CN104328971B - 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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- CN104328971B CN104328971B CN201410405588.9A CN201410405588A CN104328971B CN 104328971 B CN104328971 B CN 104328971B CN 201410405588 A CN201410405588 A CN 201410405588A CN 104328971 B CN104328971 B CN 104328971B
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Abstract
The invention discloses a kind of automatic door operator and have the refrigerator of this device, automatic door operator includes pedestal, drive source component, impeller and transmission body.Described transmission body includes conjugate tooth group, and described drive 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 continuing to change and is supplied to impeller.Impeller has spaced first induction part and the second induction part.Described automatic door operator also includes sensing mechanism and is electrically connected the control device of sensing mechanism and drive source component.Described sensing mechanism and the first induction part and the second induction part are set to: when door body is closed, and described sensing mechanism and the first induction part abut；When door body is in open mode, described sensing mechanism and the second induction part abut, and described control device controls drive source member drives impeller according to the mated condition of sensing mechanism and the first induction part or the second induction part and stretches out or return.
Description
Technical field
The present invention is about a kind of automatic door operator and the tool refrigerator of this device.
Background technology
Medium-to-high grade refrigerator is relatively large in the market, and the door seal suction of door body therein, the weight of its load and door body or drawer-type door body is relatively big, and increasing user feedback refrigerator door is not easily opened.For this problem, occur in that electric open device.
In the process opening door body, it is necessary to overcome the power such as self-closing power and frictional force of door seal suction, sliding track lock clamp force or perhaps door body, generally it is mainly divided three phases: the first stage mainly overcomes door seal suction, is automatically switched off coupling mechanism force and frictional force；Second stage mainly overcomes the coupling mechanism force (the self-closing apparatus structure arranged on the hinge of such as spring tension or door body) and frictional force that are automatically switched off；Phase III overcomes the frictional force of whole motion.In order to door body is opened at the appropriate speed, the dynamics of unlatching is required higher.But, the power applied in user's opening procedure is uneven, if firmly too small, door body is not opened；Firmly excessive, door body is opened too quickly, is even pulled out forward by refrigerator.The motor drive mechanism that mainly part is opened in the market, namely reaches second stage by door body, and the phase III also needs user's manual unlocking.After being primarily due to take into account whole process, requiring too high to the output (being generally power or moment of torsion) of drive source (being generally motor), drive source on the market is difficult to meet the requirement of the so wide scope of output, even if can meet, cost is also significantly high.
Chinese invention patent Granted publication the CN100559101Cth discloses a kind of refrigerator, have and consider the difference of the power of three phases in opening procedure, its driving device include driving mechanism 15 and together with drawer the connecting plate 16 of opening and closing, driving mechanism 15 includes around the swivel plate 19 driving axle 18 to rotate, swivel plate 19 possesses multiple drive pin 20a, 20b, 20c as drive transmission part, drive pin 20a, 20b, 20c according to drive the mutually different configuration of distance of axle 18 and can coordinate with connecting plate 16 respectively.But, this structure does not also take into account the impact of the factors such as the velocity variations in drawer opening procedure, opening time.And in drawer opening process, drive pin 20a, 20b, 20c need successively to contact with connecting plate 16 respectively, there is discontinuous situation, cause that drawer opening process is not mild in engagement process.
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 makes door body opening process steadily and the refrigerator of the automatic door operator of low energy consumption and this opening device of tool.
The present invention can be achieved through the following technical solutions: a kind of automatic door operator, including pedestal, it is fixed on the drive source component in pedestal, impeller and be connected to the transmission body between drive source component and impeller, described transmission body includes conjugate tooth group, described drive source component provides input torque for conjugate tooth group, conjugate tooth group is configured to that this input torque is converted into the output moment of torsion continuing to change and is supplied to impeller, described impeller has the first induction part and second induction part spaced with the first induction part, described automatic door operator also includes the sensing mechanism being fixed in pedestal and the control device being electrically connected sensing mechanism and drive source component, described sensing mechanism and the first induction part and the second induction part are set to: when door body is closed, described sensing mechanism and the first induction part abut；When door body is in open mode, described sensing mechanism and the second induction part abut, and described control device controls drive source member drives impeller according to the mated condition of sensing mechanism and the first induction part or the second induction part and stretches out or return.
As a further improvement on the present invention.Described impeller is a linearly extended push rod, and there is the tooth bar extended along its length, being provided with the long strip type guide rail being slidably matched with described impeller in described pedestal, described first induction part and the second induction part interval on the length direction of impeller is arranged.
As a further improvement on the present invention.Described pedestal is box body shape, and described impeller is arranged on the inside lateral margin of pedestal, described tooth bar and the first induction part and the second induction part is arranged on the homonymy of described impeller, and is provided separately along base thickness direction.
As a further improvement on the present invention.Described first induction part and the second induction part are the projection being arranged on impeller, described sensing mechanism has the first switch member being fixed on pedestal, slide the second switch part being fixed on pedestal, described second switch part includes the contact element that fixed mount is arranged on fixed mount to be turned on or off with the first switch member, it is clamped and fastened on the flexible member between fixed mount and pedestal, described fixed mount has the conflict projection towards the projection of impeller direction, described sensing mechanism is set to: when described conflict projection conflicts the first induction part or the second induction part, described second switch part is supported mobile and makes contact element and the first switch member disconnect；When described conflict projection departs from the first induction part or the second induction part, described second switch part resets under the effect of flexible member and makes contact element and the conducting of the first switch member.
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 the gear ratio that the second opening stage terminates in original state and is first gradually increased, then is gradually reduced, and the maximum point of the gear ratio of wherein said conjugate tooth group drops on the first opening stage.
As a further improvement on the present invention.Described conjugate tooth group includes two non-circular gears, and wherein a non-circular gear is by described drive source member drives, and another non-circular gear is arranged with an above-mentioned wherein non-circular gear conjugation.
As a further improvement on the present invention.Described conjugate tooth group include described drive source member drives eccentric gear and with the non-circular gear of this eccentric gear conjugation, described transmission body also includes the travelling gear of setting coaxial with described non-circular gear.
As a further improvement on the present invention.Described drive source component includes the horizontal machine being fixedly installed in pedestal, the worm screw being arranged on horizontal machine outfan, be fixed in pedestal and with the worm gear of worm engaging transmission, the wherein gear setting coaxial with described worm gear in described conjugate tooth group.
As a further improvement on the present invention.Described drive source component includes the vertical machine being fixedly installed in pedestal, the train of reduction gears being arranged on vertical machine outfan, the wherein gear setting coaxial with the output gear of described train of reduction gears in described conjugate tooth group.
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, comparatively constant input speed is converted to continually varying output speed and power by conjugate tooth group by the transmission body in the present invention, solve the contradictory problems of input source power and opening speed and power in whole door opening process, the input source of lower-wattage can be used, overcome the resistance that different phase changes, ensure door body opening process medium velocity change continuous uniform, it is thus achieved that good Consumer's Experience；It addition, on impeller, spaced first induction part and the second induction part and sensing mechanism are set in the present invention: when door body is closed, described sensing mechanism and the first induction part abut；When door body is in open mode, described sensing mechanism and the second induction part abut, stretching out so that described control device can control drive source member drives impeller according to the mated condition of sensing mechanism and the first induction part or the second induction part or return, thus the convenient unlatching to door body controls.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the first preferred embodiment of automatic door operator of the present invention.
Fig. 2 is the stereoscopic-state figure of the impeller release of automatic door operator in Fig. 1.
Fig. 3 is the three-dimensional exploded view of automatic door operator in Fig. 1.
Fig. 4 is the view of another angle of Fig. 3.
Fig. 5 is top view during automatic door operator removal lid in Fig. 1.
Fig. 6 to Fig. 8 use state diagram in original state, pushing course and under release state respectively that is impeller with sensing mechanism.
Fig. 9 is the second preferred embodiment of the automatic door operator of the present invention top view when removing lid.
Figure 10 is the three-dimensional exploded view of automatic door operator in Fig. 9.
Figure 11 is the part-structure schematic diagram of the refrigerator with automatic door operator 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, those of ordinary skill in the art is all contained in protection scope of the present invention according to the made structure of these embodiments, method or conversion functionally.
In following description of the invention, it is to be understood that: namely " front " therein refer to the direction near user, and " afterwards " namely refers to the direction away from user, and " left side " namely instigates the left side of user, and " right side " namely instigates the right side of user.Below about direction "front", "rear", "left", "right" description in, without specified otherwise, be all understood in this way.
The first preferred embodiment of automatic door operator 100 of the present invention it is shown referring to figs. 1 to Fig. 8, automatic door operator 100 of the present invention can be applied to any equipment needing to adopt electric opening, as 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 includes pedestal 1, be fixed in pedestal 1 drive source component 2, for promoting the impeller 3 of door body and the transmission body 4 being connected between drive source component 2 and impeller 3, the sensing mechanism 5 being fixed in pedestal 1 and being electrically connected the control device (not shown) of sensing mechanism 5 and drive source component 2.
In conjunction with shown in Fig. 1 to Fig. 5, described pedestal 1 is a rectangular box shape structure, and it includes the mutual box body 11 fastened and lid 12 and forms the containing cavity 13 between box body 11 and lid 12.
Described box body 11 has the diapire 111 towards lid 12 and the perisporium extended to form respectively from diapire 111 surrounding towards lid 12 direction.Described perisporium includes the antetheca 112 that is oppositely arranged and rear wall 113 and the first side wall 114 being oppositely arranged and the second sidewall 115.
Described antetheca 112 is formed for the opening 1120 that described impeller 3 stretches out.Described opening 1120 is arranged near the first side wall 114.In the present embodiment, described automatic door operator 100 is provided only with impeller 3 described in a group, and is used for opening a door body or drawer, thus being only correspondingly arranged on a described opening 1120 on described antetheca 112；When needing the opening operation carrying out two door body, as shown in figure 11, two described automatic door operators 100 can be set on relevant device.
Described perisporium arranged outside has fixture block 116, described lid 12 to be provided with the clasp bar 121 downwardly extended with described fixture block 116 clasp.The screw fixed hole 1140 that described the first side wall 114 further extends outward, is fixed on relevant device for by automatic door operator 100 of the present invention.
Described diapire 111 is equipped with the long strip type guide rail 1111 extended before and after in the side near the first side wall 114, it is provided with the fixing groove 1112 of a motor in the side near the second sidewall 115, between the fixing groove 1112 of guide rail 1111 and motor, is provided with the first rotating shaft 1113 and the second rotating shaft 1114.Described first rotating shaft 1113 is near the fixing groove 1112 of motor, and described second rotating shaft 1114 is near antetheca 112 and guide rail 1111.Described diapire 111 is additionally provided with some snap fits 1115 to the extension of lid 12 direction, the chute 1116 formed between snap fit 1115, protrudes into the baffle plate 1117 inside chute 1116 in the position near antetheca 112 and opening 1120, described chute 1116 extends along the direction of vertical guide rail 1111, described baffle plate 1117 is arranged on the chute 1116 side away from guide rail 1111, and is additionally provided with positioning boss 1119 at chute 1116 near the side of guide rail 1111.Described positioning boss 1119 is formed with the accepting groove 1118 connected with described chute 1116.
In conjunction with shown in Fig. 3 to Fig. 5, in the present embodiment, described drive source component 2 is included being fixedly installed on the horizontal machine 21 in the fixing groove 1112 of motor of pedestal 1, is arranged on the worm screw 22 of horizontal machine 21 outfan, is rotated the worm gear 23 being fixed in pedestal 1 by the first rotating shaft 1113.Described worm screw 22 is meshed with worm gear 23, to drive worm gear 23 to rotate when horizontal machine 21 works by worm screw 22.
Shown in Fig. 9, Figure 10, as another embodiment of the present invention, described drive source component 2 ' is set to include the vertical machine 21 ' being fixedly installed in pedestal 1 ', the train of reduction gears 22 ' being arranged on vertical machine 21 ' outfan, is provided with several rotating shafts in order to position described train of reduction gears 22 ' in described pedestal 1 '.Wherein gear setting coaxial with the output gear of described train of reduction gears 22 ' in described conjugate tooth group.
Described transmission body 4 includes conjugate tooth group and is arranged on the travelling gear 41 of outfan of conjugate tooth group, described drive source component 2 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 continuing to change and is supplied to impeller 3 by travelling gear 41.The setting coaxial with the output gear of described worm gear 23 or train of reduction gears 22 ' of a wherein gear in described conjugate tooth group, another gear and the coaxial setting of described travelling gear 41,41 '.
In the present invention, the setting that drives of described automatic door operator 100 mainly guarantees to react people's change of power in opening door body or drawer process comparatively really, in this, as input, ensure the unlatching effect of design, improve Consumer's Experience, and door body can steadily be opened, thus in the present invention, the opening procedure of door body is arranged and is 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.
It addition, because the power of the drive sources such as motor is fixing, thus according to rating formula:
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 linear velocity (being the speed that impeller 3 runs) of output, T0 is the output moment of torsion of whole opening device, I be whole opening device gear ratio (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 continuing to change), r is the radius (radius of the travelling gear 41 in the present embodiment) of the afterbody output gear coordinating transmission in transmission body 4 with impeller 3.
It can be seen that when selecting common transmission body, gear ratio I is certain value from above-mentioned formula, the power P of drive source motor and rotating speed n are certain, and 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, the linear velocity V0 and the power output F0 that release are inversely proportional to, thus with reference to foregoing description, because door body is in opening procedure, overcoming, the 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 be too big, 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 100 of the present invention, it is gradually reduced again, and makes the maximum point of the gear ratio of described conjugate tooth group drop on the first opening stage.After being arranged by this kind, critical point place in the first opening stage can be made, drive source only needs to overcome and is automatically switched off coupling mechanism force and frictional force, the speed maximum opened by door body and the maximum of the opening force of automatic door operator of the present invention 100 stagger, the power of required input source will be substantially reduced, thus reducing 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 421 that driven by described drive source component 2 by the present invention and the non-circular gear 43 with this eccentric gear 421 conjugation forms.Now, the setting coaxial with the output gear of described worm gear 23 or train of reduction gears 22 ' of described eccentric gear 421, described non-circular gear 43 is as the outfan of conjugate tooth group and the coaxial setting of described travelling gear 41,41 '.
Make impeller 3 door body can be promoted to move ahead with the speed continuing to change it addition, the conjugate tooth group that in the above-mentioned specific embodiment of the present invention, main employing non-circular gear 43 and eccentric gear 421 are formed is reached at different time；Certainly, from above-mentioned rating formula, described conjugate tooth group is also designed to by the two of conjugation mutual transmissions of non-circular gear, 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 equally also can reach the effect making impeller 3 door body can be promoted to move ahead with the speed continuing to change at different time.Now, wherein non-circular gear setting coaxial with the output gear of described worm gear 23 or train of reduction gears 22 ', another non-circular gear is as the outfan of conjugate tooth group and the coaxial setting of described travelling gear 41,41 '.
With reference to shown in Fig. 3 to Fig. 5, the described linearly extended push rod of impeller 3 one, and there is matrix 31, be arranged on matrix 31 with the chute 32 being slidably matched with guide rail 1111, be arranged on matrix 31 and deviate from tooth bar 33 and the induction part of the first side wall 114 side.
Described tooth bar 33 extends along impeller 3 length direction.Described induction part includes spaced first induction part 34 and second induction part 35 spaced with the first induction part 34 on the length direction of impeller 3.When impeller 3 is housed in the containing cavity 13 of pedestal 1, described first induction part 34 is arranged near antetheca 112, and described second induction part 35 is arranged near rear wall 113.
Described sensing mechanism 5 and the first induction part 34 and the second induction part 35 are set to: when door body is closed, described sensing mechanism 5 abuts with the first induction part 34；When door body is in open mode, described sensing mechanism 5 abuts with the second induction part 35, and described control device controls drive source component 2 according to the mated condition of sensing mechanism 5 and the first induction part 34 or the second induction part 35 and drives impeller 3 stretch out or return.
In the present embodiment, described tooth bar 33 and the first induction part 34 and the second induction part 35 are arranged on the homonymy of described impeller 3, and are all formed from the projection of matrix 31 side.Described tooth bar 33 and the first induction part 34 and the second induction part 35 are provided separately along pedestal 1 thickness direction, described first induction part 34 and the second induction part 35 are positioned at the lower section of tooth bar 33, and described first induction part 34 and the second induction part 35 are the projection being arranged on impeller 3.Described travelling gear 41 is meshed with the tooth bar 33 of described impeller 3, stretches out to be promoted by described impeller 3 or returns.In the present embodiment, described travelling gear 41 is a Knucle-gear；Certainly, described travelling gear 41 is alternatively a sector gear.
Described sensing mechanism 5 has the first switch member 51 in the accepting groove 1118 being fixed on pedestal 1, slip is fixed on the second switch part 52 in the chute 1116 of pedestal 1.In the present embodiment, the flexible member 523 between described second switch part 52 includes being fixed in chute 1116 fixed mount 521, the contact element 522 being arranged on fixed mount 521 to be turned on or off with the first switch member 51, the baffle plate 1117 that is clamped and fastened in fixed mount 521 and chute 1116.Described fixed mount 521 has the conflict projection 5211 towards impeller 3 direction projection, and described conflict projection 5211 staggers setting along pedestal 1 thickness direction.In the present embodiment, described flexible member 523 is a stage clip.
Described sensing mechanism 5 is set to: conflict in described conflict projection 5,211 first induction part 34 or the second induction part 35 time, described second switch part 52 is supported mobile and makes contact element 522 and the first switch member 51 disconnect；When departing from the first induction part 34 or the second induction part 35 in described conflict projection 5211, described second switch part 52 resets under the effect of flexible member 523 and makes contact element 522 and the first switch member 51 turn on.
With reference to Fig. 3, Fig. 4, and in conjunction with Fig. 6 to shown in 8, described sensing process particularly as follows:
Under the original state that door body is closed, described travelling gear 41 engages near one end of door body with the tooth bar 33 of impeller 3, simultaneously in described sensing mechanism 5, the conflict projection 5211 of second switch part 52 offsets with projecting outwardly of the first induction part 34, flexible member 523 is in compressive state, and described first switch member 51 disconnects with the contact element 522 in second switch part 52；
When controlling device and receiving signal (this signal can be triggered by arranging in door body the soft-touch control being electrically connected with control device) that door body needs to open, the motor 21 controlled in device control drive source component 2 rotates forward, motive force is transferred to impeller 3 by transmission body 4 by motor 21, namely moved by travelling gear 41 band carry-over bar 33 forward, make that impeller 3 is protruding gradually backs down door body, in this pushing course, in this original state to the second opening stage, comparatively constant input is changed into the output of the lasting change meeting demand by the conjugate tooth group entering through the present invention that motor 21 provides, and then it is supplied to impeller 3, door body can be opened continued smooth.
Additionally, in above-mentioned door body opening procedure, when the first induction part 34 on impeller 3 departs from sensing mechanism 5, effect due to the restoring force of flexible member 523, forcing second switch part 52 to move towards impeller 3 direction, the contact element 522 on second switch part 52 contacts conducting with the first switch member 51, thus sending a signal to controlling device, informing that motor continues forward and runs, impeller 3 continues to promote and runs forward；When the conflict projection 5211 on second switch part 52 abuts to the second induction part 35 on impeller 3, moved towards the direction deviating from impeller 3 by the second induction part 35, the first switch member 51 is made to depart from the contact element 522 in second switch part 52 and disconnect, it is simultaneously emitted by signal control device, control device and control motor 21 antiport, impeller 3 is driven reverse movement, when the conflict projection 5211 run on second switch part 52 abuts to the first induction part 34 on impeller 3, 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, thus completing a cycle of operation.
Additionally, with reference to shown in Figure 11, the present invention also can design a kind of refrigerator 800, and this refrigerator includes the casing 81 with a room, the drawer (not shown) being arranged on casing 81, the door body (not shown) opening or closing a room and described automatic door operator 100.The described automatic door operator 100 being used for opening door body may be provided at casing 81 top or the front side of central dividing plate 82;The described automatic door operator 100 being used for opening drawer may be provided between drawer door body rear indoor, it is possible to is arranged on drawer rearward position place etc., the purpose of equal attainable cost invention.
In sum, the present invention takes into full account that user opens the experience in door body process and the problem being likely encountered, by conjugate tooth group in transmission body 3, input speed comparatively constant for the drive sources such as motor 21,21 ' is converted to continually varying output speed and power, solve the contradictory problems of input source power and opening speed and power in whole door body opening procedure, the input source of lower-wattage can be used, overcome the resistance that different phase changes, ensure door body opening process medium velocity change continuous uniform, it is thus achieved that good Consumer's Experience；It addition, on impeller 3, spaced first induction part 34 and the second induction part 35 and sensing mechanism 5 are set in the present invention: when door body is closed, described sensing mechanism 5 abuts with the first induction part 34；When door body is in open mode, described sensing mechanism 5 abuts with the second induction part 35, driving impeller 3 stretch out or return so that described control device can control drive source component 2,2 ' according to the mated condition of sensing mechanism 5 and the first induction part 34 or the second induction part 35, thus the convenient unlatching to door body controls.
It is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, technical scheme in each embodiment through appropriately combined, can also form 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 should be included within protection scope of the present invention without departing from the skill of the present invention Equivalent embodiments made of spirit or change.
Claims (10)
1. an automatic door operator, including pedestal, it is fixed on the drive source component in pedestal, impeller and be connected to the transmission body between drive source component and impeller, it is characterized in that: described transmission body includes conjugate tooth group, described drive source component provides input torque for conjugate tooth group, conjugate tooth group is configured to that this input torque is converted into the output moment of torsion continuing to change and is supplied to impeller, described impeller has the first induction part and second induction part spaced with the first induction part, described automatic door operator also includes the sensing mechanism being fixed in pedestal and the control device being electrically connected sensing mechanism and drive source component, described sensing mechanism and the first induction part and the second induction part are set to: when door body is closed, described sensing mechanism and the first induction part abut；When door body is in open mode, described sensing mechanism and the second induction part abut, and described control device controls drive source member drives impeller according to the mated condition of sensing mechanism and the first induction part or the second induction part and stretches out or return.
2. automatic door operator according to claim 1, it is characterized in that: described impeller is a linearly extended push rod, and there is the tooth bar extended along its length, being provided with the long strip type guide rail being slidably matched with described impeller in described pedestal, described first induction part and the second induction part interval on the length direction of impeller is arranged.
3. automatic door operator according to claim 2, it is characterized in that: described pedestal is box body shape, described impeller is arranged on the inside lateral margin of pedestal, described tooth bar and the first induction part and the second induction part is arranged on the homonymy of described impeller, and is provided separately along base thickness direction.
4. automatic door operator according to claim 1, it is characterized in that: described first induction part and the second induction part are the projection being arranged on impeller, described sensing mechanism has the first switch member being fixed on pedestal, slide the second switch part being fixed on pedestal, described second switch part includes the contact element that fixed mount is arranged on fixed mount to be turned on or off with the first switch member, it is clamped and fastened on the flexible member between fixed mount and pedestal, described fixed mount has the conflict projection towards the projection of impeller direction, described sensing mechanism is set to: when described conflict projection conflicts the first induction part or the second induction part, described second switch part is supported mobile and makes contact element and the first switch member disconnect；When described conflict projection departs from the first induction part or the second induction part, described second switch part resets under the effect of flexible member and makes contact element and the conducting of the first switch member.
5. automatic door operator according to claim 1, 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 the gear ratio that the second opening stage terminates in original state and is first gradually increased, then is gradually reduced, and the maximum point of the gear ratio of wherein said conjugate tooth group drops on the first opening stage.
6. automatic door operator according to claim 5, it is characterised in that: described conjugate tooth group includes two non-circular gears, and wherein a non-circular gear is by described drive source member drives, and another non-circular gear is arranged with an above-mentioned wherein non-circular gear conjugation.
7. automatic door operator according to claim 5, it is characterized in that: described conjugate tooth group include described drive source member drives eccentric gear and with the non-circular gear of this eccentric gear conjugation, described transmission body also includes the travelling gear of setting coaxial with described non-circular gear.
8. automatic door operator according to claim 1, it is characterized in that: described drive source component includes the horizontal machine being fixedly installed in pedestal, the worm screw being arranged on horizontal machine outfan, be fixed in pedestal and with the worm gear of worm engaging transmission, the wherein gear setting coaxial with described worm gear in described conjugate tooth group.
9. automatic door operator according to claim 1, it is characterized in that: described drive source component includes the vertical machine being fixedly installed in pedestal, the train of reduction gears being arranged on vertical machine outfan, the wherein gear setting coaxial with the output gear of described train of reduction gears in described conjugate tooth group.
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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410405588.9A CN104328971B (en) | 2014-08-18 | 2014-08-18 | Automatic door operator and there is the refrigerator of this device |
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| CN201410405588.9A CN104328971B (en) | 2014-08-18 | 2014-08-18 | Automatic door operator and there is the refrigerator of this device |
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| CN104328971A CN104328971A (en) | 2015-02-04 |
| CN104328971B true CN104328971B (en) | 2016-07-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN106091549B (en) * | 2016-05-27 | 2018-04-13 | 合肥华凌股份有限公司 | Door opening/closing apparatus and refrigerator |
| CN106014062B (en) * | 2016-05-27 | 2018-06-22 | 合肥华凌股份有限公司 | Door opener and refrigerator |
| CN106437391B (en) * | 2016-12-21 | 2018-03-16 | 合肥华凌股份有限公司 | Recloser and refrigeration plant |
| CN106761136B (en) | 2016-12-27 | 2018-04-20 | 青岛海尔股份有限公司 | Automatic door operator and the refrigerator with the device |
| 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 |
| CN106593176B (en) * | 2017-02-20 | 2018-11-13 | 江苏雷利电机股份有限公司 | Automatic door operator |
| TR201721863A2 (en) * | 2017-12-26 | 2019-07-22 | Arcelik As | |
| DE102018008895B4 (en) * | 2018-03-29 | 2020-09-17 | Emz-Hanauer Gmbh & Co. Kgaa | Household appliance with door opener |
| CN113107301B (en) * | 2018-07-26 | 2023-02-17 | 海尔智家股份有限公司 | Clutch automatic door opening device and refrigerator |
| CN112211517B (en) * | 2019-07-12 | 2022-01-07 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| CN110584494A (en) * | 2019-09-29 | 2019-12-20 | 华帝股份有限公司 | Electric door and cooking equipment applying same |
| CN112797711A (en) * | 2019-11-13 | 2021-05-14 | Lg电子株式会社 | Refrigerator with a door |
| CN114718405A (en) * | 2022-04-22 | 2022-07-08 | 浙江吉利控股集团有限公司 | Sliding device and automobile |
| CN117780214A (en) * | 2022-09-20 | 2024-03-29 | 合肥美的电冰箱有限公司 | Door opening and closing device and electrical equipment |
| CN117780219A (en) * | 2022-09-20 | 2024-03-29 | 合肥美的电冰箱有限公司 | Door opening and closing device and electrical equipment |
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| TW508426B (en) * | 1999-08-17 | 2002-11-01 | Toshiba Corp | Door opening device for storage apparatus |
| JP4112303B2 (en) * | 2002-04-01 | 2008-07-02 | 日本電産サンキョー株式会社 | Operation assistance device |
| JP3886393B2 (en) * | 2002-02-22 | 2007-02-28 | Ｎｔｎ株式会社 | Door opener |
| KR101639435B1 (en) * | 2009-10-13 | 2016-07-13 | 엘지전자 주식회사 | Refrigerator |
| 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 |
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- 2014-08-18 CN CN201410405588.9A patent/CN104328971B/en active Active
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| Publication number | Publication date |
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| CN104328971A (en) | 2015-02-04 |
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Inventor after: Zhu Xiaobing Inventor after: Zhang Kui Inventor after: Fei Bin Inventor after: Cheng Xueli Inventor after: Fang Jing Inventor after: Yin Fengfu Inventor after: Ye Xiaobo Inventor before: Zhang Kui Inventor before: Fei Bin Inventor before: Cheng Xueli Inventor before: Fang Jing Inventor before: Yin Fengfu Inventor before: Ye Xiaobo |
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Effective date of registration: 20180321 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after: Qingdao Haier Special Refrigerator Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Patentee before: Qingdao Hair Co., Ltd. |
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