Door lock assembly, door lock device and electric appliance

Abstract

The utility model belongs to the technical field of electric appliances, and discloses a door lock assembly, a door lock device and an electric appliance. The door lock assembly is used for being matched with a lock component on a machine door and comprises a lock seat and a door lock unit rotationally installed on the lock seat, the door lock unit can rotate relative to the lock seat in the first rotating direction so that the door lock unit can rotate from a locking position to an unlocking position, and the door lock unit can rotate from the unlocking position to the locking position in the second rotating direction; the first rotating direction is opposite to the second rotating direction; the door lock unit in the locking position can be pushed by the lock component to rotate to the unlocking position in the machine door closing process, a rotating limiting piece is arranged on the lock seat, and when the door lock unit is in the locking position, the rotating limiting piece abuts against the door lock unit so as to limit the door lock unit to rotate in the second rotating direction. According to the door lock assembly, the door lock device and the electric appliance, the locking reliability of the machine door can be guaranteed, and the use reliability of the electric appliance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical appliances, in particular to a door lock device and an electrical appliance. Background Art

[0002] Appliances such as steam ovens and dishwashers all consist of a main body and a door located on the front of the main body. The door can be opened or closed relative to the main body, thereby exposing or closing the internal space of the appliance. To ensure the stability of the door when closed, the main body is usually equipped with a door lock device, and the door is equipped with a lock component that cooperates with the door lock device. When the door is closed, the door lock device and the lock component cooperate to lock, preventing the door from being opened at will while the appliance is in operation.

[0003] In the prior art, the lock component usually adopts a mounting shaft arranged at the top of the machine door, and the door lock device is provided with a lock hook that cooperates with the mounting shaft, and the lock hook has a lock slot for inserting the mounting shaft. The lock hook is rotatably installed on the machine body through the mounting shaft so that the lock hook can switch between an initial rotation position and an unlocked rotation position. When the lock hook is in the initial rotation position, the notch of the lock slot is set to the left or right to limit the mounting shaft located in the lock slot from moving forward out of the lock slot; when the lock hook is in the unlocked rotation position, the notch of the lock slot is set to face forward so that the mounting shaft in the lock slot can move forward out of the lock slot to open the door.

[0004] In order to manually close the door, the front side of the lock hook is usually provided with a guide surface for guiding the installation shaft into the lock slot. When the user forcibly closes the door, the installation shaft contacts the guide surface and, due to the pressure of the guide surface, pushes the lock hook to rotate, so that the installation shaft can follow the guide surface and enter the lock slot, thus achieving the locking of the installation shaft and the lock hook. However, in the prior art, there is a problem that the notch of the lock hook slot deviates backward due to assembly errors of the door lock device or excessive rotation of the lock hook when rotating from the unlocked rotation position to the initial rotation position. As a result, when the door is closed, the contact position between the installation shaft and the lock hook may be located on the side of the guide surface away from the lock hook notch, making it impossible for the installation shaft to enter the lock slot, thereby preventing the door from closing smoothly. Utility Model Content

[0005] The purpose of the present utility model is to provide a door lock assembly, a door lock device and an electrical appliance, which can avoid the problem of over-rotation when the door lock unit is rotated from the unlocked position to the locked position, ensure the smoothness and reliability of the machine door closing, and improve the reliability of the door lock assembly, the door lock device and the electrical appliance.

[0006] To achieve this purpose, the present invention adopts the following technical solutions:

[0007] A door lock assembly, for cooperating with a lock component on a machine door, comprising a lock base and a door lock unit rotatably mounted on the lock base, wherein the door lock unit is rotatable relative to the lock base in a first rotational direction so as to rotate from a locked position in which the door lock unit can be locked with the lock component to an unlocked position in which the door lock unit can be unlocked from the lock component, and the door lock unit is rotatable from the unlocked position to the locked position in a second rotational direction, wherein the first rotational direction is opposite to the second rotational direction;

[0008] The door lock unit in the locked position can be pushed by the lock component to rotate to the unlocked position during the closing process of the machine door. A rotation limiter is provided on the lock seat. When the door lock unit is in the locked position, the rotation limiter abuts against the door lock unit to limit the door lock unit from rotating along the second rotation direction.

[0009] As an optional technical solution of a door lock assembly, the door lock unit includes a mounting shaft, a lock hook, and a driven member, the mounting shaft is rotatably mounted on the lock seat, the driven member and the lock hook are both fixedly mounted on the mounting shaft, the lock hook is used to cooperate with the lock component, and the driven member is used to cooperate with the door lock drive mechanism;

[0010] When the door lock unit is in the locking position, the rotation limiting member abuts against the driven member.

[0011] As an optional technical solution of a door lock assembly, the lock hook and the driven component are respectively located on opposite sides of the lock base, and the rotation limiting component is located on a side of the lock base away from the lock hook.

[0012] As an optional technical solution of the door lock assembly, in a projection plane perpendicular to the mounting axis, the projection of the driven member, the projection of the rotation limiter, and the projection of the lock hook are sequentially distributed along the second rotation direction, and the projection of the driven member rotates along the second rotation direction to partially overlap with the projection of the lock hook at an angle greater than 90° and less than 180°;

[0013] And / or, the outer contour surface of the driven part has an abutment portion for abutting against the rotation limit member, and the rotation limit member has a limiting portion that abuts and cooperates with the abutment portion. When the door lock unit is in the unlocked position, in the projection plane perpendicular to the installation axis, the angle between the line between the abutment portion and the center of the installation axis and the line between the limiting portion and the center of the installation axis is less than or equal to 90°.

[0014] As an optional technical solution for a door lock assembly, the driven part is connected to a hinge shaft, which is parallel to and spaced apart from the mounting shaft. The hinge shaft is used to be hinged to the door lock drive mechanism so that the door lock drive mechanism pushes the driven part to rotate through the hinge shaft, thereby rotating the door lock unit from the locked position to the unlocked position.

[0015] As an optional technical solution for a door lock assembly, the rotation limiter includes a first plate portion and a second plate portion connected at an angle, the first plate portion is opposite to the mounting axis and is spaced apart, the second plate portion is connected to the side of the first plate portion away from the driven part and is located on the front side of the first plate portion along the first rotation direction, the first plate portion and the second plate portion are connected by a smooth transition of a circular arc transition portion, and when the door lock unit is in the locked position, the driven part abuts against the circular arc transition portion.

[0016] As an optional technical solution of the door lock assembly, the outer contour surface of the driven member has an abutment portion for abutting the rotation limiting member, the rotation limiting member has a limiting portion that abuts and cooperates with the abutment portion, the outer contour surface of the driven member includes an arc surface, the arc surface extends from the abutment portion along the second rotation direction, and the distance between the arc surface and the axis of the mounting shaft is smaller than the distance between the limiting portion and the axis of the mounting shaft;

[0017] And / or, the outer contour surface of the driven part has an abutment portion for abutting with the rotation limiter, the outer contour surface of the driven part includes a limiting surface, the limiting surface extends from the abutment portion along the first rotation direction, and the distance between the limiting surface and the axis of the mounting shaft gradually increases from the abutment portion along the first rotation direction.

[0018] As an optional technical solution of a door lock assembly, the rotation limiter is integrally formed or welded with the lock seat;

[0019] And / or, the rotation limiting member is protruding from a side surface of the lock seat.

[0020] A door lock device, comprising the door lock assembly as described above, further comprising:

[0021] a door lock driving mechanism, wherein the door lock driving mechanism drives the door lock unit to rotate so that the door lock unit switches from the locked position to the unlocked position, and the door lock unit in the locked position can rotate to the unlocked position under the backward pressure of the lock component;

[0022] A restoring member is used to apply a restoring force to the door lock unit so as to keep or restore the door lock unit to the locked position.

[0023] An electrical appliance comprises a body and a door movably mounted on the body, the door being provided with a lock component, and further comprising a door lock device as described above, the door lock device being mounted on the body, and when the door is flipped closed, the door lock unit in the locked position can be rotated to the unlocked position along the first rotation direction under the backward pushing action of the lock component, so that the lock component enters the interior of the door lock unit, and the door lock unit in the unlocked position can be restored to the locked position under the action of the reset member to lock with the lock component, and when the door lock unit is in the unlocked position, the lock component can be disengaged from the door lock unit forward.

[0024] Beneficial effects of the utility model:

[0025] The door lock assembly provided by the present invention can limit the door lock unit from rotating beyond the locking position along the second rotation direction by arranging a rotation limiter on the lock seat, thereby avoiding the door lock unit from rotating too far and causing the contact position between the lock component and the door lock unit to be a non-preset position during the closing process of the machine door, which in turn causes the lock component to be unable to lock with the door lock unit, resulting in the machine door being unable to be closed. The door lock unit can be stably maintained in the locking position when there is no external force, thereby ensuring the reliability of the machine door closing.

[0026] The door lock device provided by the utility model can improve the reliability of the door lock device by adopting the above-mentioned door lock assembly.

[0027] The electrical appliance provided by the utility model can improve the smoothness and reliability of closing the door by adopting the door lock device. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a partial structural diagram of an electrical appliance provided by an embodiment of the present utility model;

[0029] Figure 2 yes Figure 1 A partial enlarged view of point I in the middle;

[0030] Figure 3 This is a structural schematic diagram of the door lock device provided by an embodiment of the present utility model when the door lock unit is in the locked position;

[0031] Figure 4 1 is a schematic structural diagram of the door lock device provided by an embodiment of the present invention when the door lock unit is in the unlocked position;

[0032] Figure 5 This is a structural schematic diagram of the door lock assembly provided by an embodiment of the present utility model when the door lock unit is in the locked position;

[0033] Figure 6This is a top view of the door lock assembly provided by an embodiment of the present invention when the door lock unit is in a locked position;

[0034] Figure 7 It is a top view of the door lock assembly provided by an embodiment of the present invention when the door lock unit is in the unlocked position.

[0035] In the picture:

[0036] 100, door lock device; 200, lock component; 300, control panel; 301, panel bracket; 400, machine door;

[0037] 1. Door lock assembly; 11. Door lock unit; 111. Mounting shaft; 1111. Screw portion; 1112. Optical axis portion; 112. Lock hook; 1121. Lock groove; 1122. Guide surface; 113. Driven member; 1131. Main plate portion; 1132. Edge portion; 1133. Arc surface; 1134. Limiting surface; 114. First nut; 115. Second nut; 12. Lock seat; 13. Rotation limiting member; 131. First plate portion; 132. Second plate portion; 133. Arc transition portion; 134. Reinforcement portion;

[0038] 2. Door lock drive mechanism; 21. Drive assembly; 211. Drive motor; 212. Cam; 22. Connecting rod; 23. Slider;

[0039] 3. Reset part; 4. Articulated shaft. DETAILED DESCRIPTION

[0040] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all of its components.

[0041] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0042] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0043] In the description of this embodiment, the terms "upper," "lower," "right," and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for ease of description and simplified operation. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0044] like Figure 1 and Figure 2 As shown, this embodiment provides an electrical appliance comprising a body and a door 400. The body includes an inner container with an opening on the front side. The door 400 is movably mounted on the front side of the body and can open or close the front opening of the inner container. The appliance also includes a door lock device 100 and a lock component 200. The door lock device 100 is mounted on the body, and the lock component 200 is mounted on the door 400. When the door 400 closes the front opening of the inner container, the door lock device 100 cooperates with the lock component 200 to securely lock the door 400 and the body, thereby ensuring the reliability of the appliance.

[0045] It is worth noting that the electrical appliance can be a cooking device such as a steamer, an oven, or a steam-bake combination machine, or it can be other types of electrical appliances such as a dishwasher. The present utility model does not limit the type of electrical appliance.

[0046] In this embodiment, the lower end of the machine door 400 is hinged to the machine body through a hinge mechanism, that is, the upper end of the machine door 400 can be flipped outward relative to the machine body to open the front opening of the inner tank. That is, in this embodiment, the lock component 200 is arranged at the top of the machine door 400, and the door lock device 100 is installed on the top of the machine body and is located above the inner tank.

[0047] In other embodiments, the machine door 400 can be hinged to the machine body on one side or the other. In this setting, the lock component 200 is installed on the side of the machine door 400 away from its rotation axis, and the installation position of the door lock device 100 is specifically set according to the position of the lock component 200.

[0048] In this embodiment, a door lock device 100 includes a door lock assembly 1, a door lock drive mechanism 2, and a reset member 3. The door lock assembly 1 includes a lock base 12 and a door lock unit 11 rotatably mounted on the lock base 12. The lock base 12 is mounted on the housing. The door lock unit 11 can rotate relative to the lock base 12 in a first rotational direction to switch the door lock unit 11 from a locked position, in which it can be locked with the lock component 200, to an unlocked position, in which it can be unlocked from the lock component 200. The door lock unit 11 can also rotate from the unlocked position to the locked position in a second rotational direction, the first rotational direction being opposite to the second rotational direction. The door lock drive mechanism 2 drives the door lock unit 11 to rotate from the locked position to the unlocked position. The reset member 3 is used to apply a restoring force to the door lock unit 11 to maintain or return the door lock unit 11 to the locked position.

[0049] Furthermore, when the machine door 400 is flipped closed, the door lock unit 11 in the locked position can be rotated to the unlocked position along the first rotation direction under the backward pushing action of the lock component 200, so that the lock component 200 enters the interior of the door lock unit 11, and the door lock unit 11 in the unlocked position can be restored to the unlocked position under the action of the reset member 3 to lock with the lock component 200. When the door lock unit 11 is in the unlocked position, the lock component 200 located inside the door lock unit 11 can escape forward from the door lock unit 11.

[0050] That is, in this embodiment, when the appliance is in a state where the door 400 is closed, the door lock unit 11 is maintained in the locked position locked with the lock component 200 under the action of the reset member 3, so as to prevent the door 400 from being opened at will and affecting the normal operation of the appliance; when the door needs to be opened, the user sends a door opening command to the appliance, the door lock drive mechanism 2 is operated, and the door lock unit 11 is rotated from the locked position to the unlocked position, so that the lock component 200 can be disengaged from the door lock unit 11 forward to achieve unlocking of the lock component 200 and the door lock unit 11, thereby achieving opening of the door 400; when the door 400 is opened, the door lock unit 11 is reset When the door 400 is closed completely, the door lock unit 11 returns to the locked position under the action of the elastic force of the reset member 3, so as to realize the locking of the lock component 200 and the door lock unit 11, thereby ensuring the closing reliability of the door 400.

[0051] like Figures 2 to 7As shown, in order to prevent the door lock unit 11 from rotating too far and passing the locked position when rotating from the unlocked position to the locked position, resulting in the lock component 200 being unable to push the door lock unit 11 to rotate to the unlocked position during the closing process of the machine door 400, in this embodiment, a rotation limiter 13 is provided on the lock seat 12. When the door lock unit 11 is in the locked position, the rotation limiter 13 abuts against the door lock unit 11 to limit the door lock unit 11 from rotating about the second rotation direction.

[0052] That is, the door lock assembly 1, door lock device 100 and electrical appliance provided in this embodiment can limit the door lock unit 11 from rotating in the second rotation direction beyond the locking position by setting a rotation limiter 13 on the lock seat 12, thereby avoiding the door lock unit 11 from rotating too much and causing the contact position between the lock component 200 and the door lock unit 11 to be a non-preset position during the closing process of the machine door 400, thereby causing the lock component 200 to be unable to lock with the door lock unit 11 and causing the machine door 400 to be unable to close. This allows the door lock unit 11 to be stably maintained in the locking position when there is no external force, thereby ensuring the reliability of the closing of the machine door 400.

[0053] It is worth noting that in this embodiment, the hinge mechanism constantly applies an elastic force to the closed door 400, causing the door 400 to flip outward relative to the appliance body. Consequently, when the door lock unit 11 is unlocked from the lock component 200, the door 400 automatically flips outward under the elastic force of the hinge mechanism, achieving automatic opening of the door 400. This improves the convenience of opening the appliance door and enhances the convenience and user experience of the appliance. In other embodiments, the door 400 may only be opened manually by the user.

[0054] To improve the installation convenience of the door lock unit 11, in this embodiment, the door lock unit 11 includes a mounting shaft 111, a lock hook 112, and a driven member 113. The mounting shaft 111 is rotatably mounted on the lock base 12. The driven member 113 and the lock hook 112 are both fixedly mounted on the mounting shaft 111. The lock hook 112 is used to cooperate with the lock component 200, and the driven member 113 is in transmission connection with the door lock drive mechanism 2. This structure of the door lock unit 11 facilitates the door lock unit 11 to pass through the body from the inside to the outside to cooperate with the lock component 200, and reduces the space required for the door lock unit 11 to rotate, thereby improving the structural compactness of the door lock assembly 1 and reducing the space required for the door lock device 100 to be installed inside the body.

[0055] The lock hook 112 has a lock slot 1121. When the door lock unit 11 is in the unlocked position, the notch of the lock slot 1121 faces forward, so that the lock component 200 can move in and out of the lock slot 1121 along the front and rear directions, so that the machine door 400 can be opened relative to the machine body. When the door lock unit 11 is in the locked position, the notch of the lock slot 1121 faces left and right to limit the lock component 200 from moving forward and out of the lock slot 1121.

[0056] Furthermore, a guide surface 1122 is formed on the front side surface of the lock hook 112, and the guide surface 1122 is located on the front side of the lock slot 1121 and extends forward from the notch of the lock slot 1121 in a direction away from the notch of the lock slot 1121. When the user closes the door and the lock hook 112 is in the locked position, the lock component 200 first contacts the guide surface 1122. During the process of the user closing the door, the lock component 200 pushes the guide surface 1122 from front to back, causing the lock hook 112 to rotate in the direction toward the unlocked position, thereby guiding the lock component 200 to enter the lock slot 1121 of the lock hook 112.

[0057] Specifically, in this embodiment, the mounting shaft 111 is vertically arranged and passes through the body so that the upper end of the mounting shaft 111 is located inside the body and the lower end extends outside the body and cooperates with the lock component 200. The mounting shaft 111 can be arranged vertically or tilted forward from top to bottom.

[0058] In other embodiments, the door lock unit 11 extends from front to back and is connected to the body, the front end of the door lock unit 11 cooperates with the lock component 200, and the rear end of the door lock unit 11 is rotatably connected to the lock seat 12.

[0059] Specifically, the housing also includes a casing and a front frame. The casing wraps around the outside of the inner container and forms the exterior of the housing. The front frame surrounds the front of the inner container and has its upper end higher than the inner container. The front of the inner container and the front of the casing are both fastened to the front frame. A top support plate is provided on the top of the inner container. A control panel 300 is mounted on the top of the front frame. The control panel 300, the top support plate, and the casing form a top mounting cavity. The door lock drive mechanism 2 is mounted in the top mounting cavity. The mounting shaft 111 extends through the bottom of the top mounting cavity. The driven component 113 is located in the top mounting cavity to connect with the door lock drive mechanism 2, and the lock hook 112 extends outside the top mounting cavity to cooperate with the lock component 200.

[0060] It is understandable that the structures of the casing, inner tank, top support plate, door 400, control panel 300 and the hinge mechanism can be specifically set with reference to the existing technology. This is not the focus of the present invention and will not be repeated here.

[0061] In this embodiment, when the door lock unit 11 is in the locked position, the rotation limiter 13 abuts against the driven member 113. Since the driven member 113 is mounted on the shaft 111 and is adjacent to the door lock drive mechanism 2, the size of the driven member 113 is larger than the size of the mounting shaft 111. By setting the rotation limiter 13 to abut against the driven member 113 to achieve the limitation of the door lock unit 11 in the locked position, the distance between the rotation limiter 13 and the rotation axis of the door lock unit 11 can be increased through the structural setting of the driven member 113, which is conducive to the setting of the structure of the rotation limiter 13 and the matching structure of the rotation limiter 13 and the driven member 113, thereby improving the design flexibility of the door lock assembly 1 and reducing the size requirements of the mounting shaft 111 and the lock hook 112. At the same time, it avoids the problem of wear on the mounting shaft 111 or the lock hook 112 caused by the abutment of the rotation limiter 13 with the mounting seat or the lock hook 112, which in turn reduces the reliability of the door lock unit 11.

[0062] In another embodiment, the rotation limiter 13 may also abut against the mounting shaft 111 or the lock hook 112 to limit the door lock unit 11. In another embodiment, a limiting mating member may be provided on the mounting shaft 111, and the limiting mating member is used to abut against the rotation limiter 13 to limit the door lock unit 11.

[0063] Furthermore, the lock hook 112 and the driven component 113 are located on opposite sides of the lock base 12, and the rotation limiter 13 is located on the side of the lock base 12 facing away from the lock hook 112. Disposing the lock hook 112 and the driven component 113 on either side of the lock base 12 facilitates the connection between the driven component 113 and the door lock drive mechanism 2 and reduces the probability of interference between the driven component 113 and the lock base 12 and the lock hook 112. This arrangement also facilitates the installation of the lock base 12 on the door body. In another embodiment, the lock hook 112 and the driven component 113 may be located on the same side of the lock base 12.

[0064] Specifically, in this embodiment, the lock base 12 is installed in the top mounting cavity, the rotation limiter 13 is disposed on the upper side of the lock base 12, the driven member 113 is disposed on the upper side of the lock base 12, and the lock hook 112 is located below the lock base 12. Furthermore, in this embodiment, the lock base 12 is mounted on the panel bracket 301 of the control panel 300, and the mounting shaft 111 passes through the panel bracket 301.

[0065] In this embodiment, the front end of the driven member 113 is mounted on the mounting shaft 111, and the driven member 113 extends rearward relative to the mounting shaft 111. The rear end of the lock hook 112 is mounted on the mounting shaft 111, and the front end of the lock hook 112 has the aforementioned guide surface 1122. This facilitates the forward positioning of the front end of the lock hook 112, thereby facilitating the engagement of the lock hook 112 with the front lock component 200. Simultaneously, the driven member 113 extends rearward from the mounting shaft 111, thereby preventing interference between the driven member 113 and the control panel 300 on the front side of the lock base 12, facilitating the connection between the driven member 113 and the door lock drive mechanism 2, and providing sufficient space for the rotation of the driven member 113.

[0066] In a projection plane perpendicular to the mounting axis 111, the projections of the driven member 113, the rotation limiter 13, and the lock hook 112 are sequentially distributed along the second rotational direction. The projection of the driven member 113 rotates along the second rotational direction until the angle of overlap with the projection of the lock hook 112 is greater than 90° and less than 1800°. This arrangement can improve the force balance of the door lock unit 11 during operation, thereby increasing the service life and reliability of the door lock unit 11.

[0067] The outer contour surface of the driven part 113 has an abutment portion A for abutting with the rotation limit member 13, and the rotation limit member 13 has a limiting portion B that abuts with the abutment portion A. When the door lock unit 11 is in the unlocked position, in the projection plane perpendicular to the installation, the line between the abutment portion A and the center O of the installation axis 111 is AO, and the line between the limiting component and the center O of the installation axis 111 is BO. The angle between AO and BO is less than or equal to 90°, that is, when the door lock unit 11 rotates from the unlocked position to the locked position, the rotation angle of the door lock unit 11 is less than or equal to 90°, so as to improve the response speed of the door lock unit 11 and improve the door opening and closing experience.

[0068] Furthermore, the door lock drive mechanism 2 is hinged to the driven member 113 via the hinge shaft 4, so that the door lock drive mechanism 2 pushes the driven member 113 to rotate, thereby rotating the door lock unit 11. The hinge shaft 4 is parallel to and spaced from the rear side of the mounting shaft 111.

[0069] In a projection plane perpendicular to the mounting axis 111, the center of the hinge axis 4 is P, and the line connecting the center of the hinge axis 4 and the center of the mounting axis is OP. When the door lock unit 11 is in the locked position, the angle between OP and OB is acute; when the door lock unit 11 is in the unlocked position, the angle between OP and OB is obtuse. That is, when the door lock unit 111 rotates in the first rotational direction, the front end of the driven component 113 rotates toward the rotation stopper 13, while the rear end of the driven component 113 rotates away from the rotation stopper 13.

[0070] To prevent the provision of the rotation limiter from affecting the rotation of the door lock unit 11 from the locked position to the unlocked position, in this embodiment, the outer contour surface of the driven member 113 includes an arcuate surface 1133. The arcuate surface 1133 extends from the abutment portion A along the second rotational direction, and the spacing between the arcuate surface 1133 and the axis of the mounting shaft 111 is smaller than the spacing between the limiter and the axis of the mounting shaft 111. By providing the arcuate surface 1133, and by ensuring that the spacing between the arcuate surface 1133 and the axis of the mounting shaft 111 is smaller than the spacing between the limiter and the axis of the mounting shaft 111, it is possible to prevent the driven member 113 from contacting the rotation limiter 13 when the door lock unit 11 rotates from the locked position to the unlocked position, thereby preventing the smooth rotation of the door lock unit 11 from being affected.

[0071] The outer contour surface of the driven part 113 also includes a limiting surface 1134, which extends from the abutment part A along the first rotation direction. The distance between the limiting surface 1134 and the axis of the mounting shaft 111 gradually increases from the abutment part A along the first rotation direction. Therefore, when the door lock unit 11 rotates along the second rotation direction until the driven part 113 abuts against the rotation limiting part 13, the driven part 113 is restricted from passing over the rotation limiting part 13 due to the restriction of the limiting surface 1134, which can further improve the limiting reliability of the rotation limiting part 13 on the driven part 113.

[0072] In this embodiment, the outer contour of the driven member 113 includes an arc surface 1133, two side surfaces connected to both ends of the arc surface 1133 and spaced apart and parallel to each other, and a rear end surface connected between the other ends of the two side surfaces. The side surface close to the rotation stopper 13 forms a limiting surface 1134. This simplifies the structure of the driven member 113.

[0073] Furthermore, the arc surface 1133 and the two side surfaces are arranged parallel and symmetrically relative to the installation axis 111 and the hinge axis 4 to further simplify the structure of the driven component 113 .

[0074] The driven component 113 comprises a main plate portion 1131 and a peripheral edge portion 1132 extending around the main plate portion 1131. This increases the overall structural strength and rigidity of the driven component 113, reducing the likelihood of deformation or damage. The mounting shaft 111 and the hinge shaft 4 are both connected to the main plate portion 1131 and are perpendicular to it. The circumferential side surfaces of the main plate portion 1131 and the peripheral edge portion 1132 cooperate to form the outer contour of the driven component 113.

[0075] Furthermore, the main board portion 1131 includes two parallel and spaced-apart side portions, an arc transition portion 133 connected between one end of the two first side portions, and a second side portion connected between the other ends of the two first side portions, and the surrounding edge portion 1132 is surrounded by the first side portion and the second side portion.

[0076] In this embodiment, the rotation limiter 13 is protruded from one side of the lock base 12 to simplify the arrangement of the rotation limiter 13. In this embodiment, the rotation limiter 13 and the lock base 12 are integrally formed to ensure the structural strength and rigidity of the rotation limiter 13, to prevent the rotation limiter 13 from breaking at the connection between the rotation limiter 13 and the lock base 12 after repeated collisions with the driven component 113, and to improve the safety and reliability of the door lock assembly 1. In other embodiments, the rotation limiter 13 can also be welded to the lock base 12 or be detachably connected. Furthermore, the rotation limiter 13 includes a first plate portion 131 and a second plate portion 132 arranged at an angle, the second plate portion 132 being located on a side of the first plate portion 131 away from the mounting shaft 111, and the second plate portion 132 being located on the front side of the first plate portion 131 along the first rotation direction, and the first plate portion 131 and the second plate portion 132 being connected by a circular arc transition portion 133. When the driven member 113 contacts the rotation limiting member 13, the driven member 113 contacts the arc transition portion 133. This can reduce the wear of the driven member 113 caused by the rotation limiting member 13 when the rotation limiting member 13 contacts the driven member 113.

[0077] Preferably, the first plate portion 131 and the second plate portion 132 are perpendicularly connected to prevent the second plate portion 132 from contacting the driven component 113. In other embodiments, the angle between the first plate portion 131 and the second plate portion 132 can be 60° to 150°, as long as the second plate portion 132 does not abut the first plate portion 131 during rotation of the door lock unit 11. Furthermore, in this embodiment, the first plate portion 131 is perpendicular to the left-right direction.

[0078] Furthermore, a reinforcement portion 134 is connected to the other end of the first plate portion 131. The reinforcement portion 134 and the second plate portion 132 are located on the same side of the first plate portion 131, thereby forming a U-shaped structure of the rotation limiter 13. The reinforcement portion 134 can enhance the overall structural strength and rigidity of the rotation limiter 13, reducing the probability of deformation or breakage of the rotation limiter 13.

[0079] In this embodiment, the mounting shaft 111 includes a coaxially connected screw portion 1111 and an optical axis portion 1112, the optical axis portion 1112 rotates through the lock seat 12 and is connected to the lock hook 112 at one end away from the screw portion 1111; a first nut 114 and a second nut 115 are threaded on the screw portion 1111, the first nut 114 is located between the driven part 113 and the lock seat 12, and the driven part 113 is clamped between the first nut 114 and the second nut 115 to ensure the assembly accuracy of the driven part 113 and the mounting shaft 111 in the axial position.

[0080] Furthermore, an axis connecting hole is opened on the driven part 113, and the cross section of the screw portion 1111 is a D-shaped cross section. The shape of the axis connecting hole is the same as the shape of the screw portion 1111 to prevent the driven part 113 from rotating relative to the installation shaft 111, so that the rotation of the driven part 113 can reliably drive the installation shaft 111 to rotate synchronously.

[0081] In this embodiment, the door lock drive mechanism 2 includes a drive assembly 21, a slider 23, and a connecting rod 22. The drive assembly 21 drives the slider 23 to slide in a predetermined direction. The first end of the connecting rod 22 is connected to the slider 23, and the second end of the connecting rod 22 is hinged to the driven component 113 via the hinge shaft 4. The sliding of the slider 23 drives the connecting rod 22 to move, thereby pushing the door lock unit 11 to rotate about its axis. This arrangement can increase the flexibility of the positioning of the drive assembly 21, thereby improving the installation convenience of the door lock drive mechanism 2. In this embodiment, the slider 23 slides in the left-right direction, the connecting rod 22 is arranged roughly in the left-right direction, and the drive assembly 21 is installed on one side of the top space in the left-right direction.

[0082] In this embodiment, the drive assembly 21 includes a drive motor 211 and a cam 212. The motor shaft of the drive motor 211 is connected to the cam 212 to drive the cam 212 to rotate, thereby causing the cam 212 to push the slider 23 to slide. In other embodiments, the drive assembly 21 can also be other structures that can achieve linear motion of the slider 23.

[0083] However, it can be understood that in other embodiments, the door lock drive mechanism 2 can also adopt other structural forms, as long as the door lock drive mechanism 2 can ensure that the door lock unit 11 can rotate around its axis. The present invention does not limit the specific structure of the door lock drive mechanism 2 and its installation structure in the top space.

[0084] Obviously, the above-described embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the manner in which the present invention is to be implemented. A person skilled in the art would be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A door lock assembly for cooperating with a lock component (200) on a machine door (400), characterized in that: The invention comprises a lock seat (12) and a door lock unit (11) rotatably mounted on the lock seat (12); the door lock unit (11) can rotate relative to the lock seat (12) along a first rotation direction so that the door lock unit (11) rotates from a locked position capable of being locked with a lock component (200) to an unlocked position capable of being unlocked with the lock component (200); and the door lock unit (11) can rotate from the unlocked position to the locked position along a second rotation direction, wherein the first rotation direction is opposite to the second rotation direction; The door lock unit (11) in the locked position can be pushed by the lock component (200) to rotate to the unlocked position during the closing process of the machine door (400), and a rotation limiter (13) is provided on the lock seat (12). When the door lock unit (11) is in the locked position, the rotation limiter (13) abuts against the door lock unit (11) to limit the door lock unit (11) from rotating along the second rotation direction.

2. The door lock assembly according to claim 1, wherein: The door lock unit (11) comprises a mounting shaft (111), a lock hook (112) and a driven member (113); the mounting shaft (111) is rotatably mounted on the lock seat (12); the driven member (113) and the lock hook (112) are both fixedly mounted on the mounting shaft (111); the lock hook (112) is used to cooperate with the lock component (200); and the driven member (113) is used to cooperate with the door lock driving mechanism (2); When the door lock unit (11) is in the locked position, the rotation limiting member (13) abuts against the driven member (113).

3. The door lock assembly according to claim 2, wherein: The lock hook (112) and the driven component (113) are respectively located on opposite sides of the lock seat (12), and the rotation limiting component (13) is located on a side of the lock seat (12) away from the lock hook (112).

4. The door lock assembly according to claim 2, wherein: In a projection plane perpendicular to the installation axis (111), the projection of the driven part (113), the projection of the rotation limiting part (13), and the projection of the lock hook (112) are sequentially distributed along the second rotation direction, and the projection of the driven part (113) rotates along the second rotation direction until the angle at which the projection overlaps with the projection of the lock hook (112) is greater than 90° and less than 180°; And / or, the outer contour surface of the driven part (113) has an abutting portion for abutting against the rotation limiting part (13), and the rotation limiting part (13) has a limiting portion abutting and cooperating with the abutting portion, and when the door lock unit (11) is in the unlocked position, in a projection plane perpendicular to the installation axis (111), the angle between the line between the abutting portion and the center of the installation axis (111) and the line between the limiting portion and the center of the installation axis (111) is less than or equal to 90°.

5. The door lock assembly according to claim 4, characterized in that The driven part (113) is connected to a hinge shaft (4), the hinge shaft (4) is parallel to the installation shaft (111) and is spaced apart, and the hinge shaft (4) is used to be hinged to the door lock driving mechanism (2), so that the door lock driving mechanism (2) pushes the driven part (113) to rotate through the hinge shaft (4), thereby rotating the door lock unit (11) from the locked position to the unlocked position.

6. The door lock assembly according to claim 2, wherein: The rotation limiting member (13) comprises a first plate portion (131) and a second plate portion (132) connected at an angle, the first plate portion (131) being opposite to and spaced from the mounting shaft (111), the second plate portion (132) being connected to a side of the first plate portion (131) away from the driven member (113) and being located on the front side of the first plate portion (131) along the first rotation direction, the first plate portion (131) and the second plate portion (132) being smoothly connected by a circular arc transition portion (133), and when the door lock unit (11) is in the locked position, the driven member (113) abuts against the circular arc transition portion (133).

7. The door lock assembly according to claim 2, wherein: The outer contour surface of the driven part (113) has an abutting portion for abutting the rotation limiting part (13), and the rotation limiting part (13) has a limiting portion abutting and cooperating with the abutting portion. The outer contour surface of the driven part (113) includes an arc surface (1133), and the arc surface (1133) extends from the abutting portion along the second rotation direction. The distance between the arc surface (1133) and the axis of the installation shaft (111) is smaller than the distance between the limiting portion and the axis of the installation shaft (111). And / or, the outer contour surface of the driven part (113) has an abutting portion for abutting against the rotation limiting part (13), the outer contour surface of the driven part (113) includes a limiting surface (1134), the limiting surface (1134) extends from the abutting portion along the first rotation direction, and the distance between the limiting surface (1134) and the axis of the mounting shaft (111) gradually increases from the abutting portion along the first rotation direction.

8. The door lock assembly according to any one of claims 1 to 7, characterized in that: The rotation limiting member (13) and the lock seat (12) are integrally formed or welded; And / or, the rotation limiting member (13) is protruding from a side surface of the lock seat (12).

9. A door lock device (100), characterized in that: The door lock assembly according to any one of claims 1 to 8, wherein the door lock device (100) further comprises: A door lock drive mechanism (2), wherein the door lock drive mechanism (2) drives the door lock unit (11) to rotate so that the door lock unit (11) switches from the locked position to the unlocked position, and the door lock unit (11) in the locked position can rotate to the unlocked position under the backward pressing action of the lock component (200); A restoring member (3) is used to apply a restoring force to the door lock unit (11) so as to maintain or restore the door lock unit (11) to the locked position.

10. An electrical appliance comprising a body and a door (400) movably mounted on the body, wherein the door (400) is provided with a lock component (200), characterized in that: It also includes a door lock device (100) as described in claim 9, wherein the door lock device (100) is installed on the machine body, and when the machine door (400) is flipped closed, the door lock unit (11) in the locked position can be rotated to the unlocked position along the first rotation direction under the backward push of the lock component (200), so that the lock component (200) enters the interior of the door lock unit (11), and the door lock unit (11) in the unlocked position can be restored to the locked position under the action of the reset member (3) to lock with the lock component (200), and when the door lock unit (11) is in the unlocked position, the lock component (200) can be disengaged from the door lock unit (11) forward.

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