CN117375303A - Novel noise-reduction permanent magnet synchronous motor shell - Google Patents

Novel noise-reduction permanent magnet synchronous motor shell Download PDF

Info

Publication number
CN117375303A
CN117375303A CN202311340848.4A CN202311340848A CN117375303A CN 117375303 A CN117375303 A CN 117375303A CN 202311340848 A CN202311340848 A CN 202311340848A CN 117375303 A CN117375303 A CN 117375303A
Authority
CN
China
Prior art keywords
inner cylinder
permanent magnet
noise reduction
magnet synchronous
synchronous motor
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
Application number
CN202311340848.4A
Other languages
Chinese (zh)
Inventor
赵均业
冉华军
李敖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Three Gorges University CTGU
Original Assignee
China Three Gorges University CTGU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Three Gorges University CTGU filed Critical China Three Gorges University CTGU
Priority to CN202311340848.4A priority Critical patent/CN117375303A/en
Publication of CN117375303A publication Critical patent/CN117375303A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/24Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/02Details
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/64Electric machine technologies in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The application discloses novel permanent magnet synchronous motor casing of making an uproar falls includes: the base is provided with two reinforcing ribs at the top end, and the two reinforcing ribs are parallel to each other; the damping mechanisms are arranged at four corners of the base; the bottom end of the outer side of the inner cylinder is fixedly arranged at the top ends of the two reinforcing ribs; the inner wall surface of the outer cylinder is fixedly arranged outside the outer wall of the inner cylinder; the annular grooves are arranged in a plurality, are respectively arranged on the wall surface inside the inner cylinder in an array mode, and relate to the technical field of motors. The device has the advantages that the noise is reduced to the greatest extent while the efficient operation of the motor is ensured, the dual effects of heat dissipation and noise reduction are realized, the noise reduction effect can be optimized according to specific requirements through the elastic adjustment of the damping spring, and the efficient noise reduction effect is realized.

Description

Novel noise-reduction permanent magnet synchronous motor shell
Technical Field
The invention relates to the technical field of motors, in particular to a novel noise-reduction permanent magnet synchronous motor shell.
Background
In the prior art, a lot of heat and noise are generated during the operation of many motors, especially high-power motors, and in order to solve this problem, the motors are usually equipped with a heat dissipation and noise reduction system, wherein the common heat dissipation system comprises a heat dissipation plate, a fan, etc., and the noise reduction system may comprise a sound absorption material, a sound insulation shell, etc., and the motors are usually used with a motor housing and are widely applied in various fields such as industrial production, household appliances, electric vehicles, etc.
Most of the existing noise reduction systems are fixed and cannot be adjusted according to the actual running state and the using environment of the motor, which means that the effects of the noise reduction systems are the same no matter what state or environment the motor is running in, and cannot be optimized according to specific situations, for example, when the motor is running in a noise sensitive environment, the existing noise reduction systems may not provide enough noise reduction effect; on the contrary, when the noise reduction system operates in an environment insensitive to noise, the noise reduction system may be too complex or sacrifice heat dissipation performance, and often cannot be adjusted according to actual needs, and the noise reduction effect cannot be optimized according to specific situations.
Disclosure of Invention
The application provides a novel noise reduction permanent magnet synchronous motor shell, and aims to solve the problems in the background technology.
In order to achieve the above object, the present application provides a novel permanent magnet synchronous motor casing of making an uproar falls, include: the base is provided with two reinforcing ribs at the top end, and the two reinforcing ribs are parallel to each other; the damping mechanisms are arranged at four corners of the base; the bottom end of the outer side of the inner cylinder is fixedly arranged at the top ends of the two reinforcing ribs; the inner wall surface of the outer cylinder is fixedly arranged outside the outer wall of the inner cylinder; the annular grooves are arranged in a plurality and are respectively arranged on the wall surface inside the inner cylinder in an array manner; the fixing mechanisms are arranged on the wall surface inside the cylinder cover in an array mode; the hollow bulges are respectively arranged on the outer side wall surface of the outer cylinder; the end covers are arranged at two ends of the inner cylinder respectively through flanges, and a sealing rubber cushion is further arranged between the end covers and the inner cylinder.
In a possible embodiment, a plurality of said hollow projections are in communication with a plurality of said annular grooves.
In one possible embodiment, the shock absorbing mechanism includes: the fixing seats are respectively and fixedly arranged at four corners of the bottom end of the base; the top ends of the damping springs are respectively arranged at the bottom ends of the fixing seats; the top ends of the supporting legs are respectively fixedly arranged at the bottom ends of the damping springs; the adjusting component penetrates through the fixing seat and extends to the top end of the base, and the bottom end fixing is arranged at the top ends of the supporting feet.
In a possible embodiment, the adjusting assembly comprises: the bottom ends of the plurality of screw rods are respectively fixedly arranged at the top ends of the supporting legs, and the top ends extend to the top ends of the bases; and the nut is in threaded connection with the threads on the outer side of the outer wall of the screw.
In a possible embodiment, the fixing mechanism comprises: the limiting grooves are respectively formed in the inner wall surface of the inner cylinder; the torsion springs are respectively arranged on the limiting grooves; the number of the connecting rods is matched with that of the torsion springs, and two ends of the connecting rods are respectively fixed on the torsion springs; the supporting component is arranged at the limiting grooves and connected with the connecting rods.
In one possible embodiment, a plurality of the torsion springs are respectively provided with shock absorbing pads.
In one possible embodiment, the support assembly comprises: the guide grooves are respectively formed in the inner wall surface of the inner cylinder and are positioned beside the limiting grooves; the bottom ends of the supporting springs are respectively fixedly arranged at the guide grooves; the bottom ends of the damping rods are fixedly arranged at the guide grooves respectively, are positioned at the middle parts of the supporting springs and are fixedly connected with the top ends of the supporting springs; the connecting piece, a plurality of the rotatable suit in the top of connecting piece is in a plurality of the middle part of connecting rod, and the rotatable setting in the top of damping pole in bottom.
In one possible embodiment, the wall surfaces of the hollow projections and the inner cylinder are provided with a sound damping layer.
The utility model provides a pair of novel PMSM casing of making an uproar falls, the main structure of this device includes the inner tube, the urceolus, hollow arch, spacing groove and damping spring, the cooperation of inner tube and urceolus provides a confined space, wherein the hollow arch of rectangular shape sets up between inner tube and urceolus, be linked together with the spacing groove in the inner tube, be favorable to dispelling the heat and make an uproar, when the motor operates, heat can be conducted inner tube and urceolus through hollow arch, then distribute away through the spacing groove, realize the cooling effect, the structure of hollow arch and ring channel also can keep apart and absorb the noise that the rotor rotated and produce simultaneously, thereby reduce the noise volume, damping spring can adjust elasticity degree through screw rod and nut, in order to adapt to different operational environment and noise demand, in the motor operation in-process, damping spring can absorb and buffer inside vibration, thereby reduce the influence of vibration to the noise, the noise has been reduced to the maximum extent, the dual effect of dispelling the heat and making an uproar, elasticity regulation through damping spring, make an uproar effect can optimize according to specific noise demand of making an uproar.
Drawings
Fig. 1 shows a schematic structural diagram of a novel noise reduction permanent magnet synchronous motor shell provided in an embodiment of the present application;
fig. 2 shows a schematic view of a first angle structure of a novel noise reduction permanent magnet synchronous motor shell according to an embodiment of the present application;
fig. 3 is a schematic perspective sectional structure diagram of a novel noise reduction permanent magnet synchronous motor shell according to an embodiment of the present application;
fig. 4 shows a second angular structural schematic diagram of the novel noise reduction permanent magnet synchronous motor housing provided in the embodiment of the present application;
fig. 5 is a schematic diagram of a front view cross-sectional structure of a novel noise reduction permanent magnet synchronous motor shell according to an embodiment of the present application;
fig. 6 shows a schematic diagram of a partial enlarged structure of a novel noise reduction permanent magnet synchronous motor shell according to an embodiment of the present application.
In the figure: 1. the damping device comprises a base, 2, an inner cylinder, 3, an outer cylinder, 4, an annular groove, 5, a hollow protrusion, 6, an end cover, 7, a fixing seat, 8, a damping spring, 9, a supporting leg, 10, a screw, 11, a nut, 12, a limiting groove, 13, a torsion spring, 14, a connecting rod, 15, a damping pad, 16, a guide groove, 17, a supporting spring, 18, a damping rod, 19 and a connecting piece.
Detailed Description
In order to better understand the technical solutions provided by the embodiments of the present specification, the following detailed description of the technical solutions of the embodiments of the present specification is made through the accompanying drawings and the specific embodiments, and it should be understood that the specific features of the embodiments of the present specification are detailed descriptions of the technical solutions of the embodiments of the present specification, and not limit the technical solutions of the present specification, and the technical features of the embodiments of the present specification may be combined with each other without conflict.
In this document, 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. The term "two or more" includes two or more cases.
Referring to fig. 1-6, an embodiment of the present application provides a novel noise reduction permanent magnet synchronous motor housing, including: the device comprises a base 1, a damping mechanism, an inner cylinder 2, an outer cylinder 3, an annular groove 4, a fixing mechanism, a hollow bulge 5 and an end cover 6, wherein two reinforcing ribs are arranged at the top end of the base 1 and are parallel to each other; the damping mechanisms are arranged at four corners of the base 1; the bottom end of the outer side of the inner cylinder 2 is fixedly arranged at the top ends of the two reinforcing ribs; the inner wall surface of the outer cylinder 3 is fixedly arranged outside the outer wall of the inner cylinder 2; the annular grooves 4 are arranged in a plurality, and are respectively arranged on the wall surface inside the inner cylinder 2 in an array manner; the fixing mechanisms are arranged on the wall surface inside the cylinder cover in an array mode; the hollow bulges 5 are respectively arranged on the outer side wall surface of the outer cylinder 3; the two end covers 6 are respectively arranged at the two ends of the inner cylinder 2 through flanges, and a sealing rubber cushion is also arranged between the two end covers and the inner cylinder 2.
In the specific implementation process, the stator of the motor is mounted on the inner wall surface of the inner cylinder 2 through a fixing mechanism. The bottom end of the inner cylinder 2 is fixed at the top ends of the two reinforcing ribs of the base 1, and damping mechanisms are arranged at four corners of the base 1 and used for relieving vibration in the rotation process of the motor rotor. The inner wall surface of the outer cylinder 3 is fixedly arranged on the outer side of the outer wall of the inner cylinder 2 to form a protective shell. A plurality of hollow bulges 5 are arranged on the outer side wall surface of the outer cylinder 3, and the hollow bulges 5 are mutually communicated with a plurality of annular grooves 4 arranged on the wall surface inside the inner cylinder 2, so that the hot air and the external air inside the inner cylinder are conveniently exchanged, and a good heat dissipation effect is provided. The two end covers 6 are arranged at the two ends of the inner cylinder 2 through flanges, and sealing rubber gaskets are arranged between the two end covers 6 and the inner cylinder 2 so as to ensure the tightness of the inside of the motor and effectively reduce noise.
In some examples, further, the hollow protrusions 5 are communicated with the annular grooves 4, so that the hot air and the external air in the interior can be conveniently exchanged, and a good heat dissipation effect is provided.
In some examples, further, the shock absorbing mechanism includes: the fixing seats 7, the damping springs 8, the supporting legs 9 and the adjusting components are respectively and fixedly arranged at four corners of the bottom end of the base 1; the top ends of the damping springs 8 are respectively arranged at the bottom ends of the fixing seats 7; the top ends of the supporting legs 9 are respectively fixedly arranged at the bottom ends of the damping springs 8; the adjusting component extends to the top end of the base 1 through the fixing seat 7, and the bottom end is fixedly arranged at the top ends of the supporting legs 9.
In the specific implementation process, it should be noted that the fixing seats 7 are respectively installed at four corners of the bottom end of the base 1, and then the damping springs 8 can absorb and reduce vibration generated during operation of the motor, and the top ends of the supporting legs 9 are fixed at the bottom ends of the damping springs 8, so as to enhance stability of the whole system. The adjusting assembly penetrates the fixing seat 7 and extends to the top end of the base 1, and the bottom end of the adjusting assembly is fixed at the top end of the supporting leg 9. The adjusting component can adjust the height and stability of the whole damping mechanism so as to adapt to different working conditions. The whole damping mechanism can effectively reduce vibration and noise when the motor operates, and a more stable and quiet operating environment is provided.
In some examples, further, the adjustment assembly includes: the bottom ends of the screw rods 10 are fixedly arranged at the top ends of the supporting legs 9 respectively, and the top ends extend to the top end of the base 1; the nut 11 is screwed on the thread outside the outer wall of the screw 10.
In the specific implementation process, it should be noted that the nut 11 is screwed on the thread on the outer side of the outer wall of the screw rod 10, and when the elastic degree of the damping spring 8 is adjusted according to the requirement, the height of the screw rod 10 can be changed by rotating the nut 11, so that the elastic degree of the damping mechanism can be changed, and a better damping effect can be achieved. Through the mutual cooperation of the screw rod 10 and the nut 11, the working state of the motor can be flexibly adjusted to adapt to different working environments and requirements.
In some examples, further, the securing mechanism includes: the limiting grooves 12, the torsion springs 13, the connecting rods 14 and the supporting components are respectively arranged on the inner wall surface of the inner cylinder 2; the torsion springs 13 are respectively arranged on the limiting grooves 12; the number of the connecting rods 14 is matched with the number of the torsion springs 13, and two ends of the connecting rods 14 are respectively fixed on the torsion springs 13; the support assembly is mounted at a plurality of limit slots 12 and is connected to a plurality of connecting rods 14.
In the specific implementation, the limiting grooves 12 on the inner wall surface of the inner cylinder 2 are used for fixing the components and keeping them in the correct positions. The elasticity of the torsion spring 13 can help absorb and reduce vibrations generated during operation of the motor. The two ends of the connecting rods 14, which are matched in number, are fixed to the torsion springs 13, respectively. The support assembly would be mounted at the limit slot 12 and connected with the connecting rod 14 to provide additional stability, the securing mechanism being able to stabilize the motor stator and reduce vibration during motor operation, thereby improving motor operation stability and noise reduction.
In some examples, the shock-absorbing pads 15 are respectively arranged on the torsion springs 13, and the shock-absorbing pads 15 on the torsion springs 13 mainly serve to enhance the shock-absorbing effect. The torsion spring 13 can absorb and reduce vibration generated when the motor is operated, and the shock pad 15 can further improve the shock absorbing effect. The motor can absorb part of vibration which cannot be processed by the torsion spring 13, so that noise generated during motor operation is further reduced, and the motor operation is more stable and quiet.
In some examples, further, the support assembly includes: the guide grooves 16, the supporting springs 17, the damping rods 18 and the connecting pieces 19 are arranged on the inner wall surface of the inner cylinder 2, and the guide grooves 16 are positioned beside the limiting grooves 12; the bottom ends of the supporting springs 17 are fixedly arranged at the guide grooves 16 respectively; the bottom ends of the damping rods 18 are fixedly arranged at the guide grooves 16 respectively, are positioned at the middle parts of the supporting springs 17 and are fixedly connected with the top ends of the supporting springs 17; the top ends of the connecting pieces 19 are rotatably sleeved at the middle parts of the connecting rods 14, and the bottom ends are rotatably arranged at the top ends of the damping rods 18.
In a specific implementation process, the damping rod 18 and the supporting spring 17 can work cooperatively to absorb and reduce vibration during the operation process of the motor, so that the effects of stabilizing the motor and reducing noise are achieved. At the same time, the engagement member 19 provides a flexible connection between the connecting rod 14 and the damping rod 18, so that the motor remains stable in different operating conditions.
In some examples, further, the wall surfaces of the hollow protrusions 5 and the inner cylinder 2 are provided with silencing layers, and the main function of the silencing layers of the hollow protrusions 5 and the wall surfaces of the inner cylinder 2 is to absorb and reduce noise generated during motor operation. When the motor is running, vibrations inside the machine can produce noise. The sound attenuating layer is made of a material and designed to absorb these sound waves effectively, thereby reducing the transmission of noise. Thus, the motor is quieter in running, and the experience of a user is improved.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims (8)

1. Novel permanent magnet synchronous motor casing of making an uproar falls, its characterized in that includes:
the base (1), the top of the base (1) is provided with two reinforcing ribs, and the two reinforcing ribs are parallel to each other;
the damping mechanisms are arranged at four corners of the base (1);
the bottom end of the outer side of the inner cylinder (2) is fixedly arranged at the top ends of the two reinforcing ribs;
an outer cylinder (3), wherein the inner wall surface of the outer cylinder (3) is fixedly arranged outside the outer wall of the inner cylinder (2);
the annular grooves (4) are arranged in a plurality, and are respectively arranged on the wall surface inside the inner cylinder (2) in an array manner;
the fixing mechanisms are arranged on the wall surface inside the cylinder cover in an array mode;
the hollow bulges (5) are respectively arranged on the outer side wall surface of the outer cylinder (3);
the end covers (6), two end covers (6) are respectively arranged at two ends of the inner cylinder (2) through flanges, and sealing rubber gaskets are further arranged between the end covers and the inner cylinder (2).
2. The novel noise reduction permanent magnet synchronous motor shell according to claim 1, wherein: the hollow bulges (5) are communicated with the annular grooves (4).
3. The novel noise reduction permanent magnet synchronous motor shell according to claim 1, wherein: the damping mechanism includes:
the fixing seats (7) are respectively fixedly arranged at four corners of the bottom end of the base (1);
the top ends of the damping springs (8) are respectively arranged at the bottom ends of the fixed seats (7);
the top ends of the supporting legs (9) are respectively fixedly arranged at the bottom ends of the damping springs (8);
the adjusting component penetrates through the fixing seat (7) and extends to the top end of the base (1), and the bottom end fixing is arranged at the top ends of the supporting legs (9).
4. A novel noise reduction permanent magnet synchronous motor housing according to claim 3, wherein: the adjustment assembly includes:
the bottom ends of the screw rods (10) are respectively fixedly arranged at the top ends of the supporting legs (9), and the top ends extend to the top end of the base (1);
and the nut (11) is in threaded connection with threads on the outer side of the outer wall of the screw (10).
5. The novel noise reduction permanent magnet synchronous motor shell according to claim 1, wherein: the fixing mechanism includes:
the limiting grooves (12) are respectively formed in the inner wall surface of the inner cylinder (2);
the torsion springs (13), a plurality of torsion springs (13) are respectively arranged on the limiting grooves (12);
the number of the connecting rods (14) is matched with the number of the torsion springs (13), and two ends of the connecting rods (14) are respectively fixed on the torsion springs (13);
the supporting components are arranged at the limiting grooves (12) and are connected with the connecting rods (14).
6. The novel noise reduction permanent magnet synchronous motor shell according to claim 5, wherein: damping pads (15) are respectively arranged on the torsion springs (13).
7. The novel noise reduction permanent magnet synchronous motor shell according to claim 5, wherein: the support assembly includes:
the guide grooves (16) are respectively formed in the inner wall surface of the inner cylinder (2), and are positioned beside the limiting grooves (12);
the bottom ends of the supporting springs (17) are fixedly arranged at the guide grooves (16) respectively;
the bottom ends of the damping rods (18) are fixedly arranged at the guide grooves (16) respectively, are positioned at the middle parts of the supporting springs (17) and are fixedly connected with the top ends of the supporting springs (17);
the connecting pieces (19) are rotatably sleeved at the middle parts of the connecting rods (14), and the bottom ends of the connecting pieces (19) are rotatably arranged at the top ends of the damping rods (18).
8. The novel noise reduction permanent magnet synchronous motor shell according to claim 1, wherein: the wall surfaces of the hollow bulges (5) and the inner cylinder (2) are provided with silencing layers.
CN202311340848.4A 2023-10-16 2023-10-16 Novel noise-reduction permanent magnet synchronous motor shell Pending CN117375303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311340848.4A CN117375303A (en) 2023-10-16 2023-10-16 Novel noise-reduction permanent magnet synchronous motor shell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311340848.4A CN117375303A (en) 2023-10-16 2023-10-16 Novel noise-reduction permanent magnet synchronous motor shell

Publications (1)

Publication Number Publication Date
CN117375303A true CN117375303A (en) 2024-01-09

Family

ID=89403617

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311340848.4A Pending CN117375303A (en) 2023-10-16 2023-10-16 Novel noise-reduction permanent magnet synchronous motor shell

Country Status (1)

Country Link
CN (1) CN117375303A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118074412A (en) * 2024-04-19 2024-05-24 浙江佳雪微特电机有限公司 Lubricating self-circulation permanent magnet synchronous motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118074412A (en) * 2024-04-19 2024-05-24 浙江佳雪微特电机有限公司 Lubricating self-circulation permanent magnet synchronous motor

Similar Documents

Publication Publication Date Title
US11025127B2 (en) Motor including an elastic mesh supporting a bearing
US8113766B2 (en) Fan and fan frame thereof
CN214705649U (en) Damping mechanism for mounting resin insulation dry type transformer
JPS638700B2 (en)
EP2907438B1 (en) A motor denoising structure applied to vacuum cleaners
CN117375303A (en) Novel noise-reduction permanent magnet synchronous motor shell
CN113489223A (en) Motor vibration isolation assembly and motor
CN210686806U (en) Shock absorber, vibration absorbing structure and vibration absorbing assembly
CN204082624U (en) Fan fixing-assembly and air conditioner
JPH05168188A (en) Vibration isolator to fan motor
JP2017225334A (en) Motor and fluid delivery device comprising the same
CN209042731U (en) Indoor unit, motor fixing device thereof and air conditioner
CN210861428U (en) Fixing structure of air conditioner compressor and air conditioner
CN212033914U (en) Anti-shake noise reduction structure of household appliance motor cooling fan
CN108443233B (en) Fan frame with vibration reduction structure and fan thereof
CN208416925U (en) A kind of combined vibration-damping pad and the compressor using the combined vibration-damping pad
CN110730395A (en) Damping device and sound box
CN215333668U (en) Damping device of centrifugal fan and air purifier using damping device
CN220673538U (en) Damping device of switch reluctance motor
CN213574569U (en) Water conservancy pump station water pump shock attenuation is equipped
CN219388128U (en) Low-vibration low-noise booster pump and water purifier
CN216867093U (en) Fan casing base capable of damping
CN221236925U (en) Buffer part of fan module, fan module and handheld fan
US20170343284A1 (en) Heat Pump System And Drier Or Washer-Drier Having The Same
CN215001884U (en) Air conditioner indoor unit and air conditioning equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination