CN109405394A - A kind of refrigerator cold-storage interval regulating device and its working method - Google Patents
A kind of refrigerator cold-storage interval regulating device and its working method Download PDFInfo
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- CN109405394A CN109405394A CN201811451704.5A CN201811451704A CN109405394A CN 109405394 A CN109405394 A CN 109405394A CN 201811451704 A CN201811451704 A CN 201811451704A CN 109405394 A CN109405394 A CN 109405394A
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- Prior art keywords
- connecting rod
- gear
- refrigerator
- regulating device
- motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/16—Convertible refrigerators
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Refrigerator Housings (AREA)
Abstract
A kind of refrigerator cold-storage interval regulating device and its working method, refrigerator cold-storage interval regulating device includes partition, the flexible grid of one group of connecting rod and driving unit, the partition is equipped with rail block on one side, the connecting rod stretches grid one end on rail block, and the other end connects the driving unit.Refrigerator cold-storage interval of the present invention regulating device, its is structurally reasonable compact, it takes up space small, the position for changing the flexible grid of connecting rod is driven by driving unit, realize the lifting of partition, by a kind of adjusting at low cost, realizing refrigerator shelf spacing in a manner of high reliablity, so that refrigerator cold-storage partition is realized step-less adjustment according to user demand, improve user experience.
Description
Technical field
The invention belongs to family's electro-technical fields, and in particular, to a kind of refrigerator cold-storage interval regulating device and its work
Method especially but is not limited to the automatic lifting applied to household electrical appliance refrigerator inside partition.
Background technique
The distance of the refrigeration spacing board of refrigerator is largely fixed or can only extract out manually currently on the market
Partition control interval, such user some large-sized articles when using refrigerator can not be put into refrigerator or can not make completely
The space of refrigerator is used, it is very constant.
Realize that partition automatic lifting has to technical solution in the prior art: screw rod lifting and drag-line lifting.Patent No.
The Chinese invention patent of CN106642961A discloses a kind of device that partition lifting is realized with drag-line, this scheme
The disadvantage is that be not carried out it is self-locking, under case of heavy load be possible to cord break or partition decline.Patent No. CN108088165A's
Chinese invention patent discloses a kind of device of screw-type realization partition automatic lifting, passes through motor and rotates drive ball screw
Rotation, thus the automatic lifting with dynamic dividing plate.This device requirement on machining accuracy is high, and later maintenance is cumbersome, does not meet household electrical appliances production
The development trend of industry.
Summary of the invention
Goal of the invention: for overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of refrigerator cold-storage interval use
The working method of regulating device and the refrigerator cold-storage interval regulating device.
Technical solution: the present invention provides a kind of refrigerator cold-storage interval regulating device, including partition, one group of connecting rod are flexible
Grid and driving unit, the partition are equipped with rail block on one side, and the connecting rod stretches grid one end on rail block, the other end
Connect the driving unit.Refrigerator cold-storage interval of the present invention regulating device, it is structurally reasonable compact, it takes up space
It is small, the position for changing the flexible grid of connecting rod is driven by driving unit, realizes the lifting of partition, with a kind of at low cost, reliability
High mode realizes the adjusting of refrigerator shelf spacing, so that refrigerator cold-storage partition is realized step-less adjustment according to user demand, changes
Kind user experience.
Further, above-mentioned refrigerator cold-storage interval regulating device, the rail block are equipped with track groove；The connecting rod
Flexible grid includes first connecting rod, second connecting rod, third connecting rod and fourth link, is led in the middle part of the first connecting rod and second connecting rod
It is hinged to cross pin shaft, it is hinged by pin shaft in the middle part of the third connecting rod and fourth link；The first connecting rod one end passes through pin shaft
Hinged with third connecting rod one end, described first connecting rod the other end is set to track groove by pin shaft, and can be along the rail
The sliding of road slot, the third connecting rod one end connect the driving unit；The second connecting rod one end passes through pin shaft and the 4th
Connecting rod one end is hinged, and described second connecting rod the other end is fixed on the rail block by pin shaft, and the fourth link is another
One end is hinged by pin shaft and rack.In order to support the partition, at least gone up and down using two groups of flexible grid driving partitions, together
When in order to stablize partition lifting process, two or more sets shrinking connecting-rod grids should move synchronously, and this programme is driven using belt
Mode realize synchronization, first group of connecting rod stretch grid system driven gear on be rigidly connected belt pulley, second group of connecting rod is stretched
Same rigidly connected belt pulley on the screw rod of contracting grid system, two belt pulleys are connected by belt and are driven, and realize that connecting rod is flexible
The synchronization action of grid.As a preference, bar linkage telescopic mechanism is made of double leval jib, naturally it is also possible to as needed, use
Six-bar linkage, eight connecting rods or more.Wherein, the flexible grid of the connecting rod is divided into driving end and actuating station, drives two of end
Connecting rod is connected with driving unit and refrigerator rack respectively, and two connecting rods of actuating station are connected with refrigerator shelf.In addition, described
The connection of connecting rod flexible grid actuating station and refrigerator shelf, is by the fixed rotating shaft hole being arranged in refrigerator shelf and track groove
It realizes, this shaft hole and track groove and two connecting rods of the flexible grid actuating station of the connecting rod cooperate, a link rod head band
Pivot pin cooperates with fixed rotating shaft hole, this connecting rod can be rotated around fixed rotating shaft hole, and another link rod head is equally equipped with shaft
Pin, and match with track groove and merge and can slide and rotate along track groove.
Further, above-mentioned refrigerator cold-storage interval regulating device, the driving unit include motor, driving gear,
Driven gear, screw rod, first pulley, the second belt wheel and belt, the main shaft of the motor are equipped with driving gear；The belt
On one belt wheel and the second belt wheel, and it can be rotated along the first pulley and the second belt wheel；The first pulley and the second belt wheel
On be respectively equipped with screw rod, driven gear is additionally provided in the first pulley, the driven gear is engaged with the driving gear；Institute
It states and is additionally provided with nut on screw rod, and the nut can be rotated along the screw rod.As a kind of preferred embodiment of the invention, institute
State connecting rod stretch grid driving end a connecting rod driven by driving unit, be fixed on another connecting rod pin shaft and be fixed on
Shaft hole cooperation in refrigerator rack；The driving unit is equipped with driving gear using motor as driving element on motor, with drive
Moving gear engagement is driven gear, and screw rod is fixedly installed on driven gear, and screw rod and nut cooperate, be provided with and turn on nut
Axis hole；The flexible grid driving end of connecting rod and the connecting rod front end of driving unit cooperation are fixedly installed with pin shaft, on this pin shaft and nut
Shaft hole cooperation；Motor-driven gear rotation drives screw rod rotation, and then nut linear motion is driven to change two, end of driving
The corner dimension of connecting rod, and then keep the flexible grid of connecting rod flexible, realize the up and down adjustment of partition.And because connecting rod stretches grid itself
Characteristic, this regulating mechanism have mechanical position limitation effect, partition adjusting will not be made to overstep the extreme limit, and then damage refrigerator.In addition, in addition to
Two groups of bar linkage telescopic mechanisms synchronize the form for taking preferred belt pulley, and sprocket wheel transmission either gear and rack gear can be used to pass
Dynamic mode substitutes.
Further, above-mentioned refrigerator cold-storage interval regulating device, described third connecting rod the other end by pin shaft with
Nut is hinged.The cooperation of feed screw nut has self-locking function, it is ensured that partition can keep partition position when adjusting in place
It is constant.
Further, above-mentioned refrigerator cold-storage interval regulating device, the driving unit include motor, worm gear, worm screw,
Connecting rod, gear, rack gear, the connecting rod middle part are equipped with worm gear, and the connecting rod two end portion is respectively equipped with gear；The rack gear and third
Connecting rod the other end is hinged by pin shaft, and the rack and pinion engages；The main shaft of the motor is equipped with worm screw, the snail
Wheel and worm screw engagement.As another preferred embodiment of the invention, by Worm Wheel System, screw rod adds rack pinion
Mode: rack gear and connecting rod are rigidly connected, and gear rotate driving rack gear is mobile, and the rotation of gear, gear are in parallel with a worm gear, electricity
Machine drives the rotation of worm drive worm gear, and then sliding tooth wheel rotates, and moves rack gear.And then change connecting rod position, it realizes
Lifting.
Further, above-mentioned refrigerator cold-storage interval regulating device, further includes refrigerator main control module, the refrigerator master
Control module and electrical connection of motor.User assigns the order that partition is gone up and down to driving unit by refrigerator control module, uses
Refrigerator main control module and direct current generator cooperate, and when overcurrent protection, direct current generator stops operating, and partition stops at current location
Place.In addition, the motor is the motor with rotary encoder as a preferred method, rotary encoder and refrigerator are controlled
Module is connected, and in real time to the rotational angle of refrigerator feedback motor, and then calculates the actual lifting position of partition.
Further, above-mentioned refrigerator cold-storage interval regulating device, further includes sensor, the sensor and refrigerator master
Control module is electrically connected；The sensor includes displacement sensor, angular transducer.The sensor can be set to nut,
On rack gear, displacement sensor is added on nut, rack gear or adds the modes such as angular transducer on gear to realize
The real time position feedback of entire regulating system.By the way that sensor is added in the driving unit, by driving real time position feedback to ice
Refrigerator spacing distance can be arranged in case main control module, user directly in refrigerator main control module, and refrigerator main control module is automatic
Partition is adjusted to corresponding position.Refrigerator main control module is controlled by the signal of receiving sensor by logic circuit logic judgment
The automation and high-precision of the course of work may be implemented in motor rotation, and automates high with intelligence degree.In addition, can also
Other control circuits are selected as needed, are selected according to different application environments, and applicability is good.
The invention also discloses a kind of working methods of refrigerator cold-storage interval regulating device, comprising the following steps: refrigerator
After main control module receives user's instruction, electrical power is controlled, after motor rotation, drives the rotation of sliding tooth wheel, sliding tooth
Wheel drives driven gear rotation, and driven gear drives first pulley and the screw rod connecting with first pulley rotation, passes through simultaneously
Belt drives the second belt wheel and the screw rod connecting with the second belt wheel to rotate synchronously；Nut is moved along screw rod, and first connecting rod is along rail
Slot sliding in road drives the flexible grid synchronization telescope of connecting rod, realizes the steady lifting of partition.Meanwhile motor encoder is in real time to ice
Case main control module feeds back the position in entire adjustment process.The work side of refrigerator cold-storage interval of the present invention regulating device
Method, method is reasonable, easy to use, safety and stability.
The invention also discloses a kind of working methods of refrigerator cold-storage interval regulating device, comprising the following steps: refrigerator
After main control module receives user's instruction, electrical power is controlled, after motor rotation, motor rotation drives worm screw rotation, snail
Bar drives worm gear rotation, and worm gear rotation drives connecting rod and the gear being connected on connecting rod rotation, gear rotate driving rack gear to move
Dynamic, first connecting rod is slided along track groove, is driven the flexible grid synchronization telescope of connecting rod, is realized the steady lifting of partition.Institute of the present invention
The working method of refrigerator cold-storage interval regulating device is stated, method is reasonable, and easy to use, safety and stability passes through worm and gear
Cooperation is realized self-locking.In addition, by adjusting motor or pcb board program, adjustable self-lock force numerical value is needed with adapting to more occasions
It wants, so that self-lock force size changes, to adapt to a variety of demands, the height for effectively adjusting partition as needed may be implemented, adjust
It is convenient, while the transmission device has the advantages that noise is low.The partition apparatus for automatically lifting is set in refrigerator, can arbitrarily be adjusted
Height and the position for saving partition facilitate storage and take out large volume of article, conveniently make for increasingly taller and bigger refrigerator
With with high application value.
Further, the working method of above-mentioned refrigerator cold-storage interval regulating device, comprising the following steps: sensor will
Signal sends refrigerator main control module to, and refrigerator main control module controls signal motor after logic circuit logic judgment and stops
Only work.By the detection of sensor, the automation and intelligence of lifting may be implemented, and logic control is simple, there is pole
High application value.
Above-mentioned technical proposal can be seen that the invention has the following beneficial effects: refrigerator cold-storage intervals of the present invention
With regulating device may be implemented refrigerator cold-storage partition automatic stepless adjust, compared with full wire bar up-down mode, manufacturing cost compared with
Low, reliability is higher, and is easier to popularize.Also, this device carries mechanical position limitation function, passes through screw rod and nut/rack gear
With the cooperation of gear, no longer needs to setting partition electronic limit and protect system, over current of motor protection need to be only set.
Detailed description of the invention
Fig. 1 is structural schematic diagram when refrigerator cold-storage interval of the present invention is applied with regulating device；
Fig. 2-3 is the structural schematic diagram of refrigerator cold-storage interval regulating device described in the embodiment of the present invention 1；
Fig. 4 is the structural schematic diagram of refrigerator cold-storage interval regulating device described in the embodiment of the present invention 2；
Fig. 5 is that refrigerator cold-storage interval of the present invention regulating device is electrically connected schematic diagram；
In figure: 1 partition, 11 rail blocks, 111 track grooves, 2 connecting rods flexible grid, 21 first connecting rods, 22 second connecting rods, 23 thirds
Connecting rod, 24 fourth links, 3 driving units, 31 motors, 32 driving gears, 33 driven gears, 34 screw rods, 35 first pulleys, 36 the
Two belt wheels, 37 belts, 38 worm gears, 39 worm screws, 310 connecting rods, 311 gears, 312 rack gears, 4 racks, 5 nuts, 6 refrigerator master control moldings
Block, 7 refrigerators.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " clockwise ", " inverse
The orientation or positional relationship of the instructions such as hour hands " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description originally
Invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific side
Position construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two
It is a or more than two, unless otherwise restricted clearly.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Embodiment 1
Refrigerator cold-storage interval regulating device as shown in Figure 1, is installed in 7 cabinet of refrigerator, including 1, one group of connecting rod of partition is stretched
Contracting grid 2 and driving unit 3,1 one side of partition are equipped with rail block 11, and the connecting rod stretches 2 one end of grid set on rail block
On 11, the other end connects the driving unit 3.
Wherein, as Figure 2-3, the rail block 11 is equipped with track groove 111, in addition, the connecting rod stretches, grid 2 is wrapped
Include first connecting rod 21, second connecting rod 22, third connecting rod 23 and fourth link 24,22 middle part of the first connecting rod 21 and second connecting rod
It is hinged by pin shaft, it is hinged by pin shaft in the middle part of the third connecting rod 23 and fourth link 24；21 one end of first connecting rod
Hinged by pin shaft and 23 one end of third connecting rod, described 21 the other end of first connecting rod is set to track groove 111 by pin shaft,
And can be slided along the track groove 111,23 one end of third connecting rod connects the driving unit 3；The second connecting rod
22 one ends are hinged by pin shaft and 23 one end of fourth link, and institute is fixed on by pin shaft in described 22 the other end of second connecting rod
It states on rail block 11, described 23 the other end of fourth link is hinged by pin shaft and rack 4, and rack 4 is pacified by the way that fixed plate is fixed
On the side wall of inner of the refrigerator of refrigerator 7.
In addition, in the present embodiment, the driving unit 3 includes motor 31, driving gear 32, driven gear 33, screw rod
34, first pulley 35, the second belt wheel 36 and belt 37, the motor 31 are fixedly mounted on the refrigerator of refrigerator 7 by fixed plate
Side wall of inner on (figure do not regard).In addition, the main shaft of the motor 31 is equipped with driving gear 32；37 first pulley of belt
35 and second on belt wheel 36, and can rotate along the first pulley 35 and the second belt wheel 36；The first pulley 35 and second
Be respectively equipped with screw rod 34 on belt wheel 36, be additionally provided with driven gear 33 in the first pulley 35, the driven gear 33 with it is described
Gear 32 is driven to engage；Nut 5 is additionally provided on the screw rod 34, and the nut 5 can be rotated along the screw rod 34.In addition,
Described 23 the other end of third connecting rod is hinged by pin shaft and nut 5.
Further, above-mentioned refrigerator cold-storage interval regulating device further includes refrigerator main control module 6 and sensing
Device, the nut 5 are equipped with angular transducer.As shown in figure 5, the refrigerator main control module 6 and motor 31 and sensor
It is electrically connected.Refrigerator main control module 6 controls motor by logic circuit logic judgment by the signal of receiving angle sensor
31 rotations.
When above-mentioned refrigerator cold-storage interval adjustment device work, based on above structure basis, working method includes following
Step: after refrigerator main control module 6 receives user's instruction, control motor 31 is powered, and after motor 31 rotates, drives sliding tooth
32 rotation of wheel, driving gear 32 drive driven gear 33 to rotate, and driven gear 33 drives first pulley 35 and and first pulley
The screw rod 34 of 35 connections rotates, while driving the second belt wheel 36 and the screw rod 34 connecting with the second belt wheel 36 same by belt 37
Step rotation；Nut 5 is moved along screw rod 34, and first connecting rod 21 is slided along track groove 111, drives flexible 2 synchronization telescope of grid of connecting rod,
Realize the steady lifting of partition 1.Sensor transmits a signal to refrigerator main control module 6, and refrigerator main control module 6 passes through signal
Control motor 31 stops working after crossing logic circuit logic judgment.
Embodiment 2
A kind of refrigerator cold-storage interval regulating device, including 1, one group of connecting rod of partition stretch grid 2 and driving unit 3, it is described every
1 one side of plate is equipped with rail block 11, and the connecting rod stretches 2 one end of grid on rail block 11, and it is single that the other end connects the driving
Member 3.
Wherein, as shown in figure 4, the rail block 11 is equipped with track groove 111, in addition, the connecting rod stretches, grid 2 includes
First connecting rod 21, second connecting rod 22, third connecting rod 23 and fourth link 24 are led in the middle part of the first connecting rod 21 and second connecting rod 22
It is hinged to cross pin shaft, it is hinged by pin shaft in the middle part of the third connecting rod 23 and fourth link 24；21 one end of first connecting rod is logical
It crosses pin shaft and 23 one end of third connecting rod is hinged, described 21 the other end of first connecting rod is set to track groove 111 by pin shaft, and
It can be slided along the track groove 111,23 one end of third connecting rod connects the driving unit 3；The second connecting rod 22
One end is hinged by pin shaft and 23 one end of fourth link, and described 22 the other end of second connecting rod is fixed on described by pin shaft
On rail block 11, described 23 the other end of fourth link is hinged by pin shaft and rack 4, and rack 4 is fixedly mounted by fixed plate
On the side wall of inner of the refrigerator of refrigerator 7.
In the present embodiment, the driving unit 3 includes motor 31, worm gear 38, worm screw 39, connecting rod 310, gear 311, tooth
Item 312 is equipped with worm gear 38 in the middle part of the connecting rod 310, and 310 both ends of connecting rod are respectively equipped with gear 311；The rack gear 312
It is hinged by pin shaft with 23 the other end of third connecting rod, and the rack gear 312 is engaged with gear 311.In addition, the motor 31 passes through
Fixed plate is fixedly mounted on the side wall of inner of the refrigerator of refrigerator 7.In addition, the main shaft of the motor 31 is equipped with worm screw 39,
The worm gear 38 and worm screw 39 engage.Also, in the present embodiment, the motor 31 is the motor 31 with rotary encoder,
Rotary encoder is connected with refrigerator main control module 6, feeds back the rotational angle of motor 31 to refrigerator main control module 6 in real time, into
And calculate the actual lifting position of partition 1.
When above-mentioned refrigerator cold-storage interval adjustment device work, based on above structure basis, working method includes following
Step: after refrigerator main control module 6 receives user's instruction, control motor 31 is powered, and after motor 31 rotates, motor 31 is rotated
Worm screw 39 is driven to rotate, worm screw 39 drives worm gear 38 to rotate, and the rotation of worm gear 38 drives connecting rod 310 and is connected on connecting rod 310
Gear 311 rotate, 311 rotate driving rack gear 312 of gear is mobile, and first connecting rod 21 is slided along track groove 111, and connecting rod is driven to stretch
2 synchronization telescope of contracting grid realizes the steady lifting of partition 1.Meanwhile motor encoder is fed back to refrigerator main control module 6 in real time
Position in entire adjustment process.When partition 1 reaches highest or extreme lower position, 31 overcurrent protection of motor stops working, partition
1 stops at current position.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as of the invention
Protection scope.
Claims (10)
1. a kind of refrigerator cold-storage interval regulating device, it is characterised in that: including partition (1), one group of connecting rod stretch grid (2) and
Driving unit (3), the partition (1) are equipped with rail block (11) on one side, and the connecting rod stretches grid (2) one end set on rail block
(11) on, the other end connects the driving unit (3).
2. refrigerator cold-storage interval according to claim 1 regulating device, it is characterised in that: set on the rail block (11)
There are track groove (111)；The connecting rod stretch grid (2) include first connecting rod (21), second connecting rod (22), third connecting rod (23) and
It is hinged by pin shaft in the middle part of fourth link (24), the first connecting rod (21) and second connecting rod (22), the third connecting rod (23)
It is hinged with pin shaft is passed through in the middle part of fourth link (24)；First connecting rod (21) one end passes through pin shaft and third connecting rod (23) one
End is hinged, and described first connecting rod (21) the other end is set to track groove (111) by pin shaft, and can be along the track groove
(111) it slides, third connecting rod (23) one end connects the driving unit (3)；Second connecting rod (22) one end is logical
It crosses pin shaft and fourth link (23) one end is hinged, the track is fixed on by pin shaft in described second connecting rod (22) the other end
On block (11), described fourth link (23) the other end is hinged by pin shaft and rack (4).
3. refrigerator cold-storage interval according to claim 2 regulating device, it is characterised in that: driving unit (3) packet
Include motor (31), driving gear (32), driven gear (33), screw rod (34), first pulley (35), the second belt wheel (36) and belt
(37), the main shaft of the motor (31) is equipped with driving gear (32)；Belt (37) first pulley (35) and the second belt wheel
(36) it on, and can be rotated along the first pulley (35) and the second belt wheel (36)；The first pulley (35) and the second belt wheel
(36) it is respectively equipped on screw rod (34), is additionally provided with driven gear (33) on the first pulley (35), the driven gear (33)
It is engaged with the driving gear (32)；It is additionally provided with nut (5) on the screw rod (34), and the nut (5) can be along described
Screw rod (34) rotation.
4. refrigerator cold-storage interval according to claim 3 regulating device, it is characterised in that: the third connecting rod (23) is another
One end is hinged by pin shaft and nut (5).
5. refrigerator cold-storage interval according to claim 2 regulating device, it is characterised in that: driving unit (3) packet
Include motor (31), worm gear (38), worm screw (39), connecting rod (310), gear (311), rack gear (312), connecting rod (310) middle part
Equipped with worm gear (38), connecting rod (310) both ends are respectively equipped with gear (311)；The rack gear (312) and third connecting rod (23)
The other end is hinged by pin shaft, and the rack gear (312) is engaged with gear (311)；The main shaft of the motor (31) is equipped with
Worm screw (39), the worm gear (38) and worm screw (39) engagement.
6. refrigerator cold-storage interval according to claim 1-5 regulating device, it is characterised in that: further include refrigerator
Main control module (6), the refrigerator main control module (6) and motor (31) are electrically connected.
7. refrigerator cold-storage interval according to claim 6 regulating device, it is characterised in that: it further include sensor, it is described
Sensor and refrigerator main control module (6) are electrically connected；The sensor includes displacement sensor, angular transducer.
8. a kind of working method of refrigerator cold-storage interval regulating device, it is characterised in that: the following steps are included: refrigerator main control
After module (6) receives user's instruction, control motor (31) is powered, and after motor (31) rotation, driving gear (32) is driven to turn
Dynamic, driving gear (32) drives driven gear (33) rotation, and driven gear (33) drives first pulley (35) and and first band
Screw rod (34) rotation of (35) connection is taken turns, while even by belt (37) drive the second belt wheel (36) and with the second belt wheel (36)
The screw rod (34) connect rotates synchronously；Nut (5) is mobile along screw rod (34), and first connecting rod (21) is slided along track groove (111), drives
Connecting rod stretches grid (2) synchronization telescope, realizes the steady lifting of partition (1).
9. a kind of working method of refrigerator cold-storage interval regulating device, it is characterised in that: the following steps are included: refrigerator main control
After module (6) receives user's instruction, control motor (31) is powered, and after motor (31) rotation, motor (31) rotation drives snail
Bar (39) rotation, worm screw (39) drive worm gear (38) rotation, and worm gear (38) rotation drives connecting rod (310) and is connected to connecting rod
(310) gear (311) rotation on, gear (311) rotate driving rack gear (312) is mobile, and first connecting rod (21) is along track groove
(111) it slides, drives flexible grid (2) synchronization telescope of connecting rod, realize the steady lifting of partition (1).
10. the working method of refrigerator cold-storage interval regulating device according to claim 8 or claim 9, it is characterised in that: including
Following steps: sensor transmits a signal to refrigerator main control module (6), and refrigerator main control module (6) passes through logic to signal
Control motor (31) stops working after circuit logic judgement.
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| CN201811451704.5A CN109405394A (en) | 2018-11-30 | 2018-11-30 | A kind of refrigerator cold-storage interval regulating device and its working method |
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| CN111457664A (en) * | 2020-04-15 | 2020-07-28 | 长虹美菱股份有限公司 | Position adjusting device for refrigerator partition frame |
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| CN111473597A (en) * | 2020-04-23 | 2020-07-31 | 长虹美菱股份有限公司 | Automatic lifting shelf device of refrigerator |
| CN111649529A (en) * | 2020-06-05 | 2020-09-11 | 长虹美菱股份有限公司 | Intelligent lifting shelf for refrigerator |
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| CN114719552A (en) * | 2021-01-05 | 2022-07-08 | 青岛海尔特种电冰柜有限公司 | Rack assembly and refrigerator |
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