CN109763988A - A kind of rotary drive mechanism and household electrical appliance - Google Patents
A kind of rotary drive mechanism and household electrical appliance Download PDFInfo
- Publication number
- CN109763988A CN109763988A CN201910184718.3A CN201910184718A CN109763988A CN 109763988 A CN109763988 A CN 109763988A CN 201910184718 A CN201910184718 A CN 201910184718A CN 109763988 A CN109763988 A CN 109763988A
- Authority
- CN
- China
- Prior art keywords
- bearing
- vertical shaft
- outer ring
- rotary drive
- inner ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 46
- 238000009434 installation Methods 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920002292 Nylon 6 Polymers 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 206010016322 Feeling abnormal Diseases 0.000 description 1
- 241000883990 Flabellum Species 0.000 description 1
- 206010017389 Frotteurism Diseases 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to field of home appliance technology more particularly to rotary drive mechanisms and household electrical appliance.Rotary drive mechanism disclosed by the invention includes rotary components, vertical shaft, first bearing and second bearing, rotary components can be rotated by itself driving relative to 360 degree of vertical shaft, fixation is set on vertical shaft the inner ring and second bearing of first bearing respectively, and rotary components are fixedly connected with the outer ring of first bearing and second bearing outer ring.The inner ring of first bearing and the inner ring of second bearing are electrically connected with the two poles of the earth of power supply respectively, the outer ring and second bearing outer ring of first bearing are electrically connected with electrical component respectively, realize power supply to the power supply with electrical component, while rotary components energy opposite vertical shaft 360 degree rotation, guarantee electrical component energization stability.Household electrical appliance proposed by the present invention can be improved with electrical component energization stability.
Description
Technical field
The present invention relates to field of home appliance technology more particularly to a kind of rotary drive mechanisms and household electrical appliance.
Background technique
In order to realize the 360 degree rotation of electric fan, a kind of existing electric fan include installation axle, pedestal, upright bar, fan head assembly with
And rotary components.Wherein, installation axle is fixed on the base, and the top of upright bar is fixedly connected with fan head assembly, and rotary components are arranged
In the periphery of upright bar, fan head assembly can be driven to carry out 360 degree of rotations around the central axis of upright bar.Be provided in installation axle with outside
Several copper rings that portion's power supply is connected, are provided with that several butterfly pieces, butterfly piece are in electrical contact correspondingly with copper ring in upright bar
Corresponding copper ring.When fanning head assembly 360 degree rotation, butterfly piece slides against always with copper ring, and external power supply pair may be implemented
With the lasting energization of electrical component, and it can guarantee the case where electric fan is not in conducting wire winding.But butterfly piece is located always with copper ring
In Frotteurism, it is easy to appear abrasion, leads to service life reduction, so that there is no power with electrical component or the unstable feelings that are powered
Condition.
Based on this, it would be highly desirable to invent a kind of electric fan, while realizing fan head assembly 360 degree rotation, improve with electrical component
Energization stability.
Summary of the invention
It is an object of the invention to propose a kind of rotary drive mechanism, while realizing shell 360 degree rotation, guarantee
With electrical component energization stability.
Another object of the present invention is to propose a kind of household electrical appliance, while realizing fan head assembly 360 degree rotation, is mentioned
Height electrical component energization stability.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of rotary drive mechanism, including rotary components and vertical shaft, the rotary components can be opposite by itself driving
The vertical shaft rotating, the rotary drive mechanism further include spaced first bearing and second bearing, the first bearing
With the second bearing with the vertical shaft and the rotary components opposing insulation, the inner ring of the first bearing and described second
Fixation is set on the vertical shaft inner ring of bearing respectively, in the inner ring of the inner ring of the first bearing and the second bearing
One is electrically connected with the anode of power supply, another is electrically connected with the cathode of power supply；The outer ring of the first bearing and described second
The outer ring of bearing is electrically connected with electrical component respectively；The outer ring and/or described second of the rotary components and the first bearing
The outer ring of bearing is fixedly connected.
Optionally, the rotary components include:
Shell is fixedly connected with the outer ring of the outer ring of the first bearing and/or the second bearing；
Driving mechanism, setting is on the housing；
First gear, the driving mechanism drive the first gear rotation；
Second gear is engaged in the side of the first gear, and is coaxially fixed on the vertical shaft.
Optionally, the shell includes:
Upper cover and support plate, the upper cover cover on the top of the support plate to form installation cavity, the first gear
It is arranged in the installation cavity with the second gear；Mounting hole is offered in the support plate, for installing the first axle
It holds and the second bearing, the inner wall of the outer ring and the mounting hole of the outer ring of the first bearing and/or the second bearing
It is fixedly connected；
Lower cover is located at the lower section of the support plate, and closing sky is collectively formed with the upper cover and the support plate
Between, to seal the first bearing and the second bearing.
Optionally, insulating barrier is provided between the first bearing and the second bearing, the insulating barrier is arranged
In the periphery of the vertical shaft.
Optionally, the inside of the first bearing and the second bearing is respectively arranged with contact grease.
Optionally, the vertical shaft includes main body, and the periphery of the main body is convexly equipped with multiple circumferentially spaced fixations
The inner ring of protrusion, the inner ring of the first bearing and the second bearing is sleeved and fixed respectively in the periphery of the fixed lobe.
Optionally, the rotary drive mechanism further include:
Two inner shrapnels, are fixed on the vertical shaft, and the inner shrapnel includes the first abutment end, inner shrapnel
The first abutment end elasticity is connected to the inner ring of the first bearing, the first abutment end bullet of another inner shrapnel
Property is connected to the inner ring of the second bearing.
Optionally, the rotary drive mechanism further include:
Two outer elastic slices, fixed the outer elastic slice includes the second abutment end on the housing, outer elastic slice
The second abutment end elasticity is connected to the outer ring of the first bearing, the second abutment end bullet of another outer elastic slice
Property is connected to the outer ring of the second bearing.
Optionally, the vertical shaft and the shell are insulating part.
A kind of household electrical appliance, the household electrical appliance include rotary drive mechanism as described above.
Optionally, the household electrical appliance are electric fans, and the electric fan further includes fan head assembly and pedestal, the rotary components with
The fan head assembly is connected, and the vertical shaft is fixedly connected with the base.
Optionally, the electric fan further include:
Back cover is fixed at the rear portion of the fan head assembly, and the rotary components are arranged in the back cover, and with institute
Back cover is stated to be connected.
The invention has the benefit that
Rotary drive mechanism provided by the invention distinguishes fixing sleeve by the inner ring of first bearing and the inner ring of second bearing
It is located on vertical shaft, rotary components are fixedly connected with the outer ring of first bearing and/or second bearing outer ring, and rotary components pass through itself
Driving can be rotated relative to 360 degree of vertical shaft.And the anode of one in the inner ring of first bearing and the inner ring of second bearing and power supply
Electrical connection, another be electrically connected with the cathode of power supply, the outer ring and second bearing outer ring of first bearing respectively with it is electric with electrical component
Connection can realize power supply to the power supply with electrical component in power supply and with power circuit is formed between electrical component.Due to first axle
Hold that the abrasion rotated with the outer ring of second bearing relative to respective inner ring is small, in rotary components with respect to vertical shaft 360 degree rotation
Meanwhile guarantee electrical component energization stability.
Electric fan provided by the invention, which passes through, applies rotary drive mechanism as mentioned above, is realizing 360 degree of head assembly rotations of fan
While turning, guarantee the energization stability with electrical component of electric fan.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, institute in being described below to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also implement according to the present invention
The content of example and these attached drawings obtain other attached drawings.
Fig. 1 is that the present invention provides the structural schematic diagram of electric fan；
Fig. 2 is the structural schematic diagram of rotary components and vertical shaft provided by the invention；
Fig. 3 is the explosive view of Fig. 2；
Fig. 4 is the cross-sectional view of Fig. 2；
Fig. 5 be power supply provided by the invention, circuit board, first bearing and second bearing circuit diagram；
Fig. 6 is the installation diagram of vertical shaft and inner shrapnel provided by the invention；
Fig. 7 is the explosive view of Fig. 6；
Fig. 8 is the partial structure diagram of electric fan provided by the invention；
Fig. 9 is the top view of Fig. 8.
It is marked in figure as follows:
200- power supply；
1- fans head assembly；2- rotary components；3- vertical shaft；4- first bearing；5- second bearing；6- insulating barrier；7- back cover；
8- inner shrapnel；The outer elastic slice of 9-；10- circuit board；11- pedestal；12- bracket vertical shaft；
21- shell；22- driving mechanism；23- first gear；24- second gear；31- main body；32- fixed lobe；33- connects
Line chamber；34- fixed block；35- locating slot；The first inner ring of 41-；The first outer ring 42-；The first ball of 43-；The second inner ring of 51-；52-
Second outer ring；The second ball of 53-；81- terminals；The first abutment end of 82-；83- fixation hole；84- wiring hole；85- positioning protrusion；
The second abutment end of 91-；
211- upper cover；212- support plate；213- lower cover；214- installation cavity；
2121- mounting hole.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the present embodiment, with reference to the accompanying drawing and pass through tool
Body embodiment further illustrates the technical solution of the present embodiment.
Many household electrical appliance need 360 degree rotation in use, to realize the user to all directions and position
The service such as blowing or heating, such household electrical appliance include electric fan, electric heater, humidifier etc..Rotation driving provided in this embodiment
Mechanism can be used for such many household electrical appliances for having rotation demand, mainly be specifically described by taking electric fan as an example below.Such as Fig. 1 institute
Show, electric fan provided in this embodiment includes fan head assembly 1, back cover 7, rotary drive mechanism, vertical shaft 3, pedestal 11 and bracket vertical shaft
12, wherein fan head assembly 1 includes the flabellum in mesh enclosure and mesh enclosure, and the rear portion of fan head assembly 1 is provided with back cover 7, back cover 7 and rotation
Turn driving mechanism to be connected, rotary drive mechanism includes vertical shaft 3, and vertical shaft 3 is fixedly connected with bracket vertical shaft 12, and bracket vertical shaft 12 is solid
Fixed pedestal 11 is used to support entire electric fan on the pedestal 11, puts electric fan vertical more steady.It can be with by rotary drive mechanism
It realizes 360 degree unlimited rotaries of the fan head assembly 1 relative to bracket vertical shaft 12, achievees the effect that electric fan dries to all directions.
In conjunction with FIG. 1 to FIG. 5, the rotary components 2 of rotary drive mechanism provided in this embodiment are arranged in back cover 7 simultaneously directly
Or be connected indirectly with back cover 7, by itself driving of rotary components 2, back cover 7 and fan head assembly 1 can the opposite progress of vertical shaft 3
360 degree of rotation.
Mill is easy to appear in order to solve rotary components rotary components caused by 360 degree of upright bar rotations in the prior art
The problem of damage and rotary components service life low problem avoid occurring no power with electrical component or the unstable situation that is powered.
Rotary drive mechanism provided in this embodiment further includes spaced first bearing 4 and second bearing 5, first bearing 4 and
Two bearings 5 are with 2 opposing insulation of vertical shaft 3 and rotary components, in the first inner ring 41 of first bearing 4 and the second of second bearing 5
Fixation is set on vertical shaft 3 circle 51 respectively, outside the first outer ring 42 of rotary components 2 and first bearing 4 and the second of second bearing 5
Circle 52 is fixedly connected, and rotary components 2 can carry out 360 degree of rotations by itself driving relative to vertical shaft 3.First inner ring 41 and power supply
200 cathode electrical connection, the positive of the second inner ring 51 and power supply 200 are electrically connected, can be in power supply 200 and with shape between electrical component
At power circuit, 200 pairs of the power supply power supplies with electrical component are realized.The outer ring of each bearing is small relative to the abrasion that inner ring rotates,
While rotary components 2 carry out 360 degree rotation with respect to vertical shaft 3, guarantee electrical component energization stability.In other embodiments,
Rotary components 2 can also be arranged to only be fixedly connected with the first outer ring 42, rotary components 2 can also be arranged to only with second
Outer ring 52 is fixedly connected.In other embodiments, first bearing inner ring 41 can also be electrically connected with the anode of power supply 200, the
Two inner rings 51 are electrically connected with the cathode of power supply 200, can also be in power supply 200 and with forming power circuit between electrical component.
Specifically, the vertical shaft 3 and shell 21 in the present embodiment are made of insulating material, on the one hand, can be to avoid logical
Short circuit occurs for electrical circuit, on the other hand, even if will not get an electric shock even if operator accidentally touches vertical shaft 3 or shell 21
Phenomenon guarantees the personal safety of operator.It in other embodiments, can also be between first bearing 4 and vertical shaft 3, first axle
It holds between 4 and shell 21, be provided with insulating materials between second bearing 5 and vertical shaft 3, between second bearing 5 and vertical shaft 3, make
One bearing 4, with 21 insulation set of vertical shaft 3 and shell, also can be avoided power circuit and short circuit occur with second bearing 5.
Specifically, as shown in Figure 3 and Figure 4, rotary components 2 in the present embodiment include shell 21, driving mechanism 22, the
One gear 23 and second gear 24, wherein shell 21 is directly or indirectly fixedly connected with back cover 7, first gear 22 and the second tooth
Wheel 23 is arranged in the cavity of shell 21, and the rotating output shaft of driving mechanism 22 protrudes into the installation cavity 214 of shell 21, and with
First gear 23 is coaxially fixed, and second gear 24 is coaxially fixed on the periphery of vertical shaft 3, and second gear 24 is engaged in first
The side of gear 23.The drive of rotary components 2 fan head assembly 1 is relative to the working principle that vertical shaft 3 rotates in the present embodiment: driving machine
The rotating output shaft rotation of structure 22 drives 23 rotation of first gear, since second gear 24 and insulation shaft 3 are fixed, thus
Realize first gear 23 around the revolution of second gear 24.Since shell 21 is fixed in driving mechanism 22, and shell 21 and vertical shaft 3
It is rotatablely connected by first bearing 4 and second bearing 5, shell 21 can be rotated around vertical shaft 3 together with first gear 23, with shell
21 7 energy band of the back cover fan head assemblies 1 being fixedly connected carry out 360 degree of rotation around vertical shaft 3.Wherein, the driving machine in the present embodiment
Structure is rotating electric machine or rotary cylinder.
Furthermore, it is possible to which second gear 24 to be coaxially fixed on to the top of vertical shaft 3, vertical shaft 3 few as far as possible can be allowed to be arranged outside
In the cavity of shell 21, the thickness of shell 21 can be effectively reduced, reduce the overall dimensions of back cover 7, so that the 360 of fan head assembly 1
Degree rotation is more convenient.In other embodiments, one in the first outer ring 42 and the second outer ring 52 can also be consolidated with shell 21
Fixed connection, also can be realized the effect that shell 21 is rotated relative to vertical shaft 3.Furthermore, it is possible to by the main part of driving mechanism 22
It is fixed on the outside of shell 21, shell 21 can reduce the volume of shell 21, reduce life without coating driving mechanism 22
Produce cost required for shell 21.
The shell 21 in the present embodiment is introduced below with reference to Fig. 3 and Fig. 4:
Shell 21 provided in this embodiment includes upper cover 211, support plate 212 and lower cover 213, wherein 211 housing of upper cover exists
To form installation cavity 214, first gear 23 and second gear 24 are mounted in installation cavity 214 for the top of support plate 212, are avoided outer
The dust on boundary is fallen between first gear 23 and second gear 24, guarantees that the preferably engagement of first gear 23 and second gear 24 passes
It is dynamic.Moreover it is possible to which the smaller components of such as screw is avoided to enter between first gear 23 and second gear 24, prevent spring tooth existing
The appearance of elephant guarantees the transmission of first gear 23 and the good safety of second gear 24.
In addition, offering mounting hole 2121 in support plate 212, first bearing 4 and second bearing 5 are installed on mounting hole 2121
In, the periphery of the periphery of the first outer ring 41 and the second outer ring 52 is interference fitted with the inner wall of mounting hole 2121, to realize outer
The fixation with the first outer ring 42 and the second outer ring 52 respectively of shell 21.In order to facilitate the installation of first bearing 4 and second bearing 5,
The bottom surface of support plate 212 is provided with the opening being connected with mounting hole 2121, and first bearing 4 and second bearing 5 can be opened from this
Mouth is put into mounting hole 2121.It is also fixedly connected with lower cover 213 in the lower section of support plate 212, to block opening for support plate 212
Mouthful, the space for sealing first bearing 4 and second bearing 5 is collectively formed in lower cover 213 and support plate 212, avoids dust or small
Components enter in first bearing 4 or second bearing 5, guarantee the use of first bearing 4 and 5 long period of second bearing.
In addition, the generation of leaky can be prevented within the enclosed space by sealing first bearing 4 and second bearing 5, guarantee behaviour
Author using safe.In addition, in order to avoid situation of striking sparks occurs during conduction for first bearing 4 and second bearing 5,
Contact grease is coated between the inner ring and outer ring of each bearing and on ball.
The generation for leading to short circuit phenomenon in order to further avoid the electrical connection of both first bearing 4 and second bearing 5, such as schemes
Shown in 4, insulating barrier 6 is provided between first bearing 4 and second bearing 5, insulating barrier 6 is set in the periphery of vertical shaft 3, i.e.,
Just first bearing 4 glides under the effect of gravity, can also effectively prevent the generation of short circuit.Specifically, exhausted in the present embodiment
Edge partition 6 can be by the insulation of such as PA6 (polyamide 6) etc. and fire-retardant material is made.
It is directed to first bearing 4 and second bearing 5 and the electrical connection with electrical component, specifically, as shown in figure 5,
First outer ring 42 and the second outer ring 52 are electrically connected with circuit board 10 respectively, can be formed between power supply 200 and circuit board 10 logical
Electrical circuit.Power supply may be implemented to first with electrical component and the with electrical component etc. in the electrical component of circuit board 10 external first, second
Two use the power supply of electrical component.Specifically, first in the present embodiment can be the fan blade rotating made in fan head assembly 1 with electrical component
Dynamic motor, second can be the control circuit etc. for adjusting wind speed with electrical component.In other embodiments, with the quantity of electrical component
Two groups are not limited to, different settings, certainly, circuit can be carried out according to different type of machines with three groups, four groups or more
Plate 10 can also be electrically connected with driving mechanism 22.
In conjunction with Fig. 6 and Fig. 7, rotary drive mechanism is additionally provided with inner shrapnel 8.Inner shrapnel 8 includes positioning protrusion 85, vertical shaft 3
Including main body 31, the periphery of main body 31 offers locating slot 35 that is opening up and extending in the axial direction, by positioning protrusion 85
After being directed at locating slot 35, inner shrapnel 8 is pressed down on, so that positioning protrusion 85 is connected in locating slot 35, inner shrapnel 8 is limited and stands
Relative motion occurs for axis 3.
In order to guarantee the energization stability of power supply 200 Yu first bearing 4 and second bearing 5, the convex of each inner shrapnel 8
The 85 vertical curved terminals 81 being extended with for connecting the extraction electric wire of power supply 200 in one end are played, the two sides of positioning protrusion 85 extend
There are two the first abutment ends 82 for setting.Wherein, the terminals 81 of an inner shrapnel 8 are electrically connected with the anode of power supply 200, the interior bullet
First abutment end 82 of piece 8 is abutted with 51 elasticity of the second inner ring, the terminals 81 of another inner shrapnel 8 and the cathode of power supply 200
First abutment end 82 of electrical connection, the inner shrapnel 8 is abutted with 41 elasticity of the first inner ring.When the outer ring of bearing is rotated relative to inner ring
When, opposite slide will not occur for each inner shrapnel 8 and the inner ring of corresponding bearing, it is ensured that with power supply 200 respectively with the
The energization stability of one bearing 4 and second bearing 5.It is connect with inner shrapnel 8 by electric wire in order to facilitate power supply 200, terminals 81
Upper to offer wiring hole 84 respectively, electric wire can pass through wiring hole 84, and be fixed on inner shrapnel 8.
In addition, offering wire connection cavity 33 in main body 31 in the axial direction, the terminals 81 of inner shrapnel 8 can be contained in wiring
In chamber 33.It is protected in a first aspect, line end 81 can be docked, prevents colliding with for other components docking line segment 81, guarantee electricity
The normally of stream；Second aspect can efficiently use the inner space of rotary drive mechanism, so that structure is more compact；The
Three aspects, reduce the weight of main body 31, convenient for fanning the rotation of head assembly 1.
In addition, the end of main body 31 is convexly equipped with fixed block 34, fixation hole 83 is offered on terminals 81, fixed block 34 is clamped
In fixation hole 83, inner shrapnel 8 can be further avoided and vertical shaft 3 mutually slides.In other embodiments, it can also be in wiring
It is provided with fixed block 34 on end 81, fixation hole 83 is offered in vertical shaft 3, also can be realized above-mentioned technical effect.Due to inner shrapnel
8, the first inner ring 41 and the second inner ring 51 are fixed with 3 phase of vertical shaft respectively, inner shrapnel 8 and the first inner ring 41 or the equal nothing of the second inner ring 51
Opposite sliding, inner shrapnel 8, without abrasion, are greatly improved in inner shrapnel 8, first with corresponding first inner ring 41 or the second inner ring 51
The service life of circle 41 and the second inner ring 51.
Fig. 8 show structure be on the basis of Fig. 6 display structure, then on vertical shaft 3 install first bearing 4, the second axis
Structure after holding 5 and insulating barrier 6, as shown in figure 8, be additionally provided on the periphery of main body 31 it is multiple extend in the axial direction consolidate
Fixed protrusion 32, the inner ring of first bearing 4, second bearing 5 and insulating barrier 6 is respectively engaged on fixed lobe 32, guarantees three
Inner ring and vertical shaft 3 be tightly fastened.
In order to realize with the electrical component energization stability with the first outer ring 42 and the second outer ring 52 respectively, rotary drive mechanism
It is additionally provided with outer elastic slice 9.In conjunction with Fig. 8 and Fig. 9, outer elastic slice 9 is fixed on shell 21, and outer elastic slice 9 includes the second abutment end 91,
In an outer elastic slice 9 the second abutment end 91 be elasticity be connected on the first outer ring 42, the second abutment end of another outer elastic slice 9
91 elasticity are connected on the second outer ring 52, when the outer ring of bearing is rotated relative to inner ring, each outer elastic slice 9 and corresponding bearing
Outer ring opposite slide will not occur, it is ensured that stablized respectively with the energization of first bearing 4 and second bearing 5 with electrical component
Property.
Note that the above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The industry
Technical staff it should be appreciated that the present invention is not limited to the embodiments described above, described in above embodiment and specification
Merely illustrate the principles of the invention, without departing from the spirit and scope of the present invention, the present invention also have various change and
It improves, these changes and improvements all fall within the protetion scope of the claimed invention, and claimed range of the invention is by appended
Claims and its equivalent thereof.
Claims (12)
1. a kind of rotary drive mechanism, including rotary components (2) and vertical shaft (3), the rotary components (2) are driven by itself
It can be rotated relative to the vertical shaft (3), which is characterized in that the rotary drive mechanism further includes spaced first bearing (4)
With second bearing (5), the first bearing (4) and the second bearing (5) are the same as the vertical shaft (3) and the rotary components
(2) opposing insulation, the inner ring of the first bearing (4) and the inner ring of the second bearing (5) are fixed be set in described stand respectively
On axis (3), one in the inner ring of the first bearing (4) and the inner ring of the second bearing (5) with the anode of power supply (200)
Electrical connection, another is electrically connected with the cathode of power supply (200)；The outer ring of the first bearing (4) and the second bearing (5)
Outer ring is electrically connected with electrical component respectively；The outer ring and/or described second of the rotary components (2) and the first bearing (4)
The outer ring of bearing (5) is fixedly connected.
2. rotary drive mechanism according to claim 1, which is characterized in that the rotary components (2) include:
Shell (21) is fixedly connected with the outer ring of the outer ring of the first bearing (4) and/or the second bearing (5)；
Driving mechanism (22) is arranged on the shell (21)；
First gear (23), the driving mechanism (22) drive first gear (23) rotation；
Second gear (24) is engaged in the side of the first gear (23), and is coaxially fixed on the vertical shaft (3).
3. rotary drive mechanism according to claim 2, which is characterized in that the shell (21) includes:
Upper cover (211) and support plate (212), upper cover (211) housing is in the top of the support plate (212) to form installation
Chamber (214), the first gear (23) and the second gear (24) are arranged in the installation cavity (214)；The support plate
(212) mounting hole (2121) are offered on, for installing the first bearing (4) and the second bearing (5), the first axle
The outer ring of the outer ring and/or the second bearing (5) of holding (4) is fixedly connected with the inner wall of the mounting hole (2121)；
Lower cover (213), is located at the lower section of the support plate (212), and with the upper cover (211) and the support plate
(212) enclosure space is collectively formed, to seal the first bearing (4) and the second bearing (5).
4. described in any item rotary drive mechanisms according to claim 1~3, which is characterized in that the first bearing (4) and institute
It states and is provided between second bearing (5) insulating barrier (6), the insulating barrier (6) is set in the periphery of the vertical shaft (3).
5. described in any item rotary drive mechanisms according to claim 1~3, which is characterized in that the first bearing (4) and institute
The inside for stating second bearing (5) is respectively arranged with contact grease.
6. described in any item rotary drive mechanisms according to claim 1~3, which is characterized in that the vertical shaft (3) includes main body
(31), the periphery of the main body (31) is convexly equipped with multiple circumferentially spaced fixed lobes (32), the first bearing (4)
Inner ring and the inner ring of the second bearing (5) be sleeved and fixed respectively in the periphery of the fixed lobe (32).
7. described in any item rotary drive mechanisms according to claim 1~3, which is characterized in that the rotary drive mechanism is also
Include:
Two inner shrapnels (8), are fixed on the vertical shaft (3), and the inner shrapnel (8) includes the first abutment end (82), an institute
The first abutment end (82) elasticity for stating inner shrapnel (8) is connected to the inner ring of the first bearing (4), another described interior bullet
The first abutment end (82) elasticity of piece (8) is connected to the inner ring of the second bearing (5).
8. according to the described in any item rotary drive mechanisms of claim 2~3, which is characterized in that the rotary drive mechanism is also
Include:
Two outer elastic slices (9), are fixed on the shell (21), and the outer elastic slice (9) includes the second abutment end (91), an institute
The second abutment end (91) elasticity for stating outer elastic slice (9) is connected to the outer ring of the first bearing (4), another described outer bullet
The second abutment end (91) elasticity of piece (9) is connected to the outer ring of the second bearing (5).
9. according to the described in any item rotary drive mechanisms of claim 2~3, which is characterized in that the vertical shaft (3) and described outer
Shell (21) is insulating part.
10. a kind of household electrical appliance, which is characterized in that the household electrical appliance include that rotation as described in any one of claims 1 to 9 is driven
Motivation structure.
11. household electrical appliance according to claim 10, which is characterized in that the household electrical appliance are electric fans, and the electric fan is also
It is connected including fan head assembly (1) and pedestal (11), the rotary components (2) with the fan head assembly (1), the vertical shaft (3)
It is fixedly connected with the pedestal (11).
12. household electrical appliance according to claim 11, which is characterized in that the electric fan further include:
Back cover (7), is fixed at the rear portion of fan head assembly (1), and the rotary components (2) are arranged in the back cover (7)
It is interior, and be connected with the back cover (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184718.3A CN109763988A (en) | 2019-03-12 | 2019-03-12 | A kind of rotary drive mechanism and household electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184718.3A CN109763988A (en) | 2019-03-12 | 2019-03-12 | A kind of rotary drive mechanism and household electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109763988A true CN109763988A (en) | 2019-05-17 |
Family
ID=66458251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910184718.3A Pending CN109763988A (en) | 2019-03-12 | 2019-03-12 | A kind of rotary drive mechanism and household electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109763988A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140753A (en) * | 2015-06-28 | 2015-12-09 | 中航光电科技股份有限公司 | Rotary conducting structure |
| CN105990964A (en) * | 2015-01-30 | 2016-10-05 | 刘荣坤 | Bearing collector ring |
| CN205654577U (en) * | 2016-04-20 | 2016-10-19 | 广东美的环境电器制造有限公司 | Domestic appliance's oscillating mechanism and domestic appliance |
| CN109779935A (en) * | 2019-03-12 | 2019-05-21 | 莱克电气股份有限公司 | A kind of electric fan |
| CN110030204A (en) * | 2019-04-25 | 2019-07-19 | 莱克电气股份有限公司 | A kind of electric fan |
| CN209638064U (en) * | 2019-03-12 | 2019-11-15 | 莱克电气股份有限公司 | A kind of rotary drive mechanism and household electrical appliance |
| CN209800331U (en) * | 2019-04-25 | 2019-12-17 | 莱克电气股份有限公司 | electric fan |
-
2019
- 2019-03-12 CN CN201910184718.3A patent/CN109763988A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105990964A (en) * | 2015-01-30 | 2016-10-05 | 刘荣坤 | Bearing collector ring |
| CN105140753A (en) * | 2015-06-28 | 2015-12-09 | 中航光电科技股份有限公司 | Rotary conducting structure |
| CN205654577U (en) * | 2016-04-20 | 2016-10-19 | 广东美的环境电器制造有限公司 | Domestic appliance's oscillating mechanism and domestic appliance |
| CN109779935A (en) * | 2019-03-12 | 2019-05-21 | 莱克电气股份有限公司 | A kind of electric fan |
| CN209638064U (en) * | 2019-03-12 | 2019-11-15 | 莱克电气股份有限公司 | A kind of rotary drive mechanism and household electrical appliance |
| CN110030204A (en) * | 2019-04-25 | 2019-07-19 | 莱克电气股份有限公司 | A kind of electric fan |
| CN209800331U (en) * | 2019-04-25 | 2019-12-17 | 莱克电气股份有限公司 | electric fan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209638064U (en) | A kind of rotary drive mechanism and household electrical appliance | |
| CN109763988A (en) | A kind of rotary drive mechanism and household electrical appliance | |
| CN106252134B (en) | A kind of static sealing rotary switch with function of shielding | |
| CN108869529A (en) | A kind of bidirectional balanced device | |
| CN209800331U (en) | electric fan | |
| CN209781252U (en) | electric fan | |
| CN103148539A (en) | Floor type air conditioner indoor unit and floor type air conditioner | |
| CN201860197U (en) | Bearingless motor for sewing device | |
| CN110195714A (en) | Oscillating mechanism and fan with it | |
| CN203310005U (en) | Floor stand air conditioner indoor unit and floor stand air conditioner | |
| CN215580762U (en) | Heat dissipation enhancement mode motor coil | |
| CN207218315U (en) | A kind of field charger baby | |
| CN208424162U (en) | A kind of novel air barrel motor | |
| CN107237882A (en) | Drive device and the electric equipment using the drive device | |
| CN208623445U (en) | A kind of machine shaft support construction | |
| CN208804028U (en) | Air circulation fan | |
| CN110030204A (en) | A kind of electric fan | |
| CN207994879U (en) | Motor and food cooking machine | |
| CN207994743U (en) | Stator core, field frame assembly, motor and food cooking machine | |
| CN220646266U (en) | Machine head and fan | |
| CN211183059U (en) | Electric power cabinet with dampproofing function | |
| CN201910695U (en) | Blower motor, blower and oil-fume extractor | |
| CN217713033U (en) | Tower fan capable of preventing electric wire from being worn | |
| CN211266810U (en) | DC stepless speed regulator | |
| CN208433853U (en) | A kind of monophase machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |