CN114320968A - Concentric positioning mechanism for fan assembly - Google Patents
Concentric positioning mechanism for fan assembly Download PDFInfo
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- CN114320968A CN114320968A CN202111660007.2A CN202111660007A CN114320968A CN 114320968 A CN114320968 A CN 114320968A CN 202111660007 A CN202111660007 A CN 202111660007A CN 114320968 A CN114320968 A CN 114320968A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 35
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a concentric positioning mechanism for fan assembly, which relates to the technical field of fans and solves the problem that the mounting position of a fan blade is difficult to position when the existing fan is assembled.
Description
Technical Field
The invention relates to the technical field of fans, in particular to a concentric positioning mechanism for fan assembly.
Background
The fan refers to a tool for cooling by generating wind in hot days. The electric fan is a device which is driven by electricity to generate air flow, and the fan arranged in the electric fan rotates after being electrified, and mechanical energy is converted into wind energy, so that natural wind is formed to achieve a cool effect.
The conventional fan is not easy to accurately position the fixed position of a fan blade in the assembling process, and the fan blade is possibly installed too close to or too far away from a motor part, so that the fan blade is not firmly fixed, and the fan blade is easy to shake and the like during the work of the fan.
Disclosure of Invention
The invention aims to provide a concentric positioning mechanism for fan assembly, which can accurately position the mounting position of fan blades, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a concentric positioning mechanism for assembling a fan relates to the technical field of fans and solves the problem that the mounting position of a fan blade is not easy to position when the existing fan is assembled.
Preferably, the positioning structure comprises a fixing block, the fixing block is fixed on the main shaft, the fixing block is provided with two installation blocks, the installation blocks are symmetrically distributed on the fixing block, the fan blades are provided with through holes, the main shaft penetrates through the through holes, one side, close to the fixing block, of each through hole is provided with an installation groove, a rotary groove is arranged in each installation groove, and a limiting part used for limiting rotation of the installation blocks is arranged in each rotary groove and used for limiting the installation position of each fan blade.
Preferably, the locating part includes the stopper, and one side that the fixed block was kept away from to the rotary trough is equipped with the standing groove, is equipped with the spout in the standing groove, stopper and spout sliding connection, and the spout bottom is equipped with the spring, and spring one end is fixed with the spout, and the other end is fixed with the stopper, and one side that the stopper is close to the mounting groove is equipped with the inclined plane, prevents to produce between fan blade and main shaft and rotates.
Preferably, the mounting block and the mounting groove are trapezoidal and used for dispersing stress borne by the mounting block when the fan blade rotates.
Preferably, the fixed knot constructs including the bolt, and the one end that the stopper is close to the spring is equipped with the recess, and the one end that the fixed block was kept away from to the fan blade is equipped with the slide opening, and sliding connection has the embedded column in the slide opening, and embedded column one end and recess gomphosis, the other end and bolt fastening are equipped with the internal thread in the slide opening for fix the fan blade after spacing.
Preferably, the bolt is a hexagon socket head cap screw, and the end of the slide hole far away from the limiting block is provided with a circular groove, so that the bolt is prevented from protruding out of the surface of the fan blade to occupy extra space.
Preferably, one end of the fan blade, which is far away from the motor part, is provided with a sealing cover, one side of the fan blade, which is far away from the motor part, is uniformly provided with an embedding groove, and one side of the sealing cover, which is close to the fan blade, is uniformly provided with an embedding block which is in splicing fit with the embedding groove and is used for sealing the outer side of the fan blade.
Compared with the prior art, the invention has the beneficial effects that:
the invention limits the installation position of the fan blade in the assembly process by arranging the positioning structure, and simultaneously, the fan blade is firmly fixed on the main shaft by the fixing structure, so the installation is convenient, the looseness generated when the fan blade rotates can be effectively avoided, and the stress borne by the installation block can be effectively reduced and the service life of the device can be prolonged in the process that the main shaft drives the fan blade to rotate by arranging the installation block and the installation groove into the trapezoid.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of another perspective of the overall structure of the present invention;
FIG. 3 is a schematic partial cross-sectional view of a blade structure according to the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 1;
fig. 5 is an enlarged view of fig. 3 at B.
In the figure: 1-a motor section; 2-a main shaft; 3-fan blades; 4-a positioning structure; 5-a fixed structure; 6, fixing blocks; 7-mounting a block; 8-a through hole; 9-mounting grooves; 10-turning a groove; 11-a stop; 12-a limiting block; 13-placing a groove; 14-a chute; 15-a spring; 16-inclined plane; 17-a bolt; 18-a groove; 19-a slide hole; 20-embedding columns; 21-internal thread; 22-round groove; 23-sealing the cover; 24-caulking grooves; 25-an insert.
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.
Example 1
Referring to fig. 1-5, a concentric positioning mechanism for fan assembly is shown, which includes a motor portion 1, a positioning structure 4 and a fixing structure 5, wherein an output end of the motor portion 1 is provided with a main shaft 2, the main shaft 2 is provided with a positioning structure 4 of a fan blade 3, the positioning structure 4 is located between the main shaft 2 and the fan blade 3 and is used for determining an installation position of the fan blade 3 and fixing the fan blade 3 by matching with the positioning structure 4, the fixing structure 5 is located on the fan blade 3, and by providing the positioning structure 4, the installation position of the fan blade 3 is limited during the assembly process, and meanwhile, the fan blade 3 is firmly fixed on the main shaft 2 by the fixing structure 5, so that the installation is convenient, and meanwhile, the looseness generated during the rotation of the fan blade 3 can be effectively avoided.
The positioning structure 4 comprises a fixing block 6, the fixing block 6 is fixed on the spindle 2, an installation block 7 is arranged on the fixing block 6, the installation blocks 7 are arranged on the fixing block 6, the fan blade 3 is provided with a through hole 8, the spindle 2 penetrates through the through hole 8, one side, close to the fixing block 6, of the through hole 8 is provided with an installation groove 9, a rotary groove 10 is arranged in the installation groove 9, a limiting part 11 used for limiting the rotation of the installation block 7 is arranged in the rotary groove 10, and the installation position of the fan blade 3 is limited.
One end of the fan blade 3, which is far away from the motor part 1, is provided with a sealing cover 23, one side of the fan blade 3, which is far away from the motor part 1, is uniformly provided with an caulking groove 24, and one side of the sealing cover 23, which is close to the fan blade 3, is uniformly provided with an insert 25 which is in splicing fit with the caulking groove 24 and is used for sealing the outer side of the fan blade 3.
Through aiming at the through-hole 8 with main shaft 2, wear fan blade 3 on main shaft 2, after embedding installation piece 7 in mounting groove 9, rotate fan blade 3, will install piece 7 and rotate to the rotating chute 10 inboard along rotating chute 10, then fix installation piece 7 through locating part 11 and fixed knot construct 5.
Example 2
Referring to fig. 3 and 5, the present embodiment further illustrates example 1: the limiting part 11 comprises a limiting block 12, a placing groove 13 is arranged on one side, away from the fixing block 6, of the rotating groove 10, a sliding groove 14 is arranged in the placing groove 13, the limiting block 12 is connected with the sliding groove 14 in a sliding mode, a spring 15 is arranged at the bottom of the sliding groove 14, one end of the spring 15 is fixed to the sliding groove 14, the other end of the spring is fixed to the limiting block 12, an inclined plane 16 is arranged on one side, close to the mounting groove 9, of the limiting block 12, and rotation between the fan blade 3 and the main shaft 2 is prevented.
The fixing structure 5 comprises a bolt 17, a groove 18 is formed in one end, close to the spring 15, of the limiting block 12, a sliding hole 19 is formed in one end, far away from the fixing block 6, of the fan blade 3, an embedded column 20 is connected in the sliding hole 19 in a sliding mode, one end of the embedded column 20 is embedded into the groove 18, the other end of the embedded column is fixed to the bolt 17, and an internal thread 21 is formed in the sliding hole 19 and used for fixing the fan blade 3 after limiting.
The bolt 17 is a hexagon socket head cap screw, and the end of the slide hole 19 far away from the limiting block 12 is provided with a circular groove 22, so that the bolt 17 is prevented from protruding out of the surface of the fan blade 3 to occupy extra space.
In the in-process that changes over into the turn-trough 10 with installation piece 7, installation piece 7 extrudees stopper 12 through inclined plane 16, impresses stopper 12 in standing groove 13, and spring 15 is compressed this moment, when installation piece 7 rotates turn-trough 10 inside, under the pressure effect of spring 15, stopper 12 will turn-trough 10 seals up, then drive the embedded column 20 through swivel bolt 17 and move down, when bolt 17 imbeds the circular slot 22 completely, embedded column 20 bottom supports in recess 18 bottom, with the gomphosis of recess 18.
Example 3
Referring to fig. 1, 2 and 4, the present embodiment further illustrates example 2: the positioning structure 4 comprises a fixing block 6, the fixing block 6 is fixed on the spindle 2, an installation block 7 is arranged on the fixing block 6, the installation blocks 7 are arranged on the fixing block 6, the fan blade 3 is provided with a through hole 8, the spindle 2 penetrates through the through hole 8, one side, close to the fixing block 6, of the through hole 8 is provided with an installation groove 9, a rotary groove 10 is arranged in the installation groove 9, a limiting part 11 used for limiting the rotation of the installation block 7 is arranged in the rotary groove 10, and the installation position of the fan blade 3 is limited.
The mounting block 7 and the mounting groove 9 are both trapezoidal, and in the process that the main shaft 2 drives the fan blade 3 to rotate, the stress borne by the mounting block 7 can be effectively reduced, and the service life of the device is prolonged.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A concentric positioning mechanism for a fan assembly, comprising:
the fan comprises a motor part (1), wherein a main shaft (2) is arranged at the output end of the motor part (1), and fan blades (3) are arranged on the main shaft (2);
it is characterized by also comprising:
the positioning structure (4) is positioned between the main shaft (2) and the fan blade (3) and used for determining the installation position of the fan blade (3);
the fixing structure (5) is used for being matched with the positioning structure (4) to fix the fan blade (3), and the fixing structure (5) is located on the fan blade (3).
2. A concentric positioning mechanism for a fan assembly as set forth in claim 1, wherein: location structure (4) are including fixed block (6), fixed block (6) are fixed on main shaft (2), be equipped with installation piece (7) on fixed block (6), installation piece (7) are equipped with two, and the symmetric distribution is in on fixed block (6), be equipped with through-hole (8) on fan blade (3), main shaft (2) run through-hole (8), through-hole (8) are close to one side of fixed block (6) is equipped with mounting groove (9), be equipped with rotary groove (10) in mounting groove (9), be equipped with in rotary groove (10) and be used for the restriction installation piece (7) pivoted locating part (11).
3. A concentric positioning mechanism for a fan assembly as set forth in claim 2, wherein: the limiting part (11) comprises a limiting block (12), a placing groove (13) is arranged on one side, far away from the fixing block (6), of the rotating groove (10), a sliding groove (14) is arranged in the placing groove (13), the limiting block (12) is in sliding connection with the sliding groove (14), a spring (15) is arranged at the bottom of the sliding groove (14), one end of the spring (15) is fixed to the sliding groove (14), the other end of the spring is fixed to the limiting block (12), and an inclined plane (16) is arranged on one side, close to the mounting groove (9), of the limiting block (12).
4. A concentric positioning mechanism for a fan assembly as set forth in claim 2, wherein: the mounting block (7) and the mounting groove (9) are both trapezoidal.
5. A concentric positioning mechanism for a fan assembly as set forth in claim 3, wherein: fixed knot constructs (5) including bolt (17), stopper (12) are close to the one end of spring (15) is equipped with recess (18), fan blade (3) are kept away from the one end of fixed block (6) is equipped with slide opening (19), sliding connection has studded column (20) in slide opening (19), studded column (20) one end with recess (18) gomphosis, the other end with bolt (17) are fixed, be equipped with internal thread (21) in slide opening (19).
6. A concentric positioning mechanism for fan assembly as set forth in claim 5, wherein: the bolt (17) is a hexagon socket head cap screw, and one end of the sliding hole (19) far away from the limiting block (12) is provided with a circular groove (22).
7. A concentric positioning mechanism for a fan assembly as set forth in claim 1, wherein: keep away from fan blade (3) the one end of motor portion (1) is equipped with closing cap (23), fan blade (3) are kept away from one side of motor portion (1) evenly is equipped with caulking groove (24), closing cap (23) are close to one side of fan blade (3) evenly be equipped with caulking groove (24) are pegged graft complex abaculus (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111660007.2A CN114320968A (en) | 2021-12-30 | 2021-12-30 | Concentric positioning mechanism for fan assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111660007.2A CN114320968A (en) | 2021-12-30 | 2021-12-30 | Concentric positioning mechanism for fan assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114320968A true CN114320968A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111660007.2A Pending CN114320968A (en) | 2021-12-30 | 2021-12-30 | Concentric positioning mechanism for fan assembly |
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| CN (1) | CN114320968A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10122191A (en) * | 1996-10-23 | 1998-05-12 | Matsushita Seiko Co Ltd | Blade fitting device |
| JP2012122365A (en) * | 2010-12-07 | 2012-06-28 | Nihon Denko Kk | Blower device |
| CN209414212U (en) * | 2018-11-26 | 2019-09-20 | 珠海格力电器股份有限公司 | Electric fan head component and electric fan |
| CN110953171A (en) * | 2019-11-29 | 2020-04-03 | 重庆华知光环保科技有限责任公司 | Quick detach formula fire control smoke exhaust fan |
| CN212360255U (en) * | 2020-06-05 | 2021-01-15 | 绍兴市上虞江南风机有限公司 | Energy-saving axial flow fan |
| CN212811030U (en) * | 2020-07-17 | 2021-03-26 | 云南滇能智慧能源有限公司 | Cooling component of box transformer substation for wind power generation |
| CN213602517U (en) * | 2020-12-04 | 2021-07-02 | 福建省煜坤强威电机有限公司 | Fan blade mounting structure of generator |
-
2021
- 2021-12-30 CN CN202111660007.2A patent/CN114320968A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10122191A (en) * | 1996-10-23 | 1998-05-12 | Matsushita Seiko Co Ltd | Blade fitting device |
| JP2012122365A (en) * | 2010-12-07 | 2012-06-28 | Nihon Denko Kk | Blower device |
| CN209414212U (en) * | 2018-11-26 | 2019-09-20 | 珠海格力电器股份有限公司 | Electric fan head component and electric fan |
| CN110953171A (en) * | 2019-11-29 | 2020-04-03 | 重庆华知光环保科技有限责任公司 | Quick detach formula fire control smoke exhaust fan |
| CN212360255U (en) * | 2020-06-05 | 2021-01-15 | 绍兴市上虞江南风机有限公司 | Energy-saving axial flow fan |
| CN212811030U (en) * | 2020-07-17 | 2021-03-26 | 云南滇能智慧能源有限公司 | Cooling component of box transformer substation for wind power generation |
| CN213602517U (en) * | 2020-12-04 | 2021-07-02 | 福建省煜坤强威电机有限公司 | Fan blade mounting structure of generator |
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