CN104329885B - Automatic door operator and there is the refrigerator of this device - Google Patents
Automatic door operator and there is the refrigerator of this device Download PDFInfo
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- CN104329885B CN104329885B CN201410405542.7A CN201410405542A CN104329885B CN 104329885 B CN104329885 B CN 104329885B CN 201410405542 A CN201410405542 A CN 201410405542A CN 104329885 B CN104329885 B CN 104329885B
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- automatic door
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- 230000005540 biological transmission Effects 0.000 claims abstract description 76
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 34
- 230000006698 induction Effects 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000001737 promoting effect Effects 0.000 claims description 4
- 230000021615 conjugation Effects 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000002337 anti-port Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/028—Details
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a kind of automatic door operator and be provided with the refrigerator of this device.Described automatic door operator includes pedestal, drives source component, impeller, transmission body, control device.Described transmission body includes travelling gear and the transmission chi being arranged between travelling gear and impeller.Transmission chi have be arranged at side with the input tooth bar of travelling gear engaged transmission and be arranged at the output tooth bar of transmission chi opposite side.Described impeller has the driver plate being rotationally fixed on pedestal and fixes the push rod being connected with driver plate.Described driver plate has disk body and the driven tooth bar being arranged on disk body outer peripheral face.Described impeller is set to: when travelling gear promotes transmission chi to move by input tooth bar, described output tooth bar engages with the driven tooth bar on described driver plate mobile and makes driver plate drive push rod to stretch out to external rotation.
Description
Technical field
The present invention is about a kind of automatic door operator and the tool refrigerator of this device.
Background technology
Along with improving constantly of people's living standard, consumption idea also there occurs change greatly.Appearance looks elegant is generous, volume is big, the refrigerator of feature richness has become market favorite.But, while refrigerator volume increases, the door seal suction of corresponding door body or the weight of drawer load and door body or drawer-type door body is the biggest, thereby results in increasing user feedback refrigerator door and is difficult to open.
Therefore, it is necessary to provide the automatic door operator of a kind of improvement and there is the refrigerator of this device to solve the problems referred to above.
Summary of the invention
Present invention aim at providing a kind of automatic door operator being easy to open door body and the refrigerator of this device of tool.
The present invention can be achieved through the following technical solutions: a kind of automatic door operator, including: pedestal；Driving source component, is fixed in pedestal；Impeller, is used for promoting door body；Transmission body, it is arranged between driving source component and impeller, described transmission body includes travelling gear and the transmission chi being arranged between travelling gear and impeller, transmission chi have be arranged at side with the input tooth bar of travelling gear engaged transmission and be arranged at the output tooth bar of transmission chi opposite side;Control device, be electrically connected with described driving source component；Wherein, described impeller has the driver plate being rotationally fixed on pedestal and fixes the push rod being connected with driver plate；Described driver plate has disk body and the driven tooth bar being arranged on disk body outer peripheral face, described impeller is set to: when travelling gear promotes transmission chi to move by input tooth bar, described output tooth bar engages with the driven tooth bar on described driver plate mobile and makes driver plate drive push rod to stretch out to external rotation.
As a further improvement on the present invention, described transmission chi is arranged at intervals with output tooth bar described in two groups, described automatic door operator includes impeller described in two groups coordinated respectively with two groups of output tooth bars, two door body are opened with correspondence, impeller described in two groups is set to: when two door body are closed, in impeller described in two groups is housed in pedestal and extend towards；When described transmission chi is urged away from that wherein an impeller moves, this wherein an impeller be output tooth bar and promote and stretch out to external rotation.
As a further improvement on the present invention, described output tooth bar is set to the driven tooth bar of driver plate: when transmission chi moves, and described output tooth bar and driven tooth bar cooperate and the constant-torque of the source of driving component input be converted into the output moment of torsion persistently changed and be supplied to push rod.
As a further improvement on the present invention, described input tooth bar extends along transmission chi length direction, and described output tooth bar is compared input tooth bar and tilted to extend, and described driver plate is an eccentric gear.
As a further improvement on the present invention, induction part the most also it is arranged at intervals with on described transmission chi, it is interior with the sensing mechanism matched with induction part that described automatic door operator also includes being fixed on pedestal, described sensing mechanism is electrically connected with controlling device, described sensing mechanism and induction part are set to: when door body is closed, and described sensing mechanism abuts with a wherein induction part；When transmission chi moves and makes door body open, described sensing mechanism abuts with another induction part, and described control device controls impeller described in the member drives of driving source according to sensing mechanism from the abutting state of different induction parts and stretches out or return.
As a further improvement on the present invention, described input tooth bar and output tooth bar are parallel, described transmission body also includes conjugate tooth group, described travelling gear is arranged on the outfan of described conjugate tooth group, wherein said driving source component provides input torque for conjugate tooth group, and conjugate tooth group is configured to that this input torque is converted into the output moment of torsion persistently changed and is supplied to travelling gear.
As a further improvement on the present invention, the opening procedure of door body is arranged and is divided into three opening stage by described automatic door operator, it is respectively as follows: the first opening stage overcoming suction He being automatically switched off coupling mechanism force, depart from the second opening stage driven, and door body the 3rd opening stage of movement under effect of inertia with door body in the first stage to automatic door operator；Described conjugate tooth group is changed to first be gradually increased in original state to the gear ratio that the second opening stage terminates, then is gradually reduced, and the maximum point of the gear ratio of wherein said conjugate tooth group falls in the first opening stage.
As a further improvement on the present invention, described conjugate tooth group includes the eccentric gear by described driving source member drives and the non-circular gear being conjugated with this eccentric gear, and described driver plate is coaxial with above-mentioned non-circular gear.
As a further improvement on the present invention, described driving source component includes the motor being fixedly installed in pedestal, is arranged on the gear train of motor output end.
The present invention realizes also by techniques below scheme: a kind of refrigerator, including having the casing of a room, the drawer being arranged on casing and opening or closing the door body of a room, described refrigerator is provided with to open the automatic door operator described in described drawer or door body.
Compared to prior art, automatic door operator of the present invention orders about transmission body by control device control driving source component and power output is passed to impeller, impeller is rotated stretch out and door body backed down, can thus be when user needs to open the door and power-assisted is provided, when user is opened the door convenient and strength-saving, bring comfort and convenience to the use of refrigerator.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of automatic open device one of the present invention preferred embodiment.
Fig. 2 is the automatic door operator axonometric chart when an impeller is released in Fig. 1.
Fig. 3 is the three-dimensional exploded view of automatic door operator in Fig. 1.
Fig. 4 is top view during automatic door operator removal lid in Fig. 1.
Fig. 5 is the view of a wherein impeller push of automatic door operator in Fig. 4.
Fig. 6 is a schematic diagram during automatic door operator impeller release wherein in Fig. 4.
Fig. 7 is the part-structure schematic diagram of another preferred embodiment of automatic door operator of the present invention.
Fig. 8 is the part-structure axonometric chart of refrigerator of the present invention.
Specific embodiment
Describe the present invention below with reference to each embodiment shown in the drawings.But these embodiments are not limiting as the present invention, structure, method or conversion functionally that those of ordinary skill in the art is made according to these embodiments are all contained in protection scope of the present invention.
In following description of the invention, it is to be understood that: " front " therein i.e. refers to the direction near user, and " afterwards " i.e. refers to the direction away from user, and " left " i.e. instigates the left side of user, and " right " i.e. instigates the right side of user.Below about direction "front", "rear", "left", "right" description in, without specified otherwise, be all understood in this way.
A preferred embodiment of automatic door operator 100 of the present invention it is shown referring to figs. 1 to Fig. 6, automatic door operator 100 of the present invention can be applied to any equipment needing to use electric opening, on refrigerator, and it is installed on the door body of equipment or the door body rear of drawer, to be made the door body of drawer on the door body of equipment or equipment open by pushing tow mode.Described automatic door operator 100 include pedestal 1, be fixed in pedestal 1 drive source component 2, for the impeller 3 promoting door body, the transmission body 4 being connected between driving source component 2 and impeller 3, the sensing mechanism 5 being fixed in pedestal 1 and be electrically connected with sensing mechanism 5 and the control device (not shown) of the source of driving component 2.Automatic open device 100 of the present invention is in order to two door body of electric opening, thus is correspondingly arranged on impeller 3 described in two groups；Certainly, it is possible to impeller 3 described in a group is only set with one door body of electric opening.
In conjunction with shown in Fig. 1 to Fig. 4, described pedestal 1 is a rectangular box shape structure, and it includes the box body 11 mutually fastened and lid 12 and the containing cavity 13 being formed between box body 11 and lid 12.
Described box body 11 has the diapire 111 towards lid 12 and extends the perisporium formed from diapire 111 surrounding respectively towards lid 12 direction.Described perisporium includes the antetheca 112 being oppositely arranged and rear wall 113 and two sidewalls 114 being oppositely arranged.
In the present embodiment, described antetheca 112 is formed for two strip openings 1120 that impeller 3 described in two groups stretches out respectively, and two openings 1120 extend the most in left-right direction.Certainly, when only arranging one group of impeller 3, a described opening 1120 can be offered accordingly.
Described diapire 111 is disposed with to house the resettlement section 115 of impeller 3 from front to back, left and right directions extends strip guide rail 116, fix groove 119 in order to detent mechanism 117, first rotating shaft 118 of orientation sensing mechanism 5 and motor and be arranged on motor and fix the second rotating shaft 1191 of groove 119 side.
Described resettlement section 115 is connected with two openings 1120, and is equipped with a pivot 1151 respectively at two ends, left and right.When only arranging impeller 3 described in a group, a pivot 1151 can be set in one end of resettlement section 115.
Described detent mechanism 117 include some extend to lid 12 direction snap fit 1171, the chute 1172 being formed between snap fit 1171, protrude into the baffle plate 1173 inside chute 1172, be positioned at the chute 1172 positioning boss 1174 near guide rail 116 side, described chute 1171 extends along the direction of vertical guide rail 116, and described baffle plate 1173 is arranged on the chute 1172 side away from guide rail 116.Described positioning boss 1174 is formed with the accepting groove 1175 connected with described chute 1172.
Shown in Fig. 3, Fig. 4, in the present embodiment, described driving source component 2 includes being fixedly installed on motor 21, the worm screw 22 being arranged on motor 21 outfan that the motor of pedestal 1 fixes in groove 119, rotates, by the second rotating shaft 1191, the output gear 24 that the worm gear 23 being fixed in pedestal 1 is coaxially disposed with described worm gear 23.Described worm screw 22 is meshed with worm gear 23, to drive worm gear 23 to rotate when motor 21 works by worm screw 22, and then is exported by output gear 24.Described worm gear 23 forms gear train with output gear 24.
Described transmission body 4 includes the travelling gear 41 engaged with output gear 24 and the transmission chi 42 being arranged between travelling gear 41 and impeller 3.Described travelling gear 41 is fixed in pedestal 1 by the first rotating shaft 118.Described transmission chi 42 is provided with, towards the side of diapire 111, the chute 420 being slidably matched with described guide rail 116.
Transmission chi 42 also have be arranged at side with the input tooth bar 421 of travelling gear 41 engaged transmission and be arranged at the output tooth bar 422 of transmission chi 42 opposite side.In the present embodiment, impeller 3 described in corresponding two groups, described output tooth bar 422 is set to two and is disposed on the two ends of transmission chi 42.Described output tooth bar 422 is compared input tooth bar 421 and is tilted extended, and inputs tooth bar 421 between two described output tooth bars 422.Described input tooth bar 421 is positioned at the centre position on rear side of transmission chi 42.Induction part the most also it is arranged at intervals with on described transmission chi 42.In the present embodiment, for convenience of the setting of sensing mechanism 5, described induction part is arranged on the side of described input tooth bar 421 along transmission chi 42 length direction, is specially arranged on left side, certainly may also be arranged on right side.Described induction part is the projection of projection backward, when being provided only with one group of impeller 3, spaced two projections can be set, i.e. two induction parts, to detect reset state and the release state of impeller 3 respectively, that is when door body is closed, described sensing mechanism 5 abuts with a wherein induction part；When transmission chi 42 moves and makes door body open, described sensing mechanism 5 abuts with another induction part, controls device and drives described impeller 3 stretch out or return according to this reset state and release state control driving source component 2.
In the present embodiment, three, left, center, right induction part 423,424,425 it is arranged at intervals with along its length on described transmission chi 42, described sensing mechanism 5 and induction part are set to: when door body is closed, and described sensing mechanism 5 abuts with middle induction part 424；When left side in two door body or right side door body are opened, described sensing mechanism 5 abuts with left induction part 423 or right induction part 425, and described control device controls driving source component 2 according to the abutting state of three induction parts in sensing mechanism 5 and left, center, right 423,424,425 and drives described impeller 3 stretch out or return.
Each described impeller 3 has the driver plate 31 being rotationally fixed on pedestal 1 by pivot 1151 and the push rod 32 that be connected fixing with driver plate 31.Described driver plate 31 is positioned at outside output tooth bar 422 and has disk body 311 and the driven tooth bar 312 being arranged on disk body 311 outer peripheral face.In the present embodiment, described driver plate 31 is the driving plate gear that a rotation is fixed on pivot 1151, and described push rod 32 is also secured on this pivot 1151 and is positioned on the upside of the disk body 311 of driver plate 31 or downside；Certainly, it is possible to this driver plate 31 and push rod 32 are set to one, i.e. driver plate 31 and are molded directly within one end of described push rod 32, the most also purpose of attainable cost invention.
Additionally, in conjunction with shown in Fig. 3 to Fig. 6, in the present embodiment, the process of door body is opened in order to make automatic door operator 100 of the present invention can react people the most truly, being set to by the driven tooth bar 312 of described output tooth bar 422 with driver plate 31: when transmission chi 42 moves, the driven tooth bar 312 of described output tooth bar 422 and driver plate 31 cooperates and the constant-torque that the source of driving component 2 inputs is converted into the output moment of torsion persistently changed and is supplied to push rod 32.In that case, input tooth bar 421 described in the present embodiment to extend along transmission chi 42 length direction, described output tooth bar 422 is compared input tooth bar 421 and is tilted extended, described driver plate 31 is formed by the eccentric gear of an abnormity, and the special-shaped arcuation of the described the most inclined extension of driven tooth bar 312 is arranged, with the movement that is meshed with described output tooth bar 422 when transmission chi 42 moves.Certainly, described output tooth bar 422 also can be arranged in parallel with described input tooth bar 421, and now, described driver plate 31 can be in a Knucle-gear or sector gear is equipped with described output tooth bar 422.
Described impeller 3 is set to: when two door body are closed, and in impeller 3 described in two groups is housed in the resettlement section 115 of pedestal 1 and extend towards, impeller 3 described in two groups can be divided into left side impeller and right side impeller；Promote transmission chi 42 towards deviating from a wherein impeller 3(for example, left side impeller 3 at travelling gear 41 by input tooth bar 421) mobile time, described output tooth bar 422 near left side impeller 3 starts to engage with the driven tooth bar 312 of the described driver plate 31 on left side impeller 3, and promote driven tooth bar 312 to move by output tooth bar 422, and then make driver plate 31 drive push rod 32 to stretch out to external rotation around pivot 1151, even if also left side impeller 3 stretches out to external rotation and backs down the door body of correspondence.
In conjunction with shown in Fig. 3 to Fig. 6, each described sensing mechanism 5 has the second switch part 52 in the first switch member 51 in the accepting groove 1175 being fixed on pedestal 1, the chute 1172 being fixed on pedestal 1 that slides.In the present embodiment, described second switch part 52 includes the fixed mount 521 being fixed in chute 1172, the flexible member 523 being arranged on fixed mount 521 between the contact element 522 being turned on or off with the first switch member 51, the baffle plate 1173 being clamped and fastened in fixed mount 521 and chute 1172.Described fixed mount 521 has the conflict projection 5211 towards transmission chi 42 direction projection, described conflict projection 5211 and the first switch member 51 stagger setting along pedestal 1 thickness direction, and described first switch member 51 is correspondingly arranged along chute 1172 bearing of trend with contact element 522.In the present embodiment, described flexible member 523 is a stage clip.
Described sensing mechanism 5 is set to: when described conflict projection 5211 conflicts each induction part 423,424,425, described second switch part 52 is supported mobile and makes contact element 522 disconnect with the first switch member 51；When described conflict projection 5211 departs from each induction part 423,424,425, described second switch part 52 resets under the effect of flexible member 523 and makes contact element 522 turn on the first switch member 51.
In conjunction with Fig. 4 to shown in 6, described sensing process particularly as follows:
Under two door body are in the original state closed, two impellers 3 are housed in resettlement section 115, on described driver plate 31, the initiating terminal of driven tooth bar 312 offsets with the medial extremity of output tooth bar 422 on transmission chi 42, in described sensing mechanism 5, the conflict projection 5211 of second switch part 52 offsets with projecting outwardly of middle induction part 424, flexible member 523 is in compressive state, and described first switch member 51 disconnects with the contact element 522 in second switch part 52；
nullWhen controlling device and receiving signal (this signal can be triggered with the soft-touch control controlling device electric connection by arrange in this door body) that one of them door body needs to open，The motor 21 controlled in device control driving source component 2 rotates，Motive force is transferred to the impeller 3 corresponding with this door body by transmission body 4 by motor 21，Such as left side impeller 3，I.e. input tooth bar 421(is promoted i.e. to promote transmission chi 42 by travelling gear 41) move towards the right direction away from left side impeller 3，Engaged transmission is started with the driven tooth bar 312 of the described driver plate 31 on left side impeller 3 near the described output tooth bar 422 of left side impeller 3，And promote driven tooth bar 312 to move by output tooth bar 422，And then make driver plate 31 drive push rod 32 to stretch out to external rotation，Even if also left side impeller 3 stretches out the door body backing down correspondence to external rotation.
Additionally, in above-mentioned door body opening procedure, when the middle induction part 424 on transmission chi 42 departs from sensing mechanism 5, due to the effect of the restoring force of flexible member 523, forcing second switch part 52 to move towards transmission chi 42 direction, the contact element 522 on second switch part 52 contacts conducting with the first switch member 51, thus send a signal to controlling device, informing that motor 21 continues to run with, described transmission chi 42 continues to promote right lateral, and left side impeller 3 continues to stretch out to external rotation；When the conflict projection 5211 on second switch part 52 abuts to left side induction part 423, second switch part 52 is supported by the second induction part 35 and moves towards the direction deviating from transmission chi 42, the first switch member 51 is made to depart from the contact element 522 in second switch part 52 and disconnect, it be simultaneously emitted by signal to controlling device, control device and control motor 21 antiport, transmission chi 42 is transmitted gear 41 and drives the most mobile, and on the left of drive, impeller 3 reverse rotation is return simultaneously；When the conflict projection 5211 run on second switch part 52 abuts to middle induction part 424, first switch member 51 again departs from the contact element 522 in second switch part 52 and disconnects, and send playback signal to controlling device, control device control motor 21 to shut down, left side impeller 3 is retracted into original state, thus completes a cycle of operation.
In this pushing course, right side impeller 3 because of depart from right side export the engaging of tooth bar 422, do not rotate, thus transmission chi 42 only can promote described left side impeller 3 to move when moving in above-mentioned cycle of operation, and then open left side door body, thus can effectively prevent two door body to be controlled simultaneously and open and cause power consumption higher and cold air leakage.
Additionally, the unlatching operation of right side door body is identical with described above, simply the direction of rotation of motor 21 is the most contrary, transmission chi 42 is first rotated towards left direction, and then make output tooth bar 422 and right side impeller 3 engaged transmission on right side, and then impeller 3 stretches out on the right side of promoting, and when sensing mechanism 5 conflicts right induction part 425, more reverse movement is return.
In addition, with reference to shown in Fig. 7, another preferred embodiment as the present invention, in this embodiment, described output tooth bar 422 ' be arranged in parallel with described input tooth bar 421 ', now, described driver plate 31 ' can be in a Knucle-gear or sector gear is equipped with described output tooth bar 422 ', in that case, in order to make electric opening door body react people truly open the process of door body, will door body opening procedure arrange be divided into three opening stage, it is respectively as follows: the first opening stage overcoming suction He being automatically switched off coupling mechanism force, depart from, with door body, the second opening stage driven in the first stage to automatic door operator, and door body the 3rd opening stage of movement under effect of inertia；Transmission body 4 ' in the present invention arranges a conjugation gear train, described conjugate tooth group specifically may be provided between output gear 24 ' and travelling gear 41 ', and be mainly used in the pushing course that door body is opened, from original state to the second opening stage, the most constant input provided by motor 21 ' is changed into the output of the lasting change meeting demand, and then it being supplied to impeller 3 ' so that door body can be opened continued smooth.
It addition, because the power that motor 21 ' etc. drive source is fixing, thus according to rating formula:
P=(T × n)/9550=F0 × V0,
Wherein T=T0/I；T0=F0×r；
Then understand P=(F0 × r × n)/(9550 × I)=F0 × V0;
Wherein, P is output power of motor, T is motor output torque, n is Rated motor rotating speed, F0 is power output, V0 is the speed (being the speed that impeller 3 ' runs) of output, T0 is the output moment of torsion of whole opening device, I be the gear ratio of whole opening device (in the present embodiment, mainly the gear ratio of conjugate tooth group is set to change, so this gear ratio can individually illustrate with the gear ratio of conjugate tooth group, and this gear ratio is a value persistently changed), r is the radius (such as the radius of the travelling gear 41 ' in the present embodiment) of the afterbody output gear coordinating transmission in transmission body 4 ' with transmission chi 42 '.
It can be seen that when selecting common transmission body, gear ratio I is certain value from above-mentioned formula, driving the power P of source motor and rotating speed n certain, power output F0 is also certain；If gear ratio I is change, then output torque T 0 and power output F0 can also be changes.But from formula it is also seen that, rated power P mono-timing when motor, linear velocity V0 and power output F0 released are inversely proportional to, thus with reference to foregoing description, because door body is in opening procedure, overcoming, power output F0 needed for being automatically switched off in the moving process of coupling mechanism force is increasing, then the speed in this stage can need not the biggest, substantially in the trend slowed down gradually, the torque T of such motor can be substantially reduced.And at different rates and try hard to recommend opening door body for realizing automatic door operator in the different time, the maximum of speed maximum and opening force is staggered simultaneously, essentially consist in the setting of the gear ratio I of conjugate tooth group.
Summary content, the gear ratio change that described conjugate tooth group terminates in original state to the second opening stage is set to first be gradually increased by automatic door operator of the present invention, it is gradually reduced again, and makes the maximum point of the gear ratio of described conjugate tooth group fall in the first opening stage.After being arranged by this kind, can make at the critical point of the first opening stage, driving source only needs to overcome and is automatically switched off coupling mechanism force and frictional force, will stagger the maximum of opening force of the speed maximum opened of door body and automatic door operator 100 ' of the present invention, the power of required input source will be substantially reduced, thus reduce energy consumption, and door body can be made steadily to open.
For reaching the effect above, and enable to door body and can open continued smooth, described conjugate tooth group is set to the eccentric gear 43 ' that driven by described driving source component 2 ' by the present embodiment and the non-circular gear 44 ' that is conjugated with this eccentric gear 43 ' forms.Now, described eccentric gear 43 ' is set to neutralize the coaxial setting of input gear 40 ' of described output gear 24 ' engaged transmission with described transmission body 4 ', described non-circular gear as the outfan of conjugate tooth group and the coaxial setting of described travelling gear 41 ', the most also purpose of attainable cost invention.
Make impeller 3 ' door body can be promoted to move ahead with the speed persistently changed it addition, the conjugate tooth group that in the above-mentioned specific embodiment of the present invention, main employing non-circular gear and eccentric gear are formed is reached at different time；Certainly, from above-mentioned rating formula, described conjugate tooth group is also designed to by two the mutual transmissions of non-circular gear being conjugated, as long as disclosure satisfy that so that carrying out according to the dynamics substantially similar with human body opening procedure and velocity variations in door body opening procedure, it the most also can reach the effect making impeller 3 ' door body can be promoted to move ahead with the speed persistently changed at different time.Now, wherein a non-circular gear is set to and the coaxial setting of input gear 40 ' of described output gear 24 ' engaged transmission, and another non-circular gear is as the outfan of conjugate tooth group and the coaxial setting of described travelling gear 41 '.
Summary describes and understands, and in this another preferred embodiment, described automatic door operator 100 ' can be not only that user needs to provide power-assisted during enabling so that convenient and strength-saving when user opens the door；But also door body opening procedure can be made to react human body the most truly and open the process of door body so that opening of door body can be carried out continued smooth.
The feature of summary automatic door operator 100,100 ', shown in Fig. 8, present invention also offers a kind of refrigerator 800, the drawer (not shown) including the casing 81 with a room, being arranged on casing 81, the door body 82 opening or closing a room and described automatic door operator 100,100 '.It is used for opening the described automatic open device 100,100 ' of drawer and may be provided between drawer door body rear indoor, it is possible to be arranged at drawer rearward position etc., the purpose of equal attainable cost invention;The front side of casing 81 top or central dividing plate it is arranged on for opening the described automatic open device 100,100 ' of door body 82.
It can thus be appreciated that, automatic door operator 100,100 ' of the present invention controls driving source component 2,2 ' and orders about transmission body 4,4 ' by controlling device power output passes to impeller 3,3 ', impeller 3,3 ' is rotated stretch out and door body backed down, can thus be when user needs to open the door and power-assisted is provided, when user is opened the door convenient and strength-saving, bring comfort and convenience to the use of refrigerator.
It is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should be using description as an entirety, technical scheme in each embodiment can also form, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that.
The a series of detailed description of those listed above is only for illustrating of the possible embodiments of the present invention; they also are not used to limit the scope of the invention, and all Equivalent embodiments or changes made without departing from skill of the present invention spirit should be included within the scope of the present invention.
Claims (10)
1. an automatic door operator, including:
Pedestal；
Driving source component, is fixed in pedestal；
Impeller, is used for promoting door body；
Transmission body, is arranged between driving source component and impeller；
It is characterized in that: described automatic door operator also includes the control device being electrically connected with described driving source component；
Described transmission body includes travelling gear and the transmission chi being arranged between travelling gear and impeller, transmission chi have be arranged at side with the input tooth bar of travelling gear engaged transmission and be arranged at the output tooth bar of transmission chi opposite side;
Wherein, described impeller has the driver plate being rotationally fixed on pedestal and fixes the push rod being connected with driver plate；Described driver plate has disk body and the driven tooth bar being arranged on disk body outer peripheral face, described impeller is set to: when travelling gear promotes transmission chi to move by input tooth bar, described output tooth bar engages with the driven tooth bar on described driver plate mobile and makes driver plate drive push rod to stretch out to external rotation.
Automatic door operator the most according to claim 1, it is characterized in that: described transmission chi is arranged at intervals with output tooth bar described in two groups, described automatic door operator includes impeller described in two groups coordinated respectively with two groups of output tooth bars, two door body are opened with correspondence, impeller described in two groups is set to: when two door body are closed, in impeller described in two groups is housed in pedestal and extend towards；When described transmission chi is urged away from that wherein an impeller moves, this wherein an impeller be output tooth bar and promote and stretch out to external rotation.
Automatic door operator the most according to claim 1, it is characterized in that: described output tooth bar is set to the driven tooth bar of driver plate: when transmission chi moves, described output tooth bar and driven tooth bar cooperate and the constant-torque of the source of driving component input are converted into the output moment of torsion persistently changed and are supplied to push rod.
Automatic door operator the most according to claim 3, it is characterised in that: described input tooth bar extends along transmission chi length direction, and described output tooth bar is compared input tooth bar and tilted to extend, and described driver plate is an eccentric gear.
Automatic door operator the most according to claim 1, it is characterized in that: on described transmission chi, be the most also arranged at intervals with induction part, it is interior with the sensing mechanism matched with induction part that described automatic door operator also includes being fixed on pedestal, described sensing mechanism is electrically connected with controlling device, described sensing mechanism and induction part are set to: when door body is closed, and described sensing mechanism abuts with a wherein induction part；When transmission chi moves and makes door body open, described sensing mechanism abuts with another induction part, and described control device controls impeller described in the member drives of driving source according to sensing mechanism from the abutting state of different induction parts and stretches out or return.
Automatic door operator the most according to claim 1, it is characterized in that: described input tooth bar and output tooth bar are parallel, described transmission body also includes conjugate tooth group, described travelling gear is arranged on the outfan of described conjugate tooth group, wherein said driving source component provides input torque for conjugate tooth group, and conjugate tooth group is configured to that this input torque is converted into the output moment of torsion persistently changed and is supplied to travelling gear.
Automatic door operator the most according to claim 6, it is characterized in that: the opening procedure of door body is arranged and is divided into three opening stage by described automatic door operator, it is respectively as follows: the first opening stage overcoming suction He being automatically switched off coupling mechanism force, depart from the second opening stage driven, and door body the 3rd opening stage of movement under effect of inertia with door body in the first stage to automatic door operator；Described conjugate tooth group is changed to first be gradually increased in original state to the gear ratio that the second opening stage terminates, then is gradually reduced, and the maximum point of the gear ratio of wherein said conjugate tooth group falls in the first opening stage.
Automatic door operator the most according to claim 7, it is characterized in that: described conjugate tooth group includes two non-circular gears, wherein a non-circular gear is by described driving source member drives, another non-circular gear is arranged with an above-mentioned wherein non-circular gear conjugation, and described driver plate is coaxial with another non-circular gear above-mentioned.
Automatic door operator the most according to claim 1, it is characterised in that: described driving source component includes the motor being fixedly installed in pedestal, is arranged on the gear train of motor output end.
10. a refrigerator, including there is the casing of a room, the drawer being arranged on casing and opening or closing the door body of a room, it is characterised in that: described refrigerator is provided with to open the automatic door operator as in one of claimed in any of claims 1 to 9 of described drawer or door body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410405542.7A CN104329885B (en) | 2014-08-18 | 2014-08-18 | Automatic door operator and there is the refrigerator of this device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410405542.7A CN104329885B (en) | 2014-08-18 | 2014-08-18 | Automatic door operator and there is the refrigerator of this device |
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| Publication Number | Publication Date |
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| CN104329885A CN104329885A (en) | 2015-02-04 |
| CN104329885B true CN104329885B (en) | 2016-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410405542.7A Active CN104329885B (en) | 2014-08-18 | 2014-08-18 | Automatic door operator and there is the refrigerator of this device |
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| CN (1) | CN104329885B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135794B (en) * | 2015-06-23 | 2017-08-01 | 西安交通大学 | Automatic door operator and the side by side combination refrigerator using the device |
| CN104976850A (en) * | 2015-07-07 | 2015-10-14 | 张覃婧 | Automatic opening device of refrigerator |
| CN105113905B (en) * | 2015-09-09 | 2016-09-07 | 山东大学 | A kind of side by side combination refrigerator automatic door operator based on cam mechanism |
| WO2017217019A1 (en) * | 2016-06-15 | 2017-12-21 | シャープ株式会社 | Door opening/closing device and refrigerator equipped with same |
| CN106288621B (en) * | 2016-08-30 | 2019-05-03 | 青岛海尔股份有限公司 | Side by side combination refrigerator and its vertical beam guiding device |
| CN106437391B (en) * | 2016-12-21 | 2018-03-16 | 合肥华凌股份有限公司 | Recloser and refrigeration plant |
| CN106766591B (en) * | 2016-12-27 | 2018-05-11 | 青岛海尔股份有限公司 | Automatic door operator and the refrigerator with the device |
| CN106642947B (en) * | 2016-12-27 | 2018-05-11 | 青岛海尔股份有限公司 | Automatic door operator and the refrigerator with the device |
| CN108333110A (en) * | 2017-01-20 | 2018-07-27 | 上海溯源生物技术有限公司 | Analyzer |
| CN110892218B (en) * | 2017-07-26 | 2021-10-12 | 夏普株式会社 | Door opening and closing mechanism |
| CN110152042B (en) * | 2019-04-22 | 2020-08-28 | 宁波方太厨具有限公司 | Novel disinfection cabinet |
| CN111502471A (en) * | 2020-04-23 | 2020-08-07 | 长虹美菱股份有限公司 | Automatic door opening and closing device for refrigerator |
| CN112539013B (en) * | 2020-12-08 | 2022-04-22 | 湖北美的电冰箱有限公司 | Door opening device and refrigeration equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101447291B1 (en) * | 2008-01-09 | 2014-10-06 | 엘지전자 주식회사 | Apparatus for automatically opening door of refrigerator |
| KR20090091872A (en) * | 2008-02-26 | 2009-08-31 | 주식회사 신화이노텍 | A lever using gears |
| CN102278033A (en) * | 2010-06-08 | 2011-12-14 | 苏州三星电子有限公司 | Automatic door opening device and side by side combination refrigerator using same |
| KR101151618B1 (en) * | 2010-07-05 | 2012-06-08 | 주식회사 에스 씨디 | Device for opening door of refrigerator and method thereof |
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