CN219691291U - Door lock structure for household appliance and household appliance - Google Patents

Door lock structure for household appliance and household appliance Download PDF

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Publication number
CN219691291U
CN219691291U CN202321121418.9U CN202321121418U CN219691291U CN 219691291 U CN219691291 U CN 219691291U CN 202321121418 U CN202321121418 U CN 202321121418U CN 219691291 U CN219691291 U CN 219691291U
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China
Prior art keywords
locking
locking piece
lock
door
piece
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CN202321121418.9U
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Chinese (zh)
Inventor
施郑赞
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Ningbo Fotile Kitchen Ware Co Ltd
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Ningbo Fotile Kitchen Ware Co Ltd
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Priority to CN202321121418.9U priority Critical patent/CN219691291U/en
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Abstract

The utility model relates to a door lock structure for a household appliance and the household appliance, wherein the door lock structure comprises a lock rod, and a lock catch part is arranged on the lock rod at a position adjacent to a second end; the first driving mechanism is in driving connection with the lock rod and is used for driving the lock rod to reciprocate along the axial direction of the lock rod; the locking piece is arranged on the door body of the household appliance, can move to a first position or a second position towards or away from the locking part, and is locked with the locking part in a state that the locking piece is in the first position; in the state that the locking piece is at the second position, the locking piece and the locking part are in an unlocking state; the locking piece has magnetism, the door lock structure also comprises an electromagnet, and the electromagnet can attract or repel the locking piece magnetically in an electrified state, so that the locking piece moves in a direction away from or close to the locking part; and the reset piece is connected with the locking piece, so that the locking piece moves towards or away from the locking part. The door lock structure can realize automatic door opening and closing.

Description

Door lock structure for household appliance and household appliance
Technical Field
The utility model relates to the technical field of household appliances, in particular to a door lock structure for a household appliance and the household appliance.
Background
For the case body with functional inner cavities, such as a steam box, an oven, a dish washer and the like, due to functional requirements, a door body capable of opening or covering the opening is usually arranged at the opening part of the case body, and in the using process of the case body, the door body needs to be locked relative to the case body through a door lock structure. The door lock structure on the current dish washer only has the locking effect generally, and the door opening and closing can be realized only by manually pushing the door body by a user, so that the door lock structure is inconvenient to use.
To the above-mentioned problem, chinese patent publication No. CN202022033167.1 (bulletin No. CN 214006807U) discloses a door lock device of a cleaning machine, which comprises a lock tongue and a lock hook that are matched, the lock tongue is disposed in a door body of the cleaning machine, and the lock hook is disposed in a groove body of the cleaning machine, and is characterized in that: the locking device comprises a lock hook, a first driver, a second driver and a control circuit board, wherein the lock hook is used for driving the lock tongue to move up and down, the control circuit board is electrically connected with the first driver and the second driver, the lock hook is provided with a locking groove facing the lock tongue, the first driver can drive the lock tongue to move back and forth relative to the locking groove, the first driver is a telescopic motor with a transmission gear, and the second driver is a push rod motor.
Although the door body can be automatically opened and closed, the push rod motor or the telescopic motor is complex in structure and easy to deviate and damage.
Disclosure of Invention
The first technical problem to be solved by the present utility model is to provide a door lock structure for a household appliance, which can also realize automatic door opening and closing, aiming at the current state of the art.
The second technical problem to be solved by the utility model is to provide a door lock structure for household appliances, which has low failure rate and quick response, aiming at the current state of the art.
The third technical problem to be solved by the utility model is to provide a household appliance applying the door lock structure aiming at the current state of the art.
The technical scheme adopted by the utility model for solving the first and second technical problems is as follows: a door lock structure for a home appliance includes
The first end of the lock rod is used for being installed on an electric appliance main body of the household appliance, the second end of the lock rod is used for extending towards a door body of the household appliance and can be propped against the door body, and a lock catch part is arranged on the lock rod at a position adjacent to the second end;
the first driving mechanism is in driving connection with the lock rod and is used for driving the lock rod to reciprocate along the axial direction of the lock rod;
the locking piece is arranged on the door body of the household appliance, can move to a first position or a second position towards or away from the locking part, and is locked with the locking part when being in the first position; in a state that the locking piece is in the second position, the locking piece and the locking part are in an unlocking state;
characterized in that the locking member has magnetism, the door lock structure further comprises
The electromagnet can magnetically attract or repel the locking piece in an electrified state, so that the locking piece moves in a direction away from or close to the locking part;
and the reset piece is connected with the locking piece, so that the locking piece moves towards or away from the locking part.
The restoring element can have various structural forms, such as a push rod motor, and is structurally simple, and the restoring element is an elastic element, so that the locking element always keeps a trend of moving towards a direction approaching or away from the locking part.
In the above-described aspect, the electromagnet may be configured to drive the lock member to move in a direction away from the lock portion in the energized state, and the elastic member may be configured to keep the lock member in a tendency to move toward the lock portion. Therefore, when the door body is opened in the power-on state, and when the door body is closed in the power-off state, the time for opening the door body is shorter, the power is saved, and otherwise, the power is consumed.
The locking part and the locking piece can have various structural forms, such as the matching of the existing locking hook and the locking hole, the structure is simple, the locking part is the locking hole formed on the locking rod, and the locking piece is in a rod shape capable of being penetrated in the locking hole.
In order to facilitate the locking piece to penetrate through the lock hole, the locking piece occupies small space, and the extending direction of the locking piece is perpendicular to the extending direction of the lock rod. If the extending directions of the locking piece and the locking rod are parallel, the occupied space of the door lock structure in the extending direction of the locking rod is larger, and the door lock structure is not beneficial to being installed on the household appliance.
In order to be convenient for install locking piece, electro-magnet, elastic component on the door body, locking piece, electro-magnet and elastic component all set up in a holding box, have seted up the hole of wearing out that supplies the locking piece to wear out on the lateral wall of holding box, the holding box is used for installing on the door body. Therefore, after the locking piece, the electromagnet and the elastic piece are all installed in the accommodating box, the accommodating box is integrally installed on the door body, the structure is compact, the integration level is high, and the accommodating box is convenient to install on the door body.
The first driving mechanism can have various structural forms, and preferably, the first driving mechanism comprises a motor and a transmission assembly for transmitting the power of the motor to the lock rod, and the transmission assembly is connected with the motor in a driving way.
The transmission assembly can have various structural forms, such as a gear transmission mode, and also can be that the transmission assembly comprises a screw rod and a nut which are in threaded connection, wherein the screw rod is connected with a motor drive, the nut is connected with a lock rod, and the screw rod and the lock rod are coaxially arranged.
In order to facilitate the installation of the first driving mechanism and the lock rod on the electric appliance main body, the first driving mechanism and the lock rod are both installed in a shell with a hollow inside, a through hole for the lock rod to pass through is formed in the side wall of the shell, and the shell is used for being installed on the electric appliance main body. Therefore, after the first driving mechanism and the lock rod are installed in the shell, the shell is installed on the electric appliance main body, and the integrated level is high and the installation is convenient.
The limiting piece is arranged in the shell and located on a path of the nut moving in a direction away from the door body, and the limiting piece can prop against the nut, so that the moving stroke of the nut in the retreating process is limited.
The technical scheme adopted by the utility model for solving the third technical problem is as follows: the household appliance with the door lock structure is characterized in that: the box body is an electric appliance main body, a washing cavity with one side open is formed in the box body, and the door body can be movably arranged at the opening of the box body so as to open and close the washing cavity.
Preferably, the household appliance is a cleaning machine, the top of the washing cavity of the box body is open, and the lock rod extends vertically; or the household appliance is a cleaning machine, the front side of the washing cavity of the box body is open, and the lock rod extends in the front-back direction.
Compared with the prior art, the utility model has the advantages that: 1. the locking piece is magnetic, and then the movement of the locking piece is controlled by controlling whether the electromagnet is electrified or not, so that the locking or unlocking of the locking rod is realized, the locking rod pulls the door body to realize the door closing in the locking state of the locking rod, and the locking rod pushes the door body to realize the door opening in the unlocking state of the locking rod, namely, the door lock structure can realize the automatic door opening and closing by controlling the on-off of the electromagnet, and compared with the manual door opening and closing mode, the door opening and closing mode is convenient; 2. the magnetic matching mode of the electromagnet and the locking piece has the advantages of short response time, high response speed, simple structure, high working reliability and low failure rate, and can rapidly realize the opening and closing of the door.
Drawings
Fig. 1 is a schematic view of a structure of a home appliance according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view at A of FIG. 2;
FIG. 4 is a schematic structural view of the door lock structure in FIG. 3;
fig. 5 is a cross-sectional view of fig. 4.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 5, the household appliance of the preferred embodiment is a cleaning machine capable of cleaning tableware, fruits and vegetables, and comprises an appliance main body 1, a door body 2 and a door lock structure a, wherein the appliance main body 1 is a box body of the cleaning machine, which is provided with a cleaning cavity, in the embodiment, the front side of the cleaning cavity is open, and the door body 2 can be movably arranged at the opening of the box body to open and close the cleaning cavity, which is the prior art and is not repeated herein.
The door lock structure a includes a lock lever 3, a first driving mechanism 4, a lock member 5, an electromagnet 6, a reset member, and the like.
The first end of the lock lever 3 is installed on the electric appliance main body 1 of the household appliance, the second end extends towards the door body 2 of the household appliance and can be propped against the door body 2, the lock lever 3 is provided with a locking part 31 at a position adjacent to the second end, in this embodiment, the locking part 31 is a locking hole formed on the lock lever 3, and the lock lever 3 extends along the front-back direction.
The first driving mechanism 4 and the lock rod 3 are both arranged in a hollow shell 8, the shell 8 is arranged on the electric appliance main body 1, a through hole 81 for the lock rod 3 to pass through is formed in the side wall of the shell 8, and the first driving mechanism 4 is in driving connection with the lock rod 3 and is used for driving the lock rod 3 to reciprocate along the axial direction of the lock rod 3.
The first driving mechanism 4 includes a motor 41 and a transmission assembly for transmitting power of the motor 41 to the lock lever 3, the transmission assembly being drivingly connected to the motor 41. In this embodiment, the transmission assembly includes a screw 42 and a nut 43 in threaded connection, the screw 42 is in driving connection with the motor 41, the nut 43 is connected with the lock lever 3, and the screw 42 and the lock lever 3 are coaxially disposed. The housing 8 is provided with a stopper 82, the stopper 82 is located on a path along which the nut 43 moves away from the door body 2, and the stopper 82 can abut against the nut 43, so as to limit the moving stroke of the nut 43.
The locking piece 5 is arranged on the door body 2 of the household appliance, the locking piece 5 can move to a first position or a second position towards or away from the locking part 31, and the locking piece 5 is locked with the locking part 31 under the state that the locking piece 5 is at the first position; in the state where the lock 5 is in the second position, the lock 5 and the lock catch portion 31 are in an unlocked state. In this embodiment, the locking member 5 has a rod shape capable of being inserted into the lock hole, and the extending direction of the locking member 5 is perpendicular to the extending direction of the lock rod 3, and the locking member 5 is located below the lock rod 3 when in the second position.
The locking piece 5 has magnetism, and the electromagnet 6 can attract with the magnetism of the locking piece 5 under the power-on state, so that the locking piece 5 moves towards the direction away from the locking part 31, and the reset piece is connected with the locking piece 5, so that the locking piece 5 is reset.
Of course, the electromagnet 6 may magnetically repel the locking member 5 in the energized state, so that the locking member 5 moves in a direction approaching the locking portion 31, and the reset member moves the locking member 5 in an opposite direction. The driving force of the return member and the driving force of the electromagnet 6 move the locking member 5 in opposite directions.
In this embodiment, the restoring member is an elastic member 7, so that the locking member 5 always keeps a tendency to move toward the locking portion 31. Specifically, the elastic member 7 is a spring, and both ends are respectively connected to the locking member 5 and the electromagnet 6.
The locking piece 5, the electromagnet 6 and the elastic piece 7 are all arranged in a containing box 0, a penetrating hole 01 for the locking piece 5 to penetrate out is formed in the side wall of the containing box 0, and the containing box 0 is arranged on the door body 2. Therefore, after the locking piece 5, the electromagnet 6 and the elastic piece 7 are arranged in the accommodating box 0, the accommodating box 0 is integrally arranged on the door body 2, and the door has the advantages of compact structure, high integration level and convenience in installation on the door body 2.
In other embodiments, the top of the box body is open, and the lock rod 3 extends vertically.
The working process of the door lock structure of this embodiment is as follows:
when the door is opened: after the electromagnet 6 is electrified, the electromagnet and the locking piece 5 are magnetically attracted, the locking piece 5 moves in a direction away from the locking part 31, the elastic piece 7 is compressed, when the locking piece 5 moves to the second position, the motor 41 works, and the locking rod 3 is driven to move towards the door body 2 until the door body 2 is pushed open;
when the door is closed: the motor 41 operates to drive the lock lever 3 to push the door body 2 to a predetermined position, at this time, the latch portion 31 and the locking member 5 are aligned, then the electromagnet 6 is powered off, the magnetic force between the electromagnet 6 and the locking member 5 is small, the locking member 5 moves toward the latch portion 31 under the action of the elastic member 7 until the locking member 5 is inserted into the latch portion 31, and after the motor 41 drives the lock lever 3 to move in a direction away from the door body 2, and the door is pulled back to a closed state.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for purposes of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and because the disclosed embodiments of the present utility model may be arranged in different orientations, these directional terms are merely for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to orientations opposite or coincident with the direction of gravity.

Claims (12)

1. A door lock structure for a home appliance includes
The first end of the lock rod (3) is used for being installed on the electric appliance main body (1) of the household appliance, the second end of the lock rod is used for extending towards the door body (2) of the household appliance and can be abutted against the door body (2), and a lock catch part (31) is arranged on the lock rod (3) at a position adjacent to the second end;
the first driving mechanism (4) is in driving connection with the lock rod (3) and is used for driving the lock rod (3) to reciprocate along the axial direction of the lock rod (3);
the locking piece (5) is arranged on the door body (2) of the household appliance, the locking piece (5) can move to a first position or a second position towards or away from the locking part (31), and the locking piece (5) is locked with the locking part (31) when the locking piece (5) is in the first position; in a state that the locking piece (5) is at the second position, the locking piece (5) and the locking part (31) are in a state of unlocking;
characterized in that the locking member (5) has magnetism, and the door lock structure further comprises
An electromagnet (6) which can magnetically attract or repel the locking piece (5) in an energized state, so that the locking piece (5) moves in a direction away from or close to the locking part (31);
and the reset piece is connected with the locking piece (5) so as to enable the locking piece (5) to move towards or away from the locking part (31).
2. The door lock structure according to claim 1, wherein: the resetting piece is an elastic piece (7) and enables the locking piece (5) to always keep the trend of moving towards or away from the locking part (31).
3. The door lock structure according to claim 2, wherein: the electromagnet (6) can drive the locking piece (5) to move away from the locking part (31) in the energized state, and the elastic piece (7) enables the locking piece (5) to keep the trend of moving towards the locking part (31).
4. The door lock structure according to claim 1, wherein: the locking part (31) is a lock hole formed in the lock rod (3), and the locking piece (5) is in a rod shape capable of being arranged in the lock hole in a penetrating mode.
5. The door lock structure according to claim 4, wherein: the extending direction of the locking piece (5) is perpendicular to the extending direction of the locking rod (3).
6. The door lock structure according to claim 1, wherein: the locking piece (5), the electromagnet (6) and the elastic piece (7) are arranged in a containing box (0), a penetrating hole (01) for the locking piece (5) to penetrate is formed in the side wall of the containing box (0), and the containing box (0) is used for being installed on the door body (2).
7. The door lock structure according to any one of claims 1 to 6, wherein: the first driving mechanism (4) comprises a motor (41) and a transmission assembly used for transmitting the power of the motor (41) to the lock rod (3), and the transmission assembly is in driving connection with the motor (41).
8. The door lock structure according to claim 7, wherein: the transmission assembly comprises a screw rod (42) and a nut (43) which are in threaded connection, the screw rod (42) is in driving connection with the motor (41), the nut (43) is connected with the lock rod (3), and the screw rod (42) and the lock rod (3) are coaxially arranged.
9. The door lock structure according to claim 8, wherein: the first driving mechanism (4) and the lock rod (3) are both arranged in a shell (8) with a hollow inside, a through hole (81) for the lock rod (3) to pass through is formed in the side wall of the shell (8), and the shell (8) is used for being arranged on the electric appliance main body (1).
10. The door lock structure according to claim 9, wherein: the shell (8) is internally provided with a limiting piece (82), the limiting piece (82) is positioned on a path of the nut (43) moving in a direction away from the door body (2), and the limiting piece (82) can be propped against the nut (43).
11. A household appliance applying the door lock structure as claimed in any one of claims 1 to 10, characterized in that: the novel electric appliance comprises an electric appliance body (1), and is characterized by further comprising a box body and a door body (2), wherein the box body is the electric appliance body (1), a washing cavity with one side open is formed in the box body, and the door body (2) can be movably arranged at the opening of the box body so as to open and close the washing cavity.
12. The household appliance according to claim 11, wherein: the household appliance is a cleaning machine, the top of a washing cavity of the box body is open, and the lock rod (3) extends vertically; or the household appliance is a cleaning machine, the front side of the washing cavity of the box body is open, and the lock rod (3) extends in the front-back direction.
CN202321121418.9U 2023-05-11 2023-05-11 Door lock structure for household appliance and household appliance Active CN219691291U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321121418.9U CN219691291U (en) 2023-05-11 2023-05-11 Door lock structure for household appliance and household appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321121418.9U CN219691291U (en) 2023-05-11 2023-05-11 Door lock structure for household appliance and household appliance

Publications (1)

Publication Number Publication Date
CN219691291U true CN219691291U (en) 2023-09-15

Family

ID=87966838

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321121418.9U Active CN219691291U (en) 2023-05-11 2023-05-11 Door lock structure for household appliance and household appliance

Country Status (1)

Country Link
CN (1) CN219691291U (en)

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