An electromagnetic lock on a delivery cabinet

What is AI technical title?
AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By improving the structural design of the electromagnetic lock for express delivery lockers and adopting a combination of U-shaped hook lock and electromagnet core, the problems of large lock volume, high cost and low reliability have been solved, and stable locking and safety protection under vibration conditions have been achieved.

CN224579203UActive Publication Date: 2026-07-31SHENZHEN LONGYUAN LOCK IND CO LTD

View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: SHENZHEN LONGYUAN LOCK IND CO LTD
Filing Date: 2025-08-13
Publication Date: 2026-07-31

AI Technical Summary

Technical Problem

Existing electromagnetic lockers for parcel lockers lack a good design in their locking structure, resulting in large lock bodies, high costs, low reliability, and easy failure when subjected to vibration, thus failing to effectively protect valuables.

Method used

An electromagnetic lock structure was designed, comprising a latch, lock body, U-hook lock, stop, electromagnetic coil, and micro switch. It achieves rapid locking and unlocking through the rotational positioning of the U-hook lock and the attraction and unlocking of the electromagnetic core. Combined with limit rivets and screw fixation, the stability of the locking structure is enhanced.

Benefits of technology

This design ensures that the lock body is less prone to failure under vibration conditions, guaranteeing the reliability and security of the lock. At the same time, it reduces the size and cost of the lock and improves the stability and security of the locking structure.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN224579203U_ABST

Patent Text Reader

Abstract

This utility model discloses an electromagnetic lock for a parcel locker. It relates to the field of electromagnetic lock products and includes a latch and a lock body. The lock body includes a front cover and a bottom cover. The bottom cover houses a U-shaped hook lock, a stop, an electromagnetic coil, and a micro switch. A limiting rivet is fixedly connected inside the bottom cover, and positioning rivets are fixedly connected to both sides of the limiting rivet. The U-shaped hook lock and the stop are both sleeved on the positioning rivets. The electromagnetic coil is installed at one end of the bottom cover, and a stopping rivet is fixedly connected to the side of the bottom cover closest to the electromagnetic coil. An electromagnet core is installed at one end of the electromagnetic coil. This electromagnetic lock for the parcel locker ensures that the lock body and latch will not shake or make abnormal noise due to wind, and that the latch can lock when there is external violent impact on the locker door, preventing damage to the lock body and the lock from being shaken open.

Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of electromagnetic lock products, specifically an electromagnetic lock for express delivery lockers. Background Technology

[0002] The electromagnetic lock on the express delivery locker is a device that uses electromagnetic force to control the door lock. It is mainly used in smart express delivery lockers, storage lockers and other scenarios, and features low voltage start-up and fast unlocking.

[0003] In existing technologies, when locking, in addition to the latch, other components are required to work together to limit the limit block. This structure results in more processing steps for the lock body, leading to a larger size, higher cost, lower reliability, and a lack of a good locking structure. Electromagnetic locks may fail to open when exposed to vibration, thus failing to effectively protect property. Utility Model Content

[0004] The purpose of this invention is to provide an electromagnetic lock for express delivery lockers to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an electromagnetic lock for a parcel locker, comprising a latch and a lock body. The lock body includes a front cover and a bottom cover. The bottom cover contains a U-shaped hook lock, a stop, an electromagnetic coil, and a micro switch. A limiting rivet is fixedly connected inside the bottom cover. Positioning rivets are fixedly connected to both sides of the limiting rivet on the bottom cover. The U-shaped hook lock and the stop are both sleeved on the positioning rivets. The electromagnetic coil is installed at one end of the bottom cover. A stopping rivet is fixedly connected to the side of the bottom cover near the electromagnetic coil. An electromagnet is installed at one end of the electromagnetic coil. A traction block is fixed at one end of the electromagnet. The traction block has a traction hole. An emergency rod is fixedly connected to one end of the stop. The emergency rod is inserted into the traction hole on the traction block. A pressing member is fixedly connected to one side of the U-shaped hook lock. The micro switch is fixed to one side of the pressing member.

[0006] In a preferred embodiment of this invention, the micro switch is fixed inside the bottom cover by two symmetrically arranged switch rivet posts. The micro switch is provided with a contact piece, and the micro switch is turned on when the pressing member squeezes the contact piece.

[0007] As a preferred embodiment of this utility model, the U-shaped hook lock includes an arc-shaped locking tongue and a locking part, and one side of the stop member is provided with a locking groove corresponding to the locking part.

[0008] As a preferred embodiment of this invention, a tower spring is fitted onto the electromagnet core, and the two ends of the tower spring are fixedly connected to the traction block and the base plate of the electromagnet core, respectively.

[0009] As a preferred embodiment of this utility model, the faceplate is provided with mounting holes corresponding to the positions of the limiting rivet, the positioning rivet, and the stopping rivet. Assembly screws are inserted into the mounting holes, and the limiting rivet, the positioning rivet, and the stopping rivet are all provided with screw holes corresponding to the assembly screws.

[0010] As a preferred embodiment of this utility model, the bottom cover is provided with a plurality of mounting screw grooves, which are arranged in a triangular pattern, and the top cover is provided with positioning holes corresponding to the mounting screw grooves, and mounting screws are inserted into the positioning holes.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] The electromagnetic lock on the express cabinet is installed on the cabinet door by a latch. When locking, the latch is pushed in and squeezes one end of the U-shaped hook lock to rotate around the positioning rivet. The U-shaped hook lock is positioned by the stop. At this time, the other end of the U-shaped hook lock rotates to restrict the latch and lock the cabinet.

[0013] When the electromagnetic lock on the express cabinet is unlocked, the electromagnetic coil is energized and generates magnetic force to attract the electromagnet core downwards. At the same time, the traction block is pulled down, which will pull the emergency rod. The emergency rod will drive the stop to move. At this time, the stop will disengage from the U-hook lock, making the U-hook lock unrestrained. The U-hook lock returns to its initial position, releasing the lock and thus unlocking.

[0014] The electromagnetic lock on this parcel locker ensures that the lock body and latch will not shake or make abnormal noise due to the wind, and the latch can lock when there is external violent impact on the locker door to prevent damage to the lock body and the lock from being shaken open. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of an electromagnetic lock on a parcel locker according to the present invention;

[0016] Figure 2 This is a schematic diagram of the split structure of an electromagnetic lock for a parcel locker according to the present invention;

[0017] Figure 3 This is a schematic diagram showing the unlocking state of an electromagnetic lock on a parcel locker according to the present invention.

[0018] Figure 4 This is a schematic diagram of the locked state of an electromagnetic lock on a parcel locker according to the present invention.

[0019] In the diagram: 1. Lock; 2. Lock body; 3. Face cover; 4. Bottom cover; 5. U-hook lock; 6. Stop; 7. Electromagnetic coil; 8. Micro switch; 9. Limit rivet; 10. Positioning rivet; 11. Stop rivet; 12. Electromagnetic core; 13. Traction block; 14. Emergency rod; 15. Pressing component; 16. Torsion spring; 17. Switch rivet post; 18. Contact piece; 19. Tower spring; 20. Assembly screw; 21. Mounting screw. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., 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 utility model 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 utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] Please see Figure 1-4This utility model provides an embodiment of an electromagnetic lock for a parcel locker, comprising a latch 1 and a lock body 2. The lock body 2 includes a front cover 3 and a bottom cover 4. The bottom cover 4 contains a U-shaped hook lock 5, a stop 6, an electromagnetic coil 7, and a micro switch 8. A limit rivet 9 is fixedly connected inside the bottom cover 4. Positioning rivets 10 are fixedly connected to both sides of the bottom cover 4 at the limit rivet 9. The U-shaped hook lock 5 and the stop 6 are both sleeved on the positioning rivets 10. The electromagnetic coil 7 is installed at one end of the bottom cover. A stop rivet 11 is fixedly connected to the side of the bottom cover near the electromagnetic coil 7. An electromagnet core 12 is installed at one end of the electromagnetic coil 7. A traction block 13 is fixed at one end of the electromagnet core 12. The traction block 13 has a traction hole. An emergency rod 14 is fixedly connected to one end of the stop 6. The emergency rod 14 is inserted into the traction block 13. Inside the traction hole on block 13, a pressing member 15 is fixedly connected to one side of the U-shaped hook lock 5. A micro switch 8 is fixed to one side of the pressing member 15. Specifically, the latch 1 is installed on the storage cabinet door. When locking, the latch 1 pushes in and squeezes one end of the U-shaped hook lock 5 to rotate around the positioning rivet 10. The U-shaped hook lock 5 is positioned by the stop member 6. At this time, the other end of the U-shaped hook lock 5 rotates to restrict the latch 1 and lock it. When unlocking, the electromagnetic coil 7 is energized and generates magnetic force to attract the electromagnet core 12 downward. At the same time, the traction block 13 is pulled down. The traction block 13 will pull the emergency rod 14. The emergency rod 14 drives the stop member 6 to move. At this time, the stop member 6 is disengaged from the U-shaped hook lock 5, so that the U-shaped hook lock 5 is no longer restricted. The U-shaped hook lock 5 returns to the initial position, releasing the latch 1 from idleness and unlocking.

[0024] In this embodiment, a torsion spring 16 is fitted on one of the positioning rivet posts 10. One end of the torsion spring 16 abuts against the bottom of the bottom cover 4, and the other end of the torsion spring 16 is fixedly connected to the U-shaped hook lock 5.

[0025] As a technical optimization of this utility model, the rebound torque of the torsion spring 16 can promote the fit and fixation between the stop 6 and the U-shaped hook lock 5, and avoid excessive gaps and abnormal noises.

[0026] In this embodiment, the micro switch 8 is fixed inside the bottom cover 4 by two symmetrically arranged switch rivet posts 17. The micro switch 8 is provided with a contact piece 18. When the pressing member 15 presses the contact piece 18, the micro switch 8 is turned on.

[0027] As a technical optimization of this utility model, when unlocking, the pressing member 15 presses against the contact piece 18, thereby activating the micro switch 8 and sending an opening signal.

[0028] In this embodiment, the U-shaped hook lock 5 includes an arc-shaped locking tongue and a locking part, and the stop member 6 has a locking groove on one side corresponding to the locking part.

[0029] As a technical optimization of this utility model, the snap-fit part fits into the inner wall of the slot to maintain the snap-fit fixation at the connection point.

[0030] In this embodiment, a tower spring 19 is sleeved on the electromagnet core 12, and the two ends of the tower spring 19 are fixedly connected to the traction block 13 and the base plate of the electromagnet core 12, respectively.

[0031] As a technical optimization of this utility model, when the electromagnet core 12 is de-energized, the rebound force of the tower spring 19 can cause the traction block 13 to extend.

[0032] In this embodiment, the cover 3 is provided with mounting holes corresponding to the positions of the limiting rivet 9, the positioning rivet 10 and the stopping rivet 11. Assembly screws 20 are inserted into the mounting holes. The limiting rivet 9, the positioning rivet 10 and the stopping rivet 11 are all provided with screw holes corresponding to the assembly screws 20.

[0033] As a technical optimization of this utility model, it can position the assembly cover 3 and limit the installation components on the limiting rivet 9, positioning rivet 10 and stopping rivet 11.

[0034] In this embodiment, the bottom cover 4 is provided with multiple mounting screw grooves, which are arranged in a triangular pattern. The top cover 3 is provided with positioning holes corresponding to the mounting screw grooves, and mounting screws 21 are inserted into the positioning holes.

[0035] As a technical optimization of this utility model, the mounting screws 21 are used to fix the faceplate 3, and the triangular arrangement provides higher stability.

[0036] The working principle of the electromagnetic lock on the express cabinet is described in detail below: First, the latch 1 is installed on the cabinet door. When locking, the latch 1 is pushed in and squeezes one end of the U-shaped hook lock 5 to rotate around the positioning rivet 10. The U-shaped hook lock 5 is positioned by the stop 6. At this time, the other end of the U-shaped hook lock 5 rotates to restrict the latch 1 and lock it. When unlocking, the electromagnetic coil 7 is energized and generates magnetic force to attract the electromagnet core 12 downward. At the same time, the traction block 13 is pulled down. The traction block 13 will pull the emergency rod 14. The emergency rod 14 drives the stop 6 to move. At this time, the stop 6 disengages from the U-shaped hook lock 5, so that the U-shaped hook lock 5 is no longer restricted. The U-shaped hook lock 5 returns to the initial position, releasing the latch 1 and unlocking it.

[0037] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An electromagnetic lock on a parcel locker, comprising a lock catch (1) and a lock body (2), characterized in that: The lock body (2) includes a face cover (3) and a bottom cover (4). The bottom cover (4) is provided with a U-shaped hook lock (5), a stop (6), an electromagnetic coil (7), and a micro switch (8). A limiting rivet (9) is fixedly connected inside the bottom cover (4). Positioning rivets (10) are fixedly connected on both sides of the bottom cover (4) at the limiting rivet (9). The U-shaped hook lock (5) and the stop (6) are both sleeved on the positioning rivets (10). The electromagnetic coil (7) is installed at one end of the bottom shell, and the bottom shell is close to the electromagnetic coil (7). A stop rivet (11) is fixedly connected to one side of the electromagnetic coil (7), an electromagnet core (12) is installed at one end of the electromagnetic coil (7), a traction block (13) is fixed at one end of the electromagnet core (12), a traction hole is provided on the traction block (13), an emergency rod (14) is fixedly connected to one end of the stop (6), the emergency rod (14) is inserted into the traction hole on the traction block (13), a pressing member (15) is fixedly connected to one side of the U-shaped hook lock (5), and a micro switch (8) is fixed to one side of the pressing member (15).

2. The electromagnetic lock on a delivery cabinet according to claim 1, wherein: One of the positioning rivets (10) is fitted with a torsion spring (16), one end of which abuts against the bottom of the bottom cover (4), and the other end of which is fixedly connected to a U-shaped hook lock (5).

3. The electromagnetic lock on a delivery cabinet according to claim 1, wherein: The micro switch (8) is fixed inside the bottom cover (4) by two symmetrically arranged switch rivet posts (17). The micro switch (8) is provided with a contact piece (18). When the pressing member (15) presses the contact piece (18), the micro switch (8) is turned on.

4. The electromagnetic lock on a delivery cabinet according to claim 1, wherein: The U-shaped hook lock (5) includes an arc-shaped locking tongue and a locking part, and the stop member (6) has a locking groove on one side corresponding to the locking part.

5. The electromagnetic lock on a delivery cabinet according to claim 1, wherein: A tower spring (19) is fitted on the electromagnet core (12), and the two ends of the tower spring (19) are fixedly connected to the traction block (13) and the base plate of the electromagnet core (12), respectively.

6. The electromagnetic lock on a delivery cabinet according to claim 1, wherein: The cover (3) is provided with mounting holes corresponding to the positions of the limiting rivet (9), the positioning rivet (10) and the stopping rivet (11). The mounting holes are provided with mounting screws (20). The limiting rivet (9), the positioning rivet (10) and the stopping rivet (11) are all provided with screw holes corresponding to the mounting screws (20).

7. The electromagnetic lock on a delivery cabinet according to claim 1, wherein: The bottom cover (4) is provided with multiple mounting screw grooves, which are arranged in a triangular pattern. The top cover (3) is provided with positioning holes corresponding to the mounting screw grooves, and mounting screws (21) are inserted into the positioning holes.