CN206736563U - Belt transmission mechanism and washing machine - Google Patents
Belt transmission mechanism and washing machine Download PDFInfo
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- CN206736563U CN206736563U CN201720567128.5U CN201720567128U CN206736563U CN 206736563 U CN206736563 U CN 206736563U CN 201720567128 U CN201720567128 U CN 201720567128U CN 206736563 U CN206736563 U CN 206736563U
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- belt
- telescoping mechanism
- wheel
- belt gear
- driving wheel
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- 230000007246 mechanism Effects 0.000 title claims abstract description 106
- 238000005406 washing Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 title abstract description 7
- 239000007788 liquid Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The utility model provides a belt drive mechanism and washing machine. The belt transmission mechanism comprises a driving wheel (1), a driven wheel (2) and a belt (3) sleeved on the driving wheel (1) and the driven wheel (2), wherein the transmission ratio of the driving wheel (1) and the driven wheel (2) is adjustable, and the length of the belt (3) matched with the driving wheel (1) and the driven wheel (2) is unchanged when the transmission ratio of the driving wheel (1) and the driven wheel (2) is adjusted. According to the utility model discloses a belt drive mechanism can make output and actual load phase-match, reduces the consumption, the noise reduction.
Description
Technical field
The utility model belongs to laundry facilities technical field, and in particular to a kind of belt gear and washing machine.
Background technology
Roller washing machine with belt pulley, using the kind of drive of fixed drive ratio, in the situation that load capacity changes
Under, the situation that power output does not match that with actual loading often occurs, not only increases motor burden, influences electrical machinery life,
It can also increase the consumption of energy simultaneously, and the noise vibrations of washing machine can be increased.
Utility model content
Therefore, the technical problems to be solved in the utility model is to provide a kind of belt gear and washing machine, can
So that power output matches with actual loading, power consumption is reduced, reduces noise.
In order to solve the above problems, the utility model provides a kind of belt gear, including driving wheel, driven pulley and
The gearratio of the belt being set on driving wheel and driven pulley, driving wheel and driven pulley is adjustable, the transmission of driving wheel and driven pulley
During than regulation, the Belt Length to match with driving wheel and driven pulley is constant.
Preferably, driving wheel include the first wheel disc and the first wheel disc circumference be radially distributed multiple first stretch
Mechanism, the telescopic end of each first telescoping mechanism are respectively arranged with first pulley section, and each first pulley section is located at the circle of driving wheel
The heart is on the same circumference in the center of circle and independently of each other, belt is set in first pulley section.
Preferably, the periphery of first pulley section is provided with belt grooves.
Preferably, the first telescoping mechanism is pressure-driven telescoping mechanism or electromagnetic drive telescoping mechanism.
Preferably, each first telescoping mechanism synchronization telescope.
Preferably, the first telescoping mechanism is hydraulic cylinder or pneumatic cylinder, and when the first telescoping mechanism is hydraulic cylinder, each first stretches
The liquid feeding end intercommunication of contracting mechanism, outlet end intercommunication；When the first telescoping mechanism is pneumatic cylinder, the inlet end of each first telescoping mechanism
Intercommunication, outlet side intercommunication.
Preferably, the first telescoping mechanism includes the first company being telescopically disposed in along the radial direction of driving wheel on the first wheel disc
Post is connect, first pulley section is arranged on the external part of the first connecting pole correspondingly.
Preferably, the first connecting pole at the link position of first pulley section with being provided with pressure sensor.
Preferably, belt gear also includes motor and current sensing mechanism, motor and drive wheel
Connection, current sensing mechanism detect the driving current of motor, and belt gear is according to detected by current sensing mechanism
Drive current adjustment driving wheel and driven pulley gearratio.
Preferably, driven pulley include the second wheel disc and the second wheel disc circumference be radially distributed multiple second stretch
Mechanism, the telescopic end of each second telescoping mechanism are respectively arranged with the second belt wheel section, and each second belt wheel section is located at the circle of driven pulley
The heart is on the same circumference in the center of circle and independently of each other, belt is set in the second belt wheel section.
Preferably, the second telescoping mechanism includes the second company being telescopically disposed in along the radial direction of driving wheel on the second wheel disc
Post is connect, the second belt wheel section is arranged on the external part of the second connecting pole correspondingly.
Preferably, the second telescoping mechanism is pressure-driven telescoping mechanism or electromagnetic drive telescoping mechanism.
Preferably, each second telescoping mechanism synchronization telescope.
Preferably, the second telescoping mechanism is hydraulic cylinder or pneumatic cylinder, and when the second telescoping mechanism is hydraulic cylinder, each second stretches
The liquid feeding end intercommunication of contracting mechanism, outlet end intercommunication；When the second telescoping mechanism is pneumatic cylinder, the inlet end of each second telescoping mechanism
Intercommunication, outlet side intercommunication.
According to another aspect of the present utility model, there is provided a kind of washing machine, including belt gear, the belt transmission
Mechanism is above-mentioned belt gear.
Belt gear provided by the utility model, including driving wheel, driven pulley and it is set in driving wheel and driven
The gearratio of belt on wheel, driving wheel and driven pulley is adjustable, during the regulation of the gearratio of driving wheel and driven pulley, with driving wheel and
The Belt Length that driven pulley matches is constant.The belt gear in the course of the work, matches with driving wheel and driven pulley
Belt Length remain constant, can be in the case where not changing Belt Length, by changing driving wheel and driven pulley
Gearratio makes the power output of motor and the load match, and motor burden diminishes when running equipment, so as to increase motor and
The service life of belt, power consumption is reduced, reduce noise.
Brief description of the drawings
Fig. 1 is the structural representation of the belt gear of the utility model embodiment；
Fig. 2 is the dimensional structure diagram of the driving wheel of the belt gear of the utility model embodiment；
Fig. 3 is the dimensional structure diagram of the driven pulley of the belt gear of the utility model embodiment.
Reference is expressed as：
1st, driving wheel；2nd, driven pulley；3rd, belt；4th, the first wheel disc；5th, first pulley section；6th, the first connecting pole；7th, second
Belt wheel section；8th, the second wheel disc；9th, the second connecting pole；10th, belt grooves.
Embodiment
With reference to shown in referring to Fig. 1 to Fig. 3, according to embodiment of the present utility model, belt gear include driving wheel 1,
The gearratio of driven pulley 2 and the belt 3 being set on driving wheel 1 and driven pulley 2, driving wheel 1 and driven pulley 2 is adjustable, driving
During the regulation of the gearratio of wheel 1 and driven pulley 2, the length of belt 3 to match with driving wheel 1 and driven pulley 2 is constant.
In the course of the work, the length of the belt 3 to match with driving wheel 1 and driven pulley 2 is all the time for the belt gear
Keep constant, electricity can be made by changing the gearratio of driving wheel 1 and driven pulley 2 in the case where not changing the length of belt 3
The power output of machine matches with load, and motor burden diminishes when running equipment, so as to which increase motor and belt uses the longevity
Life, power consumption is reduced, reduce noise.During the gearratio regulation of wheel 1 and driven pulley 2 is driven, belt 3 is tensioning all the time
It is arranged on driving wheel 1 and driven pulley 2, and the tensile force of belt is controlled within the scope of one, makes the tensile force base of belt
Keep constant on this, work so as to improving belt gear during the regulation of the gearratio of driving wheel 1 and driven pulley 2 steady
Qualitative and reliability.Round Zhou Changwei π are multiplied by diameter, as long as ensureing the amplitude of girth elongation and the week of driven pulley 2 of driving wheel 1
The amplitude of long shortening is identical, or ensures the amplitude of girth elongation of driven pulley 2 and the amplitude phase that the girth of driving wheel 1 shortens
Together, it is possible to ensure that the power tightened of belt is constant.
The regulation of the gearratio of driving wheel 1 and driven pulley 2 can be by changing entering with belt 3 for driving wheel 1 and driven pulley 2
The band wheel footpath that row coordinates is realized, by changing the band wheel footpath of driving wheel 1 and driven pulley 2, can change driving wheel 1 and driven pulley
2 diameter ratio, and then change gearratio.
Driving wheel 1 includes the first wheel disc 4 and multiple first telescopic machines for being radially distributed of circumference in the first wheel disc 4
Structure, the telescopic end of each first telescoping mechanism are respectively arranged with first pulley section 5, and each first pulley section 5 is located at the circle of driving wheel 1
The heart is on the same circumference in the center of circle and independently of each other, belt 3 is set in first pulley section 5.Preferably, inside the first wheel disc 4
It is hollow, space can be provided for the installation of each first telescoping mechanism, radial direction of first telescoping mechanism along the first wheel disc 4 is scalable
Ground is set.Because circumference of multiple first telescoping mechanisms in the first wheel disc 4 is radially distributed, therefore each first can be ensured
The telescopic direction of telescoping mechanism is the radial expansion centered on the center of the first wheel disc 4, ensure that each first telescoping mechanism fortune
The accuracy in dynamic direction, it ensure that the accuracy of the radius of gyration regulation of driving wheel 1.
Pilot hole can also be set on the first wheel disc 4, and the telescopic end of the first telescoping mechanism stretches out the through the pilot hole
Outside one wheel disc 4, the pilot hole can provide guiding for the telescopic end of the first telescoping mechanism, ensure the first telescoping mechanism stretching motion
Accuracy.
Preferably, the periphery of first pulley section 5 is provided with belt grooves 10, the shape of the belt grooves and the shape phase of belt 3
Matching, it is ensured that belt 3 can be stably maintained in belt grooves 10, improve the stability and reliability of belt transmission.
The periphery of first pulley section 5 can also be not provided with belt grooves 10, directly be set in belt 3 on the outer peripheral face of first pulley section 5,
Belt 3 is set to be maintained at the periphery of first pulley section 5 by tensile force.Further, it is also possible to the outer peripheral face of first pulley section 5 is set
For an interior concave arc, belt 3 can be arranged in the interior concave arc, pass through the centripetence power belt 3 of interior concave arc
It is stably maintained in first pulley section 5.Belt grooves are provided with guiding it can also be provided that rectangular channel in the entrance side of rectangular channel
Inclined-plane, consequently facilitating carrying out the installation of belt.
Circumferentially there is gap so that in the radial distance of regulation first pulley section 5 between multiple first pulley sections 5
When, it will not interfere between each first pulley section 5, improve the security of the radial position regulation of first pulley section 5 and reliable
Property.
Preferably, each first telescoping mechanism synchronization telescope, it can ensure that the flexible amplitude of each first telescoping mechanism is identical, make
The first pulley section 5 for obtaining the telescopic end of each first telescoping mechanism is always positioned on same circumference, can be all the time between belt 3
With good matching relationship, ensure that belt 3 has substantially invariable tension power all the time, improve belt gear and entering
The stability that row gearratio moves when adjusting.
First telescoping mechanism can be to realize the pressure-driven telescoping mechanism of telescopic drive or using electricity using mechanical work
Power, which is done work, realizes the electromagnetic drive telescoping mechanism of telescopic drive.
In the present embodiment, the first telescoping mechanism is hydraulic cylinder or pneumatic cylinder, when the first telescoping mechanism is hydraulic cylinder, respectively
The liquid feeding end intercommunication of first telescoping mechanism, outlet end intercommunication；When the first telescoping mechanism is pneumatic cylinder, each first telescoping mechanism
Inlet end intercommunication, outlet side intercommunication.When using hydraulic cylinder, because the liquid feeding end intercommunication of each first telescoping mechanism, outlet end are mutual
It is logical, therefore the pressure difference of each hydraulic cylinder is identical, stretches out speed and extension elongation also all same, ensure that each first telescoping mechanism
Telescopic end collapsing length uniformity.Similar with hydraulic cylinder using principle during pneumatic cylinder, I will not elaborate.
Certainly, the first telescoping mechanism can also use electric pushrod, or the expansion link promoted by coil, by applying
Add identical voltage, it is ensured that the collapsing length and flexible speed of electric pushrod and expansion link are consistent.
Preferably, the first telescoping mechanism includes first be telescopically disposed in along the radial direction of driving wheel 1 on first wheel disc 4
Connecting pole 6, first pulley section 5 are arranged on the external part of the first connecting pole 6 correspondingly.First connecting pole 6 is stretched for first
The stretching structure of contracting mechanism, the flexible of the first connecting pole 6 can drive first pulley section 5 flexible, so as to realize to belt pulley
Wheel footpath is adjusted.
First connecting pole 6 at the link position of first pulley section 5 with being provided with pressure sensor.The pressure sensor can be with
Each first connecting pole 6 and the pressure at first pulley section 5 are detected, so as to judge first pulley section 5 according to the pressure value
Elasticity, judge whether belt 3 is in tensioning state according to the elasticity so that wheel footpath regulation and the driven pulley 2 of driving wheel 1
Wheel footpath adjust to form linkage, and ensure during regulation, belt 3 is in tensioning state all the time.
Preferably, belt gear also includes motor and current sensing mechanism, and motor drives with driving wheel 1
Connection, current sensing mechanism detect the driving current of motor, and belt gear is according to detected by current sensing mechanism
Drive current adjustment driving wheel 1 and driven pulley 2 gearratio.When the load increase of belt gear, motor
Electric current also can accordingly increase, and can reach a setting in the driving current value according to the driving current of the motor detected
During value, the gearratio of driving wheel 1 and driven pulley 2 is adjusted, so as to change the moment of torsion of motor so that motor is more prone to
Driving load, with the change of gearratio, respective change, the driving of required motor can also occur for the moment of torsion of motor
Electric current can also change therewith, so as to which driving current is remained in a preset range, prevent motor due to
Driving current is excessive and causes power consumption to increase, noise increase.
In the present embodiment, driven pulley 2 include the second wheel disc 8 and the second wheel disc 8 circumference be radially distributed it is more
Individual second telescoping mechanism, the telescopic end of each second telescoping mechanism are respectively arranged with the second belt wheel section 7, and each second belt wheel section 7 is located at
Using the center of circle of driven pulley 2 as on the same circumference in the center of circle and independently of each other, belt 3 is set in the second belt wheel section 7.
Second telescoping mechanism includes the second connecting pole being telescopically disposed in along the radial direction of driving wheel 1 on second wheel disc 8
9, the second belt wheel section 7 is arranged on the external part of the second connecting pole 9 correspondingly.
Belt grooves 10 can also be set in the periphery of the second belt wheel section 7, belt 3 is arranged in belt grooves 10.
The structure of driven pulley 2 is substantially the same with the structure of driving wheel 1, its wheel footpath regulative mode also substantially with driving wheel
1 wheel footpath regulative mode is identical.
Preferably, each second telescoping mechanism synchronization telescope, it can ensure that the flexible amplitude of each second telescoping mechanism is identical, make
The the second belt wheel section 7 for obtaining the telescopic end of each second telescoping mechanism is always positioned on same circumference, can be all the time between belt 3
With good matching relationship, ensure that belt 3 has substantially invariable tension power all the time, improve belt gear and entering
The stability that row gearratio moves when adjusting.
Second telescoping mechanism can be to realize the pressure-driven telescoping mechanism of telescopic drive or using electricity using mechanical work
Power, which is done work, realizes the electromagnetic drive telescoping mechanism of telescopic drive.
In the present embodiment, the second telescoping mechanism is hydraulic cylinder or pneumatic cylinder, when the second telescoping mechanism is hydraulic cylinder, respectively
The liquid feeding end intercommunication of second telescoping mechanism, outlet end intercommunication；When the second telescoping mechanism is pneumatic cylinder, each second telescoping mechanism
Inlet end intercommunication, outlet side intercommunication.When using hydraulic cylinder, because the liquid feeding end intercommunication of each second telescoping mechanism, outlet end are mutual
It is logical, therefore the pressure difference of each hydraulic cylinder is identical, stretches out speed and extension elongation also all same, ensure that each second telescoping mechanism
Telescopic end collapsing length uniformity.Similar with hydraulic cylinder using principle during pneumatic cylinder, I will not elaborate.
Certainly, the second telescoping mechanism can also use electric pushrod, or the expansion link promoted by coil, by applying
Add identical voltage, it is ensured that the collapsing length and flexible speed of electric pushrod and expansion link are consistent.
First telescoping mechanism and the second telescoping mechanism can use identical structure, can also use different structures, only
It is required to during the wheel footpath adjustment of guarantee driving wheel 1 and driven pulley 2, the power tightened of belt is constant.
According to embodiment of the present utility model, washing machine includes belt gear, and the belt gear is above-mentioned
Belt gear.
After washing machine startup, when the clothing for being put into washing machine is more, now motor drives the interior of washing machine
When cylinder rotates, load is larger, and the driving current of motor can be very big, when driving current arrives a certain setting value greatly, controller
Electric signal is obtained, drives each first pulley section 5 of the driving wheel 1 at motor to reduce to contract, the wheel footpath of driving wheel 1,
Each second belt wheel section 7 of driven pulley 2 expands outwardly simultaneously, the wheel footpath increase of driven pulley 2, make belt tighten try hard to keep hold it is constant.
Because the arm of force of now motor reduces, the arm of force increase of load, with dynamic load rotate needed for power reduce, therefore more hold
Easily driving washing machine rotates.At the same time, washing machine monitors the driving current of motor all the time, makes driving current value all the time a certain
In suitable scope.
When washing machine internal eccentricity value is smaller and needs high rotating speed, now needs to give a less gearratio, make
The inner cylinder for obtaining washing machine reaches high rotating speed.The wheel footpath that the wheel footpath for the driving wheel 1 that motor drives increases driven pulley 2 simultaneously subtracts
It is small, and the girth that both zoom in or out is consistent, and ensures that washer belt is tight, so that gearratio diminishes, in motor
In the case that rotating speed is constant so that the inner cylinder of washing machine reaches bigger rotating speed.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.Described above is only preferred embodiment of the present utility model, it is noted that for the art
For those of ordinary skill, on the premise of the utility model technical principle is not departed from, some improvement and modification can also be made,
These improvement and modification also should be regarded as the scope of protection of the utility model.
Claims (15)
1. a kind of belt gear, it is characterised in that including driving wheel (1), driven pulley (2) and be set in the driving wheel
(1) gearratio of the belt (3) and on the driven pulley (2), the driving wheel (1) and the driven pulley (2) is adjustable, the drive
When the gearratio of driving wheel (1) and the driven pulley (2) is adjusted, the skin that matches with the driving wheel (1) and the driven pulley (2)
Band (3) length is constant.
2. belt gear according to claim 1, it is characterised in that the driving wheel (1) includes the first wheel disc (4)
With multiple first telescoping mechanisms for being radially distributed of circumference in first wheel disc (4), each first telescoping mechanism
Telescopic end is respectively arranged with first pulley section (5), each first pulley section (5) be located at using the center of circle of the driving wheel (1) as
On the same circumference in the center of circle and independently of each other, the belt (3) is set on the first pulley section (5).
3. belt gear according to claim 2, it is characterised in that the periphery of the first pulley section (5) is set
There are belt grooves (10).
4. belt gear according to claim 2, it is characterised in that first telescoping mechanism is stretched for pressure-driven
Contracting mechanism or electromagnetic drive telescoping mechanism.
5. belt gear according to claim 2, it is characterised in that each first telescoping mechanism synchronization telescope.
6. belt gear according to claim 5, it is characterised in that first telescoping mechanism is hydraulic cylinder or gas
Cylinder pressure, when first telescoping mechanism is hydraulic cylinder, the liquid feeding end intercommunication of each first telescoping mechanism, outlet end intercommunication；
When first telescoping mechanism is pneumatic cylinder, the inlet end intercommunication of each first telescoping mechanism, outlet side intercommunication.
7. belt gear according to claim 2, it is characterised in that the first telescoping mechanism is included along the driving wheel
(1) radial direction is telescopically disposed in the first connecting pole (6) on first wheel disc (4), and the first pulley section (5) is one by one
It is arranged in correspondence with the external part in first connecting pole (6).
8. belt gear according to claim 7, it is characterised in that first connecting pole (6) and described first
Pressure sensor is provided with the link position of belt wheel section (5).
9. belt gear according to claim 1, it is characterised in that the belt gear also includes driving electricity
Machine and current sensing mechanism, the motor and the driving wheel (1) drive connection, described in the current sensing mechanism detection
The driving current of motor, drive current adjustment of the belt gear according to detected by the current sensing mechanism
The driving wheel (1) and the gearratio of the driven pulley (2).
10. belt gear according to any one of claim 1 to 9, it is characterised in that driven pulley (2) bag
Include the second wheel disc (8) and multiple second telescoping mechanisms for being radially distributed of circumference in second wheel disc (8), each described
The telescopic end of two telescoping mechanisms is respectively arranged with the second belt wheel section (7), and each second belt wheel section (7) is located at the driven pulley
(2) the center of circle is on the same circumference in the center of circle and independently of each other, the belt (3) is set on the second belt wheel section (7).
11. belt gear according to claim 10, it is characterised in that the second telescoping mechanism is included along the driving
The radial direction of wheel (1) is telescopically disposed in the second connecting pole (9) on second wheel disc (8), the second belt wheel section (7) one
One is accordingly arranged on the external part of second connecting pole (9).
12. belt gear according to claim 10, it is characterised in that second telescoping mechanism is pressure-driven
Telescoping mechanism or electromagnetic drive telescoping mechanism.
13. belt gear according to claim 10, it is characterised in that each second telescoping mechanism is synchronously stretched
Contracting.
14. belt gear according to claim 13, it is characterised in that second telescoping mechanism be hydraulic cylinder or
Pneumatic cylinder, when second telescoping mechanism is hydraulic cylinder, the liquid feeding end intercommunication of each second telescoping mechanism, outlet end is mutual
It is logical；When second telescoping mechanism is pneumatic cylinder, the inlet end intercommunication of each second telescoping mechanism, outlet side intercommunication.
15. a kind of washing machine, including belt gear, it is characterised in that the belt gear is claim 1 to 14
Any one of belt gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720567128.5U CN206736563U (en) | 2017-05-18 | 2017-05-18 | Belt transmission mechanism and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720567128.5U CN206736563U (en) | 2017-05-18 | 2017-05-18 | Belt transmission mechanism and washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206736563U true CN206736563U (en) | 2017-12-12 |
Family
ID=60567504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720567128.5U Active CN206736563U (en) | 2017-05-18 | 2017-05-18 | Belt transmission mechanism and washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206736563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012661A (en) * | 2017-05-18 | 2017-08-04 | 珠海格力电器股份有限公司 | Belt transmission mechanism and washing machine |
-
2017
- 2017-05-18 CN CN201720567128.5U patent/CN206736563U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012661A (en) * | 2017-05-18 | 2017-08-04 | 珠海格力电器股份有限公司 | Belt transmission mechanism and washing machine |
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