Lock assembly, electrical appliance, door body of electrical appliance and cabinet body

Abstract

The present application relates to the technical field of life electric appliances, and provides a lock assembly, an electric appliance, a door body of the electric appliance and a cabinet body. The lock assembly comprises a lock bolt, a lock hook, a driving component and a limiting component. The driving component is used for driving the lock bolt to switch from a first locking position to a second locking position. In the first locking position and the second locking position, the lock hook is locked with the lock bolt. The limiting component is adapted to limit the lock bolt in the second locking position. The lock bolt is adapted to be driven by an external force to switch from the second locking position to an unlocking position. In the unlocking position, the lock hook is unlocked with the lock bolt. The second locking position is located between the first locking position and the unlocking position. The lock assembly provided by the present application limits the lock bolt by the limiting component in the process of unlocking the lock bolt and the lock hook, solves the problem that the door body is bounced open to affect the user experience, and the door opening process is more stable.

Description

Technical Field

[0001] The present invention relates to the technical field of household electrical appliances, and in particular to a lock assembly, an electrical appliance, and a door and a cabinet of the electrical appliance. Background Art

[0002] Electrical appliances such as refrigerators, freezers, microwave ovens, and dishwashers include a cabinet body and a door body connected to the cabinet body that can be opened and closed. The door body and the cabinet body can be fixed together by a lock assembly to ensure the stability of the connection between the door body and the cabinet body.

[0003] Taking a refrigerator with a main door and a secondary door as an example, in order to meet the appearance and usage requirements, a lock assembly is set between the secondary door and the main door, and the door body is designed to be relatively thin. In order to enhance the heat preservation effect of the refrigerator, a door seal with a more obvious heat insulation effect needs to be set between the door body and the box body. Therefore, the door seal has a greater thrust on the outer door, and a more stable lock structure is required to ensure that the door body of the refrigerator is locked and does not detach by itself.

[0004] In related technologies, refrigerator lock assemblies can be mechanically unlocked by pressing the outer door. However, the pressing stroke must exceed the unlocking stroke, making the unlocking operation inconvenient, labor-intensive, and time-consuming. Other technologies use electronically controlled unlocking to actuate the lock assembly. However, this electronically controlled actuation can cause the outer door to spring open quickly, potentially injuring an unprepared user and resulting in a poor user experience. Summary of the Invention

[0005] The present invention aims to solve at least one of the technical problems existing in the related art. To this end, the present invention provides a lock assembly in which a limiting component limits the lock bolt during the unlocking process of the lock bolt and the lock hook, thereby solving the problem of the door body being ejected and affecting the user experience, and making the door opening process smoother.

[0006] The present invention also provides an electrical device.

[0007] The present invention also provides a cabinet or door for electrical equipment.

[0008] A lock assembly according to an embodiment of the first aspect of the present invention comprises:

[0009] Lock bolts and shackles;

[0010] a driving component for driving the locking bolt to switch from a first locking position to a second locking position, wherein the locking hook and the locking bolt are locked in the first locking position and the second locking position;

[0011] a limiting component, adapted to limit the locking bolt to the second locking position;

[0012] The locking bolt is adapted to be driven by an external force to switch from the second locking position to an unlocking position, wherein the locking hook is unlocked from the locking bolt in the unlocking position;

[0013] Wherein, the second locking position is located between the first locking position and the unlocking position.

[0014] According to an embodiment of the present invention, the lock assembly includes a lock bolt, a lock hook, a driving component and a limiting component. By arranging the limiting component on the movement path of the lock bolt, during the unlocking process of the lock bolt and the lock hook, the limiting component limits the lock bolt, thereby restricting the door opening process and solving the problem of the door body being bounced open and affecting the user experience. The user can open the door by pulling or pressing the door body, and the door opening process is smoother and the door opening experience is better.

[0015] According to one embodiment of the present invention, the limiting component is suitable for generating elastic deformation, the locking bolt is suitable for overcoming the elastic resistance of the limiting component, and / or the limiting component releases the limitation on the locking bolt through rotational movement or telescopic movement, so that the locking bolt switches between the second locking position and the unlocking position.

[0016] According to one embodiment of the present invention, the limiting component includes a limiting member and an elastic member connected to the limiting member. In the second locking position, the locking bolt contacts the limiting member for limiting position; the elastic member is suitable for generating elastic deformation to move the limiting member, so that the locking bolt overcomes the limiting force of the limiting member and moves to the unlocking position.

[0017] According to one embodiment of the present invention, a shell is further included, one end of the elastic member is fixedly connected to the shell, the other end of the elastic member is in elastic contact with the limiting member, and the limiting member, the locking bolt and the driving member are all located in the shell.

[0018] According to one embodiment of the present invention, the elastic member includes a connecting portion and a spring portion connected to the connecting portion, the connecting portion is configured with a mounting groove, the connecting portion is plugged into at least one side wall of the shell through the mounting groove, and the spring portion abuts against the limiting member.

[0019] According to an embodiment of the present invention, the end of the connecting portion facing away from the elastic sheet portion is provided with a folded edge, the housing is provided with a positioning groove, and the folded edge is inserted into the positioning groove.

[0020] According to one embodiment of the present invention, the limiting member includes a rotating part and a limiting part connected to the rotating part, the limiting part is in contact with the elastic member, the rotating part is rotatably connected to the shell, and the rotating part remains fixed in the first locking position, the second locking position and the unlocking position. Between the second locking position and the unlocking position, the rotating part is suitable for rotating relative to the shell in a direction to release the limit on the lock bolt and cause the elastic member to produce elastic deformation.

[0021] According to an embodiment of the present invention, between the second locking position and the unlocking position, the limiting portion is in linear contact with the locking bolt.

[0022] According to one embodiment of the present invention, the limiting portion is provided with a limiting surface, and in the first locking position, the second locking position and the unlocking position, the limiting surface abuts the shell to prevent the rotating portion from rotating; between the second locking position and the unlocking position, the limiting surface releases the rotation limit on the rotating portion.

[0023] According to one embodiment of the present invention, the driving component includes a rotational driving component, an electric driving component and a locking component. The rotational driving component is used to drive the lock bolt to switch from the first locking position to the second locking position by rotation. The electric driving component is energized to drive the locking component to switch between a locking position and a release position. In the locking position, the locking component restricts the rotation of the lock bolt. In the unlocking position, the locking component releases the limit on the lock bolt.

[0024] According to one embodiment of the present invention, the rotating driving member is a torsion spring, which includes a spring body, a first torsion arm and a second torsion arm. The spring body is sleeved on the rotating shaft portion of the lock bolt, and the first torsion arm is limited to the fixed structure of the lock assembly; in the first locking position, the torsion spring is in an elastic deformation state, and the second torsion arm is limited to the first groove body of the lock bolt; in the second locking position, the second torsion arm is limited to the second groove body of the lock bolt.

[0025] According to one embodiment of the present invention, it further includes an unlocking member, and at least one of the unlocking member and the locking member is provided with an inclined surface, and the inclined surface forms an angle with the direction from the locking position to the release position. The unlocking member and the locking member are in contact and cooperate with each other through the inclined surface, and the unlocking member is suitable for manual movement to drive the locking member to move from the locking position to the release position.

[0026] According to one embodiment of the present invention, when the lock assembly includes a housing, the locking member is in line contact or point contact with the housing, and an oil groove for containing lubricating oil is provided on the side of the housing in contact with the locking member.

[0027] The electric appliance according to the second aspect of the present application comprises a cabinet, a door body and the lock assembly according to any one of the above, one of the cabinet and the door body is connected with the lock bolt, the driving component and the limiting component, and the other is connected with the lock hook.

[0028] The electric appliance according to the embodiment of the present application comprises a cabinet, a door body and a lock assembly, the cabinet and the door body are connected through the lock assembly, which can solve the problem that the door body is suddenly opened during the opening process, so that the opening process is more stable and the user experience is better.

[0029] According to one embodiment of the present application, the door body comprises a main door and a sub-door, the main door is connected to the cabinet in an openable and closable manner, the sub-door is connected to the main door in an openable and closable manner, one of the main door and the sub-door is connected with the lock bolt, the driving component and the limiting component, and the other is connected with the lock hook, and / or one of the main door and the cabinet is connected with the lock bolt, the driving component and the limiting component, and the other is connected with the lock hook.

[0030] According to one embodiment of the present application, in the case that the lock assembly comprises a shell, a pre-embedded box is sleeved outside the shell, the pre-embedded box is embedded in a foam layer of one of the cabinet and the door body, the pre-embedded box is provided with a limiting block protruding in the length direction, and the limiting block abuts against a frame of one of the cabinet and the door body.

[0031] The electric appliance according to the third aspect of the present application comprises a door body or a cabinet, one of the door body and the cabinet is provided with:

[0032] a lock bolt;

[0033] a driving component for driving the lock bolt to switch from a first locking position to a second locking position, in the first locking position and the second locking position, the lock bolt is adapted to be locked with the lock hook;

[0034] a limiting component adapted to limit the lock bolt in the second locking position;

[0035] the lock bolt is adapted to be driven by an external force to switch from the second locking position to an unlocking position, in the unlocking position, the lock bolt is adapted to be unlocked with the lock hook;

[0036] wherein the second locking position is between the first locking position and the unlocking position.

[0037] Additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0038] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or related technologies, the following briefly introduces the drawings required for use in the embodiments or related technical descriptions. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0039] Figure 1 1 is a schematic cross-sectional view of a lock assembly according to an embodiment of the present invention; in the figure, the lock bolt is in a first locking position;

[0040] Figure 2 1 is a schematic cross-sectional view of a lock assembly according to an embodiment of the present invention; in the figure, the lock bolt is in the second locking position;

[0041] Figure 3 2 is a schematic cross-sectional view of a lock assembly according to an embodiment of the present invention; in the figure, the lock bolt is between a second locked position and an unlocked position;

[0042] Figure 4 1 is a schematic cross-sectional view of a lock assembly according to an embodiment of the present invention; in the figure, the lock bolt is in an unlocked position;

[0043] Figure 5 1 is a schematic diagram of the three-dimensional structure of a lock assembly provided by an embodiment of the present invention; in the figure, the housing is independent of the components therein;

[0044] Figure 6 1 is a schematic structural diagram of an elastic member and a limiting member of a lock assembly provided in an embodiment of the present invention;

[0045] Figure 7 yes Figure 5 Schematic diagram of the local enlarged structure of part A in the middle;

[0046] Figure 8 : is a schematic diagram of the three-dimensional structure of the lock assembly provided by an embodiment of the present invention; in the figure, an embedded box is sleeved on the outer side of the shell and is connected to an unlocking member;

[0047] Figure 9 : is a side view of the lock assembly provided by an embodiment of the present invention; in the figure, an embedded box and a mounting position of the embedded box for mounting an unlocking member are sleeved on the outer side of the housing, but the unlocking member is not shown;

[0048] Figure 10 2 is a schematic diagram of the three-dimensional structure of the lock assembly provided by an embodiment of the present invention; the embedded box and the side wall of the housing on the side where the unlocking member is located are hidden in the figure to show the structural components within the embedded box and the housing;

[0049] Figure 11 1 is a schematic diagram of the exploded three-dimensional structure of the embedded box, housing and internal components of the lock assembly provided by an embodiment of the present invention;

[0050] Figure 12 1 is a schematic diagram of the coordinated structure of a lock bolt, a lock hook, and a drive component of a lock assembly provided by an embodiment of the present invention;

[0051] Figure 13 1 is a schematic cross-sectional view of the lock assembly according to an embodiment of the present invention in an installed state, wherein the cross-sectional view is at the location of the unlocking member, and the lock bolt is shown installed on the door body;

[0052] Figure 14 1 is a longitudinal structural diagram of the installation state of the lock assembly provided by an embodiment of the present invention, showing the embedded box installed on the door body;

[0053] Figure 15 This is a structural diagram of a lock assembly provided by an embodiment of the present invention installed in a refrigerator;

[0054] Figure 16 This is a schematic diagram of the structure of the lock assembly provided by the embodiment of the present invention installed in the refrigerator. Figure 15 The difference is that the installation position of the lock assembly is different.

[0055] Reference numerals:

[0056] 100, lock bolt; 110, first block; 120, second block; 121, first slot; 122, second slot; 123, first surface; 124, second surface; 125, third surface; 126, first abutting section; 127, second abutting section; 130, clearance groove;

[0057] 200, lock hook; 210, snap-on hole;

[0058] 300, driving component; 310, rotating driving member; 311, spring body; 312, first torsion arm; 313, second torsion arm; 320, electric driving member; 330, locking member; 331, second inclined surface; 332, protruding portion; 333, first stop portion; 334, second stop portion; 335, third stop portion; 336, stepped surface; 340, first spring;

[0059] 400, limiting component; 410, limiting member; 411, rotating portion; 412, limiting portion; 413, limiting surface; 414, contact surface; 415, first section; 416, second section; 417, third section; 420, elastic member; 421, connecting portion; 422, spring portion; 423, mounting groove; 424, folded edge;

[0060] 500, housing; 510, oil tank; 520, stop block; 522, second side surface; 523, first connecting portion; 524, second connecting portion; 530, frame; 540, cover; 550, locking block; 560, positioning groove;

[0061] 600, unlocking member; 610, first inclined surface; 620, operating portion; 630, second spring;

[0062] 700, embedded box; 710, limit block; 800, cabinet body; 900, door body. DETAILED DESCRIPTION

[0063] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0064] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, "multiple", "multiple roots", and "multiple groups" mean two or more.

[0065] In the description of the embodiments of the present invention, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; and direct connections or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on the specific circumstances.

[0066] In the embodiments of the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, a first feature being "above," "above," or "above" a second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "below," "below," or "below" a second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0067] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiment of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0068] The lock assembly of the embodiment of the present invention can be applied to various occasions, such as the cabinet and door of a refrigerator, the cabinet and door of a dishwasher, the cabinet and door of a microwave oven, the door frame and door, etc. Figures 1 to 16 As shown, the lock assembly is applied between the cabinet body and the door body of a refrigerator as an example for explanation.

[0069] The embodiment of the first aspect of the present invention, combined with Figures 1 to 14 As shown, a lock assembly is provided, including a lock bolt 100, a lock hook 200, a driving component 300 and a limiting component 400; the driving component 300 is used to drive the lock bolt 100 to switch from a first locking position to a second locking position, in which the lock hook 200 is locked with the lock bolt 100 in the first locking position and the second locking position; the limiting component 400 is suitable for limiting the lock bolt 100 in the second locking position; wherein the second locking position is located between the first locking position and the unlocking position; the lock bolt 100 is suitable for being driven by an external force to switch from the second locking position to the unlocking position, in which the lock hook 200 and the lock bolt 100 are unlocked.

[0070] The lock hook 200 is adapted to be connected to a first component, and the lock bolt 100 is adapted to be connected to a second component. The lock hook 200 and the lock bolt 100 cooperate to lock and unlock the first and second components. For example, if the first component is a refrigerator door 900 and the second component is a refrigerator cabinet 800, the cabinet 800 and the door 900 can be locked and unlocked by the lock hook 200 and the lock bolt 100. The following description assumes that the first component is the door 900 and the second component is the cabinet 800.

[0071] refer to Figures 1 to 4 As shown, it illustrates the process from the lock assembly being triggered by power to the external force pulling the lock bolt 100 away from the limiter 410 to achieve complete unlocking of the lock assembly; Figure 1 The lock bolt 100 of the lock assembly is in the first locking position, that is, the door body 900 and the cabinet body 800 are locked. Figure 2 The lock bolt 100 of the lock assembly is shown in a second locked position; Figure 3The latch 100 is shown between the second locking position and the unlocking position. Figure 4 It shows that the lock bolt 100 and the lock hook 200 are in the unlocked position, which allows the door to be opened.

[0072] The lock bolt 100 can be switched between a locked position and an unlocked position, and the position of the lock hook 200 is adjusted accordingly. The lock hook 200 and the lock bolt 100 adjust their positions and states synchronously. In the locked position, the lock hook 200 and the lock bolt 100 are mutually restrained, and the lock hook 200 cannot be separated from the lock bolt 100, thereby locking the first and second components. In the unlocked position, the lock hook 200 can be separated from the lock bolt 100, thereby unlocking the first and second components, allowing the first and second components to be opened and closed as needed.

[0073] The locked position includes a first locked position and a second locked position. The lock hook 200 and the lock bolt 100 are mutually restrained, preventing the lock hook 200 from disengaging from the lock bolt 100. The second locked position is located on the path between the first locked position and the unlocked position. That is, the lock bolt 100 must pass through the second locked position during its transition from the first locked position to the unlocked position. Under the driving force of the driving component 300, the lock bolt 100 can switch from the first locked position to the second locked position. When the lock bolt 100 switches to the second locked position, it is restrained by the limiting component 400, maintaining the lock bolt 100 in the second locked position. The provision of the limiting component 400 prevents the lock bolt 100 from directly moving to the unlocked position under the driving force of the driving component 300, thereby resolving the problem of the driving component 300 directly ejecting the lock hook 200, that is, the problem of the first component being directly ejected. A buffer is provided before the first and second components open, making the opening process of the first component smoother, such as opening a door, and improving the user experience.

[0074] The lock bolt 100 can be moved from the second locked position to the unlocked position by an external force, such as a user pulling or pressing the door body 900, so that the lock bolt 100 and the lock hook 200 can be moved synchronously to the unlocked position. The lock bolt 100 and the lock hook 200 in the unlocked position can release the mutual restraint, so that the lock bolt 100 and the lock hook 200 are separated to open the door. The pulling force or pressure of the door opening can overcome the resistance of the limiting component 400 to the lock bolt 100, which saves the user effort and prevents the door body 900 from being ejected, making the door opening process smoother. The lock bolt 100 can be moved from the second locked position to the unlocked position by an external force, such as the inertia of the lock bolt 100 driven by the driving component 300, so that the lock bolt 100 continues to move to the unlocked position, making door opening more labor-saving.

[0075] During the door closing process, the user can push the door body 900 toward the cabinet body 800 to move the lock hook 200 and the lock bolt 100 from the unlocked position, the second locked position, and the first locked position, thereby locking the lock hook 200 and the lock bolt 100. Of course, during the movement of the lock bolt 100 from the second locked position to the first locked position, the driving component 300 can also provide a reverse driving force to help the door body 900 and the cabinet body 800 lock.

[0076] The lock assembly of this embodiment sets a limiting component 400 on the movement path of the lock bolt 100. During the unlocking process of the lock bolt 100 and the lock hook 200, the limiting component 400 limits the lock bolt 100, thereby restricting the door opening process and solving the problem of the door body 900 being bounced open and affecting the user experience. The user can open the door by pulling or pressing the door body 900, and the door opening process is more stable, and the door opening experience is better.

[0077] Next, combine Figures 1 to 8 As shown, the limiting component 400 is described.

[0078] Understandably, the reference Figures 2 to 4 As shown, the limiting component 400 is adapted to generate elastic deformation, and the lock bolt 100 is adapted to overcome the elastic resistance of the limiting component 400 to switch the lock bolt 100 between the second locked position and the unlocked position. The lock bolt 100 switches between the second locked position and the unlocked position by overcoming the elastic resistance of the limiting component 400. When the user pulls or presses the door body 900, they need to overcome the elastic resistance of the limiting component 400, making the opening and closing process of the door body 900 smoother.

[0079] For example, the limiting component 400 is a spring plate arranged between the second locking position and the unlocking position. The resistance of the spring plate keeps the lock bolt 100 in the second locking position, and the lock bolt 100 continues to move to overcome the resistance of the spring plate, so that the lock bolt 100 moves to the unlocking position; or, the resistance of the spring plate can slow down the movement speed of the lock bolt 100 in the second locking position, and it can still move from the second locking position to the unlocking position, so that the force of the door body 900 being bounced open is reduced, and the door body 900 can be opened smoothly.

[0080] Unlike the above-described embodiment, during the transition of the lock bolt 100 between the second locked position and the unlocked position, the lock bolt 100 is not limited to overcoming the elastic resistance of the limiting member 400. The limiting member 400 can also release the limit and stop of the lock bolt 100 through telescopic movement, rotational movement, etc. The structure of the limiting member 400 is diverse and can be selected according to needs. Of course, the limiting member 400 can also combine either the telescopic movement or the rotational movement with the elastic resistance, such as requiring the telescopic movement of the limiting member 400 to overcome the elastic resistance to make the telescopic movement more stable; or requiring the rotational movement of the limiting member 400 to overcome the elastic resistance to make the rotational movement more stable. The structure of the limiting member 400 is more diverse.

[0081] In some cases, reference Figures 5 to 7 As shown, the limiting component 400 includes a limiting member 410 and an elastic member 420 connected to the limiting member 410. In the second locked position, the lock bolt 100 contacts the limiting member 410 for limiting position; the elastic member 420 is adapted to produce elastic deformation to cause the limiting member 410 to move, thereby causing the lock bolt 100 to overcome the limiting force of the limiting member 410 and move to the unlocked position. The lock bolt 100 contacts the limiting member 410 for limiting position. When the lock bolt 100 is subjected to an external force and moves relative to the limiting member 410, the limiting member 410 overcomes the elastic force between it and the elastic member 420 and gives way to the lock bolt 100, allowing the lock bolt 100 to overcome the limiting force of the limiting member 410 and move from the second locked position to the unlocked position.

[0082] The movement of the limiting member 410 can be rotational or telescopic, and the limiting member 410 can move in various ways, and the structure of the limiting member 410 can be customized as needed. The elastic member 420 can be a spring, a telescopic spring, a torsion spring, or other structural forms. The elastic member 420 cooperates with the limiting member 410 to maintain the lock bolt 100 in the second locked position and enable the lock bolt 100 to overcome the resistance of the limiting member 400 and move to the unlocked position. The type of elastic member 420 is not limited.

[0083] When an external force acts on the lock hook 200 and the lock bolt 100, the lock bolt 100 generates a force that overcomes the limiting member 410. Under the squeezing force of the lock bolt 100 on the limiting member 410, the limiting member 410 transmits the squeezing force to the elastic member 420, causing the elastic member 420 to elastically deform. Alternatively, the limiting member 400 is further equipped with a structural member for driving the elastic member 420 to elastically deform. When the lock bolt 100 reaches the second locked position, this structural member drives the elastic member 420 to elastically deform, causing the limiting member 410 to move. When the limiting member 410 moves to the point where the limiting resistance to the lock bolt 100 is released, the user can apply a small pulling or pressing force to switch the lock bolt 100 from the second locked position to the unlocked position, which is more labor-saving for the user and helps to improve the user experience. Among them, the structural member used to drive the elastic member 420 can be a component that directly drives the elastic member 420. This structural member can also realize the elastic deformation of the elastic member 420 by driving the limit member 410 to move. This structural member can be a rotating motor, a linear motor and a telescopic cylinder, etc.

[0084] It should also be noted that when the limiting component 400 is not provided with an elastic component 420, the limiting component 400 may be provided with a component for driving the limiting component 410 to move. When the lock bolt 100 moves to the second locking position, the limiting component 410 can be driven to move by this component, so that the limiting component 410 makes way for the lock bolt 100, which can reduce the resistance to opening the door.

[0085] In some cases, the limiting component 400 can be an elastic block, and the lock bolt 100 contacts the elastic block for limiting. For example, the elastic block can be an elastic airbag, a rubber block, a flexible plastic block, a silicone block, etc. The structures of the limiting component 400 are various and can realize the elastic limiting function. The specific structural form is not limited.

[0086] Understandably, the reference Figure 6 As shown, the elastic member 420 includes a connecting portion 421 and a spring portion 422 connected to the connecting portion 421, the spring portion 422 abuts the limiting member 410, and the connecting portion 421 can be fixed to the second component. The spring portion 422 and the limiting member 410 can be in surface contact, line contact, point contact, etc. The positional relationship between the spring portion 422 and the limiting member 410 is flexible, and the structural stability of the spring portion 422 and the limiting member 410 is better.

[0087] The elastic member 420 may be formed by bending a plate, and the connecting portion 421 and the spring portion 422 may be integrally formed. Of course, the connecting portion 421 and the spring portion 422 may also be detachably connected, such as by bonding or snapping, and the connection method between the connecting portion 421 and the spring portion 422 is not limited.

[0088] The elastic member 420 may be a spring, and the shape of the spring is related to its installation position. The connecting portion 421 may be connected to the second component by welding, snapping, plugging, etc., and the connection method between the connecting portion 421 and the second component may be set as needed.

[0089] Understandably, the reference Figure 6 As shown, the connecting portion 421 is constructed with a mounting groove 423, and the connecting portion 421 is plugged into at least one wall panel of the second component through the mounting groove 423. The wall panel is plugged into the mounting groove 423 to realize the connection between the second component and the elastic member 420. The connection method is simple and the structure of the elastic member 420 is simple.

[0090] The connecting portion 421 can be bent to form a mounting groove 423 . The mounting groove 423 is simple to process and can be formed into an adaptable structure according to the shape of the wall panel. The elastic member 420 has a simple, flexible and easy-to-process structure.

[0091] The wall panel of the second component can be a structure dedicated to fixing the elastic member 420 or a structure shared by other components. The number of wall panels for installing the elastic member 420 can be set as needed, such as one or two.

[0092] It is understood that the end of the connecting portion 421 facing away from the elastic portion 422 is provided with a folded edge 424, and the second component is provided with a positioning groove 560, and the folded edge 424 is inserted into the positioning groove 560. The elastic member 420 is plugged into the second component via the folded edge 424. The plug-in positioning method facilitates assembly and disassembly, and the elastic member 420 has a simple structure and is easy to process.

[0093] refer to Figure 6 As shown, the end of the connecting portion 421 is provided with a folded edge 424, which is folded in the direction of closing the mounting groove 423 to limit at least one side of the mounting groove 423 and improve the connection stability between the elastic member 420 and the second component. Of course, the connecting portion 421 can also be provided with multiple folded edges 424, and the multiple folded edges 424 can be positioned with the multiple positioning grooves 560. The folded edges 424 can form angles so that the multiple folded edges 424 can be positioned with the wall panel from multiple directions and angles. This simplifies the structure and improves the connection stability of the elastic member 420.

[0094] Understandably, the reference Figures 1 to 5As shown, the lock assembly further includes a housing 500, which is fixedly connected to the second component. The connecting portion 421 of the elastic member 420 can be fixedly connected to the second component through the housing 500. The lock assembly with the housing 500 has a stronger integrity. The housing 500 has an installation cavity formed therein, in which the lock bolt 100, the position-limiting component 400, and the driving component 300 can be placed. The housing 500 protects the lock bolt 100, the position-limiting component 400, and the driving component 300, and also facilitates the installation of the lock bolt 100, the position-limiting component 400, and the driving component 300. It also improves the integration of the lock assembly, allowing the lock assembly to be directly disassembled and assembled through the housing 500. The structure is simple and convenient for transporting and disassembling the lock assembly.

[0095] Combine Figures 5 to 7 As shown, when the connection portion 421 is configured with a mounting groove 423 and at least one side of the housing 500 is provided with an opening, the connection portion 421 can be plugged into at least one sidewall of the housing 500. The elastic member 420 and the housing 500 are structurally simple and do not require additional components. The connection portion 421 comprises three plate portions, with two bends formed between the three plates to form the mounting groove 423. The connection portion 421 has a simple structure and is easy to manufacture.

[0096] refer to Figure 11 As shown, the housing 500 includes a frame 530 that encloses a mounting cavity and a cover 540 that is detachably connected to the frame 530. An opening is provided on one side of the frame 530, and the cover 540 can close the opening. The elastic member 420 can be installed on the side wall of the frame 530 through the opening. The elastic member 420 is easy to install, and other components in the mounting cavity can also be installed through the opening. The installation method of the components in the housing 500 is simple, and the housing 500 can form a relatively closed space to fully protect the components in the housing 500. The connection method between the frame 530 and the cover 540 can be at least one of the connection methods such as snap-on, plug-in, and fastener connection. Figure 11 Six snap-fitting structures are provided on the cover 540 , and the snap-fitting structures respectively cooperate with the notches at corresponding positions of the frame 530 to achieve snap-fit ​​fixation of the cover 540 and the frame 530 .

[0097] Among them, reference Figures 5 to 7 As shown, the frame 530 is provided with a positioning groove 560 , and the positioning groove 560 is fixed to the folded edge 424 by plugging, thereby enhancing the connection stability between the elastic member 420 and the frame 530 .

[0098] It should be noted that, when the lock assembly does not include the shell 500, the various functional components of the lock assembly can be directly installed in the second component, and the installation method of the various functional components can be the same as the installation method in the shell 500. The following embodiments are described as an example in which the lock assembly includes the shell 500 and multiple components are arranged in the shell 500.

[0099] Understandably, the reference Figures 1 to 6 As shown, the limiting member 410 includes a rotating portion 411 and a limiting portion 412 connected to the rotating portion 411. The rotating portion 411 is rotatably connected to the shell 500. The limiting portion 412 is in contact with the elastic member 420. The limiting member 410 rotates relative to the shell 500 through the rotating portion 411 to achieve the giving way of the lock bolt 100. The structure is simple.

[0100] When the elastic member 420 includes a spring portion 422, the spring portion 422 contacts the limiting portion 412, and the contact mode can be surface contact or line contact. The rotating portion 411 can be a rotating shaft or a rotating hole, and the housing 500 is provided with a shaft or hole structure adapted to the rotating portion 411 to achieve a rotational connection between the rotating portion 411 and the housing 500. Figure 5 and Figure 6 As shown, the housing 500 is provided with a rotation hole, and the rotating portion 411 is a rotation axis.

[0101] In the first locked position, the second locked position, and the unlocked position, the limiting member 410 is held relatively stationary by the elastic member 420. The elastic force of the elastic member 420 maintains the rotating portion 411 in the set position. Between the second locked position and the unlocked position, the rotating portion 411 is adapted to rotate relative to the housing 500 in a direction to release the locking bolt 100, causing the elastic member 420 to elastically deform. Under the action of the movement of the locking bolt 100, the locking bolt 100 abuts the limiting portion 412, driving the limiting portion 412 to overcome the elastic force of the elastic member 420, causing the limiting portion 412 to give way to the locking bolt 100, enabling the locking bolt 100 to move between the second locked position and the unlocked position. When the locking bolt 100 completes its movement between the second locked position and the unlocked position, the elastic force of the elastic member 420 causes the limiting member 410 to return to the set position.

[0102] In some cases, the limiting member 410 is rotatably connected to the housing 500 , and the elastic member 420 may be a torsion spring that limits and restores the rotational movement of the limiting member 410 .

[0103] Understandably, the reference Figures 1 to 4 As shown, the limiting portion 412 is provided with a limiting surface 413. In the first locked position, the second locked position, and the unlocked position, the limiting surface 413 abuts the housing 500 to prevent the rotation of the rotating portion 411, thereby maintaining the limiting member 410 in the set position. The contact between the limiting surface 413 and the housing 500 provides a simple structure and effective limiting effect. Between the second locked position and the unlocked position, the limiting surface 413 releases the rotational limit on the rotating portion 411. The limiting surface 413 does not affect the rotational movement of the limiting member 410, allowing the limiting member 410 to rotate to clear the position of the lock bolt 100.

[0104] refer to Figures 2 to 4 As shown, Figure 2 It shows that in the second locking position, the limiting surface 413 abuts against the inner wall of the housing 500 to limit the position. Figure 4 It shows that in the unlocked position, the limiting surface 413 abuts against the inner wall of the housing 500 to limit the position. Figure 3 It shows that between the second locking position and the unlocking position, the limiting member 410 rotates relative to the housing 500, and the limiting surface 413 releases the limitation with the housing 500. Figures 2 to 4 As shown, the lock bolt 100 moves from the second locking position to the unlocking position, and the limiting surface 413 is limited by contacting the inner wall of the housing 500, released from the limit, and then returned to the contact limit. The structure of the limiting surface 413 is simple.

[0105] The limiting portion 412 is provided with a contact surface 414. From the second locked position to the unlocked position, the contact surface 414 contacts and cooperates with the lock bolt 100. The contact surface 414 and the limiting surface 413 are located on either side of the axis of the rotating portion 411. This simple and ingenious structure ensures stable positioning and flexible rotation of the limiting member 410. The surface of the limiting portion 412 that abuts the spring of the elastic member 420 can be referred to as the abutment surface. The abutment surface and the contact surface 414 are located on opposite sides of the limiting portion 412.

[0106] refer to Figures 2 to 4 As shown, the contact surface 414 is provided with a first section 415 and a second section 416. The first section 415 is concave relative to the second section 416, and the second section 416 is convex relative to the first section 415. When the lock bolt 100 is in the second locked position, the lock bolt 100 contacts the first section 415. When the lock bolt 100 needs to move from the second locked position to the unlocked position, the lock bolt 100 contacts the second section 416. When the lock bolt 100 begins to move from the second locked position to the unlocked position, the lock bolt 100 needs to overcome the resistance of the convex second section 416 relative to the first section 415. This simple structure ensures that the lock bolt 100 remains in the second locked position.

[0107] It is understandable that when the lock bolt 100 switches between the second locking position and the unlocking position, the lock bolt 100 is in line contact with the limiter 410 to reduce the friction resistance between the lock bolt 100 and the limiter 410, making door opening and closing more labor-saving.

[0108] The first surface 123 and the second surface 124 are arranged on one side of the lock bolt 100 abutting against the limiting member 410, the first surface 123 and the second surface 124 form an included angle, a first abutting section 126 is formed between the first surface 123 and the second surface 124, the first abutting section 126 is in contact with the limiting portion 412, and the contact surface 414 between the lock bolt 100 and the limiting portion 412 is reduced, thereby reducing the frictional resistance. During movement of the lock bolt 100 from the second locking position to the unlocking position, the first abutting section 126 is in linear contact with the first section 415 of the limiting portion 412, thereby sufficiently reducing the frictional resistance between the limiting member 410 and the lock bolt 100.

[0109] Reference Figure 3 and Figure 4 As shown in FIG. 5, the lock bolt 100 further comprises a third surface 125, the third surface 125 is connected with the second surface 124 through a second abutting section 127, the second abutting section 127 can abut against a third section 417 of the contact surface 414, the third section 417 is connected with the second section 416, and the limiting member 410 is sequentially provided with the first section 415, the second section 416 and the third section 417 in the direction from the second locking position to the unlocking position. The third section 417 is concave relative to the second section 416, so that when the lock bolt 100 reaches the unlocking position, the limiting member 410 returns to the set position, the elastic member 420 returns to the initial state, the limiting member 400 is prevented from being in the elastic deformation state for a long time and affecting the service life, which is helpful to prolong the service life of the limiting member 400 and the lock assembly. The second abutting section 127 is in linear contact with the third section 417 of the limiting member 410, thereby reducing the frictional force between the lock bolt 100 and the limiting member 410.

[0110] The included angle between the first surface 123 and the second surface 124 can be obtuse, the included angle between the second surface 124 and the third surface 125 is obtuse, and the structure of the lock bolt 100 is simple and convenient to process. In the direction from the second locking position to the unlocking position, the lock bolt 100 is sequentially provided with the third surface 125, the second surface 124 and the first surface 123.

[0111] It can be understood that, with reference to Figure 5As shown, the lock bolt 100 includes a first block 110 and a second block 120, with a clearance groove 130 formed between the first block 110 and the second block 120. The lock hook 200 is provided with a latching hole 210. In the locked position, the latching hole 210 is sleeved on the outside of the first block 110, and part of the structure of the lock hook 200 is located in the clearance groove 130, thereby locking the lock hook 200 with the lock bolt 100. When the lock bolt 100 is rotated to the unlocked position, the first block 110 moves out of the latching hole 210, unlocking the lock hook 200 and the lock bolt 100. The structure is simple. The second block 120 is used to abut against the limiting component 400. When the lock bolt 100 is provided with a first surface 123, a second surface 124, and a third surface 125, the first surface 123, the second surface 124, and the third surface 125 are located on the second block 120.

[0112] Next, the driving member 300 will be described.

[0113] It can be understood that the driving component 300 includes a rotating driving member 310, which is used to drive the lock bolt 100 to switch from the first locking position to the second locking position by rotation. The lock bolt 100 switches between the first locking position and the second locking position through rotational movement. The movement stability of the lock bolt 100 is good, and the door can be opened and closed more smoothly.

[0114] The lock bolt 100 can be switched between the second locking position and the unlocking position by a rotational motion. The rotational power of the lock bolt 100 can come from the user pushing or pulling the door body 900, which has a simple structure and is easy to operate.

[0115] The rotation drive member 310 can also be a motor, which drives the lock bolt 100 to rotate, and the structure is simple. When the rotation drive member 310 is a motor, the electric drive member 320, the locking member 330 and the torsion spring are not required, and the structure is simpler.

[0116] Understandably, the reference Figures 1 to 5 As shown, the driving component 300 further includes an electric driving component 320 and a locking component 330. The electric driving component 320 is energized to drive the locking component 330 to switch between a locked position and a released position. In the locked position, the locking component 330 restricts the rotation of the lock bolt 100, and in the released position, the locking component 330 releases the restriction on the lock bolt 100. The electric driving component 320 can drive the locking component 330 to move, so that the locking component 330 restricts the lock bolt 100 in the first locked position, or release the restriction on the lock bolt 100, so that the lock bolt 100 can switch from the locked position to the unlocked position.

[0117] The locking member 330 switches between a locking position and a releasing position, and the position of the locking member 330 can be adjusted by moving, rotating, or a structural movement of moving and rotating.

[0118] The electric drive member 320 can be an electromagnet that drives the locking member 330 to move between the locked position and the released position through the attraction or repulsion of the magnetic field, which has a simple structure. Of course, the electric drive member 320 can also be a linear motor or other structure that can provide moving power.

[0119] refer to Figures 1 to 5 As shown, when the driving component 300 further includes an electric driving component 320 and a locking component 330 , the rotation driving component 310 is a torsion spring. When the locking component 330 releases the limit on the lock bolt 100 , the torsion spring can provide the lock bolt 100 with a rotation driving force.

[0120] refer to Figure 1 and Figure 2 As shown, the electric driver 320 is an electromagnet located below the locking member 330. A stepped surface is provided above the locking member 330 to stop the bolt 100. In the locked position, the stepped surface contacts a protrusion below the bolt 100 to limit its position. When the electromagnet drives the locking member 330 downward, the locking member 330 contacts the stop on the bolt 100, allowing the bolt 100 to rotate. The rotational force of the bolt 100 can then be derived from the torsion of the torsion spring, enabling the bolt 100 to rotate between the locked and unlocked positions. Alternatively, the rotational force of the bolt 100 can come from a push rod, which is eccentric relative to the bolt 100 and can provide either a push or a pull force.

[0121] When the lock assembly includes a shell 500, the locking member 330 is located in the shell 500, and the shell 500 is provided with an oil groove 510. The oil groove 510 faces the locking member 330 and is located on the movement path of the locking member 330. The oil groove 510 can be used to contain lubricating oil. When the locking member 330 moves relative to the shell 500, the lubricating oil in the oil groove 510 lubricates the locking member 330 and the shell 500, thereby reducing the movement resistance of the locking member 330 and the shell 500.

[0122] During the movement of the locking member 330 relative to the housing 500, the locking member 330 contacts the housing 500, which may be in surface contact, line contact, or point contact. The side of the housing 500 where the locking member 330 contacts is provided with an oil groove 510 to reduce contact friction between the housing 500 and the locking member 330. When the housing 500 includes a frame 530 and a cover 540, the locking member 330 fits snugly against the inner surface of the cover 540. Several shallow grooves serving as oil grooves 510 are provided on the inner surface of the cover 540, and several oil grooves 510 are also provided on the inner surface of the frame 530.

[0123] A protrusion 332 is provided on at least one side of the locking member 330, and the protrusion 332 protrudes toward the inner surface of the shell 500. The protrusion 332 and the inner surface of the shell 500 can be in surface contact or line contact. The contact surface 414 between the protrusion 332 and the shell 500 is smaller, and the friction between the locking member 330 and the shell 500 is reduced by the protrusion 332.

[0124] It is understood that when the lock assembly includes a housing 500, a locking block 550 is provided on the housing 500. The locking block 550 serves to limit the locking member 330. The locking block 550 is located on the movement path of the locking member 330. When the locking member 330 is in the locked position, the locking member 330 is limited by the locking block 550, ensuring that the locking amount of the locking member 330 is fixed. At the same time, the position of the electromagnet's iron core within the electromagnet is maintained, effectively controlling the output force value of each electromagnet action within a certain range. One or more locking blocks 550 may be provided within the housing 500.

[0125] refer to Figure 4 and Figure 10 As shown, the locking member 330 includes a first stop portion 333, a second stop portion 334 and a third stop portion 335. The first stop portion 333 and the third stop portion 335 are located on both sides of the second stop portion 334. The second stop portion 334 is used to limit the lock bolt 100. The first stop portion 333 and the third stop portion 335 are used to cooperate with the locking block 550 to limit the locking member 330. At least one of the first stop portion 333 and the third stop portion 335 is equipped with a locking block 550 to achieve the stopping of the locking block 550. The structure of the shell 500 is flexible and can be selected according to needs.

[0126] At least one of the first stopping portion 333 and the third stopping portion 335 is provided with a protrusion 332 , so that a contact area between at least one of the first stopping portion 333 and the third stopping portion 335 and the housing 500 is reduced.

[0127] refer to Figure 5 As shown, a first spring 340 is provided between the housing of the electric drive part 320 and the locking part 330. When the locking part 330 moves from the locking position to the release position, the first spring 340 generates elastic deformation, and the first spring 340 can play a role in buffering and shock absorption for the movement of the locking part 330; when the locking part 330 moves from the release position to the locking position, the elastic force of the first spring 340 can help the locking part 330 move to the locking position. In the locked position, the first spring 340 can also play a role in supporting the locking part 330.

[0128] In some cases, in the locked position, the electric driver 320 is in a de-energized state and does not provide support to the locking member 330. The first spring 340 supports the locking member 330. From the locked position to the released position, the electric driver 320 is energized. The suction force of the electric driver 320 causes the locking member 330 to overcome the elastic force of the first spring 340 and move downward, thereby releasing the locking member 330 from limiting the position of the lock bolt 100. The locking member 330 can normally be in the locked position. After releasing the lock bolt 100, the locking member 330 can return to the locked position to reduce power consumption of the driving component 300.

[0129] The torsion spring comprises a spring body 311, a first torsion arm 312, and a second torsion arm 313. The spring body 311 is sleeved around the rotating shaft of the lock bolt 100, while the first torsion arm 312 is restrained by the fixed structure of the lock assembly. When the lock bolt 100 is in the first locked position, the torsion spring is elastically deformed, and the elastic force of the torsion spring can be used to drive the lock bolt 100 from the first locked position to the second locked position.

[0130] In the first locked position, the second torsion arm 313 is confined within the first groove 121 of the lock bolt 100. In the second locked position, the second torsion arm 313 is confined within the second groove 122 of the lock bolt 100. When the lock bolt 100 is provided with a first block 110 and a second block 120, and the first groove 121 and the second groove 122 are both provided on the second block 120, the surface of the second block 120 on which the first groove 121 and the second groove 122 are provided is not a regular spherical shape. As the lock bolt 100 rotates, the relative position of the second torsion arm 313 and the second block 120 changes, and the second torsion arm 313 adjusts its position between the first groove 121 and the second groove 122. This ensures the accurate positioning of the second torsion arm 313 and the lock bolt 100 and simplifies the structure of the lock bolt 100.

[0131] Of course, the structure of the second block 120 for connecting to the second torsion arm 313 can also be set to a spherical structure. During the rotation of the lock bolt 100, the second lock bolt 100 can be limited in the same groove of the spherical structure.

[0132] Between the second locking position and the unlocking position, the second torsion arm 313 and the lock bolt 100 are released from the limit, the torsion spring no longer provides rotational power to the lock bolt 100, and the lock bolt 100 switches to the unlocking position under the pull of the lock hook 200, and the lock bolt 100 moves flexibly.

[0133] The shell 500 may be provided with a stop block 520, and the first torsion arm 312 is limited to the stop block 520. When the lock bolt 100 is in the first locking position, a rotational driving force is accumulated between the first torsion arm 312 and the second torsion arm 313, and the lock bolt 100 is driven to rotate by the rotational driving force between the first torsion arm 312 and the second torsion arm 313. The installation and positioning method of the torsion spring is simple, and the stop block 520 can also serve as a stop locking member 330.

[0134] In the locked position, the locking member 330 is limited to the first side surface of the stop block 520, and the first torsion arm 312 is rotationally limited to the second side surface 522 of the stop block 520. The first side surface and the second side surface 522 form an angle, that is, different sides of the stop block 520 play different roles, and the stop block 520 can play multiple roles.

[0135] The second side surface 522 of the stop block 520 in contact with the first torsion arm 312 is set as an inclined surface. The second side surface 522 is parallel to the first torsion arm 312 to ensure that the first torsion arm 312 is fully in contact with the second side surface 522, so that the stability of the first torsion arm 312 is better.

[0136] refer to Figure 10 As shown, the stop block 520 includes a first connecting portion 523 connected to the inner surface of the housing 500 and a second connecting portion 524 folded toward a first side of the first connecting portion 523. A retaining groove is formed between the second connecting portion 524, the first connecting portion 523, and the inner surface of the housing 500, and the first torsion arm 312 extends corresponding to the retaining groove. The ends of the first connecting portion 523 and the second connecting portion 524 are used to retain the locking member 330. The stop block 520 has a simple structure and is cleverly positioned.

[0137] The driving modes of the above-mentioned driving components 300 are all electric energy driven. When the power is on, opening and closing the door is more labor-saving. However, when the power is off, it is difficult to open and close the door, which affects the user experience.

[0138] Next, combine Figures 8 to 13 As shown, a manual unlocking method is provided.

[0139] Manual unlocking herein can be understood as manually releasing the limit of the lock bolt 100 without the need for power supply, so that the lock bolt 100 can be adjusted between the locked position and the unlocked position.

[0140] It is understandable that, combined with Figure 8 、 Figure 10 and Figure 11As shown, the lock assembly also includes an unlocking member 600, which is used to release the locking member 330 from the locked position, allowing the locking member 330 to switch from the locked position to the released position, thereby allowing the lock bolt 100 to be adjusted as needed. The unlocking member 600 can replace the function of the electric drive member 320 to drive the locking member 330 to move.

[0141] At least one of the unlocking member 600 and the locking member 330 is provided with an inclined surface, and the inclined surface forms an angle with the direction from the locked position to the released position, that is, the inclined surface forms an angle with the first movement direction of the locking member 330. The unlocking member 600 and the locking member 330 are in contact and cooperate with each other through the inclined surface. The unlocking member 600 is suitable for manual movement in a second movement direction to drive the locking member 330 to move from the locked position to the released position. Among them, the first movement direction is the direction from the locked position to the released position, and the second movement direction is perpendicular to the first movement direction. Through the inclined surface cooperation, the unlocking member 600 can be set perpendicular to the movement direction of the locking member 330. By pressing the unlocking member 600, the locking member 330 is driven to move along the first movement direction from the locked position to the released position, thereby unlocking the lock assembly and controlling the opening and closing of the door.

[0142] Combine Figure 11 and Figure 12 As shown, the unlocking member 600 is provided with a first inclined surface 610, and the locking member 330 is provided with a second inclined surface 331. The first inclined surface 610 is parallel to the second inclined surface 331. Due to the contact between the first inclined surface 610 and the second inclined surface 331, pressing the unlocking member 600 drives the locking member 330 to move downward, releasing the locking member 330 from the position restriction on the lock bolt 100. The structure is simple and easy to operate.

[0143] When the locking member 330 is provided with a second stopping portion 334 , the second inclined surface 331 is provided on the second stopping portion 334 .

[0144] A second spring 630 is provided between the unlocking member 600 and the shell 500. When the unlocking member 600 is pressed into the shell 500 and drives the locking member 330 to move from the locked position to the released position, the elastic force of the second spring 630 needs to be overcome. When the door opening action is completed, the pressing force on the unlocking member 600 is released, and the elastic force of the second spring 630 drives the unlocking member 600 to move outward from the shell 500 to release the limit of the unlocking member 600 on the locking member 330, and the locking member 330 can return to the locked position.

[0145] refer to Figure 13 and Figure 14 As shown, when the lock assembly is provided with an embedded box 700, the embedded box 700 can be embedded in the second component, and an adaptive snap-fit ​​structure is provided between the embedded box 700 and the unlocking member 600 to limit the unlocking member 600 by snapping, so that the locking member 330 remains in the released position.

[0146] The lock assembly can be embedded in the second component, such as embedded in the foaming layer of the second part, through the embedded box 700. The end of the embedded box 700 is provided with a limiting block 710 abutting against and stopped by the second component, so that the embedded box 700 is limited and fixed through the foaming layer, realizing the fixation of the lock assembly on the second component. The limiting block 710 can protrude in the length direction of the embedded box 700 to position the length direction of the embedded box 700. When the lock assembly is used for locking the door body 900 and the cabinet body 800, the limiting block 710 abuts against one frame of the cabinet body 800 and the door body 900, which is simple in structure and easy to process.

[0147] Next, the cooperation relationship between the lock bolt 100 and the lock hook 200 will be described.

[0148] Reference Figure 12 As shown, the lock bolt 100 is driven to rotate and adjust between the first locking position, the second locking position and the unlocking position by the driving component 300, the lock bolt 100 drives the lock hook 200 to move, so that the lock hook 200 is unlocked from the mutual locking with the lock bolt 100, realizing the opening and closing adjustment of the door body 900.

[0149] The lock bolt 100 is provided with a rotating shaft part, a first block 110 and a second block 120, the rotating shaft part is rotatably connected to the shell 500, so that the lock bolt 100 is switched between the locking position and the unlocking position through rotation, a displacement slot 130 is formed between the first block 110 and the second block 120, the first block 110 is used for clamping and fixing with the clamping hole 210 of the lock hook 200, and the second block 120 is used for cooperating with the limiting component 400, so that the limiting component 400 is elastically deformed. In the locking position, the clamping hole 210 is sleeved on the outside of the first block 110, and part of the structure of the lock hook 200 is located in the displacement slot 130, realizing the locking of the lock hook 200 and the lock bolt 100. When the lock bolt 100 rotates to the unlocking position, the first block 110 moves out of the clamping hole 210, realizing the unlocking of the lock hook 200 and the lock bolt 100, which is simple in structure.

[0150] The lock bolt 100 rotates and moves, driving the lock hook 200 to move, and the movement mode and structure of the lock hook 200 are relatively simple. The lock hook 200 can be fixed to the first component through clamping, fastener connection and the like.

[0151] It should be noted that the movement mode of the lock bolt 100 between the locking position and the unlocking position is not limited to the rotating movement, but also can be the moving movement, the structure of the moving and rotating and the like.

[0152] In combination Figures 1 to 14As shown, the lock assembly includes a lock bolt 100, a lock hook 200, a driving component 300, and a limiting component 400, which can adopt at least one of the above embodiments, and the structure of the lock assembly is various, and can be selected as required.

[0153] With reference to the embodiments of the second aspect of the present application, Figures 1 to 16 As shown, an electric appliance is provided, which includes a cabinet 800, a door 900, and the lock assembly of any one of the above, the cabinet 800 and one of the door 900 are connected with the lock bolt 100, the driving component 300, and the limiting component 400, and the other is connected with the lock hook 200. The lock assembly has the beneficial effects described above, and the electric appliance has the beneficial effects described above, and the details can be referred to the above, which will not be repeated here.

[0154] The cabinet 800 and the door 900 are adjusted to open and close through the lock assembly, which is simple in structure and easy to operate.

[0155] The electric appliance can be a refrigerator, a freezer, a microwave oven, a dishwasher, etc., and the types of the electric appliance are various and have a wide range of applications.

[0156] When the door 900 includes a main door and a sub-door, the main door is connected to the cabinet 800 to be openable and closable, and the sub-door is connected to the main door to be openable and closable. One of the main door and the sub-door is connected with the lock bolt 100, the driving component 300, and the limiting component 400, and the other is connected with the lock hook 200; and / or, one of the main door and the cabinet 800 is connected with the lock bolt 100, the driving component 300, and the limiting component 400, and the other is connected with the lock hook 200. That is, the main door and the sub-door can be connected through the lock assembly, and the main door and the cabinet 800 can also be connected through the lock assembly, and the position of the lock assembly is flexible and can be set as required.

[0157] The functions and structures of the main door and the sub-door are not limited, and the main difference between the main door and the sub-door is the position.

[0158] It can be understood that, in the case that the lock assembly includes the unlocking piece 600, the operation part 620 of the unlocking piece 600 is located on the outside of the cabinet 800 or the door 900, which facilitates the user to manually unlock from the outside of the cabinet 800 or the door 900 to realize the opening and closing control of the electric appliance. The operation part 620 of the unlocking piece 600 can be a pressing surface, and the operation part 620 can also be a tool positioning surface for manually driving the unlocking piece 600, and the structure of the operation part 620 is various, which will not be limited here.

[0159] With reference to the embodiments of the second aspect of the present application, Figure 16As shown, the lock assembly includes an unlocking member 600, which is arranged at the upper and lower ends of the cabinet 800, so that the operating portion 620 of the unlocking member 600 can extend to the outside of the cabinet 800 through the top and bottom walls of the cabinet 800, which is convenient for manual unlocking. Figure 15 As shown, when the lock assembly is not provided with an unlocking member 600, the lock assembly can be provided at any position of the cabinet 800, such as the upper end of the cabinet 800, the wall panel of the drawer in the cabinet 800, etc. The position of the lock assembly is flexible, and a suitable installation position can be selected according to the structure of the lock assembly.

[0160] It can be understood that when the lock assembly includes a shell 500, an embedded box 700 is provided on the outer side of the shell 500, and the embedded box 700 is embedded in a foam layer in the cabinet body 800 and the door body 900. The embedded box 700 is fixed to the cabinet body 800 or the door body 900 through the foam layer. The embedded box 700 has good fixing stability and is easy to process.

[0161] Among them, the electrical equipment with the foam layer can be equipment that requires heat preservation, such as refrigerators and freezers.

[0162] The following combination Figures 1 to 16 As shown, the lock assembly is applied to a refrigerator as an example for explanation.

[0163] The refrigerator can be a deep freezer, which requires a high level of insulation. This description assumes that the lock assembly is connected between the door 900 and the cabinet 800. The cabinet 800 of the refrigerator is equipped with an embedded box 700, a housing 500, and components located within the housing 500. The components within the housing 500 include a lock bolt 100, a drive component 300, and a stopper 400. The door 900 is connected to a lock hook 200. Of course, the housing 500 can also be connected to an unlocking member 600 to manually unlock the lock assembly. The unlocking member 600 can extend from the outside of the cabinet 800 into the housing 500. When the door 900 is closed, the lock hook 200 is locked by the lock bolt 100, restricting the rotation of the refrigerator door 900.

[0164] The locking member 330 is driven by the electromagnet to switch between the locked position and the unlocked position, so that the locking member 330 is prevented from moving and the locking member 330 is kept in the first locked position. When the electromagnet drives the locking member 330 to switch from the locked position to the unlocked position, the locking member 330 is driven by the torsion spring to rotate, so that the locking member 100 drives the lock hook 200 to rotate from the first locked position to the second locked position. When the locking member 330 is driven by the electromagnet to switch from the locked position to the unlocked position, the locking member 330 is driven by the torsion spring to rotate, so that the locking member 100 drives the lock hook 200 to rotate from the first locked position to the second locked position. When the locking member 330 is driven by the electromagnet to switch from the locked position to the unlocked position, the locking member 330 is driven by the torsion spring to rotate, so that the locking member 100 drives the lock hook 200 to rotate from the first locked position to the second locked position. When the locking member 100 rotates to the second locked position, the limiting member 400 stops the locking member 100 in the second locked position or slows down the rotation speed of the locking member 100 in the second locked position. The limiting member 400 can stop the door body 900 in the second locked position or slow down the door opening speed to solve the problem that the door body 900 is popped out and affects the user experience.

[0165] Among them, the electromagnet is connected to the locking member 330. When the electromagnet is energized, the locking member 330 is pulled downward, and the locking member 330 releases the lock bolt 100, and the lock bolt 100 can rotate under the drive of the torsion spring; the torsion spring is installed on the rotating shaft at one end of the lock bolt 100, and the lock bolt 100 always remains in a stressed state, and the locking member 330 is arranged below the lock bolt 100; when the electromagnet is de-energized, the first spring 340 coaxially arranged with the iron core of the electromagnet pushes the iron core together with the locking member 330 upward, and the lock bolt 100 is limited by the step surface 336 of the locking member 330. When the limiting component 400 restricts the movement of the lock bolt 100, the door body 900 is also restricted from opening. When the door body 900 is pulled or pushed by external force, the pulling force or pushing force applied to the lock bolt 100 is greater than the resistance of the limiting component 400, so that the lock bolt 100 rotates from the second locking position to the unlocking position, and the lock hook 200 can be disengaged from the limit of the lock bolt 100, and the door body 900 of the refrigerator opens.

[0166] The housing 500 is provided with a limiting component 400, which includes an elastic member 420 and a limiting member 410. The spring portion 422 of the elastic member 420 is in contact with the limiting member 410. The elastic force of the elastic member 420 maintains the limiting member 410 in the limiting position. During the rotation of the bolt 100 from the second locked position to the unlocked position, the bolt 100 must overcome the motion resistance provided by the elastic member 420 and the limiting member 410. The connection portion 421 of the elastic member 420 is connected to the housing 500 by plugging, providing a simple connection method. The limiting member 410 is provided with a limiting surface 413 that contacts and limits the inner surface of the shell 500, which can prevent the deflection angle of the limiting member 410 from being too large to interfere with the normal rotation of the lock bolt 100. An elastic member 420 is provided on the upper part of the limiting member 410. The elastic member 420 is fixed on the shell 500, and a positioning groove 560 for installing the elastic member 420 is provided on the shell 500, which can limit the elastic member 420 from falling out. The elastic member 420 is deformed and contacted with the limiting member 410, so that the limiting member 410 tends to contact the lock bolt 100.

[0167] In the closing process, the locking hook 200 contacts the locking bolt 100 and pushes the locking bolt 100 to rotate reversely, the locking bolt 100 presses the stepped surface 336 of the locking piece 330, the locking piece 330 moves downward to avoid the locking bolt 100, when the door body 900 is closed to a certain position, the locking bolt 100 slides into the groove of the locking piece 330, the locking piece 330 cooperates with the locking bolt 100 and limits the reverse rotation of the locking bolt 100, and the locking of the door body 900 and the cabinet body 800 is realized.

[0168] The first torsion arm 312 of the torsion spring cooperates with the stop block 520 of the shell 500, the stop block 520 limits the first torsion arm 312, and the torsion spring always normally outputs torque; the second torsion arm 313 of the torsion spring cooperates with the first groove body 121 and the second groove body 122 of the locking piece 330, and the locking block 550 limits the upper position of the locking piece 330, so that the locking bolt 100 is kept in the first locking position through the locking piece 330.

[0169] The refrigerator in the above embodiment, the door body 900 is limited by the limiting part 400 to be rotated greatly, when the door body 900 is pulled, a certain external force is output, the door body 900 can be ensured to be opened, the locking function and the limiting function are integrated, when the door body 900 in the limiting state is opened, the elastic piece output elastic force can be adjusted according to actual needs, the opening force of the door body 900 can be conveniently adjusted, and then the door opening force is adjusted.

[0170] The driving part 300, the limiting part 400 and the locking bolt 100 are integrated in the shell 500, the connection between the parts is more stable, installation is more convenient, the independent installation process of the limiting part 400 can be reduced, internal parts are arranged compactly and reasonably, and the overall function is more stable. On the premise of ensuring the heat preservation effect, the size and the installation process of the product meeting the function can be reduced, the overall size of the lock assembly is smaller, the occupation of the space of the heat preservation material of the refrigerator door body 900 and the cabinet body 800 is reduced, the space arrangement requirement is met, various specifications and thicknesses of the door body 900 can be met, and the possibility of condensation is reduced.

[0171] After the electromagnet of the lock assembly triggers unlocking, the limiting part 410 can hinder the rotation of the locking bolt 100, the locking bolt 100 is kept in the second locking position, the door body 900 is in the limiting state, and the door body 900 is prevented from being quickly opened and hitting the operator after the lock assembly is unlocked. The action time of the lock assembly can reach 0.1s, the process is low noise, and the reset time of the lock assembly is less than 0.1s.

[0172] The cabinet body or the door body of the electric appliance equipment in the third aspect embodiment of the present application is provided with the above-mentioned locking bolt, driving part and limiting part, the limiting regulation of the locking bolt is realized, then the regulation of the locking bolt and the locking hook is realized, the door opening regulation is realized, and the door opening process is more stable. The structure of the locking bolt, the driving part and the limiting part can be referred to the above content, and details are not repeated here.

[0173] The cabinet or door body may also be provided with the above-mentioned shell, unlocking member, embedded box and other components. For details, please refer to the above content and will not be repeated here.

[0174] The above embodiments are intended to illustrate the present invention only and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications, or equivalent substitutions of the technical solutions of the present invention do not depart from the spirit and scope of the technical solutions of the present invention and should be encompassed by the scope of the claims of the present invention.

Claims

1. A lock assembly, characterized in that: include: Lock bolts and shackles; a driving component for driving the locking bolt to switch from a first locking position to a second locking position, wherein the locking hook and the locking bolt are locked in the first locking position and the second locking position; a limiting component, adapted to limit the locking bolt to the second locking position; The locking bolt is adapted to be driven by an external force to switch from the second locking position to an unlocking position, wherein the locking hook is unlocked from the locking bolt in the unlocking position; wherein the second locking position is located between the first locking position and the unlocking position; The limiting component is adapted to generate elastic deformation, and the locking bolt is adapted to overcome the elastic resistance of the limiting component, and / or the limiting component releases the limit on the locking bolt through rotational movement or telescopic movement, so that the locking bolt switches between the second locked position and the unlocked position; The limiting component includes a limiting member and an elastic member connected to the limiting member. In the second locking position, the lock bolt contacts the limiting member to limit the position. The elastic member is adapted to generate elastic deformation to move the limiting member, so that the lock bolt overcomes the limiting force of the limiting member and moves to the unlocking position. It also includes a shell, one end of the elastic member is fixedly connected to the shell, the other end of the elastic member is in elastic contact with the limiting member, and the limiting member, the locking bolt and the driving component are all located in the shell.

2. The lock assembly according to claim 1, wherein: The elastic member includes a connecting portion and a spring portion connected to the connecting portion. The connecting portion is configured with a mounting slot. The connecting portion is plugged into at least one side wall of the housing through the mounting slot. The spring portion abuts against the limiting member.

3. The lock assembly according to claim 2, wherein: The end of the connecting portion facing away from the elastic sheet portion is provided with a folded edge, the housing is provided with a positioning groove, and the folded edge is plugged into the positioning groove.

4. The lock assembly according to claim 1, wherein: The limiting member includes a rotating portion and a limiting portion connected to the rotating portion, the limiting portion is in contact with the elastic member, and the rotating portion is rotatably connected to the shell. In the first locking position, the second locking position and the unlocking position, the rotating portion remains fixed. Between the second locking position and the unlocking position, the rotating portion is suitable for rotating relative to the shell in a direction to release the limit on the lock bolt and cause the elastic member to produce elastic deformation.

5. The lock assembly according to claim 4, wherein: The limiting portion is in linear contact with the lock bolt between the second locking position and the unlocking position.

6. The lock assembly according to claim 4, wherein: The limiting portion is provided with a limiting surface, and in the first locking position, the second locking position and the unlocking position, the limiting surface abuts against the housing to prevent the rotating portion from rotating; Between the second locking position and the unlocking position, the limiting surface releases the rotation limit on the rotating part.

7. The lock assembly according to any one of claims 1 to 6, characterized in that: The driving component includes a rotation driving component, an electric driving component and a locking component. The rotation driving component is used to drive the lock bolt to switch from the first locking position to the second locking position by rotation. The electric driving component is energized to drive the locking component to switch between the locking position and the release position. In the locked position, the locking component restricts the rotation of the lock bolt. In the unlocked position, the locking component releases the limit on the lock bolt.

8. The lock assembly according to claim 7, wherein: The rotating driving member is a torsion spring, which includes a spring body, a first torsion arm and a second torsion arm. The spring body is sleeved on the rotating shaft portion of the lock bolt, and the first torsion arm is limited to the fixed structure of the lock assembly; in the first locking position, the torsion spring is in an elastic deformation state, and the second torsion arm is limited to the first groove body of the lock bolt; in the second locking position, the second torsion arm is limited to the second groove body of the lock bolt.

9. The lock assembly according to claim 7, wherein: It also includes an unlocking member, and at least one of the unlocking member and the locking member is provided with an inclined surface, and the inclined surface forms an angle with the direction from the locking position to the release position. The unlocking member and the locking member are in contact and cooperate with each other through the inclined surface, and the unlocking member is suitable for manual movement to drive the locking member to move from the locking position to the release position.

10. The lock assembly according to claim 7, wherein: In the case where the lock assembly includes a housing, the locking member is in line contact or point contact with the housing, and an oil groove for containing lubricating oil is provided on the side of the housing that contacts the locking member.

11. An electrical device, characterized in that: It comprises a cabinet body, a door body and the lock assembly according to any one of claims 1 to 10, wherein one of the cabinet body and the door body is connected to the lock bolt, the driving component and the limiting component, and the other is connected to the lock hook.

12. The electrical device according to claim 11, characterized in that: The door body includes a main door and a secondary door, the main door is connected to the cabinet body in an openable and closable manner, the secondary door is connected to the main door in an openable and closable manner, one of the main door and the secondary door is connected to the lock bolt, the driving component and the limiting component, and the other is connected to the lock hook, and / or, one of the main door and the cabinet body is connected to the lock bolt, the driving component and the limiting component, and the other is connected to the lock hook.

13. The electrical device according to claim 11, characterized in that: In the case where the lock assembly includes a shell, an embedded box is provided on the outer side of the shell, and the embedded box is embedded in a foam layer in the cabinet body and the door body. The embedded box is provided with a limit block protruding along the length direction, and the limit block abuts against a frame in the cabinet body and the door body.

14. A door body of an electrical appliance, characterized in that: The door body is provided with: Lock bolt; a driving component for driving the locking bolt to switch from a first locking position to a second locking position, wherein the locking bolt is adapted to be locked with the locking hook in the first locking position and the second locking position; a limiting component, adapted to limit the locking bolt to the second locking position; The locking bolt is adapted to be driven by an external force to switch from the second locking position to an unlocking position, wherein the locking bolt is adapted to be unlocked from the locking hook in the unlocking position; wherein the second locking position is located between the first locking position and the unlocking position; The limiting component is adapted to generate elastic deformation, and the locking bolt is adapted to overcome the elastic resistance of the limiting component, and / or the limiting component releases the limit on the locking bolt through rotational movement or telescopic movement, so that the locking bolt switches between the second locked position and the unlocked position; The limiting component includes a limiting member and an elastic member connected to the limiting member. In the second locking position, the lock bolt contacts the limiting member to limit the position. The elastic member is adapted to generate elastic deformation to move the limiting member, so that the lock bolt overcomes the limiting force of the limiting member and moves to the unlocking position. The housing is provided with one end of the elastic member fixedly connected to the housing, and the other end of the elastic member is in elastic contact with the limiting member. The limiting member, the locking bolt and the driving member are all located in the housing.

15. A cabinet for electrical equipment, characterized in that: The cabinet is provided with: Lock bolt; a driving component for driving the locking bolt to switch from a first locking position to a second locking position, wherein the locking bolt is adapted to be locked with the locking hook in the first locking position and the second locking position; a limiting component, adapted to limit the locking bolt to the second locking position; The locking bolt is adapted to be driven by an external force to switch from the second locking position to an unlocking position, wherein the locking bolt is adapted to be unlocked from the locking hook in the unlocking position; wherein the second locking position is located between the first locking position and the unlocking position; The limiting component is adapted to generate elastic deformation, and the locking bolt is adapted to overcome the elastic resistance of the limiting component, and / or the limiting component releases the limit on the locking bolt through rotational movement or telescopic movement, so that the locking bolt switches between the second locked position and the unlocked position; The limiting component includes a limiting member and an elastic member connected to the limiting member. In the second locking position, the lock bolt contacts the limiting member to limit the position. The elastic member is adapted to generate elastic deformation to move the limiting member, so that the lock bolt overcomes the limiting force of the limiting member and moves to the unlocking position. The housing is provided with one end of the elastic member fixedly connected to the housing, and the other end of the elastic member is in elastic contact with the limiting member. The limiting member, the locking bolt and the driving member are all located in the housing.

Images