CN217106553U

CN217106553U - Door opening and closing structure and household appliance

Info

Publication number: CN217106553U
Application number: CN202220697990.9U
Authority: CN
Inventors: 魏朝富
Original assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Current assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-08-02
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a door opening and closing structure and household electrical appliance, under the natural state, the door body is closed, the locking rod is in the intermediate position, at the moment, the two ends of the locking rod are respectively in locking fit with the first driving part and the second driving part to pull the first end of the door body, the first driving part drives the locking rod to move to the second locking position, at the moment, the locking rod is only locked with the second driving part, so that the door body is opened at the first end correspondingly, the first end of the door body is pushed, the first driving part drives the reset structure to move, so that the locking rod can reset to the intermediate position from the second locking position, the door body is closed, the door body is pushed and pulled, the switching action of the second end of the door body is realized, the locking rod is switched between the intermediate position and the first locking position correspondingly, the two-way door opening can be realized by pushing and pulling the end part corresponding to the door body by a user, and the operation is simple.

Description

Door opening and closing structure and household appliance

Technical Field

The utility model relates to the technical field of household appliances, in particular to switch door structure and household appliances.

Background

The mode that current switch door structure mostly all counts is left switch door or right switch door also has and realizes controlling the selection switch door through changing the mounting means to the refrigerator door is the example, but the structure of conventional realization refrigerator door two-way switch door generally all needs the user to realize changing the side of locking through adjusting the refrigerator door after nipping tightly the grab handle, and the operation is direct succinct inadequately.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a switch door structure and domestic appliance, refrigerator door that can direct two way switch, and need not extra operation, easy operation improves user's experience.

In order to achieve the above object, the utility model provides a switch door structure for with a body movable mounting to the cabinet body on, the cabinet body is formed with the chamber that holds of side open-ended, door body lid is located hold the opening in chamber, the door body has along horizontal first end and second end, switch door structure includes:

the two hinged mounting structures are arranged between the cabinet body and the door body and respectively correspond to the first end and the second end, each hinged mounting structure comprises a driving rod, one end of each driving rod is used for being rotatably mounted on the door body, a driving part is formed at the other end of each driving rod, each driving part can have a longitudinal movable stroke under the opening and closing movement of the door body, and each driving part comprises a first driving part and a second driving part which are arranged corresponding to the first end and the second end;

the locking structure comprises a locking rod which extends along the transverse direction, the door body is closed, two ends of the locking rod are respectively in locking fit with the first driving part and the second driving part, so that the locking rod is located at the middle position, the door body is correspondingly opened at the second end, the locking rod is correspondingly moved to the second driving part and is driven to move to be only in locking fit with the first driving part, the locking rod is located at the first locking position, the door body is correspondingly opened at the first end, the locking rod is correspondingly moved to be only in locking fit with the second driving part, and the locking rod is located at the second locking position; and the number of the first and second groups,

the retaining and resetting structure is used for retaining the corresponding position of the locking rod at the first locking position or the second locking position when the door body is opened from the second end or the first end, and enabling the locking rod to be reset to the middle position from the first locking position or the second locking position when the door body is closed from the second end or the first end.

Optionally, a first insertion hole is formed in an end portion, away from the door body, of each driving rod;

the locking rod can be movably installed along the transverse direction, and two end parts of the locking rod can be correspondingly inserted into the two first insertion holes;

the two driving portions include two first insertion holes.

Optionally, the first insertion hole has a hole inner wall surface arranged in a longitudinal direction, the lock lever has a lever side surface arranged opposite to the hole inner wall surface, and the hole inner wall surface and/or the lever side surface is/are arranged as an inclined surface.

Optionally, the reset holding structure further comprises a support seat, and the support seat is provided with a mounting hole along a lateral side;

the locking rod is movably arranged in the mounting hole in a penetrating mode, two stop blocks are arranged on the outer surface of the locking rod at intervals, the two stop blocks are located on two transverse sides of the supporting seat respectively, and reset springs are arranged between the two stop blocks and the supporting seat.

Optionally, two second insertion holes are formed in one side surface of the locking rod in the longitudinal direction at intervals in the transverse direction of the locking rod;

the reset structure comprises two locking assemblies arranged on the cabinet body at intervals along the transverse direction, and each locking assembly comprises:

a base fixed to the cabinet;

the movable plate can be movably installed along the longitudinal direction, the movable plate is arranged on one side, facing the door body, of the base, and a first through hole penetrates through the movable plate along one side in the transverse direction; and the number of the first and second groups,

the inserted rods can be movably installed in the first through holes along the longitudinal direction, one inserted rod can be inserted into the corresponding second insertion hole when the locking rod is moved, and the locking rod is kept at the first locking position or the second locking position;

one of the driving parts drives the movable plate to move so as to drive the inserted rod to be separated from the corresponding second jack.

Optionally, each locking assembly further comprises a first spring, and the first spring is disposed between the movable plate and the base; and/or the presence of a gas in the gas,

the inserted bar deviates from one end of the movable plate is provided with a first baffle, a second spring is sleeved on the outer surface of the inserted bar, and two ends of the second spring respectively abut against the movable plate and the first baffle.

Optionally, a second through hole extending in the longitudinal direction is formed through the base;

a first spring is arranged between the movable plate and the base;

the locking assembly further comprises a limiting rod, one end of the limiting rod penetrates through the second through hole and the inner hole of the first spring to be fixed to the movable plate, and a second baffle is arranged at one end of the limiting rod to abut against the base.

Optionally, the door opening and closing structure further comprises a door lock assembly, the door lock assembly comprising:

the first lock hole is arranged in the middle of the upper end face of the locking rod and extends in the vertical direction; and the number of the first and second groups,

the first pressing piece comprises a first button and a first connecting rod, one end of the first connecting rod is fixed with the first button, and the other end of the first connecting rod is movably inserted into the first locking hole so as to be relatively fixed with the locking rod.

Optionally, the locking rod is movably mounted in the transverse direction;

the switch door structure still includes the lock subassembly, the lock subassembly includes:

the two second lock holes are arranged on the upper end face of the locking rod and extend in the vertical direction, and the two second lock holes are arranged at intervals in the transverse direction; and the number of the first and second groups,

the two second pressing pieces comprise second buttons and second connecting rods, one ends of the two second connecting rods are fixed to the corresponding second buttons, the other ends of the two second connecting rods are arranged towards the two driving parts in an inclined mode respectively, and one second connecting rod can be movably inserted into the corresponding second locking hole, so that the locking rod can move to the first locking position or the second locking position.

The utility model discloses still provide a domestic appliance, include:

the cabinet body is provided with an accommodating cavity with an opening on the side surface;

the door body is covered on the opening of the accommodating cavity and provided with a first end and a second end in the transverse direction;

and at least one above-mentioned door opening and closing structure, be used for making the door body movable mounting to on the cabinet body.

Optionally, the household appliance comprises a refrigerator.

Optionally, one side of the first end and one side of the second end of the door body facing the cabinet body are respectively provided with a positioning surface, and each positioning surface is provided with an arc-shaped groove;

two in the door opening and closing structure the tip that the actuating lever faced the door body is equipped with elastic connecting piece, elastic connecting piece can be in the drive of the door body is blocked and is arranged in the arc recess.

Optionally, a cover cap is further disposed at the upper end of the cabinet body, a mounting cavity is defined between the cover cap and the cabinet body, and two communicating holes are formed in the mounting cavity through the inner wall surface facing the door body;

the locking structure and the retaining reset structure in the door opening and closing structure are arranged in the accommodating cavity;

the driving parts of the two driving rods in the door opening and closing structure can movably penetrate through the two communicating holes.

The technical scheme of the utility model, under the natural state, the door body is closed, the locking pole is in the intermediate position, this moment the both ends of locking pole respectively with first drive division with the cooperation of second drive division locking, pulling the first end of the door body, first drive division drive the locking pole activity extremely second locking position, this moment the locking pole only with the closure of second drive division, so that the door body corresponds first end department is opened. The first end of the door body is pushed, the first driving part drives the reset keeping structure to move, so that the locking rod can reset to the middle position from the second locking position, and the door body is closed; the second end of the door body is pulled, the second driving part drives the locking rod to move to the first locking position, the driving rod corresponding to the first end and the cabinet body rotate to move, so that the door body is opened at the second end correspondingly, the second end of the door body is pushed, the second driving part drives the reset maintaining structure to move, the locking rod can reset to the middle position from the first locking position, the door body is closed, a user only pushes and pulls the end part corresponding to the door body in the using process, the two-way door opening conversion can be achieved, the single-side locking and the reset inside can be automatically achieved along with the door opening and closing action, and the operation is simple.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of a household appliance provided in the present invention;

fig. 2 is a perspective exploded view of the household appliance of fig. 1;

fig. 3 is a schematic view of the door opening and closing structure of fig. 1.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1000	Household electrical appliance	512	Reset spring
100	Door opening and closing structure	52	Locking assembly
				1	Cabinet body	521	Base seat
11	Containing cavity	522	Movable plate
				12	Cover cap	523	Inserted link
121	Communicating hole	5231	First baffle plate
				2	Door body	524	First spring
2a	First end	525	Second spring
				2b	Second end	526	Limiting rod
21	Arc-shaped groove	61	First keyhole
				31	Driving rod	62	First pressing piece
311	First jack	621	First button
				312	Elastic connecting piece	622	First connecting rod
41	Locking lever	63	Second lock hole
				411	Second jack	64	Second pressing piece
412	Stop block	641	Second push button
				511	Supporting seat	642	Second connecting rod

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if the present invention relates to a directional indication, the directional indication is only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The existing switch door is mostly a left switch door or a right switch door, a left selective switch door or a right selective switch door is also realized by changing the installation mode, the refrigerator is taken as an example, the refrigerator with the one-way switch door has certain limitation on the placement position, the existing refrigerator with the two-way switch door needs to pinch a hand and a grab handle when the door is opened, the functions of locking one side of the refrigerator door and opening the other side can be realized, the operation is not direct and simple enough, and after the manual disassembly and assembly at every time, the refrigerator can only be used as the one-way switch door.

In view of this, the utility model provides a switch door structure and domestic appliance, but direct two-way switch's refrigerator door, and need not extra operation, easy operation improves user's experience. Fig. 1 to fig. 3 illustrate an embodiment of a household appliance and a structure of a switch door according to the present invention.

Referring to fig. 1 to 2, the household electrical appliance 1000 provided by the present invention includes a cabinet body 1, a door body 2 and a door opening and closing structure 100, the cabinet body 1 is formed with a cavity 11 with an opening on a side surface, the door body 2 is covered on the opening of the cavity 11, the door body 2 has a first end 2a and a second end 2b along a horizontal direction, the door opening and closing structure 100 movably mounts the door body 2 on the cabinet body 1, so that the door body 2 can perform a two-way door opening action along the first end 2a or the second end 2 b. The utility model discloses do not restrict domestic appliance 1000's concrete form can be refrigerator, refrigerator-freezer, dish washer etc to improve user's experience and feel, use convenience more.

It should be noted that, in the present invention, the door body 2 and the width direction of the cabinet body 1 are transversely determined, and the door body 2 and the thickness direction of the cabinet body 1 are always determined from top to bottom as the height direction of the door body 2 and the cabinet body 1.

Specifically, referring to fig. 2 again, the door opening and closing structure 100 includes two hinge mounting structures, a locking structure and a reset maintaining structure, the two hinge mounting structures are disposed between the cabinet 1 and the door 2 and are respectively disposed corresponding to the first end 2a and the second end 2b, each hinge mounting structure includes a driving rod 31, one end of the driving rod 31 is rotatably mounted on the door 2, the other end of the driving rod is formed with a driving portion, the driving portion can have a longitudinal moving stroke under the opening and closing movement of the door 2, the two driving portions include a first driving portion and a second driving portion disposed corresponding to the first end 2a and the second end 2b, the locking structure includes a locking rod 41 extending in a transverse direction, the door 2 is closed, two ends of the locking rod 41 are respectively in locking fit with the first driving portion and the second driving portion, so that the lock rod 41 is at the middle position, the door body 2 is correspondingly opened at the second end 2b, the door body 2 is correspondingly opened at the first end 2a, the door body moves correspondingly to the second driving portion and drives the lock rod 41 to move to be only in locking fit with the first driving portion, so that the lock rod 41 is at the first locking position, the door body 2 is correspondingly opened at the first end 2a, the door body moves correspondingly to the first driving portion and drives the lock rod 41 to move to be only in locking fit with the second driving portion, so that the lock rod 41 is at the second locking position, the retaining and resetting structure is used for keeping the lock rod 41 correspondingly at the first locking position or the second locking position when the door body 2 is opened from the second end 2b or the first end 2a, and is used for keeping the lock rod 41 correspondingly at the first locking position or the second locking position when the door body 2 is closed from the second end 2b or the first end 2a, so that the lock lever 41 can be returned to the intermediate position from the first lock position or the second lock position, respectively.

In the technical solution of the present invention, two of the driving rods 31 are used to open the door to drive the locking rod 41 to switch from the intermediate position to the first locking position or the second locking position, at this time, the reset structure is kept to keep the locking rod 41 in the corresponding state, when two of the driving rods 31 are used to close the door, the reset structure is kept to drive the locking rod 41 to be used to reset under the corresponding driving, so as to return to the intermediate position, the whole motion state is linked, the user only needs to open or close the door at the first end 21a or the second end 21b, which is consistent with the door opening and closing mode of the conventional refrigerator, specifically, in the natural state, the door body 2 is closed, the locking rod 41 is in the intermediate position, at this time, the two ends of the locking rod 41 are respectively locked and matched with the first driving part and the second driving part, when the first end 2a of the door body 2 is pulled, the first driving portion drives the locking rod 41 to move to the second locking position, and at this time, the locking rod 41 is only locked with the second driving portion, so that the door body 2 is opened at the first end 2 a. Pushing the first end 2a of the door body 2, and driving the reset maintaining structure to move by the first driving part, so that the locking rod 41 can be reset from the second locking position to the intermediate position, and the door body 2 is closed; the second end 2b of the door body 2 is pulled, the second driving part drives the locking rod 41 to move to the first locking position, the driving rod 31 corresponding to the first end 2a and the cabinet body 1 rotate to move, so that the door body 2 is opened at the second end 2b correspondingly, the second end 2b of the door body 2 is pushed, the second driving part drives the reset keeping structure to move, the locking rod 41 can reset to the middle position from the first locking position, the door body 2 is closed, a user can realize the conversion of two-way opening of the door only by pushing and pulling the end part corresponding to the door body 2 in the using process, the inside one-side locking and resetting are automatically realized along with the action of opening and closing the door, and the operation is simple.

In order to realize the locking cooperation between the driving rods 31 and the locking rods 41, in an embodiment, a first insertion hole 311 is formed in an end portion of each driving rod 31 facing away from the door body 2, the locking rod 41 is movably installed in the transverse direction, two end portions of the locking rod 41 are correspondingly inserted into the two first insertion holes 311, and the two driving portions include the two first insertion holes 311. That is, in the middle position, two ends of the locking rod 41 respectively extend into the two first insertion holes 311, in the first locking position, only the first driving portion is connected with the locking rod 41 in an inserting manner, so that the second end 2b of the door body 2 is limited and cannot be opened, in the second locking position, only the second driving portion is connected with the locking rod 41 in an inserting manner, so that the first end 2a of the door body 2 is limited and cannot be opened, in other embodiments, the locking rod 41 may be in locking engagement with the driving rod 31 in a snap fit, a protrusion and a groove fit, and the like, which is not limited herein.

Based on the above embodiment, in order to realize the linkage matching between the driving lever 31 and the locking lever 41, referring to fig. 2 to 3, the first insertion hole 311 has a hole inner wall surface arranged along the longitudinal direction, the locking lever 41 has a lever side surface arranged opposite to the hole inner wall surface, and the hole inner wall surface and/or the lever side surface are/is arranged as an inclined surface. That is, when one of the driving rods 31 moves, the design of the inclined surfaces can change the direction of the force, specifically, the force along the longitudinal direction is changed into the force along the length direction of the door body 2, in this embodiment, both ends of the locking rod 41 are provided as inclined surfaces, each inclined surface is disposed away from the door body 2, it can be understood that, the two rod side surfaces should be disposed oppositely, the inclined directions of the two inclined surfaces formed by the corresponding two rod side surfaces are opposite, for convenience of description, in this embodiment, the transverse direction is a left-right direction, the longitudinal direction is a front-back direction, the first end 2a is correspondingly located at the left side, the second end 2b is correspondingly located at the right side, the extending directions of the two inclined surfaces should be inclined from front to back to left and inclined from front to back to right, respectively, when one of the driving rods 31 is pulled, the hole inner wall surface of the first insertion hole 311 abuts against the corresponding inclined surface, therefore, the corresponding end of the locking rod 41 is ejected out of the first insertion hole 311, and two actions of pushing the rod and separating the rod hole are simultaneously completed, in other embodiments, the hole inner wall surface of the first insertion hole 311 may be an inclined surface, and the rod side surface is a flat end surface, so that the effect of changing the direction of the acting force can also be achieved, which will not be described in detail herein.

Further, the locking rod 41 is pulled by one of the driving rods 31 to displace, and in order to ensure that when the door body 2 is closed, the locking rod 41 can return to the intermediate position to ensure a closed state, in this embodiment, the structure for maintaining the reset position further includes a supporting seat 511, the supporting seat 511 is provided with a mounting hole along a lateral side surface, the locking rod 41 is movably disposed in the mounting hole, two stoppers 412 disposed at intervals are disposed on the outer surface of the locking rod 41, the two stoppers 412 are respectively located on two lateral sides of the supporting seat 511, and a reset spring 512 is disposed between the two stoppers 412 and the supporting seat 511. When the door body 2 is opened from the first end 2a, the locking rod 41 moves towards the second driving part under the driving action of the first driving part in the opening process, at this time, one of the return springs 512 is compressed, the other return spring 512 is extended, so that after the door body is closed, the locking rod 41 can restore to the middle position under the action of the spring resilience force, when the door body 2 is opened from the second end 2b, in the opening process, the locking rod 41 moves towards the first driving part under the driving action of the second driving part, at this time, the compression and extension states of the two return springs 512 are opposite, and after the door body is closed, the locking rod 41 can restore to the middle position under the action of the spring resilience force. It should be noted that, other elastic members may be used to replace the spring, such as an elastic sheet and a rubber member, and the spring has a larger elastic force and a low cost, so as to meet the design requirement.

In other embodiments, the locking mechanism may further include a cylinder and a sensor, specifically, when the sensor senses a motion state of the driving rod 31, a signal of the sensor drives the cylinder to reciprocate so as to drive the locking rod 41 to move, specifically, a cylinder rod of the cylinder may be disposed parallel to the locking rod 41, and an end of the cylinder rod is fixed by hinging, so as to ensure a sufficient moving space of the locking rod 41 and facilitate the disposition of the cylinder. The cylinder is arranged in a manner that the locking rod 41 can be kept at the first locking position and the second locking position directly through stopping of the cylinder, and a locking structure does not need to be added separately.

In consideration of the fixing and resetting of the locking rod 41 at the corresponding position during the reciprocating process, in the present embodiment, two second insertion holes 411 are formed through one side surface of the locking rod 41 in the longitudinal direction and are spaced apart from each other in the transverse direction. The reset maintaining structure comprises two locking assemblies 52 arranged at intervals in the transverse direction of the cabinet body 1, each locking assembly 52 comprises a base 521, a movable plate 522 and an inserted rod 523, the base 521 is fixed to the cabinet 1, the movable plate 522 is movably installed along the longitudinal direction, the movable plate 522 is disposed on one side of the base 521 facing the door body 2, a first through hole is formed through one side of the movable plate 522 in the transverse direction, the insert rod 523 is movably mounted in the first through hole in the longitudinal direction, one of the insert rods 523 can be inserted into the corresponding second insertion hole 411 when the locking rod 41 is moved, to hold the lock lever 41 in the first lock position or the second lock position, one of the driving portions drives the movable plate 522 to move, so as to drive the insertion rod 523 to separate from the corresponding second insertion hole 411. In the middle position, the two insert rods 523 and the two second insert holes 411 are arranged in a staggered manner, and the opening and closing are performed as follows: in one case, the first driving portion is pulled out under the driving of the door body 2, at this time, the locking rod 41 is driven to move until the locking rod 41 is separated from the first insertion hole 311 on the locking rod 41, at this time, the insertion rod 523 in the locking assembly 52 near the first end 2a corresponds to the corresponding second insertion hole 411, the insertion rod 523 moves to be inserted into the second insertion hole 411, at this time, the locking rod 41 cannot move continuously, and is in the second locking position, that is, the locking rod 41 is inserted and fixed with the first insertion hole 311 on the second driving portion, the door opening action along the first end 2a can be completed, when the door is closed, the first driving portion presses the movable plate 522, the movable plate 522 can drive the insertion rod 523 to move together, so that the insertion rod 523 is separated from the locking rod 41, and at this time, the locking rod 41 is not limited, it is possible to return to the intermediate position; in another case, the second driving portion is pulled out under the driving of the door body 2, at this time, the locking rod 41 is driven to move until the locking rod 41 is separated from the first insertion hole 311 on the locking rod 41, at this time, the insertion rod 523 in the locking assembly 52 close to the second end 2a corresponds to the corresponding second insertion hole 411, the insertion rod 523 moves to be inserted into the second insertion hole 411, at this time, the locking rod 41 cannot move continuously, and is in the first locking position, that is, the locking rod 41 is inserted and fixed with the first insertion hole 311 on the first driving portion, the door opening action along the second end 2b can be completed, when the door is closed, the second driving portion presses the movable plate 522, the movable plate 522 can drive the insertion rod 523 to move together, so that the insertion rod 523 is separated from the locking rod 41, and at this time, the locking rod 41 is not limited, it is possible to return to the intermediate position. With this arrangement, the insert rod 523 and the movable plate 522 both find relative displacement under the driving of the driving rod 31, so as to change the relative position relationship with the locking rod 41.

Specifically, in order to realize the movable arrangement of the movable plate 522, in an embodiment, each locking assembly 52 further includes a first spring 524, the first spring 524 is disposed between the movable plate 522 and the base 521, in a natural state, the movable plate 522 abuts against an end of the driving rod 31, the first spring 524 is compressed to a certain extent, the corresponding driving rod 31 performs an opening and closing action, a certain assisting force can be provided for the insertion and engagement of the inserting rod 523 by an elastic force of the first spring 524, the driving rod 31 performs a door closing action, and the first spring 524 is compressed to enable the movable plate 522 to perform the position adjustment automatically by the action of the driving rod 31, so that the linkage effect is good.

Furthermore, one end of the insert rod 523, which faces away from the movable plate 522, is provided with a first baffle 5231, the outer surface of the insert rod 523 is sleeved with a second spring 525, and two ends of the second spring 525 respectively abut against the movable plate 522 and the first baffle 5231. During the intermediate position, the inserted bar 523 with the dislocation of second jack 411, promptly the tip of inserted bar 523 supports tightly the surface of locking pole 41, second spring 525 extends this moment, works as locking pole 41 removes, inserted bar 523 receives the resilience effect of second spring 525 can be in second jack 411 corresponds the back and stretches into automatically, can make inserted bar 523 receive the action of locking pole 41 and carry out position control voluntarily, and the linkage is effectual.

It should be noted that, in the two related technical features, the first spring 524 and the second spring 525 may be disposed at the same time or alternatively, and the disposing effect is better.

In view of the fact that the compressing and extending directions of the first spring 524 are not controlled, in this embodiment, a second through hole extending in the longitudinal direction is formed through the base 521, the first spring 524 is disposed between the movable plate 522 and the base 521, the locking assembly 52 further includes a limiting rod 526, one end of the limiting rod 526 passes through the second through hole and the inner hole of the first spring 524 and is fixed to the movable plate 522, and one end of the limiting rod 526 is provided with a second baffle to abut against the base 521. That is, the first spring 524 is guided by the stopper 526 to limit the linear movement of the movable plate 522, thereby providing better stability.

Specifically, in the intermediate position, the second blocking plate abuts against the base 521, so as to limit the position of the movable plate 522 relative to the base 521, and at this time, the inserting rod 523 contacts with the surface of the locking rod 41, the second spring 525 is extended, the first barrier 5231 is moved away from the movable plate 522, when the insertion rod 523 is engaged with the corresponding second insertion hole 411 by the door opening action of the driving rod 31, the first barrier 5231 is moved toward the movable plate 522, but the state of the first spring 524 is not changed, when the driving lever 31 is closed, the first spring 524 is compressed and the second stop is moved away from the base 521, where the amount of compression of the first spring 524 is greater than the amount of extension of the second spring 525, so that the insert rod 523 moves integrally to be separated from the second insertion hole 411, and the locking rod 41 is reset.

In order to prevent the door body 2 from being opened by mistake when not in use, in this embodiment, referring to fig. 2 to 3, the door opening and closing structure 100 further includes a door lock assembly, the door lock assembly includes a first lock hole 61 and a first pressing member 62, the first lock hole 61 is disposed in the middle of the upper end surface of the lock rod 41 and extends along the vertical direction, the first pressing member 62 includes a first button 621 and a first connecting rod 622, one end of the first connecting rod 622 is fixed with the first button 621, and the other end is movably inserted into the first lock hole 61 so as to be fixed relative to the lock rod 41. The user can drive the first connecting rod 622 to move by pressing the first button 621, so that the first connecting rod 622 is matched with the first locking hole 61, the locking rod 41 is limited at the middle position, at this time, the door body 2 cannot be opened because the locking rod 41 cannot move, and the user can unlock by pressing the first button 621 again. The pressing and re-pressing unlocking of the button can be realized by the existing mode, such as a spring sheet, a buckle and the like, and the detailed description is not provided.

According to the requirement of the user, the user may need to temporarily open the door body 2 in a specific opening direction without using the two-way opening function, and for this purpose, in an embodiment of the present invention, the locking rod 41 is movably installed in the transverse direction, the door opening and closing structure 100 further includes a door lock assembly, the door lock assembly includes two second locking holes 63 and two second pressing members 64, the two second locking holes 63 are disposed on the upper end surface of the locking rod 41 and extend in the vertical direction, the two second locking holes 63 are disposed along the transverse direction at intervals, each second pressing member 64 includes a second button 641 and a second connecting rod 642, one end of each of the two second connecting rods 642 is fixed to the corresponding second button 641, the other end of each of the two second connecting rods 642 is respectively disposed towards the two driving portions, one of the two second connecting rods 642 is movably inserted into the corresponding second locking hole 63, so that the lock lever 41 is movable to the first lock position or the second lock position. Each of the second locking holes 63 and the corresponding second pressing members 64 is a pressing control group, which correspondingly controls the locking rod 41 to be fixed at the first locking position or the second locking position, and the principle of the pressing control is similar to that of the first pressing member 62, and when the locking rod 41 is limited by one of the second pressing members 64 and is located at the first locking position or the second locking position, the other second pressing member 64 is staggered with the corresponding second locking hole 63, and the locking rod cannot be locked even if pressed.

It should be noted that the two second pressing members 64 are respectively seated on both sides of the first pressing member 62.

Further, referring to fig. 3 again, one side of the first end 2a and the second end 2b of the door 2 facing the cabinet 1 are respectively provided with a positioning surface, each positioning surface is provided with an arc-shaped groove 21, the end portions of the two driving rods 31 facing the door 2 are provided with an elastic connecting piece 312, the elastic connecting pieces 312 can be clamped in the arc-shaped grooves 21 under the driving of the door 2, when the door 2 is opened, because the door 2 integrally swings in an arc, the elastic connecting pieces 312 can be separated from the arc-shaped grooves 21, when the driving rods 31 are completely separated, the driving portions of the driving rods 31 are not under the acting force of other parts, the elastic connecting pieces 312 naturally rotate for a certain distance to return to the arc-shaped grooves 21, so as to simply guide the position of the driving rods 31, the user can also manually toggle the driving rod 31 to enable the elastic connecting piece 312 to be matched with the arc-shaped groove 21, so that when the door is closed, the driving rod 31 can be contacted with a corresponding part along the original position, the arc-shaped groove 21 not only provides a positioning function, but also has a certain supporting function, and the friction force at the end part of the driving rod 31 can be increased.

In order to protect relevant parts, prevent problems such as ash falling and water drenching, the upper end of the cabinet body 1 is also provided with a cover cap 12, the cover cap 12 with enclose between the cabinet body 1 and form a settling chamber, settling chamber orientation the internal face of the door body 2 runs through and is provided with two intercommunicating pores 121, the locking structure with keep reset structure locate settle the intracavity, two the drive part of the drive rod 31 is mobile to be worn to locate in two intercommunicating pores 121. Thereby being protected by the cover 12 while also improving aesthetics. It should be noted that the provision of the arc-shaped groove 21 and the elastic connection member 312 facilitates the alignment of the driving lever 31 for insertion along the communication hole 121 when the door is closed. Meanwhile, each of the pressing members is exposed at the upper end of the cover cap 12, and a through hole is formed in the upper surface of the cover cap 12 for the pressing members to penetrate through.

It should be noted that the driving rod 31 is hinged to the door body 2 through a shaft hole, and is solid, the door body 2 is provided with a shaft rod extending vertically, the driving rod 31 is correspondingly provided with a through hole, and in order to prevent the driving rod 31 from falling off and ensure the beauty, after the shaft rod is matched with the through hole, a matching block is assembled on the top end of the shaft rod, so as to perform the anti-falling limiting of the driving rod 31 and the covering of the shaft rod.

The door opening and closing structure 100 in this embodiment can select a plurality of modes, and specifically can set a bidirectional door opening and closing mode or a single-side normally open mode or a dead lock mode, so that the transverse direction is the left-right direction, the first end 2a is correspondingly located on the left side, the second end 2b is correspondingly located on the right side, and the motion principle of each mode is as follows:

two-way switchable door mode:

and (3) opening the door at the right side: when the first end 2a of the door body 2 is opened, the corresponding driving rod 31 moves along with the opening action of the door body 2, and the inclined surface of the first insertion hole 311 acting on the end of the locking lever 41 slides the locking lever 41 leftward, meanwhile, the second spring 525 on the right side is compressed, and when the second insertion hole 411 on the right side is aligned with the corresponding insertion rod 523, due to the action of the spring force, the insert rod 523 is inserted into the second insertion hole 411, the locking rod 41 is locked at the second locking position, at this time, the right end of the locking rod 41 is separated from the corresponding first insertion hole 311, the left end of the locking rod 41 is locked with the other first insertion hole 311, so that the driving rod 31 at the second end 2b is locked on the cabinet 1, so that the door body 2 can be opened by rotating by taking the hinged position of the driving rod 31 at the second end 2b as a shaft;

the right side is closed: when the door body 2 is closed, due to the interaction between the arc-shaped groove 21 and the elastic connecting piece 312, the driving rod 31 is aligned with the communicating hole 121 of the cover 12, so that the driving portion of the driving rod 31 on the right extends into and pushes the movable plate 522 to move, the first spring 524 on the right compresses, finally the corresponding inserting rod 523 is separated from the corresponding second inserting hole 411, and under the action of the two return springs 512, the locking rod 41 moves rightwards to return to the middle position, so that the two ends of the locking rod 41 are respectively inserted into the first inserting holes 311 of the two driving rods 31.

Opening a door on the left side: when the second end 2b of the door body 2 is opened, the corresponding driving rod 31 moves along with the opening action of the door body 2, and the first insertion hole 311 acts on the inclined surface of the end of the locking lever 41 to slide the locking lever 41 rightward, at the same time, the second spring 525 on the left side is compressed, and when the second insertion hole 411 on the left side is aligned with the corresponding insertion rod 523, due to the action of the spring force, the inserting rod 523 is inserted into the second inserting hole 411, the locking rod 41 is locked at the first locking position, at this time, the left end of the locking rod 41 is separated from the corresponding first insertion hole 311, the right end of the locking rod 41 is locked with the other first insertion hole 311, so that the driving rod 31 at the first end 2a is locked on the cabinet 1, so that the door body 2 can be opened by rotating by taking the hinged position of the driving rod 31 at the first end 2a as a shaft;

closing the door on the left side: when the door body 2 is closed, due to the interaction between the arc-shaped groove 21 and the elastic connection piece 312, the driving rod 31 is aligned with the communication hole 121 of the cover 12, so that the driving portion of the driving rod 31 on the left side extends into and pushes the movable plate 522 to move, the first spring 524 on the left side compresses, finally the corresponding insertion rod 523 is disengaged from the corresponding second insertion hole 411, and the locking rod 41 is moved leftwards to return to the middle position under the action of the two return springs 512, so that the two ends of the locking rod 41 are respectively inserted into the first insertion holes 311 of the two driving rods 31.

Single-side normally open mode:

the right side is normally open: press the right side second button 641 for correspond second connecting rod 642 with the cooperation of second lockhole 63, because the inclined plane of second connecting rod 642 lower extreme is for from top to bottom slope right, thereby with the interact of second lockhole 63 makes locking pole 41 removes left, thereby and will locking pole 41 locks and dies second locking position is about to left the actuating lever 31 locks and dies, reaches and only can open from the right side the mesh of the door body 2 presses once more and can cancel the unilateral normally open mode.

The left side is normally opened, press left the second button 641, make correspond second connecting rod 642 with the cooperation of second lockhole 63, because the inclined plane of second connecting rod 642 lower extreme is for from top to bottom leanly to the left, thereby with the interact of second lockhole 63 makes locking pole 41 moves to the right, thereby and will locking pole 41 locks and dies first locking position is about to left the actuating lever 31 locks, reaches and can only open from the left side the mesh of the door body 2, presses once more and can cancel the unilateral normally open mode.

It should be noted that, in the process of locking by the second pressing member 64, each of the insert rods 523 may be always staggered from each of the second insertion holes 411, or may be correspondingly inserted and combined, when each of the insert rods 523 is correspondingly inserted into each of the second insertion holes 411, after the second pressing member 64 is unlocked, the holding and resetting structure is further required to be unlocked, and the bidirectional switchable mode can be recovered, and when each of the insert rods 523 is always staggered from each of the second insertion holes 411, the driving of the second pressing member 64 does not affect the state of the holding and resetting structure, so that the switching of the modes is simpler.

Refrigerator door lock-up mode:

the middle first pressing piece 62 is pressed down, so that the first connecting rod 622 is inserted into the middle first locking hole 61, the locking rod 41 is fixed at the middle position, the purpose that both sides of the door body 2 cannot be opened can be achieved, and the locking mode can be cancelled by pressing again.

It should be noted that, the first pressing member 62 fixes the locking lever 41 at the intermediate position, and at this time, the relative positional relationship between the locking lever 41 and the two driving levers 31 and the holding and returning structure is not changed.

The technical scheme of the utility model can solve current switch door and can only the one way switch door have the incompatible problem of latent installation of placing, can provide multi-mode switch door selection for the user, the flexible operation mode is simple, and the user does not need extra operation can realize the two way switch door to be provided with the dead mode of lock, prevent that the door from opening by mistake.

Referring to fig. 1 again, in the embodiment, taking a refrigerator as an example, one door body 2 is provided, two sets of door opening and closing structures 100 are respectively provided at the upper end and the lower end of the door body 2, and each door opening and closing structure 100 includes two hinge mounting structures, a locking structure and a reset maintaining structure. The door opening and closing structure 100 at the upper and lower ends is shielded by a cover 12, so as to protect the relevant parts and ensure the appearance.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a switch door structure for with a body movable mounting to the cabinet body on, the cabinet body is formed with the chamber that holds of side open-ended, door body lid is located hold the opening in chamber, the door body has along horizontal ascending first end and second end, its characterized in that, switch door structure includes:

2. The door opening and closing structure according to claim 1, further comprising a door lock assembly, said door lock assembly comprising:

3. The opening and closing door structure according to claim 1, wherein said locking bar is movably installed in a lateral direction;

4. The door opening and closing structure according to claim 1, wherein the end of each driving rod facing away from the door body is provided with a first insertion hole;

the two driving portions include two first insertion holes.

5. The door opening and closing structure according to claim 4, wherein said first insertion hole has an inner wall surface of a hole provided in a longitudinal direction, said lock lever has a lever side surface provided opposite to said inner wall surface of the hole, and said inner wall surface of the hole and/or said lever side surface is provided as an inclined surface.

6. The door opening and closing structure according to claim 4 or 5, wherein the holding and returning structure further comprises a support base, the support base having a mounting hole formed therethrough along a lateral side thereof;

7. The door opening and closing structure according to claim 4, wherein two second insertion holes are formed through the locking rod along one side surface in the longitudinal direction at intervals in the transverse direction;

a base fixed to the cabinet body;

the inserted rods can be movably installed in the first through holes along the longitudinal direction, one inserted rod can be inserted into the corresponding second insertion hole when the locking rod is movable, and the locking rod is kept at the first locking position or the second locking position;

8. The door opening and closing structure of claim 7, wherein each locking assembly further comprises a first spring disposed between said movable plate and said base; and/or the presence of a gas in the gas,

9. The door opening and closing structure according to claim 7, wherein a second through hole extending in a longitudinal direction is formed through said base;

a first spring is arranged between the movable plate and the base;

10. A household appliance, characterized in that it comprises:

the door body is covered on the opening of the accommodating cavity and provided with a first end and a second end in the transverse direction; and

at least one door opening and closing structure according to any one of claims 1 to 9, for movably mounting the door body to the cabinet.

11. The household appliance of claim 10, wherein the household appliance comprises a refrigerator.

12. The household appliance according to claim 10, wherein the first end and the second end of the door body are respectively provided with a positioning surface facing to one side of the cabinet body, and each positioning surface is provided with an arc-shaped groove;

13. The household appliance according to claim 10, wherein a cover is further arranged at the upper end of the cabinet body, a mounting cavity is defined between the cover and the cabinet body, and two communication holes are formed in the mounting cavity and extend towards the inner wall surface of the door body;