Door locks and washer

Abstract

This application relates to the field of door lock technology, and discloses a door lock and a washer-extractor. The door lock includes a housing, an operating mechanism, a lock cylinder mechanism, and a locking mechanism. The housing has an opening. The operating mechanism is located outside the housing and has a latch that can be rotated into the housing through the opening. The lock cylinder mechanism is located inside the housing and can abut against the latch that has been rotated into the housing. After abutment, when the latch rotates a corresponding angle in the inward direction, it blocks the latch's outward rotation path. The locking mechanism is fixed inside the housing and connected to the lock cylinder mechanism. When the latch causes the lock cylinder mechanism to rotate a corresponding angle, it locks the lock cylinder mechanism through electromagnetic force generated by electromagnetic induction, thus restricting the latch from rotating out. Upon receiving an external unlocking command, the lock cylinder mechanism is unlocked, allowing the latch to rotate out of the housing in the opposite direction to the inward rotation. The embodiments of this application can simplify the door lock structure and reduce the difficulty of user operation while maintaining good locking effect and stability.

Description

Technical Field

[0001] This application relates to the field of door lock technology, and in particular to a door lock and a washer-extractor. Background Technology

[0002] During normal washing and extraction operation, the washer door is connected to the main body of the washer via a door lock to prevent the door from being opened arbitrarily while the washer is in operation.

[0003] In related technologies, washer-extractor door locks generally use electromagnetic door locks. Electromagnetic door locks are controlled by electromagnetic induction to control the on and off of power. That is, an electromagnetic coil and a bimetallic strip are set inside the door lock housing. When energized, the electromagnetic coil generates magnetism, which connects one end of the bimetallic strip to the stationary contact, thereby realizing the locking action. When the magnetism disappears, the end of the bimetallic strip connected to the stationary contact disengages from the stationary contact, realizing the unlocking action.

[0004] However, in order to achieve better locking effect and stability, the door locks of washer-extractors in related technologies have the drawbacks of being too complex in structure and increasing the difficulty of operation for users. Summary of the Invention

[0005] The purpose of this application is to provide a door lock and washer-extractor that can simplify the door lock structure and reduce the difficulty of user operation while ensuring good locking effect and stability.

[0006] This application provides a door lock, including:

[0007] The casing has an opening;

[0008] An operating mechanism, located outside the housing, has a latch that can be rotated into the housing through the opening;

[0009] The lock cylinder mechanism, located inside the housing, can abut against the latch that has been turned into the housing. After abutting, when the latch rotates by a corresponding angle in the turning-in direction, it blocks the turning-out path of the latch.

[0010] A locking mechanism, fixed inside the housing and connected to the lock cylinder mechanism, locks the lock cylinder mechanism by electromagnetic force generated by electromagnetic induction when the latch causes the lock cylinder mechanism to rotate at a corresponding angle, thereby restricting the latch from turning out. Upon receiving an external unlocking command, the lock cylinder mechanism is unlocked, allowing the latch to turn out of the housing in the opposite direction to the turning direction.

[0011] In some embodiments, the operating mechanism further includes:

[0012] handle;

[0013] A connecting rod connects the latch and the handle respectively, so that the latch rotates with the handle.

[0014] In some embodiments, the lock cylinder mechanism includes:

[0015] The lock cylinder is rotatably assembled. When the door bolt rotates at a corresponding angle in the inward direction after it comes into contact with the door bolt, it blocks the outward path of the door bolt and triggers the locking mechanism to perform a locking operation.

[0016] The first locking component is movably assembled and connected to the locking mechanism. When the locking mechanism performs a locking operation, it is driven by the electromagnetic force generated by the locking mechanism through electromagnetic induction and displaced to the locking position. When it is displaced to the locking position, it locks the lock cylinder. When the locking mechanism ends the locking operation, it resets.

[0017] The second locking component is rotatably assembled and connected to the locking mechanism. When the first locking component is displaced to the locking position, it rotates by a corresponding angle and triggers the locking mechanism to maintain the locking operation. When the locking operation ends, it is driven and reset by the electromagnetic force generated by the locking mechanism through electromagnetic induction.

[0018] In some embodiments, the first locking member has a limiting hole, the lock cylinder and the second locking member are connected by a bushing, and the first locking member is inserted and assembled with the bushing through the limiting hole.

[0019] In some embodiments, the lock cylinder has a latch groove extending from an outer side to the inner side, a first abutment portion and a second abutment portion are formed on both sides of the latch groove, a third abutment portion is formed on the outer edge of the first abutment portion, and a fourth abutment portion is formed between the position opposite to the latch groove and the second abutment portion. When the latch is turned in, the fourth abutment portion abuts against the first abutment portion. After abutting against the latch, the fourth abutment portion abuts against the latch in the turning direction by a corresponding angle. When the latch rotates by a corresponding angle in the turning direction, the second abutment portion blocks the turning out path of the latch and abuts against and triggers the locking mechanism through the third abutment portion. After the first locking member is displaced, the fourth abutment portion abuts against the first locking member.

[0020] In some embodiments, the first locking member has a fifth abutment portion and a sixth abutment portion formed at both ends, a limiting slope is formed on the inner side of the fifth abutment portion, the locking mechanism is connected through the fifth abutment portion, the second locking member is abutted and locked by the fifth abutment portion before the locking mechanism performs the locking operation, and when the second locking member is displaced to the locking position, the second locking member is released to the limiting slope and abutted and locked by the side of the sixth abutment portion near the limiting hole.

[0021] In some embodiments, the second locking member has a seventh abutment portion at one end and is connected to the locking mechanism at the other end. An eighth abutment portion is formed at a distance from the inner side of the seventh abutment portion. A tension spring is connected to the second locking member, which can trigger the locking mechanism through the eighth abutment portion. The second locking member abuts against the first locking member through the seventh abutment portion. Before the first locking member is displaced to the locking position, it is subjected to the electromagnetic force generated by the locking mechanism through electromagnetic induction and does not trigger the locking mechanism. When the first locking member is displaced to the locking position, the tension of the tension spring triggers the locking mechanism.

[0022] In some embodiments, the locking mechanism includes:

[0023] Controller;

[0024] The first micro switch is triggered when the lock cylinder rotates at a corresponding angle with the latch, and when triggered, it causes the controller to generate a locking signal;

[0025] The second micro switch is triggered when the second locking member rotates at a corresponding angle, and when triggered, the controller maintains the generation of the locking signal;

[0026] A first electromagnet, connected to the first locking member, causes the first locking member to move to the locking position by electromagnetic force generated by electromagnetic induction when it receives the locking signal.

[0027] The second electromagnet, connected to the second locking member, drives the second locking member to reset via electromagnetic force generated by electromagnetic induction when the controller stops generating the locking signal.

[0028] In some embodiments, the door lock further includes:

[0029] The limiting wedge is fixed inside the housing and located beside the lock cylinder mechanism. At the end near the latch, a turning slope extending obliquely along the turning path of the latch is formed. When the latch is turned in, it provides damping through surface contact. A locking groove adapted to the shape of the latch is formed near the position where the latch is locked.

[0030] This application also provides a washer-extractor, including the aforementioned door lock.

[0031] The beneficial effects of this application are as follows: It is equipped with an operating mechanism, a lock cylinder mechanism, and a locking mechanism. By using the operating mechanism to turn the latch into contact with the lock cylinder mechanism, the lock cylinder mechanism can be rotated by a corresponding angle, which triggers the locking mechanism to lock the lock cylinder mechanism through electromagnetic force generated by electromagnetic induction. This lock cylinder mechanism restricts the latch from turning out. When the lock cylinder mechanism receives an external unlocking command, it unlocks, allowing the latch to turn out of the housing in the opposite direction to the turning direction. This simplifies the lock structure and reduces the difficulty of operation for users while ensuring good locking effect and stability. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the structure of a door lock provided in one embodiment of this application.

[0033] Figure 2 This is an exploded structural diagram of a door lock provided in one embodiment of this application.

[0034] Figure 3 This is an exploded structural diagram of the operating mechanism provided in one embodiment of this application.

[0035] Figure 4 This is a schematic diagram of the assembly structure of the lock cylinder mechanism and the locking mechanism provided in an embodiment of this application from two different perspectives.

[0036] Figure 5 This is a schematic diagram of the structure of a lock cylinder provided in one embodiment of this application.

[0037] Figure 6 This is a schematic diagram of the structure of the first locking member provided in an embodiment of this application.

[0038] Figure 7 This is a schematic diagram of the structure of the second locking member provided in an embodiment of this application.

[0039] Figure 8 This is a schematic diagram of the electrical structure of a locking mechanism provided in an embodiment of this application.

[0040] Figure 9 This is a schematic diagram of a partial assembly structure of a door lock provided in one embodiment of this application.

[0041] Figure 10 This is a schematic diagram of the structure of a washer provided in one embodiment of this application. Detailed Implementation

[0042] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0043] It should be noted that the terms "first," "second," "third," "fourth," etc. (if present) in the specification and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein.

[0044] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of this application only and is not intended to limit this application.

[0045] This application also provides a door lock.

[0046] See also Figure 1 and Figure 2 In one embodiment, the door lock includes a housing 1, an operating mechanism 2, a lock cylinder mechanism 3, and a locking mechanism 4. The housing 1 has an opening, the operating mechanism 2 is located outside the housing 1, and the lock cylinder mechanism 3 and the locking mechanism 4 are both located inside the housing 1. A mounting base 11 is provided inside the housing 1, and the lock cylinder mechanism 3 and the locking mechanism 4 are mounted on the mounting base 11.

[0047] The operating mechanism 2 has a latch 21 that can be rotated into the housing 1 through an opening. The lock cylinder mechanism 3 can abut against the latch 21 that is rotated into the housing 1. After abutment, when the latch 21 is rotated by a corresponding angle in the rotation direction, the rotation path of the latch 21 is blocked. The locking mechanism 4 is connected to the lock cylinder mechanism 3. When the latch 21 causes the lock cylinder mechanism 3 to rotate by a corresponding angle, the lock cylinder mechanism 3 is locked by electromagnetic force generated by electromagnetic induction, so that the lock cylinder mechanism 3 restricts the latch 21 from rotating out. When an external unlocking command is received, the lock cylinder mechanism 3 is unlocked, so that the latch 21 can rotate out of the housing 1 in the opposite direction to the rotation direction.

[0048] In one application scenario, the operating mechanism 2 is mounted on the door, and the housing 1 is mounted on the door frame. When the door is closed, the operating mechanism 2, the lock cylinder mechanism 3, and the locking mechanism 4 perform interlocking operations.

[0049] Specifically, when the latch 21 of the operating mechanism 2 is turned into the housing 1 and abuts against the lock cylinder mechanism 3, the lock cylinder mechanism 3 can continue to rotate at a corresponding angle along the turning direction with the latch 21. When the lock cylinder mechanism 3 rotates at a corresponding angle with the latch 21, the lock cylinder mechanism 3 blocks the turning path of the latch 21 and triggers the locking mechanism 4. The locking mechanism 4 locks the lock cylinder mechanism 3 through the electromagnetic force generated by electromagnetic induction, so that the lock cylinder mechanism 3 restricts the latch 21 from turning out, thus completing the interlocking operation. When an external unlocking command is received, the locking mechanism 4 releases the external force that locks the lock cylinder mechanism 3, so that the latch 21 can turn out of the housing 1 in the opposite direction to the turning direction, thus completing the unlocking operation.

[0050] The following description, in conjunction with specific embodiments, provides further details.

[0051] See also Figure 1 and Figure 3 The operating mechanism 2 also includes at least a handle 22 and a connecting rod 23.

[0052] The connecting rod 23 connects the latch 21 and the handle 22, allowing the latch 21 to rotate with the handle 22. The handle 22 is connected to one end of the connecting rod 23 via a copper nut sleeve, and the latch 21 is connected to the other end of the connecting rod 23. The latch 21 is also equipped with a copper sleeve. The handle 22 and the latch 21 are perpendicular to the connecting rod 23, and the handle 22 and the latch 21 are parallel to each other and face opposite directions.

[0053] In one application scenario, the connecting rod 23 is rotatably connected to the inside of the door, and the handle 22 and the latch 21 are located on the front and rear sides of the door, respectively. The user operates the handle 22 to rotate the latch 21.

[0054] See also Figure 1 , Figure 2 and Figure 4 The lock cylinder mechanism 3 includes a lock cylinder 31, a first locking element 32, and a second locking element 33.

[0055] The lock cylinder 31 is rotatably assembled, the first locking member 32 is movablely assembled, and the second locking member 33 is rotatably assembled. In a specific embodiment, the first locking member 32 has a limiting hole, and the lock cylinder 31 and the second locking member 33 are connected by a bushing, with the first locking member 32 inserted into the bushing through the limiting hole.

[0056] When the lock cylinder 31 abuts against the latch 21, the latch 21 rotates by a corresponding angle in the inward direction, blocking the outward path of the latch 21 and triggering the locking mechanism 4 to perform a locking operation. The first locking member 32 is connected to the locking mechanism 4. When the locking mechanism 4 performs a locking operation, it is driven by the electromagnetic force generated by the locking mechanism 4 through electromagnetic induction and displaced to the locked position. When it is displaced to the locked position, it locks the lock cylinder 31. When the locking mechanism 4 ends the locking operation, it resets. The second locking member 33 is connected to the locking mechanism 4. When the first locking member 32 is displaced to the locked position, it rotates by a corresponding angle and triggers the locking mechanism 4 to maintain the locking operation. When the locking operation ends, it is driven by the electromagnetic force generated by the locking mechanism 4 through electromagnetic induction and resets.

[0057] The lock cylinder 31 is rotatably connected to a bushing and fitted onto a mounting base 11 via the bushing. The mounting base 11 has a slot through which the latch 21, which rotates into the housing 1, passes and abuts against the lock cylinder 31. As the latch 21 rotates further in the inward direction, the lock cylinder 31 rotates accordingly until it follows the latch 21 to a corresponding angle. At this point, the lock cylinder 31 triggers the locking mechanism 4 to perform a locking operation, simultaneously blocking the latch 21's outward rotation path. The first locking member 32 is fitted into the bushing via a limiting hole. During movement, it is limited by the limiting hole and the bushing. When the lock cylinder 31 triggers the locking mechanism 4, the locking mechanism 4 uses electromagnetic force generated by electromagnetic induction to drive the first locking member 32 to the locked position. When the first locking member 32 reaches the locked position, it abuts against the lock cylinder 31 to lock the lock cylinder 31, preventing it from rotating in the outward rotation direction of the latch 21, thus locking the latch 21. The second locking member 33 is rotatably connected to the bushing where the lock cylinder 31 is located. Before the first locking member 32 is displaced to the locked position, it abuts against the second locking member 33 to prevent the second locking member 33 from triggering the locking mechanism 4. When the first locking member 32 is displaced to the locked position, the abutting position of the first locking member 32 changes due to the displacement, allowing the second locking member 33 to rotate by a corresponding angle and trigger the locking mechanism 4, thus maintaining the locking operation. When the locking operation ends, the locking mechanism 4 resets the first locking member 32 and drives the second locking member 33 to reset through electromagnetic force generated by electromagnetic induction. The first locking member 32 again abuts against the second locking member 33 to prevent it from triggering the locking mechanism 4. At the same time, the first locking member 32 releases the lock cylinder 31, allowing the latch 21 to rotate along the rotation direction and complete the unlocking when it rotates out of the housing 1.

[0058] See also Figure 1 , Figure 2 , Figure 4 and Figure 5 In one embodiment, the lock cylinder 31 has a latch groove 311 extending from the outer side to the inner side. A first abutment portion 312 and a second abutment portion 313 are formed on both sides of the latch groove 311. A third abutment portion 314 is formed on the outer edge of the first abutment portion 312. A fourth abutment portion 315 is formed between the position opposite to the latch groove 311 and the second abutment portion 313. When the latch 21 is turned in, the lock cylinder 31 abuts against the first abutment portion 312. After abutting against the latch 21, it rotates by a corresponding angle along the turning direction with the latch 21. When it rotates by a corresponding angle along the turning direction with the latch 21, the second abutment portion 313 blocks the turning path of the latch 21 and abuts against and triggers the locking mechanism 4 through the third abutment portion 314. After the first locking member 32 is displaced, it abuts against the first locking member 32 through the fourth abutment portion 315.

[0059] A through hole is formed near the center of the lock cylinder 31, through which a bushing is inserted and connected to rotatably mounted on the mounting base 11. The lock cylinder 31 is generally elliptical in structure. A latch groove 311 is formed on one of the outer sides of the lock cylinder 31. The latch groove 311 extends from the outer side to the interior of the lock cylinder 31 to accommodate the inserted latch 21. The left and right sidewalls of the latch groove 311 form a first abutment portion 312 and a second abutment portion 313, respectively. A third abutment portion 314 is formed on the outer edge of the first abutment portion 312. The first abutment portion 312 abuts against the inserted latch 21, the second abutment portion 313 abuts against the withdrawn latch 21 to restrict the latch 21 from withdrawing, and the third abutment portion 314 triggers the locking mechanism 4. Before the latch 21 is inserted into the housing 1, the lock cylinder 31 rotates to an angle where the latch 21 can be inserted into the latch groove 311. For example, a spring, in cooperation with the lock cylinder 31, pushes the lock cylinder 31 to an angle opposite to the opening direction of the latch groove 311. When the latch 21 is inserted into the latch groove 311, the latch 21 can abut against the first abutment part 312 and further rotate in the insertion direction, causing the lock cylinder 31 to rotate with the latch 21 until it rotates to the corresponding angle and triggers the locking mechanism 4 through the third abutment part 314. During unlocking, the lock cylinder 31 can either be reset as the latch 21 rotates out, or it can be reset under the action of the spring, allowing the latch 21 to rotate out of the housing 1.

[0060] A fourth abutment portion 315 is formed between the position opposite to the latch groove 311 and the second abutment portion 313 in the lock cylinder 31. When the lock cylinder 31 abuts against the first transmission member through the fourth abutment portion 315, it is restricted by the first transmission member and cannot be reset. When the locking mechanism 4 is triggered by the third abutment portion 314, the first transmission member moves to the locked position. For example, the first transmission member moves a corresponding distance closer to the lock cylinder 31 and abuts against the fourth abutment portion 315, preventing the lock cylinder 31 from being reset. The latch 21 is restricted by the second abutment portion 313 and cannot be turned out, thus locking the latch 21.

[0061] See also Figure 1 , Figure 2 , Figure 4 and Figure 6 In one embodiment, the first locking member 32 has a fifth abutment portion 321 and a sixth abutment portion 322 formed at both ends. A limiting slope 323 is formed on the inner side of the fifth abutment portion 321. The locking mechanism 4 is connected through the fifth abutment portion 321, and the first locking member 32 is fixed to the housing 1 through the sixth abutment portion 322 and a tension spring. Before the locking mechanism 4 performs the locking operation, the first locking member 32 abuts against and locks the second locking member 33 that has rotated to the point where the locking mechanism 4 has not been triggered by the fifth abutment portion 321. When the displacement reaches the locking position, the second locking member 33 is released to the limiting slope 323 and abuts against and locks the lock cylinder 31 through the side of the sixth abutment portion 322 near the limiting hole.

[0062] A limiting hole is formed near the center of the first locking member 32, through which it is inserted and assembled with the bushing connecting the lock cylinder 31 and the second locking member 33. The first locking member 32 is generally elongated, with a fifth abutment portion 321 and a sixth abutment portion 322 formed at its two ends, respectively. A limiting slope 323 is formed between the fifth abutment portion 321 and the limiting hole. The fifth abutment portion 321 is used to limit the second locking member 33 that has not triggered the locking mechanism 4, the sixth abutment portion 322 is used to limit the lock cylinder 31 after it has rotated a corresponding angle with the latch 21, and the limiting slope 323 is used to limit the second locking member 33 that has triggered the locking mechanism 4. The width of the limiting slope 323 gradually increases from the end away from the fifth abutment portion 321 to the end closer to the fifth abutment portion 321. Before the lock cylinder 31 triggers the locking mechanism 4, the first locking member 32 abuts against one end of the second locking member 33 through the side of the fifth abutment 321 near the sixth abutment 322, so as to restrict the second locking member 33 from rotating to trigger the locking mechanism 4, and there is a gap between the sixth abutment 322 and the lock cylinder 31, so as not to restrict the lock cylinder 31. When the lock cylinder 31 triggers the locking mechanism 4, the locking mechanism 4 generates a corresponding external force through electromagnetic induction, driving the first locking member 32 to move to the locked position. Once in the locked position, the first locking member 32 switches to abutting one end of the second locking member 33 via the limiting inclined surface 323. Since the width of the limiting inclined surface 323 is smaller at the end farther from the fifth abutment portion 321 and larger at the end closer to the fifth abutment portion 321, the limiting inclined surface 323 abuts against the second locking member 33, which has rotated by a corresponding angle and triggered the locking mechanism 4. Simultaneously, the sixth abutment portion 322 moves with the first locking member 32 to abut against the lock cylinder 31, thus restricting the lock cylinder 31 from rotating and resetting. During unlocking, the locking mechanism 4 removes the external force applied to the first locking member 32, and the first locking member 32 resets under the action of the tension spring.

[0063] See also Figure 1 , Figure 2 , Figure 4 and Figure 7 In one embodiment, the second locking member 33 has a seventh abutment portion 331 at one end and is connected to the locking mechanism 4 at the other end. An eighth abutment portion 332 is formed at intervals on the inner side of the seventh abutment portion 331. A tension spring is connected to the eighth abutment portion 332 to trigger the locking mechanism 4. The locking member 33 abuts against the first locking member 32 through the seventh abutment portion 331. Before the first locking member 32 is displaced to the locking position, it is not triggered by the electromagnetic force generated by the locking mechanism 4 through electromagnetic induction. When the first locking member 32 is displaced to the locking position, the tension of the tension spring triggers the locking mechanism 4.

[0064] A through hole is formed near the center of the second locking member 33, and a bushing is inserted through this through hole to rotatably mount it onto the mounting base 11. The second locking member 33 is generally arc-shaped, with a seventh abutment portion 331 formed at one end and the other end connected to the locking mechanism 4. When the first locking member 32 is moved to the locked position, the second locking member 33 can rotate around the through hole when driven by the electromagnetic force generated by the locking mechanism 4 through electromagnetic induction. After rotating by a corresponding angle, the locking mechanism 4 is triggered again and abuts against the first locking member 32 through the seventh abutment portion 331, and it stops rotating due to the limiting effect of the first locking member 32. An eighth abutment portion 332 is formed on the inner side of the seventh abutment portion 331 of the second locking member 33. When the second locking member 33 rotates by a corresponding angle, it abuts against the locking mechanism 4 through the eighth abutment portion 332 and triggers the locking mechanism 4.

[0065] See also Figure 1 , Figure 2 , Figure 4 and Figure 8 In one embodiment, the locking mechanism 4 includes a controller 41 and a first micro switch 42, a second micro switch 43, a first electromagnet 44, and a second electromagnet 45 electrically connected to the controller 41.

[0066] The first microswitch 42 is triggered when the lock cylinder 31 rotates a corresponding angle with the latch 21, causing the controller 41 to generate a locking signal. The second microswitch 43 is triggered when the second locking member 33 rotates a corresponding angle, causing the controller 41 to maintain the generation of the locking signal. The first electromagnet 44 is connected to the first locking member 32, and upon receiving the locking signal, uses electromagnetic induction to displace the first locking member 32 to the locked position. The second electromagnet 45 is connected to the second locking member 33, and uses electromagnetic induction to reset the second locking member 33 when the controller 41 stops generating the locking signal.

[0067] When the lock cylinder 31 rotates at a corresponding angle with the latch 21, the lock cylinder 31 abuts against the first micro switch 42, triggering the first micro switch 42 to close. The controller 41 detects the closure of the first micro switch 42 and generates a locking signal to the first electromagnet 44. Upon receiving the locking signal, the first electromagnet 44 uses electromagnetic induction to drive the first locking member 32 to the locked position. When the first locking member 32 reaches the locked position, the second locking member 33 rotates at a corresponding angle and abuts against the second micro switch 43. The second locking member 33 triggers the second micro switch 43, causing it to close. The controller 41 detects the closure of the second micro switch 43 and continues to generate a locking signal, keeping the first locking member 32 in the locked position. When unlocking, the controller 41 outputs corresponding control signals to the first electromagnet 44 and the second electromagnet 45, so that the first electromagnet 44 drives the first locking member 32 to reset, and the second electromagnet 45 drives the second locking member 33 to reset through the electromagnetic force generated by electromagnetic induction.

[0068] See also Figure 1 , Figure 2 and Figure 9 In one embodiment, the door lock also includes a limiting wedge 5.

[0069] The limiting wedge 5 is fixed inside the housing 1 and located beside the lock cylinder mechanism 3. The end of the limiting wedge 5 near the latch 21 is formed with a turning slope 51 that extends obliquely along the turning path of the latch 21. When the latch 21 is turned in, it provides damping through surface contact. A locking groove 52 that adapts to the shape of the latch 21 is formed near the position where the latch 21 is locked.

[0070] In one specific embodiment, the limiting wedge 5 is made of nylon.

[0071] The limiting wedge 5 is mounted on the mounting base 11 and faces the lock cylinder mechanism 3. It is used to provide damping through surface contact when the latch 21 is turned in, so that the user can intuitively feel the interlocking operation. The limiting wedge 5 is provided with a turning ramp 51. The width of the turning ramp 51 gradually increases from the position away from the center of the limiting wedge 5 to the position close to the center of the limiting wedge 5. When the latch 21 is turned into the housing 1 and contacts the limiting wedge 5, it first passes through the turning ramp 51 and continues to rotate along the turning ramp 51 until it abuts against the lock cylinder mechanism 3. The turning ramp 51 can provide assistance when the latch 21 is not aligned with the lock cylinder mechanism 3, so that the latch 21 gradually aligns with the lock cylinder mechanism 3 during the rotation. When the latch 21 rotates to lock the lock cylinder mechanism 3, the position of the latch 21 matches the opening position of the locking groove 52, so that the damping provided by the limit wedge 5 is reduced when the latch 21 is locked. The user can intuitively feel whether the interlocking operation has been completed by feeling the change in damping.

[0072] See also Figure 1 , Figure 2 and Figure 10 This application also provides a washer-extractor, which includes the aforementioned door lock, and the door lock is installed on the cover of the washer-extractor. The specific structure of the door lock is the same as described in the above embodiments. Since the washer-extractor provided in this application adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, and will not be described in detail here.

[0073] In summary, the door lock and washer-extractor provided in this application embodiment are equipped with an operating mechanism, a lock cylinder mechanism, and a locking mechanism. By using the operating mechanism to turn the latch into contact with the lock cylinder mechanism, the lock cylinder mechanism can be rotated by a corresponding angle, thereby triggering the locking mechanism to lock the lock cylinder mechanism through electromagnetic force generated by electromagnetic induction. This prevents the latch from turning out. When the lock cylinder mechanism receives an external unlocking command, it unlocks, allowing the latch to turn out of the housing in the opposite direction to the turning direction. This simplifies the door lock structure and reduces the difficulty of user operation while ensuring good locking effect and stability.

[0074] It should be understood that in this application, "at least one (item)" means one or more, and "more than" means two or more. "And / or" is used to describe the relationship between related objects, indicating that three relationships can exist. For example, "A and / or B" can represent three cases: only A exists, only B exists, and both A and B exist simultaneously, where A and B can be singular or plural. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship. "At least one (item) of the following" or similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one (item) of a, b, or c can represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, and c can be single or multiple.

[0075] The preferred embodiments of the present application have been described above with reference to the accompanying drawings, but this does not limit the scope of the claims of the present application. Any modifications, equivalent substitutions, and improvements made by those skilled in the art without departing from the scope and substance of the embodiments of the present application shall be within the scope of the claims of the present application.

Claims

1. A door lock, characterized in that, include: The casing has an opening; An operating mechanism, located outside the housing, has a latch that can be rotated into the housing through the opening; The lock cylinder mechanism, located inside the housing, can abut against the latch that has been turned into the housing. After abutting, when the latch rotates by a corresponding angle in the turning-in direction, the lock cylinder mechanism blocks the turning-out path of the latch. A locking mechanism, fixed inside the housing and connected to the lock cylinder mechanism, locks the lock cylinder mechanism by electromagnetic force generated by electromagnetic induction when the latch causes the lock cylinder mechanism to rotate at a corresponding angle, thereby restricting the latch from turning out. Upon receiving an external unlocking command, the lock cylinder mechanism is unlocked, allowing the latch to turn out of the housing in the opposite direction to the turning direction. The lock cylinder mechanism includes: The lock cylinder is rotatably assembled. After it comes into contact with the door latch, when the door latch rotates by a corresponding angle in the inward direction, the lock cylinder blocks the outward path of the door latch and triggers the locking mechanism to perform a locking operation. The door lock also includes: The first locking component is movably assembled and connected to the locking mechanism. When the locking mechanism performs a locking operation, it is driven by the electromagnetic force generated by the locking mechanism through electromagnetic induction and displaced to the locking position. When it is displaced to the locking position, it locks the lock cylinder. When the locking mechanism ends the locking operation, it resets. The second locking component is rotatably assembled and connected to the locking mechanism. When the first locking component is displaced to the locking position, it rotates by a corresponding angle and triggers the locking mechanism to maintain the locking operation. When the locking operation ends, it is driven by the electromagnetic force generated by the locking mechanism through electromagnetic induction and resets. The first locking member has a limiting hole. The first locking member has a fifth abutment portion and a sixth abutment portion formed at both ends. A limiting inclined surface is formed on the inner side of the fifth abutment portion. The locking mechanism is connected through the fifth abutment portion. Before the locking mechanism performs the locking operation, the second locking member is abutted and locked by the fifth abutment portion before it rotates to the locking mechanism without triggering it. When it is displaced to the locking position, the second locking member is released to the limiting inclined surface and abutted and locked by the side of the sixth abutment portion near the limiting hole.

2. The door lock according to claim 1, characterized in that, The operating mechanism further includes: handle; A connecting rod connects the latch and the handle respectively, so that the latch rotates with the handle.

3. The door lock according to claim 1, characterized in that, The lock cylinder and the second locking member are connected by a bushing, and the first locking member is inserted and assembled with the bushing through the limiting hole.

4. The door lock according to claim 1 or 3, characterized in that, The lock cylinder has a latch groove extending from the outer side to the inner side. A first abutment portion and a second abutment portion are formed on both sides of the latch groove. A third abutment portion is formed on the outer edge of the first abutment portion. A fourth abutment portion is formed between the position opposite to the latch groove and the second abutment portion. When the latch is turned in, the fourth abutment portion abuts against the first abutment portion. After abutting against the latch, the fourth abutment portion abuts against the first locking member. When the latch rotates by the corresponding angle along the turning direction, the second abutment portion blocks the turning path of the latch and abuts against and triggers the locking mechanism through the third abutment portion. After the first locking member is displaced, the fourth abutment portion abuts against the first locking member.

5. The door lock according to claim 1 or 3, characterized in that, The second locking member has a seventh abutment at one end and is connected to the locking mechanism at the other end. An eighth abutment is formed at intervals on the inner side of the seventh abutment. A tension spring is connected to the eighth abutment to trigger the locking mechanism. The locking member abuts against the first locking member through the seventh abutment. Before the first locking member is displaced to the locking position, it is not triggered by the electromagnetic force generated by the locking mechanism through electromagnetic induction. When the first locking member is displaced to the locking position, the tension of the tension spring triggers the locking mechanism.

6. The door lock according to claim 1 or 3, characterized in that, The locking mechanism includes: Controller; The first micro switch is triggered when the lock cylinder rotates at a corresponding angle with the latch, and when triggered, it causes the controller to generate a locking signal; The second micro switch is triggered when the second locking member rotates at a corresponding angle, and when triggered, the controller maintains the generation of the locking signal; A first electromagnet, connected to the first locking member, causes the first locking member to move to the locking position by electromagnetic force generated by electromagnetic induction when it receives the locking signal. The second electromagnet, connected to the second locking member, drives the second locking member to reset via electromagnetic force generated by electromagnetic induction when the controller stops generating the locking signal.

7. The door lock according to claim 1, characterized in that, Also includes: The limiting wedge is fixed inside the housing and located beside the lock cylinder mechanism. At the end near the latch, a turning slope extending obliquely along the turning path of the latch is formed. When the latch is turned in, it provides damping through surface contact. A locking groove adapted to the shape of the latch is formed near the position where the latch is locked.

8. A washer-extractor, characterized in that, Includes the door lock as described in any one of claims 1 to 7.

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