Door lock structure for household appliance and household appliance

Abstract

The utility model relates to a door lock structure for a household appliance and the household appliance, and the door lock structure comprises a shell which is used for being installed on an electric appliance main body; the fixed magnetic part is fixedly arranged in the shell; the movable magnetic part is movably arranged in the shell, the movable magnetic part can move to be in an attraction or repulsion state with the fixed magnetic part, and the movable magnetic part and the fixed magnetic part need to meet the requirement that magnetic lines do not pass through the magnetic door body when the movable magnetic part and the fixed magnetic part are in the attraction state, and the magnetic lines pass through the magnetic door body when the movable magnetic part and the fixed magnetic part are in the repulsion state; and the driving mechanism is in driving connection with the movable magnetic part. The door lock structure is simple, and the door lock structure and the door body are locked in a non-direct contact mode, so that the door lock structure can be integrally arranged on the electric appliance main body, a penetrating hole allowing a part of the door lock structure to penetrate in or out does not need to be formed in the shell, the phenomenon that impurities or water vapor enters the penetrating hole to damage the part is avoided, and the service life of the door lock structure is prolonged. And the working reliability of the door lock structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of household appliances, and particularly to a door lock structure for household appliances and a household appliance. BACKGROUND

[0002] For the electric appliance main body with a functional inner cavity, due to the functional requirement, a door body capable of opening or covering the opening of the electric appliance main body is usually arranged at the opening of the electric appliance main body, and during the use of the electric appliance main body, the door body needs to be locked relative to the electric appliance main body through a door lock structure.

[0003] For example, a Chinese invention patent application with the application number CN202211351510.4 (publication number CN115596286A) discloses a door lock structure for household appliances and a household appliance, which comprises a shell, a lock rod, a lock catch, a convex part provided on the wall surface of the lock catch facing away from the locking groove, the convex part having a first wall surface and a second wall surface intersecting each other, the first wall surface being located at the rear side of the second wall surface, the intersection of the first wall surface and the second wall surface being referred to as an intersection part, a driving block provided in the shell and located below the lock catch, the top wall surface of the driving block comprising a third wall surface and a fourth wall surface connected in sequence, the fourth wall surface being located at the rear side of the third wall surface, the fourth wall surface being inclined downward and rearward from top to bottom, in the unlocked state, the first wall surface of the convex part abuts against the third wall surface of the driving block, in the locked state, the intersection part of the convex part abuts against the fourth wall surface, and a first elastic member acting on the driving block to keep the driving block always moving upward and abutting against the lock catch.

[0004] The current door lock structure is complex in structure, and because the shell of the door lock structure is arranged on the door body and the lock rod is installed on the electric appliance main body, a lock hole needs to be arranged on the shell for the lock rod to pass through. If the sealing is not good enough, water vapor can easily enter the lock hole and corrode the components, affecting the working reliability of the door lock structure.

[0005] In addition, because part of the structure of the door lock structure is arranged on the electric appliance main body and the other part of the structure is arranged on the door body, the structures of the electric appliance main body and the door body need to be changed, which is complex to operate. UTILITY MODEL CONTENTS

[0006] The first technical problem to be solved by the utility model is to provide a door lock structure for household appliances with high working reliability in view of the status of the prior art.

[0007] The second technical problem to be solved by the utility model is to provide a household appliance applying the above door lock structure in view of the status of the prior art.

[0008] The technical solution adopted by the utility model to solve the above first technical problem is that a door lock structure for household appliances comprises

[0009] A shell is arranged on the main body of the electrical appliance;

[0010] A fixed magnetic part is fixedly arranged in the shell;

[0011] A movable magnetic part is movably arranged in the shell, the movable magnetic part can be moved to an attractive state or a repulsive state with the fixed magnetic part, and the movable magnetic part and the fixed magnetic part need to satisfy that the magnetic force lines do not pass through the door body with magnetism in the attractive state, and the magnetic force lines pass through the door body with magnetism in the repulsive state.

[0012] A driving mechanism is connected with the movable magnetic part for driving.

[0013] The movable magnetic part can have various structural forms, such as movement, but more space is needed in the shell for the movable magnetic part to switch between different positions, which can result in a large volume of the door lock structure, therefore, preferably, the movable magnetic part can rotate around an axis extending in a horizontal direction, the extending direction of the rotation axis is referred to as X direction, and the direction perpendicular to the X direction is referred to as Y direction, the fixed magnetic part and the movable magnetic part are arranged along the Y direction in sequence. The movable magnetic part occupies a small space in this way.

[0014] In order to rotate the movable magnetic part, an end of the movable magnetic part is provided with a pin shaft, the driving mechanism includes a driving assembly and a moving rod located beside the pin shaft of the movable magnetic part, the moving rod is connected with the driving assembly for driving to move back and forth along the Y direction, the moving rod is provided with a chute extending and inclined along the Y direction, and the pin shaft is inserted into the chute and can slide along the chute. In the process of moving the pin shaft along the chute, the movable magnetic part is driven to rotate around the axis thereof.

[0015] The driving assembly can have various structural forms, preferably, the driving assembly further includes a driving rod and a connecting rod, the driving rod extends along the Y direction, and the two ends of the connecting rod are fixedly connected with the driving rod and the moving rod respectively.

[0016] In order to drive the driving rod to move along the Y direction, the driving assembly further includes a driving part, a screw rod and a movable rod, the screw rod extends along the Y direction and is connected with the driving part for driving, so that the screw rod can rotate around the axis thereof, the movable rod is threadedly connected with the screw rod, and the driving rod is located on the moving path of the movable rod.

[0017] In the above scheme, the fixed magnetic part has two and is arranged along the Z direction, and the X direction, the Y direction and the Z direction are perpendicular to each other; or, the fixed magnetic part has one.

[0018] In the above scheme, the Y direction is a vertical direction or a front-rear direction.

[0019] The utility model discloses the technical scheme that the second technical problem of above-mentioned is solved for: a kind of household appliance, it is characterized in that, including appliance main body, the door body with magnetism and above-mentioned door lock structure, the appliance main body side is open, the door body can be relative appliance main body movable to open and close the open of appliance main body, the shell is located on appliance main body, the movable magnetic component and fixed magnetic component are all adjacent the open of appliance main body setting, and movable magnetic component is closer to the open of appliance main body relative fixed magnetic component.

[0020] The household appliance can be a steamer, an oven, etc., and can also be a cleaning machine for cleaning tableware and / or fruits and vegetables.

[0021] Compared with the prior art, the utility model has the advantages that: the door lock structure of the utility model is provided with fixed magnetic component and movable magnetic component, the magnetic attraction state of fixed magnetic component and movable magnetic component is changed, so that the magnetic force line can pass through or not pass through the door body with magnetism, when the magnetic force line passes through the door body, the door body can be attracted, the locking of the door body is realized, if the magnetic force line does not pass through the door body, the door body cannot be attracted, and the door body can be opened.

[0022] The door lock structure of the present application is simple, and is locked in a non-direct contact mode with the door body, so that the door lock structure can be arranged on the appliance main body as a whole, and there is no need to open a through hole on the shell for the components of the door lock structure to pass in or out, so that the components are prevented from being damaged by impurities or water vapor entering the through hole, and the working reliability of the door lock structure is improved.

[0023] In addition, the door lock structure of the present application is arranged on the appliance main body as a whole, so that the door body does not need to be modified. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structure schematic view of the cleaning machine of the utility model embodiment;

[0025] Figure 2 It is Figure 1 a structure schematic view of the cleaning machine of the utility model embodiment;

[0026] Figure 3 It is Figure 2 an enlarged view of C of the cleaning machine of the utility model embodiment;

[0027] Figure 4 It is Figure 3 a structure schematic view of the cleaning machine of the utility model embodiment;

[0028] Figure 5 It is Figure 4 a partial structure schematic view of the cleaning machine of the utility model embodiment;

[0029] Figure 6 It is Figure 5 a structure schematic view of movable magnetic component and fixed magnetic component in the cleaning machine of the utility model embodiment;

[0030] Figure 7 is a sectional view; Figure 6

[0031] Figure 8 is a structural schematic view of another movable magnetic member and fixed magnetic member. DETAILED DESCRIPTION

[0032] The technical scheme of the utility model will be described in further detail below in connection with the drawings. Obviously, the described embodiments are only some of the embodiments of the utility model, but not all the embodiments. Based on the embodiments of the utility model, all the other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the utility model.

[0033] In the description of the utility model, it should be understood that, in the description of the utility model patent, unless otherwise specified, "a plurality of" means two or more than two, and the terms "upper", "lower", "left", "right", "top", "bottom", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model patent and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model patent.

[0034] In the description of the utility model patent, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected or integrally connected, it can be mechanically connected or adhesively connected, it can be directly connected or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the utility model patent can be understood according to the specific circumstances.

[0035] As shown in Figures 1-8 , the household appliance of the preferred embodiment is a cleaning machine for cleaning tableware and / or fruits and vegetables. Of course, the household appliance can also be a steamer, an oven, etc.

[0036] The household appliance includes an appliance main body A, a door body B and a door lock structure. The door body B has magnetism, which can be iron material, for example. The appliance main body A is open on one side, and the door body B can move relative to the appliance main body A to open and close the opening of the appliance main body A. In this embodiment, the top of the appliance main body A is open, and the rotational cooperation between the door body B and the appliance main body A can adopt the existing structure.

[0037] As shown in Figures 3-8 ​As shown, the door lock structure comprises a housing 1, a fixed magnetic element 2, a movable magnetic element 3 and a driving mechanism. In this embodiment, the fixed magnetic element 2 and the movable magnetic element 3 are both magnets.

[0038] The housing 1 is mounted on the main body A of the electrical appliance, the fixed magnetic element 2 is fixedly arranged in the housing 1, the movable magnetic element 3 is movably arranged in the housing 1, and the movable magnetic element 3 and the fixed magnetic element 2 are both arranged adjacent to the opening of the main body A of the electrical appliance, and the movable magnetic element 3 is closer to the opening of the main body A of the electrical appliance than the fixed magnetic element 2.

[0039] The driving mechanism is drivingly connected with the movable magnetic element 3, the movable magnetic element 3 can be moved to a state of being attracted to or repelled from the fixed magnetic element 2, and the movable magnetic element 3 and the fixed magnetic element 2 need to satisfy that the magnetic force lines do not pass through the door body B having magnetism in the state of being attracted, and the magnetic force lines pass through the door body B having magnetism in the state of being repelled.

[0040] In the state of being attracted, the magnetic force lines of the movable magnetic element 3 and the fixed magnetic element 2 do not pass through the door body B, at this time the door lock structure cannot attract the door body B, and the door body B can be opened; in the state of being repelled, the magnetic force lines pass through the door body B, so that the door body B can be attracted and locked. The principle is similar to that of the permanent magnetic suction disc attracting and releasing workpieces.

[0041] In this embodiment, the movable magnetic element 3 can rotate around an axis extending in the horizontal direction, the movable magnetic element 3 is fixed relative to the housing 1 in the vertical direction, the extending direction of the rotation axis is referred to as the X direction, and the direction perpendicular to the X direction is referred to as the Y direction. In this embodiment, the X direction is the left-right direction, and the Y direction is the vertical direction.

[0042] The end of the movable magnetic element 3 is provided with a pin shaft 31, the driving mechanism comprises a driving assembly and a moving rod 4 located beside the pin shaft 31 of the movable magnetic element 3, the moving rod 4 can move back and forth along the Y direction, the moving rod 4 is provided with a sliding groove 41 extending and inclined along the Y direction, and the pin shaft 31 is inserted into the sliding groove 41 and can slide along the sliding groove 41. In the process of moving along the sliding groove 41, the pin shaft 31 drives the movable magnetic element 3 to rotate around the axis thereof.

[0043] The driving assembly comprises a driving rod 5, a connecting rod 6, a driving element 7, a screw rod 8 and a movable rod 9, the driving element 7 can be a motor, one end of the moving rod 4 is drivingly connected with the driving assembly, the connecting rod 6 extends along the X direction, both ends of the connecting rod 6 are fixedly connected with the driving rod 5 and the moving rod 4 respectively, the screw rod 8 extends along the Y direction and is drivingly connected with the driving element 7, so that the screw rod 8 can rotate around the axis thereof, the movable rod 9 is in threaded transmission cooperation with the screw rod 8, and the driving rod 5 is located in the moving path of the movable rod 9.

[0044] When the driving member 7 works, the screw rod 8 rotates around its axis, the movable rod 9 moves along the Y direction, the movable rod 9 drives the driving rod 5 to move synchronously, and the moving rod 4 moves, in the process of moving, the movable magnetic member 3 rotates due to the cooperation of the pin shaft 31 and the sliding groove 41, so that the movable magnetic member 3 is in the state of being attracted or repelled by the fixed magnetic member 2.

[0045] In the embodiment, as shown in Figure 7 , the fixed magnetic member 2 has two and is arranged along the Z direction, and the X direction, the Y direction and the Z direction are perpendicular to each other; of course, the fixed magnetic member 2 can also have only one, as shown in Figure 8 .

[0046] The Y direction is the vertical direction or the front-back direction, when the Y direction is the vertical direction, the top of the electric appliance body A is open, when the Y direction is the front-back direction, the side of the electric appliance body A is open.

Claims

1. A door locking structure for a household appliance, characterized in that, The door lock structure comprises a shell (1) for being mounted on an electric appliance body (A); a fixed magnetic member (2) fixedly arranged in the shell (1); a movable magnetic member (3) movably arranged in the shell (1), the movable magnetic member (3) being capable of being moved to a state of being attracted to or repelled from the fixed magnetic member (2), and the movable magnetic member (3) and the fixed magnetic member (2) satisfying that, in the state of being attracted, magnetic lines do not pass through a door body (B) having magnetism, and in the state of being repelled, the magnetic lines pass through the door body (B) having magnetism; and a driving mechanism connected with the movable magnetic member (3) for driving. The movable magnetic member (3) is capable of rotating around an axis extending in a horizontal direction, the extending direction of the rotating axis is referred to as an X direction, and a direction perpendicular to the X direction is referred to as a Y direction, and the fixed magnetic member (2) and the movable magnetic member (3) are arranged in sequence along the Y direction. An end of the movable magnetic member (3) is provided with a pin shaft (31), the driving mechanism comprises a driving assembly and a moving rod (4) located beside the pin shaft (31) of the movable magnetic member (3), the moving rod (4) is connected with the driving assembly for driving to be capable of reciprocating along the Y direction, and the moving rod (4) is provided with a chute (41) extending and inclined along the Y direction, and the pin shaft (31) is inserted into the chute (41) and is capable of sliding along the chute (41). The driving assembly further comprises a driving rod (5) and a connecting rod (6), the driving rod (5) extends along the Y direction, and the two ends of the connecting rod (6) are fixedly connected with the driving rod (5) and the moving rod (4) respectively. The driving assembly further comprises a driving member (7), a screw rod (8) and a movable rod (9), the screw rod (8) extends along the Y direction and is connected with the driving member (7) for driving, so that the screw rod (8) is capable of rotating around its axis, the movable rod (9) is threadedly connected with the screw rod (8), and the driving rod (5) is located on a moving path of the movable rod (9).

2. The door lock structure according to claim 1, characterized by: The fixed magnetic member (2) has two and is arranged along a Z direction, and the X direction, the Y direction and the Z direction are perpendicular to each other, or the fixed magnetic member (2) has one.

3. The door lock structure according to claim 2, characterized by: The Y direction is a vertical direction or a front-rear direction.

4. The door lock structure according to claim 3, characterized by: The door lock structure comprises an electric appliance body (A), a door body (B) having magnetism and the door lock structure according to any one of claims 1 to 7, one side of the electric appliance body (A) is open, the door body (B) is capable of moving relative to the electric appliance body (A) to open and close the opening of the electric appliance body (A), the shell (1) is arranged on the electric appliance body (A), the movable magnetic member (3) and the fixed magnetic member (2) are arranged close to the opening of the electric appliance body (A), and the movable magnetic member (3) is closer to the opening of the electric appliance body (A) than the fixed magnetic member (2).

5. The door lock structure according to claim 4, characterized by: The household electric appliance is a cleaning machine for cleaning tableware and / or fruits and vegetables.

6. A door lock arrangement according to any one of claims 2 to 5, wherein: ​ 7. A door lock arrangement according to any one of claims 2 to 5, wherein: ​ 8. A domestic appliance characterized in that, ​ 9. The domestic appliance according to claim 8, characterized in that: ​

Images