CN108679680A - Open-close type kitchen ventilator actuator and open-close type kitchen ventilator with it - Google Patents
Open-close type kitchen ventilator actuator and open-close type kitchen ventilator with it Download PDFInfo
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- CN108679680A CN108679680A CN201811015608.6A CN201811015608A CN108679680A CN 108679680 A CN108679680 A CN 108679680A CN 201811015608 A CN201811015608 A CN 201811015608A CN 108679680 A CN108679680 A CN 108679680A
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- Prior art keywords
- open
- kitchen ventilator
- close type
- type kitchen
- motor
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- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims description 38
- 229910052751 metal Inorganic materials 0.000 claims description 38
- 238000005192 partition Methods 0.000 claims description 35
- 239000004033 plastic Substances 0.000 claims description 29
- 229920003023 plastic Polymers 0.000 claims description 29
- 150000001875 compounds Chemical class 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 13
- 238000001746 injection moulding Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 241000202814 Cochliomyia hominivorax Species 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000000779 smoke Substances 0.000 description 21
- 230000005540 biological transmission Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002990 reinforced plastic Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
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- 239000007769 metal material Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 238000007634 remodeling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention proposes a kind of open-close type kitchen ventilator actuator (1), including：Motor (2)；Output shaft (4)；The movement of motor shaft (21) from motor is transmitted to the output shaft (4) by gear assembly (3)；First shell part (5) and second shell part (6) limit the inner space for accommodating the motor (2) and the gear assembly (3)；Wherein, the output shaft (4) passes through the output shaft hole (50) of first shell part (5) and is extended to except inner space from the inner space.The present invention also proposes a kind of open-close type kitchen ventilator with the open-close type kitchen ventilator actuator (1).
Description
Technical field
The present invention relates to a kind of open-close type kitchen ventilator actuators, and the folding with the open-close type kitchen ventilator actuator
Formula kitchen ventilator.
Background technology
Kitchen ventilator is a kind of common kitchen purification electric appliance, and cooking stove exhaust gas and oil smoke for generating cooking process are taken away
And outdoor is discharged, to play the role of purifying kitchen environment.Compared to traditional kitchen ventilator, having can open open-close type kitchen ventilator
The panel of conjunction, the openable and closable panel are opened and closed by actuator.Open-close type kitchen ventilator opens face by actuator at work
Plate, cage cigarette effect is good, can prevent oil smoke loss, and more efficiently oil smoke is gathered and siphoned away, and improves the fume-exhausting effect of smoke machine
Fruit；Panel is closed by actuator when kitchen ventilator does not work, shelters from kitchen ventilator suction opening, outer surface is neat and artistic, simultaneously
It can prevent common flue oil smoke from pouring in down a chimney.
The actuator of the prior art is mainly motor driven gear case to export power.But current open-close type oil smoke
There are various problems, such as noise problem, existing actuators to generate loud noise at runtime, reduce user for machine actuator
Culinary art experience and sealing problem because in use, the actuator of the prior art is typically semi-enclosed, oil smoke
Actuator can be entered by gap, hence into motor inside, if things go on like this, motor is damaged, motor suction is caused to subtract
The weak, service life is reduced.In addition, for example, it would also be desirable to be able to improve the integral arrangement of actuator so that its is compacter and closes
Reason.
Invention content
This programme is directed to problems as mentioned above and demand, proposes a kind of novel open-close type kitchen ventilator actuator, by
Above-mentioned technical problem can be solved in taking following technical solution, and there is other technologies advantage.
According to an aspect of the present invention, a kind of open-close type kitchen ventilator actuator is proposed, including：Motor；Output shaft；Gear
Movement from motor is transmitted to the output shaft by component；First shell part and second shell part limit and accommodate
The inner space of the motor and the gear assembly；Wherein, the output shaft across second shell part output shaft hole and
It is extended to except inner space from the inner space.
Pass through features described above, it is proposed that a kind of open-close type kitchen ventilator actuator, wherein motor and gear assembly pass through first
Housing parts and second shell part accommodate, and power is transmitted to output shaft by motor by gear assembly, and output shaft is from described interior
Portion is spatially extended to go out, for changing the aperture for opening and closing panel of kitchen ventilator.
According to a preferred embodiment of the invention, wherein the gear assembly includes being made of parts of plastics and metal part
Compound gear, the parts of plastics forms first group of gear teeth, and the metal part forms second group of gear teeth, wherein first
The tip diameter of group gear teeth is more than the tip diameter of second group of gear teeth.
By features described above, it is parts of plastics to be located at the more upstream part of torque transmission paths, is located at torque transmission paths
Further downstream part is metal part.With such a configuration, it is metal part at the further downstream low speed end of torque transmission paths,
To ensure that the low speed end strength of gear teeth, can transmit and export larger torque, meanwhile, it is more upstream in torque transmission paths
Speed end be parts of plastics, to reduce noise.The compound gear structure constituted using this dissimilar material is effectively to tooth
Wheel fan-out capability and noise control are balanced.
According to a preferred embodiment of the invention, wherein the compound gear is formed by insert injection moulding.
By features described above, the compound gear being made of parts of plastics and metal part can be formed with insert injection moulding technique,
This method is easy to process, saves cost.
According to a preferred embodiment of the invention, wherein the metal part has the tooth for forming second group of gear teeth
End and the head end being wrapped at least partly in parts of plastics, the overall diameter of the head end are greater than or equal to the overall diameter of increment.
By features described above, parts of plastics and metal part are at least combined together at the head end of metal part.Pass through
By the overall diameter of the head end be set greater than or equal to increment overall diameter, form be easy to carry out insert injection moulding head end knot
Structure.
According to a preferred embodiment of the invention, wherein the head end meets at least one of：
The side of the head end has at least one flange；
The side of the head end has one or more non-sphering features；
The bottom surface of the head end has one or more grooves.
By features described above, the side of head end has non-sphering features, is beaten by tangential force when preventing parts of plastics from operating
It is sliding.In addition, by making the side of head end at least one flange and/or making the bottom surface of head end with groove, contribute to
Parts of plastics forms an entirety, the bond strength of reinforced plastics part and metal part after injection molding.
According to a preferred embodiment of the invention, wherein the metal part has longitudinal central aperture, the parts of plastics edge
The entire longitudinal central aperture jointing metal part of metal part.
By features described above, parts of plastics is not only attached to metal part in the head end of metal part, also along metal part
Entire longitudinal central aperture jointing metal part prevent parts of plastics from being operated for a long time to further enhance bond strength
After fall off.
According to a preferred embodiment of the invention, wherein the first shell part has the first partition wall, will be described interior
Portion space is separated into motor accommodating portion and gear assembly accommodating portion, and first partition wall has the axis for being used to support motor
First axle journal slot of neck portion.
By features described above, the first partition wall can support the necked part of motor well.
According to a preferred embodiment of the invention, wherein first partition wall also has rotation stopping screw slot, accommodates installation
Rotation stopping screw on electric machine casing, to prevent the movement of motor in a circumferential direction.
By features described above, the positioning of motor axle journal can be kept by rotation stopping screw, to prevent motor in operational process
The middle rotation for generating circumferencial direction, ensures the stabilization of motor.
According to a preferred embodiment of the invention, wherein first partition wall also has lock-screw slot, is used to install
Lock-screw.
By features described above, motor can be ensured in motor shaft by fastening partition wall and motor casing by lock-screw
In operational process not because radial load, tangential force effect due to generate displacement, and in motor rotation blockage, the lock-screw of fastening can
To keep motor along the position of motor axial direction, avoid because the axial displacement of motor causes the motor shaft of gear and motor to push up
Tooth is stuck so as to cause motor.
According to a preferred embodiment of the invention, motor shaft is integrated with worm screw, the lock-screw and is directly engaged with worm screw
Gear be arranged in worm screw center line both sides.
By features described above, worm screw can be effectively balanced in point suffered radially, circumferentially and on these three tangential directions
Power.
According to a preferred embodiment of the invention, wherein first partition wall is at least partly above first shell part
Side wall.
By features described above, it can facilitate and rotation stopping screw is installed on the first partition wall without by first shell part
Side wall interference, furthermore, it is possible to which so that the position of each groove on the first partition wall preferably meets the positioning need of motor
It wants.
According to a preferred embodiment of the invention, wherein the first shell part further includes being located in motor accommodating portion
The second partition wall, electric machine casing and the first partition wall and the second partition wall in the axial direction be in transition coordinate.
By features described above, motor housing both ends of the surface coordinate with the first partition wall and the second partition wall both ends of the surface transition, with
Ensure the axial position in motor, prevents the axial force that motor is subject in stall moment from motor being driven to generate axial displacement.
According to a preferred embodiment of the invention, wherein the first shell part have the first limited post with gasket and
Second limited post, wherein the two of the motor shaft of motor end abut the gasket of the first limited post and the second limited post respectively.
Pass through features described above, it is possible to reduce motor axial movement value itself prevents motor in stall moment due to axial force
The inertia displacement of caused motor shaft causes to keep the motor shaft of gear and motor generation apical tooth stuck so as to cause motor.Limited post
On gasket the friction between motor shaft and first shell part can be isolated, the operation to reduce kitchen ventilator actuator is made an uproar
Sound.Further, it is also possible to be adjusted to the axial movement value of motor shaft by adjusting gasket thickness.
According to a preferred embodiment of the invention, wherein two ends of the motor shaft of motor are in spherical, to abut the respectively
The gasket of the gasket of one limited post and the second limited post.
By features described above, motor shaft basically forms point contact with limited post, subtracts compared to traditional cylindrical electrical machine axis
The contact area between motor shaft and limited post is lacked, to reduce friction loss, improve the transmission efficiency of kitchen ventilator actuator.
According to a preferred embodiment of the invention, wherein the second shell part has for installation into open-close type oil smoke
Three mounting portions of the distribution triangular in shape of machine, beam is both provided at each mounting portion.
By features described above, three mounting portions are when mounted, it is only necessary to and three screws are installed and form triangle rock-steady structure, from
And reach stable installation effect with minimum screw.
In addition, traditionally, kitchen ventilator actuator is mounted on the oil smoke machine plate of kitchen ventilator folding panel so that motor is transported
The vibration generated when row, which is transmitted to, to be attached thereto on oil smoke machine plate, so as to cause generating vibration and amplifying noise.According to this
The features described above of invention has completely cut off the transmission of vibration by increasing beam.Meanwhile mounting portion is installed using three point contact,
The contact area for reducing kitchen ventilator actuator and oil smoke machine plate further reduced the conduction of noise and vibration.In addition, spiral shell
Nail can be mounted on beam, and to play locking effect, avoiding kitchen ventilator actuator assembly from operating vibration for a long time leads to screw
It loosens.
According to a preferred embodiment of the invention, wherein the second shell part also has the wiring for drawing harness
Hole, the wiring hole and output shaft hole are towards the same direction, and the output shaft hole of second shell part and wiring hole are both provided with
Sealing ring.
By features described above, sealing ring is made of elastic preferable material, can ensure the open-close type kitchen ventilator after installation
Being bonded between actuator and oil smoke machine plate, and bear certain pressure so that it is formed at output shaft hole, wiring hole good close
Envelope, to prevent kitchen ventilator in long-term use oil smoke from output shaft, wiring hole fit clearance in enter gear assembly inside,
Internal gear transmission is influenced after leading to the long-term accumulation of oil smoke and increases power transmission loss.
According to a preferred embodiment of the invention, wherein the upper surface of the first shell part has positioning column, for
It is pre-positioned open-close type kitchen ventilator.
By features described above, when the open-close type kitchen ventilator actuator is installed to the plate body of kitchen ventilator, positioning column with
Output shaft forms the two-point locating relative to oil smoke machine plate so that installation personnel is not necessarily to when carrying out next screw fastening
Centering position, to achieve the purpose that facilitate installation.
According to a preferred embodiment of the invention, wherein the jointing end face of the first shell part and second shell part
Lip that is stepped at least partly, being extended along the length direction of jointing end face with each self-forming.
By features described above, produced because of dislocation when lip can prevent first shell part from being assembled each other with second shell part
Raw offset, improves the conjugation of faying face.Also, lip has anti-static electrification, can stop that electrostatic enters kitchen ventilator execution
Inside device, to protect internal electronic component.
According to a preferred embodiment of the invention, wherein the first shell part and second shell part respectively have from
Several pin hole location structures being mutually matched that its side wall extends.
By features described above, pin hole location structure is convenient for installation between first shell part and second shell part and fixed
Position, installation deviation causes to warp when second shell being prevented to be partially loaded first shell part, so that internal gear mandrel is curved
Song influences gear drive.
According to a preferred embodiment of the invention, wherein it also has the magnet ring and Hall of the angle for measurement motor axis
Sensor.
By features described above, magnet ring and Hall sensor with the angle of measurement motor axis and can realize feedback control, with reality
The accurate adjusting and control of existing kitchen ventilator actuator operation angle, accurate to realize kitchen ventilator panel open angle adjust with
Control.
According to a preferred embodiment of the invention, wherein the motor shaft of motor and the output shaft are respectively positioned on open-close type oil
On the longitudinal median plane A of smoke machine actuator.
By features described above, the compact arrangement of motor and output shaft spatially may be implemented, reduce actuator assembly
Overall dimensions.
According to a preferred embodiment of the invention, first shell part and second shell part are dimensioned so that, are held
The thickness of housing parts of motor received is more than the thickness for the housing parts for accommodating gear assembly, and accommodates the housing parts of motor
Width is less than the width for the housing parts for accommodating gear assembly.
By features described above, open-close type kitchen ventilator actuator realizes compact shape so that its inside kitchen ventilator only
Occupy smaller space.
According to another aspect of the present invention, a kind of open-close type kitchen ventilator is proposed, with open-close type as previously described
Panel and open-close type kitchen ventilator actuator, wherein open-close type kitchen ventilator actuator the opening for changing open-close type panel
Degree.
More description in detail is carried out to implementing most highly preferred embodiment of the invention below in conjunction with attached drawing, so as to can be easily
Understand the features and advantages of the present invention.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, hereinafter by the attached drawing of the embodiment of the present invention into
Row is simple to be introduced.Wherein, attached drawing is used only for displaying some embodiments of the present invention, rather than the whole embodiments of the present invention are limited
It is formed on this.
Fig. 1 is the perspective view of open-close type kitchen ventilator actuator integral outer structure according to the present invention；
Fig. 2 is the simplification view of open-close type kitchen ventilator actuator power and transmission device according to the present invention；
Fig. 3 is the sectional view of compound gear according to the present invention；
Fig. 4 is the perspective view of the metal part of compound gear according to the present invention；
Fig. 5 is the perspective view of first shell part according to the present invention；
Fig. 6 is the perspective view of the open-close type kitchen ventilator actuator according to the present invention mounted on oil smoke machine plate；
Fig. 7 is the perspective view of the second shell part according to the present invention for being equipped with motor；
Fig. 8 is the vertical view of a part for the open-close type kitchen ventilator actuator according to the present invention for showing longitudinal median plane A
Figure；
Fig. 9 is the side view of open-close type kitchen ventilator actuator according to the present invention；
Figure 10 is the vertical view of open-close type kitchen ventilator actuator according to the present invention；
Figure 11 is the schematic diagram of the bulbous end for the motor shaft for illustrating motor according to the present invention；
Figure 12 is the decomposition view of open-close type kitchen ventilator actuator according to the present invention；
Figure 13 illustrates the force diagram of worm screw.
Specific implementation mode
In order to enable the purpose, technical scheme and advantage of technical scheme of the present invention are clearer, below in conjunction with this
The technical solution of the embodiment of the present invention is clearly and completely described in the attached drawing of invention specific embodiment.It is identical in attached drawing
Reference numeral represents identical component.It should be noted that described embodiment is a part of the embodiment of the present invention, without
It is whole embodiment.Based on described the embodiment of the present invention, those of ordinary skill in the art are without creative work
Under the premise of the every other embodiment that is obtained, shall fall within the protection scope of the present invention.
Unless otherwise defined, the technical term or scientific term used herein should be in fields of the present invention and has
The ordinary meaning that the personage of general technical ability is understood.Used in present patent application specification and claims " the
One ", " second " and similar word are not offered as any sequence, quantity or importance, and are used only to distinguish different
Component part.Equally, the similar word such as "one" or " one " also not necessarily indicates quantity limitation." comprising " or "comprising" etc.
Similar word mean to occur element or object before the word cover the element for appearing in the word presented hereinafter or object and
It is equivalent, and is not excluded for other elements or object.The similar word such as " connection " or " connected " is not limited to physics
Or the connection of machinery, but may include electrical connection, either directly or indirectly."upper", "lower", " left side ",
" right side " etc. is only used for indicating relative position relation, after the absolute position for being described object changes, then the relative position relation
May correspondingly it change.
Fig. 1 shows that the open-close type kitchen ventilator actuator of property embodiment according to an example of the present invention is integrally-built
View, Figure 12 are the decomposition views of open-close type kitchen ventilator actuator according to the present invention.The open-close type kitchen ventilator actuator can
Aperture for the open-close type panel for changing kitchen ventilator by output shaft 4.Open-close type kitchen ventilator actuator 1 includes first shell portion
Points 5 and second shell part 6, the two be the half-shell that can be matched together, can be made of metal material.First shell part
5 and second shell part 6 limit accommodate motor 2 and gear assembly 3 (it is for example shown in FIG. 2) inner space.
As shown in Figure 1, be provided with wiring hole 51 and output shaft hole 50 on the side of first shell part 5, the two is towards phase
Equidirectional opening.For embodiment shown in the drawings, wiring hole 51 and output shaft hole 50 are opened towards the plate body that actuator is installed
Mouthful.Wherein, output shaft 4 across first shell part 5 output shaft hole 50 and from the inner space extend to inner space it
Outside, for the aperture of the retractable panel of change open-close type kitchen ventilator.Wherein, wiring hole 51 is for will be from the line of motor 2
Beam is drawn out to except inner space.The position of wiring hole 51 may be configured as the harness extraction location close to motor, be inserted to convenient
The grafting of fitting reduces the length of harness.
Fig. 2 shows the simplification views of the power and transmission device of open-close type kitchen ventilator actuator according to the present invention.It is dynamic
Power and transmission device include motor 2 and gear assembly 3.The motor 2 is preferably direct current generator.Preferably, motor shaft 21 is integrated
There are worm screw, bevel gear etc., wherein in the embodiment of fig. 2, motor shaft 21 and worm screw pass through in together with interference fit
Worm section transmits motion to the corresponding worm gear of gear assembly 3.By gear assembly 3, the motor shaft 21 from motor 2
Movement is passed to output shaft 4.
Gear assembly 3 preferably comprises the train of reduction gears of at least two gears, it is highly preferred that gear assembly 3 includes such as
Four gears shown in Fig. 2 or Figure 12.
Preferably, the gear positioned at power transmission chain most upstream of gear assembly 3 is by parts of plastics 32 and metal part
33 compound gears 31 constituted.Fig. 3 illustrates the sectional view of compound gear 31 according to the present invention, and Fig. 4 is shown according to this
The perspective view of the metal part 33 of the compound gear 31 of invention.
As shown in figure 3, the parts of plastics 32 of compound gear 31 forms first group of gear teeth 36, metal part 33 forms second
Group gear teeth 37, wherein the tip diameter of first group of gear teeth is more than the tip diameter of second group of gear teeth.Described first
Group gear teeth 36 drives entire compound gear 31 to rotate for receiving the torque from motor shaft.In the electricity of preferred embodiment
For arbor 21 using in the case of worm screw, first group of gear teeth 36 uses worm gear surface, second group of gear teeth 37 that spur gear can be used
The flank of tooth.In the case where the motor shaft 21 of preferred embodiment is using bevel gear, first group of gear teeth 36 uses tooth surfaces of bevel gears, the
Spur gear surface still can be used in two groups of gear teeth 37.
Parts of plastics 32 and metal part 33 can be formed as one by insert injection moulding mode.As shown in Fig. 3 and 4, gold
Belonging to part 33 has the increment 34 for forming second group of gear teeth and the head end 35 being wrapped at least partly in parts of plastics, described
The overall diameter of head end 35 is greater than or equal to the overall diameter of increment 34.Wherein, the embodiment of Fig. 3 illustrates head end 35 by distance a
Overall diameter be more than increment 34 overall diameter.
Parts of plastics 32 is attached to metal part 33 at the head end 35 of metal part 33.Specifically, parts of plastics can be with
Head end 35 is combined on the entire longitudinal length of head end 35.Alternatively, as shown in figure 3, head end 35 there may also be do not moulded
Expect the length b of portion envelops.The presence of length b can avoid the inaccurate technique in injection moulding process from causing plastic material being molded
To second group of gear teeth 37.
In order to realize being tightly engaged into for parts of plastics 32 and metal part 33, which can meet at least one of：
(1) side of head end 35 has at least one flange 350；(2) side of head end 35 has one or more non-sphering features
351；(3) bottom surface of the head end has one or more grooves 352.Preferably, which can have above three simultaneously
Two in feature, or there is above three feature simultaneously.Wherein, the flange 350 means outstanding from the side of head end 35
Cyclic structure.Wherein, non-sphering features 351 mean to enable to be located at head end side, make the cross section of head end in not rounded
The structure of shape, for example, the lateral projections shown in Fig. 4 from head end multiple structures.Preferably, multiple non-351 shapes of sphering features
At on the flange 350 of head end side.The bottom surface of head end with preferably with several grooves to radially distribute, such as
Four, six, eight etc..In this way, injection molding after parts of plastics can with metal part formed an entirety, reinforced plastics part and
The bond strength of metal part prevents parts of plastics from falling off from metal part after long-term operating.
As shown in Figure 3, it is preferable that parts of plastics 32 is not only attached to metal part at the head end of metal part 35, also
Along the entire longitudinal central aperture jointing metal part 33 of metal part.In addition, as shown in Fig. 3, parts of plastics 32 can be at increment
It is protruded from the longitudinal central aperture of metal part, to be partially engageable with the end face of increment.
Gear of the compound gear 31 as power transmission chain most upstream is received by first group of gear teeth 36 and comes from motor
The power of axis 21, and power is transmitted to the downstream gear of compound gear 31 by its second group of gear teeth 37, and transmit in turn
To output shaft 4.
As it was noted above, the compound gear 31 constituted using this dissimilar material is effectively to gear fan-out capability and noise
Control is balanced, and has other a variety of advantages.
In addition, as shown in Fig. 2, motor 2 can also have the magnet ring 9 and Hall sensor of the angle for measurement motor axis
10, middle magnetic ring 9 can be mounted on being moved on the part of motor rear end and with the motor shaft for motor shaft, Hall sensor
10 for example on the circuit board module of motor.Hall sensor 10 is by sensing the position of magnet ring 9 to knowing motor shaft
Angle.
Fig. 5 is the perspective view of first shell part 5 according to the present invention.As shown, first shell part 5 has first
The inner space is separated into motor accommodating portion 59 and gear assembly accommodating portion by partition wall 56, first partition wall 56
58。
First partition wall 56 has the first axle journal slot 561 of the necked part for being used to support motor 2.
Optionally, the first partition wall 56 can have the rotation stopping screw slot for accommodating the rotation stopping screw being mounted on electric machine casing
562.The rotation stopping screw is pre-installed in before motor is packed into first shell part on motor.It is installed to first shell by motor
When body portion, the rotation stopping screw is fitted into the rotation stopping screw slot 562 of shell, and specifically, nut is located at rotation stopping screw slot
In 562.In this way, after being installed in place, rotation stopping screw forms 2 points of pre-determined bits with direct current generator axle journal, reaches rotation stop purpose.
First partition wall 56 also has the lock-screw slot 563 for accommodating the lock-screw being mounted on electric machine casing.Locking
Screw is used to after direct current generator is installed to motor first shell part compress the first partition wall 56 with motor casing so that straight
Galvanic electricity machine is bonded completely with the first partition wall 56.
Lock-screw slot 563 and rotation stopping screw slot 562 can prevent the movement of motor in a circumferential direction.
In accordance with the embodiments illustrated, lock-screw slot 563 and rotation stopping screw slot 562 are arranged in the two of the first axle journal slot 561
Side.Being integrated with worm screw preferably for motor shaft, (such as a part for motor shaft is formed as worm screw or worm screw is installed to motor
Axis) embodiment, lock-screw and worm screw center line both sides are arranged in the direct meshed gears of worm screw, to effectively balance
Worm screw component suffered on 3 directions, i.e. radial load Fr1, axial force F a1, tangential force Ft1, these component show in fig. 13
Show to meaning property.
According to unshowned embodiment, it can be not provided with rotation stopping screw, and the both sides of the first axle journal slot 561 are provided with two
A lock-screw.
First partition wall 56 can be set to the side wall at least partly above first shell part 5, for example, first is separated
Wall 56 is arranged to the side wall that its part without groove is higher than first shell part 5, to preferably keep motor and peace
Fill rotation stopping screw and lock-screw.
First shell part 5 can also have the second partition wall 57 being located in motor accommodating portion 59.Second partition wall
57 can have the second axle journal slot 571 of the necked part for being used to support 2 other end of motor.First partition wall 56 and the second partition wall
57 position is arranged to form transition cooperation in the axial direction with electric machine casing, to preferably keep motor 2.
First axle journal slot 561, lock-screw slot 563, rotation stopping screw slot 562, the second axle journal slot 571 can be U-lag or
The form of arc groove.
Preferably, as shown in figure 5, the jointing end face of the engagement second shell part 6 of first shell part 5 at least partly
Lip that is stepped, being extended with the length direction formed along jointing end face.Accordingly, as shown in fig. 7, second shell part 6
With ladder-like jointing end face corresponding with first shell part 5, the lip of the length direction extension along jointing end face is also formed
Side.In this way, after two housing parts are bonded together, the lip of first shell part 5 is located at the lip of second shell part 6
The inside on side.Wherein, first shell part 5 and second shell part 6 can all have ladder-like structure on entire jointing end face
It makes.Alternatively, first shell part 5 and second shell part 6 can have step-like configuration only on portion engaging end face, such as
Step-like configuration is interrupted by pin hole location structure described below.
Fig. 6 shows the perspective view of the open-close type kitchen ventilator actuator 1 according to the present invention mounted on oil smoke machine plate.The
One housing parts 5 have three mounting portions 53 of the distribution triangular in shape for installation into open-close type kitchen ventilator, in each installation
Beam 54 is both provided at portion.
Preferably, the output shaft hole 50 and wiring hole 51 of first shell part 5 are both provided with sealing ring 52 so that output shaft
At hole, wiring hole formed sealing, to prevent kitchen ventilator in long-term use oil smoke from output shaft, wiring hole fit clearance in
Into inside gear assembly.
Preferably, the upper surface of first shell part 5 has positioning column 55, and open-close type kitchen ventilator is arrived for pre-determined bit.
To which when the open-close type kitchen ventilator actuator is installed to the plate body of kitchen ventilator, positioning column is formed with output shaft relative to oil
The two-point locating of smoke machine plate body so that installation personnel is not necessarily to centering position when carrying out next screw fastening, to reach
Facilitate the purpose of installation.
Fig. 7 shows the perspective view of the second shell part 6 according to the present invention for being equipped with motor 2.Second shell part 6
With the first limited post 7 and the second limited post 8 with gasket, for two ends of fixed motor.Wherein, the first limited post
7 and second can have on limited post 8 groove, gasket be respectively pressed into each groove.Preferably, as shown in figure 11, the electricity of motor 2
Two ends of arbor are in spherical, and abut the gasket 71 of the first limited post and the gasket 81 of the second limited post respectively.
First shell part 5 and second shell part 6 respectively have several pin holes being mutually matched for being formed in its side wall
Location structure.In the embodiment shown in fig. 7, multiple positioning pins 61 are formed on second shell part 6, are used to be matched to
In the corresponding pore structure of one housing parts 5.In unshowned embodiment, multiple positioning pins may be formed at first shell part
On, and corresponding multiple location holes are formed on second shell part, to form the pin hole location structure.
Fig. 8 shows a part for the open-close type kitchen ventilator actuator 1 according to the present invention for showing longitudinal median plane A
Vertical view.The motor shaft 21 and the output shaft 4 of motor 2 are respectively positioned on the longitudinal median plane of open-close type kitchen ventilator actuator
On A, and motor shaft 21 and output shaft 4 can be arranged perpendicularly to each other on central plane A.Feature in this way can be realized and be held
The compact and rational arrangement of row device.
Fig. 9 and Figure 10 respectively illustrates the side view and vertical view of open-close type kitchen ventilator actuator according to the present invention.Its
In, as shown in figure 9, the first shell part 5 and second shell part 6 of open-close type kitchen ventilator actuator are sized to make
, the thickness h 1 for accommodating the housing parts of motor is more than the thickness h 2 for the housing parts for accommodating gear assembly.As shown in Figure 10, hold
Receive motor housing parts width b1 be less than accommodate gear assembly housing parts width b2.With such a configuration, may be used
So that open-close type kitchen ventilator actuator spatially occupies little space.
According to an embodiment of the invention, a kind of open-close type kitchen ventilator is also disclosed, with open-close type panel, and as above
The open-close type kitchen ventilator actuator.The open-close type kitchen ventilator actuator drives open-close type panel by its output shaft 4
Opening and closing.
Showing for open-close type kitchen ventilator actuator proposed by the invention is described in detail above in reference to preferred embodiment
Plasticity embodiment, however it will be appreciated by those skilled in the art that under the premise of without departing substantially from theory of the present invention, it can be to upper
It states specific embodiment and makes a variety of modifications and remodeling, and various technical characteristics proposed by the present invention, structure can be carried out a variety of
Combination, without beyond the scope of the present invention, protection scope of the present invention is determined by the attached claims.
Reference numerals list
1 open-close type kitchen ventilator actuator
2 motors
21 motor shafts
3 gear assemblies
31 compound gears
32 parts of plastics
33 metal parts
34 increments
35 head ends
351 non-sphering features
352 grooves
36 first groups of gear teeth
37 second groups of gear teeth
4 output shafts
5 first shell parts
50 output shaft holes
51 wiring holes
52 sealing rings
53 mounting portions
54 beams
55 positioning columns
56 first partition walls
561 first axle journal slots
562 rotation stopping screw slots
563 lock-screw slots
57 second partition walls
571 second axle journal slots
58 gear assembly accommodating portions
59 motor accommodating portions
6 second shell parts
61 positioning pins
7 first limited posts
The gasket of 71 first limited posts
8 second limited posts
The gasket of 81 second limited posts
9 magnet rings
10 Hall sensors
11 oil smoke machine plates
A longitudinal median planes.
Claims (23)
1. a kind of open-close type kitchen ventilator actuator (1), including：
Motor (2)；
Output shaft (4)；
The movement of motor shaft (21) from motor is transmitted to the output shaft (4) by gear assembly (3)；
First shell part (5) and second shell part (6), the restriction receiving motor (2) and the gear assembly (3)
Inner space；
Wherein, the output shaft (4) passes through the output shaft hole (50) of first shell part (5) and is extended to from the inner space
Except inner space.
2. open-close type kitchen ventilator actuator as described in claim 1, wherein the gear assembly (3) includes by parts of plastics
(32) and the compound gear (31) of metal part (33) composition, the parts of plastics form first group of gear teeth (36), the gold
Belong to part and form second group of gear teeth (37), wherein the tip diameter of first group of gear teeth is more than the tooth top of second group of gear teeth
Circular diameter.
3. open-close type kitchen ventilator actuator as claimed in claim 2, wherein the compound gear (31) passes through insert injection moulding shape
At.
4. open-close type kitchen ventilator actuator as claimed in claim 2, wherein the metal part (33), which has, forms described the
The increment (34) of two groups of gear teeth and the head end (35) being wrapped at least partly in parts of plastics, the overall diameter of the head end
More than or equal to the overall diameter of increment.
5. open-close type kitchen ventilator actuator as claimed in claim 4, wherein the head end (35) meets at least one of：
The side of the head end has at least one flange (350)；
The side of the head end has one or more non-sphering features (351)；
The bottom surface of the head end has one or more grooves (352).
6. open-close type kitchen ventilator actuator as claimed in claim 2, wherein the metal part (33) has longitudinal center
Hole, the parts of plastics (32) engage the metal part (33) along the entire longitudinal central aperture of metal part.
7. open-close type kitchen ventilator actuator as described in claim 1, wherein the first shell part (5) has first point
The inner space is separated into motor accommodating portion (59) and gear assembly accommodating portion (58) by next door (56), and described
One partition wall (56) has the first axle journal slot (561) of the necked part for being used to support motor (2).
8. open-close type kitchen ventilator actuator as claimed in claim 7, wherein first partition wall (56) also has rotation stop spiral shell
Slot (562) is followed closely, the rotation stopping screw being mounted on electric machine casing is accommodated, to prevent the movement of motor in a circumferential direction.
9. open-close type kitchen ventilator actuator as claimed in claim 7, wherein first partition wall (56) also has locking screw
Slot (563) is followed closely, installation locking screw is used for.
10. open-close type kitchen ventilator actuator as claimed in claim 9, wherein motor shaft (21) is integrated with worm screw, the locking
Screw and be arranged in the direct meshed gears of worm screw worm screw center line both sides.
11. open-close type kitchen ventilator actuator as claimed in claim 7, wherein first partition wall (56) is at least partly
Higher than the side wall of first shell part (5).
12. open-close type kitchen ventilator actuator as claimed in claim 7, wherein the first shell part (5) further includes being located at
The second partition wall (57) in motor accommodating portion (59), electric machine casing exist with the first partition wall (56) and the second partition wall (57)
Coordinate in transition in axial direction.
13. open-close type kitchen ventilator actuator as described in claim 1, wherein the second shell part (6) has band gasket
The first limited post (7) and the second limited post (8), two ends of motor shaft (21) therein abut the first limited post respectively
The gasket (81) of gasket (71) and the second limited post.
14. open-close type kitchen ventilator actuator as claimed in claim 13, wherein two ends of motor shaft (21) in spherical,
To abut the gasket (71) of the first limited post and the gasket (81) of the second limited post respectively.
15. open-close type kitchen ventilator actuator as described in claim 1, wherein the first shell part (5) has for pacifying
Three mounting portions (53) of the distribution triangular in shape of open-close type kitchen ventilator are attached to, beam is both provided at each mounting portion
(54)。
16. open-close type kitchen ventilator actuator as described in claim 1, wherein the first shell part (5), which also has, to be used for
Draw the wiring hole (51) of harness, the wiring hole (51) and output shaft hole (50) are towards the same direction, and first shell part
(5) output shaft hole (50) and wiring hole (51) is both provided with sealing ring (52).
17. open-close type kitchen ventilator actuator as described in claim 1, wherein the upper table mask of the first shell part (5)
There is positioning column (55), open-close type kitchen ventilator is arrived for pre-determined bit.
18. open-close type kitchen ventilator actuator as described in claim 1, wherein the first shell part (5) and second shell
Partly the jointing end face of (6) is stepped at least partly, the lip extended along the length direction of jointing end face with each self-forming.
19. open-close type kitchen ventilator actuator as described in claim 1, wherein the first shell part (5) and second shell
Partly (6) respectively have several pin hole location structures being mutually matched for being formed in its side wall.
20. open-close type kitchen ventilator actuator as described in claim 1, wherein it also has for measurement motor axis (21)
The magnet ring (9) and Hall sensor (10) of angle.
21. open-close type kitchen ventilator actuator as described in claim 1, wherein motor shaft (21) and the output shaft (4) are equal
On the longitudinal median plane (A) of open-close type kitchen ventilator actuator.
22. open-close type kitchen ventilator actuator as described in claim 1, wherein first shell part (5) and second shell part
(6) it is dimensioned so that, the thickness (h1) for accommodating the housing parts of motor is more than the housing parts for accommodating gear assembly
Thickness (h2), and the width (b1) for accommodating the housing parts of motor is less than the width (b2) for the housing parts for accommodating gear assembly.
23. a kind of open-close type kitchen ventilator, the folding with open-close type panel and as described in any one of claim 1-22
Formula kitchen ventilator actuator, wherein the open-close type kitchen ventilator actuator for changing open-close type panel aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811015608.6A CN108679680B (en) | 2018-08-31 | 2018-08-31 | Open-close type range hood actuator and open-close type range hood with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811015608.6A CN108679680B (en) | 2018-08-31 | 2018-08-31 | Open-close type range hood actuator and open-close type range hood with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108679680A true CN108679680A (en) | 2018-10-19 |
| CN108679680B CN108679680B (en) | 2024-06-04 |
Family
ID=63815622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811015608.6A Active CN108679680B (en) | 2018-08-31 | 2018-08-31 | Open-close type range hood actuator and open-close type range hood with same |
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| Country | Link |
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| CN (1) | CN108679680B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333005A (en) * | 2019-06-27 | 2019-10-15 | 安徽四创电子股份有限公司 | A kind of open-close type plug-in unit of detectable temperature |
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| Publication number | Publication date |
|---|---|
| CN108679680B (en) | 2024-06-04 |
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