CN109898945A - Switching mechanism, body structure and refrigerator - Google Patents

Switching mechanism, body structure and refrigerator Download PDF

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Publication number
CN109898945A
CN109898945A CN201910234811.0A CN201910234811A CN109898945A CN 109898945 A CN109898945 A CN 109898945A CN 201910234811 A CN201910234811 A CN 201910234811A CN 109898945 A CN109898945 A CN 109898945A
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CN
China
Prior art keywords
switching mechanism
driving
executive device
cabinet
elastic element
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Granted
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CN201910234811.0A
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Chinese (zh)
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CN109898945B (en
Inventor
杨松
符秀亮
史慧新
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Hefei Hualing Co Ltd
Midea Group Co Ltd
Hefei Midea Refrigerator Co Ltd
Original Assignee
Hefei Hualing Co Ltd
Midea Group Co Ltd
Hefei Midea Refrigerator Co Ltd
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Application filed by Hefei Hualing Co Ltd, Midea Group Co Ltd, Hefei Midea Refrigerator Co Ltd filed Critical Hefei Hualing Co Ltd
Priority to CN201910234811.0A priority Critical patent/CN109898945B/en
Publication of CN109898945A publication Critical patent/CN109898945A/en
Application granted granted Critical
Publication of CN109898945B publication Critical patent/CN109898945B/en
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Abstract

The invention proposes a kind of switching mechanism, body structure and refrigerators, switching mechanism is set on body structure, body structure includes cabinet and the door body that is connected with cabinet, switching mechanism includes: driving assembly, driving assembly includes driving device and executive device interconnected, and executive device can move under the drive of the drive;One in energy storage component, energy storage component and driving assembly is set on cabinet, another is set in door body, and energy storage component includes elastic element;Wherein, during switching mechanism works, driving device drives executive device to move towards elastic element and is in contact with elastic element, so that deformation occurs for elastic element, until door body is mutually separated with cabinet.Switching mechanism proposed by the present invention can realize total travel automatic door opening, increase open angle, improve enabling speed, meet the requirement in door opening process for enabling speed.

Description

Switching mechanism, body structure and refrigerator
Technical field
The present invention relates to transmission mechanism technical fields, in particular to a kind of switching mechanism, a kind of body structure and one Kind refrigerator.
Background technique
Big volume refrigerator currently on the market, door body, the weight of its load, magnetic adsorption type sealing strip adsorption capacity and on Hot-air enters in cabinet after secondary enabling contract on cooling after the negative pressure that generates, synthesis causes user feedback door body to be not easy to open.
Usual user needs to overcome the power of three phases when opening refrigerator door.First stage overcomes magnetic absorption Hot-air enters in cabinet after the adsorption capacity of formula sealing strip and last time open the door contract on cooling after the negative pressure that generates, this stage needs The power to be overcome is maximum;After door body opens an angle, air pressure balance inside and outside cabinet, pressure disappears, magnetic adsorption type After sealing strip and cabinet are detached from certain distance, adsorption capacity is decayed close to zero.Second stage needs to overcome the door closer of refrigerator door Self-lock force and hinge frictional force.Phase III, door body rotated refrigerator door closer it is self-locking after, only remaining hinge Frictional force.In conclusion the power that user is applied when enabling is the power of a variation.
Technically solve the problems, such as the electric boosted enabling of refrigerator at present, mainly have following two direction: first is to utilize electricity Machine drives gear, and the movement of gear band carry-over bar is moved horizontally forward by rack gear and pushes door body open, realizes booster opening door.It is this Scheme is limited by rack gear length, when certain angle is arrived in enabling, after rack gear push rod is disengaged with door body, is not just worked , the angle of refrigerator open is smaller, and user often also needs secondary enabling.Second is the execution for utilizing electromagnetic solenoid etc Element opens door body.But the speed of electromagnetic solenoid is quickly, and impact force is bigger, although open angle is larger, uses Get up than relatively hazardous, body-sensing is bad, while be likely to result in refrigerator door open the door after, inertia is very big, door body rebound go back.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.
For this purpose, first aspect present invention proposes a kind of switching mechanism.
Second aspect of the present invention proposes a kind of body structure.
Third aspect present invention proposes a kind of refrigerator.
The invention proposes first aspects to propose a kind of switching mechanism, is set on body structure, and body structure includes Cabinet and the door body being connected with cabinet, switching mechanism include: driving assembly, and driving assembly includes driving device interconnected And executive device, executive device can move under the drive of the drive;One in energy storage component, energy storage component and driving assembly A to be set on cabinet, another is set in door body, and energy storage component includes elastic element;Wherein, in switching mechanism work In the process, driving device drives executive device to move towards elastic element and is in contact with elastic element, so that elastic element Deformation occurs, until door body is mutually separated with cabinet.
Switching mechanism proposed by the present invention is applied to the body structure with door body, specifically being set on refrigerator, and will One in driving assembly and energy storage component is set on the cabinet of refrigerator, another is set in the door body of refrigerator.In refrigerator Enabling during, first open the door the stage when, driving device give executing agency apply thrust so that executing agency and elasticity Element is in contact, and is converted into elastic potential energy using the thrust that the elastic deformation of elastic element is applied driving device;Second When the enabling stage, driving device continues to thrust, and elastic element compressive deformation reaches the limit of not redeformation after value, elastic element Rigid connection can be equal to, executive device gives whole thrusts of elastic element at this time, and a part is converted into elastic potential energy Storage, remaining is applied in door body by elastic element, pushes refrigerator door movement, and door body is driven to cross door closer limit; When third opens the door the stage, door body crosses door closer limit, and the suffered resistance of door body movement can reduce suddenly, at this time elasticity member Elastic potential energy release before part, deformation of elastic element is to a reaction force of executive device, this reaction force is to door body Refrigerator door is opened to maximum angle, realizes refrigerator total travel automatic door opening by one enabling acceleration.
Specifically, the first enabling stage need to overcome magnetic adsorption type sealing strip adsorption capacity and last time open the door after hot-air The negative pressure generated after contracting on cooling in into cabinet, the power that this stage needs to overcome are maximum;Second enabling stage needs gram The self-lock force of the door closer of refrigerator door and the frictional force of hinge are taken, less than the first enabling stage power to be overcome;Third is opened Doorsteps section needs to overcome the frictional force of hinge, hence it is evident that less than the second enabling stage power to be overcome.Therefore, proposed by the present invention Switching mechanism passes through the mutual cooperation of driving assembly and energy storage component, fills driving in the first enabling stage and the second enabling stage It sets applied thrust a part and is converted into elastic potential energy storage, cross door closer limit in door body and enter the third enabling stage Moment, deformation of elastic element beat door body so that door body has an enabling acceleration to a reaction force of executive device The angle opened to the maximum realizes total travel automatic door opening, increases open angle, improves enabling speed, realizes that first opens the door the stage And second the enabling stage at the uniform velocity open the door, third open the door the stage quickly open the door, meet the requirement in door opening process for enabling speed.
Above-mentioned switching mechanism according to the present invention can also have following additional technical feature:
In the above-mentioned technical solutions, it is preferable that energy storage component further include: sliding rail, elastic element are located in sliding rail;Sliding block, It is connected with elastic element, sliding block can slide under executive device effect along sliding rail, so that deformation occurs for elastic element.
In the technical scheme, energy storage component further includes mutually matched sliding rail and sliding block, wherein elastic element is arranged In in sliding rail, and in its end, sliding block is set.During switching mechanism work, executive device is moved with towards sliding block side And abutted against with sliding block, and sliding block is promoted to move along sliding rail, so that elastic deformation occurs for elastic element, and then driving device is applied The part thrust for being added on executive device is converted into elastic potential energy and is stored in elastic element.
In any of the above-described technical solution, it is preferable that energy storage component further include: guide post is set in sliding rail, elasticity member Part is sheathed in guide post;Cover board is movably set to the position of sliding rail, for covering sliding rail.
In the technical scheme, it is provided with guide post in sliding rail, and elastic element is sheathed in guide post, so that leading It is to play the role of guiding that elastic deformation, which occurs, in elastic element to column;Cover board is set near sliding rail, specifically, the one of cover board End is connected with door body or cabinet, and the other end adjusts cover board covering sliding rail and the elasticity member inside sliding rail as free end Part avoids the elastic element under elastic deformation state exposed, the security performance of lifting switch mechanism.
In any of the above-described technical solution, it is preferable that driving assembly further include: pedestal, driving device are located on pedestal;It passes Dynamic component, is connected with the output end of driving device;Clutch gear group, is connected with transmission component and executive device.
In the technical scheme, driving assembly should include pedestal, and specifically, top base and bottom base are interconnected to form peace It behave affectedly, driving device, transmission component and clutch gear group is set in installation cavity, avoid its exposed outside, guarantee driving group The service life of part;Transmission component is connected with the output end of driving device, and by clutch gear group and transmission component and is held Luggage, which is set, to be connected, and guarantees the transmitting of driving device output torque, and then guarantee the driving to executive device, is realized and is opened the door or close Door movement.
In any of the above-described technical solution, it is preferable that transmission component includes: worm screw, is connected with the output end of driving device It connects;Turbine is meshed with worm screw and clutch gear group.
In the technical scheme, it is the overall structure for simplifying driving assembly, and considers switching mechanism overall structure size And its limitation of locating space environment, select the worm screw being mutually adapted, turbine as transmission component, to realize that driving device exports The transmitting of torque.
Specifically, driving device is driving motor, and worm screw is set on the output shaft of driving motor, turbine and worm screw phase Connection.
In any of the above-described technical solution, it is preferable that clutch gear group includes: transmission shaft;First clutch gear, is sheathed on Transmission shaft is meshed with turbine;Second clutch gear, is sheathed on transmission shaft, is meshed with the rack structure of executive device.
In the technical scheme, clutch gear group includes transmission shaft and the first clutch gear being sheathed on transmission shaft and Two clutch gears.Specifically, the first clutch gear is meshed with turbine by transmission gear, the second clutch gear and executive device Rack structure be meshed;When turbine drive the first clutch gear rotation when, with the first clutch gear coaxial arrangement second from Closing gear can also rotate, and then drive executive device movement, to drive door body to open or close.
It is worth noting that, the second clutch gear is imperfect gear, i.e. the radial direction of the second clutch gear is not divided completely It is furnished with toothing, but be partially arranged.After executive device moves to maximum displacement, the toothing of the second clutch gear just with hold The rack structure separation that luggage is set, disconnects the transmission of driving device torque.
In any of the above-described technical solution, it is preferable that driving assembly further include: reset element is set on pedestal, and is held Luggage, which is set, to be connected;Wherein, in the case where moving to predeterminated position based on executive device, the toothing and tooth of the second clutch gear Structure mutually separates, and executive device moves under the action of reset element far from energy storage component.
In the technical scheme, the reset element being connected with executive device is set on the base, and reset element uses bullet Property part setting.During switching mechanism work, driving device drives executive device movement, to push door body to open or close It closes;When executive device moves to maximum displacement, the toothing of the second clutch gear is mutually separated with rack structure, disconnects driving dress Set the transmission of torque, at this time executive device can under the action of reset element along backtracking, to guarantee to open the door next time or The smooth execution of shutdown movement.Specifically, predeterminated position is that executive device is run to the position of range.
In any of the above-described technical solution, it is preferable that driving assembly further include: detection device is set to pedestal and execution On device, for detecting the position of executive device;Controller is connected with detection device, for the detection according to detection device As a result control driving device work.
In the technical scheme, it is provided with detection device on pedestal and executive device, and is provided with and detection device phase The controller of connection.During switching mechanism work, the position of executive device is detected, by detection device to know whether It has completed to open the door or shutdown acts;After detection device detection has been completed to open the door or shutdown acts, controller control driving Device stops working, and otherwise controls driving device and works on, until completing enabling or shutdown movement.
In any of the above-described technical solution, it is preferable that detection device includes: Hall sensor, is set on pedestal, with control Device processed is connected;Magnetic part is set in executive device, and magnetic part can be moved with executive device;Wherein, it is moved in executive device During, the position of magnetic part is detected by Hall sensor, so that position control driving of the controller according to magnetic part Device work.
In the technical scheme, detection device includes mutually matched Hall sensor and magnetic part.Wherein, Hall is passed Sensor is set on location control plate, and is connected with controller;Magnetic part is set in executive device, magnetic part can be with holding Luggage sets movement.During driving device driving executive device movement is to complete door opening action, magnetic part is with executive device Movement.When magnetic part moves near Hall sensor, Hall sensor detects magnetic part, to know the fortune of executive device Dynamic stroke, controller stop working according to the movement travel of executive device control driving device and complete door opening action.
In any of the above-described technical solution, it is preferable that detection device includes: travel switch, is set on pedestal, with control Device is connected;Wherein, during executive device moves, controller controls driving device by travel switch and works.
In the technical scheme, including travel switch.Specifically, travel switch is set on pedestal, and with controller phase Connection is opened during driving device driving executive device movement is to complete door opening action when executive device moves to stroke When closing nearby, travel switch detects executive device, and to know the movement travel of executive device, controller is according to executive device Movement travel control driving device, which stops working, completes door opening action.
Second aspect of the present invention proposes a kind of body structure, comprising: cabinet;Door body is connected with cabinet;And the present invention The switching mechanism of any one of first aspect, switching mechanism are set in cabinet and door body;Cabinet is set to based on driving assembly In the case where, energy storage component is set in door body;In the case where being set to door body based on driving assembly, energy storage component is set to case On body.
Body structure proposed by the present invention due to including the switching mechanism such as any one of first aspect present invention technical solution, Therefore it with whole beneficial effects of above-mentioned switching mechanism, therefore repeats no more.
In addition, when driving assembly is set to cabinet, energy storage component is connected with door body, to drive door body to move;Work as drive When dynamic component is set to door body, energy storage component is connected with cabinet, is driven in the reverse direction door body movement.
It includes the switching mechanism such as any one of first aspect present invention that third aspect present invention, which proposes a kind of refrigerator,;Or this The body structure of invention second aspect, therefore whole beneficial effects with above-mentioned switching mechanism, therefore repeat no more.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:
Fig. 1 is the explosive view of driving assembly in the switching mechanism of one embodiment of the invention;
Fig. 2 is the scheme of installation of energy storage component in the switching mechanism of one embodiment of the invention;
Fig. 3 is partial enlarged view at A in the energy storage component of embodiment illustrated in fig. 2;
Fig. 4 is the structural schematic diagram of the body structure of one embodiment of the invention;
Fig. 5 is the door opening process schematic diagram of the body structure of one embodiment of the invention;
Fig. 6 is the door opening process schematic diagram of the body structure of one embodiment of the invention;
Fig. 7 is the door opening process schematic diagram of the body structure of one embodiment of the invention.
Wherein, corresponding relationship of the Fig. 1 into Fig. 7 between appended drawing reference and component names are as follows:
1 switching mechanism, 12 driving assemblies, 122 driving devices, 124 executive devices, 126 top bases, 128 bottom bases, 130 Transmission component, 132 clutch gear groups, 134 worm screws, 136 turbines, 138 transmission gears, 140 transmission shafts, 142 first clutch gears, 144 second clutch gears, 146 reset elements, 148 Hall sensors, 150 magnetic parts, 152 location control plates, 16 energy storage components, 162 elastic elements, 164 sliding rails, 166 sliding blocks, 168 guide posts, 170 cover boards, 100 body structures, 102 cabinets, 104 door body.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also Implement in a manner of using other than the one described here, therefore, protection scope of the present invention is not by following public tool The limitation of body embodiment.
The switching mechanism 1 proposed according to some embodiments of the invention, body structure 100 are described referring to Fig. 1 to Fig. 7 And refrigerator.
The invention proposes first aspects to propose a kind of switching mechanism 1, is set on body structure 100, body structure 100 include cabinet 102 and the door body 104 being connected with cabinet 102, and described as shown in Figure 1 to Figure 4, switching mechanism 1 includes: driving group Part 12, driving assembly 12 include driving device 122 interconnected and executive device 124, and executive device 124 can be in driving device It is moved under 122 driving;One in energy storage component 16, energy storage component 16 and driving assembly 12 is set on cabinet 102, another A to be set in door body 104, energy storage component 16 includes elastic element 162;Wherein, during switching mechanism 1 works, driving Device 122 drives executive device 124 to move towards elastic element 162 and is in contact with elastic element 162, so that elastic element 162 deformation occurs, until door body 104 is separated with 102 phase of cabinet.
Switching mechanism 1 proposed by the present invention is applied to the body structure 100 with door body 104, specifically being set to refrigerator On, and one in driving assembly 12 and energy storage component 16 is set on the cabinet 102 of refrigerator, another is set to refrigerator In door body 104.During the enabling of refrigerator, at the first enabling stage, driving device 122 applies to executing agency to be pushed away Power is applied driving device 122 using the elastic deformation of elastic element 162 so that executing agency is in contact with elastic element 162 The thrust added is converted into elastic potential energy;At the second enabling stage, driving device 122 continues to thrust, and elastic element 162 is pressed Compression deformation reaches the limit of not redeformation after value, and elastic element 162 can be equal to rigid connection, and executive device 124 is given at this time Whole thrusts of elastic element 162 are given, a part is converted into elastic potential energy storage, remaining is applied to door by elastic element 162 On body 104, refrigerator door 104 is pushed to move, and door body 104 is driven to cross door closer limit;When third opens the door the stage, door body 104 cross door closer limit, and door body 104, which moves suffered resistance, to be reduced suddenly, at this time the elasticity before elastic element 162 Potential energy release, elastic element 162 are deformed to a reaction force of executive device 124, this reaction force is to door body 104 1 Refrigerator door 104 is opened to maximum angle, realizes refrigerator total travel automatic door opening by enabling acceleration.
Specifically, the first enabling stage need to overcome magnetic adsorption type sealing strip adsorption capacity and last time open the door after hot-air The negative pressure generated after contracting on cooling in into cabinet 102, the power that this stage needs to overcome are maximum;Second enabling stage needed The self-lock force of the door closer of refrigerator door 104 and the frictional force of hinge are overcome, less than the first enabling stage power to be overcome;The The three open-door stage needs to overcome the frictional force of hinge, hence it is evident that less than the second enabling stage power to be overcome.Therefore, the present invention mentions Switching mechanism 1 out passes through the mutual cooperation of driving assembly 12 and energy storage component 16, opens the door stage and the second enabling rank first Section by thrust a part that driving device 122 is applied be converted into elastic potential energy storage, door body 104 cross door closer limit into Enter the moment in third enabling stage, elastic element 162 is deformed to a reaction force of executive device 124, so that door body 104 has There is an enabling acceleration, door body 104 is opened to maximum angle, realizes total travel automatic door opening, increases open angle, mentions High enabling speed realizes that the first enabling stage and the second enabling stage at the uniform velocity open the door, and the third enabling stage quickly opens the door, and satisfaction is opened The door of requirement during to(for) enabling speed.
In one embodiment of the invention, it is preferable that as shown in Figures 2 and 3, energy storage component 16 further include: sliding rail 164, elastic element 162 is located in sliding rail 164;Sliding block 166 is connected with elastic element 162, and sliding block 166 can be in executive device It is slided under 124 effects along sliding rail 164, so that deformation occurs for elastic element 162.
In this embodiment, energy storage component 16 further includes mutually matched sliding rail 164 and sliding block 166, wherein by elastic member Part 162 is set in sliding rail 164, and sliding block 166 is arranged in its end.During switching mechanism 1 works, executive device 124 with move towards 166 side of sliding block and abutted against with sliding block 166, and sliding block 166 is promoted to move along sliding rail 164, so that elastic Elastic deformation occurs for element 162, and then converts elastic potential for the part thrust that driving device 122 is applied to executive device 124 It can be stored in elastic element 162.
In one embodiment of the invention, it is preferable that as shown in Figures 2 and 3, energy storage component 16 further include: guide post 168, it is set in sliding rail 164, elastic element 162 is sheathed in guide post 168;Cover board 170, is movably set to sliding rail 164 position, for covering sliding rail 164.
In this embodiment, it is provided with guide post 168 in sliding rail 164, and elastic element 162 is sheathed on guide post On 168, so that it is to play the role of guiding that in elastic element 162 elastic deformation, which occurs, for guide post 168;It is set near sliding rail 164 Cover board 170 is set, specifically, one end of cover board 170 is connected with door body 104 or cabinet 102, and the other end is adjusted as free end Cover board 170 covers sliding rail 164 and the elastic element 162 inside sliding rail 164, avoids the elasticity under elastic deformation state Element 162 is exposed, the security performance of lifting switch mechanism 1.
In one embodiment of the invention, it is preferable that as shown in Figure 1, driving assembly 12 further include: pedestal, driving dress 122 are set to be located on pedestal;Transmission component 130 is connected with the output end of driving device 122;Clutch gear group 132, with transmission Component 130 and executive device 124 are connected.
In this embodiment, driving assembly 12 should include pedestal, and specifically, top base 126 and bottom base 128 are connected with each other Installation cavity is formed, driving device 122, transmission component 130 and clutch gear group 132 are set in installation cavity, avoid its exposed Outside, guarantee the service life of driving assembly 12;Transmission component 130 is connected with the output end of driving device 122, and will be from It closes gear set 132 to be connected with transmission component 130 and executive device 124, guarantees the transmitting of 122 output torque of driving device, into And guarantee the driving to executive device 124, realize enabling or shutdown movement.
In one embodiment of the invention, it is preferable that as shown in Figure 1, transmission component 130 includes: worm screw 134, with drive The output end of dynamic device 122 is connected;Turbine 136 is meshed with worm screw 134 and clutch gear group 132.
In this embodiment, it is the overall structure for simplifying driving assembly 12, and considers 1 overall structure size of switching mechanism And its limitation of locating space environment, it selects the worm screw 134 being mutually adapted, turbine 136 to be used as transmission component 130, is driven with realizing The transmitting of dynamic 122 output torque of device.
Specifically, driving device 122 is driving motor, worm screw 134 is set on the output shaft of driving motor, turbine 136 are connected with worm screw 134.
In one embodiment of the invention, it is preferable that as shown in Figure 1, clutch gear group 132 includes: transmission shaft 140; First clutch gear 142, is sheathed on transmission shaft 140, is meshed with turbine 136;Second clutch gear 144, is sheathed on transmission shaft 140, it is meshed with the rack structure of executive device 124.
In this embodiment, clutch gear group 132 includes transmission shaft 140 and the first clutch being sheathed on transmission shaft 140 Gear 142 and the second clutch gear 144.Specifically, the first clutch gear 142 is nibbled with turbine 136 by 138 phase of transmission gear It closes, the second clutch gear 144 is meshed with the rack structure of executive device 124;When turbine 136 drives the first clutch gear 142 When rotation, can also it rotate with the second clutch gear 144 of the first clutch gear 142 coaxial arrangement, and then drive and execute dress 124 movements are set, to drive door body 104 to open or close.
It is worth noting that, the second clutch gear 144 is imperfect gear, i.e. the radial direction of the second clutch gear 144 is not Toothing is distributed with completely, but be partially arranged.After executive device 124 moves to maximum displacement, the second clutch gear 144 Toothing is just separated with the rack structure of executive device 124, disconnects the transmission of 122 torque of driving device.
In one embodiment of the invention, it is preferable that as shown in Figure 1, driving assembly 12 further include: reset element 146, It is set on pedestal, is connected with executive device 124;Wherein, in the case where moving to predeterminated position based on executive device 124, The toothing of second clutch gear 144 is mutually separated with rack structure, and executive device 124 is separate under the action of reset element 146 Energy storage component 16 moves.
In this embodiment, the reset element 146 being connected with executive device 124, reset element 146 are set on the base It is arranged using elastic component.During switching mechanism 1 works, driving device 122 drives executive device 124 to move, to push Door body 104 opens or closes;When executive device 124 moves to maximum displacement, the toothing and rack gear of the second clutch gear 144 Structure mutually separates, and disconnects the transmission of 122 torque of driving device, executive device 124 can be under the action of reset element 146 at this time Along backtracking, to guarantee the smooth execution opened the door or shutdown acts next time.Specifically, predeterminated position is executive device 124 It runs to the position of range.
In one embodiment of the invention, it is preferable that as shown in Figure 1, driving assembly 12 further include: detection device, if It is placed in pedestal and executive device 124, for detecting the position of executive device 124;Controller is connected with detection device, uses It works in controlling driving device 122 according to the testing result of detection device.
In this embodiment, it is provided with detection device on pedestal and executive device 124, and be provided with and detection device phase The controller of connection.During switching mechanism 1 works, the position of executive device 124 is detected, by detection device to know Whether complete to open the door or shutdown acts;After detection device detection has been completed to open the door or shutdown acts, controller control Driving device 122 stops working, and otherwise controls driving device 122 and works on, until completing enabling or shutdown movement.
In one embodiment of the invention, it is preferable that as shown in Figure 1, detection device includes: Hall sensor 148, if It is placed on pedestal, is connected with controller;Magnetic part 150 is set in executive device 124, and magnetic part 150 can be with executive device 124 movements;Wherein, during executive device 124 moves, the position of magnetic part 150 is detected by Hall sensor 148, So that controller works according to the position control driving device 122 of magnetic part 150.
In this embodiment, detection device includes mutually matched Hall sensor 148 and magnetic part 150.It wherein, will suddenly You are set on location control plate 152 sensor 148, and are connected with controller;Magnetic part 150 is set to executive device On 124, magnetic part 150 can be moved with executive device 124.Drive the movement of executive device 124 to complete to open the door in driving device 122 During movement, magnetic part 150 is moved with executive device 124.When magnetic part 150 moves near Hall sensor 148, Hall sensor 148 detects magnetic part 150, and to know the movement travel of executive device 124, controller is according to executive device 124 movement travel control driving device 122, which stops working, completes door opening action.
In one embodiment of the invention, it is preferable that detection device includes: travel switch, is set on pedestal, with control Device processed is connected;Wherein, during executive device 124 moves, controller controls 122 work of driving device by travel switch Make.
In this embodiment, including travel switch.Specifically, travel switch is set on pedestal, and is connected with controller It connects, during driving device 122 drives the movement of executive device 124 to complete door opening action, when executive device 124 moves to When near travel switch, travel switch detects executive device 124, to know the movement travel of executive device 124, controller root It stops working according to the movement travel control driving device 122 of executive device 124 and completes door opening action.
Second aspect of the present invention proposes a kind of body structure 100, as shown in Figures 4 to 7, comprising: cabinet 102;Door body 104, it is connected with cabinet 102;And the switching mechanism 1 of any one of first aspect present invention, switching mechanism 1 are set to cabinet 102 and door body 104 on;In the case where being set to cabinet 102 based on driving assembly 12, energy storage component 16 is set in door body 104; In the case where being set to door body 104 based on driving assembly 12, energy storage component 16 is set on cabinet 102.
Body structure 100 proposed by the present invention due to including the switching mechanism 1 such as any one of first aspect present invention, Whole beneficial effects with above-mentioned switching mechanism 1, therefore repeat no more.
In addition, when driving assembly 12 is set to cabinet 102, energy storage component 16 is connected with door body 104, to drive door body 104 movements;When driving assembly 12 is set to door body 104, energy storage component 16 is connected with cabinet 102, is driven in the reverse direction door body 104 Movement.Specifically, switching mechanism 1 can be set in the middle part of cabinet 102, top or lower part.
It includes the switching mechanism 1 such as any one of first aspect present invention that third aspect present invention, which proposes a kind of refrigerator,;Or The body structure 100 of second aspect of the present invention, therefore whole beneficial effects with above-mentioned switching mechanism 1, therefore repeat no more.
Switching mechanism 1 proposed by the present invention is compared to existing motor mate gear and the driving method of rack structure increases Energy storage component 16 cooperates driving assembly 12 to move, and increases open angle, and improve enabling speed;It is compared to existing electricity The door-opening mode of magnetic solenoid, it can be achieved that at the uniform velocity open the door early period, crossed refrigerator it is self-locking after accelerated, since this stage only needs Overcome the frictional force of hinge axis, enabling power is relatively small, and acceleration shock power is small, opens the door gentle.
In specific embodiment, body structure 100 proposed by the present invention is refrigeration equipment, more specifically, being a kind of refrigerator.? During refrigerator open, it is broadly divided into three enabling stages.Wherein, the first enabling stage needed to overcome magnetic adsorption type sealing strip Adsorption capacity and last time open the door after hot-air enter contracted on cooling in cabinet 102 after the negative pressure that generates, this stage needs gram The power of clothes is maximum;Second enabling stage needed to overcome the self-lock force of the door closer of refrigerator door 104 and the frictional force of hinge, was less than The first enabling stage power to be overcome;The third enabling stage needs to overcome the frictional force of hinge, hence it is evident that less than the second enabling rank The section power to be overcome.Therefore, switching mechanism 1 proposed by the present invention passes through the phase interworking of driving assembly 12 and energy storage component 16 It closes, converts elastic potential energy for thrust a part that driving device 122 is applied in the first enabling stage and the second enabling stage Storage crosses the moment that door closer limit enters the third enabling stage in door body 104, and elastic element 162 is deformed to executive device Door body 104 is opened to maximum angle so that door body 104 has an enabling acceleration by 124 reaction force, real It now quickly opens the door, and expands the open angle of refrigerator, solve open angle and enabling speed issue during refrigerator open.
In specific embodiment, as shown in figure 4, being provided with pedestal in door body 104, and it is provided with driving electricity on the base Machine is provided with worm screw 134 on the output shaft of driving motor, and turbine 136 is meshed with worm screw 134 with transmission gear 138, transmission Gear 138 engages connection with the first clutch gear 142, the second clutch gear 144 and the coaxial arrangement of the first clutch gear 142 and with Rack gear push rod is meshed, and constitutes moment transmiting system, guarantees the transmission of driving motor torque;Sliding rail is provided in door body 104 164, guide post 168 is provided in sliding rail 164 and is sheathed on the elastic element 162 of guide post 168, and elastic element 162 is close to case One end of body 102 is provided with sliding block 166;Elastic shape can occur under the action of sliding block 166 and rack gear push rod for elastic element 162 Become;It is provided with location control plate 152 on shell, is provided with Hall sensor 148 on location control plate 152, on rack gear push rod It is provided with magnetic part 150, Hall sensor 148 is connected with controller, and controller passes through Hall sensor 148 and magnetic part 150 mutual cooperation obtains the position of door body 104, to control driving motor work.
Before refrigerator open, as shown in figure 5, stored energy mechanism is not contacted with push rod, there are certain intervals.In refrigerator open During, driving motor torque is transmitted by worm screw 134, turbine 136, transmission gear 138 and clutch gear group 132, is driven Rack gear pushrod movement, rack gear push rod are in contact with the sliding block 166 of energy storage component 16, and sliding block 166 is pushed to move along sliding rail 164, press Contracting elastic element 162 deforms, and the part thrust of rack gear push rod is converted into elastic potential energy, completes energy storage.Then driving motor after Continuous rotation, and the continuation of rack gear push rod is pushed to move along enabling direction, as shown in fig. 6, sliding block 166 is contacted with door body 104 at this time, bullet Property element 162 value is reached the limit of by compressive deformation after, elastic element 162 is not deforming, elastic element 162 can be equal rigidity connect Connection mechanism, driving mechanism give whole thrusts of energy storage component 16, and a part is converted into elastic potential energy storage, remaining passes through energy storage On the refrigerator door 104 that component 16 applies, refrigerator door 104 is pushed to move.As shown in fig. 7, when door body 104 run to away from Sphere of action from the door closer that falls off, door closer self-lock force disappear, and enabling resistance is only left the friction of hinge axis or sliding rail 164 Power.Pressure suffered by elastic element 162 disappears at this time, and elastic element 162 will be restored to free state, elastic element 162 The potential energy meeting abrupt release of storage, under the reaction force of rack gear push rod, door body 104 has an enabling acceleration, pushes ice Chamber door body 104 quickly moves, and door body 104 is opened to extreme position.When rack gear push rod runs to range, Hall element Detect that the signal of magnetic part 150, controller control driving motor stop working.At the same time, the tooth of the second clutch gear 144 Structure is disengaged from rack gear push rod, and rack gear push rod resets under the action of reset element 146.
In the description of the present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly, term The orientation or positional relationship of the instructions such as "upper", "lower" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific Orientation construction and operation, therefore be not considered as limiting the invention;Term " connection ", " installation ", " fixation " etc. should all It is interpreted broadly, for example, " connection " may be fixed connection or may be dismantle connection, or integral connection;It can be straight Connect it is connected, can also be indirectly connected through an intermediary.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with Suitable mode combines.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification, Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (12)

1. a kind of switching mechanism, is set on body structure, the body structure includes cabinet and is connected with the cabinet Door body, which is characterized in that the switching mechanism includes:
Driving assembly, the driving component include driving device and executive device interconnected, and the executive device can be in institute It states and is moved under the driving of driving device;
One in energy storage component, the energy storage component and the driving component is set on the cabinet, another is set to In the door body, the energy storage component includes elastic element;
Wherein, during the switching mechanism works, the driving device drives the executive device towards the elasticity Element, which moves, to be simultaneously in contact with the elastic element so that deformation occurs for the elastic element, until the door body with it is described Cabinet mutually separates.
2. switching mechanism according to claim 1, which is characterized in that the energy storage component further include:
Sliding rail, the elastic element are located in the sliding rail;
Sliding block is connected with the elastic element, and the sliding block can act on the sliding of sliding rail described in lower edge in the executive device, with So that deformation occurs for the elastic element.
3. switching mechanism according to claim 2, which is characterized in that the energy storage component further include:
Guide post is set in the sliding rail, and the elastic element is sheathed in the guide post;
Cover board is movably set to the position of the sliding rail, for covering the sliding rail.
4. switching mechanism according to any one of claim 1 to 3, which is characterized in that the driving component further include:
Pedestal, the driving device are located on the pedestal;
Transmission component is connected with the output end of the driving device;
Clutch gear group is connected with the transmission component and the executive device.
5. switching mechanism according to claim 4, which is characterized in that the transmission component includes:
Worm screw is connected with the output end of the driving device;
Turbine is meshed with the worm screw and the clutch gear group.
6. switching mechanism according to claim 5, which is characterized in that the clutch gear group includes:
Transmission shaft;
First clutch gear is sheathed on the transmission shaft, is meshed with the turbine;
Second clutch gear is sheathed on the transmission shaft, is meshed with the rack structure of the executive device.
7. switching mechanism according to claim 6, which is characterized in that the driving component further include:
Reset element is set on the pedestal, is connected with the executive device;
Wherein, in the case where moving to predeterminated position based on the executive device, the toothing of second clutch gear and institute It states rack structure mutually to separate, the executive device moves under the action of the reset element far from the energy storage component.
8. switching mechanism according to claim 4, which is characterized in that the driving component further include:
Detection device is set in the pedestal and the executive device, for detecting the position of the executive device;
Controller is connected with the detection device, fills for controlling the driving according to the testing result of the detection device Set work.
9. switching mechanism according to claim 8, which is characterized in that the detection device includes:
Hall sensor is set on the pedestal, is connected with the controller;
Magnetic part is set in the executive device, and the magnetic part can be moved with the executive device;
Wherein, during the executive device moves, the position of the magnetic part is detected by the Hall sensor, with So that controller driving device according to the position control of the magnetic part works.
10. switching mechanism according to claim 8, which is characterized in that the detection device includes:
Travel switch is set on the pedestal, is connected with the controller;
Wherein, during the executive device moves, the controller controls the driving dress by the travel switch Set work.
11. a kind of body structure characterized by comprising
Cabinet;
Door body is connected with the cabinet;And
Switching mechanism as described in any one of claims 1 to 10, the switching mechanism are set to the cabinet and the door On body;
In the case where being set to the cabinet based on the driving component, the energy storage component is set in the door body;
In the case where being set to the door body based on the driving component, the energy storage component is set on the cabinet.
12. a kind of refrigerator characterized by comprising
Switching mechanism as described in any one of claims 1 to 10;Or
Body structure as claimed in claim 11.
CN201910234811.0A 2019-03-26 2019-03-26 Switch mechanism, box body structure and refrigerator Active CN109898945B (en)

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CN110887337A (en) * 2019-10-18 2020-03-17 珠海格力电器股份有限公司 Refrigerator door opening and closing control method based on angle and angular velocity, computer readable storage medium and refrigerator
CN111042694A (en) * 2019-12-24 2020-04-21 长虹美菱股份有限公司 Automatic door opening and closing device for refrigerator and refrigerator based on same
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CN112252889A (en) * 2019-07-22 2021-01-22 海信(山东)冰箱有限公司 Control method for opening and closing door device of refrigerator and refrigerator
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CN113482476A (en) * 2021-07-17 2021-10-08 广东东泰五金精密制造有限公司 A press and open resetting means for furniture
CN115354934A (en) * 2022-09-22 2022-11-18 厦门市美头山五金制造有限公司 Automatic door closing device

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