CN111682686B - Motor with noise reduction device - Google Patents
Motor with noise reduction device Download PDFInfo
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- CN111682686B CN111682686B CN202010333425.XA CN202010333425A CN111682686B CN 111682686 B CN111682686 B CN 111682686B CN 202010333425 A CN202010333425 A CN 202010333425A CN 111682686 B CN111682686 B CN 111682686B
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- protective cover
- fixedly connected
- pipeline
- shell
- sliding
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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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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
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- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
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- Motor Or Generator Frames (AREA)
Abstract
The invention relates to a motor with a noise reduction device, which comprises a mounting seat, a shell fixedly connected to the mounting seat, an output shaft rotatably connected to the shell, a fan blade arranged at one end of the output shaft and a protective cover fixedly connected to one end of the shell and covering the fan blade, wherein the protective cover is detachably connected to one end of the shell; the central splitter plate and the pair of side air guide plates form a channel with a V-shaped section; the central splitter plate and the pair of side air guide plates are both made of sound-deadening materials. The invention is convenient for reducing the noise generated by the fan blades, thereby reducing the noise pollution.
Description
Technical Field
The invention relates to the technical field of motor noise reduction, in particular to a motor with a noise reduction device.
Background
Noise is a type of sound that causes irritation or is too loud and harmful to human health. The motor generates noise during operation, which is mainly caused by the rotation of the output shaft and the rotation of the fan blades.
The motor generally includes a mounting base, a housing fixedly connected to the mounting base, an output shaft rotatably connected to the housing, a fan blade mounted at one end of the output shaft, and a protective cover fixedly connected to one end of the housing and covering the fan blade.
The above prior art solutions have the following drawbacks: the noise generated by the fan blades is inconvenient to reduce in the prior art, so that the discomfort of workers is easily caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the motor with the noise reduction device, which is convenient for reducing the noise generated by the fan blades, so that the noise pollution can be reduced.
The above object of the present invention is achieved by the following technical solutions:
a motor with a noise reduction device comprises a mounting seat, a shell fixedly connected to the mounting seat, an output shaft rotatably connected to the shell, a fan blade arranged at one end of the output shaft, and a protective cover fixedly connected to one end of the shell and covering the fan blade, wherein the protective cover is detachably connected to one end of the shell; the central splitter plate and the pair of side air guide plates form a channel with a V-shaped section; the central splitter plate and the pair of side air guide plates are both made of sound-deadening materials.
By adopting the technical scheme, the central splitter plate and the pair of side air guide plates are both made of silencing materials, so that noise generated in the protective cover can be absorbed conveniently; the channel with the V-shaped section is used for ventilation, so that the possibility of unsmooth air circulation caused by blockage can be reduced, and the possibility of noise caused by the unsmooth air circulation in the protective cover can be reduced; in conclusion, the noise reduction device is arranged, so that noise generated by the fan blades is reduced conveniently, and noise pollution can be reduced.
The present invention in a preferred example may be further configured to: the connecting mechanism comprises a first circular ring fixedly connected to the inner peripheral surface of one end, close to the shell, of the protective cover and capable of being connected to one end, close to the protective cover, of the shell in a sliding mode, a plurality of first sliding grooves sequentially formed in the outer peripheral surface of the shell along the circumferential direction of the shell, and a plurality of limiting blocks which are in one-to-one correspondence and connected to the first sliding grooves in a sliding mode along the radial direction of the protective cover; each limiting block can abut against one end, far away from the shell, of the first circular ring, and a first reset assembly for driving the limiting blocks to reset is installed in each first sliding groove; the inner peripheral surface of the first circular ring is provided with a first inclined surface, one side of each limiting block, which is close to the first circular ring, is provided with a second inclined surface, and the first inclined surface is matched with the second inclined surface; the shell is close to the one end of safety cover and installs and be used for carrying out spacing subassembly near shell one end to first ring, install on the safety cover and be used for driving the drive assembly that the stopper removed to first spout.
By adopting the technical scheme, the protective cover is connected with the shell by moving the protective cover, the protective cover moves to drive the first circular ring to move, and at the moment, the first circular ring drives the limiting block to move towards the first sliding groove under the action of the first inclined surface and the second inclined surface; when the first circular ring moves over the limiting block, the limiting block resets under the action of the first resetting component, and then the first circular ring is fixed under the action of the limiting component and the limiting block; through setting up coupling mechanism, be convenient for fix the safety cover.
The present invention in a preferred example may be further configured to: the first reset assembly comprises a second sliding chute arranged in the first sliding chute, a first sliding sleeve connected to the second sliding chute in a sliding manner along the radial direction of the protective cover, and a first guide rod fixedly connected to the second sliding chute; the first sliding sleeve is connected to the first guide rod in a sliding mode along the radial direction of the protective cover, and the first sliding sleeve is fixedly connected to one side of the limiting block; the first guide rod is sleeved with a first spring, one end of the first spring is fixedly connected to one end, away from the first circular ring, of the first sliding sleeve, and the other end of the first spring is fixedly connected to the inner wall of one end, away from the first circular ring, of the second sliding groove.
By adopting the technical scheme, the limiting block moves into the first sliding groove to drive the first sliding sleeve to move, the first sliding sleeve moves to compress the first spring, and the first spring is in a compressed state at the moment; when the first ring is separated from the limiting block, the first sliding sleeve drives the limiting block to reset under the action of the first spring; through setting up first reset assembly, be convenient for drive stopper and reset.
The present invention in a preferred example may be further configured to: the limiting assembly comprises a limiting plate fixedly sleeved on one end of the shell, close to the protective cover, and a plurality of horizontal rods sequentially connected to the limiting plate in a sliding manner along the axial direction of the limiting plate; every the horizon bar runs through the limiting plate setting, the one end rigid coupling that the horizon bar is close to the safety cover has the dog, the second spring has been cup jointed on the horizon bar, the both ends of second spring rigid coupling respectively in limiting plate and dog.
By adopting the technical scheme, the first circular ring moves to drive the stop block to move, the stop block moves to compress the second spring, and the second spring is in a compressed state at the moment; when the first circular ring passes through the limiting block, the first circular ring is abutted to the limiting block by the stop block under the action of the second spring; by arranging the limiting assembly, on one hand, the protective cover is convenient to fix, so that the labor intensity of operators can be reduced; on the other hand, the shock absorption of the protective cover is facilitated, so that the possibility of noise generation of the protective cover can be reduced.
The present invention in a preferred example may be further configured to: the driving assembly comprises a first pipeline which is in threaded connection with the outer side wall of the protective cover; the outer side wall of the protective cover is provided with a plurality of through holes, the end surface area of each through hole is larger than that of the first sliding groove, a push block is connected in each through hole in a sliding mode along the radial direction of the protective cover, the push blocks and the limiting blocks are arranged in a one-to-one correspondence mode, and one end, far away from the first pipeline, of each push block can abut against one end, close to the first pipeline, of each limiting block; a third inclined plane is arranged at one end, close to the shell, of the first pipeline, a fourth inclined plane is arranged at one end, close to the first pipeline, of each push block, and each fourth inclined plane can be matched with the third inclined plane; and a second reset assembly for driving the push block to reset is installed in the protective cover.
By adopting the technical scheme, when the protective cover needs to be taken down, the first pipeline is rotated to move towards the direction close to the push block, and at the moment, the first pipeline drives the push block to move towards the direction close to the limiting block under the action of the third inclined surface and the fourth inclined surface, so that the limiting block can be driven to move towards the first sliding groove, and then the protective cover can be taken down; through setting up drive assembly, be convenient for take off the safety cover.
The present invention in a preferred example may be further configured to: the second reset assembly comprises a second guide rod fixedly connected to the inner wall of the protective cover and a second sliding sleeve connected to the second guide rod in a sliding manner along the radial direction of the protective cover; the second sliding sleeve is fixedly connected to one side of the push block; a third spring is sleeved on the second guide rod, one end of the third spring is fixedly connected to one end, close to the first pipeline, of the second sliding sleeve, and the other end of the third spring is fixedly connected to the inner wall of the protective cover.
By adopting the technical scheme, the push block moves towards the direction close to the limiting block to drive the second sliding sleeve to move, the second sliding sleeve moves to stretch the third spring, and the third spring is in a stretched state at the moment; when the first pipeline is separated from the push block, the second sliding sleeve drives the push block to reset under the action of the third spring; through setting up the second reset assembly, be convenient for drive ejector pad resets.
The present invention in a preferred example may be further configured to: two ends of the bottom of the mounting seat are respectively provided with a damping mechanism, and each group of damping mechanisms comprises two second pipelines; a second circular ring is fixedly connected to the inner peripheral surface of each second pipeline, a plurality of spring steel sheets are sequentially arranged on the inner peripheral surface of each second circular ring along the circumferential direction of the second circular ring, and each spring steel sheet is arranged in a downward inclination manner; an inserting rod is connected to the mounting seat corresponding to the second pipeline in a threaded mode, the inserting rod is inserted into an inner cavity of the second pipeline, one end, far away from the second ring, of each spring steel sheet can abut against the outer side wall of the inserting rod, a limiting ring is fixedly connected to the top of the second pipeline, a third pipeline is connected to the limiting ring in a sliding mode in the vertical direction, one end, close to the second ring, of the third pipeline is fixedly connected with a pushing pipe, the cross section of the pushing pipe is sequentially increased in the vertical direction, the other end of the third pipeline is fixedly connected with a pressing pipe, and the inserting rod can be connected to the pressing pipe and the third pipeline in a sliding mode in the vertical direction; and the bottom of the mounting seat is provided with a transmission assembly for driving the four push pipes to move downwards.
By adopting the technical scheme, the second pipeline is firstly installed on a plate of equipment for installing the motor, then the insertion rods are inserted into the second pipeline in a one-to-one correspondence manner by moving the motor, the insertion rods drive the spring steel sheets to move towards the direction close to the inner wall of the second pipeline under the action of the gravity of the motor, and after the insertion rods are inserted into the second pipeline, the spring steel sheets are abutted against the insertion rods under the action of the elasticity of the spring steel sheets; through setting up spring steel sheet, be convenient for carry out the shock attenuation to the inserted bar to can alleviate the possibility that the mount pad takes place the vibration, therefore can alleviate the possibility that the mount pad produced the noise.
The present invention in a preferred example may be further configured to: the transmission assembly comprises two lead screws rotatably connected to the bottom of the mounting seat and two connecting blocks respectively in threaded connection with the two lead screws; the two connecting blocks are respectively arranged corresponding to the two groups of damping mechanisms, the two ends of each connecting block are respectively and fixedly connected with a third circular ring, each third circular ring is positioned above the pushing pipe and sleeved on the inserting rod, and the third circular rings are connected to the inserting rod in a vertical sliding mode; the bottom of the mounting seat is rotatably connected with a horizontal shaft, a hand wheel is fixedly connected to one end of the horizontal shaft, and the outer side walls of two ends of the horizontal shaft are respectively provided with a worm; a worm wheel is fixedly connected to the top of each lead screw; the two worms are respectively meshed with the two worm wheels.
By adopting the technical scheme, when the motor is required to be separated from the plate, the horizontal shaft is rotated by rotating the hand wheel, the horizontal shaft rotates to drive the worm to rotate, the worm rotates to drive the worm gear to rotate, the worm gear rotates to drive the lead screw to rotate, the lead screw rotates to drive the connecting block to move downwards, the connecting block moves downwards to drive the third ring to move downwards, the third ring moves downwards to drive the pushing pipe to move downwards, the pushing pipe moves downwards to drive the spring steel sheet to be separated from the inserting rod, then the inserting rod is separated from the second pipeline by rotating the inserting rod, and then the motor can be taken out; through setting up transmission assembly, be convenient for dismantle the motor.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the central splitter plate and the pair of side air guide plates are both made of sound-absorbing materials, so that noise generated in the protective cover can be absorbed conveniently; the channel with the V-shaped section is used for ventilation, so that the possibility of unsmooth air circulation caused by blockage can be reduced, and the possibility of noise caused by the unsmooth air circulation in the protective cover can be reduced; in conclusion, the noise reduction device is arranged, so that the noise generated by the fan blades is reduced conveniently, and the noise pollution can be reduced;
2. the first circular ring moves to drive the stop block to move, the stop block moves to compress the second spring, and the second spring is in a compressed state at the moment; when the first circular ring passes through the limiting block, the first circular ring is abutted to the limiting block by the stop block under the action of the second spring; by arranging the limiting assembly, on one hand, the protective cover is convenient to fix, so that the labor intensity of operators can be reduced; on the other hand, the shock absorption of the protective cover is facilitated, so that the possibility of noise generation of the protective cover can be reduced;
3. firstly, mounting a second pipeline on a plate of equipment for mounting a motor, then moving the motor to enable the insertion rods to be inserted into the second pipeline in a one-to-one correspondence manner, driving the spring steel sheets to move towards the direction close to the inner wall of the second pipeline by the insertion rods under the action of the gravity of the motor, and abutting the spring steel sheets with the insertion rods under the action of the elasticity of the spring steel sheets after the insertion rods are inserted into the second pipeline; through setting up spring steel sheet, be convenient for carry out the shock attenuation to the inserted bar to can alleviate the possibility that the mount pad takes place the vibration, therefore can alleviate the possibility that the mount pad produced the noise.
Drawings
FIG. 1 is a partial cross-sectional view of an embodiment of a highlighted blade;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view showing the structure of a shock absorbing mechanism according to an embodiment;
FIG. 4 is a partial cross-sectional view of the embodiment with the spring steel plate highlighted.
In the figure, 10, a mounting seat; 11. a housing; 111. a first chute; 12. an output shaft; 13. a fan blade; 14. a protective cover; 141. a vent hole; 142. perforating; 2. a noise reduction device; 21. a central manifold; 22. a side air guide plate; 23. a channel; 3. a connecting mechanism; 31. a first circular ring; 311. a first inclined plane; 32. a limiting block; 321. a second inclined plane; 4. a first reset assembly; 41. a second chute; 42. a first sliding sleeve; 43. a first guide bar; 44. a first spring; 5. a limiting component; 51. a limiting plate; 52. a horizontal bar; 53. a stopper; 54. a second spring; 6. a drive assembly; 61. a first conduit; 611. a third inclined plane; 62. a push block; 621. a fourth slope; 7. a second reset assembly; 71. a second guide bar; 72. a second sliding sleeve; 73. a third spring; 8. a damping mechanism; 81. a second conduit; 82. a second circular ring; 83. a spring steel sheet; 84. inserting a rod; 85. a limiting ring; 86. a third pipeline; 861. pushing the pipe; 862. pressing a pipe; 87. a transmission assembly; 871. a lead screw; 872. connecting blocks; 873. a third circular ring; 874. a horizontal axis; 875. a hand wheel; 876. a worm; 877. a worm gear; 9. a plate material.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the motor with a noise reduction device disclosed in the present invention includes a mounting base 10, a housing 11 fixed to the mounting base 10, an output shaft 12 rotatably connected to the housing 11, a fan blade 13 mounted at one end of the output shaft 12, and a protective cover 14 fixed to one end of the housing 11 and covering the fan blade 13.
As shown in fig. 1, the protective cover 14 is detachably connected to one end of the housing 11, a vent hole 141 is formed in an outer peripheral surface of one end of the protective cover 14, which is away from the housing 11, the noise reduction device 2 is installed on an inner peripheral surface of the protective cover 14, and the noise reduction device 2 includes a central splitter plate 21 fixedly connected to an inner end surface of one end of the protective cover 14, which is away from the housing 11, and two side air deflectors 22 symmetrically arranged on the inner peripheral surface of the; the central splitter plate 21 and the pair of side air deflectors 22 form a channel 23 with a V-shaped section; the central splitter plate 21 and the pair of side wind guide plates 22 are each made of a sound deadening material. The central splitter plate 21 and the pair of side air deflectors 22 are made of sound absorbing material, so that noise generated in the protective cover 14 can be absorbed conveniently; the channel 23 with the V-shaped cross section is used for ventilation, so that the possibility of unsmooth air circulation caused by blockage can be reduced, and the possibility of noise caused by the unsmooth air circulation in the protective cover 14 can be reduced; in summary, the noise reduction device 2 is provided to facilitate reduction of noise generated by the fan blades 13, thereby reducing noise pollution.
As shown in fig. 1 and fig. 2, the noise reduction device 2 further includes a connecting mechanism 3 for installing the protection cover 14, the connecting mechanism 3 includes a first ring 31 fixedly connected to an inner peripheral surface of one end of the protection cover 14 close to the housing 11 and slidably connected to one end of the housing 11 close to the protection cover 14, a plurality of first sliding grooves 111 sequentially opened on the outer peripheral surface of the housing 11 along a circumferential direction of the housing 11, and a plurality of limiting blocks 32 slidably connected to the plurality of first sliding grooves 111 along a radial direction of the protection cover 14 in a one-to-one correspondence manner; each limit block 32 can abut against one end of the first circular ring 31 far away from the shell 11, and a first reset component 4 for driving the limit block 32 to reset is installed in each first sliding groove 111; a first inclined surface 311 is arranged on the inner circumferential surface of the first circular ring 31, the first inclined surface 311 is annular, a second inclined surface 321 is arranged on one side of each limiting block 32 close to the first circular ring 31, and the first inclined surface 311 is matched with the second inclined surface 321; a limiting component 5 for limiting one end of the first ring 31 close to the shell 11 is mounted at one end of the shell 11 close to the protective cover 14, and a driving component 6 for driving the limiting block 32 to move into the first sliding groove 111 is mounted on the protective cover 14. The protective cover 14 is connected with the housing 11 by moving the protective cover 14, the protective cover 14 moves to drive the first circular ring 31 to move, and at this time, the first circular ring 31 drives the limit block 32 to move towards the first sliding groove 111 under the action of the first inclined surface 311 and the second inclined surface 321; after the first ring 31 moves past the limiting block 32, the limiting block 32 is reset under the action of the first resetting component 4, and then the first ring 31 is fixed under the action of the limiting component 5 and the limiting block 32; by providing the connecting mechanism 3, the protective cover 14 is easily fixed.
The first reset assembly 4 includes a second sliding groove 41 opened in the first sliding groove 111, a first sliding sleeve 42 slidably connected to the second sliding groove 41 along the radial direction of the protective cover 14, and a first guide rod 43 fixedly connected to the second sliding groove 41; the first sliding sleeve 42 is connected to the first guide rod 43 in a sliding manner along the radial direction of the protective cover 14, and the first sliding sleeve 42 is fixedly connected to one side of the limiting block 32; the first guide rod 43 is sleeved with a first spring 44, one end of the first spring 44 is fixedly connected to one end of the first sliding sleeve 42 away from the first circular ring 31, and the other end of the first spring 44 is fixedly connected to an inner wall of one end of the second sliding groove 41 away from the first circular ring 31. The limiting block 32 moves into the first sliding groove 111 to drive the first sliding sleeve 42 to move, the first sliding sleeve 42 moves to compress the first spring 44, and at this time, the first spring 44 is in a compressed state; when the first ring 31 is separated from the stopper 32, the first sliding sleeve 42 drives the stopper 32 to return under the action of the first spring 44; through setting up first reset assembly 4, be convenient for drive stopper 32 resets.
The limiting component 5 comprises a limiting plate 51 sleeved and fixed at one end of the shell 11 close to the protective cover 14 and a plurality of horizontal rods 52 sequentially connected to the limiting plate 51 in a sliding manner along the axial direction of the limiting plate 51; each horizontal rod 52 penetrates through the limiting plate 51, a stop 53 is fixedly connected to one end of the horizontal rod 52 close to the protective cover 14, a second spring 54 is sleeved on the horizontal rod 52, and two ends of the second spring 54 are fixedly connected to the limiting plate 51 and the stop 53 respectively. The first ring 31 moves to drive the stop 53 to move, the stop 53 moves to compress the second spring 54, and the second spring 54 is in a compressed state; after the first ring 31 passes through the stopper 32, the stopper 53 makes the first ring 31 abut against the stopper 32 under the action of the second spring 54; by arranging the limiting component 5, on one hand, the protective cover 14 is convenient to fix, so that the labor intensity of operators can be reduced; on the other hand, the shock absorption of the protective cover 14 is facilitated, and the possibility of noise generation of the protective cover 14 can be reduced.
The drive assembly 6 comprises a first conduit 61 screwed to the outer side wall of the protective cover 14; a plurality of through holes 142 are formed in the outer side wall of the protective cover 14, the end surface area of each through hole 142 is larger than that of the first sliding groove 111, a push block 62 is connected in each through hole 142 in a sliding manner along the radial direction of the protective cover 14, the push blocks 62 are arranged in one-to-one correspondence with the limiting blocks 32, and one end, far away from the first pipeline 61, of each push block 62 can abut against one end, close to the first pipeline 61, of each limiting block 32; one end of the first pipeline 61 close to the shell 11 is provided with a third inclined surface 611, the third inclined surface 611 is annular, one end of each push block 62 close to the first pipeline 61 is provided with a fourth inclined surface 621, and each fourth inclined surface 621 can be matched with the third inclined surface 611; the protective cover 14 is internally provided with a second reset component 7 for driving the push block 62 to reset. When the protective cover 14 needs to be removed, the first pipeline 61 is rotated to enable the first pipeline 61 to move towards the direction close to the push block 62, at this time, the first pipeline 61 drives the push block 62 to move towards the direction close to the limit block 32 under the action of the third inclined surface 611 and the fourth inclined surface 621, so that the limit block 32 can be driven to move towards the first sliding groove 111, and then the protective cover 14 can be removed; by providing the drive assembly 6, removal of the protective cover 14 is facilitated.
The second resetting component 7 comprises a second guide rod 71 fixedly connected to the inner wall of the protective cover 14 and a second sliding sleeve 72 connected to the second guide rod 71 in a sliding manner along the radial direction of the protective cover 14; the second sliding sleeve 72 is fixedly connected to one side of the pushing block 62; the second guide rod 71 is sleeved with a third spring 73, one end of the third spring 73 is fixedly connected to one end of the second sliding sleeve 72 close to the first pipeline 61, and the other end is fixedly connected to the inner wall of the protective cover 14. The pushing block 62 moves towards the direction close to the limiting block 32 to drive the second sliding sleeve 72 to move, the second sliding sleeve 72 moves to stretch the third spring 73, and at the moment, the third spring 73 is in a stretched state; when the first pipe 61 is separated from the push block 62, the second sliding sleeve 72 drives the push block 62 to reset under the action of the third spring 73; through the arrangement of the second reset assembly 7, the push block 62 can be driven to reset conveniently.
As shown in fig. 3 and 4, the two ends of the bottom of the mounting seat 10 are respectively provided with the damping mechanisms 8, and each group of damping mechanisms 8 comprises two second pipelines 81; the second pipelines 81 are installed on a plate 9 of the device for installing the motor, the installation base 10 is detachably connected with the plate 9 through bolts, the second pipelines 81 can be connected with the plate 9 through threads or bolts, a second circular ring 82 is fixedly connected to the inner circumferential surface of each second pipeline 81, a plurality of spring steel sheets 83 are sequentially arranged on the inner circumferential surface of each second circular ring 82 along the circumferential direction of the second circular ring, and each spring steel sheet 83 is arranged in a downward inclination manner; an inserting rod 84 is connected to the mounting seat 10 corresponding to the second pipeline 81 in a threaded manner, the inserting rod 84 is inserted into an inner cavity of the second pipeline 81, one end, far away from the second circular ring 82, of each spring steel sheet 83 can abut against the outer side wall of the inserting rod 84, a limiting ring 85 is welded to the top of the second pipeline 81, a third pipeline 86 is connected to the inside of the limiting ring 85 in a vertical sliding manner, one end, close to the second circular ring 82, of the third pipeline 86 is fixedly connected with a pushing pipe 861, the cross sections of the pushing pipes 861 are sequentially increased in the vertical direction, a pressing pipe 862 is fixedly connected to the other end of the third pipeline 86, and the inserting rod 84 can be sequentially connected to the pressing pipe 862 and the third pipeline 86 in; the bottom of the mounting base 10 is mounted with a driving assembly 87 for driving the four pushing tubes 861 to move downward. Firstly, mounting the second pipeline 81 on a plate 9 of equipment for mounting a motor, then moving the motor to enable the insertion rods 84 to be correspondingly inserted into the second pipeline 81 one by one, wherein the insertion rods 84 drive the spring steel sheets 83 to move towards the direction close to the inner wall of the second pipeline 81 under the action of the gravity of the motor, and after the insertion rods 84 are inserted into the second pipeline 81, the spring steel sheets 83 are abutted against the insertion rods 84 under the action of the elasticity; the provision of the spring steel piece 83 facilitates damping of the inserted link 84, and reduces the possibility of vibration of the mount 10, thereby reducing the possibility of noise generation in the mount 10.
The transmission assembly 87 comprises two lead screws 871 rotatably connected to the bottom of the mounting base 10 through bearings and two connecting blocks 872 respectively screwed to the two lead screws 871; the two connecting blocks 872 are respectively arranged corresponding to the two groups of damping mechanisms 8, two ends of each connecting block 872 are respectively and fixedly connected with a third ring 873, each third ring 873 is positioned above the pushing pipe 861 and is sleeved on the inserted rod 84, and the third rings 873 are vertically connected to the inserted rods 84 in a sliding manner; the bottom of the mounting base 10 is rotatably connected with a horizontal shaft 874 through a bearing, one end of the horizontal shaft 874 is fixedly connected with a hand wheel 875, and the outer side walls of two ends of the horizontal shaft 874 are respectively provided with a worm 876; a worm gear 877 is fixedly connected to the top of each lead screw 871; the two worms 876 are respectively engaged with two worm wheels 877. When the motor is required to be separated from the plate 9, the hand wheel 875 is rotated to rotate the horizontal shaft 874, the horizontal shaft 874 rotates to drive the worm 876 to rotate, the worm 876 rotates to drive the worm gear 877 to rotate, the worm gear 877 rotates to drive the lead screw 871 to rotate, the lead screw 871 rotates to drive the connecting block 872 to move downwards, the connecting block 872 moves downwards to drive the third ring 873 to move downwards, the third ring 873 moves downwards to drive the pushing pipe 861 to move downwards, the pushing pipe 861 moves downwards to drive the spring steel sheet 83 to be separated from the insert rod 84, then the insert rod 84 is separated from the second pipeline 81 by rotating the insert rod 84, and then the motor is taken out; by providing the drive assembly 87, disassembly of the motor is facilitated.
The implementation principle of the embodiment is as follows: the central splitter plate 21 and the pair of side air deflectors 22 are made of sound absorbing material, so that noise generated in the protective cover 14 can be absorbed conveniently; the channel 23 with the V-shaped cross section is used for ventilation, so that the possibility of unsmooth air circulation caused by blockage can be reduced, and the possibility of noise caused by the unsmooth air circulation in the protective cover 14 can be reduced; in summary, the noise reduction device 2 is provided to facilitate reduction of noise generated by the fan blades 13, thereby reducing noise pollution.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (5)
1. The utility model provides a motor with device of making an uproar falls, includes mount pad (10), rigid coupling in shell (11) of mount pad (10), rotates and connects in output shaft (12) of shell (11), installs flabellum (13) and rigid coupling in shell (11) one end and cover and locate safety cover (14) of flabellum (13) in output shaft (12) one end, its characterized in that: the noise reduction device comprises a protective cover (14), a ventilation hole (141) and a noise reduction device (2), wherein the protective cover (14) is detachably connected to one end of a shell (11), the outer peripheral surface of one end, far away from the shell (11), of the protective cover (14) is provided with the ventilation hole (141), the inner peripheral surface of the protective cover (14) is provided with the noise reduction device (2), and the noise reduction device (2) comprises a central splitter plate (21) fixedly connected to the inner end surface of one end, far away from the shell (11), of the protective cover (14) and two; the central splitter plate (21) and the pair of side air guide plates (22) form a channel (23) with a V-shaped section; the central splitter plate (21) and the pair of side air guide plates (22) are both made of sound-deadening materials; the connecting mechanism (3) is used for installing the protective cover (14), and comprises a first circular ring (31) which is fixedly connected to the inner circumferential surface of one end, close to the shell (11), of the protective cover (14) and can be connected to one end, close to the protective cover (14), of the shell (11) in a sliding mode, a plurality of first sliding grooves (111) which are sequentially formed in the outer circumferential surface of the shell (11) along the circumferential direction of the shell (11), and a plurality of limiting blocks (32) which are connected to the first sliding grooves (111) in a sliding mode in the radial direction of the protective cover (14) in a one-to-one correspondence mode; each limiting block (32) can abut against one end, far away from the shell (11), of the first circular ring (31), and a first reset component (4) for driving the limiting blocks (32) to reset is installed in each first sliding groove (111); a first inclined plane (311) is arranged on the inner circumferential surface of the first circular ring (31), a second inclined plane (321) is arranged on one side, close to the first circular ring (31), of each limiting block (32), and the first inclined plane (311) is matched with the second inclined plane (321); a limiting assembly (5) used for limiting one end, close to the shell (11), of the first circular ring (31) is mounted at one end, close to the protective cover (14), of the shell (11), and a driving assembly (6) used for driving the limiting block (32) to move towards the first sliding groove (111) is mounted on the protective cover (14); the first reset component (4) comprises a second sliding groove (41) arranged on the first sliding groove (111), a first sliding sleeve (42) connected to the second sliding groove (41) in a sliding manner along the radial direction of the protective cover (14), and a first guide rod (43) fixedly connected to the second sliding groove (41); the first sliding sleeve (42) is connected to the first guide rod (43) in a sliding manner along the radial direction of the protective cover (14), and the first sliding sleeve (42) is fixedly connected to one side of the limiting block (32); a first spring (44) is sleeved on the first guide rod (43), one end of the first spring (44) is fixedly connected to one end, far away from the first circular ring (31), of the first sliding sleeve (42), and the other end of the first spring is fixedly connected to the inner wall of one end, far away from the first circular ring (31), of the second sliding chute (41); the limiting assembly (5) comprises a limiting plate (51) which is fixedly sleeved on one end of the shell (11) close to the protective cover (14) and a plurality of horizontal rods (52) which are sequentially connected with the limiting plate (51) in a sliding manner along the axial direction of the limiting plate (51); every limiting plate (51) setting is run through in horizon bar (52), the one end rigid coupling that horizon bar (52) are close to safety cover (14) has dog (53), second spring (54) have been cup jointed on horizon bar (52), the both ends rigid coupling respectively in limiting plate (51) and dog (53) of second spring (54).
2. An electric motor with noise reducing means according to claim 1, characterized in that: the driving assembly (6) comprises a first pipeline (61) which is in threaded connection with the outer side wall of the protective cover (14); the outer side wall of the protective cover (14) is provided with a plurality of through holes (142), the end surface area of each through hole (142) is larger than that of the first sliding groove (111), a push block (62) is connected in each through hole (142) in a sliding manner along the radial direction of the protective cover (14), the push blocks (62) and the limiting blocks (32) are arranged in a one-to-one correspondence manner, and one end, far away from the first pipeline (61), of each push block (62) can abut against one end, close to the first pipeline (61), of each limiting block (32); a third inclined surface (611) is arranged at one end, close to the shell (11), of the first pipeline (61), a fourth inclined surface (621) is arranged at one end, close to the first pipeline (61), of each push block (62), and each fourth inclined surface (621) can be matched with the third inclined surface (611); and a second reset component (7) for driving the push block (62) to reset is arranged in the protective cover (14).
3. A motor with a noise reducing device according to claim 2, wherein: the second resetting component (7) comprises a second guide rod (71) fixedly connected to the inner wall of the protective cover (14) and a second sliding sleeve (72) connected to the second guide rod (71) in a sliding manner along the radial direction of the protective cover (14); the second sliding sleeve (72) is fixedly connected to one side of the push block (62); and a third spring (73) is sleeved on the second guide rod (71), one end of the third spring (73) is fixedly connected to one end, close to the first pipeline (61), of the second sliding sleeve (72), and the other end of the third spring is fixedly connected to the inner wall of the protective cover (14).
4. An electric motor with noise reducing means according to claim 1, characterized in that: damping mechanisms (8) are respectively installed at two ends of the bottom of the installation seat (10), and each group of damping mechanisms (8) comprises two second pipelines (81); a second circular ring (82) is fixedly connected with the inner circumferential surface of each second pipeline (81), a plurality of spring steel sheets (83) are sequentially arranged on the inner circumferential surface of each second circular ring (82) along the circumferential direction of the second circular ring, and each spring steel sheet (83) is arranged in a downward inclined mode; an inserting rod (84) is connected to the mounting seat (10) in a threaded mode corresponding to the second pipeline (81), the inserting rod (84) is inserted into an inner cavity of the second pipeline (81), one end, far away from the second circular ring (82), of each spring steel sheet (83) can abut against the outer side wall of the inserting rod (84), the top of the second pipeline (81) is fixedly connected with a limiting ring (85), a third pipeline (86) is connected to the limiting ring (85) in a sliding mode in the vertical direction, one end, close to the second circular ring (82), of the third pipeline (86) is fixedly connected with a pushing pipe (861), the cross section of the pushing pipe (861) is sequentially increased in the vertical direction, the other end of the third pipeline (86) is fixedly connected with a pressing pipe (862), and the inserting rod (84) can be sequentially connected to the pressing pipe (862) and the third pipeline (86) in a sliding mode in the vertical direction; and a transmission assembly (87) for driving the four pushing pipes (861) to move downwards is mounted at the bottom of the mounting seat (10).
5. An electric motor with noise reducing means according to claim 4, characterized in that: the transmission assembly (87) comprises two lead screws (871) rotatably connected to the bottom of the mounting base (10) and two connecting blocks (872) respectively connected to the two lead screws (871) in a threaded manner; the two connecting blocks (872) are respectively arranged corresponding to the two groups of damping mechanisms (8), two ends of each connecting block (872) are respectively fixedly connected with a third ring (873), each third ring (873) is positioned above the pushing pipe (861) and sleeved on the inserted rod (84), and the third rings (873) are connected to the inserted rods (84) in a sliding mode along the vertical direction; a horizontal shaft (874) is rotatably connected to the bottom of the mounting base (10), a hand wheel (875) is fixedly connected to one end of the horizontal shaft (874), and the outer side walls of two ends of the horizontal shaft (874) are respectively provided with a worm (876); a worm wheel (877) is fixedly connected to the top of each lead screw (871); the two worms (876) are respectively meshed with two worm wheels (877).
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| CN202010333425.XA CN111682686B (en) | 2020-04-24 | 2020-04-24 | Motor with noise reduction device |
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| CN202010333425.XA CN111682686B (en) | 2020-04-24 | 2020-04-24 | Motor with noise reduction device |
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| CN111682686B true CN111682686B (en) | 2021-06-04 |
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| DE3641096A1 (en) * | 1986-01-10 | 1987-07-16 | Siemens Ag | Electrical machine having a pot-shaped fan shroud (fan cowl) which covers the outer fan of said machine |
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| CN209561931U (en) * | 2019-03-25 | 2019-10-29 | 新奥(河南)能源销售有限公司 | Formula ammeter box easy to disassemble |
| CN209571888U (en) * | 2018-12-28 | 2019-11-01 | 浙江双一仪表电气有限公司 | A kind of threephase asynchronous fan guard |
| CN209748299U (en) * | 2019-01-22 | 2019-12-06 | 江苏拉贝智能装备有限公司 | motor with cooling device convenient to disassemble |
| CN210093005U (en) * | 2019-05-17 | 2020-02-18 | 高邮市申发电机制造有限公司 | Permanent magnet motor for battery car |
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| DE3641096A1 (en) * | 1986-01-10 | 1987-07-16 | Siemens Ag | Electrical machine having a pot-shaped fan shroud (fan cowl) which covers the outer fan of said machine |
| CN207829250U (en) * | 2018-02-01 | 2018-09-07 | 深圳市库博建筑设计事务所有限公司 | A kind of installing structure of stone curtain wall |
| CN208754139U (en) * | 2018-10-17 | 2019-04-16 | 广州市创越机电设备有限公司 | A kind of low-noise energy-saving permanent magnet synchronous motor |
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Denomination of invention: A motor with noise reduction device Effective date of registration: 20220913 Granted publication date: 20210604 Pledgee: Industrial and Commercial Bank of China Co.,Ltd. Taizhou Luqiao Sub branch Pledgor: Zhejiang Qizhi Electric Co.,Ltd. Registration number: Y2022330002212 |