CN116026096A - Automatic turning beam switching device, turning beam and refrigerator - Google Patents

Abstract

The invention provides an automatic turning beam switching device, a turning beam and a refrigerator, and relates to the technical field of refrigerator turning beams. Based on the technical scheme of the invention, the intelligent locking of the refrigerator door body is realized; an unlocking function. The refrigerator door overturning beam realizes automatic rotation and automatic identification reset through motor control, eliminates the phenomenon of cold leakage caused by collision and the fact that the overturning beam rotates in place in the opening and closing process of the refrigerator door, and has convenient use compared with the traditional refrigerator; softer and noiseless.

Description

Automatic turning beam switching device, turning beam and refrigerator

Technical Field

The invention relates to the technical field of refrigerator overturning beams, in particular to an automatic overturning beam switching device, an overturning beam and a refrigerator.

Background

The refrigerator becomes an indispensable household appliance in daily life of people, most of consumers in young families with multiple children have larger demands on the large-capacity and more intelligent double-door refrigerator, advocates on energy-saving and low-carbon life modes, and the tightness of the refrigerator is also emphasized more so as to reduce the consumption of energy.

The patent with publication number of CN 113494801A and patent name of refrigerator discloses the following scheme: a refrigerator, comprising: the box body is internally provided with a storage chamber; a door openable and closable in the storage compartment, the door including a cabinet, a front panel, and a heat insulating material and a reinforcement at least partially located in a heat insulating space between the front panel and the cabinet, the reinforcement extending along an inner side of the cabinet facing the heat insulating space and including a first connection portion protruding outside the cabinet; turning plate; and the connecting component is connected with the turning plate and the door and is connected with the first connecting part.

The patent with publication number of CN 114136042A and patent name of refrigerator with lockable turnover beam discloses the following scheme: comprising the following steps: a case; a door body; the turnover beam is rotationally arranged on the door body and is provided with an unfolding position corresponding to the closing state of the door body and a folding position corresponding to the opening state of the door body; the door comprises a door body, a locking part fixedly arranged on the door body, a linkage piece movably arranged on the turnover beam, a first magnetic attraction piece arranged on the linkage piece and a second magnetic attraction piece arranged on the turnover beam; when the door body is in an open state, the first magnetic attraction piece and the second magnetic attraction piece attract each other, so that the matching end of the linkage piece is matched with the locking part to lock the turnover beam at the folding position, and the triggering end of the linkage piece protrudes out of the turnover beam; when the door body is closed, the box body pushes the trigger end, so that the matching end is separated from the locking part to unlock the turnover beam, and the first magnetic attraction piece and the second magnetic attraction piece are relatively far away.

Both patents are large-capacity double-door refrigerators, and the overturning beam with the sealing and cold leakage preventing functions is designed and installed in the middle of the refrigerator door, but the overturning beam of the refrigerator door disclosed by the two patents realizes overturning through a spring and a mechanical structure in the manual opening and closing process. The turnover beam of the prior patent has the following defects:

1. the defect of large noise and poor tightness caused by collision and cold leakage can be generated in the using process of the refrigerator door overturning beam;

2. the existing refrigerator realizes turnover and locking of the turnover beam by a mechanical structure when the door is opened and closed, and the automation degree of the turnover beam is low.

Disclosure of Invention

The purpose of the invention is that: in order to solve the problems of high noise and low leakage and low automation degree caused by poor tightness when an existing refrigerator turnover beam in the prior art is used for opening and closing a refrigerator door, the invention provides an automatic turnover beam opening and closing device, a turnover beam and a refrigerator.

The technical scheme provided by the invention for realizing the purpose is as follows:

the invention provides an automatic opening and closing device for a turnover beam, which comprises an electromagnetic intelligent locking mechanism, an automatic rotating mechanism, an electromagnetic induction unit and a control unit, wherein the electromagnetic intelligent locking mechanism is used for enabling the turnover beam to be intelligently locked and unlocked, the automatic rotating mechanism drives the turnover beam to rotate, the electromagnetic intelligent locking mechanism, the automatic rotating mechanism and the electromagnetic induction unit are electrically connected with the control unit, and the control unit controls the electromagnetic intelligent locking mechanism and the automatic rotating mechanism to work according to signals of the electromagnetic induction unit.

In one embodiment, the electromagnetic intelligent lock mechanism comprises a telescopic block which is arranged at the top of the turnover beam and can reciprocate along the length direction of the turnover beam, and a linear driving mechanism which is arranged in the turnover beam and is used for driving the telescopic block to move, wherein the linear driving mechanism is electrically connected with the control unit, and a magnet matched with the electromagnetic induction unit is embedded in the telescopic block.

Specifically, the telescopic block is positioned at the middle position of the upper end of the refrigerator door overturning beam, the linear driving mechanism is a built-in linear motor, the linear motor drives the telescopic block to move up and down, and the linear motor moves in the up and down direction along the length direction of the refrigerator door overturning beam.

In one embodiment, the automatic rotating mechanism comprises an upper rotating assembly and a lower rotating mechanism which are arranged at the upper end and the lower end of the turnover beam and drive the turnover beam to synchronously rotate, and the upper rotating assembly and the lower rotating mechanism are electrically connected with the control unit.

Specifically, the arrangement of the upper rotating mechanism and the lower rotating mechanism, and the synchronous rotation of the upper rotating mechanism and the lower rotating mechanism increases the stability of the turnover beam during rotation, and the automatic rotating mechanism is further optimized.

In one embodiment, the upper rotating assembly and the lower rotating mechanism are all automatic hinge mechanisms with the same structure, and the automatic hinge mechanisms comprise automatic hinges for connecting the refrigerator door and the turnover beam and a rotation driving mechanism for driving the automatic hinges to rotate.

In one embodiment, the rotation driving mechanism comprises a hinge driven gear arranged on a rotation shaft of the hinge, a driving gear meshed with the hinge driven gear and a driving motor for driving the driving gear to rotate.

The invention also provides a refrigerator door overturning beam, which comprises an automatic overturning beam switching device, a passive elastic rotating mechanism arranged in the middle of the overturning beam and used for driving the overturning beam to rotate, and a passive elastic driving mechanism arranged in the overturning beam and connected with the telescopic block.

In one embodiment, the passive elastic driving mechanism is arranged in a direction consistent with the length direction of the turnover beam.

The passive elastic driving mechanism is a tension spring, the tension spring is in a compression state, the tension spring and the linear motor are independently arranged, the refrigerator is in a power-off state or in a non-intelligent mode, the intelligent lock structure is invalid, the telescopic block is driven by the tension spring to replace the linear motor, normal use of a user is met, switching of different application scenes can be achieved through different mode settings, and safety and reliability of the user and the product are improved.

In one embodiment, the passive elastic rotating mechanism comprises a passive hinge connecting the refrigerator door and the turnover beam and a passive elastic component driving the passive hinge to rotate.

The refrigerator is in a power-off state or in a non-intelligent mode, the intelligent lock structure is invalid, the automatic rotating mechanism is replaced by the passive elastic rotating mechanism, normal use of a user is met, switching of different application scenes can be achieved through different mode settings, and safety and reliability of the user and the product are improved.

In one embodiment, the passive elastic component comprises elastic block mechanisms symmetrically arranged at two ends of a passive hinge rotating shaft, the elastic block mechanisms comprise a shell, a spring, rotating elastic blocks and moving elastic blocks, the shell is fixed on a turnover beam and is arranged along the length direction of the turnover beam, the spring, the rotating elastic blocks and the moving elastic blocks are sequentially arranged in the shell, one end of the spring is connected with the passive hinge rotating shaft, the other end of the spring is connected with the rotating elastic blocks, the rotating elastic blocks and the moving elastic blocks are mutually contacted, and contact surfaces are of a convex structure with waveforms and are mutually embedded.

The invention also provides a refrigerator, which further comprises a refrigerator body and a refrigerator refrigeration door arranged on the refrigerator body, wherein the turnover beam is arranged in the refrigerator refrigeration door, and the automatic turnover beam opening and closing device is arranged at the corresponding positions of the refrigerator body, the refrigerator refrigeration door and the turnover beam.

The above-described features may be combined in various suitable ways or replaced by equivalent features as long as the object of the present invention can be achieved.

Compared with the prior art, the refrigerator door overturning beam provided by the invention has at least the following beneficial effects:

1. according to the invention, the electromagnetic intelligent lock structure and the automatic rotating structure with electromagnetic induction are arranged on the refrigerator door overturning beam, so that compared with a traditional refrigerator, the refrigerator door overturning beam has the advantages of convenience in use, softness and noiselessness, and a consumer has a more visual and high-quality product experience effect. By adopting the refrigerator, the overturning beam is automatically identified through electromagnetic induction in the opening and closing process of the refrigerator door, so that the intelligent locking and unlocking functions of the refrigerator door body are realized. The refrigerator door overturning beam is controlled by the automatic rotating mechanism to realize automatic rotation and automatic identification and resetting, and the phenomenon of cold leakage caused by collision and the fact that the overturning beam rotates in place in the opening and closing process of the refrigerator door is eliminated.

2. The refrigerator has intelligent mode and non-intelligent mode, and when refrigerator power on state, the user manually clicks intelligent mode button on the refrigerator door body control panel, and the refrigerator of button lamp state of lighting is in intelligent mode, and the button lamp state of turning off is non-intelligent mode. The refrigerator is in a power-off state or in a non-intelligent mode, the electromagnetic intelligent lock structure fails, the telescopic block moves to be driven by a tension spring to replace a linear motor, and the automatic rotating mechanism is replaced by a passive elastic rotating mechanism, so that normal use of a user is met. Different mode settings can realize different application scene switching, and the safety and reliability of users and products are also improved.

Drawings

The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:

fig. 1 is a schematic view of a refrigerator according to the present invention;

FIG. 2 is a schematic view of an automatic switch device for a roll-over beam according to the present invention;

FIG. 3 is a schematic structural view of an electromagnetic smart lock mechanism;

FIG. 4 is a schematic view of the structure of the automatic rotation mechanism;

FIG. 5 is a schematic structural view of a passive elastic rotating mechanism;

FIG. 6 is a schematic structural view of a passive elastic assembly;

FIG. 7 is a view showing a door-closing state of a refrigerator door roll-over beam;

fig. 8 is a view showing a state in which a refrigerator door turnover beam is opened.

In the drawings, like parts are designated with like reference numerals. The figures are not to scale.

Reference numerals:

10. a refrigerator body; 20. a refrigerator refrigeration door; 30; overturning the beam; 40. an automatic switching device; 41. an electromagnetic intelligent lock mechanism; 411. a telescopic block; 412. a linear driving mechanism; 42. a control unit; 43. an electromagnetic induction unit; 44. an automatic rotation mechanism; 441 hinge driven gears; 442. an automatic hinge; 443. a drive gear; 444. a driving motor; 50. a passive elastic rotating mechanism; 51. a passive hinge; 52. a passive elastic component; 521. a housing; 522. a spring; 523. rotating the bullet; 524. a moving bullet; 60. a passive elastic driving mechanism.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-8, an embodiment of the present invention provides an automatic opening and closing device for a turnover beam, which includes an electromagnetic intelligent locking mechanism 41 for realizing intelligent locking and unlocking of the turnover beam 30, an automatic rotating mechanism 44 for driving the turnover beam 30 to rotate, an electromagnetic induction unit 43, and a control unit 42, wherein the electromagnetic intelligent locking mechanism 41, the automatic rotating mechanism 44, and the electromagnetic induction unit 43 are electrically connected with the control unit 42, and the control unit 42 controls the electromagnetic intelligent locking mechanism 41 and the automatic rotating mechanism 44 to work according to signals of the electromagnetic induction unit 43.

Specifically, the embodiment realizes intelligent locking, intelligent unlocking and automatic rotation of the refrigerator door overturning beam through the electromagnetic intelligent locking mechanism 41 and the automatic rotating mechanism 44. The control unit 42 can switch between an intelligent mode and a non-intelligent mode, and the refrigerator is initially in the non-intelligent mode, and a user needs to click an intelligent mode touch button on the control unit 42 once during use.

In one embodiment, the electromagnetic intelligent lock mechanism 41 includes a telescopic block 411 disposed on the top of the turnover beam 30 and capable of moving reciprocally along the length direction of the turnover beam 30, and a linear driving mechanism 412 disposed in the turnover beam 30 and used for driving the telescopic block 411 to move, the linear driving mechanism 412 is electrically connected to the control unit 42, a magnet matched with the electromagnetic induction unit 43 is embedded in the telescopic block 411, the control unit 42 is a main control board, and the linear driving mechanism 412 is a linear motor.

Specifically, the telescopic block 411 is located at the middle position of the upper end of the refrigerator door turnover beam 30, and the linear driving mechanism 412 is a built-in linear motor, and drives the telescopic block 411 to move up and down, so that the linear motor moves linearly along the length direction of the refrigerator door turnover beam 30 to move up and down.

The electromagnetic induction unit 43 is located at the top of the refrigerator body, and the electromagnetic induction unit 43 transmits signals to the main control board through mutual induction of the embedded magnets in the refrigerator body and the embedded magnets in the telescopic blocks 411, and the main control board sends out instructions to control the telescopic blocks 411 to move up and down.

In one embodiment, the automatic rotation mechanism 44 includes an upper rotation assembly and a lower rotation mechanism disposed at the upper and lower ends of the turnover beam 30 to drive the turnover beam 30 to rotate synchronously, and the upper rotation assembly and the lower rotation mechanism are electrically connected to the control unit 42.

Specifically, the arrangement of the upper and lower rotating mechanisms, and the synchronous rotation of the two, increases the stability of the turnover beam 30 in rotation, and is a further optimization of the automatic rotating mechanism 44.

In one embodiment, the upper rotating assembly and the lower rotating mechanism are both automatic hinge mechanisms 442 with the same structure, and the automatic hinge mechanisms 442 include an automatic hinge 442 connecting the refrigerator door and the turnover beam 30, and a rotation driving mechanism driving the automatic hinge 442 to rotate.

In one embodiment, the rotation driving mechanism includes a hinge driven gear 441 provided on a rotation shaft of the hinge, a driving gear 443 meshed with the hinge driven gear 441, and a driving motor 444 driving the driving gear 443 to rotate.

The embodiment of the invention also provides a refrigerator door turnover beam, which comprises an automatic opening and closing device 40 of the refrigerator door turnover beam 30, a passive elastic rotating mechanism 50 arranged in the middle of the turnover beam 30 and used for driving the turnover beam 30 to rotate, and a passive elastic driving mechanism 60 arranged in the turnover beam 30 and connected with the telescopic block 411.

In one embodiment, the passive elastic driving mechanism 60 is arranged in a direction consistent with the length direction of the roll-over beam 30.

Specifically, the passive elastic driving mechanism 60 is a tension spring, the tension spring is in a compressed state, the tension spring and the linear motor are independently arranged, the refrigerator is in a power-off state or in a non-intelligent mode, the intelligent lock structure is invalid, the telescopic block 411 moves to be driven by the tension spring to replace the linear motor, normal use of a user is met, switching of different application scenes can be achieved through different mode settings, and safety and reliability of the user and the product are improved.

In one embodiment, the passive elastic rotation mechanism 50 includes a passive hinge 51 connecting the refrigerator door and the turnover beam 30, and a passive elastic assembly 52 driving the passive hinge 51 to rotate.

Specifically, in the refrigerator power-off state or in the non-intelligent mode, the intelligent lock structure fails, the automatic rotating mechanism 44 is replaced by the passive elastic rotating mechanism 50, normal use of a user is met, switching of different application scenes can be achieved through different mode settings, and safety and reliability of the user and the product are improved.

As shown in fig. 6, in one embodiment, the passive elastic assembly 52 includes elastic block mechanisms symmetrically disposed at both ends of the rotation shaft of the passive hinge 51, the elastic block mechanisms include a housing 521, a spring 522, a rotation elastic block 523 and a movement elastic block 524, the housing 521 is fixed on the turnover beam 30 and is disposed along the length direction of the turnover beam 30, the spring 522, the rotation elastic block 523 and the movement elastic block 524 are sequentially disposed in the housing 521, one end of the spring 522 is connected with the rotation shaft of the passive hinge 51, the other end is connected with the rotation elastic block 523, the rotation elastic block 523 and the movement elastic block 524 are in contact with each other, and the contact surfaces are convex structures with waveforms and are engaged with each other.

Specifically, the rotary bump 523 and the moving bump 524 perform relative rotation within the bump mechanism housing 521. The movement angle of the rotating spring 523 is equal to the turning angle of the turning beam 30. The moving spring 524 only moves linearly in a certain stroke and cannot rotate. The spring 522 is compressed by the moving projectile 524 within a stroke, the spring 522 rebounds to reset the moving projectile 524, and the movement stroke is related to the height dimension of the convex structure of the waveform contact surface of the projectile. The turnover beam 30 performs turnover movement along with the opening and closing of the refrigerator door, the spring 522 triggers the rotating block 523 to rotate in the block mechanism housing 521, and the rotating block 523 makes the moving block 524 reciprocate in the compression and release processes of the spring 522 through the contact surface.

The embodiment of the invention also provides a refrigerator, which further comprises a refrigerator body 10 and a refrigerator refrigeration door 20 arranged on the refrigerator body 10, wherein the turnover beam 30 is arranged in the refrigerator refrigeration door 20, and the automatic turnover beam switching device 40 is arranged at the corresponding positions of the refrigerator body 10, the refrigerator refrigeration door 20 and the turnover beam 30.

The working process is as follows:

when a user opens the refrigerator door, the user needs to click an intelligent mode touch button on the control panel once, the main control panel sends out an instruction, and the first step is that a linear motor arranged in the electromagnetic intelligent lock mechanism drives the telescopic block to move and shrink downwards;

and the second step, the automatic rotating mechanism comprises an upper rotating component and a lower rotating machine which are arranged at the upper end and the lower end of the turnover beam and drive the turnover beam to synchronously rotate, and the upper rotating component and the lower rotating mechanism of the turnover beam of the refrigerator door drive motors to rotationally drive the upper automatic hinge mechanism and the lower automatic hinge mechanism to synchronously rotate. The driving motor is the moment for the rotation of the refrigerator door overturning beam. Until the refrigerator door roll-over beam rotates to a certain angle value and then stops, as shown in fig. 8.

When a user closes the refrigerator door, the electromagnetic induction unit recognizes that the magnet is embedded in the turnover beam telescopic block, the main control board receives a signal and sends an instruction, firstly, the automatic rotating mechanism of the turnover beam of the refrigerator door rotates for a certain angle value according to a certain direction, then the electromagnetic intelligent lock mechanism drives the telescopic block to move upwards, and the automatic locking of the door closing state of the turnover beam of the refrigerator is realized, as shown in figure 7. The refrigerator door can be opened easily by using smaller force at the moment, and the left door and the right door of the refrigerator cannot collide due to the fact that the overturning beam rotates to a certain angle, so that the product visual experience is more intelligent. The refrigerator door overturning beam is arranged at the door closing rotation angle, so that the sealing between the overturning Liang Yumen bodies is more reliable, and the occurrence of refrigerator cold leakage is avoided.

In the description of the present invention, it should be understood that the terms "upper," "lower," "bottom," "top," "front," "rear," "inner," "outer," "left," "right," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.

Claims (10)

1. The utility model provides an automatic switching device of upset roof beam, its characterized in that, including being used for making upset roof beam intelligence lock mechanism, the drive upset roof beam pivoted automatic rotating mechanism, electromagnetic induction unit and control unit of locking and unlocking, electromagnetic intelligent lock mechanism automatic rotating mechanism with electromagnetic induction unit all with control unit electric connection, control unit is according to electromagnetic induction unit's signal control electromagnetic intelligent lock mechanism with automatic rotating mechanism work.

2. The automatic turnover beam switching device according to claim 1, wherein the electromagnetic intelligent lock mechanism comprises a telescopic block which is arranged at the top of the turnover beam and can reciprocate along the length direction of the turnover beam, and a linear driving mechanism which is arranged in the turnover beam and is used for driving the telescopic block to move, the linear driving mechanism is electrically connected with the control unit, and a magnet matched with the electromagnetic induction unit is embedded in the telescopic block.

3. The automatic turning beam switching device according to claim 1, wherein the automatic turning mechanism comprises an upper turning assembly and a lower turning mechanism which are arranged at the upper end and the lower end of the turning beam and drive the turning beam to synchronously rotate, and the upper turning assembly and the lower turning mechanism are electrically connected with the control unit.

4. The automatic opening and closing apparatus for a turnover beam according to claim 3, wherein the upper rotating assembly and the lower rotating mechanism are both automatic hinge mechanisms having the same structure, and the automatic hinge mechanisms comprise automatic hinges for connecting the refrigerator door and the turnover beam, and a rotation driving mechanism for driving the automatic hinges to rotate.

5. The roll-over beam automatic switching device according to claim 4, wherein the rotation driving mechanism comprises a hinge driven gear provided on a rotation shaft of the hinge, a driving gear engaged with the hinge driven gear, and a driving motor driving the driving gear to rotate.

6. The turnover beam comprises the turnover beam automatic switch device of claim 2, and is characterized by further comprising a passive elastic rotating mechanism arranged in the middle of the turnover beam and used for driving the turnover beam to rotate, and a passive elastic driving mechanism arranged in the turnover beam and connected with the telescopic block.

7. The roll-over beam of claim 6, wherein the passive elastic drive mechanism is disposed in a direction that coincides with a length direction of the roll-over beam.

8. The roll-over beam of claim 6, wherein the passive elastic rotation mechanism comprises a passive hinge connecting the refrigerator door and the roll-over beam, and a passive elastic assembly driving the passive hinge to rotate.

9. The turnover beam as set forth in claim 8, wherein the passive elastic assembly comprises elastic block mechanisms symmetrically disposed at both ends of the passive hinge rotation shaft, the elastic block mechanisms comprising a housing, a spring, a rotating elastic block and a moving elastic block, the housing being fixed on the turnover beam and disposed along a length direction of the turnover beam, the spring, the rotating elastic block and the moving elastic block being disposed in sequence in the housing, one end of the spring being connected with the passive hinge rotation shaft, the other end being connected with the rotating elastic block, the rotating elastic block and the moving elastic block contacting each other, the contact surface being a convex structure with a wave shape and being engaged with each other.

10. A refrigerator comprising the automatic turning beam switching device according to any one of claims 1 to 5, and further comprising a refrigerator door with a refrigerator body arranged on the refrigerator body, wherein the turning beam is arranged in the refrigerator door, and the automatic turning beam switching device is arranged at corresponding positions of the refrigerator body, the refrigerator door and the turning beam.

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