CN112696107B - Door opening device and household electrical appliance with same - Google Patents
Door opening device and household electrical appliance with same Download PDFInfo
- Publication number
- CN112696107B CN112696107B CN202011595123.6A CN202011595123A CN112696107B CN 112696107 B CN112696107 B CN 112696107B CN 202011595123 A CN202011595123 A CN 202011595123A CN 112696107 B CN112696107 B CN 112696107B
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- China
- Prior art keywords
- locking
- piece
- driving
- base
- door body
- Prior art date
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/06—Hinges with pins with two or more pins
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/10—Devices for preventing movement between relatively-movable hinge parts
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- 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
- E06B3/38—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 horizontal axis of rotation at the top or bottom of the opening
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- 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
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- 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
- E05Y2900/308—Application of doors, windows, wings or fittings thereof for domestic appliances for ovens
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a door opening device and a household appliance with the same, wherein the door opening device comprises: a base; the driving piece is movably arranged on the base; the connecting piece is connected with the driving piece, and the driving piece drives the connecting piece to move so as to open and close the door body; the locking piece is arranged on the base to lock and release the driving piece, the driving piece is fixed relative to the base when the locking piece locks the driving piece, and the driving piece is movable relative to the base when the locking piece releases the driving piece. According to the door opening device, the two states of the locking driving piece and the locking piece releasing driving piece are mutually switched, so that the door body can be automatically opened and closed by the door opening device and manually opened and closed by a user.
Description
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to a door opening device and a household appliance with the same.
Background
At present, high-end embedded household electrical appliances are generally required to have functions of automatically opening and closing doors and manually opening and closing doors, so that switching between an automatic mode and a manual mode is particularly important. However, in the related art, almost no embedded oven product has a function of automatically opening and closing a door, and a conventional door hinge utilizes a spring to match the weight of a door body to retrieve the force for manually opening and closing the door, but the conventional structure cannot realize the function of automatically opening and closing the door.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the door opening device, and the door opening device realizes the switching of two modes of automatically opening and closing the door body of the door opening device and manually opening and closing the door body by switching the two states of locking the driving piece by the locking piece and releasing the driving piece by the locking piece.
The invention also provides household electrical appliance equipment comprising the door opening device.
The door opening device according to the embodiment of the invention comprises: a base; the driving piece is movably arranged on the base; the connecting piece is connected with the driving piece, and the driving piece drives the connecting piece to move so as to open and close the door body; the locking piece, the locking piece is located on the base with the locking with release driving piece, locking piece locking driving piece then the relative base of driving piece is fixed, locking piece release driving piece then the relative base of driving piece is portable.
According to the door opening device provided by the embodiment of the invention, the two states of the driving piece locking piece and the driving piece releasing piece are mutually switched, so that the switching between two modes of automatically opening and closing the door body of the door opening device and manually opening and closing the door body by a user is realized, when the door opening device is suitable for household appliances such as an embedded electric oven, the use experience of the household appliances can be improved, and the use satisfaction of the user is further improved.
According to some embodiments of the invention, the driving member comprises a locking portion adapted to lock the locking portion to fix the driving member relative to the base, and the locking member is configured to release the locking portion if the locking portion is subjected to a pulling force greater than a predetermined value.
Optionally, the lock member locks the locking portion, then: the locking piece is located the one side that is close to the connecting piece of locking portion, and locking piece and locking portion are relative in the direction of movement of driving piece.
Optionally, the locking member is fixedly arranged on the base, and a side of the locking member close to the locking portion is provided with a first guiding inclined surface configured to incline towards a direction away from the locking portion in a direction away from the base.
Alternatively, a side of the lock member close to the link member is provided with a second guide slope configured to be inclined in a direction away from the base toward a direction close to the lock portion.
Optionally, the latch member comprises: the pin is movably arranged on the base between a locking position and a releasing position, the pin is opposite to the locking part in the moving direction of the driving piece in the locking position, and the pin and the locking part are staggered in the moving direction of the driving piece in the releasing position; and the resetting piece is connected with the pin and normally applies force to the pin towards the locking position.
Optionally, the driving part comprises a driving part and a transmission part, and the driving part is connected with the transmission part and drives the transmission part to extend and retract relative to the driving part.
Optionally, the locking portion is configured as a hook, which is arranged at an end of the drive element facing away from the connecting element.
According to some embodiments of the invention, the drive member comprises a drive portion and a transmission portion, the transmission portion comprising: one end of the screw rod is connected with the driving part; the one end of slider is connected with the other end of lead screw, and the other end and the connecting piece of slider are connected.
Optionally, a sliding table is arranged on the sliding block, a limiting groove is formed in the base, the limiting groove extends along the movable direction of the driving piece, and the sliding table slides in the limiting groove.
Optionally, the connector comprises: the connecting sheet is used for connecting the door body; and the connecting rod is hinged with the connecting sheet and the sliding block respectively.
Optionally, a guide groove is formed in the connecting rod, a guide hook is arranged on the base, the guide hook is located in the guide groove, and the bottom wall of the guide groove inclines towards the direction gradually close to the guide hook in the direction in which the guide hook is gradually far away from the connecting piece.
A household appliance according to an embodiment of the present invention includes: the shell defines an accommodating cavity with one open end; the door opening device; the door body is used for sealing the opening and is connected with the shell through the door opening device.
According to the home appliance of the embodiment of the present invention,
optionally, the method further comprises: the installation seat is arranged on one side, facing the containing cavity, of the door body, the installation seat is provided with a hinge groove, and the connecting piece is embedded in the hinge groove.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a sectional view of a door opening device according to an embodiment of the present invention;
fig. 2 is a perspective view of a door opening device according to an embodiment of the present invention;
fig. 3 is an exploded view of a door opening device according to an embodiment of the present invention;
fig. 4 is a partial sectional view of a door opening device according to an embodiment of the present invention;
fig. 5 is another partial sectional view of a door opening device according to an embodiment of the present invention;
FIG. 6 is an enlarged view at A in FIG. 5;
fig. 7 is an exploded view of a door body and a door opening device according to an embodiment of the present invention;
fig. 8 is a side view of a door body and a door opening device according to an embodiment of the present invention;
fig. 9 is another exploded view of the door body and the door opening device according to the embodiment of the present invention;
fig. 10 is a front view of a door body and a door opening device according to an embodiment of the present invention;
fig. 11 is another exploded view of the door body and the door opening device according to the embodiment of the present invention.
Reference numerals:
the door-opening device 1 is provided with a door opening device,
a base 10, a limiting groove 11, a guide hook 12,
a driving member 20, a locking part 21, a driving part 22, a transmission part 23, a screw rod 231, a sliding block 232, a sliding table 2321,
the connecting member 30, the connecting piece 31, the connecting rod 32, the guide groove 321,
the locking member 40, the second guide slope 42, the pin 43,
a door body 2 and a mounting seat 3.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any one implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.
As shown in fig. 1 to 4, a door opening device 1 according to an embodiment of the present invention includes: base 10, driving member 20, connecting member 30 and locking member 40.
Specifically, the driving member 20 is movably disposed on the base 10, that is, the driving member 20 is not fixed relative to the base 10, and may move according to a predetermined track or not. Connecting piece 30 is used for connecting the door body 2, connecting piece 30 links to each other with driving piece 20, and driving piece 20 drive connecting piece 30 removes in order to open and close the door body 2, connecting piece 30's one end links to each other with driving piece 20 promptly, the other end of connecting piece 30 links to each other with the door body 2, driving piece 20 can drive connecting piece 30 and remove so that connecting piece 30 drive door body 2 opens or closes, when driving piece 20 drive connecting piece 30 switch door body 2, driving piece 20 is fixed for base 10, what realize this moment is the automatic switch door, need not the manual work and go to open and close the door body 2. Locking piece 40 is located with locking and release driving piece 20 on base 10, locking piece 40 locking driving piece 20 then driving piece 20 is fixed relative to base 10, at this moment, need not the manual door body 2 that opens and shuts that goes, driving piece 20 can drive connecting piece 30 and go the door body 2 that opens and shuts, locking piece 40 release driving piece 20 then driving piece 20 is portable relative to base 10, when locking piece 40 releases driving piece 20, make driving piece 20 can remove for base 10, the user can manually go to open and shut door body 2 this moment, the automatic switch door body 2 is inefficacy. That is, the two states of the locking member 40 locking the driving member 20 and the locking member 40 releasing the driving member 20 can be switched to each other without being in sequence, for example, when the driving member 20 is subjected to an external force, the state of the locking member 40 locking the driving member 20 can be switched to the state of the locking member 40 releasing the driving member 20; when the external force applied to the driver 20 is greater than a predetermined value, the state in which the driver 20 is released by the locking member 40 may be switched to the state in which the driver 20 is locked by the locking member 40.
According to the door opening device 1 provided by the embodiment of the invention, the locking piece 40 is used for locking the driving piece 20 and the locking piece 40 is used for releasing the mutual switching of the two states of the driving piece 20, so that the switching of two modes of automatically opening and closing the door body 2 of the door opening device 1 and manually opening and closing the door body 2 by a user is realized, when the door opening device 1 is suitable for household appliances such as an embedded electric oven, the use experience of the household appliances can be improved, and the use satisfaction of the user is further improved.
The locking member 40 of the present invention can be switched between the locking position and the releasing position electrically or mechanically, i.e. the locking member 40 is switched between the state of locking the driving member 20 and the state of releasing the driving member 20 by an electric or mechanical mechanism. In addition, a specific embodiment of the locking manner is provided in the present invention, but this should not be construed as limiting the scope of the present invention.
As shown in fig. 1-6, according to some embodiments of the present invention, the driving member 20 includes a locking portion 21, the locking member 40 is adapted to lock the locking portion 21 to fix the driving member 20 relative to the base 10, and the locking member 40 is configured to release the locking portion 21 if the locking portion 21 is subjected to a pulling force greater than a predetermined value, that is, when the locking portion 21 is subjected to a pulling force less than or equal to the predetermined value, the locking member 40 locks the locking portion 21, so that the driving member 20 is fixed relative to the base 10, and when the driving member 20 is fixed, the driving member 30 can be driven by the driving member 20 to open and close the door 2, so as to automatically open and close the door 2; when the pulling force that locking portion 21 receives is greater than the predetermined value, locking piece 40 release locking portion 21 for driving piece 20 is portable for base 10, and driving piece 20 can remove according to the motion trail of predetermineeing, and the user can the manual switch door body 2, and when the manual switch door body 2 of user, driving piece 20 is along with connecting piece 30 round trip movement on base 10. Through the cooperation that sets up locking piece 40 and locking portion 21 for door opener 1 simple structure can realize the free switching of the automatic switch door body 2 and the manual switch door body 2, thereby has reduced door opener 1's manufacturing cost.
It can be understood that, because the forces are mutually acting, it is also possible that the locking member 40 locks the locking portion 21 when the pulling force applied to the locking member 40 is less than or equal to a predetermined value, and the locking member 40 releases the locking portion 21 when the pulling force applied to the locking member 40 is greater than the predetermined value. The pulling force applied to the locking member 40 is opposite to the pulling force applied to the locking portion 21.
Alternatively, when the locking member 40 locks the driving member 20, the locking member 40 is located on the side of the locking portion 21 close to the connecting member 30, and the locking member 40 and the locking portion 21 are opposite in the moving direction of the driving member 20, that is, when the locking member 40 locks the driving member 20, the locking member 40 is blocked right in front of the locking portion 21, so that even when there is an external force to drive the locking member 40 to disengage from the position of the locking driving member 20, due to the blocking of the locking portion 21 by the locking member 40, the locking of the driving member 20 can be effectively achieved, and thus the overall size of the door opening device 1 can be reduced.
For example, as shown in fig. 5 and fig. 6 by way of example, the locking member 40 is configured as an elastic sheet, one end of the locking member 40 close to the driving member 20 is provided with a clamping protrusion, the locking portion 21 is configured as an abdicating groove located at the bottom of the driving member 20, when a pulling force applied to the locking portion 21 is greater than a predetermined value, the locking member 40 releases the locking portion 21, so that the driving member 20 is movable relative to the base 10, when the driving member 20 moves towards a direction close to the locking member 40, the elastic sheet configured as the locking member 40 is clamped into the abdicating groove configured as the locking portion 21, and then the driving member 20 can move according to a preset motion track, a user can manually open and close the door body 2, and when the user manually opens and closes the door body 2, the driving member 20 moves back and forth on the base 10 along with the connecting member 30. When the pulling force that locking portion 21 receives is less than or equal to the predetermined value, locking piece 40 locking portion 21 for driving piece 20 is fixed for base 10, at this moment, because locking piece 40 is close to driving piece 20 one end and is equipped with the card protruding, the shell fragment that locking piece 40 constructed ends and supports driving piece 20, makes driving piece 20 fixed for base 10, when driving piece 20 is fixed, can drive connecting piece 30 in order to realize the switch door body 2 through driving piece 20, realizes the automatic switch door body 2.
Alternatively, the locking member 40 is fixed to the base 10, and a side of the locking member 40 close to the locking portion 21 is provided with a first guiding inclined surface, which is configured to incline in a direction away from the base 10 toward a direction away from the locking portion 21, so that when the locking portion 21 is moved by an external force, the first guiding inclined surface provides a component force that urges the locking member 40 (or the locking portion 21) away from the position of the locking driving member 20, so as to release the driving member 20 from the locking state under a predetermined pulling force. This can serve as a guide when the lock member 40 releases the lock portion 21.
For example, as shown in fig. 5 and fig. 6 by way of example, the locking member 40 is configured as an elastic sheet, one end of the locking member 40 close to the driving member 20 is provided with a locking protrusion, a first guiding inclined surface is provided at one side of the locking protrusion close to the driving member 20, the locking portion 21 is configured as an abdicating groove at the bottom of the driving member 20, when the locking member 40 locks the locking portion 21, since one end of the locking member 40 close to the driving member 20 is provided with the locking protrusion, the elastic sheet configured as the locking member 40 abuts against the driving member 20, so that the driving member 20 is fixed relative to the base 10, when the pulling force applied to the locking portion 21 is greater than a predetermined value, the locking member 40 releases the locking portion 21, so that the driving member 20 is movable relative to the base 10, when the driving member 20 moves towards the direction close to the locking member 40, when the elastic sheet configured as the locking member 40 is blocked into the abdicating groove configured as the locking portion 21, the first guiding inclined surface plays a role, so that the locking member 40 can slide more smoothly when the locking member is blocked into the locking portion 21. Afterwards, the driving member 20 can move according to a preset motion track, a user can manually open and close the door body 2, and when the user manually opens and closes the door body 2, the driving member 20 moves back and forth on the base 10 along with the connecting member 30. When locking portion 21 receives pulling force less than or equal to the predetermined value, locking piece 40 locking portion 21, the shell fragment that locking piece 40 constructed ends driving piece 20, the pulling force that driving piece 20 received is not enough to make the shell fragment card go into the groove of stepping down for driving piece 20 is fixed for base 10, and when driving piece 20 was fixed, can drive connecting piece 30 through driving piece 20 in order to realize the switch door body 2, realization automatic switch door body 2.
Or, for example, the locking member 40 is configured as an elastic protrusion connected to the base 10, the locking portion 21 is configured as a groove at the bottom of the driving member 20, when the pulling force applied to the locking portion 21 is larger than a predetermined value, the locking member 40 releases the locking portion 21, the elastic protrusion configured as the locking member 40 is clamped into the groove configured as the locking portion 21, and when the locking member 40 locks the locking portion 21, the elastic protrusion configured as the locking member 40 abuts against the driving member 20, so that the driving member 20 is fixed relative to the base 10. When the pulling force that locking portion 21 receives is greater than the predetermined value, locking piece 40 releases locking portion 21 for driving piece 20 is portable for base 10, when driving piece 20 moves towards the direction that is close to locking piece 40, when the elastic bulge card that locking piece 40 constitutes goes into the recess that locking portion 21 constitutes, and first direction inclined plane plays the guide effect, makes locking piece 40 can be more smooth when going into locking portion 21. Afterwards, the driving member 20 can move according to a preset motion track, a user can manually open and close the door body 2, and when the user manually opens and closes the door body 2, the driving member 20 moves back and forth on the base 10 along with the connecting member 30. When locking portion 21 receives pulling force less than or equal to the predetermined value, locking piece 40 locking portion 21, the shell fragment that locking piece 40 constructed ends driving piece 20, the pulling force that driving piece 20 received is not enough to make the elastic bulge card go into in the recess for driving piece 20 is fixed for base 10, when driving piece 20 is fixed, can drive connecting piece 30 through driving piece 20 in order to realize the switch door body 2, realizes the automatic switch door body 2.
Alternatively, the side of the locking part 21 close to the locking member 40 is provided with a first guide slope configured to be inclined in a direction away from the base 10 toward a direction away from the locking member 40, thereby being able to play a role of guiding when the locking member 40 releases the locking part 21.
As shown in fig. 5 and 6, optionally, a second guiding inclined surface 42 is provided on a side of the locking member 40 close to the connecting member 30, and the second guiding inclined surface 42 is configured to be inclined toward a direction close to the locking portion 21 in a direction away from the base 10, so that the locking member 40 can be more smoothly guided in the process of locking the locking portion 21. Thus, when the driving member 20 needs to be switched to the locked state, the second guiding slope 42 also provides a certain component force to urge the driving member to be locked again by the locking member 40.
For example, the locking member 40 is configured as an elastic sheet, one end of the locking member 40 close to the driving member 20 is provided with a protruding portion, the second guiding inclined plane 42 is disposed on one side of the protruding portion away from the driving member 20, the locking portion 21 is configured as a receding groove located at the bottom of the driving member 20, when the pulling force applied to the locking portion 21 is less than or equal to a predetermined value, the locking member 40 locks the locking portion 21, so that the driving member 20 is fixed relative to the base 10, at this time, because one end of the locking member 40 close to the driving member 20 is provided with the protruding portion, the elastic sheet configured as the locking member 40 abuts against the driving member 20, so that the driving member 20 is fixed relative to the base 10, when the driving member 20 is fixed, the connecting member 30 can be driven by the driving member 20 to realize the opening and closing door body 2, and the automatic opening and closing door body 2 is realized.
When the pulling force that locking portion 21 receives is greater than the predetermined value, locking piece 40 releases locking portion 21 for driving piece 20 is portable for base 10, when driving piece 20 moves towards the direction that is close to locking piece 40, when the shell fragment that locking piece 40 constitutes gone into the groove of stepping down that locking portion 21 constitutes, first direction inclined plane plays the guide effect, makes locking piece 40 can be more in the same direction as smooth when going into locking portion 21. Afterwards, the driving member 20 can move according to a preset movement track, a user can manually open and close the door body 2, and when the user manually opens and closes the door body 2, the driving member 20 moves back and forth on the base 10 along with the connecting member 30. After that, when the locking member 40 is required to lock the locking portion 21, and the manual door 2 opening and closing mode is switched to the automatic door 2 opening and closing mode, the locking portion 21 receives thrust, the driving member 20 moves towards the direction away from the locking member 40 until the locking member 40 exits from the abdicating groove formed by the locking portion 21, in the process, the second guide inclined surface 42 plays a role in guiding, and the elastic sheet formed by the locking member 40 can exit from the abdicating groove formed by the locking portion 21 to be smoother.
For example, the locking member 40 is configured as an elastic protrusion connected to the base 10, the locking portion 21 is configured as a groove at the bottom of the driving member 20, when the pulling force applied to the locking portion 21 is larger than a predetermined value, the locking member 40 releases the locking portion 21, the elastic protrusion configured on the locking member 40 is clamped into the groove configured on the locking portion 21, and when the locking member 40 locks the locking portion 21, the elastic protrusion configured on the locking member 40 stops against the driving member 20, so that the driving member 20 is fixed relative to the base 10.
When the pulling force that locking portion 21 receives is greater than the predetermined value, locking piece 40 releases locking portion 21 for driving piece 20 is portable for base 10, when driving piece 20 moves towards the direction that is close to locking piece 40, when the elastic bulge card that locking piece 40 constitutes goes into the recess that locking portion 21 constitutes, and first direction inclined plane plays the guide effect, makes locking piece 40 can be more smooth when going into locking portion 21. Afterwards, the driving member 20 can move according to a preset motion track, a user can manually open and close the door body 2, and when the user manually opens and closes the door body 2, the driving member 20 moves back and forth on the base 10 along with the connecting member 30. After that, when the locking member 40 is required to lock the locking portion 21, and the manual door body 2 opening and closing mode is switched to the automatic door body 2 opening and closing mode, the locking portion 21 receives a thrust force, the driving member 20 moves in a direction away from the locking member 40 until the elastic protrusion formed by the locking member 40 exits the groove formed by the locking portion 21, and in this process, the second guide inclined surface 42 plays a role in guiding, so that the elastic protrusion formed by the locking member 40 exits the groove formed by the locking portion 21 more smoothly.
Alternatively, the side of the locking part 21 close to the link 30 is provided with a second guiding inclined surface 42, and the second guiding inclined surface 42 is configured to incline towards the locking part 21 in the direction away from the base 10, thereby enabling the locking part 40 to be smoother and to play a guiding role in locking the locking part 21.
As shown in fig. 1 and 4, the lockout member 40 optionally includes a pin 43 and a reset member. Specifically, the pin 43 is movably disposed on the base 10 between a locking position and a releasing position, and the pin 43 is opposite to the locking portion 21 in the moving direction of the driving member 20 at the locking position, so that the pin 43 locks the locking portion 21 at the locking position, and the driving member 20 is fixed and immovable relative to the base 10, thereby achieving automatic opening and closing of the door body 2. And the pin 43 is staggered with the locking part 21 in the moving direction of the driving piece at the releasing position, so that the pin 43 releases the locking part 21 at the releasing position, the driving piece 20 can move relative to the base 10, and the door body 2 can be opened and closed manually. The returning member is connected to the pin 43 and normally biases the pin 43 toward the lock position, thereby allowing the pin 43 to return to the lock position after releasing the lock portion 21 at the release position, and allowing the pin 43 to always hold the lock portion 21 at the lock position when the pin 43 locks the lock portion 21.
As shown in fig. 1, the driving member 20 optionally includes a driving portion 22 and a transmission portion 23, and the driving portion 22 is connected to the transmission portion 23 and drives the transmission portion 23 to extend and retract relative to the driving portion 22. When the locking part 21 on the driving part 20 is locked by the locking piece 40, when the driving part 20 is fixed relative to the base 10, the driving part 22 is fixed relative to the base 10 and cannot move, the driving part 23 is movable relative to the driving part 22 and the base 10, and the driving part 22 drives the driving part 23 to stretch relative to the driving part 22 and drive the connecting piece 30 to move so as to open and close the door body 2, so that the door body 2 is automatically opened and closed. When the locking member 40 releases the locking part 21 on the driving part 22, the driving part 22 and the transmission part 23 are relatively fixed, the driving part 22 is movable relative to the base 10, the transmission part 23 is movable relative to the base 10, and at this time, the door body 2 can be opened and closed manually.
As shown in fig. 1 to 4, the locking portion 21 is optionally configured as a hook, and the hook is provided at an end of the driving member 20 facing away from the connecting member 30. This can increase the variety of the structure of the locking portion 21. For example, in some embodiments, the latching portion 21 is configured as a catch and the latching member 40 includes a pin 43 and a reset member. Specifically, the pin 43 is movably disposed on the base 10 between a locking position and a releasing position, the pin 43 is opposite to the hook portion of the hook in the moving direction of the driving element 20 at the locking position, the hook includes a slot, and the pin 43 is located in the slot of the hook at the locking position, so that the pin 43 locks the locking portion 21 at the locking position, the driving element 20 is fixed and immovable relative to the base 10, and the door body 2 can be automatically opened and closed. And the pin 43 is staggered with the hook part of the hook in the moving direction of the driving piece at the releasing position, so that the pin 43 leaves the clamping groove at the releasing position to release the hook, the driving piece 20 can move relative to the base 10, and the door body 2 can be opened and closed manually. The reset member is connected to the pin 43 and normally biases the pin 43 toward the latched position, thereby allowing the pin 43 to return to the latched position after the pin 43 is moved away from the notch in the released position to release the hook, at which point the pin 43 is out of the notch and the hook is free to move without being stopped by the pin 43. When the pin 43 locks the locking part 21, the pin 43 is always kept in the locking position, i.e. in the locking hook.
As shown in fig. 1-4, according to some embodiments of the present invention, the driving member 20 includes a driving part 22 and a transmission part 23, and the transmission part 23 includes a lead screw 231 and a slider 232. Specifically, one end of the lead screw 231 is connected to the driving part 22; one end of the sliding block 232 is connected with the other end of the screw rod 231, and the other end of the sliding block 232 is connected with the connecting piece 30. When the locking part 21 is locked by the locking member 40, and the driving member 20 is fixed relative to the base 10, the driving portion 22 drives the screw rod 231 to rotate, so that the sliding block 232 extends and retracts relative to the screw rod 231, the sliding block 232 moves to drive the connecting member 30 to move, and then the door body 2 is opened and closed, and therefore the door body 2 is automatically opened and closed. When the locking member 40 releases the locking part 21, the driving member 20 can move relative to the base 10, and at this time, there is no relative displacement between the driving part 22 and the transmission part 23, that is, there is no relative displacement between the driving part 22, the lead screw 231, the slider 232 and the connecting member 30 at this time, and the driving part 22, the lead screw 231, the slider 232 and the connecting member 30 move together relative to the base 10, and at this time, the door body 2 can be opened and closed manually.
As shown in fig. 1 to 4, optionally, a sliding table 2321 is disposed on the sliding block 232, a limiting groove 11 is disposed on the base 10, the limiting groove 11 extends in a movable direction of the driving member 20, and the sliding table 2321 slides in the limiting groove 11, so that the limiting groove 11 can limit the sliding table 2321, when the locking part 40 releases the locking part 21, the driving member 20 can move relative to the base 10, at this time, the driving member 20 does not move arbitrarily relative to the base 10, because of the limitation of the sliding table 2321 in the limiting groove 11, the driving member 20 can only move in a certain range relative to the base 10, the possibility that the driving member 20 or the connecting member 30 is separated from the base 10 when the door opening device 1 is manually opened and closed is reduced, so that the driving member 20 can be reset, and the door opening device 1 can be switched from the manually opened and closed door 2 to the automatically opened and closed door 2. When locking member 40 locking part 21, driving piece 20 is fixed for base 10, and driving piece 20 drive slip table 2321 removed this moment, and slip table 2321 can only remove in spacing groove 11, has reduced the possibility that slip table 2321 and driving piece 20 declutched, makes slip table 2321 have certain stroke simultaneously, has reduced the possibility that connecting piece 30 declutched from base 10.
As shown in fig. 1-4, optionally, the connector 30 includes a connecting piece 31 and a connecting rod 32. The connecting piece 31 is used for connecting the door body 2, the connecting rod 32 is hinged with the connecting piece 31 and the sliding block 232 respectively, the hinged position of the connecting rod 32 and the connecting piece 31 is staggered with the rotating central shaft of the connecting piece 31, the connecting piece 31 can rotate relative to the connecting rod 32, and the door body 2 is driven in the rotating process of the connecting piece 31 relative to the connecting rod 32, so that the door body 2 can be opened and closed. In the process of automatically opening and closing the door body 2 and the process of manually opening and closing the door body 2, the connecting sheet 31 rotates relative to the connecting rod 32, and the difference is that in the process of manually opening and closing the door body 2, the door body 2 is opened and closed to drive the connecting sheet 31 to rotate, the connecting sheet 31 rotates to drive the connecting rod 32 to move relative to the base 10, and the connecting rod 32 moves to drive the driving piece 20 to move relative to the base 10; in the process of automatically opening and closing the door body 2, the driving part 20 is immovable relative to the base 10, the driving part 22 drives the screw rod 231 to rotate, so that the sliding block 232 extends and retracts relative to the screw rod 231, the sliding block 232 moves to drive the connecting rod 32 to move, and the connecting rod 32 moves to drive the connecting piece 30 to rotate, so that the door body 2 is opened and closed.
As shown in fig. 1 to 4, optionally, a guide groove 321 is formed in the connecting rod 32, a guide hook 12 is formed on the base 10, the guide hook 12 is located in the guide groove 321, and in a direction in which the guide hook 12 gradually gets away from the connecting piece 30, a bottom wall of the guide groove 321 is inclined toward a direction gradually getting close to the guide hook 12, so that in a moving process of the connecting rod 32, in a direction in which the guide hook 12 gradually gets away from the connecting piece 30, the connecting rod 32 is limited by the guide hook 12, thereby limiting a moving stroke of the connecting rod 32, and preventing the connecting rod 32 from completely moving freely relative to the base 10 to cause non-resetting.
As shown in fig. 7 to 11, the home appliance according to the embodiment of the present invention includes: a housing, the door opener 1 and the door 2. Specifically, the shell defines an accommodating cavity with one end open, and food can be contained in the accommodating cavity. The door body 2 is used for sealing the opening, the door body 2 is connected with the shell through the door opening device 1, and the base 10 is arranged in the accommodating cavity. The user will wait to cook or wait to heat when food puts into holding the chamber in needs, opens door body 2, puts into from the opening part and holds the chamber, later with door body 2 closure, the closing cap opening to it is sealed to make and holds the chamber, carries out work. The household appliance may be an electric oven, a microwave oven, or other household appliances, and is particularly suitable for an electric oven, but the application is not limited thereto.
According to the household appliance provided by the embodiment of the invention, the driving piece 20 is locked by the locking piece 40, and the driving piece 20 is released by the locking piece 40, so that the two modes of automatically opening and closing the door body 2 of the door opening device 1 and manually opening and closing the door body 2 by a user can be freely switched, the use experience of the household appliance is further improved, and the use satisfaction of the user is further improved.
As shown in fig. 1, 7-11, the household appliance optionally further comprises a mounting base 3. Specifically, the mount pad 3 is located the one side that the chamber was held to the door body 2 orientation, and mount pad 3 is equipped with the hinge slot, and the connecting piece inlays in the hinge slot, through the cooperation of connection piece 31 and mounting groove, can realize the fixed connection of the door body 2 with connection piece 31, makes connection piece 31 more reliable with being connected of the door body 2 simultaneously.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A door opener characterized by comprising:
a base;
the driving piece is movably arranged on the base;
the connecting piece is connected with the driving piece, and the driving piece drives the connecting piece to move so as to open and close the door body;
the locking piece is arranged on the base to lock and release the driving piece, the locking piece is constructed into an elastic bulge connected with the base, the locking piece locks the driving piece, so that the driving piece is fixed relative to the base, and the locking piece releases the driving piece, so that the driving piece is movable relative to the base;
the driving piece comprises a locking part, the locking piece is suitable for locking the locking part to fix the driving piece relative to the base, and the locking piece is configured to release the locking part if the locking part is subjected to a pulling force greater than a preset value;
the locking piece locks the driving piece, and then: the locking piece is positioned on one side of the locking part close to the connecting piece, and the locking piece is opposite to the locking part in the moving direction of the driving piece;
the locking piece is fixedly arranged on the base, one side, close to the locking part, of the locking piece is provided with a first guide inclined surface, and the first guide inclined surface is configured to incline towards the direction far away from the locking part in the direction far away from the base.
2. The door opener of claim 1, wherein a side of the locking member adjacent to the connecting member is provided with a second guide slope configured to be inclined in a direction away from the base toward a direction adjacent to the locking portion.
3. The door opener according to any one of claims 1 to 2, wherein the driving member comprises a driving portion and a transmission portion, the driving portion being connected to the transmission portion and driving the transmission portion to extend and retract relative to the driving portion.
4. The door opener according to any one of claims 1 to 2, wherein the driving member comprises a driving portion and a transmission portion, the transmission portion comprising:
one end of the screw rod is connected with the driving part;
and one end of the sliding block is connected with the other end of the screw rod, and the other end of the sliding block is connected with the connecting piece.
5. The door opener according to claim 4, wherein a sliding table is provided on the sliding block, a limiting groove is provided on the base, the limiting groove extends along the movable direction of the driving member, and the sliding table slides in the limiting groove.
6. The door opener of claim 4, wherein the connector comprises:
the connecting sheet is used for connecting the door body;
and the connecting rod is hinged with the connecting sheet and the sliding block respectively.
7. The door opener according to claim 6, wherein the connecting rod is provided with a guide groove, the base is provided with a guide hook, the guide hook is positioned in the guide groove, and the bottom wall of the guide groove is inclined toward the direction gradually approaching the guide hook in the direction in which the guide hook gradually leaves the connecting piece.
8. A household appliance, characterized in that it comprises:
the shell defines a containing cavity with one open end;
the door opening device according to any one of claims 1 to 7;
and the door body is used for covering the opening, and is connected with the shell through the door opening device.
9. The household appliance of claim 8, further comprising:
the mounting seat is arranged on one side, facing the accommodating cavity, of the door body, the mounting seat is provided with a hinge groove, and the connecting piece is embedded in the hinge groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011595123.6A CN112696107B (en) | 2020-12-29 | 2020-12-29 | Door opening device and household electrical appliance with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011595123.6A CN112696107B (en) | 2020-12-29 | 2020-12-29 | Door opening device and household electrical appliance with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112696107A CN112696107A (en) | 2021-04-23 |
| CN112696107B true CN112696107B (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011595123.6A Active CN112696107B (en) | 2020-12-29 | 2020-12-29 | Door opening device and household electrical appliance with same |
Country Status (1)
| Country | Link |
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| CN (1) | CN112696107B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023087479A1 (en) * | 2021-11-17 | 2023-05-25 | 广东美的厨房电器制造有限公司 | Lock structure and cooking appliance |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015000407B3 (en) * | 2015-01-13 | 2016-04-21 | Apparatebau Gronbach GmbH | Hinge and stove with such a hinge |
| KR102001224B1 (en) * | 2018-04-16 | 2019-07-17 | 엘지전자 주식회사 | A Latch Module, a Controlling Method thereof and a Cooking Device Using the Same |
| CN210003097U (en) * | 2018-10-09 | 2020-01-31 | 佛山市顺德区诺维电器有限公司 | hinge structure of dishwasher with cabinet free pause and automatic reset function |
| CN111502468A (en) * | 2019-01-30 | 2020-08-07 | 青岛海尔智慧厨房电器有限公司 | Door body switch mechanism and household appliance |
| CN211666491U (en) * | 2019-11-01 | 2020-10-13 | 东莞市鼎太电器有限公司 | Manual-automatic integrated electric oven door hinge |
| CN211666497U (en) * | 2019-12-12 | 2020-10-13 | 东莞市鼎太电器有限公司 | Manual-automatic integrated electric hinge |
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2020
- 2020-12-29 CN CN202011595123.6A patent/CN112696107B/en active Active
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| CN112696107A (en) | 2021-04-23 |
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