gap, the bulge is clamped into the clamping groove, the buckle is clamped on the stop block, the outward arching height of the elastic column is smaller than the outward arching height of the elastic column when the elastic column is not inserted into the mounting gap, the clamping device also comprises a unlocking ring, and the unlocking ring is arranged on the inner wall of the clamping outer cylinder and is positioned above the clamping groove; the cylinder wall of the clamping inner cylinder is provided with an unlocking avoiding groove extending vertically, the upper end of the unlocking avoiding groove is located above the unlocking ring, and the lower end of the unlocking avoiding groove is located below the unlocking ring.
2. The automotive fan sleeve of claim 1, wherein: an unlocking screw is arranged at the upper end of the clamping inner cylinder and used for sealing an opening at the upper end of the clamping inner cylinder.
3. The automotive fan sleeve of claim 1, wherein: the protruding up end is the cambered surface to make the inner wall of joint urceolus move downwards along the cambered surface and inwards extrude protrudingly, the outer end of bellied lower extreme is not higher than the inner, in order to hinder joint urceolus rebound when cooperating with the draw-in groove.
4. The automotive fan sleeve of claim 1, wherein: the elastic column upper end of the elastic strip is connected with the lower end of the buckle through the connecting cylinder which is horizontally arranged, and the positioning ring sequentially penetrates through the connecting cylinder to enable the elastic strip to be hinged to the positioning ring.
5. An automobile fan structure, its characterized in that: the automobile fan sleeve comprises a fan shell, fan blades and the automobile fan sleeve as claimed in any one of claims 1 to 4, wherein the automobile fan sleeve is arranged in the fan shell, and the fan blades are arranged on the outer wall of the clamping outer cylinder; one end of the motor shaft connector is provided with a transmission shaft used for being connected with a motor spindle, and the other end of the motor shaft connector can drive the clamping outer cylinder and the clamping inner cylinder to synchronously rotate after being connected with the clamping outer cylinder and the clamping inner cylinder.
6. The fan structure for vehicles according to claim 5, wherein: the center of the upper end of the motor shaft connector is provided with a vertical transmission column which extends upwards, and the transmission column is inserted into the clamping inner cylinder and is connected with the clamping inner cylinder through a spline.
7. The fan structure for vehicle according to claim 5, wherein: the flabellum has a plurality ofly, and the car fan sleeve that corresponds has a plurality ofly, is provided with the belt groove on the motor shaft connector, and the telescopic motor shaft connector of a plurality of car fans is connected through installing in the belt in belt groove to drive a plurality of flabellums synchronous revolution when the transmission shaft of one of them motor shaft connector is connected with the motor spindle.
8. The fan structure for vehicle according to claim 5, wherein: the front side and the rear side of the fan shell are provided with fixing frames, and the two fixing frames are respectively positioned on the front side and the rear side of the fan blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011393030.5A CN112524072B (en) | 2020-12-02 | 2020-12-02 | Automobile fan structure and fan sleeve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011393030.5A CN112524072B (en) | 2020-12-02 | 2020-12-02 | Automobile fan structure and fan sleeve thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112524072A CN112524072A (en) | 2021-03-19 |
| CN112524072B true CN112524072B (en) | 2022-04-26 |
Family
ID=74996298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011393030.5A Active CN112524072B (en) | 2020-12-02 | 2020-12-02 | Automobile fan structure and fan sleeve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112524072B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008309032A (en) * | 2007-06-13 | 2008-12-25 | Nippon Kobunshi Kk | Vibration isolation apparatus for blower fan and blower fan structure body |
| CN107355421A (en) * | 2017-08-31 | 2017-11-17 | 田立平 | The connection component of flabellum and the fan with the connection component |
| CN209458156U (en) * | 2018-12-27 | 2019-10-01 | 珠海格力电器股份有限公司 | Fan blade motor shaft fixed knot constructs and air conditioner |
| CN110529415A (en) * | 2019-09-16 | 2019-12-03 | 珠海格力电器股份有限公司 | Driven gear assembly and fan |
| CN110848951A (en) * | 2019-11-26 | 2020-02-28 | 珠海格力电器股份有限公司 | Elastic locking limiting part, push-out type air deflector limiting structure and air conditioner |
| CN210343770U (en) * | 2019-05-06 | 2020-04-17 | 江苏德鹏空调设备有限公司 | Ventilation type fan convenient to installation |
-
2020
- 2020-12-02 CN CN202011393030.5A patent/CN112524072B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008309032A (en) * | 2007-06-13 | 2008-12-25 | Nippon Kobunshi Kk | Vibration isolation apparatus for blower fan and blower fan structure body |
| CN107355421A (en) * | 2017-08-31 | 2017-11-17 | 田立平 | The connection component of flabellum and the fan with the connection component |
| CN209458156U (en) * | 2018-12-27 | 2019-10-01 | 珠海格力电器股份有限公司 | Fan blade motor shaft fixed knot constructs and air conditioner |
| CN210343770U (en) * | 2019-05-06 | 2020-04-17 | 江苏德鹏空调设备有限公司 | Ventilation type fan convenient to installation |
| CN110529415A (en) * | 2019-09-16 | 2019-12-03 | 珠海格力电器股份有限公司 | Driven gear assembly and fan |
| CN110848951A (en) * | 2019-11-26 | 2020-02-28 | 珠海格力电器股份有限公司 | Elastic locking limiting part, push-out type air deflector limiting structure and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN112524072A (en) | 2021-03-19 |
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