Door lock assembly and door box device

By designing the lock hook, locking element, and pushing element in the door lock assembly, and utilizing the conversion between locking torque and unlocking torque, the problem of high resistance when closing the door box equipment is solved, achieving the effects of automatic door opening and reduced closing resistance, thus improving user experience and security.

CN118065714BActive Publication Date: 2026-04-21NINGBO FOTILE KITCHEN WARE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NINGBO FOTILE KITCHEN WARE CO LTD
Filing Date
2024-01-23
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing door lockers require overcoming significant resistance when closing, impacting the user's closing experience. In particular, when the door automatically opens within a small angle range, the push rod mechanism extends, affecting aesthetics and increasing the difficulty of closing.

Method used

A door lock assembly was designed, including a lock hook, a locking component, and a pushing component. By converting the locking torque and unlocking torque, the door can be automatically pushed open to a certain angle when opening and the resistance can be reduced when closing. The automatic locking and unlocking of the door is achieved by the coordinated action of the reset component and the drive component.

Benefits of technology

It automatically pushes open the door when it is opened, reducing closing resistance and improving user experience. The structure is simple and reliable, integrating manual door lock and automatic door opening functions, improving both security and aesthetics.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to a door lock assembly and a door housing device, which can automatically open the door to a certain angle when opening and reduce the resistance the door needs to overcome when closing. The door lock assembly includes a lock hook and a locking mechanism, comprising a base, a locking member rotatably disposed on the base, and a pusher member slidably disposed on the base. The locking member has a rotation axis, a locking groove extending perpendicular to the rotation axis and matching the lock hook, a locking surface facing the locking groove, and an unlocking surface facing away from the locking groove. The locking surface and the unlocking surface extend gradually toward the pusher member in a direction parallel to the rotation axis. When the pusher member presses against the locking surface, it applies a locking torque to the locking member to drive the locking member to rotate forward and lock the lock hook in the locking groove. When the pusher member presses against the unlocking surface, it applies an unlocking torque in the opposite direction to the locking member to drive the locking member to rotate in the opposite direction and push the lock hook out of the locking groove.
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Description

Technical Field

[0001] This invention relates to the field of home appliance technology, and in particular to a door lock assembly and door box device. Background Technology

[0002] Door-mounted appliances such as washing machines and dishwashers are common household appliances. Typically, these appliances not only require a lock to secure the door, but also a push-rod mechanism to automatically open the door within a small angle range. However, existing push-rod mechanisms often result in an excessively long push-rod extension after opening the door, affecting aesthetics. Furthermore, during closing, the door must overcome both the push-rod force and the lock force, and this resistance increases as the opening angle decreases, significantly impacting the user's closing experience. Summary of the Invention

[0003] Therefore, in order to address the problem that existing door lock devices require overcoming significant resistance to close the door, this invention provides a door lock assembly and a door lock device that can automatically open the door to a certain angle when opening, while reducing the resistance required for the door to close, thereby improving the user experience.

[0004] In one embodiment of this application, the present invention provides a door lock assembly for being disposed between a door and a housing, comprising:

[0005] Lock hook; and

[0006] A locking mechanism includes a base, a locking member rotatably disposed on the base, and a pushing member slidably disposed on the base. The locking member has a rotation axis, a locking groove extending along a direction perpendicular to the rotation axis and matching the locking hook, a locking surface facing the locking groove, and an unlocking surface facing away from the locking groove. The locking surface and the unlocking surface extend gradually toward the pushing member along a direction parallel to the rotation axis. When the pushing member presses against the locking surface of the locking member, the pushing member applies a locking torque to the locking member to drive the locking member to rotate forward about the rotation axis and lock the locking hook in the locking groove. When the pushing member presses against the unlocking surface of the locking member, the pushing member applies an unlocking torque opposite to the direction of the locking torque to drive the locking member to rotate in the opposite direction about the rotation axis and push the locking hook out of the locking groove.

[0007] According to one embodiment of this application, the locking member includes a pivot portion providing the rotation axis, a protruding portion extending radially from the pivot portion, a hook portion extending circumferentially from the pivot portion toward the protruding portion, and an abutting portion extending circumferentially from the protruding portion; the protruding portion and the hook portion are spaced apart to form the locking groove; the abutting portion has a heart-shaped structure to provide the locking surface and the unlocking surface.

[0008] According to one embodiment of this application, the locking mechanism further includes a reset member and a drive member. The reset member is disposed between the base and the locking member and is used to apply a reset torque to the locking member in the opposite direction to the locking torque. The drive member is driven to be connected to the push member and is used to drive the push member to move closer to or away from the locking member.

[0009] According to one embodiment of this application, the reset element is a reset torsion spring.

[0010] According to one embodiment of this application, the pusher includes a sliding frame slidably disposed on the base along a direction parallel to the rotation axis, a pusher rod slidably disposed on the sliding frame and extending toward the locking member, and an elastic member disposed between the sliding frame and the base; the sliding frame slides toward the locking member under the elastic force of the elastic member, so as to drive the pusher rod to press against the locking surface or the unlocking surface of the locking member.

[0011] According to one embodiment of this application, the elastic element is a compression spring, one end of which abuts against the side of the sliding frame opposite to the locking element, and the other end of which is adjustablely abuts against the base.

[0012] According to one embodiment of this application, the push rod has a first push slope that matches the locking surface and a second push slope that matches the unlocking surface; when the door lock assembly is in the locked state, the first push slope of the push rod is abutted against the locking surface of the locking member; when the door lock assembly is in the unlocked state, the second push slope of the push rod is abutted against the unlocking surface of the locking member.

[0013] According to one embodiment of this application, the angle between the first jacking inclined surface and the rotation axis is smaller than the angle between the second jacking inclined surface and the rotation axis.

[0014] According to one embodiment of this application, the driving member includes a telescopic member mounted on the base, a slider drivenly connected to the telescopic member, and a connecting rod slidably disposed on the sliding frame along a direction perpendicular to the rotation axis; the push rod further has an unlocking slide extending obliquely relative to the rotation axis; one end of the connecting rod is slidably connected to the slider along a direction parallel to the rotation axis, and the other end of the connecting rod is slidably inserted into the unlocking slide of the push rod.

[0015] According to one embodiment of this application, the push rod further has a locking slide extending perpendicularly relative to the rotation axis, the locking slide communicating with one end of the unlocking slide away from the locking member.

[0016] According to another aspect of this application, one embodiment of this application further provides a door box device, including: a box body;

[0017] Door body; and

[0018] In any of the aforementioned door lock assemblies, the locking mechanism of the door lock assembly is disposed in the housing, and the lock hook of the door lock assembly is disposed in the door body.

[0019] In summary, when the door enclosure is in the open state, the pusher presses against the unlocking surface of the locking member, causing the opening of the locking groove to face the lock hook. If the user pushes the door to close it, the lock hook, driven by the door, extends into the locking groove and presses against the locking member, overcoming the unlocking torque applied by the pusher and causing the locking member to rotate forward around the rotation axis. This causes the pusher to slide along the unlocking surface towards the locking surface. Furthermore, when the pusher slides to the locking surface, it applies a locking torque opposite to the unlocking torque, not only avoiding resistance to the lock hook but also applying a pulling force to reduce closing resistance, thus locking the lock hook within the locking groove. In this way, the user only needs to apply a small pushing force to close the door enclosure.

[0020] Furthermore, when the door lock is closed, the pusher presses against the locking surface of the locking member, locking the lock hook within the locking groove. If the user attempts to open the door, they simply press the pusher against the unlocking surface, causing the locking member to rotate in the opposite direction around the rotation axis under the unlocking torque applied by the pusher. This automatically pushes open the lock hook within a certain angle range, disengaging it from the locking groove. In other words, the door lock assembly of this application has an integrated door lock and door-mounting structure, which is simple and reliable, and can achieve both manual door locking and pushing the door out at a certain angle. Attached Figure Description

[0021] Figure 1 This is a perspective view of a door box device according to an embodiment of this application;

[0022] Figure 2 A perspective view of a door lock assembly in a door box device according to the above embodiments of this application is shown;

[0023] Figure 3 An exploded view of a door lock assembly according to the above embodiments of this application is shown;

[0024] Figure 4 A perspective view of the locking element in the door lock assembly according to the above embodiments of this application is shown;

[0025] Figure 5 A schematic diagram showing the door lock assembly in a locked state according to the above embodiments of this application is illustrated.

[0026] Figure 6 A schematic diagram showing the door lock assembly in the unlocked state according to the above embodiments of this application is illustrated.

[0027] Figure 7 A schematic diagram of a door lock assembly according to the above embodiments of this application in a state between a locked state and an unlocked state is shown.

[0028] Figure 8 It shows Figure 7 An enlarged schematic diagram of part A in the door lock assembly shown.

[0029] Explanation of main component symbols: 1. Door lock assembly; 10. Locking mechanism; 11. Base; 12. Locking element; 1201. Rotation axis; 1202. Locking groove; 1203. Locking surface; 1204. Unlocking surface; 121. Rotating shaft; 122. Push-out part; 123. Hook part; 124. Abutting part; 13. Pushing element; 131. Sliding frame; 132. Push rod; 1321. First pushing slope; 1322. Second pushing slope; 1323. Unlocking slide; 1324. Locking slide; 133. Elastic element; 1330. Compression spring; 14. Reset element; 140. Reset torsion spring; 15. Driving element; 151. Telescopic device; 152. Slider; 153. Connecting rod; 20. Lock hook; 2. Box body; 3. Door body.

[0030] The above description of the main component symbols, together with the accompanying drawings and specific embodiments, provides a more detailed explanation of the present invention. Detailed Implementation

[0031] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of the present invention. However, the present invention can be practiced in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0032] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0033] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0034] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0035] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0036] While existing door lock devices can automatically open the door by pushing it open within a small angle range using a pushing mechanism, they require overcoming significant resistance to close. Therefore, this invention provides a door lock assembly and a door lock device that can automatically push the door open to a certain angle when opening, while reducing the resistance the door needs to overcome when closing, thus improving the user experience.

[0037] Specifically, see the attached document. Figure 1 As shown, one embodiment of this application provides a door enclosure device, which may include a housing 2 with an opening, a door 3 for closing the opening of the housing 2, and a door lock assembly 1 disposed between the housing 2 and the door 3. It is understood that the door enclosure device of this application may, but is not limited to, be implemented as a built-in dishwasher, a sink dishwasher, a washing machine, or a refrigerator; furthermore, the door enclosure device of this application may also, but is not limited to, include a functional body capable of performing functions such as dishwashing, washing, or refrigeration, which will not be elaborated further here.

[0038] More specifically, such as Figures 2 to 8 As shown, the door lock assembly 1 may include a locking mechanism 10 and a lock hook 20 for mounting on the door body 3. The locking mechanism 10 includes a base 11 for mounting on the housing 2, a locking member 12 rotatably disposed on the base 11, and a pusher member 13 slidably disposed on the base 11. The locking member 12 has a rotation axis 1201, a locking groove 1202 extending along a direction perpendicular to the rotation axis 1201 and matching the lock hook 20, a locking surface 1203 facing the locking groove 1202, and an unlocking surface 1204 facing away from the locking groove 1202. The locking surface 1203 and the unlocking surface 1204 extend gradually toward the pusher member 13 along a direction parallel to the rotation axis 1201. It is understood that in other examples of this application, the positions of the lock hook 20 and the lock mechanism 10 can be interchanged, that is, the lock hook 20 can be set in the box 2, and the lock mechanism 10 can be set in the door 3. This application will not elaborate further on this.

[0039] like Figure 5 As shown, when the pushing member 13 presses against the locking surface 1203 of the locking member 12, the pushing member 13 applies a locking torque to the locking member 12, thereby driving the locking member 12 to rotate forward around the rotation axis 1201 and locking the locking hook 20 in the locking groove 1202; as Figure 6 As shown, when the pushing member 13 presses against the unlocking surface 1204 of the locking member 12, the pushing member 13 applies an unlocking torque to the locking member 12 in the opposite direction to the locking torque, thereby driving the locking member 12 to rotate in the opposite direction around the rotation axis 1201 and pushing the lock hook 20 out of the locking groove 1202. It is understood that the forward rotation mentioned in this application refers to... Figure 4The counterclockwise rotation shown refers to the corresponding counterclockwise rotation, as indicated by... Figure 4 The clockwise rotation is shown.

[0040] It is worth noting that, such as Figures 5 to 7 As shown, when the door box device is in the open state, the pusher 13 presses against the unlocking surface 1204 of the locking member 12, so that the opening of the locking groove 1202 faces the lock hook 20; at this time, if the user pushes the door 3 to close the door, the lock hook 20 extends into the locking groove 1202 under the action of the door 3 and presses against the locking member 12, so as to overcome the unlocking torque applied by the pusher 13 to the locking member 12 and push the locking member 12 to rotate in the forward direction around the rotation axis 1201, so that the pusher 13... The pusher 13 slides along the unlocking surface 1204 toward the locking surface 1203; when the pusher 13 slides to the locking surface 1203, the pusher 13 will apply a locking torque to the locking member 12 in the opposite direction to the unlocking torque. It will not only not apply resistance to the lock hook 20, but will also apply a pulling force to the lock hook 20 in order to reduce the closing resistance, so that the lock hook 20 is locked in the locking groove 1202; in this way, the user only needs to apply a small pushing force to complete the closing operation of the door box device.

[0041] Similarly, when the door box device is in the closed state, the pusher 13 presses against the locking surface 1203 of the locking member 12, so that the lock hook 20 is locked in the locking groove 1202. At this time, if the user performs the door opening operation, he only needs to press the pusher 13 against the unlocking surface 1204. Under the unlocking torque applied by the pusher 13, the locking member 12 will rotate in the opposite direction around the rotation axis 1201, so as to automatically push open the lock hook 20 within a certain angle range, so that the lock hook 20 is disengaged from the locking groove 1202.

[0042] For example, such as Figure 3 and Figure 4 As shown, the locking member 12 may include a pivot portion 121 providing the rotation axis 1201, an ejector portion 122 extending radially from the pivot portion 121, a hook portion 123 extending circumferentially from the pivot portion 121 toward the ejector portion 122, and an abutment portion 124 extending axially from the ejector portion 122; the ejector portion 122 and the hook portion 123 are spaced apart to form the locking groove 1202; the abutment portion 124 has a heart-shaped structure to provide the locking surface 1203 and the unlocking surface 1204.

[0043] Thus, when the user pushes the door 3 to close the door, the lock hook 20, driven by the door 3, first contacts the protruding part 122 of the locking member 12 to overcome the unlocking torque applied by the push member 13 and push the locking member 12 to rotate forward around the rotation axis 1201, causing the lock hook 20 to slide into the locking groove 1202; at the same time, the push member 13 slides along the unlocking surface 1204 to the locking surface 1203; when the push member 13 slides to the locking surface 1203, the locking member 12 continues to rotate forward around the rotation axis 1201 under the locking torque applied by the push member 13, so that the hook 20 is pulled by the hook part 123 of the locking member 12, so that the lock hook 20 is locked in the locking groove 1202, completing the locking. It is understandable that a door seal is usually installed between the cabinet 2 and the door 3 in the door cabinet device to improve the sealing performance of the door cabinet, which means that it needs to overcome the elasticity of the door seal when closing the door; while the locking torque applied by the push member 13 to the locking member 12 in the door lock assembly 1 of this application can provide a door sealing force to overcome the elasticity of the door seal.

[0044] When the door is opened, the locking member 12 rotates in the opposite direction around the rotation axis 1201 under the unlocking torque applied by the push member 13, so that the locking member 12 pushes the locking hook 20 through the push-out part 122, so that the locking hook 20 disengages from the locking groove 1202 and completes the unlocking.

[0045] According to the above embodiments of this application, in order to achieve automatic unlocking of the door lock component 1, as follows: Figure 2 and Figure 3 As shown, the locking mechanism 10 may further include a reset member 14 and a drive member 15; the reset member 14 is disposed between the base 11 and the locking member 12, and is used to apply a reset torque to the locking member 12 in the opposite direction to the locking torque; the drive member 15 is driven to the push member 13, and is used to drive the push member 13 to move closer to or away from the locking member 12. It is understood that in other examples of this application, the door lock assembly 1 may not include the reset member 14, but instead the locking member 12 may be eccentrically positioned to achieve the required reset function by means of the weight of the locking member 12 itself, which will not be described in detail here.

[0046] Thus, as Figure 5 and Figure 7 As shown, when the door needs to be opened, the pusher 13, driven by the drive member 15, moves away from the locking surface 1203 of the locking member 12 to remove the locking torque applied to the locking member 12. This causes the locking member 12 to rotate in the opposite direction around the rotation axis 1201 under the reset torque applied by the reset member 14, pushing the lock hook 20 towards the opening of the locking groove 1202 via the push-out portion 122, and causing the unlocking surface 1204 of the locking member 12 to rotate to a position facing the pusher 13. At this time, as... Figure 6As shown, if the driving force applied to the pushing member 13 by the driving member 15 is removed, the pushing member 13 will press against the unlocking surface 1204 of the locking member 12 to apply an unlocking torque in the same direction as the reset torque. This causes the locking member 12 to continue to rotate in the opposite direction around the rotation axis 1201 under the combined action of the reset torque and the unlocking torque. This allows the locking member 12 to continue to push the lock hook 20 out of the locking groove 1202 through the push-out part 122. Thus, while unlocking is completed, the door body 3 is pushed out at a certain angle, making it easier for the door body 3 to automatically open under its own weight.

[0047] It is worth noting that when the unlocking surface 1204 of the locking member 12 rotates to the position facing the pushing member 13, if the driving member 15 drives the pushing member 13 in the opposite direction to increase the pushing force applied by the pushing member 13 to the unlocking surface 1204, the unlocking torque applied by the pushing member 13 to the locking member 12 will increase, so as to better push the lock hook 20 and ensure that the door body 3 is pushed out at a certain angle.

[0048] Furthermore, during the closing process, when the pusher 13 pushes against the locking surface 1203 of the locking member 12, the drive member 15 can also drive the pusher 13 in the opposite direction to increase the pushing force applied by the pusher 13 to the locking surface 1203, thereby increasing the locking torque applied by the pusher 13 to the locking member 12, so as to better pull the lock hook 20 to complete the locking, so that the door body 3 is automatically pulled back after being closed to a certain angle to complete the locking.

[0049] Optionally, such as Figure 3 , Figure 5 , Figure 6 as well as Figure 7 As shown, the reset element 14 is implemented as a reset torsion spring 140, which is fitted onto the rotating shaft portion 121. One end of the reset torsion spring 140 is limited to the base 11, and the other end is limited to the hook portion 123, so as to apply a reset torque to the locking element 12 through the torsion spring force. It is understood that the limiting connection mentioned in this application can be implemented as abutment, fixed connection, snap-fit ​​or plug-in connection, as long as the reset torsion spring 140 can apply the required reset torque to the locking element 12, which will not be elaborated further in this application; in addition, the reset element 14 of this application can also be implemented as a device such as a tension spring, compression spring, rubber strip or magnetic element that can provide the required reset function.

[0050] Optionally, such as Figures 2 to 7As shown, the pusher 13 includes a sliding frame 131 slidably disposed on the base 11 along a direction parallel to the rotation axis 1201, a pusher rod 132 slidably disposed on the sliding frame 131 and extending toward the locking member 12, and an elastic member 133 disposed between the sliding frame 131 and the base 11; the sliding frame 131 slides toward the locking member 12 under the elastic force of the elastic member 133, so as to drive the pusher rod 132 to press against the locking surface 1203 or the unlocking surface 1204 of the locking member 12, thereby applying a locking torque or unlocking torque to the locking member 12.

[0051] Optionally, such as Figures 3 to 7 As shown, the elastic element 133 is implemented as a compression spring 1330; one end of the compression spring 1330 abuts against the side of the sliding frame 131 opposite to the locking member 12, and the other end of the compression spring 1330 is adjustablely abutting against the base 11, so that a spring force towards the locking member 12 is applied to the sliding frame 131 by the compression spring 1330, and the preload of the compression spring 1330 can also be adjusted by adjusting the position of the other end of the compression spring 1330. It is understood that the elastic element 133 can also be implemented as a tension spring, one end of which is fixedly connected to the locking member 12, and the other end of which is fixedly connected to the base 11, as long as a spring force towards the locking member 12 can be applied to the sliding frame 131.

[0052] Optionally, such as Figure 3 and Figure 8 As shown, the push rod 132 has a first push ramp 1321 that matches the locking surface 1203 and a second push ramp 1322 that matches the unlocking surface 1204. Thus, as... Figure 5 As shown, when the door lock assembly 1 is in the locked state, the first pushing slope 1321 of the push rod 132 is in contact with the locking surface 1203 of the locking member 12; as Figure 6 As shown, when the door lock assembly 1 is in the unlocked state, the second pushing slope 1322 of the push rod 132 is in contact with the unlocking surface 1204 of the locking member 12.

[0053] Optionally, such as Figure 8As shown, the angle A between the first push-in inclined surface 1321 and the rotation axis 1201 is smaller than the angle B between the second push-in inclined surface 1322 and the rotation axis 1201, so that the unlocking surface 1204 of the locking member 12 can easily push the push rod 132 downward, while the locking surface 1203 of the locking member 12 has difficulty pushing the push rod 132 downward, which helps to improve the locking reliability of the door lock assembly 1. Thus, during the locking process, the unlocking surface 1204 of the locking member 12 can easily push the push rod 132 downward, so that after the locking member 12 flips, the first pushing slope 1321 of the push rod 132 presses against the locking surface 1203 of the locking member 12 to complete the locking; while during the unlocking process, the locking surface 1203 of the locking member 12 needs to be driven by the driving member 15 to push the push rod 132 downward, so that after the locking member 12 flips, the second pushing slope 1322 of the push rod 132 presses against the unlocking surface 1204 of the locking member 12 to complete the unlocking.

[0054] According to the above embodiments of this application, as Figure 2 , Figure 3 as well as Figure 5 As shown, the driving component 15 may include a telescopic member 151 mounted on the base 11, a slider 152 drivenly connected to the telescopic member 151, and a connecting rod 153 slidably disposed on the sliding frame 131 along a direction perpendicular to the rotation axis 1201. The push rod 132 further has an unlocking slide 1323 extending obliquely relative to the rotation axis 1201; one end of the connecting rod 153 is slidably connected to the slider 152 along a direction parallel to the rotation axis 1201, and the other end of the connecting rod 153 is slidably inserted into the unlocking slide 1323 of the push rod 132.

[0055] Thus, as Figure 5 and Figure 7As shown, when unlocking is required, simply control the telescopic device 151 to retract and pull back the slider 152. Then, the connecting rod 153 will slide to the right along the unlocking track 1323 under the pull of the slider 152, so that the push rod 132 slides relative to the sliding frame 131 and moves away from the locking surface 1203 of the locking member 12. At this time, the locking member 12 rotates in the opposite direction under the reset torque of the reset member 14, so that the unlocking surface 1204 of the locking member 12 rotates to the position corresponding to the push rod 132. Afterward, if the telescopic device 151 is extended to push out the slider 152, the connecting rod 153 will slide to the left along the unlocking track 1323 under the push of the slider 152, so that the push rod 132 slides relative to the sliding frame 131 and approaches the unlocking surface 1204 of the locking member 12 until it presses against the unlocking surface 1204 to complete the unlocking. It is understood that the telescopic device 151 mentioned in this application may be implemented as a telescopic cylinder or coil motor, etc., which can be controlled by pressing the unlock button, and this application will not elaborate further.

[0056] Optionally, such as Figure 3 and Figure 5 As shown, the push rod 132 further has a locking slide 1324 extending perpendicularly to the rotation axis 1201. The locking slide 1324 communicates with the end of the unlocking slide 1323 away from the locking member 12 to form a figure-eight slide. Thus, after the telescoping device 151 extends to push the connecting rod 153 from the unlocking slide 1323 into the locking slide 1324 via the slider 152, the push rod 132 is fixed relative to the sliding bracket 131 and held in a position close to the locking member 12 so as to reliably press against the locking surface 1203 of the locking member 12, providing a stable locking torque so that the door lock assembly 1 is stably held in the locked state.

[0057] It is worth noting that, since the pusher 13 and the locking member 12 of this application are in elastic contact rather than in rigid connection, during the closing process, even if the user accidentally places his hand between the door body 3 and the box body 2, the locking torque applied by the pusher 13 to the locking member 12 will not increase sharply as it would with a rigid connection because it comes from the elastic force provided by the elastic member 133 in the pusher 13. This will prevent the user's hand from being pinched and improve the safety performance of the door box device.

[0058] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0059] The above embodiments merely illustrate several implementation methods of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention.

Claims

1. A door lock assembly, for installation between a cabinet and a door, characterized in that, include: Lock hook; and The locking mechanism includes a base, a locking member rotatably disposed on the base, and a pushing member slidably disposed on the base; The locking member has a rotation axis, a locking groove extending in a direction perpendicular to the rotation axis and matching the locking hook, a locking surface facing the locking groove, and an unlocking surface facing away from the locking groove. The locking surface and the unlocking surface extend in a direction parallel to the rotation axis and gradually toward the pushing member. When the pushing member presses against the locking surface of the locking member, the pushing member applies a locking torque to the locking member, driving the locking member to rotate in the forward direction around the rotation axis and locking the lock hook in the locking groove; when the pushing member presses against the unlocking surface of the locking member, the pushing member applies an unlocking torque opposite to the locking torque to the locking member, driving the locking member to rotate in the reverse direction around the rotation axis and pushing the lock hook out of the locking groove. The pushing member includes a sliding frame slidably disposed on the base along a direction parallel to the rotation axis, a pushing rod slidably disposed on the sliding frame and extending toward the locking member, and an elastic member disposed between the sliding frame and the base; the pushing rod has a first pushing inclined surface matching the locking surface and a second pushing inclined surface matching the unlocking surface; the angle between the first pushing inclined surface and the rotation axis is smaller than the angle between the second pushing inclined surface and the rotation axis.

2. The door lock assembly according to claim 1, characterized in that, The locking member includes a pivot portion providing the axis of rotation, a protruding portion extending radially from the pivot portion, a hook portion extending circumferentially from the pivot portion toward the protruding portion, and an abutting portion extending circumferentially from the protruding portion; the protruding portion and the hook portion are spaced apart to form the locking groove; the abutting portion has a heart-shaped structure to provide the locking surface and the unlocking surface.

3. The door lock assembly according to claim 1 or 2, characterized in that, The locking mechanism further includes a reset member and a drive member. The reset member is disposed between the base and the locking member and is used to apply a reset torque to the locking member in the opposite direction to the locking torque. The drive member is driven to be connected to the push member and is used to drive the push member to move closer to or away from the locking member.

4. The door lock assembly according to claim 3, characterized in that, The reset element is a reset torsion spring.

5. The door lock assembly according to claim 3, characterized in that, The sliding bracket slides toward the locking member under the elastic force of the elastic member, thereby driving the push rod to press against the locking surface or the unlocking surface of the locking member.

6. The door lock assembly according to claim 5, characterized in that, The elastic element is a compression spring, one end of which abuts against the side of the sliding frame away from the locking element, and the other end of which is adjustablely abuts against the base.

7. The door lock assembly according to claim 5, characterized in that, When the door lock assembly is in the locked state, the first pushing slope of the pushing member is in contact with the locking surface of the locking member; when the door lock assembly is in the unlocked state, the second pushing slope of the pushing member is in contact with the unlocking surface of the locking member.

8. The door lock assembly according to claim 5, characterized in that, The driving component includes a telescopic device mounted on the base, a slider drivenly connected to the telescopic device, and a connecting rod slidably disposed on the sliding frame along a direction perpendicular to the rotation axis; the push rod further has an unlocking slide extending obliquely relative to the rotation axis; one end of the connecting rod is slidably connected to the slider along a direction parallel to the rotation axis, and the other end of the connecting rod is slidably inserted into the unlocking slide of the push rod.

9. The door lock assembly according to claim 8, characterized in that, The push rod further has a locking slide that extends perpendicularly to the axis of rotation, the locking slide being connected to the end of the unlocking slide away from the locking element.

10. A door-mounted equipment, characterized in that, include: Box; Door body; as well as The door lock assembly as described in any one of claims 1 to 9, wherein the locking mechanism of the door lock assembly is disposed in the housing, and the lock hook of the door lock assembly is disposed in the door body.

Citation Information

Patent Citations

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    CN117108147A