CN113872384A - Vibration reduction structure, motor component and air conditioner - Google Patents
Vibration reduction structure, motor component and air conditioner Download PDFInfo
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- CN113872384A CN113872384A CN202111109632.8A CN202111109632A CN113872384A CN 113872384 A CN113872384 A CN 113872384A CN 202111109632 A CN202111109632 A CN 202111109632A CN 113872384 A CN113872384 A CN 113872384A
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- 230000009467 reduction Effects 0.000 title abstract description 15
- 238000013016 damping Methods 0.000 claims abstract description 150
- 238000003825 pressing Methods 0.000 claims abstract description 54
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000000670 limiting effect Effects 0.000 claims description 22
- 230000002265 prevention Effects 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 12
- 230000003014 reinforcing effect Effects 0.000 description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/40—Vibration or noise prevention at outdoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention provides a vibration reduction structure, a motor component and an air conditioner, comprising: the bracket is of an integrated structure and is provided with a plurality of mounting holes; the vibration damping parts are arranged in the mounting holes, part of structures of the vibration damping parts protrude out of the mounting holes, the vibration damping parts are multiple, the vibration damping parts and the mounting holes are arranged in a one-to-one correspondence mode, and the vibration damping parts are used for being connected with the motor; the pressing part is connected with the bracket, and the pressing part is abutted against the plurality of vibration damping parts so as to limit the plurality of vibration damping parts on the bracket. Through the technical scheme provided by the invention, the problems of poor vibration damping effect and low installation precision between the motor and the bracket in the prior art can be solved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a vibration reduction structure, a motor component and an air conditioner.
Background
In the prior art, a motor of an outdoor unit in a household air conditioner is fixed with a bracket through a screw and is rigidly connected with the bracket, and the motor is easy to directly transmit vibration to a machine body during operation, so that the noise and vibration of the whole machine are large.
Wherein, an improvement mode is: firstly, the motor is arranged in the rubber mat and then arranged on the bracket component, and the mode can effectively reduce vibration and noise, but has the following defects: fixing bolt spot welding appears the position incline easily on the support, and the bolt receives external force collision can appear defects such as bending in the subassembly transportation, leads to appearing after the installation causing unusual vibration problem with cushion cooperation hole site off-centre, extrusion, and the impact and the long-term operation that the motor frequently started in addition easily increase the hole wearing and tearing in the middle of the cushion, and further aggravation noise and vibration are unusual. In addition, the bolt is firstly spot-welded on the bracket, the processing requirement is high, and the production cost is increased. Therefore, the motor and the bracket are connected by adopting the welding bolt, the mounting precision is low, the assembly requirement is high, the vibration reduction effect of the motor is influenced, and the assembly mode between the motor and the bracket needs further research.
Disclosure of Invention
The invention provides a vibration damping structure, a motor component and an air conditioner, and aims to solve the problems that in the prior art, a motor and a support are low in connection and installation precision and poor in vibration damping effect.
In order to solve the above-mentioned problems, according to an aspect of the present invention, there is provided a vibration damping structure including: the bracket is of an integrated structure and is provided with a plurality of mounting holes; the vibration damping parts are arranged in the mounting holes, part of structures of the vibration damping parts protrude out of the mounting holes, the vibration damping parts are multiple, the vibration damping parts and the mounting holes are arranged in a one-to-one correspondence mode, and the vibration damping parts are used for being connected with the motor; the pressing part is connected with the bracket, and the pressing part is abutted against the plurality of vibration damping parts so as to limit the plurality of vibration damping parts on the bracket.
Further, the bracket comprises a first annular frame and a plurality of mounting pieces arranged on the first annular frame, wherein each mounting piece is provided with a mounting hole inside; the pressing portion comprises a second annular frame and a plurality of pressing pieces arranged on the second annular frame, and the plurality of pressing pieces and the plurality of mounting holes are arranged in a one-to-one correspondence mode.
Further, the both ends of mounting hole are first opening and second opening respectively, and the inner wall of mounting hole has towards the spacing face of first opening, the lateral wall and the spacing face butt of damping portion, and partly structure protrusion of damping portion outside the second opening compresses tightly the piece and penetrates the mounting hole and with the one end butt of damping portion from first opening.
Further, the mount includes: the first mounting cylinder is connected with the first annular frame and is provided with a first through hole; the second installation cylinder is connected with the first installation cylinder, the second installation cylinder is provided with a second through hole communicated with the first through hole, the first through hole and the second through hole form an installation hole, the radial size of the first through hole is larger than that of the second through hole, a limiting surface is formed at the joint of the first through hole and the second through hole, the first through hole is provided with a first opening, and the second through hole is provided with a second opening.
Further, the side wall of the mounting piece is provided with a buffer groove, and the buffer groove is communicated with the mounting hole.
Furthermore, the inner wall of mounting hole has the first face of preventing changeing, and the lateral wall of damping portion has the second face of preventing changeing, and the first face of preventing changeing cooperates with the second face of preventing changeing to carry on spacingly to the circumference of damping portion.
Further, first annular frame includes an annular section of thick bamboo and annular muscle, and a plurality of installed parts distribute on the outer wall of an annular section of thick bamboo, and annular muscle sets up around the outer wall of an annular section of thick bamboo, and every installed part all is connected with annular muscle.
Further, the pressing member includes: one end of the pressing cylinder is connected with the second annular frame, and the pressing cylinder penetrates through the mounting hole and is abutted against the vibration damping part; the buckle is arranged on the second annular frame and is connected with the first annular frame or the mounting piece in a clamping mode.
Further, press a section of thick bamboo to include cylindric wall and clamp plate, the one end and the second ring-shaped frame of cylindric wall are connected, and the clamp plate setting has the groove of dodging at the other end of cylindric wall, clamp plate and damping portion butt on cylindric wall and the clamp plate, and the buckle is located and dodges the inslot, has the draw-in groove on the lateral wall of installed part, and the tip card of buckle is gone into in the draw-in groove.
Furthermore, the support also comprises a third annular frame and a plurality of supporting arms, the first annular frame is positioned in a cavity of the third annular frame, the plurality of supporting arms are arranged around the first annular frame, and two ends of each supporting arm are respectively connected with the first annular frame and the third annular frame.
Further, damping portion includes cushion and fastener, and the cushion parcel lives the fastener, and the one end of fastener is located the outside of cushion, and wherein, the spacing cooperation of the outer wall of cushion and the inner wall of mounting hole, cushion are spaced apart fastener and support, and the one end protrusion of fastener is outside the mounting hole, and the fastener is used for being connected with the motor fastening, compresses tightly the one end butt of portion and cushion.
Further, the fastener includes spliced pole and limiting plate, and the one end of limiting plate and spliced pole is connected, and the cushion includes that interconnect's platelike pad and tube-shape fill up, and the limiting plate is lived in the parcel of platelike pad, and platelike pad and mounting hole are at the spacing cooperation of circumference, and the tube-shape is filled up on the spliced pole, and the one end protrusion of spliced pole fills up in the tube-shape.
Further, the cushion passes through injection moulding and fastener connection, and the fastener has internal thread or external screw thread, and the lateral wall of cushion has first locating surface, and the lateral wall of fastener has the second locating surface, second locating surface and first locating surface mutually perpendicular.
Further, the vibration damping portion is any one of: a spring; the air cushion is of an elastic structure with a closed cavity, and compressed gas is filled in the closed cavity; the first magnetic part and the second magnetic part are arranged in the mounting hole, the second magnetic part and the first magnetic part repel each other, the second magnetic part can move relative to the first magnetic part within a preset range, and the second magnetic part is used for being connected with the motor.
According to another aspect of the invention, a motor component is provided, the motor component comprises a motor and the vibration damping structure, a plurality of lugs are arranged on a shell of the motor, the lugs and the vibration damping parts of the vibration damping structure are connected in a one-to-one correspondence manner, and the shell, the lugs and a bracket are spaced apart.
According to another aspect of the present invention, there is provided an air conditioner including the vibration reducing structure described above.
By applying the technical scheme of the invention, the invention provides a vibration reduction structure, which comprises the following components: the bracket is of an integrated structure and is provided with a plurality of mounting holes; the vibration damping parts are arranged in the mounting holes, part of structures of the vibration damping parts protrude out of the mounting holes, the vibration damping parts are multiple, the vibration damping parts and the mounting holes are arranged in a one-to-one correspondence mode, and the vibration damping parts are used for being connected with the motor; the pressing part is connected with the bracket, and the pressing part is abutted against the plurality of vibration damping parts so as to limit the plurality of vibration damping parts on the bracket. By adopting the scheme, the support is arranged into a whole structure, a plurality of mounting holes are prefabricated when the support is manufactured, so that the position accuracy of the mounting holes can be ensured, then a plurality of vibration reduction parts are correspondingly mounted in the mounting holes and are compressed by the compression part, so that the mounting accuracy and the limit of the vibration reduction part are ensured, the mounting accuracy of the whole structure is ensured after the vibration reduction part is connected with the motor, and the vibration reduction effect of the vibration reduction part on the motor is prevented from being influenced by mounting accuracy errors. And, through damping portion with motor and leg joint, avoided the direct contact of motor and support, improved the damping effect between motor and the support. Set up and compress tightly portion and a plurality of damping portion butt, when the assembly, compress tightly the portion and can compress tightly a plurality of damping portions simultaneously, guaranteed the installation accuracy, avoid because the poor damping portion wearing and tearing and the vibration aggravation that cause of installation accuracy.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is an assembly view of a vibration damping structure and a motor according to an embodiment of the present invention;
FIG. 2 shows an exploded view of the damping structure of FIG. 1;
FIG. 3 shows a partial enlarged view of the vibration damping structure of FIG. 1;
fig. 4 is a schematic view showing a part of the structure of the vibration damping structure of fig. 1;
fig. 5 shows a schematic view of a part of the structure of the vibration damping structure in another position in fig. 1;
fig. 6 shows a cross-sectional view of the vibration damping structure and the motor of fig. 1;
FIG. 7 shows a partial enlarged view of FIG. 6;
fig. 8 is a structural view showing the vibration damping portion of fig. 1;
fig. 9 shows a cross-sectional view of the vibration damping portion of fig. 8;
fig. 10 shows an exploded view of the damping portion of fig. 8.
Wherein the figures include the following reference numerals:
10. a support; 11. mounting holes; 111. a limiting surface; 112. a first anti-rotation face; 12. a first annular frame; 121. an annular cylinder; 122. an annular rib; 123. reinforcing ribs; 13. a mounting member; 131. a first mounting cylinder; 132. a second mounting cylinder; 133. a buffer tank; 16. a third annular frame; 17. a support arm;
20. a vibration damping section; 21. a second anti-rotation face; 22. an elastic pad; 221. a plate-shaped pad; 222. a cylindrical pad; 23. a fastener; 231. connecting columns; 232. a limiting plate; 233. a second positioning surface;
30. a pressing part; 31. a second annular frame; 311. a second annular cylinder; 312. a second annular rib; 313. a second reinforcing rib; 32. a compression member; 321. pressing the cylinder; 3211. a cylindrical wall; 3212. pressing a plate; 3213. an avoidance groove; 322. buckling;
40. a motor; 41. a lug.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.
As shown in fig. 1 to 10, according to a first embodiment of the present invention, there is provided a vibration damping structure including: the support 10, the support 10 is an integral structure, the support 10 has a plurality of mounting holes 11; the vibration damping parts 20 are arranged in the mounting holes 11, part of the structure of the vibration damping parts 20 protrudes out of the mounting holes 11, the vibration damping parts 20 are multiple, the vibration damping parts 20 and the mounting holes 11 are arranged in a one-to-one correspondence manner, and the vibration damping parts 20 are used for being connected with the motor 40; the pressing portion 30, the pressing portion 30 and the bracket 10 are connected, and the pressing portion 30 abuts against the plurality of vibration damping portions 20 to define the plurality of vibration damping portions 20 on the bracket 10.
Adopt this scheme, set up support 10 as an organic whole structure, a plurality of mounting holes 11 are prefabricated out when making support 10, can guarantee the position accuracy of a plurality of mounting holes 11 like this, then correspond a plurality of damping portions 20 and install in a plurality of mounting holes 11, and compress tightly with compressing tightly portion 30, thereby guaranteed the installation accuracy and the spacing of damping portion 20, guaranteed overall structure's installation accuracy after being connected with motor 40 like this, avoid because installation accuracy error influences the damping effect of damping portion 20 to motor 40. In addition, the motor 40 is connected with the bracket 10 through the vibration damping part 20, so that the direct contact between the motor 40 and the bracket 10 is avoided, and the vibration damping effect between the motor 40 and the bracket 10 is improved. Set up and compress tightly portion 30 and a plurality of damping portion 20 butt, when the assembly, compress tightly portion 30 can compress tightly a plurality of damping portions 20 simultaneously, guaranteed the installation accuracy, avoid because the poor wearing and tearing and the vibration aggravation that cause damping portion 20 of installation accuracy.
Moreover, compared with the prior art, the assembly of the vibration damping structure can be realized without welding bolts on the support and using auxiliary tools, so that the mounting precision is improved, the assembly difficulty is reduced, and the production efficiency is improved.
Alternatively, the pressing part 30 includes a plurality of separate pressing members 32, and each pressing member 32 is installed to press one vibration damping part 20, respectively.
Wherein, the bracket 10 comprises a first annular frame 12 and a plurality of mounting pieces 13 arranged on the first annular frame 12, each mounting piece 13 is provided with a mounting hole 11 therein; the pressing portion 30 includes a second annular frame 31 and a plurality of pressing pieces 32 provided on the second annular frame 31, and the plurality of pressing pieces 32 and the plurality of mounting holes 11 are provided in one-to-one correspondence. By providing a plurality of mounting members 13 for connecting the motor 40, the vibration damping part 20 and the pressing part 30; set up a plurality of pieces 32 and the one-to-one setting of a plurality of mounting hole 11 that compress tightly, be convenient for compress tightly damping portion 20, avoid damping portion 20 to drop. Wherein the areas within the first and second ring frames 12, 31 are used to avoid the motor 40. Wherein, the compressing portion 30 is an integral structure, so that a plurality of vibration damping portions 20 can be simultaneously compressed by one-time assembly, and the assembly efficiency is improved.
Further, the both ends of mounting hole 11 are first opening and second opening respectively, and the inner wall of mounting hole 11 has towards first open-ended spacing face 111, and the lateral wall and the spacing face 111 butt of damping portion 20, and outside the second opening of partly structure protrusion of damping portion 20, the piece 32 that compresses tightly penetrates mounting hole 11 and with the one end butt of damping portion 20 from first opening.
The first opening and the second opening are provided to facilitate the insertion of the damping part 20 and the pressing part 30; a limiting surface 111 is arranged on the inner wall of the mounting hole 11 and is used for being abutted with the side wall of the vibration damping part 20 so as to limit the insertion depth of the vibration damping part 20; a part of the structure of the vibration damping part 20 is protruded out of the second opening, so that the direct contact between the motor 40 and the bracket 10 is avoided and vibration is transmitted to the air conditioner; the pressing piece 32 is abutted against one end of the vibration damping part 20 to prevent the vibration damping part 20 from falling off during operation. The axial position of the damping part 20 in the mounting hole 11 is defined by the limiting action of the pressing element 32 and the limiting surface 111.
Specifically, the side wall of the vibration damping portion 20 has a limit step, and the limit step abuts against the limit surface 111.
As shown in fig. 4 and 5, the mount 13 includes: a first mounting cylinder 131 connected to the first annular frame 12, the first mounting cylinder 131 having a first through hole; the second mounting cylinder 132 is connected with the first mounting cylinder 131, the second mounting cylinder 132 is provided with a second through hole communicated with the first through hole, the first through hole and the second through hole form a mounting hole 11, the radial size of the first through hole is larger than that of the second through hole, a limiting surface 111 is formed at the joint of the first through hole and the second through hole, the first through hole is provided with a first opening, and the second through hole is provided with a second opening.
The first and second mounting cylinders 131 and 132 are provided to facilitate assembly with the damping part 20, and the first and second through holes facilitate insertion of the damping part 20 and the pressing part 30 and may form the stopper surface 111. A stopper surface 111 is provided for abutting against the side wall of the vibration damping portion 20 to limit the insertion depth of the vibration damping portion 20. Optionally, the first through hole is a kidney-shaped hole, and the second through hole is a round hole. The first through hole is a waist-shaped hole, so that the vibration damping part 20 and the pressing part 30 can be limited in the circumferential direction, and rotation is avoided.
As shown in fig. 4, the mounting member 13 has a buffer groove 133 on a side wall thereof, and the buffer groove 133 communicates with the mounting hole 11. During assembly, the damping portion 20 is deformed by a tensile force applied thereto, and the mounting member 13 is pressed after the deformation, and the buffer groove 133 is provided to release the deformation, thereby reducing transmission of vibration to the bracket 10. Wherein the buffer groove 133 is communicated with the cavity in the first annular frame 12.
Specifically, the inner wall of the mounting hole 11 has a first rotation preventing surface 112, the side wall of the vibration damping portion 20 has a second rotation preventing surface 21, and the first rotation preventing surface 112 and the second rotation preventing surface 21 cooperate to limit the circumferential direction of the vibration damping portion 20. Through the cooperation of first surface 112 of preventing changeing with second surface 21 of preventing changeing, can play limiting displacement to the circumference of damping portion 20, avoid damping portion 20 to take place to rotate in circumference.
In the present embodiment, the first annular frame 12 includes an annular cylinder 121 and an annular rib 122, the plurality of mounting members 13 are distributed on the outer wall of the annular cylinder 121, the annular rib 122 is disposed around the outer wall of the annular cylinder 121, and each of the mounting members 13 is connected to the annular rib 122. The annular ribs 122 are arranged, so that the structural strength of the first annular frame 12 can be enhanced, deformation is prevented, and the stability in operation is improved. Specifically, the annular rib 122 is connected to the first mounting tube 131 of the mounting member 13.
Optionally, the first annular frame 12 further comprises a plurality of reinforcing ribs 123, the plurality of reinforcing ribs 123 are distributed on the end surface of the annular cylinder 121, and the second mounting cylinder 132 of one mounting member 13 is connected with at least one reinforcing rib 123. The plurality of reinforcing ribs 123 are distributed on the end face of the annular cylinder 121, so that the structural strength of the second mounting cylinder 132 is enhanced, and deformation is prevented.
In the present embodiment, the pressing member 32 includes: a pressing cylinder 321, one end of the pressing cylinder 321 is connected with the second annular frame 31, the pressing cylinder 321 penetrates into the mounting hole 11 and is abutted with the vibration damping part 20; and a buckle 322 arranged on the second annular frame 31, wherein the buckle 322 is clamped with the first annular frame 12 or the mounting piece 13. A pressing cylinder 321 which abuts against the vibration damping part 20 to prevent the vibration damping part 20 from falling off; set up buckle 322 and first annular frame 12 or installed part 13 joint, adopt the mode of joint to connect, need not to adopt fasteners such as bolt, be convenient for installation and dismantlement.
Optionally, the second annular frame 31 includes a second annular cylinder 311, a second annular rib 312 and a plurality of second reinforcing ribs 313, the plurality of pressing members 32 are distributed on the second annular cylinder 311, the second annular rib 312 is disposed around the outer wall of the second annular cylinder 311, each pressing cylinder 321 is connected to the second annular rib 312, the second reinforcing ribs 313 are disposed on the second annular cylinder 311, and the ends of the pressing cylinders 321 are connected to the second reinforcing ribs 313. By providing the second annular bead 312 and the plurality of second reinforcing beads 313, the structural strength of the second annular frame 31 can be enhanced, ensuring stability in operation. The shape of the pressure cylinder 321 matches the shape of the first through hole.
Further, the pressure cylinder 321 comprises a cylindrical wall 3211 and a pressure plate 3212, one end of the cylindrical wall 3211 is connected to the second annular frame 31, the pressure plate 3212 is disposed at the other end of the cylindrical wall 3211, the pressure plate 3212 abuts against the vibration damping portion 20, the cylindrical wall 3211 and the pressure plate 3212 are provided with an avoiding groove 3213, the buckle 322 is located in the avoiding groove 3213, the side wall of the mounting part 13 is provided with a clamping groove, and the end of the buckle 322 is clamped into the clamping groove.
A pressure plate 3212 for abutting against the vibration damping portion 20 to prevent the vibration damping portion 20 from coming off; the escape groove 3213 is provided so that the clip 322 has a space to be elastically deformed, thereby being clipped to the first annular frame 12 or the mounting member 13. A part of the avoiding groove 3213 is located in the cylindrical wall 3211, and another part is located in the pressure plate 3212. Wherein, the buffer slot 133 is a slot; the catch groove can also be understood as being provided on the first annular shelf 12; the buffer groove 133 may also be understood as being provided on the first annular frame 12.
As shown in fig. 1 and 2, the stand 10 further includes a third annular frame 16 and a plurality of support arms 17, the first annular frame 12 is located in the cavity of the third annular frame 16, the plurality of support arms 17 are disposed around the first annular frame 12, and both ends of each support arm 17 are connected to the first annular frame 12 and the third annular frame 16, respectively. A plurality of support arms 17 are provided for connecting the third annular frame 16 and the first annular frame 12. The support 10 and the pressing part 30 are both injection-molded integrated structures, so that the structural accuracy of the support 10 and the pressing part 30 is ensured, and the mounting accuracy during mounting is improved.
In this embodiment, the vibration damping portion 20 includes an elastic pad 22 and a fastening member 23, the elastic pad 22 wraps the fastening member 23, one end of the fastening member 23 is located outside the elastic pad 22, wherein an outer wall of the elastic pad 22 is in limit fit with an inner wall of the mounting hole 11, the fastening member 23 is spaced apart from the bracket 10 by the elastic pad 22, one end of the fastening member 23 protrudes out of the mounting hole 11, the fastening member 23 is used for being fastened and connected with the motor 40, and the pressing portion 30 abuts against one end of the elastic pad 22.
By arranging the elastic pad 22 to separate the fastening piece 23 from the bracket 10, the fastening piece 23 is prevented from being in direct contact with the bracket 10, and the vibration damping and buffering effects are achieved. The elastic pad 22 is made of an elastic material such as rubber; the thickness of the rubber can be accurately controlled, so that the thickness between the elastic pad 22 and the fastening piece 23 is uniform, the stress of each part is uniform, and the vibration reduction effect is ensured.
The fastener 23 comprises a connecting column 231 and a limiting plate 232, one end of the limiting plate 232 is connected with one end of the connecting column 231, the elastic pad 22 comprises a plate-shaped pad 221 and a cylindrical pad 222 which are connected with each other, the limiting plate 232 is wrapped by the plate-shaped pad 221, the plate-shaped pad 221 is in circumferential limiting fit with the mounting hole 11, the cylindrical pad 222 is sleeved on the connecting column 231, and one end of the connecting column 231 protrudes out of the cylindrical pad 222. A connection post 231 is provided for connection with the motor 40; a limiting plate 232 is arranged to be connected with the elastic cushion 22 conveniently; the limiting plate 232 is wrapped by the plate-shaped pad 221, so that the effects of buffering and vibration reduction are achieved. One end of the connecting column 231 protrudes out of the cylindrical pad 222, so that the direct contact between the motor 40 and the bracket 10 is avoided, and the vibration reduction effect between the motor 40 and the bracket 10 is improved. The pressing portion 30 abuts against the plate-like pad 221, and prevents the elastic pad 22 from moving in the axial direction and from falling off.
Further, the elastic pad 22 is connected with the fastening member 23 through injection molding, the fastening member 23 has an internal thread or an external thread, a side wall of the elastic pad 22 has a first positioning surface, a side wall of the fastening member 23 has a second positioning surface 233, and the second positioning surface 233 and the first positioning surface are perpendicular to each other. The elastic pad 22 is connected with the fastening piece 23 through an injection molding process, so that the fastening piece 23 can be wrapped on the elastic pad 22 in the circumferential direction, and the vibration damping effect is improved. The second positioning surface 233 and the first positioning surface are perpendicular to each other, so that the elastic pad 22 and the fastener 23 are accurately positioned when connected, and deflection is avoided. Wherein the first positioning surface is the second rotation prevention surface 21.
In other embodiments not shown in the drawings, the vibration damping portion 20 is any one of: a spring; the air cushion is of an elastic structure with a closed cavity, and compressed gas is filled in the closed cavity; the first magnetic part and the second magnetic part are arranged in the mounting hole 11, the second magnetic part and the first magnetic part repel each other, the second magnetic part can move relative to the first magnetic part within a preset range, and the second magnetic part is connected with the motor 40. Through the arrangement, the vibration damping device has the same effect as the vibration damping part 20, namely, the vibration generated when the motor rotates is buffered and filtered, and then is transmitted to the air conditioner, so that the influence on the user experience caused by the resonance of the whole machine is prevented.
According to the second embodiment of the invention, a motor component is provided, the motor component comprises a motor 40 and the vibration damping structure, a plurality of lugs 41 are arranged on a shell of the motor 40, the lugs 41 are connected with the vibration damping parts 20 of the vibration damping structure in a one-to-one correspondence manner, and the shell and the lugs 41 are all spaced from the bracket 10. By arranging the plurality of lugs 41, the damping parts 20 can be conveniently and correspondingly connected one by one, and the assembly of the whole machine is realized. The motor component further comprises a screw and a gasket, the gasket is sleeved on the screw, and the screw is connected with the vibration damping portion 20. Further, the motor 40 is connected with the fan blades, and the motor 40 and the fan blades form a fan.
Specifically, the lug 41 abuts against the fastener 23 of the vibration damping portion 20. A portion of the housing of the motor 40 is located within the first annular frame 12 with a gap between the housing and the first annular frame 12. By adopting the arrangement, the direct contact between the motor 40 and the first annular frame 12 can be avoided, the transmission of vibration is reduced, and the influence on the user experience caused by the resonance of the whole machine is prevented.
According to a third embodiment of the present invention, an air conditioner is provided, which includes the above vibration reduction structure. Through setting up the damping structure, can effectively reduce the vibration and the noise of air conditioner, improve user's experience.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (16)
1. A vibration damping structure characterized by comprising:
the support (10), the support (10) is an integral structure, and a plurality of mounting holes (11) are formed in the support (10);
the vibration damping parts (20) are arranged in the mounting holes (11), a part of the structure of each vibration damping part (20) protrudes out of the mounting holes (11), the vibration damping parts (20) are multiple, the vibration damping parts (20) and the mounting holes (11) are arranged in a one-to-one correspondence mode, and the vibration damping parts (20) are used for being connected with a motor (40);
a pressing portion (30), the pressing portion (30) and the bracket (10) being connected, the pressing portion (30) and the plurality of vibration-damping portions (20) abutting to define the plurality of vibration-damping portions (20) on the bracket (10).
2. The vibration damping structure according to claim 1,
the bracket (10) comprises a first annular frame (12) and a plurality of mounting pieces (13) arranged on the first annular frame (12), wherein each mounting piece (13) is provided with a mounting hole (11);
the pressing portion (30) comprises a second annular frame (31) and a plurality of pressing pieces (32) arranged on the second annular frame (31), and the plurality of pressing pieces (32) and the plurality of mounting holes (11) are arranged in a one-to-one correspondence mode.
3. The vibration damping structure according to claim 2, wherein two ends of the mounting hole (11) are respectively a first opening and a second opening, the inner wall of the mounting hole (11) is provided with a limiting surface (111) facing the first opening, the side wall of the vibration damping part (20) is abutted against the limiting surface (111), a part of the structure of the vibration damping part (20) protrudes out of the second opening, and the pressing piece (32) penetrates into the mounting hole (11) from the first opening and is abutted against one end of the vibration damping part (20).
4. The vibration damping structure according to claim 3, wherein the mount (13) includes:
a first mounting cylinder (131) connected to the first annular frame (12), the first mounting cylinder (131) having a first through hole;
a second installation cylinder (132) connected to the first installation cylinder (131), the second installation cylinder (132) having a second through hole communicating with the first through hole, the first through hole and the second through hole constituting the installation hole (11), the radial dimension of the first through hole being larger than the radial dimension of the second through hole, the junction of the first through hole and the second through hole forming the limit surface (111), the first through hole having the first opening, the second through hole having the second opening.
5. The vibration damping structure according to claim 2, wherein a damping groove (133) is provided in a side wall of the mounting member (13), and the damping groove (133) communicates with the mounting hole (11).
6. The vibration damping structure according to claim 1, wherein an inner wall of the mounting hole (11) has a first rotation prevention surface (112), a side wall of the vibration damping portion (20) has a second rotation prevention surface (21), and the first rotation prevention surface (112) and the second rotation prevention surface (21) cooperate to limit a circumferential direction of the vibration damping portion (20).
7. Damping structure according to claim 2, characterized in that said first annular frame (12) comprises an annular cylinder (121) and an annular rib (122), a plurality of said mounting members (13) being distributed on the outer wall of said annular cylinder (121), said annular rib (122) being arranged around the outer wall of said annular cylinder (121), each of said mounting members (13) being connected to said annular rib (122).
8. The vibration damping structure according to claim 2, characterized in that the pressing member (32) includes:
a pressing cylinder (321), one end of the pressing cylinder (321) is connected with the second annular frame (31), and the pressing cylinder (321) penetrates into the mounting hole (11) and is abutted against the vibration damping part (20);
a buckle (322) arranged on the second annular frame (31), wherein the buckle (322) is clamped with the first annular frame (12) or the mounting piece (13).
9. The vibration damping structure according to claim 8, wherein the pressure cylinder (321) comprises a cylindrical wall (3211) and a pressure plate (3212), one end of the cylindrical wall (3211) is connected with the second annular frame (31), the pressure plate (3212) is disposed at the other end of the cylindrical wall (3211), the pressure plate (3212) is abutted against the vibration damping portion (20), an avoiding groove (3213) is formed in the cylindrical wall (3211) and the pressure plate (3212), the buckle (322) is located in the avoiding groove (3213), a clamping groove is formed in the side wall of the mounting member (13), and the end portion of the buckle (322) is clamped into the clamping groove.
10. The damping structure according to claim 2, characterized in that the carrier (10) further comprises a third annular frame (16) and a plurality of support arms (17), the first annular frame (12) being located in a cavity of the third annular frame (16), the plurality of support arms (17) being disposed around the first annular frame (12), both ends of each support arm (17) being connected to the first annular frame (12) and the third annular frame (16), respectively.
11. The vibration damping structure according to any one of claims 1 to 10, wherein the vibration damping portion (20) comprises an elastic pad (22) and a fastening member (23), the elastic pad (22) wraps the fastening member (23), one end of the fastening member (23) is located outside the elastic pad (22), wherein an outer wall of the elastic pad (22) is in limit fit with an inner wall of the mounting hole (11), the elastic pad (22) spaces the fastening member (23) from the bracket (10), one end of the fastening member (23) protrudes out of the mounting hole (11), the fastening member (23) is used for being fastened and connected with the motor (40), and one end of the pressing portion (30) and the elastic pad (22) are abutted.
12. The vibration damping structure according to claim 11, wherein the fastening member (23) comprises a connecting column (231) and a limiting plate (232), the limiting plate (232) is connected with one end of the connecting column (231), the elastic pad (22) comprises a plate-shaped pad (221) and a cylindrical pad (222) which are connected with each other, the limiting plate (232) is wrapped by the plate-shaped pad (221), the plate-shaped pad (221) is in circumferential limit fit with the mounting hole (11), the cylindrical pad (222) is sleeved on the connecting column (231), and one end of the connecting column (231) protrudes out of the cylindrical pad (222).
13. The vibration damping structure according to claim 11, wherein the elastic pad (22) is connected to the fastening member (23) by injection molding, the fastening member (23) has an internal or external thread, a side wall of the elastic pad (22) has a first positioning surface, a side wall of the fastening member (23) has a second positioning surface (233), and the second positioning surface (233) and the first positioning surface are perpendicular to each other.
14. The vibration damping structure according to any one of claims 1 to 10, characterized in that the vibration damping portion (20) is any one of:
a spring;
the air cushion is of an elastic structure with a closed cavity, and compressed gas is filled in the closed cavity;
the first magnetic part and the second magnetic part are arranged in the mounting hole (11), the second magnetic part and the first magnetic part repel each other, the second magnetic part can move relative to the first magnetic part within a preset range, and the second magnetic part is used for being connected with the motor (40).
15. An electric machine component, characterized in that the electric machine (40) component comprises an electric machine (40) and a vibration damping structure according to any one of claims 1 to 14, a housing of the electric machine (40) is provided with a plurality of lugs (41), the plurality of lugs (41) and the plurality of vibration damping parts (20) of the vibration damping structure are connected in a one-to-one correspondence, and the housing and the lugs (41) are spaced from the bracket (10).
16. An air conditioner characterized by comprising the vibration reducing structure according to any one of claims 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111109632.8A CN113872384B (en) | 2021-09-22 | 2021-09-22 | Vibration reduction structure, motor component and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111109632.8A CN113872384B (en) | 2021-09-22 | 2021-09-22 | Vibration reduction structure, motor component and air conditioner |
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| Publication Number | Publication Date |
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| CN113872384A true CN113872384A (en) | 2021-12-31 |
| CN113872384B CN113872384B (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201106655Y (en) * | 2007-08-30 | 2008-08-27 | 鸿富锦精密工业（深圳）有限公司 | Shock-absorbing structure |
| CN106440283A (en) * | 2016-09-26 | 2017-02-22 | 珠海格力电器股份有限公司 | Motor mounting structure and air conditioner of air conditioner |
| CN208936515U (en) * | 2018-10-22 | 2019-06-04 | 珠海格力电器股份有限公司 | Vibration reduction assembly, motor and air conditioner |
| CN112577112A (en) * | 2020-12-29 | 2021-03-30 | 珠海格力电器股份有限公司 | Fan and air conditioner |
| CN214007883U (en) * | 2020-10-23 | 2021-08-20 | 宁波方太厨具有限公司 | Vibration reduction assembly and electric appliance with same |
-
2021
- 2021-09-22 CN CN202111109632.8A patent/CN113872384B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201106655Y (en) * | 2007-08-30 | 2008-08-27 | 鸿富锦精密工业（深圳）有限公司 | Shock-absorbing structure |
| CN106440283A (en) * | 2016-09-26 | 2017-02-22 | 珠海格力电器股份有限公司 | Motor mounting structure and air conditioner of air conditioner |
| CN208936515U (en) * | 2018-10-22 | 2019-06-04 | 珠海格力电器股份有限公司 | Vibration reduction assembly, motor and air conditioner |
| CN214007883U (en) * | 2020-10-23 | 2021-08-20 | 宁波方太厨具有限公司 | Vibration reduction assembly and electric appliance with same |
| CN112577112A (en) * | 2020-12-29 | 2021-03-30 | 珠海格力电器股份有限公司 | Fan and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113872384B (en) | 2022-09-27 |
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