CN208332832U - A kind of automatic door opening opens drawer - Google Patents
A kind of automatic door opening opens drawer Download PDFInfo
- Publication number
- CN208332832U CN208332832U CN201820702760.0U CN201820702760U CN208332832U CN 208332832 U CN208332832 U CN 208332832U CN 201820702760 U CN201820702760 U CN 201820702760U CN 208332832 U CN208332832 U CN 208332832U
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- microswitch
- shell
- push rod
- door opening
- automatic door
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Abstract
The utility model relates to automation appliance technical fields, it specifically discloses a kind of automatic door opening, open drawer, the upper cover being located on shell including shell and lid, the push rod stretched out by driving mechanism driving with contraction is equipped in shell, the driving mechanism includes primary transmission component, secondary transmission gear and three-level transmission bull wheel, secondary transmission gear is connect with primary transmission component and three-level transmission bull wheel respectively, push rod is equipped with the rack gear connecting with three-level transmission bull wheel, is additionally provided with switch block on three-level transmission bull wheel；Reset spring is additionally provided in the shell, reset spring one end is connected on shell, and the other end is connected on push rod；The primary transmission module outer surface is arranged with shock-absorbing sleeve, and the primary transmission module outer surface of the utility model is arranged with shock-absorbing sleeve, is conducive to reduce the vibration of conduction to shell, reduce noise, overall construction design is reasonable, saves installation space, improves the reliability and stability of work.
Description
Technical field
The utility model relates to automation appliance technical field more particularly to a kind of automatic door opening, open drawer.
Background technique
Nowadays, it has been trend of the times that household appliances product develops to intelligent, humanized direction, and traditional manual opens and closes
Refrigerator doors, refrigerator drawer refrigerator be unable to satisfy consumer demand.
With the development of society being constantly progressive with science and technology, has automatically turn on refrigerator doors on the market, refrigerator is taken out
The intelligent refrigerator of drawer leads to that automatic door opening, to open drawer volume big since structure designs not reasonable, technique require it is high, it is raw
It produces at high cost, is not sufficiently stable when opening and closing refrigerator doors, refrigerator drawer, the vibration of generation and noise are larger, inadequate human nature
Change and intelligence.
Utility model content
In view of the above technical problems, the utility model provide it is a kind of be conducive to reduce conduction to shell vibration, reduce
Noise, hommization and the high automatic door opening of intelligence degree open drawer.
In order to solve the above-mentioned technical problem, concrete scheme provided by the utility model is as follows: a kind of automatic door opening opens drawer
Device is equipped in shell and is pushed away by driving mechanism driving stretching with what is shunk including the upper cover that shell and lid are located on shell
Bar, the driving mechanism include primary transmission component, secondary transmission gear and three-level transmission bull wheel, secondary transmission gear respectively with
Primary transmission component is connected with three-level transmission bull wheel, and push rod is equipped with the rack gear connecting with three-level transmission bull wheel, and three-level transmission is big
Switch block is additionally provided on wheel；Reset spring is additionally provided in the shell, reset spring one end is connected on shell, and the other end connects
It is connected on push rod；The primary transmission module outer surface is arranged with shock-absorbing sleeve.
The primary transmission module outer surface of the utility model is arranged with shock-absorbing sleeve, is conducive to reduce the shake of conduction to shell
It is dynamic, noise is reduced, overall construction design is reasonable, saves installation space, improves the reliability and stability of work.
Preferably, the shock-absorbing sleeve outer surface is equipped with damping rubber, and damping rubber material is that rubber or silica gel etc. are flexible
Elastomer, has the characteristics that damping noise reduction, and damping rubber is set to the upper surface and lower surface of shock-absorbing sleeve, can will generate in shock-absorbing sleeve
Vibration reduce even thoroughly eliminate, avoid vibration conduction to shell, cause the vibration of shell and generate noise.
Preferably, the primary transmission component include motor, the worm screw that is connected to motor, the turbine engaged with worm screw, institute
The ratio wheel for being additionally provided on turbine and coaxially connecting is stated, the ratio wheel is connect with secondary transmission gear, advantageously reduces electricity
The revolving speed of machine output, improves the safety and stability of the automatic door operator.
Preferably, the motor is equipped with braking circuit, can be realized the function that motor quickly stops operating.
Preferably, the switch block includes microswitch and the microswitch driving lever connecting with microswitch, and fine motion is opened
It closes driving lever end to be set in outside the gear shaft of three-level transmission canine tooth, it is convex to be equipped with circular arc in the inside of microswitch driving lever end
It rises, is equipped with and the matched arc groove of circular arc protrusion in the gear shaft upper end of three-level transmission canine tooth.
Preferably, the microswitch include microswitch elastic slice and the microswitch being connect with microswitch elastic slice by
Button, microswitch driving lever starting end face are butted on the side of microswitch elastic slice, and microswitch elastic slice pressing microswitch is pressed
Button realizes switching function.
It is further preferred that the reset spring is located at the top of push rod, and it is arranged in parallel with push rod axis direction.
Preferably, the axis direction of the push rod is equipped with the guide rail cooperated with push rod, and driving mechanism driving push rod is in guide rail
On move back and forth, the extended position for keeping push rod stable and retract shell in, improve the moving stability of push rod.
Preferably, the microswitch driving lever is equipped with guide groove, and the downward vertical of microswitch driving lever is set in shell
There is guide rod, guide rod upper end is protruded into guide groove.
Compared with prior art, the utility model has the beneficial effects that: outside the primary transmission component of 1, the utility model
Surface cover is equipped with shock-absorbing sleeve, is conducive to reduce the vibration of conduction to shell, reduces noise, overall construction design is reasonable, saves peace
Space is filled, the reliability and stability of work are improved；
2, shock-absorbing sleeve upper and lower surfaces are provided with damping rubber, can reduce the vibration generated in shock-absorbing sleeve even thorough
Bottom is eliminated, and is avoided vibration conduction to shell, is caused the vibration of shell and generate noise；
3, it is equipped with braking circuit on motor, can be realized the function that motor quickly stops operating, so that the automatic door opening,
The Whole Response speed for opening drawer is fast；
4, when pushing refrigerator doors or refrigerator drawer open, push rod is ingenious to be resetted by reset spring, so work without motor
Driving push rod resets, and not only controls more flexible, more intelligent, more human nature, and substantially reduces the noise that device work generates.
Detailed description of the invention
Fig. 1 and Fig. 2 is the overall structure diagram of the utility model；
Fig. 3 is the structural schematic diagram of push rod；
Fig. 4 is structural schematic diagram of the primary transmission component in shock-absorbing sleeve；
Fig. 5 is braking circuit schematic diagram on motor；
Wherein, 1 is shell；2 be upper cover；3 be push rod；4 be primary transmission component；41 be motor；42 be worm screw；43 be whirlpool
Wheel；44 be ratio wheel；5 be secondary transmission gear；6 are driven bull wheel for three-level；61 be arc groove；7 be rack gear；8 be switching group
Part；81 be microswitch；811 be microswitch elastic slice；812 be microswitch push-button；82 be microswitch driving lever；821 be to lead
To slot；83 be circular arc protrusion；9 be reset spring；10 be shock-absorbing sleeve；11 be damping rubber；12 be guide rail；13 be guide rod.
Specific embodiment
It is right below in conjunction with the attached drawing of the utility model embodiment in order to which the technical solution of the utility model is described in detail
The technical solution of the utility model embodiment carries out clear, complete description.Obviously, described embodiment is the utility model
A part of the embodiment, instead of all the embodiments.Based on described the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained under the premise of being not necessarily to creative work, belongs to the model of the utility model protection
It encloses.
Embodiment one:
Fig. 1-Fig. 4 is please referred to, a kind of automatic door opening is present embodiments provided, opens drawer, including shell and lid are located at
Upper cover on shell, is equipped with the push rod for stretching out and shrinking by driving mechanism driving in shell, and the driving mechanism includes one
Grade transmission component, secondary transmission gear and three-level are driven bull wheel, and secondary transmission gear is passed with primary transmission component and three-level respectively
Dynamic bull wheel connection, push rod are equipped with the rack gear connecting with three-level transmission bull wheel, are additionally provided with switch block on three-level transmission bull wheel；Institute
It states and is additionally provided with reset spring in shell, reset spring one end is connected on shell, and the other end is connected on push rod；The level-one passes
Dynamic module outer surface is arranged with shock-absorbing sleeve.
Specifically, in order to improve the assembly efficiency, the reliability and stability of intensity and assembly, upper cover and shell pass through spiral shell
Nail connection, push rod is under the driving of driving mechanism in extended position and retraction shell.
Shock-absorbing sleeve outer surface is equipped with damping rubber, and damping rubber material is the flexible elastomers such as rubber or silica gel, has
The characteristics of damping noise reduction, the damping rubber of the present embodiment are set to the upper surface and lower surface of shock-absorbing sleeve, can will generate in shock-absorbing sleeve
Vibration reduce even thoroughly eliminate, avoid vibration conduction to shell, cause the vibration of shell and generate noise.
Primary transmission component includes motor, is connected to motor worm screw, the turbine engaged with worm screw also set on the turbine
There is the ratio wheel coaxially connected, ratio wheel is connect with secondary transmission gear, advantageously reduces the revolving speed of motor output, is improved
The safety and stability of the automatic door operator.
Referring to figure 5., motor is equipped with braking circuit, and braking circuit does not influence motor and rotates and reverse and motor can be made fast
Speed stops operating.Specifically, motor one end is in series with thermistor PTC, thermistor PTC is connected separately with diode D3, MOS
The pole D of pipe Q2A and the pole S of Q2B, wherein resistance R4 and R5, resistance R4 series connection R3 are connected after diode D3 is in parallel with metal-oxide-semiconductor Q2A
In parallel with resistance R5 afterwards, resistance R5 connection motor, the pole G of metal-oxide-semiconductor Q2A is separately connected resistance R3 and R4, the pole the D string of metal-oxide-semiconductor Q2B
Connection is connected with resistance R6 and diode D2, diode D2 connection motor；By being bidirectional brake circuit on motor in this present embodiment
Design, therefore the pole S of diode D4, the pole D of metal-oxide-semiconductor Q1A and Q1B is also respectively connected in the other end of motor, wherein diode D4
Resistance R2 and R7, resistance R2 connection motor in parallel with resistance R2 after resistance R7 series connection R8, MOS are connected after in parallel with metal-oxide-semiconductor Q1A
The pole G of pipe Q1A is separately connected resistance R7 and R8, and the pole D of metal-oxide-semiconductor Q1B is connected in series with resistance R1 and diode D1, diode D1
The other end connect motor；The G of metal-oxide-semiconductor Q2B extremely IN1 mouthful, the G of metal-oxide-semiconductor Q1B extremely IN2 mouthful.
Circuit operation principle are as follows: the first situation is VCC when IN2 mouthfuls, and IN1 mouthfuls are GND.When electrical power works, Q2B
N-MOS G electrode potential is GND, and Q2B is not turned on.Q1B N-MOS G electrode potential is VCC, Q1B conducting, due to the list of diode D1
To conduction, so that electric current is without Q1B.Since Q2A internal diode is in parallel with diode D3, diode D3 clamper, so that
Q1A P-MOS G electrode potential is GND, Q1A conducting.Q2A P-MOS G electrode potential is VCC, and Q2A is not turned on.Current of electric is by IN2
Mouth flows to GND by Q1A, motor, thermistor PTC and diode D3 and Q2A parallel circuit.
After power-off, IN1 mouthfuls and IN2 mouthfuls of no-voltage inputs, due to motor characteristic, can persistently there be voltage at motor both ends.Two
Pole pipe D3 cut-off, Q2B N-MOS G electrode potential are high level, Q2B conducting.Q1B N-MOS G electrode potential is high level, and Q1B is led
It is logical, due to the one-way conduction of diode D1, so that electric current is without Q1B.Current of electric by motor pass by D2, R6, Q2B,
PTC flow direction motor is negative, and by resistance R6 dynamic braking, motor voltage difference of the two ends drops to rapidly 0V, realizes that motor quickly stops turning
Dynamic function.
Second situation is VCC when IN1 mouthfuls, and IN2 mouthfuls are GND.When electrical power works, Q1B N-MOS G electrode potential is
GND, Q1B are not turned on.Q2B N-MOS G electrode potential is VCC, Q2B conducting, due to the one-way conduction of diode D2, so that electric
Stream is without Q2B.Q1A internal diode is in parallel with diode D4, diode D4 clamper, so that Q2A P-MOS G electrode potential is
GND, Q2A conducting.Q1A P-MOS G electrode potential is VCC, and Q1A is not turned on.Current of electric passes through Q2A, motor, temperature-sensitive by IN1 mouthfuls
Resistance PTC and diode D4 and Q1A parallel circuit flow to GND.
After power-off, IN1 mouthfuls and IN2 mouthfuls of no-voltage inputs, due to motor characteristic, can persistently there be voltage at motor both ends.Two
Pole pipe D4 cut-off, Q1B N-MOS G electrode potential are high level, Q1B conducting.Q2B N-MOS G electrode potential is high level, and Q2B is led
It is logical, due to the one-way conduction of diode D2, so that electric current is without Q2B.Current of electric by motor pass by D1, R1, Q1B,
PTC flow direction motor is negative, and by resistance R1 dynamic braking, motor voltage difference of the two ends drops to rapidly 0V, realizes that motor quickly stops turning
Dynamic function.
Switch block includes microswitch and the microswitch driving lever connecting with microswitch, microswitch driving lever end set
Outside gear shaft loaded on three-level transmission canine tooth, it is equipped with circular arc protrusion in the inside of microswitch driving lever end, is driven in three-level
The gear shaft upper end of canine tooth be equipped with the matched arc groove of circular arc protrusion, state microswitch include microswitch elastic slice and with it is micro-
The microswitch push-button of dynamic switch shrapnel connection, microswitch driving lever starting end face are butted on the side of microswitch elastic slice,
Microswitch elastic slice presses microswitch push-button, realizes switching function.
Microswitch driving lever is equipped with guide groove, and the downward vertical of microswitch driving lever is equipped with guide rod in shell, leads
It is protruded into guide groove to bar upper end.
In the specific implementation process, which opens drawer and is in initial retracted mode the present embodiment, when
After motor receives enabling or opens drawer signal, motor starts turning work, and worm screw rotation is driven when motor rotates, and worm screw drives whirlpool
Wheel rotation, ratio wheel is coaxially connected with turbine, and is connect with secondary transmission gear, therefore secondary transmission gear is in ratio wheel
Drive lower rotation, secondary transmission gear drives three-level transmission bull wheel rotation, three-level transmission gear during rotation, microswitch
Driving lever originates end in contact microswitch elastic slice, and microswitch elastic slice is pressurized, and the microswitch elastic slice of compression squeezes microswitch and presses
Button, then motor keeps work, and the tooth section of three-level transmission bull wheel then drives the rack gear on push rod to be displaced outwardly, and push rod is made to stretch out shell
Body completion pushes or pushes away drawer movement, and push rod draws high reset spring.
When push rod extended position in place after, three-level transmission bull wheel gear shaft upper end arc groove be right up to microswitch
The circular arc raised position of driving lever, it is micro- under the driving of microswitch elastic slice, and under the guiding role of guide groove and guide rod
Dynamic switch shrapnel driving microswitch driving lever is mobile, falls into circular arc protrusion in arc groove, microswitch push-button is detached from elastic slice
After pressing, motor stalls, and just operation to top, three-level is driven bull wheel and tooth in the middle part of the hypodontia section of three-level transmission bull wheel
Item completely disengages engagement, and under reset spring own resilient restitution, reset spring drives the mobile contracting of push rod net opposite direction
Return to initial position.
The noise that shell is issued is touched in order to reduce push rod push rod in extending and retracting moving process, in shell
The starting point extending direction of push rod is equipped with convex block, is equipped with noise reduction cushion rubber in the outer peripheral surface of convex block, noise reduction cushion rubber is by soft material
It is made, so that push rod is after retracting in place, noise reduction cushion rubber first touches shell, makes an uproar to substantially reduce.
In order to facilitate the movement and reset of push rod, reset spring is located at the top of push rod, and flat with push rod axis direction
Row setting, the axis direction of push rod are equipped with the guide rail cooperated with push rod, and driving mechanism driving push rod moves back and forth on guide rail, makes
In the stable extended position of push rod and retraction shell, the moving stability of push rod is improved.
In conclusion the primary transmission module outer surface of the utility model is arranged with shock-absorbing sleeve, be conducive to reduce conduction extremely
The vibration of shell reduces noise；Shock-absorbing sleeve upper and lower surfaces are provided with damping rubber, the vibration that can will be generated in shock-absorbing sleeve
It reduces and even thoroughly eliminates, avoid vibration conduction to shell, cause the vibration of shell and generate noise, overall construction design is closed
Reason, saves installation space, improves the reliability and stability of work.
The embodiments of the present invention is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
Above embodiment can also not depart from the utility model within the knowledge of a person skilled in the art
Various changes can be made under the premise of objective.
Claims (9)
1. a kind of automatic door opening opens drawer, it is located at the upper cover (2) on shell (1) including shell (1) and lid, in shell (1)
It is interior to be equipped with the push rod (3) stretched out by driving mechanism driving with contraction, it is characterised in that: the driving mechanism includes primary transmission
Component (4), secondary transmission gear (5) and three-level transmission bull wheel (6), secondary transmission gear (5) respectively with primary transmission component (4)
With three-level transmission bull wheel (6) connection, push rod (3) is equipped with the rack gear (7) connecting with three-level transmission bull wheel (6), and three-level transmission is big
Switch block (8) are additionally provided on wheel (6)；
It is additionally provided with reset spring (9) in the shell (1), reset spring (9) one end is connected on shell (1), other end connection
In on push rod (3)；
Primary transmission component (4) outer surface is arranged with shock-absorbing sleeve (10).
2. automatic door opening according to claim 1 opens drawer, it is characterised in that: shock-absorbing sleeve (10) outer surface
Equipped with damping rubber (11).
3. automatic door opening according to claim 2 opens drawer, it is characterised in that: primary transmission component (4) packet
Include motor (41), the worm screw (42) that connect with motor (41), the turbine (43) engaged with worm screw (42), on the turbine (43) also
Equipped with the ratio wheel (44) coaxially connected, the ratio wheel (44) connect with secondary transmission gear (5).
4. automatic door opening according to claim 3 opens drawer, it is characterised in that: the motor is equipped with brake electricity
Road.
5. automatic door opening according to claim 1 opens drawer, it is characterised in that: the switch block (8) includes micro-
Dynamic switch (81) and the microswitch driving lever (82) connecting with microswitch (81), microswitch driving lever (82) end is set in three
Outside the gear shaft of grade transmission bull wheel (6), it is equipped with circular arc protrusion (83) in the inside of microswitch driving lever (82) end, in three-level
The gear shaft upper end for being driven bull wheel (6) is equipped with and raised (83) the matched arc groove (61) of circular arc.
6. automatic door opening according to claim 5 opens drawer, it is characterised in that: the microswitch (81) includes
Microswitch elastic slice (811) and the microswitch push-button (812) connecting with microswitch elastic slice (811), the microswitch are dialled
Bar (82) starting end face is butted on the side of microswitch elastic slice (811).
7. automatic door opening according to claim 1 to 6 opens drawer, it is characterised in that: the reset bullet
Spring (9) is located at the top of push rod (3), and is arranged in parallel with push rod (3) axis direction.
8. automatic door opening according to claim 7 opens drawer, it is characterised in that: the axis direction of the push rod (3)
Equipped with the guide rail (12) cooperated with push rod (3).
9. automatic door opening according to claim 5 opens drawer, it is characterised in that: the microswitch driving lever (82)
It is equipped with guide groove (821), the downward vertical of microswitch driving lever (82) is equipped with guide rod (13) in shell, guide rod (13)
Upper end is protruded into guide groove (821).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820702760.0U CN208332832U (en) | 2018-05-11 | 2018-05-11 | A kind of automatic door opening opens drawer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820702760.0U CN208332832U (en) | 2018-05-11 | 2018-05-11 | A kind of automatic door opening opens drawer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208332832U true CN208332832U (en) | 2019-01-04 |
Family
ID=64777681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820702760.0U Active CN208332832U (en) | 2018-05-11 | 2018-05-11 | A kind of automatic door opening opens drawer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208332832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750926A (en) * | 2019-02-19 | 2019-05-14 | 南京中竞科电子科技有限公司 | A kind of refrigerator and control method of the automatic door operator with clutch |
| CN111609602A (en) * | 2020-04-14 | 2020-09-01 | 合肥华凌股份有限公司 | Refrigerator with a door |
-
2018
- 2018-05-11 CN CN201820702760.0U patent/CN208332832U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750926A (en) * | 2019-02-19 | 2019-05-14 | 南京中竞科电子科技有限公司 | A kind of refrigerator and control method of the automatic door operator with clutch |
| CN109750926B (en) * | 2019-02-19 | 2023-08-04 | 南京中竞科电子科技有限公司 | Refrigerator with clutch mechanism and automatic door opening device and control method |
| CN111609602A (en) * | 2020-04-14 | 2020-09-01 | 合肥华凌股份有限公司 | Refrigerator with a door |
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