CN114285215A - Direct current motor's damping structure and electric fan thereof - Google Patents
Direct current motor's damping structure and electric fan thereof Download PDFInfo
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- CN114285215A CN114285215A CN202111576079.9A CN202111576079A CN114285215A CN 114285215 A CN114285215 A CN 114285215A CN 202111576079 A CN202111576079 A CN 202111576079A CN 114285215 A CN114285215 A CN 114285215A
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- 238000013016 damping Methods 0.000 title claims abstract description 93
- 230000009467 reduction Effects 0.000 claims abstract description 55
- 238000010079 rubber tapping Methods 0.000 claims description 26
- 239000003990 capacitor Substances 0.000 claims description 7
- 210000005056 cell body Anatomy 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 14
- 230000006872 improvement Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
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Abstract
The damping structure of the direct current motor comprises the direct current motor, a direct current motor support, a damping device and a fixing device, wherein the direct current motor is connected with the damping device, and the direct current motor is fixedly connected with the direct current motor support through the fixing device. The vibration reduction structure of the direct current motor of the electric fan has the advantages that the vibration influence generated by the direct current motor can be effectively relieved, the linkage noise problem of the head part of the floor fan caused by the direct current motor is improved, and the like.
Description
Technical Field
The invention relates to the field of motors, in particular to a vibration reduction structure of a direct current motor and an electric fan thereof.
Background
The fan is used as the most commonly used domestic electric appliance in family life, the application range is wide, the number of the used groups is large, the market demand is relatively stable, but the fan types in the current market are also various, so that aiming at the design of the fan, the fan with more types and more schemes needs to be developed after the fan occupies a place in the current market with intense competition. The floor fan is still basically the same in terms of overall structure, and is roughly divided into a machine head assembly, a machine body assembly and a fan front and rear mesh enclosure structure. Under the condition that the structure is relatively mature, the scheme of the motor can be properly changed for the innovation of the fan so as to achieve the scheme innovation. The proposal is that after the alternating current scheme of the floor fan is converted into the direct current scheme, the direct current motor has the advantages of good speed regulation performance, cheaper maintenance, stronger overload capacity, small influence by electromagnetic interference and the like, but because the manufacturing cost is more expensive, the direct current motor has the defects of carbon brushes, low reliability, short service life, large maintenance workload and the like, particularly when the direct current motor runs, the direct current motor vibrates seriously, and strong vibration can cause the service life of the motor to be shortened and simultaneously generate huge noise. Therefore, in order to solve the above problem, a damping scheme is needed to solve the problem of vibration generated by the dc motor, and the influence caused by the negative factors of the dc motor is reduced by the structural improvement scheme on the premise of ensuring the advantages of the dc motor.
Disclosure of Invention
In order to overcome the above-mentioned disadvantages of the prior art, the object of the invention is to reduce the noise and other negative effects of the direct current motor due to severe vibrations during operation.
The technical scheme adopted by the invention for solving the technical problems is as follows: the damping structure of the direct current motor comprises the direct current motor, a direct current motor support, a damping device and a fixing device, wherein the direct current motor is connected with the damping device, and the direct current motor is fixedly connected with the direct current motor support through the fixing device.
As a further improvement of the invention: the vibration damping device comprises a vibration damping support, the vibration damping support comprises a base, a plurality of vibration damping ring shaft sleeves are arranged on the base, and hole bodies are arranged on the vibration damping ring shaft sleeves.
As a further improvement of the invention: the base in the middle of be provided with the direct current motor shaft hole, surround the direct current motor shaft hole be provided with a plurality of motor set screw holes, direct current motor shaft hole edge set up a plurality of recesses, form direct current motor's constant head tank.
As a further improvement of the invention: the base is also provided with a capacitor through hole.
As a further improvement of the invention: the vibration damping device further comprises a vibration damping rubber ring, and the vibration damping rubber ring is sleeved on the vibration damping ring shaft sleeve.
As a further improvement of the invention: the hole body arranged on the vibration reduction shaft sleeve is a tapping screw hole matched with a tapping screw.
As a further improvement of the invention: the fixing device comprises a fixing screw and/or a self-tapping screw.
As a further improvement of the invention: the direct current motor support include the casing, the shroud, the casing middle part is equipped with the adaptation direct current motor's cavity, the casing with the shroud connect, the shroud middle part be equipped with and be provided with support motor shaft hole, center on support motor shaft hole be provided with a plurality of cell bodies, set up the support through-hole in the cell body.
As a further improvement of the invention: the groove body is matched with four vibration reduction rubber ring grooves of the vibration reduction shaft sleeve, and the support through hole is matched with a support self-tapping screw hole of the self-tapping screw.
As another embodiment of the present invention: an electric fan comprises the vibration reduction structure of the direct current motor.
Compared with the prior art, the invention has the beneficial effects that:
the utility model provides a vibration damping structure of DC motor, through DC motor to the damping support, the damping support is to the aircraft nose support, and the vibration damping mode of hierarchical formula can effectively reduce the vibration effect that DC motor brought for the aircraft nose subassembly. And the vibration reduction rubber ring is additionally arranged between the two supports, so that the connection mode of the vibration reduction support and the machine head cover is changed from rigid to flexible, and partial vibration effect is acted on the rubber ring. Through the two ways, the vibration is reduced in the vibration transmission process, and the problem of motor vibration can be well solved. Aiming at the whole floor fan scheme, the advantages of high power and low cost of the direct current scheme can be ensured, and the problems of large vibration and instability of the direct current motor are solved.
Drawings
Fig. 1 is a schematic view of an assembly structure of the present invention.
Fig. 2 is a cross-sectional view of an assembly structure of the present invention.
Fig. 3 is a schematic diagram of the explosive structure of the present invention.
Fig. 4 is a schematic structural diagram of a dc motor according to the present invention.
Fig. 5 is a schematic view of the damping mount of the present invention.
Fig. 6 is a partial mechanism schematic view of the damping mount of the present invention.
Fig. 7 is a schematic view of the structure of the motor bracket of the present invention.
Reference numerals: 1. a DC motor support; 2. a direct current motor; 3. a vibration damping support; 4. a vibration damping rubber ring; 5. a self-tapping screw; 6. a motor fixing screw; 11. a bracket tapping screw hole; 12. a vibration damping rubber ring groove; 13. a bracket motor shaft hole; 21. a motor plug terminal; 22. a motor main board; 23. the motor fixing screw hole; 24. positioning a guide block; 25. mounting a boss; 26. a main board capacitor; 31. a damping ring shaft sleeve; 32. a capacitor through hole; 33. a direct current motor shaft hole; 34. a set screw hole; 35. tapping screw holes; 36. a motor positioning groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
The invention will now be further described with reference to the accompanying description and examples:
referring to fig. 1 to 7, a vibration damping structure of a dc motor includes a dc motor 2, a dc motor bracket 1, a vibration damping device and a fixing device, wherein the dc motor 2 is connected to the vibration damping device, and the dc motor 2 is fixedly connected to the dc motor bracket 1 through the fixing device.
Damping device include damping support 3, damping support 3 include the base, the base in the middle of be provided with the direct current motor shaft hole, center on the direct current motor shaft hole be provided with a plurality of set screw holes 34, the base on be provided with a plurality of damping circle axle sleeves 31 all around, damping circle axle sleeve 31 on seted up the hole body, direct current motor shaft hole 33 edge set up a plurality of recesses, form direct current motor 2's constant head tank is still including setting up direct current motor electric capacity through-hole 32 on the base.
The vibration damping device further comprises a vibration damping rubber ring 4, and the vibration damping rubber ring 4 is sleeved on the vibration damping ring shaft sleeve 31.
The hole body arranged on the damping ring shaft sleeve 31 is a tapping screw hole matched with a tapping screw.
The number of the motor fixing screw holes 23 is three, and the motor fixing screw holes are distributed around the direct current motor shaft hole 33 in an equilateral triangle shape.
The number of the damping ring shaft sleeves 31 is four, and the damping ring shaft sleeves are symmetrically arranged at the four end parts of the base in pairs.
The fixing device comprises a fixing screw 6, and the fixing screw 6 is three screws matched with the motor fixing screw holes 23.
The fixing device also comprises tapping screws 5, wherein the tapping screws 5 are four tapping screws matched with the tapping screw holes.
The direct current motor support 1 include the casing, the shroud, the casing middle part is equipped with the adaptation direct current motor 2's cavity, the casing with the shroud connect, the shroud middle part be equipped with and be provided with direct current motor shaft hole 33, center on direct current motor shaft hole 33 be provided with a plurality of cell bodies, set up the through-hole in the cell body.
The groove body is matched with four vibration reduction rubber ring grooves 12 of the vibration reduction shaft sleeve, and the through hole is matched with a support self-tapping screw hole 11 of the self-tapping screw 5.
As another embodiment of the present invention: an electric fan with a direct current motor vibration reduction structure.
The working principle of the invention is as follows:
the utility model provides a DC motor's damping structure, the proposition has designed a DC motor damping support 1, keeps apart DC motor 2 and the DC motor support 1 of integral type both through damping rubber ring 4, through the damping effect of rubber ring, blocks the conduction process of motor vibration to motor support, reduces the resonance effect of motor integration support to solve the fan vibration problem that arouses by DC motor. The proposal design realizes the vibration damping effect through graded vibration damping, changes the installation mode of the direct current motor, and changes the traditional direct installation on the cover cap of the bracket into the installation on the vibration damping bracket firstly, and then assembles the vibration damping bracket on the motor bracket, thereby achieving the purpose of vibration damping.
The first embodiment is as follows:
reference is made to figures 1 to 7;
the specific assembly mode is as follows:
the invention relates to a vibration reduction structure of a direct current motor, wherein a direct current motor 2 is fixed on a direct current motor support 1 through a motor fixing screw 6, but because the vibration reduction structure of the direct current motor 2 is additionally arranged in the scheme, the direct current motor 2 needs to be fixed on a vibration reduction support 3, then the vibration reduction support 3 is arranged on a cover cap of the direct current motor support 1, and the direct current motor 2 and the vibration reduction support 3 are assembled into an integral structure.
The specific details of the installation process are as follows: with the mode of pre-installing DC motor 2 earlier, according to the direction of the location guide block 24 on the installation boss 25 of DC motor 2, rotatory certain angle to guide block and damping support 3 on the DC motor constant head tank 36 department, during the mainboard electric capacity 26 on the DC motor 2 inserted the DC motor electric capacity through-hole 32 on the damping support 3 this moment, because of motor electric capacity and installation boss 25 highly approximate, this assembly mode can prevent to lead to the assembly error because of the deformation of the motor mainboard 22 that electric capacity interference arouses. At the moment, the motor plug wire terminal 21 is obliquely arranged above the motor, so that the motor can be conveniently wired. Then three motor fixing screws 6 are driven into the fixing screw holes 34 of the vibration reduction support and screwed into the motor fixing screw holes 23 for fixing. After the assembly of the direct current motor 2 is completed, the self-tapping screw 5 penetrates through the vibration reduction rubber ring 4 and is screwed into the self-tapping screw hole 35 on the vibration reduction support through the support self-tapping screw hole 11 in the vibration reduction rubber ring groove 12 on the cover of the direct current motor support 1, the direct current motor shaft body penetrates through the direct current motor shaft hole 33 and the support motor shaft hole 13, the fixed mounting of the vibration reduction support 3 and the direct current motor support 1 is completed, meanwhile, the vibration reduction rubber ring 4 penetrates through the vibration reduction rubber ring shaft sleeve 31, and the vibration reduction effect can be exerted in a groove.
The working principle is as follows:
the principle that the vibration reduction structure plays a role in vibration reduction is that the motor vibration reduction is carried out by utilizing the process of isolating and blocking consumption, and the direct current motor 2 and the direct current motor support 1 can avoid the direct conduction of the motor vibration to the support in an indirect connection mode to carry out primary vibration reduction. Meanwhile, a vibration damping rubber ring 4 is additionally arranged between the vibration damping support 3 and the motor support, so that the vibration transmitted to the motor support by the vibration damping support 3 is consumed, and secondary vibration damping in the transmission process is completed. This damping mechanism has also increased damping support and the direct area of contact of motor support and the distribution range of contact point, can alleviate local high-frequency vibration more effectively, with motor vibration after the damping, acts on the housing of whole motor support 1, reduces the vibration effect.
Has the advantages that: through the double-stage vibration reduction of the vibration reduction mechanism and the simultaneous action of the vibration reduction effect of the rubber ring, the vibration influence generated by the direct current motor can be effectively relieved, and the adverse effect caused by the direct current motor on the vibration can be avoided simultaneously on the advantage of the direct current motor which is fully exerted. On the whole, the problem of linkage noise caused by the direct current motor at the head part of the floor fan can be solved by the vibration reduction mechanism.
The second embodiment:
the invention relates to a vibration reduction structure of a direct current motor, wherein the direct current motor is fixed on a motor bracket through a fixing screw 6, although the scheme is additionally provided with the vibration reduction structure of a direct current motor 2, the vibration reduction bracket 3 and the direct current motor bracket 1 can be firstly installed.
The specific details of the installation process are as follows: the self-tapping screw 5 is threaded with the vibration reduction rubber ring 4 and screwed into a self-tapping screw hole 35 on the vibration reduction support through a vibration reduction rubber ring groove 12 on a cover of the direct current motor support 1 to complete the fixed installation of the vibration reduction support 3 and the direct current motor support 1, then the direct current motor 2 is pre-installed firstly, and the direct current motor 2 is rotated for a certain angle to a direct current motor positioning groove 36 on the guide block and the vibration reduction support 3 according to the guide of a positioning guide block 24 on an installation boss 25 of the direct current motor 2, at the moment, a mainboard capacitor 26 on the direct current motor 2 is inserted into a direct current motor capacitor through hole 32 on the vibration reduction support 3, and the assembly mode can prevent the deformation of a motor mainboard 22 caused by the interference of the capacitor and leads to assembly errors. At the moment, the motor plug wire terminal 21 is obliquely arranged above the motor, so that the motor can be conveniently wired. Then three motor fixing screws 6 are driven in and screwed into the motor fixing screw holes 23 for fixing. After the assembly of the direct current motor 2 is completed, the damping rubber ring 4 penetrates into the damping rubber ring shaft sleeve 31, and the damping effect can be exerted in the groove.
The working principle is as follows:
the principle that the vibration reduction structure plays a role in vibration reduction is that the motor vibration reduction is carried out by utilizing the process of isolating and blocking consumption, and the direct current motor 2 and the direct current motor support 1 can avoid the direct conduction of the motor vibration to the support in an indirect connection mode to carry out primary vibration reduction. Meanwhile, a vibration damping rubber ring 4 is additionally arranged between the vibration damping support 3 and the motor support, so that the vibration transmitted to the motor support by the vibration damping support 3 is consumed, and secondary vibration damping in the transmission process is completed. This damping mechanism has also increased damping support 3 and direct current motor support 1 direct contact area and contact point distribution range, can alleviate local high-frequency vibration more effectively, with motor vibration after the damping, acts on the housing of whole motor support 1, reduces the vibration effect.
Has the advantages that: through the double-stage vibration reduction of the vibration reduction mechanism and the simultaneous action of the vibration reduction effect of the rubber ring, the vibration influence generated by the direct current motor can be effectively relieved, and the adverse effect caused by the direct current motor on the vibration can be avoided simultaneously on the advantage of the direct current motor which is fully exerted. On the whole, the problem of linkage noise caused by the direct current motor at the head part of the floor fan can be solved by the vibration reduction mechanism.
The third embodiment is as follows:
the position of the dc motor plug terminal 21 is changed correspondingly with the change of the position of the main board terminal, and the other technical solutions are consistent with the above embodiments.
The fourth embodiment is as follows:
an electric fan with a direct current motor vibration reduction structure adopts the motor vibration reduction structure in the embodiment.
The main functions of the invention are as follows:
a vibration reduction structure of a direct current motor of an electric fan can effectively relieve the vibration influence generated by the direct current motor and simultaneously improve the linkage noise problem of a machine head part of a floor fan caused by the direct current motor.
In the present invention, 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.
The foregoing are merely exemplary embodiments of the present invention to enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a direct current motor's damping structure which characterized in that: the vibration damping device comprises a direct current motor, a direct current motor support, a vibration damping device and a fixing device, wherein the direct current motor is connected with the vibration damping device, and the direct current motor is fixedly connected with the direct current motor support through the fixing device.
2. A vibration damping structure of a direct current motor according to claim 1, wherein: the vibration damping device comprises a vibration damping support, the vibration damping support comprises a base, a plurality of vibration damping ring shaft sleeves are arranged on the base, and hole bodies are arranged on the vibration damping ring shaft sleeves.
3. The vibration damping structure of a direct current motor according to claim 2, wherein: the base in the middle of be provided with the direct current motor shaft hole, surround the direct current motor shaft hole be provided with a plurality of motor set screw holes, direct current motor shaft hole edge set up a plurality of recesses, form direct current motor's constant head tank.
4. A vibration damping structure of a direct current motor according to claim 2 or 3, wherein: the base is also provided with a capacitor through hole.
5. A vibration damping structure of a direct current motor according to claim 2, wherein: the vibration damping device further comprises a vibration damping rubber ring, and the vibration damping rubber ring is sleeved on the vibration damping ring shaft sleeve.
6. A vibration damping structure of a direct current motor according to claim 2, wherein: the hole body arranged on the vibration reduction shaft sleeve is a tapping screw hole matched with a tapping screw.
7. A vibration damping structure of a direct current motor according to claim 1, wherein: the fixing device comprises a fixing screw and/or a self-tapping screw.
8. A vibration damping structure of a direct current motor according to claim 1, wherein: the direct current motor support include the casing, the shroud, the casing middle part is equipped with the adaptation direct current motor's cavity, the casing with the shroud connect, the shroud middle part be equipped with and be provided with support motor shaft hole, center on support motor shaft hole be provided with a plurality of cell bodies, set up the support through-hole in the cell body.
9. A vibration damping structure of a direct current motor according to claim 8, wherein: the groove body is matched with four vibration reduction rubber ring grooves of the vibration reduction shaft sleeve, and the support through hole is matched with a support self-tapping screw hole of the self-tapping screw.
10. An electric fan, its characterized in that: a vibration damping structure comprising a direct current motor according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111576079.9A CN114285215A (en) | 2021-12-21 | 2021-12-21 | Direct current motor's damping structure and electric fan thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111576079.9A CN114285215A (en) | 2021-12-21 | 2021-12-21 | Direct current motor's damping structure and electric fan thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114285215A true CN114285215A (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111576079.9A Pending CN114285215A (en) | 2021-12-21 | 2021-12-21 | Direct current motor's damping structure and electric fan thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042270A (en) * | 2010-11-24 | 2011-05-04 | 芜湖博耐尔汽车电气***有限公司 | Battery radiator fan for electromobile |
| CN206992859U (en) * | 2017-06-21 | 2018-02-09 | 武汉同凯汽车电机有限公司 | A kind of motor with vibration-proof structure |
| CN210951466U (en) * | 2019-11-29 | 2020-07-07 | 杭州老板电器股份有限公司 | Fan and range hood |
| CN212583919U (en) * | 2020-06-30 | 2021-02-23 | 上海常盛汽车配件有限公司 | Vibration reduction mechanism of diaphragm pump |
| CN212899071U (en) * | 2020-08-21 | 2021-04-06 | 河南澈蓝环保技术有限公司 | Radiating fan with vibration-damping noise-reducing structure |
| CN214384414U (en) * | 2020-12-25 | 2021-10-12 | 漳州立达信光电子科技有限公司 | Motor support and suspension type air purifier |
-
2021
- 2021-12-21 CN CN202111576079.9A patent/CN114285215A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042270A (en) * | 2010-11-24 | 2011-05-04 | 芜湖博耐尔汽车电气***有限公司 | Battery radiator fan for electromobile |
| CN206992859U (en) * | 2017-06-21 | 2018-02-09 | 武汉同凯汽车电机有限公司 | A kind of motor with vibration-proof structure |
| CN210951466U (en) * | 2019-11-29 | 2020-07-07 | 杭州老板电器股份有限公司 | Fan and range hood |
| CN212583919U (en) * | 2020-06-30 | 2021-02-23 | 上海常盛汽车配件有限公司 | Vibration reduction mechanism of diaphragm pump |
| CN212899071U (en) * | 2020-08-21 | 2021-04-06 | 河南澈蓝环保技术有限公司 | Radiating fan with vibration-damping noise-reducing structure |
| CN214384414U (en) * | 2020-12-25 | 2021-10-12 | 漳州立达信光电子科技有限公司 | Motor support and suspension type air purifier |
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Application publication date: 20220405 |
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