CN110344705B - Door opening device and door opening household appliance thereof - Google Patents

Door opening device and door opening household appliance thereof Download PDF

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Publication number
CN110344705B
CN110344705B CN201910585081.9A CN201910585081A CN110344705B CN 110344705 B CN110344705 B CN 110344705B CN 201910585081 A CN201910585081 A CN 201910585081A CN 110344705 B CN110344705 B CN 110344705B
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CN
China
Prior art keywords
door
door opening
rack
sliding block
gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910585081.9A
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Chinese (zh)
Other versions
CN110344705A (en
Inventor
艾穗江
卢智春
李亚明
林国汉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Wanjiale Kitchen Technology Co Ltd
Original Assignee
Guangdong Wanjiale Kitchen Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Wanjiale Kitchen Technology Co Ltd filed Critical Guangdong Wanjiale Kitchen Technology Co Ltd
Priority to CN201910585081.9A priority Critical patent/CN110344705B/en
Publication of CN110344705A publication Critical patent/CN110344705A/en
Application granted granted Critical
Publication of CN110344705B publication Critical patent/CN110344705B/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
    • E05F15/619—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using flexible or rigid rack-and-pinion arrangements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
    • E05F15/622—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using screw-and-nut mechanisms
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
    • E06B3/362—Double winged doors or windows
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators

Abstract

The invention discloses a door opening device, which comprises a door opening mechanism, wherein the door opening mechanism comprises a mounting panel; the guide rail is fixedly connected to the mounting panel; the sliding block group is connected to the guide rail in a sliding way, and a door pushing piece and a door opening rack are arranged on the sliding block group; the driving mechanism is arranged on the mounting panel and is used for driving the sliding block group to slide left and right along the guide rail; the door pushing piece and the door opening rack are driven by the sliding block group to move left and right along the guide rail; the inert gear is rotationally connected to the mounting panel, the inert gear is tangential to the moving path of the door opening rack, and the inert gear is matched with the door opening rack for use; a door edge gear which is kept meshed with the inert gear. The door body is jacked by the door jacking piece, so that moment born by the door opening mechanism during door opening can be reduced, the structure of the door opening mechanism is reduced, and the service life of the door opening mechanism is prolonged.

Description

Door opening device and door opening household appliance thereof
Technical Field
The invention relates to the field of household appliances, in particular to a door opening device and a door opening household appliance thereof.
Background
Most of the door bodies of existing door-opening household appliances, such as refrigerators or heat preservation boxes, are opened and closed manually, but the manual opening and closing mode is inconvenient for realizing the intellectualization and automation of the household appliances.
Although the refrigerator or the incubator that can open the door automatically appears gradually in the market at present, the mode that realizes opening the door automatically adopts push rod mechanism to promote the door body, owing to be equipped with sealed magnetic stripe on the door body, push rod mechanism needs great initial force just can push away the door body, therefore its volume of current push rod mechanism is great, damages moreover easily.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the utility model provides a door opener, this door opener includes the mechanism that opens the door, the mechanism that opens the door can open the door body in segmentation, prolongs the life of mechanism that opens the door.
The invention also provides a door-opening household appliance comprising the door opening device.
The invention creates a solution to solve the technical problems that:
Door opener, including the mechanism that opens the door, the mechanism that opens the door includes:
Installing a panel;
the guide rail is fixedly connected to the mounting panel;
the sliding block group is connected to the guide rail in a sliding way, and a door pushing piece and a door opening rack are arranged on the sliding block group;
the driving mechanism is arranged on the mounting panel and is used for driving the sliding block group to slide left and right along the guide rail;
The door pushing piece and the door opening rack are driven by the sliding block group to move left and right along the guide rail;
The inert gear is rotationally connected to the mounting panel, the inert gear is tangential to the moving path of the door opening rack, and the inert gear is matched with the door opening rack for use;
A door edge gear which is kept meshed with the inert gear.
Under the drive of the driving mechanism, the sliding block group can drive the door opening rack and the top door piece to move left and right along the direction of the guide rail, and when the door opening rack drives the inert gear to rotate, the door edge gear rotates along with the inert gear at the moment.
The door body is hinged to the mounting panel, and the door edge gear is fixedly connected above the hinge position of the door body, so that the door body can be opened and closed along with the rotation of the door edge gear; through the movement of the top door piece, the door body can be pushed open by the top door piece, and the door body is opened under the rotation of the door side gear. The door opening mechanism is mainly used for door opening household appliances such as a refrigerator or an incubator.
Further, the door opening device further comprises a door body, and one side of the door body is hinged to the front side of the mounting panel.
In addition, the door side gear is fixedly arranged on the top surface of the door body and is positioned above the hinge position of the door body, so that the door body is opened and closed along with the rotation of the door side gear.
In addition, the top door piece is located the front side of slider group, be equipped with on the top surface of the door body with the top door structure that the top door piece matees the use.
In addition, the top door piece comprises a top door roller or a top door oblique block. When the top door piece is a top door roller, the top door structure is a chute, and when the top door piece is a top door oblique block, the top door structure is a top door roller.
In addition, the number of the door bodies and the number of the inert gears are two, the two door bodies are arranged in a split mode, and the two inert gears cannot be meshed with the door opening rack at the same time. The arrangement enables one door opening mechanism to drive two door bodies to be opened and closed independently.
In addition, as the two door bodies share the same door opening mechanism, the two top door structures are communicated with each other, so that one top door structure can be arbitrarily jacked up by the top door piece.
Further, the sliding block group comprises a top door sliding block and two rack sliding blocks, the two rack sliding blocks are respectively positioned at the left side and the right side of the top door sliding block, the top door sliding block is fixedly connected with the top door piece, and the two rack sliding blocks are jointly fixedly connected with the door opening rack. When the top door sliding block slides leftwards and is abutted with the left rack sliding block, the top door sliding block can drive the door opening rack to move along the left direction, and vice versa.
In addition, the distance between the two rack sliding blocks is larger than the length of the top door sliding block, so that the top door piece and the door opening rack perform intermittent motion, and the phenomenon that the top door piece interferes with the normal closing of the door body is avoided.
Further, in order to separate the door pushing action and the door opening action, a travel gap is arranged between the door opening rack and the inert gear; or a rod part without teeth extends from one end of the door opening rack, which is meshed with the inert gear.
Finally, the invention also provides a door-opening household appliance which comprises the door opening device and a box body, wherein the top surface of the box body is the mounting panel, and one side of the door body is hinged to the front side of the box body; in order to ensure that the inside of the box body reaches a preset temperature when the box body is closed, a sealing magnetic strip is arranged on the inner side surface of the box body or the front side surface of the box body, the box body is attracted by a magnetic field between the box body and the box body, and the inner space of the box body is isolated from the outer space.
Drawings
In order to more clearly illustrate the technical solutions in the inventive embodiments of the present invention, the drawings that are used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the invention and not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without the inventive effort.
Fig. 1 is a schematic perspective view of an embodiment of a door-opening household appliance according to the present invention;
fig. 2 is a schematic perspective view of another embodiment of a door-opening household appliance according to the present invention;
fig. 3 is a schematic perspective view of another embodiment of a door-opening household appliance according to the present invention;
FIG. 4 is a schematic view of a partial perspective view of an embodiment of a door opening mechanism according to the present invention;
fig. 5 is a schematic perspective view of an embodiment of a door body according to the present invention.
Detailed Description
The inventive concept, specific structure, and resulting technical effects of the present invention will be clearly and fully described below with reference to the accompanying examples and drawings to fully understand the inventive objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments, but not all embodiments, of the present invention, and that other embodiments, which are obtained by those skilled in the art without inventive effort, are within the scope of the inventive protection. In addition, all connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to a connection structure that may be better formed by adding or subtracting connection aids depending on the particular implementation. The technical features in the invention can be interactively combined on the premise of no contradiction and conflict. Finally, it should be noted that the terms "center, upper, lower, left, right, vertical, horizontal, inner, outer" and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of describing the present invention and for simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first, second, third and the like" herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Fig. 1, fig. 4 and fig. 5 show an embodiment of a door-opening household appliance, which comprises a box body 100 and a door opening device, wherein the door opening device comprises a door opening mechanism 200, the door opening mechanism 200 comprises a mounting panel 110, a guide rail 210, a sliding block set 220, a driving mechanism 300 and an inert gear 230, the top surface of the box body 100 is specifically the mounting panel 110, and the guide rail 210 is fixedly connected to the mounting panel 110. Fig. 1 shows a left-right, front-rear direction, which will be described below with reference to the drawings. The sliding block set 220 is slidably connected to the guide rail 210, and the sliding block set 220 is provided with a door top 221 and a door opening rack 240, specifically, the door top 221 is located at the front side of the sliding block set 220, the door opening rack 240 is parallel to the guide rail 210, and teeth on the door opening rack 240 point to the front side. The inert gear 230 is rotatably connected to the mounting panel 110, the inert gear 230 is tangential to the moving path of the door opening rack 240, the inert gear 230 and the door opening rack 240 are matched for use, that is, have a meshing relationship, specifically, the inert gear 230 is located in front of the door opening rack 240; in order to align the top door direction with the door opening direction, the door opening mechanism 200 further includes a door side gear 410, the door side gear 410 and the idler gear 230 are engaged with each other, and the door side gear 410 is specifically located in front of the door opening rack 240.
The driving mechanism 300 is disposed on the mounting panel 110, the driving mechanism 300 is configured to drive the slider set 220 to slide left and right along the guide rail 210, referring to fig. 4, the driving mechanism 300 is specifically a pulley mechanism, and includes a drum 320 driven by a motor 310, a steel wire rope 330, and a plurality of pulleys 340, the drum 320 is provided with a steel wire rope pressing block 321 for pressing the steel wire rope 330, and the plurality of pulleys 340 are respectively disposed on the mounting panel 110 left and right. In other embodiments of the invention, however, the drive mechanism 300 may also be a screw-nut mechanism, a belt drive mechanism, a timing belt drive mechanism, an air cylinder, a hydraulic cylinder, or the like. The sliding block set 220 can simultaneously drive the door opening rack 240 and the door top 221 to move left and right along the direction of the guide rail 210 under the driving of the driving mechanism 300, and when the door opening rack 240 drives the inert gear 230 to rotate, the door edge gear 410 rotates along with the inert gear 230.
As shown in fig. 1 and 5, the door opening device further includes two door bodies 400 disposed in a split manner, and one sides of the two door bodies 400 are hinged to the front side of the case 100. In order to ensure that the inside of the case 100 reaches a predetermined temperature when the door is closed, a sealing magnetic stripe 420 is disposed on the inner side surface of the door 400 or the front side surface of the case 100, and the sealing magnetic stripe 420 is preferably disposed on the inner side surface of the door 400, and the inner space of the case 100 is isolated from the outer space by the attraction of the magnetic field between the case 100 and the door 400. In other embodiments, the sealing magnetic stripe 420 may be split into a sealing strip and a magnetic stripe, which are separately disposed and used alone.
The top surface of each door body 400 is provided with a gear avoidance hole 421, each gear avoidance hole 421 is internally and fixedly provided with a door edge gear 410, and the door edge gear 410 is positioned above the hinge position of the door body 400, so that the door body 400 is opened and closed along with the rotation of the door edge gear 410. Since one door opening mechanism 200 is adopted to drive two door bodies 400 to be opened and closed independently, the number of the inert gears 230 on the door opening mechanism 200 is two, and the two inert gears 230 cannot be meshed with the door opening rack 240 at the same time. In addition, a top door structure 430 matched with the top door member 221 is further disposed on the top surface of the door body 400, the top door member 221 includes a top door roller or a top door oblique block, when the top door member 221 is a top door roller, the top door structure 430 is a chute, and when the top door member 221 is a top door oblique block, the top door structure 430 is a top door roller. The top door member 221 can push the top door structure 430 on the door body 400 under the driving of the slider set 220, which can reduce the moment applied to the door opening mechanism 200 when the door is opened, simplify the structure of the door opening mechanism 200, and prolong the service life of the door opening mechanism 200; since the two door bodies 400 share one door opening mechanism 200, the two top door structures 430 are communicated with each other, so that the top door 221 can arbitrarily open one of the top door structures 430.
As shown in fig. 4, the top door 221 and the door opening rack 240 may be fixedly connected to the slider set 220 and both may be maintained to move simultaneously, but in actual production, manufacturing errors are unavoidable, and due to the manufacturing errors, the top door 221 may interfere with the normal closing of the door body 400 when the top door 221 and the door opening rack 240 are maintained to move simultaneously, so that in other embodiments, the top door 221 and the door opening rack 240 perform intermittent movement. The sliding block set 220 includes a top door sliding block 222 and two rack sliding blocks 223, the two rack sliding blocks 223 are respectively located at the left side and the right side of the top door sliding block 222, the top door sliding block 222 is fixedly connected with the top door piece 221, the two rack sliding blocks 223 are jointly fixedly connected with the door opening rack 240, and the distance between the two rack sliding blocks 223 is greater than the length of the top door sliding block 222. The head end of the wire rope 330 is connected with the left end of the top door slider 222, then the wire rope 330 sequentially bypasses the left pulley 340, the winding drum 320 and the right pulley 340, and finally the tail end of the wire rope 330 is connected with the right end of the top door slider 222. The winding drum 320 rotates and pulls the top door slider 222 to slide leftwards, and when the top door slider 222 abuts against the left rack slider 223, the top door slider 222 can drive the door opening rack 240 to move leftwards, and vice versa.
In other embodiments, in order to separate the door opening operation from the door opening operation, and ensure that the door 400 is opened after the door body 400 is pushed open by the door top 221, a travel gap is provided between the door opening rack 240 and the idler gear 230, that is, when the door opening rack 240 starts to move along the direction of the guide rail 210, the door opening rack 240 does not immediately engage with the idler gear 230, but waits until the door top 221 pushes open the door top 430, and then the door opening rack 240 moves to the idler gear 230 and engages with the idler gear 230. In the process of closing the door 400, after the door 400 is closed to a certain extent, the door opening rack 240 is separated from the inert gear 230, and the door 400 is closed by means of magnetic force.
In other embodiments, in order to separate the door pushing action from the door opening action, it is ensured that the door 400 is opened after the door body 400 is pushed open by the door pushing element 221, and a rod portion without teeth extends from an end of the door opening rack 240 engaged with the idler gear 230, that is, when the door opening rack 240 starts to move along the direction of the guide rail 210, since the rod portion does not engage with the idler gear 230, after the door pushing element 221 pushes open the door pushing structure 430, the teeth of the door opening rack 240 move to the idler gear 230 and engage with the idler gear 230. In the process of closing the door 400, when the door 400 is closed to a certain extent, the teeth of the door opening rack 240 are separated from the inert gear 230, and the door 400 is closed by means of magnetic force.
In other embodiments, since the door opening mechanism 200 does not require the entire door opening rack 240 to be meshed with the idler gear 230, in order to reduce the processing cost of the door opening rack 240, a concave position 241 is provided in the middle of the door opening rack 240, and the concave position 241 can also avoid the guide rail 210.
Fig. 2 shows another embodiment of the door opening home appliance, wherein the door body 400 and the door opening mechanism 200 are one in number, the door opening mechanism 200 is provided with one inert gear 230, and the door body 400 is automatically opened and closed by the door opening mechanism 200.
Fig. 3 illustrates another embodiment of a door-opening household appliance, wherein the number of the door bodies 400 and the door-opening mechanisms 200 is two, the two door bodies 400 are arranged in a split manner, each door-opening mechanism 200 is provided with one inert gear 230, and each door body 400 is automatically opened and closed by the respective door-opening mechanism 200.
In practical applications, the door 400 may be opened and closed manually in addition to the automatic opening and closing by the door opening mechanism 200, and when the door 400 is closed, the door may be opened directly by manual operation and then closed manually.
While the preferred embodiments of the present application have been illustrated and described, the present application is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present application, and these are intended to be included within the scope of the present application as defined in the appended claims.

Claims (8)

1. The door opener, its characterized in that includes the mechanism that opens the door, the mechanism that opens the door includes:
Installing a panel;
The door body is hinged to the front side of the mounting panel on one side, a door side gear is fixedly arranged on the top surface of the door body, and the door side gear is positioned above the hinge position of the door body;
the guide rail is fixedly connected to the mounting panel;
the sliding block group is connected to the guide rail in a sliding way, a top door piece and a door opening rack are arranged on the sliding block group, the top door piece is positioned at the front side of the sliding block group, and a top door structure matched with the top door piece for use is arranged on the top surface of the door body;
the driving mechanism is arranged on the mounting panel and is used for driving the sliding block group to slide left and right along the guide rail;
The door pushing piece and the door opening rack are driven by the sliding block group to move left and right along the guide rail;
The inert gear is rotationally connected to the mounting panel, the inert gear and the door side gear are kept meshed with each other, the inert gear is tangential to the moving path of the door opening rack, and the inert gear is matched with the door opening rack for use.
2. The door opener according to claim 1, wherein: the top door piece comprises a top door roller or a top door oblique block.
3. The door opener according to claim 1, wherein: the number of the door bodies and the number of the inert gears are two, the two door bodies are arranged in a split mode, and the two inert gears are meshed with the door opening rack at different times.
4. A door opener according to claim 3, characterized in that: the two top door structures are communicated with each other.
5. The door opener according to claim 1, wherein: the sliding block set comprises a top door sliding block and two rack sliding blocks, wherein the two rack sliding blocks are respectively positioned at the left side and the right side of the top door sliding block, the top door sliding block is fixedly connected with the top door piece, and the two rack sliding blocks are jointly and fixedly connected with the door opening rack.
6. The door opener according to claim 5, wherein: the distance between the two rack sliding blocks is larger than the length of the top door sliding block, so that the top door piece and the door opening rack perform intermittent motion.
7. The door opener according to claim 1, wherein: a travel gap is arranged between the door opening rack and the inert gear; or alternatively
And a rod part without teeth extends from one end of the door opening rack, which is meshed with the inert gear.
8. A door-opening appliance comprising the door-opening device of any one of claims 1 to 7, further comprising: the top surface of the box body is the installation panel, one side of the door body is hinged to the front side of the box body, and a sealing magnetic strip is arranged on the inner side surface of the door body or the front side surface of the box body.
CN201910585081.9A 2019-07-01 2019-07-01 Door opening device and door opening household appliance thereof Active CN110344705B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910585081.9A CN110344705B (en) 2019-07-01 2019-07-01 Door opening device and door opening household appliance thereof

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Application Number Priority Date Filing Date Title
CN201910585081.9A CN110344705B (en) 2019-07-01 2019-07-01 Door opening device and door opening household appliance thereof

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CN110344705A CN110344705A (en) 2019-10-18
CN110344705B true CN110344705B (en) 2024-05-03

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Publication number Priority date Publication date Assignee Title
CN111084510B (en) * 2019-12-01 2021-04-13 特固(江苏)塑料制品有限公司 Plastic cabinet with self-locking function
CN111119642B (en) * 2019-12-31 2021-06-15 中国科学院空间应用工程与技术中心 Door opening and closing device of experimental box on material cabin outer exposure device
CN114183064A (en) * 2022-01-23 2022-03-15 佛山市圣田智能科技有限公司 Sliding door with rotary section

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WO2017201843A1 (en) * 2016-05-27 2017-11-30 合肥华凌股份有限公司 Door opening assisting means and refrigerating device
CN107655255A (en) * 2017-10-24 2018-02-02 南京贝奇工业设计有限公司 A kind of refrigerator with automatic switch door gear and its switch gate method
CN208010172U (en) * 2018-03-12 2018-10-26 江苏雷利电机股份有限公司 A kind of door-opening mechanism and the refrigerator with the mechanism
CN210738340U (en) * 2019-07-01 2020-06-12 广东万家乐厨房科技有限公司 Door opening device and door opening household appliance thereof

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