WO2022206484A1

WO2022206484A1 - Buckle device unlocked by magnetic attraction

Info

Publication number: WO2022206484A1
Application number: PCT/CN2022/082241
Authority: WO
Inventors: 李邱宗
Original assignee: 联扬塑胶(深圳)有限公司
Priority date: 2021-03-30
Filing date: 2022-03-22
Publication date: 2022-10-06
Also published as: CN114027593B; CN114027593A

Abstract

A buckle device unlocked by magnetic attraction. The buckle device comprises a male buckle, a female buckle and a magnetic unlocking module independent of the female buckle. The magnetic unlocking module is provided with a second magnetic member which can be attracted to a first magnetic member; the female buckle is provided with a clamping and locking assembly which can clamp and stop a lock tongue extending into an insertion hole so as to allow the male buckle and the female buckle to be connected with each other; and when the magnetic unlocking module is used to attract the second magnetic member from outside the female buckle, the clamping and locking assembly can be actuated by the magnetic unlocking module to release the lock tongue such that the male buckle and the female buckle can be separated from each other. By means of the buckle device unlocked by magnetic attraction of the present invention, unlocking is achieved by means of the magnetic unlocking module independent of the female buckle; during unlocking, the male buckle and the female buckle can be separated simply by adhering the magnetic unlocking module to the female buckle and then lifting the magnetic unlocking module in a locking direction, such that the operation is very convenient; and since the magnetic unlocking module for unlocking is independent of the female buckle, the female buckle and the male buckle can only be unlocked when the magnetic unlocking module is held for unlocking, thereby avoiding the phenomenon of accidental unlocking.

Description

Magnetically unlocked buckle device

【Technical field】

The invention relates to a clasp device, in particular to a clasp device for magnetic attraction and unlocking.

【Background technique】

Magnetic buckle is a kind of buckle that realizes locking through magnetic attraction. It usually includes a female buckle and a male buckle, and there are magnets inside them. Guide and make the two quickly combine. Since the magnetic buckle is guided and attracted by magnetic force, the user does not need to align it, and the user can operate it with one hand, so it is more convenient and convenient to use. Although this kind of magnetic fastener utilizes the guiding effect of magnetic force to realize the positioning and locking between the fasteners during locking, the attraction between the magnets also makes it necessary to resist the magnetic force when unlocking.

There are various unlocking methods for such existing fastener devices, such as two-way pressing, upward pressing and the like. However, in most of the buckle devices, the unlocking button is arranged on the female buckle, which inevitably leads to accidental unlocking, which leads to potential safety hazards. In particular, the buckle device applied to children's products is more likely to cause accidental unlocking and safety hazards due to children's strong curiosity. Therefore, it is necessary to provide a buckle device which is convenient for unlocking operation, and which can avoid accidental unlocking and improve safety.

[Content of the invention]

The present invention aims to solve the above-mentioned problems, and provides a fastener device for unlocking by magnetic attraction.

In order to solve the above problems, the present invention provides a magnetic unlocking fastener device, which includes a male buckle and a female buckle, the male buckle is provided with a protruding lock tongue; the female buckle is provided with a first magnetic member and a The lock tongue is free to enter and exit the jack; the male buckle and the female buckle can be locked and connected together along the locking direction, and can be separated; it is characterized in that it also includes a magnetic unlocking module independent of the female buckle, so The magnetic unlocking module is provided with a second magnetic piece that can be attracted with the first magnetic piece; the female buckle is provided with a locking component, which can lock the lock tongue extending into the socket so that all The male buckle and the female buckle are connected to each other; when the magnetic unlocking module is used to attract the first magnetic piece from the outside of the female buckle, the latch assembly can be actuated by the magnetic unlocking module to release all The locking tongue makes the male buckle and the female buckle separable from each other.

Further, the magnetic unlocking module can actuate the latch assembly to release the lock tongue by attracting the first magnetic member through the second magnetic member, so that the first magnetic member moves in the direction away from the male buckle in the locking direction. .

Further, the latch assembly includes a follower and a latch, and the follower can move along the locking direction with the first magnetic member under the attraction of the magnetic unlocking module; the latch is provided with There is a latching part which can latch the lock tongue; the latching part can be actuated by the follower to move the latching part in the direction of exiting the socket.

Further, the follower is provided with a guide surface inclined to the locking direction; the latch is provided with a mating surface that can fit with the guide surface; when the follower moves away from the locking direction When the male buckle moves in the direction, the guide surface acts on the mating surface to push the locking member to move in a direction perpendicular to the locking direction.

Further, the latching assembly includes an elastic member for driving the latching member to move so that the latching portion returns to protrude out of the socket.

Further, the follower is provided with a magnet mounting portion, the magnet mounting portion is facing the insertion hole, and the first magnetic element is embedded in the magnet mounting portion.

Further, the follower is provided with a movement restraining part; the female buckle is provided with a stroke guide part; the movement restraint part can move in the stroke guide part to restrain the follower in the locking direction movement.

Further, the magnet mounting portion is arranged on a side of the movement restricting portion facing the insertion hole.

Further, the travel guide portion is a blind hole or a through hole with an opening facing the movement restriction portion.

Further, when the magnetic unlocking module is adsorbed on the female buckle, the magnetic unlocking module is fitted with the movement restraining part; when the magnetic unlocking module is moved in the direction away from the male buckle in the locking direction, The follower moves with the magnetic unlocking module to actuate the latch to move in a direction perpendicular to the locking direction to release the lock tongue.

Further, when the magnetic unlocking module is adsorbed to the female buckle, the movement restricting portion moves toward the magnetic unlocking module within the travel guide portion, so that the follower actuates the latching member along the edge of the latch. Move in a direction perpendicular to the locking direction to release the deadbolt.

Further, the travel guide portion is a through hole, and a travel space for the movement restricting portion to move in the locking direction is provided on the magnetic unlocking module.

Further, the travel guide portion is a blind hole with an opening facing the movement restriction portion, and the top of the movement restriction portion is spaced apart from the inner top surface of the travel guide portion.

Further, the follower is provided with a disengagement preventing portion that cannot pass through the travel guide portion, and the disengagement preventing portion is connected to an end of the movement restricting portion close to the insertion hole.

Further, the locking member is provided with a travel hole, the extension direction of the travel hole is the same as the movable direction of the locking member, and the female buckle is provided with a first limit portion, the first limit The position is located in the travel hole to restrict the movement of the latch.

Further, a third magnetic member is arranged in the lock tongue, and the magnetic attraction force between the second magnetic member and the first magnetic member is greater than that between the first magnetic member and the third magnetic member of magnetic attraction.

The beneficial contribution of the present invention is that it effectively solves the above-mentioned problems. The magnetic unlocking device of the present invention is unlocked by a magnetic unlocking module independent of the female buckle. When unlocking, only the magnetic unlocking module is adsorbed on the female buckle, and then the magnetic unlocking module is pulled along the locking direction, so that the The male and female buckles are separated. The unlocking operation direction of the magnetic unlocking module is the same as the locking direction. When the user operates, the female buckle and the male buckle can be separated by simply pulling the magnetic unlocking module away from the female buckle, which is very convenient to operate. In addition, since the magnetic unlocking module for unlocking is independent of the female buckle, the female buckle and the male buckle can only be unlocked when the magnetic unlocking module is unlocked. Therefore, its security is high. The magnetic suction unlocking fastener device of the present invention has the characteristics of reasonable design, humanized unlocking operation, and high safety, which has strong practicability and should be vigorously promoted.

【Description of drawings】

FIG. 1 is a schematic diagram of the overall structure of Embodiment 1. FIG.

FIG. 2 is a schematic exploded view of the structure of Embodiment 1. FIG.

FIG. 3 is a schematic exploded view of the structure of Embodiment 1. FIG.

FIG. 4 is a schematic half-section view of Embodiment 1. FIG.

FIG. 5 is a schematic structural diagram of a follower of the present invention.

FIG. 6 is a schematic view of the structure of the latch of the present invention.

FIG. 7 is a schematic diagram of the overall structure of Embodiment 2. FIG.

FIG. 8 is a schematic diagram of the overall structure of Embodiment 3. FIG.

FIG. 9 is a schematic half-section view of Example 3. FIG.

FIG. 10 is a schematic exploded view of the structure of Embodiment 3. FIG.

Reference signs: male buckle 10, locking tongue 11, first conical surface 111, groove portion 112, second conical surface 1121, third magnetic piece 12, female buckle 20, first magnetic piece 21, follower 22, Guide part 221, guide surface 2211, magnet mounting part 222, movement restraint part 223, anti-dropping part 224, latch 23, latch part 231, lead-in oblique surface 2311, stroke hole 232, matching part 233, matching surface 2331, The baffle part 234, the positioning protrusion 235, the elastic part 24, the insertion hole 25, the first limit part 26, the stroke guide part 27, the casing 28, the upper casing 281, the bottom casing 282, the partition part 2821, the support part 2822, The magnetic unlocking module 30 , the second magnetic member 31 , the travel space 32 , and the convex portion 33 .

【Detailed ways】

The following examples are further explanations and supplements to the present invention, and do not constitute any limitation to the present invention.

As shown in FIG. 1 , FIG. 2 , FIG. 3 , FIG. 7 , FIG. 8 , and FIG. 10 , the magnetic unlocking fastener device of the present invention includes a male buckle 10 , a female buckle 20 and a magnetic unlocking module 30 . Wherein, the male buckle 10 and the female buckle 20 can be locked and connected together (as shown in FIG. 1 , FIG. 7 , and FIG. 8 ), and can be separated from each other. The magnetic unlocking module 30 is independent of the male buckle 10 and the female buckle 20, and can act on the female buckle 20 to unlock the male buckle 10 and the female buckle 20 that are locked and connected together, so that the male buckle 10 and the female buckle 20 are unlocked. Detachable by unlocking.

As shown in FIG. 3 , the male buckle 10 is provided with a locking tongue 11 , and the female buckle 20 is provided with a corresponding locking hole and a locking assembly. The locking tongue 11 can be inserted into the locking hole along the locking direction to It is caught by the locking assembly, so that the male buckle 10 and the female buckle 20 are locked and connected together. When the magnetic unlocking module 30 is used for unlocking, the latch assembly releases the lock tongue 11 , and the lock tongue 11 can be withdrawn from the lock hole so that the male buckle 10 and the female buckle 20 can be separated from each other.

As shown in FIG. 1 and FIG. 8 , for unlocking, a second magnetic member 31 is provided in the magnetic unlocking module 30 , and a first magnetic member 21 is provided in the female buckle 20 . When the magnetic unlocking module 30 is close to the female buckle 20 , the second magnetic member 31 can attract the first magnetic member 21 . For user convenience, when unlocking, the magnetic unlocking module 30 can be pressed against the female buckle 20 to make the second magnetic member 31 attract the first magnetic member 21, so that the first magnetic The assembly 21 moves, thereby actuating the latching assembly, so that the latching assembly moves from the original position of blocking the latch 11 to the position of releasing the latch 11, thereby realizing unlocking.

When the magnetic unlocking module 30 attracts the first magnetic member 21 in the female buckle 20 through the second magnetic member 31, it can directly or indirectly make the first magnetic member 21 move in the direction away from the male buckle 10 in the locking direction X. Therefore, the latch assembly can be activated to unlock by the movement of the first magnetic member 21 .

In some embodiments, as shown in FIG. 1 , after the second magnetic member 31 and the first magnetic member 21 attract each other, the magnetic unlocking module 30 is pulled in the direction away from the male buckle 10 in the locking direction X, and the magnetic The movement of the unlocking module 30 indirectly drives the first magnetic member 31 to move in the locking direction X along a direction away from the male buckle 10 to actuate the locking assembly to unlock. In this embodiment, when the second magnetic member 31 attracts the first magnetic member 21 , if the magnetic unlocking module 30 is not actively moved to unlock, the locking assembly will not be activated to unlock, or it is insufficient To the extent that it is actuated to release the lock tongue 11 for unlocking. When the magnetic unlocking module 30 is actively moved toward the locking direction and moves away from the male buckle 10 , the latch assembly is actuated to unlock, and with the movement of the magnetic unlocking module 30 , the female buckle 20 is taken away The male buckle 10 can realize the separation of the female buckle 20 and the male buckle 10 . In other words, the unlocking and separation of the male buckle 10 and the female buckle 20 are realized by the movement of the magnetic unlocking module 30 .

In some embodiments, when the second magnetic member 31 and the first magnetic member 21 attract each other, the first magnetic member 31 directly moves toward the second magnetic member 31 in the locking direction due to the magnetic attraction, thereby actuating the card lock assembly to unlock. In this embodiment, when the magnetic unlocking module 30 is close to the female buckle 20 so that the second magnetic member 31 and the first magnetic member 21 attract each other, it is not necessary to actively move the magnetic unlocking module 30, and the second magnetic member 31 can move in the female buckle to actuate the latch assembly to unlock. When the magnetic unlocking module 30 is actively moved toward the locking direction and moves away from the male buckle 10 , it is only used to separate the male buckle 10 from the female buckle 20 . In other words, the unlocking of the male buckle 10 and the female buckle 20 is automatically completed by the magnetic attraction between the magnetic unlocking module 30 and the female buckle 20 , and does not need to be realized by the movement of the magnetic unlocking module 30 .

During the unlocking operation, the magnetic unlocking module 30 can abut on the surface of the female buckle 20 to make the second magnetic member 31 and the first magnetic member 21 attract each other, and then move the magnetic unlocking in the direction away from the male buckle 10 in the locking direction X. The module 30 can realize the separation of the male buckle 10 and the female buckle 20 from each other. The unlocking operation direction of the magnetic unlocking module 30 is the same as the locking direction X. When the user operates, when the magnetic unlocking module 30 is close to the female buckle 20, the magnetic attraction between the first magnetic piece 21 and the second magnetic piece 31 will make the magnetic unlocking module 30 automatically abut against the corresponding position on the surface of the female buckle 20, The user only needs to pull the magnetic unlocking module 30 away from the female buckle 20 to separate the female buckle 20 from the male buckle 10 , and the operation is very simple and convenient. Moreover, the magnetic unlocking module 30 for unlocking is independent of the female buckle 20, and the female buckle 20 and the male buckle 10 can be unlocked only when the magnetic unlocking module 30 is held for unlocking. In case of accidental unlocking, therefore, its security is high.

As shown in FIGS. 2 , 3 , 4 , 9 and 10 , the latch assembly includes a follower 22 , a latch 23 and an elastic member 24 .

As shown in FIG. 2 , FIG. 3 , FIG. 4 , FIG. 9 , and FIG. 10 , the follower member 22 can move along the locking direction X with the first magnetic member 21 under the attraction of the magnetic unlocking module 30 . The follower 22 is combined with the first magnetic member 21, and the two move synchronously. When the first magnetic member 21 is driven by the magnetic unlocking module 30 to move in the locking direction, the follower member 22 moves synchronously with the first magnetic member 21 . The movement of the follower 22 can actuate the latch 23 so that the latch 23 moves in a direction different from the latching direction.

As shown in FIG. 2 , FIG. 3 , FIG. 4 , FIG. 9 , and FIG. 10 , the locking member 23 is provided with a locking portion 231 . The locking portion 231 is a part of the structure of the locking hole, and is used for locking the locking tongue 11 . An insertion hole 25 is provided on the side of the female buckle 20 facing the male buckle 10 , and the insertion hole 25 and the locking portion 231 together form the locking hole. In the default state, the locking portion 231 protrudes out of the range of the insertion hole 25 to hold the locking tongue 11 . The locking member 23 can move under the actuation of the follower member 22 , so the locking portion 231 is a movable structure. When the locking tongue 11 is inserted into the female buckle 20 in the locking direction, it can push the locking portion 231 and continue to advance until it is caught by the locking portion 231 . When the locking member 23 moves under the actuation of the follower 22, the locking portion 231 can move in the direction of exiting the insertion hole 25. When the locking portion 231 moves to a certain extent , the locking portion 231 can no longer lock the lock tongue 11, and the lock tongue 11 can be released at this time, and the lock tongue 11 can be withdrawn from the lock hole to separate the male buckle 10 and the female buckle 20 from each other. to unlock.

During the unlocking movement, the follower 22 moves along the locking direction, and the locking member 23 moves along the direction different from the locking direction. In this embodiment, the locking member 23 moves in a direction perpendicular to the locking direction.

As shown in FIG. 2 , FIG. 3 , FIG. 4 , FIG. 9 , and FIG. 10 , in order to actuate the latching member 23 by the follower member 22 , a guide surface 2211 is provided on the follower member 22 . The locking member 23 is provided with a mating surface 2331 that can fit with the guiding surface 2211 . The guide surface 2211 is inclined to the locking direction X. With respect to the locking direction or the moving direction of the latch 23 , the guide surface 2211 is an inclined surface. When the matching surface 2331 is attached to the guide surface 2211, the matching surface 2331 is located on the side of the guide surface 2211 away from the pin 10, so that when the follower 22 moves away from the pin along the locking direction When moving in the direction of 10, the guide surface 2211 acts on the mating surface 2331 to push the locking member 23 to move in a direction perpendicular to the locking direction, so that the locking portion 231 can be moved along the exit hole. Move in the direction of 25 to unlock.

As shown in FIG. 2 , FIG. 3 , FIG. 4 , FIG. 9 , and FIG. 10 , the elastic member 24 is used to drive the locking member 23 to move so that the locking portion 231 returns to protruding from the socket. 25 range. In other words, the elastic member 24 is used to drive the latch assembly to reset after unlocking. The elastic member 24 may be an elastic element such as a spring, which is arranged along the moving direction of the locking member 23 . In this embodiment, the elastic member 24 is perpendicular to the locking direction, one end of the elastic member 24 is abutted with the locking member 23 , and the other end is abutted with the inner wall of the female buckle 20 . When the latching member 23 moves under the actuation of the follower member 22 , the elastic member 24 is compressed to accumulate force. After the unlocking is completed and the magnetic unlocking module 30 is removed, the elastic force of the elastic member 24 can push the latching member 23 to reset, and the mating surface 2331 of the latching member 23 and the guiding surface of the follower 22 2211 fits, therefore, during the reset process of the latch 23, the latch 23 will push the follower 22 to reset, so that all the latch components can be reset.

As shown in Figure 2, Figure 3, Figure 4, Figure 9, Figure 10, in order to restrict the movement of the locking member 23 and prevent the locking member 23 from being skewed and affecting the locking and unlocking effects, the locking member 23 can A stroke hole 232 is arranged on the 23 , and a first limiting portion 26 is arranged in the female buckle 20 . The travel hole 232 is disposed along the moving direction of the locking member 23 , the first limiting portion 26 is located in the travel hole 232 , and the travel hole 232 cooperates with the first limiting portion 26 to restrain the The locking member 23 moves in a straight line.

As shown in FIG. 5 , in order to actuate the latch assembly through the magnetic unlocking module 30 , a magnet mounting portion 222 is provided on the follower 22 , and the first magnetic member 21 is embedded in the magnet mounting portion. The first magnetic member 21 and the follower member 22 can move synchronously. In this embodiment, the magnet mounting portion 222 faces the insertion hole 25 . When the magnetic unlocking module 30 is close to the surface of the female buckle 20 , the second magnetic member 31 in the magnetic unlocking module 30 attracts the first magnetic member 21 so that the magnetic unlocking module 30 is adsorbed on the surface of the female buckle 20 .

As shown in Figure 2, Figure 3, Figure 4, Figure 9, Figure 10, in order to restrict the movement of the follower 22 and help the user to obtain a better unlocking experience, the female buckle 20 is provided with a travel guide 27, A movement restricting portion 223 is provided on the follower 22 . The movement restricting portion 223 is located within the stroke guide portion 27 , and is movable within the stroke guide portion 27 . The axial direction of the stroke guide portion 27 is arranged in the locking direction, so the follower 22 can be constrained to move in a straight line in the blocking direction through the cooperation of the stroke guide portion 27 and the movement restraining portion 223 , thereby avoiding the follower 22 is skewed and affects the unlocking effect.

The travel guide portion 27 may be a blind hole or a through hole, the opening of which faces the movement restricting portion 223 .

In some embodiments, as shown in FIG. 4 , the travel guide portion 27 is a through hole. When the magnetic unlocking module 30 is adsorbed on the female buckle 20, the magnetic unlocking module 30 can fit with the movement restraining portion 223. When the magnetic unlocking module 30 is moved in the direction away from the male buckle 10 in the locking direction, the follower 22 can follow the movement of the magnetic unlocking module 30 and travel in the direction away from the male buckle 10 in the locking direction. The latch 23 can be pushed by the guide surface 2211 of the follower 20 , so that the latch 23 moves in a direction perpendicular to the locking direction to release the lock tongue 11 .

In some embodiments, as shown in FIG. 7 , the travel guide portion 27 is a through hole, and when the magnetic unlocking module 30 is adsorbed on the female buckle 20 , the magnetic unlocking module 30 does not move with the movement The restraining portion 223 is fitted, and the magnetic unlocking module 30 can provide a travel space 32 for the movement of the movement restraining portion 223 in the locking direction. When the magnetic unlocking module 30 is adsorbed on the female buckle 20 , the movement restricting portion 223 moves toward the magnetic unlocking module 30 within the travel guide portion 27 , so that the follower 22 moves along the locking direction. Moving away from the male buckle 10 , the locking member 23 can be pushed through its guiding surface 2211 , so that the locking member 23 moves in a direction perpendicular to the locking direction to release the locking tongue 11 .

In some embodiments, as shown in FIG. 8 , FIG. 9 , and FIG. 10 , the travel guide portion 27 is a blind hole with an opening facing the movement restriction portion 223 , and the top of the movement restriction portion 223 is connected to the travel guide portion. The inner top surfaces of the portions 27 are spaced apart. When the magnetic unlocking module 30 is adsorbed on the female buckle 20 , the movement restricting portion 223 moves toward the magnetic unlocking module 30 within the travel guide portion 27 , so that the follower 22 moves along the locking direction. Moving away from the male buckle 10 , the locking member 23 can be pushed through its guiding surface 2211 , so that the locking member 23 moves in a direction perpendicular to the locking direction to release the locking tongue 11 .

As shown in FIG. 2 , FIG. 3 , FIG. 4 , FIG. 9 , and FIG. 10 , since the movement restricting portion 223 of the follower 22 can move within the travel guide portion 27 , in order to prevent the follower 22 from falling out of the In the female buckle 20 , a disengagement prevention part 224 can be provided on the follower 22 . The anti-drop portion 224 cannot pass through the travel guide portion 27. When the movement restricting portion 223 moves to a certain extent, the anti-drop portion 224 is in contact with the inner wall of the female buckle 20, and the follower 22 cannot be moved. Continue to move, so that the follower 22 can be prevented from coming out of the female buckle 20 . The shape of the anti-falling portion 224 is not limited, and is connected to one end of the movement restricting portion 223 close to the insertion hole 25 .

For the magnetically unlocked fastener device of the present invention, the male fastener 10 may or may not be provided with a magnetic element. As shown in FIG. 4 and FIG. 9 , in order to facilitate the quick locking connection of the male buckle 10 and the female buckle 20 , a third magnetic member 12 can be arranged in the locking tongue 11 . The third magnetic member 12 attracts the first magnetic member 21 . When the lock tongue 11 of the male buckle 10 faces the socket 25 and approaches the female buckle 20 , the magnetic attraction force between the third magnetic member 12 and the first magnetic member 21 will prompt the lock tongue 11 to be quickly inserted into the lock hole. The male buckle 10 and the female buckle 20 are in a locking connection.

Since the unlocking needs to be performed by the magnetic attraction force between the magnetic unlocking module 30 and the female buckle 20 , in order to realize the unlocking, the second magnetic member 31 of the magnetic unlocking module 30 and the first magnetic member 21 of the female buckle 20 need to be unlocked. The magnetic attraction force between them should be greater than the magnetic attraction force between the first magnetic member 21 and the third magnetic member 12 .

The working principle of the magnetically unlocked buckle device of the present invention is:

When the male buckle 10 and the female buckle 20 are brought close to each other along the locking direction, if the third magnetic member 12 is provided in the male buckle 10, the magnetic attraction force between the third magnetic member 12 and the first magnetic member 21 can make the male buckle 10 It is fast-locked and connected with the female buckle 20. If there is no third magnetic member 12 in the male buckle 10, the locking tongue 11 is inserted in the direction of the locking hole, the locking tongue 11 pushes the locking portion 231 into the locking hole and is locked by the locking portion 231, Thus, the male buckle 10 and the female buckle 20 are locked and connected together.

When unlocking is required, move the magnetic unlocking module 30 close to the female buckle 20 , and the second magnetic member 31 in the magnetic unlocking module 30 attracts the first magnetic member 21 in the female buckle 20 so that the magnetic unlocking module 30 is attracted to the female buckle 20 superior. Through the magnetic attraction force between the second magnetic member 31 and the first magnetic member 21, the first magnetic member 21 can be moved indirectly or directly, thereby driving the follower member 22 to move in the direction away from the pin 10 in the locking direction; When the member 22 moves, the locking member 23 will be pushed to move in the direction perpendicular to the locking direction through the guide surface 2211 thereof, so that the locking portion 231 moves in the direction of exiting the socket 25 to release the locking tongue 11 , so that the lock tongue 11 can be disengaged from the lock hole, so that the male buckle 10 and the female buckle 20 are separated from each other to realize unlocking.

When unlocking, the movement of the latching member 23 will compress the elastic member 24, so that the elastic member 24 is charged.

After the unlocking is completed, when the magnetic unlocking module 30 is removed, the elastic member 24 will push the locking member 23 to reset, so that the locking member 23 moves in the direction of entering the insertion hole 25; the locking member 23 When moving, its mating surface 2331 acts on the guide surface 2211 of the follower 22 to push the follower 22, so that the follower 22 moves toward the direction close to the pin 10 in the locking direction and resets, so that the locking can be achieved. The components are fully reset.

In order to better introduce the structure of the present invention, the following specific embodiments are introduced:

Example 1

As shown in FIG. 3 and FIG. 4 , the male buckle 10 is provided with a locking tongue 11 , the locking tongue 11 is in a protruding shape, and its end is in the shape of a truncated cone, which is provided with a first conical surface 111 . The first conical surface 111 is used for pressing the locking portion 231 to facilitate the locking tongue 11 to enter the locking hole.

As shown in FIGS. 3 and 4 , the locking tongue 11 is provided with a groove portion 112 , which is used to cooperate with the locking portion 231 to achieve a locking effect. The groove portion 112 is located at a position slightly away from the end face of the locking tongue 11 . The groove portion 112 is provided with a second conical surface 1121 whose inclination matches the locking portion 231 . When the locking tongue 11 squeezes the locking portion 231 into the locking hole, the locking portion 231 can be locked in the groove portion 112 so that the male buckle 10 It is locked and connected with the female buckle 20.

As shown in FIG. 4 , in order to facilitate the quick locking of the male buckle 10 and the female buckle 20 , a third magnetic member 12 is provided in the lock tongue 11 . In this embodiment, the lock tongue 11 is in the shape of a hollow cylinder, the third magnetic member 12 is installed inside the hollow lock tongue 11, and then the third magnetic member 12 can be sealed in the opening by sealing the opening with a sealing cover. inside the lock tongue 11.

As shown in FIG. 2 and FIG. 3 , the female buckle 20 includes a housing 28 , an unlocking component and a first magnetic member 21 . The casing 28 includes an upper casing 281 and a bottom casing 282 which are butt-jointed. An accommodating cavity is formed between the upper shell 281 and the bottom shell 282, which can install the unlocking assembly.

As shown in FIG. 3 , the socket 25 is provided on the bottom case 282 . The shape of the socket 25 is not limited. In this embodiment, it is a circular hole.

As shown in FIG. 3 , the stroke guide portion 27 is provided on the upper case 281 . The shape of the travel guide portion 27 is not limited. In this embodiment, it is a circular through hole whose position corresponds to the insertion hole 25 . In other embodiments, the positions of the travel guide portion 27 and the insertion hole 25 may not correspond to each other, which may be set as required.

As shown in FIG. 3 , in order to reduce the magnetic attraction force between the male buckle 10 and the female buckle 20 and facilitate the unlocking of the magnetic unlocking module 30 , a partition portion 2821 is provided between the insertion hole 25 and the travel guide portion 27 . When the male buckle 10 and the female buckle 20 are locked and connected together, the third magnetic member 12 of the male buckle 10 and the first magnetic member 21 of the female buckle 20 are located on two sides of the partition portion 2821 respectively.

As shown in FIG. 3 , the partition portion 2821 is in the shape of a flat plate, which is higher than the inner surface of the bottom case 282 by a certain distance. The edge of the partition portion 2821 is connected to the bottom case 282 through the support portion 2822 . The support parts 2822 are distributed on the edge of the insertion hole 25 and protrude from the inner surface of the bottom case 282 . The support portion 2822 can support the partition portion 2821 on the one hand, and can also be used to constrain the displacement of the follower 22 on the other hand, so as to facilitate the follower 22 to move in a straight line. In this embodiment, the partition portion 2821 , the support portion 2822 and the bottom case 282 are integrally formed.

As shown in FIG. 3 , in order to restrict the movement of the latching member 23 , a first limiting portion 26 is provided on the edge of the insertion hole 25 . In this embodiment, the first limiting portion 26 is integrally formed with the bottom case 282 , which is cylindrical and protrudes from the inner surface of the bottom case 282 . The top end of the first limiting portion 26 is connected to the partition portion 2821 , which can also support the partition portion 2821 .

The unlocking assembly is arranged in the housing 28 , and includes a follower 22 , a latching member 23 and an elastic member 24 .

As shown in FIG. 3 and FIG. 5 , the follower 22 includes a movement restricting part 223 , a disengagement preventing part 224 and a guiding part 221 . In this embodiment, the movement restricting part 223 , the anti-falling part 224 and the guiding part 221 are integrally formed.

As shown in FIG. 3 and FIG. 5 , the shape and size of the movement restricting portion 223 matches the travel guide portion 27 , and is located in the travel guide portion 27 and can move in the travel guide portion 27 .

As shown in FIGS. 3 and 5 , a magnet mounting portion 222 is provided on the side of the movement restricting portion 223 facing the insertion hole 25 . The shape of the magnet mounting portion 222 matches the shape of the first magnetic member 21 . In this embodiment, the magnet mounting portion 222 is a circular groove, and the first magnetic member 21 is a circular magnet. The first magnetic member 21 is embedded in the magnet mounting portion 222 and can move synchronously with the follower member 22 .

As shown in FIG. 3 and FIG. 5 , the anti-falling portion 224 is located at one end of the movement restricting portion 223 close to the insertion hole 25 . The disengagement prevention portion 224 cannot pass through the travel guide portion 27 , and a step is formed between it and the movement restricting portion 223 , which is used to limit the position and prevent the follower 22 from coming out of the female buckle 20 . In this embodiment, the anti-dropping portion 224 is in a semi-cylindrical shape, and its inner diameter matches the outer diameter of the supporting portion 2822 , and can fit on the outer wall of the supporting portion 2822 . The portion 224 can move in the locking direction along the outer wall of the support portion 2822, so as to restrain the follower 22 from moving linearly. In other embodiments, the anti-detachment portion 224 may also be set in other shapes.

As shown in FIG. 3 and FIG. 5 , the guide portion 221 is provided on the anti-dropping portion 224 , and the guide portion 221 is provided with the guide surface 2211 . In this embodiment, a guide portion 221 is symmetrically provided on both sides of the anti-separation portion 224 , and guide surfaces 2211 are respectively provided on the guide portions 221 , and the guide surfaces 2211 are inclined to the locking direction. The inclination angle of the guide surface 2211 can be set as required. In this embodiment, the inclination angle between the guiding surface 2211 and the locking direction is 45°.

As shown in FIG. 3 and FIG. 5 , in the default state, the detachment prevention part 224 of the follower 22 is sleeved outside the support part 2822 , and the top of the detachment prevention part 224 is connected to the inner part of the upper shell 281 . The surfaces are spaced apart; the movement restricting portion 223 is located above the partition portion 2821 , and the top of the movement restricting portion 223 is located within the travel guide portion 27 . The follower 22 can be moved in the travel guide 27 in the blocking direction.

As shown in FIGS. 3 and 6 , the locking member 23 includes a locking portion 231 , a matching portion 233 and a baffle portion 234 . In this embodiment, the locking portion 231 , the matching portion 233 and the baffle portion 234 are integrally formed.

As shown in FIG. 3 and FIG. 6 , the locking portion 231 is in the shape of a flat plate, and one end of the locking portion 231 facing the locking tongue 11 is in the shape of an arc, which is used for locking the locking tongue 11 . In order to facilitate the locking tongue 11 to be squeezed into the locking hole to realize the locking connection, the side of the locking portion 231 facing the insertion hole 25 is provided with an introduction inclined surface 2311 . The lead-in oblique surface 2311 facilitates the locking tongue 11 to be squeezed into the lock hole, so that the locking portion 231 can lock the locking tongue 11 .

As shown in FIGS. 3 and 6 , the locking portion 231 is provided with the stroke hole 232 . In this embodiment, the stroke hole 232 is an elongated hole, which is centrally arranged on the locking portion 231 , one end of which is open and one end is closed but does not completely penetrate the locking portion 231 .

As shown in FIGS. 3 and 6 , the matching portion 233 protrudes vertically from the surface of the locking portion 231 . In this embodiment, the matching portions 233 are symmetrically arranged on both sides of the locking portion 231 , respectively protrude from the surface of the locking portion 231 and are symmetrically distributed on both sides of the stroke hole 232 . The matching surfaces 2331 are respectively provided on the matching portions 233 , and the matching surfaces 2331 are respectively fitted with the guide surfaces 2211 .

As shown in FIG. 3 and FIG. 6 , the baffle portion 234 protrudes vertically from the locking portion 231 , and is used for disposing the elastic member 24 . In this embodiment, the baffle portion 234 is located at the end of the stroke hole 232 , and a positioning protrusion 235 integrally formed with the baffle portion 234 is provided on the side away from the stroke hole 232 for positioning and arranging the elastic member twenty four.

As shown in FIGS. 3 and 4 , the elastic member 24 is a spring, one end of which is sleeved on the positioning protrusion 235 and abuts on the baffle portion 234 , and the other end is connected to the housing The inner wall of 28 abuts. The arrangement direction of the elastic member 24 is consistent with the arrangement direction of the stroke hole 232 .

Thereby, as shown in FIG. 2 and FIG. 3 , the female buckle 20 of this embodiment is formed: the upper shell 281 and the bottom shell 282 are connected in butt joints, and the upper shell 281 is provided with a through-hole-shaped stroke guide portion 27 , and the bottom shell 281 is The casing 282 is provided with an insertion hole 25, a partition 2821 is arranged between the travel guide part 27 and the insertion hole 25, and the partition 2821 is supported by the support part 2822; the latch assembly is movably arranged between the upper casing 281 and the bottom casing 282 , the follower 22 is provided with the first magnetic member 21 , the anti-detachment part 224 of the follower 22 is sleeved on the partition part 2821 and the support part 2822 , and the movement restraint part 223 of the follower 22 is located in the travel guide part 27 , the follower 22 can move in the locking direction; the latching part 231 of the latching part 23 protrudes out of the range of the socket 25 ; The mating surface 2331 is abutted with the guide surface 2211, and the locking member 23 can move in a direction perpendicular to the locking direction. The first limiting portion 26 on the bottom case 282 is located in the stroke hole 232 of the latching member 23 to restrict the linear movement of the latching member 23 , and the elastic member 24 abuts against the baffle portion 234 of the latching member 23 and the bottom case 282 between the inner walls and can be used for the reset of the latch assembly.

As shown in FIG. 1 , the shape of the magnetic unlocking module 30 is not limited, and a second magnetic member 31 is provided inside the magnetic unlocking module 30 . The shape of the second magnetic member 31 is preferably matched with the shape of the first magnetic member 21 . In this embodiment, the second magnetic member 31 is a circular magnet.

In this embodiment, when the magnetic unlocking module 30 is sucked onto the surface of the female buckle 20 , the magnetic unlocking module 30 is attached to the top of the movement restraining portion 223 , so that the magnetic unlocking module 30 can be moved by the magnetic unlocking module 30 . Drive the follower 22 to move.

The working principle of the magnetically unlocked fastener device of the present embodiment is as follows:

When the male buckle 10 and the female buckle 20 are brought close to each other in the locking direction, the magnetic attraction force between the third magnetic member 12 and the first magnetic member 21 will cause the lock tongue 11 to be aligned with the lock hole for insertion. During the insertion process, since the locking portion 231 is provided with an introductory inclined surface 2311 and the locking portion 231 is movably arranged, the locking tongue 11 can press the locking portion 231 to enter the locking hole, The locking connection between the male buckle 10 and the female buckle 20 is achieved so that the locking portion 231 is locked in the groove portion 112 of the locking tongue 11 .

When unlocking is required, move the magnetic unlocking module 30 close to the female buckle 20 , and the second magnetic member 31 in the magnetic unlocking module 30 attracts the first magnetic member 21 in the female buckle 20 so that the magnetic unlocking module 30 is attracted to the female buckle 20 The travel guide portion 27 of the traverse is in contact with the movement restriction portion 223 of the follower 22 . Then, the magnetic unlocking module 30 is directly pulled in the direction away from the male buckle 10 in the locking direction, and the second magnetic member 31 attracts the first magnetic member 21 to move, thereby driving the follower 22 to move away from the male buckle in the locking direction When the follower 22 moves, it will push the locking member 23 to move in the direction perpendicular to the locking direction through its guiding surface 2211, so that the locking portion 231 moves in the direction of exiting the insertion hole 25. Then, the locking tongue 11 is released, thereby realizing unlocking and separating the female buckle 20 and the male buckle 10 from each other.

During the unlocking process, the cooperation between the travel guide portion 27 and the movement restraining portion 223 can restrain the follower 22 from moving linearly in the locking direction; Linear movement is performed perpendicular to the locking direction, thereby ensuring the smoothness of the unlocking operation and improving the user experience.

After the unlocking is completed, when the magnetic unlocking module 30 is removed, the elastic member 24 will push the locking member 23 to reset, so that the locking member 23 moves in the direction of entering the insertion hole 25; the locking member 23 When moving, its mating surface 2331 acts on the guide surface 2211 of the follower 22 to push the follower 22, so that the follower 22 moves in the locking direction toward the direction close to the pin 10 and resets, so that the locking can be achieved. The components are fully reset.

In this embodiment, the magnetic unlocking module 30 attracts the first magnetic member 21 through the second magnetic member 31 to attract the follower 22, and then pulls the magnetic unlocking module 30 outward to drive the follower 22 to move away from the locking direction. The direction of the male buckle 10 is moved, thereby actuating the latch 23 to unlock and separate the female buckle 20 from the male buckle 10 . The operation direction of the magnetic unlocking module 30 is the same as the locking direction. The user only needs to pull the magnetic unlocking module 30 away from the female buckle 20 to actuate the unlocking assembly to unlock, and take the female buckle 20 away from the male buckle 10 . The operation is very simple, and the magnetic unlocking module 30 for unlocking is independent of the female buckle 20. Only by holding the magnetic unlocking module 30 to unlock the female buckle 20 and the male buckle 10 can the female buckle 20 and the male buckle 10 be unlocked. Unexpected unlocking and accidental unlocking are difficult to occur, so the security is very high.

Example 2

As shown in FIG. 7 , the structures of the male buckle 10 and the female buckle 20 in this embodiment are the same as those in Embodiment 1, and are not repeated in this embodiment. The magnetic unlocking module 30 of this embodiment is slightly different from that of the first embodiment.

A second magnetic member 31 is provided inside the magnetic unlocking module 30 of this embodiment. The shape of the second magnetic member 31 is preferably matched with the shape of the first magnetic member 21, and a circular magnet is used. The shape of the magnetic unlocking module 30 is not limited.

In addition, as shown in FIG. 7 , the magnetic unlocking module 30 is provided with a travel space 32 for the movement restricting portion 223 to move. The travel space 32 corresponds to the position of the second magnetic member 31 .

When the magnetic unlocking module 30 is sucked onto the surface of the female buckle 20 , the travel space 32 corresponds to the movement restricting portion 223 .

The travel space 32 may be a groove structure, which may be concave from the surface of the magnetic unlocking module 30 . In this embodiment, as shown in FIG. 7 , a surface of the magnetic unlocking module 30 is provided with a plurality of protrusions 33 protruding from the surface thereof, and the travel space 32 is enclosed between the protrusions 33 .

When the magnetic unlocking module 30 is sucked onto the surface of the female buckle 20, the convex portion 33 is in contact with the surface of the female buckle 20, and the surface of the magnetic unlocking module 30 is spaced from the surface of the female buckle, so that the A travel space is provided for the movement of the movement restricting portion 223 .

The locking principle and resetting principle of this embodiment are the same as those of Embodiment 1, and its unlocking principle is slightly different from that of Embodiment 1. The unlocking principle is as follows:

When unlocking is required, move the magnetic unlocking module 30 close to the female buckle 20 , and the second magnetic member 31 in the magnetic unlocking module 30 attracts the first magnetic member 21 in the female buckle 20 so that the magnetic unlocking module 30 and the follower 22 are attracted. The magnetic unlocking module 30 is attracted to the travel guide portion 27 of the female buckle 20 and the movement restricting portion 223 of the follower 22 moves toward the travel space 32 by pulling in toward each other. When the follower 22 moves in the direction of the travel space 32, it moves in the direction away from the male buckle 10 in the locking direction; when the follower 22 moves, it will push the latching member 23 along the vertical direction through its guiding surface 2211. Move in the direction of the locking direction, so that the locking part 231 moves in the direction of exiting the jack 25 to release the locking tongue 11, thereby realizing the unlocking, and then, take the magnetic unlocking module 30 or the female buckle 20 to move away from the male buckle 20. The action of the buckle 10 can separate the female buckle 20 from the male buckle 10 .

In this embodiment, since the magnetic unlocking module 30 is provided with a travel space 32, when the magnetic unlocking module 30 and the female buckle 20 are sucked together, the unlocking component inside the female buckle 20 is actuated to realize the unlocking; then, The magnetic unlocking module 30 can be directly taken to separate the female buckle 20 from the male buckle 10 . This structure, compared with the first embodiment, can be more convenient for the user to perform the unlocking operation, as long as the magnetic unlocking module 30 is pulled into the female buckle 20, the unlocking can be realized, and the user does not need to perform the action of pulling the magnetic unlocking module 30 to unlock. , so as to avoid the failure of unlocking due to the wrong direction of pulling the magnetic unlocking module 30 when the user operates.

Example 3

As shown in FIG. 8 to FIG. 10 , the structures of the male buckle 10 and the magnetic unlocking module 30 of this embodiment are the same as those of the first embodiment, and will not be repeated in this implementation.

The basic structure of the female buckle 20 of this embodiment is the same as that of the first embodiment, the difference is that, as shown in FIGS. The blind hole structure is formed by a cylindrical structure protruding on the inner surface of the upper case 281 . In the default state, the top of the movement restricting portion 223 is spaced apart from the inner top surface of the travel guide portion 27 , and the movement restricting portion 223 can move within the travel guide portion 27 .

The locking principle and the reset principle of the present embodiment are the same as those of Embodiment 1, and its unlocking principle is slightly different from that of Embodiment 1, and its unlocking principle is as follows:

When unlocking is required, move the magnetic unlocking module 30 close to the female buckle 20 , and the second magnetic member 31 in the magnetic unlocking module 30 attracts the first magnetic member 21 in the female buckle 20 so that the magnetic unlocking module 30 and the follower 22 are attracted. The magnetic unlocking module 30 is attracted to the travel guide portion 27 of the female buckle 20 , and the movement restricting portion 223 of the follower 22 faces the magnetic unlocking module 30 in the travel guide portion 27 Move, that is, move in the direction away from the male buckle 10 in the locking direction; during the movement of the follower 22, it will push the locking member 23 to move in the direction perpendicular to the locking direction through its guiding surface 2211, so that the The latching portion 231 moves in the direction of exiting the jack 25 to release the lock tongue 11 , thereby realizing the unlocking. Then, take the magnetic unlocking module 30 or the female buckle 20 and move it away from the male buckle 10 to release the female buckle 10 . The buckle 20 is separated from the male buckle 10 .

In this embodiment, since the top of the movement restricting portion 223 is spaced from the inner top surface of the travel guide portion 27, the movement restricting portion 223 has a moving space inside the female buckle 20. When the magnetic unlocking module 30 and the female buckle 20 are sucked together At this time, the unlocking component inside the female buckle 20 can be actuated to achieve unlocking; then, the magnetic unlocking module 30 can be directly taken to separate the female buckle 20 from the male buckle 10 . This structure, compared with the first embodiment, can be more convenient for the user to perform the unlocking operation, as long as the magnetic unlocking module 30 is pulled into the female buckle 20, the unlocking can be realized, and the user does not need to perform the action of pulling the magnetic unlocking module 30 to unlock. , so as to avoid the failure of unlocking due to the wrong direction of pulling the magnetic unlocking module 30 when the user operates.

Although the present invention is disclosed through the above embodiments, the scope of the present invention is not limited thereto, and the above components may be replaced by similar or equivalent elements known to those skilled in the art without departing from the concept of the present invention.

Claims

A buckle device for magnetic attraction and unlocking, comprising:

The male buckle (10) is provided with a protruding lock tongue (11);

The female buckle (20) is provided with a first magnetic member (21) and an insertion hole (25) through which the locking tongue (11) can freely enter and exit;

The male buckle (10) and the female buckle (20) can be locked and connected together along the locking direction, and can be separated;

It is characterized in that,

It also includes a magnetic unlocking module (30) independent of the female buckle (20), and the magnetic unlocking module (30) is provided with a second magnetic member (31) that can attract the first magnetic member (21). );

The female buckle (20) is provided with a locking component, which can lock the locking tongue (11) extending into the insertion hole (25) to make the male buckle (10) and the female buckle (20) mutually connect;

When using the magnetic unlocking module (30) to attract the first magnetic member (21) from the outside of the female buckle (20), the latch assembly can be actuated by the magnetic unlocking module (30) The male buckle (10) and the female buckle (20) can be separated from each other by releasing the locking tongue (11).
The fastener device for magnetic attraction and unlocking according to claim 1, characterized in that, the magnetic unlocking module (30) can attract the first magnetic member (21) through the second magnetic member (31) to make the first magnetic member (21). The magnetic element (21) moves in the direction away from the male buckle (10) in the locking direction to actuate the latching assembly to release the locking tongue (11).
The magnetic-suction-unlocking fastener device according to claim 1, wherein the latching assembly comprises:

a follower (22), which can move along the locking direction with the first magnetic member (21) under the attraction of the magnetic unlocking module (30);

The latching member (23) is provided with a latching portion (231) that can latch the lock tongue (11); the latching member (23) can be actuated by the follower (22) to make all The locking portion (231) moves in the direction of exiting the insertion hole (25).
The fastener device for unlocking by magnetic attraction according to claim 3, characterized in that,

The follower (22) is provided with a guide surface (2211) inclined to the locking direction;

The latching member (23) is provided with a mating surface (2331) that can fit with the guide surface (2211);

When the follower (22) moves in a direction away from the pin (10) in the locking direction, the guide surface (2211) acts on the mating surface (2331) to push the latching member (23) Move in a direction perpendicular to the locking direction.
The magnetic-suction-unlocking fastener device according to claim 3, wherein the latching assembly comprises:

The elastic member (24) is used for driving the latching member (23) to move so that the latching portion (231) can be restored to protrude within the range of the insertion hole (25).
The fastener device for magnetically attracting and unlocking according to claim 3, characterized in that, the follower (22) is provided with a magnet mounting portion (222), and the magnet mounting portion (222) faces the insertion hole. (25), the first magnetic member (21) is installed in the magnet installation portion (222).
The fastener device for unlocking by magnetic attraction according to claim 3, characterized in that,

The follower (22) is provided with a movement restriction portion (223);

The female buckle (20) is provided with a travel guide portion (27);

The movement restricting portion (223) is movable within the stroke guide portion (27) to restrict the movement of the follower (22) in the locking direction.
The magnetically unlocked fastener device according to claim 7, wherein the travel guide portion (27) is a blind hole or a through hole with an opening facing the movement restricting portion (223).
The magnetic unlocking fastener device according to claim 7, characterized in that, when the magnetic unlocking module (30) is adsorbed on the female buckle (20), the magnetic unlocking module (30) is connected to the magnetic unlocking module (30). The movement restraining portion (223) is fitted; when the magnetic unlocking module (30) is moved in a direction away from the male buckle (10) in the locking direction, the follower (22) follows the magnetic unlocking module (30). ) moves to actuate the latch (23) to move in a direction perpendicular to the locking direction to release the lock tongue (11).
The magnetic unlocking fastener device according to claim 7, characterized in that, when the magnetic unlocking module (30) is adsorbed on the female fastener (20), the movement restricting part (223) is in the The travel guide (27) moves toward the magnetic unlocking module (30) so that the follower (22) actuates the latch (23) to move in a direction perpendicular to the locking direction to release all Describe the lock tongue (11).
The magnetic unlocking fastener device according to claim 10, characterized in that the travel guide portion (27) is a through hole, and the magnetic unlocking module (30) is provided with a restricting portion for the movement (223) Stroke space (32) for movement in the locking direction.
The magnetically unlocked fastener device according to claim 10, wherein the travel guide portion (27) is a blind hole with an opening facing the movement restricting portion (223), and the movement restricting portion (223) has a blind hole. The top is spaced from the inner top surface of the travel guide (27).
The magnetically unlocked fastener device according to claim 7, characterized in that, the follower (22) is provided with a disengagement prevention portion (224) that cannot pass through the stroke guide portion (27), and the prevention portion (224) is provided. The escape part (224) is connected to the end of the movement restraining part (223) close to the insertion hole (25).
The fastener device for unlocking by magnetic attraction according to claim 3, characterized in that,

The locking member (23) is provided with a stroke hole (232), and the extending direction of the stroke hole (232) is the same as the movable direction of the locking member (23),

The female buckle (20) is provided with a first limiting portion (26), and the first limiting portion (26) is located in the travel hole (232) to restrain the movement of the locking member (23). .
The fastener device for magnetically attracting and unlocking according to claim 1, characterized in that a third magnetic member (12) is provided in the lock tongue (11), and the second magnetic member (31) is connected to the The magnetic attraction force between the first magnetic parts (21) is greater than the magnetic attraction force between the first magnetic part (21) and the third magnetic part (12).