CN113389746A - Fan blade new framework for preventing spring from deviating - Google Patents
Fan blade new framework for preventing spring from deviating Download PDFInfo
- Publication number
- CN113389746A CN113389746A CN202110789477.2A CN202110789477A CN113389746A CN 113389746 A CN113389746 A CN 113389746A CN 202110789477 A CN202110789477 A CN 202110789477A CN 113389746 A CN113389746 A CN 113389746A
- Authority
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- China
- Prior art keywords
- fan blade
- ball bearing
- assembly
- middle pipe
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims description 6
- 241000883990 Flabellum Species 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000010073 coating (rubber) Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/059—Roller bearings
-
- 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
- F04D29/26—Rotors specially for elastic fluids
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a novel fan blade framework for preventing spring deviation, which comprises a shooting outer frame with a middle pipe arranged in the center, a motor assembly and a rotor assembly, wherein the rotor assembly comprises a fan blade assembly, an axis and a magnet, the top and the bottom of a first convex ring on the inner wall of the middle pipe are respectively provided with a first ball bearing and a second ball bearing, the bottom of the fan blade assembly is provided with a second convex ring concentric with the axis, the tops of the fan blade assembly and the first ball bearing are provided with springs sleeved outside the axis and positioned inside the second convex ring, the axis of the rotor assembly is tensioned through a first ring groove and a retaining ring, the first ball bearing and the second ball bearing in the middle pipe are quickly and reliably installed at the top and the bottom of the first convex ring under the floating support of a compression spring, and the springs are concentrically limited through the second convex ring and a third convex ring on the fan blade assembly, so that the springs cannot deviate in the assembling and fan rotating processes, Avoid with first ball bearing's skew friction and abnormal sound, improve fan operating stability and life-span, improve the product quality.
Description
Technical Field
The invention relates to a novel fan blade framework for preventing a spring from deviating, and belongs to the technical field of fan structures.
Background
The fan is characterized in that a motor drives blades to rotate, so that air is enabled to circulate in an accelerated mode, heat of components such as electronic elements is conducted and blown to nearby air quickly, and the cooling effect is achieved. The fan blade bearing and the assembly thereof are important parts in the fan, the service life, the rotating speed, the air exhaust amount and the running noise of the fan are directly influenced, lubricating oil is used as a lubricating agent and a drag reducer when the single oil-containing bearing is adopted for installing the axis of the fan blade, the running noise is low during the initial use, but the bearing is easy to wear, the lubricating oil in the bearing has oil leakage phenomenon along with the use time so that the noise is increased, and the risk of polluting other accessories is existed, when the spring is adopted for installing double bearings, because the gap exists between the inside of the spring and the axis of the fan blade, the coaxiality is poor, when the spring is placed in the fan blade, the spring is easy to deflect left and right or front and back, if the spring deflects, the bearing is easy to deflect and rub during the assembly, and the abnormal sound of products is caused.
Disclosure of Invention
The invention aims to provide a novel fan blade structure for preventing a spring from deviating, wherein the spring is concentrically limited by a second convex ring and a third convex ring on a fan blade component, so that the spring does not deviate in the assembling and fan rotating processes, the deviating friction and abnormal sound with a first ball bearing are avoided, the running stability and service life of the fan are improved, and the product quality is improved.
The invention is realized by the following technical scheme:
a novel fan blade framework for preventing spring deviation comprises a shooting outer frame with a middle pipe in the center, a motor assembly fixed outside the middle pipe, and a rotor assembly located outside the top of the motor assembly, wherein the rotor assembly comprises a fan blade assembly, an axis located in the center of the fan blade assembly and arranged in the middle pipe, and a magnet located on the inner wall of the fan blade assembly and outside the motor assembly, the motor assembly comprises a shooting stator with the inner wall in interference fit with the outer wall of the middle pipe, and a PCBA plate fixed at the bottom of the shooting stator, a first convex ring in an integrated chamber structure is arranged on the inner wall of the middle pipe, and a first ball bearing and a second ball bearing are respectively arranged at the top and the bottom of the first convex ring;
the fan blade assembly and the top of the first ball bearing are provided with springs which are sleeved outside the axle center and positioned inside the second convex ring, the axle center is concentrically provided with a first annular groove, and the bottom of the second ball bearing is provided with a retaining ring matched with the first annular groove;
the fan blade assembly comprises a fan blade main body with an omega-shaped cross section and a plurality of blades arranged on the fan blade main body at intervals around an axis, a third convex ring which is concentric with the axis and is positioned in the spring is arranged on the fan blade main body, a second annular groove which is arranged corresponding to the bottom of the spring is arranged at the top of the first ball bearing, and the spring is of a tapered spiral structure which contracts downwards and inwards;
penetrate a packet frame top and be equipped with the upper cover that is located the outer top of rotor subassembly, penetrate a packet frame top and be equipped with the notch, the upper cover bottom be equipped with notch complex locating piece, the upper cover cross-section is L shape structure, penetrate and be equipped with the fourth bulge loop that makes progress arch, be located well outside of tubes on the packet frame, be equipped with the third annular in the fourth bulge loop, be equipped with on the well outer wall and cooperate fixed fifth bulge loop with third annular rubber coating, penetrate a packet frame bottom and be fixed with the base that corresponds well pipe and axle center setting.
The invention has the beneficial effects that:
(1) the shooting outer frame is matched with a fifth bulge ring of the middle pipe through the shape of a third ring groove of the fourth bulge ring, rubber coating and injection molding are carried out to form an integrated structure, the binding force and the strength are improved, the axis of the rotor assembly is tensioned with the retaining ring through the first ring groove, and the first ball bearing and the second ball bearing in the middle pipe are quickly and reliably mounted at the top and the bottom of the first bulge ring under the floating support of the compression spring, so that the whole structure is stable, the assembly and disassembly are quick, the support performance is reliable, the reduction of the friction coefficient in the movement process is facilitated, the rotation precision is ensured, and the shooting outer frame is particularly suitable for a high-speed rotating fan;
(2) through the concentric spacing of second bulge loop and third bulge loop on the flabellum subassembly to the spring, make the spring in the equipment, the rotatory in-process of fan can not produce the skew, avoid with first ball bearing's skew friction and abnormal sound, switch on by motor sub-assembly PCBA board control circuit circular telegram control shooting package stator coil and produce inside excitation, make the flabellum subassembly that has the rotor subassembly of magnetite around the axle center, with first ball bearing, the cooperation of second ball bearing is rotatory down, produce the wind-force effect that sees through the upper cover, thereby improve fan operating stability and life-span, improve product quality.
Drawings
FIG. 1 is a general assembly drawing of the present invention.
Fig. 2 is an assembly view of the present invention.
Fig. 3 is a structure view of the rotor assembly and the spring of the present invention.
The labels in the figure are: the device comprises a middle pipe 1, a shooting packet outer frame 2, a motor assembly 3, a rotor assembly 4, a fan blade assembly 41, an axle center 42, a magnet 43, a shooting packet stator 31, a PCBA board 32, a first convex ring 5, a first ball bearing 6, a second ball bearing 7, a second convex ring 8, a spring 9, a first annular groove 10, a retaining ring 11, a fan blade main body 411, blades 412, a third convex ring 12, a second annular groove 13, an upper cover 14, a positioning block 15, a fourth convex ring 16, a third annular groove 17, a fifth convex ring 18, a base 19, an acetic acid patch 20 and a notch 21.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
A new fan blade framework for preventing spring deviation comprises a shooting outer frame 2 with a middle pipe 1 in the center, a motor assembly 3 fixed outside the middle pipe 1 and a rotor assembly 4 positioned outside the top of the motor assembly 3, wherein the rotor assembly 4 comprises a fan blade assembly 41, an axle center 42 positioned in the center of the fan blade assembly and arranged in the middle pipe 1 and a magnet 43 positioned on the inner wall of the fan blade assembly 41 and outside the motor assembly 3, the motor assembly 3 comprises a shooting stator 31 with the inner wall in interference fit with the outer wall of the middle pipe 1 and a PCBA plate 32 fixed at the bottom of the shooting stator 31, a first convex ring 5 in an integrated chamber structure is arranged on the inner wall of the middle pipe 1, and a first ball bearing 6 and a second ball bearing 7 are respectively arranged at the top and the bottom of the first convex ring 5;
the inner wall and the outer wall of the first ball bearing 6 and the second ball bearing 7 are respectively in clearance fit with the axle center 42 and the middle pipe 1, the bottom of the fan blade assembly 41 is provided with a second convex ring 8 which is concentric with the axle center 42 and protrudes downwards, the tops of the fan blade assembly 41 and the first ball bearing 6 are provided with a spring 9 which is sleeved outside the axle center 42 and is positioned inside the second convex ring 8, the axle center 42 is concentrically provided with a first annular groove 10, the bottom of the second ball bearing 7 is provided with a retaining ring 11 which is matched with the first annular groove 10, and the retaining ring 11 is made of metal;
the fan blade assembly 41 comprises a fan blade main body 411 with an omega-shaped cross section and a plurality of blades 412 arranged on the fan blade main body 411 at intervals around an axis 42, a third convex ring 12 which is concentric with the axis 42 and is positioned inside a spring 9 is arranged on the fan blade main body 411, the cross section of the top of the third convex ring 12 is of an arc structure inclined to the side wall, a second annular groove 13 which is arranged corresponding to the bottom of the spring 9 is arranged at the top of the first ball bearing 6, and the spring 9 is of a tapered spiral structure which contracts downwards and inwards;
penetrate 2 tops of package frame and be equipped with the upper cover 14 that is located rotor subassembly 4 outer top, penetrate 2 tops of package frame and be equipped with notch 21, 14 bottoms of upper cover are equipped with notch 21 complex locating piece 15, and the upper cover 14 cross-section is L shape structure, penetrate and be equipped with on the package frame 2 and make progress protrudingly, be located the outside fourth bulge loop 16 of well pipe 1, be equipped with third annular 17 in the fourth bulge loop 16, be equipped with on the well 1 outer wall and cooperate fixed fifth bulge loop 18 with third annular 17 rubber coating, penetrate package frame 2 bottom and be fixed with the base 19 that corresponds well pipe 1 and axle center 42 setting.
The working principle of the invention is as follows:
referring to the attached drawings, the shooting package outer frame 2 is in an integrated structure by means of shape matching, encapsulation and injection molding of a third ring groove 17 of a fourth convex ring 16 and a fifth convex ring 18 of the middle pipe 1, so that the middle pipe 1 and the shooting package outer frame 2 are fixedly connected, the bonding force and strength of the shooting package outer frame 2 and the middle pipe 1 are improved, and the motor assembly 3 is fast concentrically positioned and installed through interference fit between the inner wall of the shooting package stator 31 and the outer wall of the middle pipe 1;
a first ball bearing 6 is arranged at the top of a first convex ring 5 in a middle pipe 1, the outer wall of the first ball bearing 6 is in clearance fit with the inner wall of the middle pipe 1 to ensure concentricity during limiting, a spring 9 in a downward and inward contraction conical spiral shape is sleeved outside an axle center 42 and is arranged between a second convex ring 8 and a third convex ring 12 of a fan blade assembly 41 for positioning, the top section of the third convex ring 12 is in an arc structure inclined to the side wall to ensure limiting stability, and the shape of the spring 9 is suitable for reliable installation of the first ball bearing 6;
the shaft center 42 passes through the center of the first ball bearing 6, the fan blade component 41 is supported by the spring 9 which is limited between the second convex ring 8 and the third convex ring 12, the second annular groove 13 at the top of the first ball bearing 6 is matched with the bottom of the spring 9 to ensure the positioning property of the bottom of the spring 9, the second annular groove 13 is arranged on the inner ring of the first ball bearing 6, the second ball bearing 7 is sleeved at the bottom of the shaft center 42 and is in clearance fit with the middle pipe 1 until being in limited fit with the bottom of the first convex ring 5, the rotor component 4 is continuously pressed downwards to compress the spring 9, the metal retaining ring 11 is sleeved at the bottom of the shaft center 42 and is in limit fit with the first annular groove 10 of the shaft center 42, the fan blade assembly 41 and the first ball bearing 6 are supported in a floating mode under the action of the elastic restoring force of the spring 9, the second ball bearing 7 is guaranteed to be installed in a limiting and positioning mode under the first convex ring 5 by the tensioning retaining ring 11, and the rotor assembly 4 can be installed in a rotating and fixed mode;
the upper cover 14 with the L-shaped section is matched with the notch 21 at the top of the shooting bag outer frame 2 through the positioning block 15 for fast positioning, the upper cover 14 and the shooting bag outer frame 2 are fixed to form a protection effect on a rotating flow field of the fan blade assembly 41, the base 19 is arranged corresponding to the middle pipe 1 and the shaft center 42 and fixedly seals the shaft center 42 with the bottom of the shooting bag outer frame 2, integral assembly is realized, and a label or acetic acid sticking cloth 20 can be further attached for further fixing or marking;
the control circuit of the PCBA board 32 of the motor assembly 3 is electrified to control the conduction of the coil of the shooting packet stator 31 to generate internal excitation, so that the fan blade assembly 41 of the rotor assembly 4 with the magnet 43 rotates around the shaft center 42 under the matching with the first ball bearing 6 and the second ball bearing 7 to generate the wind force effect penetrating through the upper cover 14, the first ball bearing 6 and the second ball bearing 7 support mechanical rotation, the friction coefficient in the motion process is reduced, the rotation precision is ensured, the rolling friction is used for replacing the traditional sliding friction, no lubricating oil is needed, the problem of oil leakage does not exist, the service life and the ageing resistance are better, the motor assembly is suitable for a high-speed rotating fan, and the air volume is favorably improved;
to sum up, axle center 42 of rotor subassembly 4 is taut with retaining ring 11 through first annular 10, realize well intraductal 1 first ball bearing 6 under compression spring's 9 floating support, second ball bearing 7 is at the quick reliable installation of first bulge loop 5 top and bottom, overall structure is stable, the dismouting is quick, support performance is reliable, it is concentric spacing to spring 9 through second bulge loop 8 and third bulge loop 12 on flabellum subassembly 41, make spring 9 in the equipment, the rotatory in-process of fan can not produce the skew, avoid with first ball bearing 6 skew friction and abnormal sound, thereby improve fan operating stability and life-span, improve the product quality.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A novel fan blade framework capable of preventing spring deviation comprises a shooting outer frame (2) with a middle pipe (1) arranged at the center, a motor assembly (3) fixed outside the middle pipe (1), and a rotor assembly (4) located outside the top of the motor assembly (3), wherein the rotor assembly (4) comprises a fan blade assembly (41), an axle center (42) located at the center of the fan blade assembly and arranged in the middle pipe (1), and a magnet (43) located on the inner wall of the fan blade assembly (41) and outside the motor assembly (3), and is characterized in that a first convex ring (5) in an integrated chamber structure is arranged on the inner wall of the middle pipe (1), and a first ball bearing (6) and a second ball bearing (7) are respectively arranged at the top and the bottom of the first convex ring (5);
first ball bearing (6), second ball bearing (7) inner wall and outer wall respectively with axle center (42) and well pipe (1) clearance fit, flabellum subassembly (41) bottom is equipped with axle center (42) concentric, bellied second bulge loop (8) down, flabellum subassembly (41) are equipped with the cover with first ball bearing (6) top and locate axle center (42) outside, be located spring (9) of second bulge loop (8) inside, be equipped with first annular (10) on axle center (42) with one heart, second ball bearing (7) bottom is equipped with and first annular (10) complex buckle (11).
2. The new structure of fan blade for preventing spring bias as claimed in claim 1, wherein said motor assembly (3) comprises a shooting pack stator (31) with inner wall interference fit with outer wall of middle tube (1), and a PCBA board (32) fixed on bottom of shooting pack stator (31).
3. The new structure of fan blade for preventing spring from deviating as claimed in claim 1, wherein said fan blade assembly (41) comprises a fan blade main body (411) with a cross section in an Ω -shaped structure, and a plurality of blades (412) disposed on the fan blade main body (411) at intervals around the axis (42), said fan blade main body (411) being provided with a third protruding ring (12) disposed concentrically with the axis (42) and located inside the spring (9).
4. The new structure of fan blade for preventing spring bias as claimed in claim 1, wherein the top section of said third protruding ring (12) is an arc structure inclined to the side wall.
5. The new structure of fan blade for preventing spring bias as claimed in claim 1, wherein the top of the first ball bearing (6) is provided with a second ring groove (13) corresponding to the bottom of the spring (9).
6. The new structure of fan blade for preventing spring from deviation as claimed in claim 1, wherein said spring (9) has a tapered spiral structure that is retracted downward.
7. The new structure of fan blade for preventing spring bias according to claim 1, wherein the top of the shooting pack outer frame (2) is provided with an upper cover (14) located at the top outside the rotor assembly (4), the top of the shooting pack outer frame (2) is provided with a notch (21), the bottom of the upper cover (14) is provided with a positioning block (15) matched with the notch (21), and the cross section of the upper cover (14) is in an L-shaped structure.
8. The structure of claim 1, wherein said retaining ring (11) is made of metal.
9. The new structure of fan blade for preventing spring bias according to claim 1, wherein the shooting casing (2) is provided with a fourth protruding ring (16) protruding upward and located outside the middle pipe (1), the fourth protruding ring (16) is provided with a third ring groove (17), and the outer wall of the middle pipe (1) is provided with a fifth protruding ring (18) fixed with the third ring groove (17) in an encapsulating manner.
10. The new structure of fan blade for preventing spring bias according to any of claims 1-9, wherein a base (19) corresponding to the middle tube (1) and the shaft center (42) is fixed at the bottom of the shooting pack outer frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789477.2A CN113389746A (en) | 2021-07-13 | 2021-07-13 | Fan blade new framework for preventing spring from deviating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789477.2A CN113389746A (en) | 2021-07-13 | 2021-07-13 | Fan blade new framework for preventing spring from deviating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113389746A true CN113389746A (en) | 2021-09-14 |
Family
ID=77625899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110789477.2A Pending CN113389746A (en) | 2021-07-13 | 2021-07-13 | Fan blade new framework for preventing spring from deviating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113389746A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117145789A (en) * | 2023-09-26 | 2023-12-01 | 肇庆晟辉电子科技有限公司 | Middle pipe and long-service-life high-rotation-speed ball fan for fan |
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| CN101056017A (en) * | 2006-04-14 | 2007-10-17 | 日本伺服有限公司 | Axial fan motor |
| CN200999738Y (en) * | 2006-12-19 | 2008-01-02 | 陈正钢 | Heat radiating fun having display function |
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| CN101555890A (en) * | 2008-04-09 | 2009-10-14 | 富准精密工业(深圳)有限公司 | Radiator fan and fan frame thereof |
| CN206988143U (en) * | 2017-06-20 | 2018-02-09 | 深圳市仕贝德科技有限公司 | A kind of rotary buckle radiator fan |
| CN209704871U (en) * | 2018-12-10 | 2019-11-29 | 鑫贺精密电子(东莞)有限公司 | A kind of radiator fan showing text |
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2021
- 2021-07-13 CN CN202110789477.2A patent/CN113389746A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101056017A (en) * | 2006-04-14 | 2007-10-17 | 日本伺服有限公司 | Axial fan motor |
| CN200999738Y (en) * | 2006-12-19 | 2008-01-02 | 陈正钢 | Heat radiating fun having display function |
| TW200919156A (en) * | 2007-10-25 | 2009-05-01 | Global Win Technology Co Ltd | Fanner structure with dust-proof, energy saving and extended lifespan effects |
| CN101555890A (en) * | 2008-04-09 | 2009-10-14 | 富准精密工业(深圳)有限公司 | Radiator fan and fan frame thereof |
| CN201190677Y (en) * | 2008-04-28 | 2009-02-04 | 宝安区龙华凯美电机厂 | Waterproof type radiator fan |
| CN206988143U (en) * | 2017-06-20 | 2018-02-09 | 深圳市仕贝德科技有限公司 | A kind of rotary buckle radiator fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117145789A (en) * | 2023-09-26 | 2023-12-01 | 肇庆晟辉电子科技有限公司 | Middle pipe and long-service-life high-rotation-speed ball fan for fan |
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Application publication date: 20210914 |