CN117081307A - Rubber vibration damping washer structure of refrigerator motor bracket - Google Patents

Rubber vibration damping washer structure of refrigerator motor bracket Download PDF

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Publication number
CN117081307A
CN117081307A CN202311031768.0A CN202311031768A CN117081307A CN 117081307 A CN117081307 A CN 117081307A CN 202311031768 A CN202311031768 A CN 202311031768A CN 117081307 A CN117081307 A CN 117081307A
Authority
CN
China
Prior art keywords
refrigerator motor
refrigerator
motor
vibration damping
heat dissipation
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
CN202311031768.0A
Other languages
Chinese (zh)
Inventor
彭东琨
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.)
Anhui Lepu Motor Co ltd
Original Assignee
Anhui Lepu Motor Co ltd
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 Anhui Lepu Motor Co ltd filed Critical Anhui Lepu Motor Co ltd
Priority to CN202311031768.0A priority Critical patent/CN117081307A/en
Publication of CN117081307A publication Critical patent/CN117081307A/en
Pending legal-status Critical Current

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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
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30Structural association with control circuits or drive circuits
    • 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
    • H02K5/10Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • 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
    • H02K5/18Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
    • 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
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/207Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/26Means for adjusting casings relative to their supports
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention belongs to the technical field of motor auxiliary devices, and particularly relates to a rubber vibration damping gasket structure of a refrigerator motor bracket, which comprises a vibration damping assembly and a heat dissipation assembly, wherein the heat dissipation assembly sleeved on the outer side of a refrigerator motor is arranged above the vibration damping assembly in a sliding manner; the vibration damping assembly comprises a mounting plate, a rectangular convex tube, a vertical shaft, a limiting gear, a screw rod section, a supporting sleeve, a lower limiting disc, an upper limiting disc, a vibration damping spring, a piston rod, a viscous energy dissipation device, a servo motor, a driving gear and a transmission chain belt. The vibration damping assembly is reasonable in structural design, the servo motor and the refrigerator motor are respectively connected with the controller, and the controller controls the servo motor to rotate forwards or backwards according to the power change of the refrigerator motor, so that the overall vibration damping effect is hard or soft, and the service life of the vibration damping assembly is prolonged, and meanwhile, the proper vibration damping effect can be ensured.

Description

Rubber vibration damping washer structure of refrigerator motor bracket
Technical Field
The invention belongs to the technical field of motor auxiliary devices, and particularly relates to a rubber vibration reduction gasket structure of a refrigerator motor bracket.
Background
Refrigerators are a kind of refrigerating apparatus that maintains a constant low temperature, and also a kind of civil products that maintain foods or other objects in a constant low temperature cold state. The box body is internally provided with a compressor, a cabinet or a box for freezing by an ice maker and a storage box with a refrigerating device. The compressor is driven through the motor, and the motor produces a large amount of noise at the rotation in-process, and the shock sense is strong simultaneously, can make the mutual friction produce more noise between the connection structure, has led to connection structure not hard up for a long time, influences the use of refrigerator, and noise reduction product quality simultaneously, and current refrigerator motor adopts simple parcel driving motor of making an uproar that falls, leads to the motor heat dissipation inadequately, shortens the life of motor.
For this reason, disclose the rubber damping washer structure of a refrigerator motor support in the patent specification of publication number CN214626702U, including shock-absorbing seat, refrigerator frame, cooling system, the fixed foot is installed to refrigerator motor's lower surface bilateral symmetry, and the junction of fixed foot and shock-absorbing seat is equipped with rubber shock-absorbing pad one, and the last surface mounting of shock-absorbing seat has the dust-proof box, and the noise reduction board is installed to the inner wall of dust-proof box, installs cooling system in the dust-proof box, and cooling system includes ventilation filter screen, drive runner, drive belt one, transmission shaft, transmission, flabellum, and the upper and lower symmetry of left wall of dust-proof box installs the ventilation filter screen, installs the flabellum in the axis of rotation. The heat dissipation system is arranged in the noise reduction dustproof box of the refrigerator motor, so that heat in the noise reduction dustproof box is effectively reduced, the service life of the motor is prolonged, the friction noise caused by vibration generated by rotation of the refrigerator motor is reduced by the first rubber shock pad, the second rubber shock pad and the third rubber shock pad, and the product quality is improved.
However, the rubber vibration-damping washer structure of the refrigerator motor bracket still has the defects that firstly, the preload of the spring cannot be correspondingly adjusted according to the power of the motor, and the stability of the weight-reducing effect cannot be realized; secondly, the cooling system does not have a dust removing component, and dust on the ventilation filter screen cannot be cleaned, so that the ventilation and cooling effects are affected. Therefore, there is a need for an optimization improvement.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a rubber vibration reduction gasket structure of a refrigerator motor bracket.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
the invention provides a rubber vibration damping gasket structure of a refrigerator motor bracket, which comprises a vibration damping assembly and a heat radiation assembly, wherein the heat radiation assembly sleeved on the outer side of the refrigerator motor is arranged above the vibration damping assembly in a sliding manner; the vibration damping assembly comprises a mounting plate, the upper end of mounting plate is fixed with the protruding pipe of rectangle, the mounting plate is located the internally mounted of protruding pipe of rectangle and has a row of vertical axle, the outside of vertical axle is equipped with spacing gear, the axis body that the vertical axle is located spacing gear top is equipped with the screw rod section, the outside cover of screw rod section is equipped with support sleeve, support sheathed tube upper end is fixed with down the spacing dish, the top of spacing dish down is equipped with the spacing dish, be connected with damping spring between spacing dish and the spacing dish down, the piston rod is installed to the inboard of spacing dish down, the viscidity energy dissipation ware is connected with the expansion end of piston rod is installed to the inboard of last spacing dish, be fixed with servo motor on the mounting plate, the driving gear is installed to servo motor's expansion end, carry out transmission connection through the drive chain between driving gear and each spacing gear, servo motor and refrigerator motor are connected with the controller respectively, the controller is controlled servo motor and is rotated forward or backward according to refrigerator motor's power variation.
Further, in the rubber vibration reduction gasket structure of the refrigerator motor bracket, a screw groove matched with the screw rod section is formed in the support sleeve, and the outer side of the support sleeve is of a non-circular structure for preventing deflection.
Further, in the rubber vibration damping washer structure of the refrigerator motor support, a rotary movable groove which is convenient for a vertical shaft, a limiting gear, a driving gear and a transmission chain belt to rotate and a lifting movable groove which is convenient for a supporting sleeve to lift are formed in the mounting plate.
Further, in the rubber vibration damping washer structure of the refrigerator motor bracket, the vibration damping spring is sleeved on the outer sides of the viscous energy dissipation device and the piston rod.
Further, in the rubber vibration damping washer structure of the refrigerator motor bracket, mounting holes which are convenient to connect the mounting plates with the refrigerator shell are formed at two ends of the mounting plates.
Further, in the rubber vibration damping gasket structure of the refrigerator motor support, the refrigerator motor is a double-output-shaft motor, one end of the refrigerator motor is provided with a working output shaft, the other end of the refrigerator motor is provided with a heat dissipation output shaft, and an external heat dissipation fan is mounted on the heat dissipation output shaft.
Further, in the rubber vibration damping washer structure of the refrigerator motor support, the heat radiation assembly comprises a protection cover, the bottom of protection cover is equipped with the cover and establishes the rectangle sliding sleeve in the rectangle protruding pipe outside, the last limit plate welded fastening of vibration damping assembly is at the bottom surface of protection cover, one side board of protection cover is equipped with the bearing that the work output shaft passed in the refrigerator motor of being convenient for, detachable ventilating board is installed to the opposite side of protection cover, the equipartition has the heat dissipation fresh air inlet on the ventilating board, the roof equipartition of protection cover has a plurality of rows of radiating fin, the region that the roof of protection cover is located between two adjacent radiating fin has evenly offered the heat dissipation apopore.
Further, in the rubber vibration damping gasket structure of the refrigerator motor support, the refrigerator motor is fixedly arranged on the inner side of the bottom plate of the protective cover, and the length direction of the radiating fin is parallel to the length direction of the working output shaft in the refrigerator motor.
The beneficial effects of the invention are as follows:
1. the vibration reduction assembly is reasonable in structural design, the servo motor and the refrigerator motor are respectively connected with the controller, the controller controls the servo motor to rotate positively or reversely according to the power change of the refrigerator motor, and when the power of the refrigerator motor is increased, namely shaking is increased, the servo motor rotates positively, so that the position of the lower limit disc moves upwards, and the overall vibration reduction effect is hard; when the power of the refrigerator motor is reduced, namely shaking is reduced, the servo motor reversely rotates, so that the position of the lower limiting disc moves downwards, the whole vibration reduction effect is soft, and the proper vibration reduction effect can be ensured while the service life of the vibration reduction assembly is prolonged.
2. The heat radiation assembly has reasonable structural design, utilizes the refrigerator motor as power to drive the external heat radiation fan to rotate, and can realize high-efficiency heat radiation by matching with the heat radiation fins and the ventilation system, and the heat radiation is carried out on the outer side of the refrigerator motor, so that the problem of ash entering into the refrigerator motor can not be caused.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a vibration damping assembly according to the present invention;
FIG. 3 is a schematic view of a portion of a vibration damping assembly according to the present invention;
FIG. 4 is a schematic view of the structure of the piston rod and viscous damper of the present invention;
FIG. 5 is a schematic diagram of a heat dissipating assembly according to the present invention;
FIG. 6 is a schematic cross-sectional view of a rectangular male tube and rectangular female sleeve of the present invention;
in the drawings, the reference numerals of the components are as follows:
the device comprises the following components of a 1-vibration reduction assembly, a 101-mounting plate, a 102-rectangular convex tube, a 103-vertical shaft, a 104-limit gear, a 105-screw section, a 106-support sleeve, a 107-lower limit disc, a 108-upper limit disc, a 109-vibration reduction spring, a 110-piston rod, a 111-viscous energy dissipation device, a 2-heat dissipation assembly, a 201-protection cover, a 202-rectangular sliding sleeve, a 203-ventilation plate, a 204-heat dissipation air inlet hole, a 205-heat dissipation fin, a 206-heat dissipation air outlet hole, a 3-refrigerator motor, a 301-working output shaft, a 302-heat dissipation output shaft and a 303-external heat dissipation fan.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present embodiment provides a rubber vibration damping washer structure of a refrigerator motor bracket, which includes a vibration damping assembly 1 and a heat dissipation assembly 2, wherein the heat dissipation assembly 2 sleeved outside the refrigerator motor 3 is slidably installed above the vibration damping assembly 1.
In this embodiment, the vibration damping assembly 1 includes a mounting plate 101, a rectangular convex tube 102 is fixed at the upper end of the mounting plate 101, a row of vertical shafts 103 are installed in the mounting plate 101 located in the rectangular convex tube 102, a limiting gear 104 is arranged on the outer side of each vertical shaft 103, a screw rod section 105 is arranged on the shaft body of each vertical shaft 103 located above the corresponding limiting gear 104, and a supporting sleeve 106 is sleeved on the outer side of each screw rod section 105. The upper end of the support sleeve 106 is fixed with a lower limit disc 107, an upper limit disc 108 is arranged above the lower limit disc 107, a damping spring 109 is connected between the upper limit disc 108 and the lower limit disc 107, a piston rod 110 is mounted on the inner side of the lower limit disc 107, a viscous energy dissipation device 111 is mounted on the inner side of the upper limit disc 108, and the piston rod 110 comprises a cylinder body and a sliding rod limited in the cylinder body in a sliding manner. The viscous damper 111 is connected to the movable end of the piston rod 110, and the damper spring 109 is sleeved on the viscous damper 111 and the outside of the piston rod 110.
In this embodiment, a servo motor 112 is fixed on the mounting plate 101, a driving gear 113 is mounted at the movable end of the servo motor 112, and the driving gear 113 is in transmission connection with each limiting gear 104 through a transmission chain belt 114. The servo motor 112 and the refrigerator motor 3 are respectively connected with a controller, and the controller controls the servo motor 112 to rotate forward or backward according to the power change of the refrigerator motor 3.
In this embodiment, the support sleeve 106 has a screw groove in the interior thereof for engaging the screw segment 105, and the outside of the support sleeve 106 has a non-circular structure for preventing deflection.
In this embodiment, a rotation movement groove for facilitating rotation of the vertical shaft 103, the limit gear 104, the driving gear 113, and the driving chain belt 114, and a lifting movement groove for facilitating lifting of the support sleeve 106 are formed in the mounting plate 101. Mounting holes 115 for facilitating connection with the refrigerator case are formed at both ends of the mounting plate 101.
In this embodiment, the refrigerator motor 3 is a dual output shaft motor, one end of the refrigerator motor 3 is provided with a working output shaft 301, the other end of the refrigerator motor 3 is provided with a heat dissipation output shaft 302, and an external heat dissipation fan 303 is mounted on the heat dissipation output shaft 302.
In this embodiment, the heat dissipation assembly 2 includes a protective cover 201, and the protective cover 201 has a rectangular structure as a whole. The bottom of the protective cover 201 is provided with a rectangular sliding sleeve 202 sleeved outside the rectangular convex tube 102, and the side wall of the rectangular convex tube 102 or the rectangular sliding sleeve 202 is provided with a pressure relief air hole. The upper limit disk 108 of the vibration reduction assembly 1 is welded and fixed on the bottom end surface of the protective cover 201. A bearing which is convenient for the working output shaft 301 in the refrigerator motor 3 to pass through is arranged on one side plate of the protective cover 201, a detachable ventilation plate 203 is arranged on the other side of the protective cover 201, and heat dissipation air inlet holes 204 are uniformly distributed on the ventilation plate 203. A plurality of rows of radiating fins 205 are uniformly distributed on the top plate of the protective cover 201, and radiating air outlet holes 206 are uniformly formed in the region, between two adjacent rows of radiating fins 205, of the top plate of the protective cover 201.
In this embodiment, the refrigerator motor 3 is fixedly installed inside the bottom plate of the protective cover 201, and the length direction of the heat dissipation fins 205 is parallel to the length direction of the working output shaft 301 in the refrigerator motor 3.
One specific application of this embodiment is: the vibration reduction assembly 1 is reasonable in structural design, the servo motor 112 and the refrigerator motor 3 are respectively connected with a controller, the controller controls the servo motor 112 to rotate positively or reversely according to the power change of the refrigerator motor 3, and when the power of the refrigerator motor 3 is increased, namely shaking is increased, the servo motor 112 rotates positively, so that the position of the lower limit disc 107 moves upwards, and the overall vibration reduction effect is hard; when the power of the refrigerator motor 3 is reduced, namely shaking is reduced, the servo motor 112 rotates reversely, so that the position of the lower limit disc 107 moves downwards, the whole vibration reduction effect is soft, and the service life of the vibration reduction assembly 1 is prolonged, and meanwhile, the proper vibration reduction effect can be ensured. The heat radiation component 2 has reasonable structural design, and utilizes the refrigerator motor 3 as power to drive the external heat radiation fan 303 to rotate, and can realize high-efficiency heat radiation by matching with the heat radiation fins 205 and the ventilation system, and the heat radiation is performed on the outer side of the refrigerator motor 3, so that the ash inlet problem cannot be caused in the refrigerator motor 3.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims (8)

1. A rubber vibration reduction gasket structure of a refrigerator motor bracket is characterized in that: the refrigerator motor comprises a vibration reduction assembly and a heat dissipation assembly, wherein the heat dissipation assembly sleeved on the outer side of the refrigerator motor is slidably arranged above the vibration reduction assembly; the vibration damping assembly comprises a mounting plate, the upper end of mounting plate is fixed with the protruding pipe of rectangle, the mounting plate is located the internally mounted of protruding pipe of rectangle and has a row of vertical axle, the outside of vertical axle is equipped with spacing gear, the axis body that the vertical axle is located spacing gear top is equipped with the screw rod section, the outside cover of screw rod section is equipped with support sleeve, support sheathed tube upper end is fixed with down the spacing dish, the top of spacing dish down is equipped with the spacing dish, be connected with damping spring between spacing dish and the spacing dish down, the piston rod is installed to the inboard of spacing dish down, the viscidity energy dissipation ware is connected with the expansion end of piston rod is installed to the inboard of last spacing dish, be fixed with servo motor on the mounting plate, the driving gear is installed to servo motor's expansion end, carry out transmission connection through the drive chain between driving gear and each spacing gear, servo motor and refrigerator motor are connected with the controller respectively, the controller is controlled servo motor and is rotated forward or backward according to refrigerator motor's power variation.
2. The rubber vibration-damping washer structure of a refrigerator motor bracket according to claim 1, wherein: the inside of the support sleeve is provided with a screw groove matched with the screw section, and the outer side of the support sleeve is of a non-circular structure for preventing deflection.
3. The rubber vibration-damping washer structure of a refrigerator motor bracket according to claim 2, wherein: the mounting plate is provided with a rotary movable groove which is convenient for a vertical shaft, a limiting gear, a driving gear and a transmission chain belt to rotate and a lifting movable groove which is convenient for a supporting sleeve to lift.
4. A rubber vibration damping washer structure of a refrigerator motor bracket according to claim 3, characterized in that: the damping spring is sleeved on the outer sides of the viscous energy dissipation device and the piston rod.
5. The rubber vibration-damping washer structure of refrigerator motor bracket according to claim 4, wherein: and mounting holes which are convenient to connect the mounting plate with the refrigerator shell are formed at the two ends of the mounting plate.
6. The rubber vibration-damping washer structure of refrigerator motor bracket according to claim 5, wherein: the refrigerator motor is a double-output shaft motor, one end of the refrigerator motor is provided with a working output shaft, the other end of the refrigerator motor is provided with a heat dissipation output shaft, and an external heat dissipation fan is arranged on the heat dissipation output shaft.
7. The rubber vibration-damping washer structure of a refrigerator motor bracket according to claim 6, wherein: the heat dissipation assembly comprises a protection cover, the bottom of protection cover is equipped with the cover and establishes the rectangle sliding sleeve in the rectangle protruding pipe outside, the last spacing dish welded fastening of damping assembly is at the bottom surface of protection cover, a side board of protection cover is equipped with the bearing that the work output shaft passed in the refrigerator motor of being convenient for, detachable ventilating board is installed to the opposite side of protection cover, the equipartition has the heat dissipation fresh air inlet on the ventilating board, the roof equipartition of protection cover has a plurality of rows of radiating fins, the roof of protection cover is located the regional even heat dissipation apopore of having seted up between the adjacent two rows of radiating fins.
8. The rubber vibration-damping washer structure of a refrigerator motor bracket according to claim 7, wherein: the refrigerator motor is fixedly arranged on the inner side of the bottom plate of the protective cover, and the length direction of the radiating fins is parallel to the length direction of the working output shaft in the refrigerator motor.
CN202311031768.0A 2023-08-16 2023-08-16 Rubber vibration damping washer structure of refrigerator motor bracket Pending CN117081307A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311031768.0A CN117081307A (en) 2023-08-16 2023-08-16 Rubber vibration damping washer structure of refrigerator motor bracket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311031768.0A CN117081307A (en) 2023-08-16 2023-08-16 Rubber vibration damping washer structure of refrigerator motor bracket

Publications (1)

Publication Number Publication Date
CN117081307A true CN117081307A (en) 2023-11-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311031768.0A Pending CN117081307A (en) 2023-08-16 2023-08-16 Rubber vibration damping washer structure of refrigerator motor bracket

Country Status (1)

Country Link
CN (1) CN117081307A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118040970A (en) * 2024-04-12 2024-05-14 江苏常晋智能电器有限公司 Mute motor with frequency modulation damping vibration absorption

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118040970A (en) * 2024-04-12 2024-05-14 江苏常晋智能电器有限公司 Mute motor with frequency modulation damping vibration absorption

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