Rapidly-unlocked electromagnetic attraction lock

Abstract

The utility model belongs to the technical field of locks, and provides a quick-unlocking electromagnetic attraction lock which comprises a shell, an electromagnet is arranged in the shell, the electromagnet is connected with a sliding rod, the sliding rod is sleeved with a first spring, the shell is rotationally connected with a limiting tongue and a spring bolt, the spring bolt can be limited by the limiting tongue when rotating to a specific angle, and the first spring is sleeved with a second spring. The spring bolt is connected with a torsional spring, the shell is provided with a limiting groove, and the spring bolt is movably connected with a lock catch. Magnetic force is generated by supplying power to the electromagnet, the electromagnet attracts the sliding rod to move downwards, the downwards-moving sliding rod enables the limiting tongue to rotate, at the moment, the limiting tongue relieves limiting of the spring bolt, the torsional spring drives the spring bolt to rotate and reset, the lock catch can be taken out of the containing groove of the spring bolt, and the operation is completed within extremely short time. The purpose of unlocking can be rapidly achieved, no light needs are needed for unlocking, and great convenience is provided for a user.

Description

Technical Field

[0001] This utility model belongs to the field of lock technology, specifically an electromagnetic suction lock for quick unlocking. Background Technology

[0002] Electric bicycles, electric tricycles, electric covered wagons and other vehicles are equipped with storage boxes, which are usually located at the rear of the vehicle or under the seat. To prevent items from being lost, the storage boxes are usually equipped with locks.

[0003] In some vehicle designs, the lock key and the car key are the same. When opening the glove compartment, the car key needs to be pulled out from the front of the car, which makes the unlocking process inconvenient. Furthermore, it is difficult to insert the key into the glove compartment to unlock it in low light, which makes it inconvenient to use. In particular, some of the users of the aforementioned vehicles are older and have poor eyesight, which further increases the difficulty of unlocking.

[0004] To address this issue, those skilled in the art have proposed a fast-unlocking electromagnetic lock to solve the problems raised in the background art. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides a fast-unlocking electromagnetic magnetic lock. This solves the problem in the prior art where, in some vehicle designs, the lock key and car key are the same, requiring the car key to be pulled out from the front of the vehicle to open the glove compartment, causing inconvenience during the unlocking process. Furthermore, inserting the key into the glove compartment to unlock it in low light conditions is difficult, further complicating the user experience. This is especially true for some elderly users of these vehicles with poor eyesight, which further increases the difficulty of unlocking.

[0006] An electromagnetic lock for quick unlocking includes a housing, an electromagnet inside the housing, a sliding rod connected to the electromagnet, a first spring sleeved on the sliding rod, a limit tongue and a locking tongue rotatably connected to the housing, the locking tongue being limited by the limit tongue when rotated to a specific angle, a torsion spring connected to the locking tongue, a limit groove formed in the housing, and a latch movably connected to the locking tongue.

[0007] Preferably, the outer shell is composed of a first half-shell and a second half-shell, the second half-shell is provided with a first sleeve and a second sleeve, the limiting tongue is rotatably connected to the first sleeve, the locking tongue is rotatably connected to the second sleeve, and the first sleeve and the second sleeve are connected with screws.

[0008] Preferably, the first half-shell and the second half-shell are respectively provided with positioning grooves, the electromagnet is provided with positioning blocks, the positioning blocks are inserted into the positioning grooves, the electromagnet is provided with storage grooves, and one end of the sliding rod extends into the storage grooves.

[0009] Preferably, the other end of the sliding rod is provided with a first stop plate, one end of the first spring abuts against the first stop plate, and the other end of the first spring abuts against the electromagnet.

[0010] Preferably, the limiting tongue and the locking tongue are respectively provided with limiting protrusions and limiting grooves. When the locking tongue rotates to a specific angle, it is limited by the limiting tongue through the cooperation of the limiting protrusions and limiting grooves. The limiting tongue is connected to a movable rod. The other end of the sliding rod is provided with a movable groove. The movable rod passes through the movable groove. The torsion spring is sleeved on the periphery of the second sleeve. One end of the torsion spring is connected to the locking tongue. The second half-shell is provided with a limiting piece. The other end of the torsion spring is in contact with the limiting piece. The locking tongue is provided with a receiving groove. The latch is located in the receiving groove.

[0011] Preferably, the second half-shell is connected to a movable piece, the movable piece is slidably connected to a push rod, the push rod is provided with a second baffle, the push rod is sleeved with a second spring, and the push rod extends out of the outer shell.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. This utility model generates magnetic force by supplying power to an electromagnet, causing the electromagnet to attract and move the sliding rod downward. The downward sliding rod causes the limiting tongue to rotate, at which point the limiting tongue releases its restriction on the lock tongue, and the torsion spring drives the lock tongue to rotate and reset. At this time, the lock can be removed from the receiving groove of the lock tongue. The above operation is completed in a very short time, which can quickly achieve the purpose of unlocking. There is no need for light to unlock, which provides great convenience to users.

[0014] 2. This utility model incorporates a torsion spring. When the limiting tongue does not align with the locking tongue, the locking tongue rotates to abut against the edge of the outer casing. At this point, the locking tongue's receiving groove connects with the limiting groove, providing convenience for the user to re-insert the latch and easily lock the storage box next time.

[0015] 3. This utility model uses a second spring in conjunction with a second stop plate. When the second spring releases its elastic force, the top rod extends outward, lifting the lid of the storage box and providing convenience for the user to open the storage box. Attached Figure Description

[0016] Figure 1 A schematic diagram of an electromagnetic lock for quick unlocking;

[0017] Figure 2 A front view of a fast-unlocking electromagnetic lock;

[0018] Figure 3 A schematic diagram of a fast-unlocking electromagnetic lock after removing the first half of the housing;

[0019] Figure 4A front view of a fast-unlocking electromagnetic lock after the first half of the housing has been removed.

[0020] In the picture:

[0021] 1. Outer shell; 101. First half-shell; 102. Second half-shell; 2. Electromagnet; 3. Sliding rod; 4. First spring; 5. Limiting tongue; 6. Locking tongue; 7. Torsion spring; 8. Limiting groove; 9. Lock; 10. First sleeve; 11. Second sleeve; 12. Screw; 13. Positioning groove; 14. Positioning block; 15. Storage groove; 16. First baffle; 17. Limiting protrusion; 18. Limiting groove; 19. Movable rod; 20. Movable groove; 21. Limiting piece; 22. Receiving groove; 23. Movable piece; 24. Top rod; 25. Second baffle; 26. Second spring. Detailed Implementation

[0022] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0023] Example 1

[0024] As attached Figure 1 To be continued Figure 4 As shown, this embodiment provides a fast-unlocking electromagnetic lock, including a housing 1, which protects the internal components. The housing 1 is installed inside the storage compartment. An electromagnet 2 is installed inside the housing 1. The electromagnet 2 is connected to the vehicle's electrical circuit via a wire. A switch button on the vehicle controls whether to supply power to the electromagnet 2. The electromagnet 2 is connected to a sliding rod 3, which is made of metal. When the electromagnet 2 is energized, it generates a magnetic force, which attracts the sliding rod 3 to move downwards. A first spring 4 is sleeved on the sliding rod 3. When the sliding rod 3 moves downwards, the first spring 4... The energy is compressed and stored. After the power is cut off, the first spring 4 drives the sliding rod 3 and the limiting tongue 5 to reset. The outer shell 1 is rotatably connected to the limiting tongue 5 and the locking tongue 6. When the locking tongue 6 rotates to a specific angle, it will be limited by the limiting tongue 5. When the box lid is closed, the latch 9 is inserted into the limiting groove 8 and pushes the locking tongue 6 to rotate, so that the locking tongue 6 is limited by the limiting tongue 5, thus completing the locking. The locking tongue 6 is connected to a torsion spring 7. When the locking tongue 6 is limited by the limiting tongue 5, the torsion spring 7 deforms and stores energy. The outer shell 1 has a limiting groove 8. The locking tongue 6 is movably connected to the latch 9. The latch 9 is installed inside the box lid of the storage box.

[0025] As can be seen from the above, when locking, the lid is moved towards the body cover, the latch 9 is inserted into the limiting groove 8 and enters the bolt 6, the latch 9 pushes the bolt 6 to rotate, the torsion spring 7 deforms and accumulates energy, when the bolt 6 rotates to a specific angle it is limited by the limiting tongue 5, at this time the latch 9 is limited by the limiting groove 8 and the bolt 6, and the locking is completed.

[0026] When unlocking: Activate the switch button to power the electromagnet 2. The electromagnet 2 generates magnetic force to attract the sliding rod 3 downward. The downward sliding rod 3 drives the limiting tongue 5 to rotate counterclockwise, releasing the limitation on the locking tongue 6. The torsion spring 7 releases energy to drive the locking tongue 6 to rotate clockwise, so that the locking tongue 6 rotates to abut against the edge of the outer shell 1. At this time, the latch 9 can be removed from the locking tongue 6 along the limiting groove 8, completing the unlocking. Then, the box cover can be opened.

[0027] Example 2

[0028] As attached Figure 1 To be continued Figure 4 As shown, this embodiment is basically the same as the previous embodiment, except that the outer shell 1 is composed of a first half shell 101 and a second half shell 102. The second half shell 102 is provided with a first sleeve 10 and a second sleeve 11. In order to improve the firmness of the connection between the first half shell 101 and the second half shell 102, a third sleeve and a fourth sleeve can also be provided in the same way. The limiting tongue 5 is rotatably connected to the first sleeve 10, and the locking tongue 6 is rotatably connected to the second sleeve 11. The first sleeve 10 and the second sleeve 11 are connected with screws 12. The first half shell 101 and the second half shell 102 are connected together by screwing the screws 12 into the first sleeve 10 and the second sleeve 11.

[0029] Specifically, the first half-shell 101 and the second half-shell 102 are respectively provided with positioning grooves 13, the electromagnet 2 is provided with positioning blocks 14, the positioning blocks 14 are inserted into the positioning grooves 13 to facilitate fixing the electromagnet 2, the electromagnet 2 is provided with storage grooves 15, and one end of the sliding rod 3 extends into the storage grooves 15.

[0030] Furthermore, a first baffle 16 is provided at the other end of the sliding rod 3, one end of the first spring 4 abuts against the first baffle 16, and the other end of the first spring 4 abuts against the electromagnet 2. By providing the first baffle 16, the first spring 4 will deform as the sliding rod 3 moves.

[0031] Furthermore, the limiting tongue 5 and the locking tongue 6 are respectively provided with a limiting protrusion 17 and a limiting groove 18. The limiting protrusion 17 of the limiting tongue 5 is engaged in the limiting groove 18 of the locking tongue 6, and the limiting protrusion 17 of the locking tongue 6 is engaged in the limiting groove 18 of the limiting tongue 5. When the locking tongue 6 rotates to a specific angle, it is limited by the limiting tongue 5 through the cooperation of the limiting protrusion 17 and the limiting groove 18. The limiting tongue 5 is connected to a movable rod 19. The other end of the sliding rod 3 is provided with a movable groove 20. The movable rod 19 passes through the movable groove 20. When the sliding rod 3 moves down, it drives the movable rod 19 to rotate, thereby driving the limiting tongue 5 to rotate. The diameter of the movable groove 20 is larger than the diameter of the movable rod 19, providing space for the rotation of the movable rod 19. The movable groove 20 is located above the first baffle 16. The torsion spring 7 is sleeved around the second sleeve 11. One end of the torsion spring 7 is connected to the locking tongue 6. The locking tongue 6 has a slot. One end of the torsion spring 7 is located in the slot. The second half-shell 102 is provided with a limiting piece 21. The other end of the torsion spring 7 is in contact with the limiting piece 21. There are two limiting pieces 21. The other end of the torsion spring 7 is located in different limiting pieces 21, which can provide different elastic forces. The locking tongue 6 has a receiving groove 22. The latch 9 is located in the receiving groove 22.

[0032] As can be seen from the above, when unlocking, the vehicle supplies power to the electromagnet 2. The electromagnet 2 attracts the sliding rod 3 and slides it into the depth of the receiving groove 15. During the downward movement of the sliding rod 3, the movable groove 20 presses the movable rod 19, causing the movable rod 19 to rotate counterclockwise with the limiting tongue 5. The limiting tongue 5 releases the limitation on the lock tongue 6, and the torsion spring 7 releases energy to drive the lock tongue 6 to rotate clockwise. At this time, the receiving groove 22 is connected to the limiting groove 8, and the lock buckle 9 is no longer limited. The lock can be unlocked by opening the cover and taking the lock buckle 9 out of the limiting groove 8.

[0033] Example 3

[0034] As attached Figure 3 To be continued Figure 4 As shown, this embodiment is basically the same as the previous embodiment, except that the second half-shell 102 is connected to a movable piece 23, the movable piece 23 is slidably connected to a push rod 24, the movable piece 23 is used to ensure the directional movement of the push rod 24, the push rod 24 is provided with a second baffle 25, and the push rod 24 is sleeved with a second spring 26, one end of the second spring 26 abuts against the movable piece 23, the other end of the second spring 26 abuts against the second baffle 25, the push rod 24 extends out of the outer shell 1, and the second spring 26 deforms as the push rod 24 moves.

[0035] As can be seen from the above, when locked, the lid abuts against the box body. At this time, the lid presses the top rod 24 into the outer shell 1, and the second spring 26 stores energy due to the compression of the second baffle 25. When unlocked, the second spring 26 releases energy and pushes the top rod 24 outward through the second baffle 25, lifting the lid up partly to facilitate opening the lid.

[0036] All standard parts used in this invention can be purchased from the market, and irregularly shaped parts can be customized according to the description and drawings. The specific connection methods for each part all employ conventional methods such as bolts, rivets, and welding, which are mature technologies in the prior art. The machinery, parts, and equipment all use conventional models in the prior art, and the circuit connections also use conventional connection methods in the prior art, which will not be detailed here. Any content not described in detail in this specification belongs to the prior art known to those skilled in the art.

[0037] In the description of this utility model, 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 indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. "A plurality of" means two or more, unless otherwise explicitly specified.

[0038] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0040] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0041] The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0042] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A quick release electromagnetic latch, characterized by: The utility model provides an electromagnetic lock, including the shell (1), the shell (1) is provided with electromagnet (2) inside, electromagnet (2) is connected with sliding rod (3), sliding rod (3) is equipped with first spring (4), the shell (1) is rotatably connected with limiting tongue (5) and lock tongue (6), lock tongue (6) is rotatable to specific angle and is limited by limiting tongue (5), lock tongue (6) is connected with torsional spring (7), the shell (1) is provided with limiting groove (8), and lock tongue (6) is movably connected with lock catch (9).

2. A quick release electromagnetic catch as claimed in claim 1 wherein: The shell (1) is composed of a first half shell (101) and a second half shell (102), the second half shell (102) is provided with a first sleeve (10) and a second sleeve (11), the limiting tongue (5) is rotatably connected with the first sleeve (10), and the lock tongue (6) is rotatably connected with the second sleeve (11). The first sleeve (10) and the second sleeve (11) are connected with a screw (12).

3. A quick release electromagnetic catch as claimed in claim 2 wherein: The first half shell (101) and the second half shell (102) are respectively provided with a positioning groove (13), the electromagnet (2) is provided with a positioning block (14), the positioning block (14) is inserted into the positioning groove (13), and the electromagnet (2) is provided with a receiving groove (15). One end of the sliding rod (3) extends into the receiving groove (15).

4. A quick release electromagnetic catch as claimed in claim 3 wherein: The other end of the sliding rod (3) is provided with a first baffle (16), one end of the first spring (4) abuts against the first baffle (16), and the other end of the first spring (4) abuts against the electromagnet (2).

5. A quick release electromagnetic catch as claimed in claim 4 wherein: The limiting tongue (5) and the lock tongue (6) are respectively provided with a limiting protrusion (17) and a limiting groove (18), the lock tongue (6) is rotatable to a specific angle and is limited by the limiting tongue (5) through cooperation of the limiting protrusion (17) and the limiting groove (18), the limiting tongue (5) is connected with a movable rod (19), the other end of the sliding rod (3) is provided with a movable groove (20), the movable rod (19) passes through the movable groove (20), the torsional spring (7) is sleeved on the periphery of the second sleeve (11), one end of the torsional spring (7) is connected with the lock tongue (6), the second half shell (102) is provided with a limiting piece (21), the other end of the torsional spring (7) abuts against the limiting piece (21), the lock tongue (6) is provided with an accommodating groove (22), and the lock catch (9) is located in the accommodating groove (22).

6. A quick release electromagnetic catch as claimed in claim 5 wherein: The second half shell (102) is connected with a movable piece (23), the movable piece (23) is slidably connected with a jacking rod (24), the jacking rod (24) is provided with a second baffle (25), the jacking rod (24) is sleeved with a second spring (26), and the jacking rod (24) extends out of the shell (1).

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