A lock

Abstract

The utility model discloses a lock, include: lock casing, lock hook and locking piece, lock hook and locking piece are all rotationally connected in lock casing, and the rotationally connected position of lock hook and locking piece all corresponded to be provided with torsion spring, and lock hook is used for with locking piece cooperation realizes locking, electromagnet, electromagnet sets up in lock casing, and electromagnet is provided with the electromagnetic coil in, and the electromagnetic coil is provided with the movement cooperation piece, and the movement cooperation piece is connected with lock hook, the top rod, and the top rod one end is provided with the guide plate, and the top rod has the guide plate one end sliding connection in lock casing, and the first spring is arranged between the guide plate and lock casing, and one end of first spring is in abutment with lock casing, and the other end of first spring is in abutment with guide plate, and the other end of top rod exposes in lock casing outside, and the guide plate and locking piece between movable connection have the detent block, and the locking piece partiality is provided with the notch of accommodating detent block.

Description

Technical Field

[0001] This utility model relates to the field of lock technology, specifically a lock. Background Technology

[0002] Currently, most electromagnetic locks on the market have significant security risks of false locking. During the locking operation, if the user mistakenly pushes the locking part of the lock body in alone, the locking part and the lock hook will not be fully engaged due to the lack of a dedicated locking and restraining structure. This will cause the lock to falsely indicate that it is "locked," but in reality, the lock has not been effectively locked. If the user mistakenly believes that the device is securely locked and leaves, it will lead to security risks such as theft of property. Utility Model Content

[0003] The purpose of this utility model is to overcome the security risks of existing locks having false locks, and to provide a new type of lock.

[0004] The objective of this utility model is mainly achieved through the following technical solutions: This application provides a lock, comprising: The lock housing, the lock hook, and the locking element are all rotatably connected inside the lock housing. The rotatable connection parts of the lock hook and the locking element are each equipped with a torsion spring. The lock hook is used to cooperate with the locking element to achieve locking. An electromagnet is installed in the lock housing, and an electromagnetic coil is installed inside the electromagnet. The electromagnetic coil is equipped with a moving fitting component, which is connected to the lock hook. The push rod has a guide plate at one end, and the end of the push rod with the guide plate is slidably connected to the lock housing. A first spring is provided between the guide plate and the lock housing. One end of the first spring abuts against the lock housing, and the other end of the first spring abuts against the guide plate. The other end of the push rod is exposed outside the lock housing. A locking block is movably connected between the guide plate and the locking component, and the locking component has a notch in place to accommodate the locking block. When unlocking, the locking element rotates clockwise, and the moving mating part pulls the lock hook to rotate clockwise, realizing the separation and unlocking of the lock hook and the locking element. After the lock hook and the locking element are separated and unlocked, the torsion spring of the locking element pushes the locking element to rotate counterclockwise so that the notch is aligned with the locking block. The first spring pushes the guide plate to slide to the left, so that the guide plate pushes the locking block into the notch, which is used to limit the rotation of the locking element to connect with the lock hook.

[0005] Furthermore, the locking part is partially recessed to form a notch, and the end of the locking block near the notch is provided with a first inclined end, the inclined surface of the first inclined end facing the clockwise movement direction of the notch; The locking block has a second inclined end near the guide plate. The inclined surface of the second inclined end faces the direction in which the guide plate slides to the left. The guide plate has a partial concave side near the top rod to form a supporting inclined surface, which is adapted to the inclined surface of the second inclined end.

[0006] Furthermore, the side of the first inclined end facing the counterclockwise direction of the notch is a flat surface.

[0007] Furthermore, the lock housing is provided with a groove for accommodating the locking block. The locking block is accommodated in the groove and protrudes towards the inner wall of the groove, avoiding the middle part of the first inclined end and the second inclined end, and extends to contact the inner wall of the groove.

[0008] Furthermore, the two ends of the chute are respectively provided with openings adapted to the first inclined end and the second inclined end. When the first inclined end slides out completely from the opening, the second inclined end slides into the groove completely. When the second inclined end slides completely out of the opening, the first inclined end slides completely into the groove.

[0009] Furthermore, the lock also includes a PCBA board, which is electrically connected to the electromagnet.

[0010] Furthermore, the lock also includes a first detection switch, which is located on the right side of the locking block and is electrically connected to the PCBA board. When the guide plate slides to the right, its outer wall presses against the first detection switch.

[0011] Furthermore, the lock also includes a second detection switch, which is located at the counterclockwise rotation path of the lock hook. When the lock hook rotates counterclockwise, its outer wall presses against the second detection switch.

[0012] Furthermore, the moving parts include a lock cylinder and a second spring. One end of the lock cylinder is inserted into the electromagnetic coil, and the other end is connected to the lock hook. The second spring is located between the lock cylinder and the electromagnetic coil.

[0013] Furthermore, the lock hook is connected to the lock cylinder via a connecting rod.

[0014] In summary, this utility model has the following advantages compared with the prior art: This product addresses the core vulnerability of traditional electromagnetic locks, which are prone to false locking due to the lack of a dedicated locking mechanism. Through the coordinated design of the locking block, guide plate, first spring, and notch in the locking element, a precise and reliable anti-false locking mechanism is constructed, completely eliminating the security risks caused by misjudgment of locking at the structural level. Specifically, in the unlocked state, the locking element rotates counterclockwise under the elastic force of its torsion spring, and its locally designed notch aligns precisely with the locking block. At this time, the first spring simultaneously pushes the guide plate to slide to the left, thereby causing the locking block to slide precisely into the notch of the locking element. If the user only wants to push the locking element to attempt engagement with the hook without pushing the push rod, the push rod will not cause the guide plate to slide to the right. This ensures that the locking block, constrained by the guide plate, remains engaged within the notch of the locking element, preventing the locking element from rotating to a position where it can engage with the hook. Thus, the hook and locking element cannot truly engage, fundamentally eliminating false locking. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present invention and form part of this application, do not constitute a limitation thereof. In the drawings: Figure 1 This is a structural diagram of the lock provided in this application when it is locked; Figure 2 The structural diagram of the lock provided in this application during unlocking; Figure 3 A schematic diagram of the locking element provided in this application; Figure 4 A schematic diagram of the card slot block provided in this application; Figure 5 A schematic diagram of the guide plate and top rod provided in this application; Figure 6 An exploded view of the lock provided in this application.

[0016] Figure Labels

[0017] 1-Lock housing; 2-Lock hook; 3-Locking component; 4-Torsion spring; 5-Electromagnet; 6-Electromagnetic coil; 7-Push rod; 8-Guide plate; 9-First spring; 10-Locking block; 11-Notch; 12-First inclined end; 13-Second inclined end; 14-Pushing inclined surface; 15-Slide groove; 16-PCBA board; 17-First detection switch; 18-Second detection switch; 19-Lock cylinder; 20-Second spring; 21-Connecting rod; 22-Lock bolt. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of this utility model are only used to explain this utility model and are not intended to limit this utility model.

[0019] In the description of this utility model, 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", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0020] 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 one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0021] In this utility model, 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 connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0022] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0023] Furthermore, the technical solutions of the various embodiments can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of this utility model.

[0024] In the following description, suffixes such as "module," "part," "component," or "unit" are used only for the purpose of describing this utility model and have no specific meaning in themselves. Therefore, they can be used in combination.

[0025] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0026] According to one embodiment of the present invention, such as Figures 1-6 As shown, a lock includes: The lock housing 1, the lock hook 2, and the locking member 3 are rotatably connected inside the lock housing 1. The rotatable connection parts of the lock hook 2 and the locking member 3 are respectively provided with torsion springs 4. The lock hook 2 is used to cooperate with the locking member 3 to achieve locking. Electromagnet 5 is installed in lock housing 1, and an electromagnetic coil 6 is installed inside the electromagnet 5. The electromagnetic coil 6 is equipped with a moving fitting, and the moving fitting is connected to the lock hook 2. The push rod 7 has a guide plate 8 at one end. The end of the push rod 7 with the guide plate 8 is slidably connected to the lock housing 1. A first spring 9 is provided between the guide plate 8 and the lock housing 1. One end of the first spring 9 abuts against the lock housing 1, and the other end of the first spring 9 abuts against the guide plate 8. The other end of the push rod 7 is exposed outside the lock housing 1. A locking block 10 is movably connected between the guide plate 8 and the locking member 3, and the locking member 3 is partially provided with a notch 11 to accommodate the locking block 10; When unlocking, the locking member 3 rotates clockwise, and the moving mating part pulls the locking hook 2 to rotate clockwise, realizing the separation and unlocking of the locking hook 2 and the locking member 3. After the locking hook 2 and the locking member 3 are separated and unlocked, the torsion spring 4 of the locking member 3 pushes the locking member 3 to rotate counterclockwise so that the notch 11 is aligned with the locking block 10. The first spring 9 pushes the guide plate 8 to slide to the left, so that the guide plate 8 pushes the locking block 10 to slide into the notch 11, thereby restricting the locking member 3 from rotating to connect with the locking hook 2.

[0027] In this embodiment, the lock is applicable to various carriers requiring push-pull opening and closing, specifically sliding doors in architectural settings, sliding cabinets in home storage settings, and sliding boxes in portable storage settings. It can also be extended to sliding doors of equipment requiring locking control in industrial settings, sliding shelves in warehouses, etc. Any structure that achieves opening and closing through a push-pull action and requires a locking function is compatible with this lock. For example... Figure 1As shown, when locked, the lock hook 2 engages with the locking member 3 (i.e., the hook head of the lock hook 2 engages with the hook head of the locking member 3), and simultaneously, the bolt 22 on the outside of the lock housing 1 is inserted into the lock housing 1 and locked in a locked state; please refer to the following: Figure 1 and Figure 2 The unlocking process is as follows: When the user triggers an unlocking command (such as inserting a key, pressing the unlock button, entering a password, swiping a card, or remote control), the lock will energize the electromagnet 5. The electromagnet 5 transmits electrical energy to the electromagnetic coil 6, generating a magnetic field that attracts the moving parts, causing the lock cylinder 19 to overcome the elastic force of the second spring 20 and move towards the electromagnetic coil 6. This, in turn, causes the lock hook 2 to rotate clockwise around its rotating part, thus separating the lock hook 2 from the locking member 3. After the lock hook 2 is completely separated from the locking member 3, the torsion spring 4 of the locking member 3 releases its elastic potential energy, pushing... The moving locking member 3 rotates counterclockwise until the notch 11 is aligned with the locking block 10. At the same time, the bolt 22 is pushed out from inside the lock housing 1 to unlock the lock and the bolt 22. At this time, the first spring 9 between the guide plate 8 and the lock housing 1 returns to its original deformation, pushing the guide plate 8 to slide to the left along the inside of the lock housing 1. The guide plate 8 slides upward into the notch 11 of the locking member 3 by pressing against the locking block 10. Finally, the locking member 3 is restricted from rotating by the engagement of the locking block 10 and the notch 11, preventing it from returning to the position connected to the lock hook 2, and ensuring a stable unlocking state.

[0028] The locking process is as follows: The user locks the door by pulling the door panel. When the door is pulled to the appropriate position, the bolt 22 will push the locking member 3 to rotate clockwise around its rotating part. At the same time, external objects (such as door frame, box frame or shelf frame, etc.) will squeeze and push the top rod 7 to drive the guide plate 8 to slide to the right. At this time, the locking block 10 slides down into the guide plate 8 under the push of the outer wall of the notch 11. Then, the lock hook 2 rotates counterclockwise under the elastic force of its torsion spring 4 to engage with the locking member 3. At the same time, the bolt 22 is reinserted into the lock housing 1 to lock the door.

[0029] The principle of its anti-false lock is as follows: If the user wants to push the locking part 3 with the bolt 22 to try to engage with the hook 2 without pushing the push rod 7, the push rod 7 will not drive the guide plate 8 to slide to the right. As a result, the locking block 10 will always be locked in the notch 11 of the locking part 3 under the restriction of the guide plate 8, which restricts the locking part 3 from rotating to the position where it can engage with the hook 2. The hook 2 and the locking part 3 cannot be truly engaged, thus fundamentally eliminating the false lock phenomenon.

[0030] In one possible implementation, the locking member 3 is partially recessed to form a notch 11, and the locking block 10 is provided with a first inclined end 12 at one end near the notch 11, with the inclined surface of the first inclined end 12 facing the clockwise direction of the notch 11. The locking block 10 is provided with a second inclined end 13 at one end near the guide plate 8. The inclined surface of the second inclined end 13 faces the direction of the guide plate 8 sliding to the left. The guide plate 8 is partially recessed on the side near the top rod 7 to form a supporting inclined surface 14, which is adapted to the inclined surface of the second inclined end 13.

[0031] In this embodiment, when the unlocking operation is performed, the guide plate 8 slides to the left under the action of the first spring 9. The top holding slope 14 of the guide plate 8 contacts the slope of the second inclined end 13 of the locking block 10. Since the two slopes are adapted, the top holding slope 14 generates a pushing force on the second inclined end 13, causing the locking block 10 to slide smoothly upward, ensuring that the first inclined end 12 slides accurately into the notch 11 of the locking member 3. When locking, the guide plate 8 slides to the right, and the locking block 10 slides down under the pressure of the notch 11 of the locking member 3, causing the first inclined end 12 to disengage from the notch 11. Subsequently, under the support of the outer wall of the locking member 3, the slope of the second inclined end 13 slides down to firmly abut against the top holding slope 14. The beveled design of the first inclined end 12 reduces friction with the edge of the notch 11, preventing the locking block 10 from getting stuck when sliding. Similarly, the beveled designs of the second inclined end 13 and the top holding inclined surface 14 significantly reduce the frictional resistance when they come into contact, reducing component wear. This ensures that the first inclined end 12 is accurately aligned with the notch 11 of the locking member 3 and slides in smoothly, thereby achieving reliable engagement between the locking block 10 and the notch 11, further ensuring the smoothness of the unlocking operation and the accuracy of the locking limit.

[0032] In one possible implementation, the side of the first inclined end 12 facing the counterclockwise direction of the notch 11 is a flat surface.

[0033] In this embodiment, even if the locking member 3 is subjected to external vibration or slight impact and has a tendency to rotate counterclockwise, the flat surface of the first inclined end 12 can form a stable surface-to-surface contact with the inner wall of the notch 11, preventing the first inclined end 12 from slipping out of the notch 11 and greatly improving the limiting stability of the locking member 3 by the locking block 10.

[0034] In one possible implementation, the lock housing 1 is provided with a groove 15 for accommodating the locking block 10. The locking block 10 is accommodated in the groove 15. The locking block 10 protrudes towards the inner wall of the groove 15, avoiding the middle part of the first inclined end 12 and the second inclined end 13, and extends to contact the inner wall of the groove 15.

[0035] In this embodiment, the slide groove 15 provides precise guidance for the sliding of the locking block 10, preventing the locking block 10 from shifting or tilting during its up-and-down sliding. The protruding structure in the middle of the locking block 10 forms a sliding fit with the inner wall of the slide groove 15. On the one hand, this restricts the sliding direction of the locking block 10, ensuring that it can only move along the vertical direction of the slide groove 15, and ensuring that the first inclined end 12 can be accurately aligned with the notch 11 of the locking member 3. On the other hand, the contact between the protruding structure and the inner wall of the slide groove 15 can disperse the force on the locking block 10 during sliding, reducing frictional wear between the first inclined end 12 and the second inclined end 13 and other components, and extending the service life of the locking block 10. At the same time, the protruding structure can also prevent the locking block 10 from falling out of the slide groove 15, improving the stability of component assembly.

[0036] In one possible implementation, the two ends of the slide 15 are respectively provided with openings that adapt to the first inclined end 12 and the second inclined end 13. When the first inclined end 12 slides out completely from the opening, the second inclined end 13 slides completely into the groove 15. When the second inclined end 13 slides completely out of the opening, the first inclined end 12 slides completely into the groove 15.

[0037] In this embodiment, the openings at both ends of the slide groove 15 provide dedicated channels for the sliding of the first inclined end 12 and the second inclined end 13, ensuring that the two ends do not interfere with the ends of the slide groove 15 during movement. When the unlocking operation is performed, the first spring 9 pushes the guide plate 8 to slide to the left. The guide plate 8 pushes the locking block 10 upward through the supporting inclined surface 14. At this time, the first inclined end 12 gradually slides out from the opening at one end of the slide groove 15. Simultaneously, the second inclined end 13 gradually slides completely into the slide groove 15 until the first inclined end 12 accurately slides into the notch 11 of the locking member 3, thereby limiting the locking member 3. The adaptability design of the openings ensures the smoothness of the sliding action of the first inclined end 12 and avoids interference. The device is stuck. During the locking operation, the user pushes the top rod 7 to slide the guide plate 8 to the right. The holding force of the guide plate 8 on the locking block 10 disappears, and the outer wall of the notch 11 of the locking member 3 presses against the first inclined end 12, causing the locking block 10 to move downward. At this time, the second inclined end 13 gradually slides out from the opening at the other end of the slide groove 15, and the first inclined end 12 gradually slides completely into the slide groove 15 until the locking block 10 is completely separated from the notch 11, creating conditions for the rotation of the locking member 3 and subsequent engagement with the lock hook 2.

[0038] In one possible implementation, the lock also includes a PCBA board 16, which is electrically connected to the electromagnet 5.

[0039] In this embodiment, PCBA board 16 provides control signals for energizing and de-energizing electromagnet 5. When the user triggers an unlocking command (such as inserting a key, pressing the unlocking button, entering a password, swiping a card, or remote control), the lock outputs an energizing signal to electromagnet 5 through PCBA board 16, causing the electromagnetic coil 6 inside electromagnet 5 to generate a magnetic field, which in turn attracts the moving parts to drive the lock hook 2 to rotate, thus unlocking. When unlocking is completed or the user triggers a locking command, PCBA board 16 stops outputting signals to electromagnet 5, electromagnet 5 is de-energized, the magnetic field of electromagnetic coil 6 disappears, and the moving parts drive the lock hook 2 to reset under the action of the reset component, providing conditions for locking operation.

[0040] In one possible implementation, the lock also includes a first detection switch 17, which is located on the right side of the locking block 10 and is electrically connected to the PCBA board 16. When the guide plate 8 slides to the right, its outer wall presses against the first detection switch 17.

[0041] In this embodiment, when the user pushes the top rod 7 to perform the locking operation, the top rod 7 drives the guide plate 8 to slide to the right. When the guide plate 8 slides to the preset position, its outer wall presses the contact of the first detection switch 17. The first detection switch 17 sends an electrical signal to the PCBA board 16. After receiving the signal, the PCBA board 16 determines that the locking block 10 has completely disengaged from the notch 11 and meets the locking conditions.

[0042] In one possible implementation, the lock also includes a second detection switch 18, which is located at the counterclockwise rotation path of the lock hook 2. When the lock hook 2 rotates counterclockwise, its outer wall presses against the second detection switch 18.

[0043] In this embodiment, during the locking process, when the lock hook 2 rotates counterclockwise under the elastic force of the torsion spring 4 until it is fully engaged with the locking member 3, the outer wall of the lock hook 2 will press the contact of the second detection switch 18. The second detection switch 18 sends an electrical signal to the PCBA board 16. After receiving the signal, the PCBA board 16 determines that the lock has been effectively locked.

[0044] In one possible implementation, the motion mating component includes a lock cylinder 19 and a second spring 20. One end of the lock cylinder 19 is inserted into the electromagnetic coil 6, and the other end is connected to the lock hook 2. The second spring 20 is disposed between the lock cylinder 19 and the electromagnetic coil 6.

[0045] In this embodiment, when the electromagnet 5 is energized, the magnetic field generated by the electromagnetic coil 6 attracts the lock core 19, causing the lock core 19 to slide towards the electromagnetic coil 6 against the elastic force of the second spring 20. The lock core 19 drives the lock hook 2 connected to it to rotate clockwise around the rotating part, thereby realizing the separation and unlocking of the lock hook 2 and the locking member 3.

[0046] In one possible implementation, the lock hook 2 is connected to the lock cylinder 19 via the connecting rod 21.

[0047] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A lock, characterized in that, include: The lock includes a lock housing, a lock hook, and a locking element. The lock hook and the locking element are rotatably connected inside the lock housing. A torsion spring is provided at the rotatable connection points of the lock hook and the locking element. The lock hook is used to cooperate with the locking element to achieve locking. An electromagnet is disposed in a lock housing, and an electromagnetic coil is disposed inside the electromagnet. The electromagnetic coil is provided with a moving engagement component, and the moving engagement component is connected to the lock hook. A push rod, one end of which is provided with a guide plate, the end of the push rod with the guide plate is slidably connected to the lock housing, a first spring is provided between the guide plate and the lock housing, one end of the first spring abuts against the lock housing, the other end of the first spring abuts against the guide plate, and the other end of the push rod is exposed outside the lock housing; A locking block is movably connected between the guide plate and the locking member, and the locking member is partially provided with a notch to accommodate the locking block; When unlocking, the locking member rotates clockwise, and the moving mating member pulls the lock hook to rotate clockwise, thereby separating and unlocking the lock hook from the locking member. After the lock hook is separated and unlocked, the torsion spring of the locking member pushes the locking member to rotate counterclockwise so that the notch is aligned with the locking block. The first spring pushes the guide plate to slide to the left, so that the guide plate pushes the locking block into the notch, thereby restricting the locking member from rotating to connect with the lock hook.

2. The lock according to claim 1, characterized in that, The locking member is partially recessed to form the notch, and the locking block is provided with a first inclined end near the notch, with the inclined surface of the first inclined end facing the clockwise movement direction of the notch; The locking block has a second inclined end near the guide plate. The inclined surface of the second inclined end faces the direction in which the guide plate slides to the left. The guide plate has a partial concave side near the top rod to form a supporting inclined surface, which is adapted to the inclined surface of the second inclined end.

3. A lock according to claim 2, characterized in that, The side of the first inclined end facing the counterclockwise direction of the notch is a flat surface.

4. A lock according to claim 3, characterized in that, The lock housing is provided with a groove for accommodating the locking block. The locking block is accommodated in the groove. The locking block protrudes towards the inner wall of the groove, avoiding the middle part of the first inclined end and the second inclined end, and extends to contact the inner wall of the groove.

5. A lock according to claim 4, characterized in that, The two ends of the chute are respectively provided with openings that are adapted to the first inclined end and the second inclined end. When the first inclined end completely slides out of the opening, the second inclined end completely slides into the groove; When the second inclined end completely slides out of the opening, the first inclined end completely slides into the groove.

6. A lock according to claim 1, characterized in that, The lock also includes a PCBA board, which is electrically connected to the electromagnet.

7. A lock according to claim 6, characterized in that, The lock also includes a first detection switch, which is located on the right side of the locking block and is electrically connected to the PCBA board. When the guide plate slides to the right, its outer wall presses against the first detection switch.

8. A lock according to claim 7, characterized in that, The lock also includes a second detection switch, which is located at the counterclockwise rotation path of the lock hook. When the lock hook rotates counterclockwise, its outer wall presses against the second detection switch.

9. A lock according to claim 1, characterized in that, The moving engagement component includes a lock cylinder and a second spring. One end of the lock cylinder is inserted into the electromagnetic coil, and the other end is connected to the lock hook. The second spring is disposed between the lock cylinder and the electromagnetic coil.

10. A lock according to claim 9, characterized in that, The lock hook is connected to the lock cylinder via a connecting rod.

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