TWI555904B - A magnetic latch and a engaging device having the magnetic latch - Google Patents

Description

Magnetic lock and joint device having the same

The present invention relates to a magnetic lock and an engaging device having the same, and more particularly to a magnetic lock that is controlled by an external magnet to switch between a locked state and a released state.

Taiwan Patent Publication No. I425720 discloses a magnetic connector structure including a first connector and a second connector, wherein the first connector includes a magnetic component; the second connector includes a magnetic conductive component; The magnetic element and the magnetic conductive element can be attracted to each other by magnetic force to combine the first connector and the second connector.

However, when the first connector is to be detached from the second connector, the user needs to apply a pulling force greater than the aforementioned magnetic force to the first connector to detach the first connector from the second connector. Disassembly is more laborious and inconvenient.

It is an object of the present invention to provide a magnetic latch that can be controlled by an external magnet being locked or unlocked.

It is still another object of the present invention to provide an engaging device having the magnetic lock.

Therefore, the magnetic lock of the present invention comprises a first magnetic buckle, a second magnetic button and an external magnet. The first magnetic button includes a first housing and a first magnetic member fixed to the first housing, the first housing having a first side and a first buckle opposite to the first side The first magnetic member is located between the first side and the first buckle portion. The second magnetic button includes a second housing corresponding to the first housing, and a second magnetic member slidably coupled to the second housing. The second housing has a second side, the second magnetic member has a second locking portion opposite to the second side, and one of the second magnetic member and the first magnetic member is a magnet, wherein The other is a magnetic conductive component, the magnet has a magnetic pole portion for magnetically attracting the magnetic conductive component, and the second magnetic component is positioned at a locking of the second latching portion to the first latching portion. position. The external magnet includes a magnetic pole segment having a magnetic force greater than the magnetic pole portion of the magnet, and the magnetic pole segment of the outer magnet is movable to one of the first side and the second side to slide the second magnetic member to the first The two latching portions are disengaged from a release position of the first latching portion.

In some embodiments, the polarity of the pole segment is the same as the polarity of the pole portion.

In some embodiments, the first latching portion is a latching hole, and the second latching portion is a stud that is snapped into the latching hole.

In some embodiments, the first magnetic member is the magnetically conductive element and the second magnetic member is the magnet.

In some embodiments, the first housing further has a first engaging surface opposite to the first side, and the first fastening portion is recessed toward the first side by the first engaging surface, the first Forming a positioning groove communicating with the first fastening portion and extending to the first side, the first magnetic member is fixed In the first positioning groove, the second housing further has a second engaging surface opposite to the second side and abutting the first engaging surface, and the second housing is formed with the second engaging surface Extending to the chute of the second side, the second magnetic member is slidably disposed in the chute.

In some embodiments, the chute has a first aperture portion adjacent to the second side, a second aperture portion adjacent to the second engagement surface and having a smaller aperture than the aperture of the first aperture portion, and a a blocking shoulder portion between the first aperture portion and the second aperture portion; the second fastening portion is disposed in the second aperture portion, and the second magnetic member further has a second buckle portion coupled to the second aperture portion The main body portion is disposed in the first aperture portion, and the stopping shoulder is configured to block the main body portion.

In some embodiments, the second magnetic member is the magnetically conductive element, and the first magnetic member is the magnet.

Thus, the present invention has a magnetic latching engagement device comprising a first component, a second component, and a magnetic latch. The magnetic lock comprises a first magnetic buckle, a second magnetic buckle and an external magnet. The first magnetic fastener includes a first housing fixed to the first component and a first magnetic component fixed to the first housing, the first housing having a first side and a opposite a first fastening portion on the first side, the first magnetic member being located between the first side and the first fastening portion. The second magnetic fastener includes a second housing member fixed to the second component and corresponding to the first housing member, and a second magnetic member slidably coupled to the second housing member, the second The shell member has a second side, the second magnetic member has a second latching portion opposite to the second side, and one of the second magnetic member and the first magnetic member is a magnet, and the other is Magnetic permeability The magnet has a magnetic pole portion for magnetically attracting the magnetic conductive component, and the second magnetic component is positioned at a locking position of the second latching portion of the second latching portion. The external magnet includes a magnetic pole segment having a magnetic force greater than the magnetic pole portion of the magnet, the polarity of the magnetic pole segment being the same as the polarity of the magnetic pole portion, the magnetic pole segment of the outer magnet being movable to the first side and the second side For example, the second magnetic member is slid to the second latching portion to be disengaged from a release position of the first latching portion.

In some embodiments, the polarity of the pole segment of the engagement device having the magnetic latch is the same as the polarity of the pole portion.

In some embodiments, the first latching portion of the engaging device having the magnetic latch is a latching hole, and the second latching portion is a stud that is snapped into the latching hole.

In some embodiments, the first magnetic member of the engagement device having a magnetic latch is the magnetically permeable member, and the second magnetic member is the magnet.

In some embodiments, the first housing of the engaging device having the magnetic latch has a first engaging surface opposite to the first side, and the first engaging portion faces the first engaging surface The first housing is formed in a positioning slot that communicates with the first fastening portion and extends to the first side. The first magnetic member is fixed in the first positioning slot, and the second housing is fixed. The body further has a second engaging surface opposite to the second side and abutting the first engaging surface, and the second housing is formed with a sliding slot extending from the second engaging surface to the second side, the first Two magnetic members are slidably disposed in the sliding slot.

In some implementations, the chute of the engagement device having the magnetic latch has a first aperture adjacent the second side, adjacent to the second a second aperture portion having a smaller aperture than the aperture of the first aperture portion, and a stop shoulder formed between the first aperture portion and the second aperture portion; the second buckle portion is disposed in the The second aperture portion further includes a main body portion connected to the second fastening portion and passing through the first aperture portion, the blocking shoulder portion for blocking the main body portion.

In some embodiments, the first magnetic clasp and the second magnetic clasp of the magnetic locking device are arranged in a first direction, and the second magnetic member is along the first direction in the chute Internally sliding, the first component includes a groove wall defining an engagement groove, the first housing is fixed to the groove wall, and the second component comprises an engagement protrusion, the engagement protrusion being perpendicular to a second direction of the first direction is inserted into the engagement groove, and the second housing is fixed to the engagement protrusion, wherein when the external magnet is adjacent to the first side, the second magnetic member slides to the The second latching portion is disengaged from a release position of the first latching portion.

In some embodiments, the engagement projection of the engagement device having the magnetic latch and the cross-section of the engagement recess along the first direction are non-circular.

The effect of the present invention is that the second fastening portion is formed on the second magnetic member, so that the second magnetic member itself is also used as a buckle portion, and the second magnetic member is controlled by a external magnet in a locked position. And moving between the unlocking positions, that is, controlling the engagement between the first magnetic buckle and the second magnetic buckle of the magnetic lock, and the first component and the first component of the magnetic locking device The limit of the two elements in the second direction. In this way, the second magnetic member can be unlocked without contacting the second magnetic member, and further, the application of a force greater than the first can be omitted. The pulling force of the magnetic attraction between the magnetic member and the second magnetic member.

100‧‧‧Joining device

314‧‧‧ first joint

10‧‧‧ first component

315‧‧‧First buckle

1‧‧‧ joint groove

316‧‧‧ positioning slot

11‧‧‧ slot wall

317‧‧‧ shoulder

111‧‧‧Limited space

32‧‧‧Second magnetic clasp

112‧‧‧First accommodation space

321‧‧‧ second housing

20‧‧‧second component

322‧‧‧Second magnetic parts

2‧‧‧ Bonding bumps

322A‧‧‧ Main Body

21‧‧‧Limited blocks

322B‧‧‧Second buckle

22‧‧‧Second accommodation space

322C‧‧‧Magnetic pole

3‧‧‧Magnetic lock

323‧‧‧ second side

31‧‧‧First magnetic buckle

324‧‧‧Second joint

311‧‧‧ first housing

325‧‧ ‧ chute

312‧‧‧First magnetic parts

325A‧‧‧First aperture

3121‧‧‧First cylinder

325B‧‧‧Second aperture

3122‧‧‧Second cylinder

326‧‧‧stop shoulder

312A‧‧‧Area

4‧‧‧External magnet

312A’‧‧‧ Magnetic pole

41‧‧‧Magnetic pole

313‧‧‧ first side

Other features and advantages of the present invention will be apparent from the embodiments of the present invention, wherein: Figure 1 is a cross-sectional view showing a first embodiment of the magnetic lock of the present invention; FIG. 3 is a cross-sectional view showing the second magnetic member of the first embodiment in an unlocked position; FIG. 4 is a cross-sectional view illustrating The second magnetic member of the first embodiment is in a locked position; FIG. 5 is a cross-sectional view showing the magnetism of a first magnetic member of the first embodiment adjacent to a first side; 6 is a schematic cross-sectional view showing a first magnetic clasp of the first embodiment being separated from a second magnetic clasp; FIG. 7 is a cross-sectional view showing the outer magnet of the first embodiment being close to a second Side view and attracting the second magnetic member to the unlocking position; FIG. 8 is a schematic cross-sectional view showing that the first magnetic buckle of the first embodiment is away from a second magnetic buckle; FIG. 9 is a schematic cross-sectional view A second magnetic member of a second embodiment of the magnetic lock of the present invention is illustrated Unlocking position; FIG. 10 is a schematic cross sectional view, indicating that the second magnetic member of the second embodiment in a locked position; Figure 11 is a cross-sectional view showing an external magnet of the second embodiment adjacent to a second side and attracting the second magnetic member to the unlocking position; Figure 12 is a cross-sectional view showing the second embodiment A first magnetic clasp is away from a second magnetic clasp; FIG. 13 is a cross-sectional view showing an embodiment of the present invention having the magnetic clasp locking device; FIG. 14A is a front view showing the implementation FIG. 14B is a right side view showing the first component of the embodiment; FIG. 14C is a top view showing the first component of the embodiment; FIG. 15A is a front view. A second component of the embodiment is illustrated; FIG. 15B is a right side view showing the second component of the embodiment; FIG. 15C is a bottom view showing the second component of the embodiment; and FIG. A cross-sectional view showing an external magnet of the embodiment is adjacent to a first side and magnetizes a first magnetic member.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Please refer to FIG. 1 to FIG. 3, which is a first embodiment of the magnetic lock of the present invention. The magnetic lock 3 includes a first magnetic buckle 31, a second magnetic buckle 32 and an external magnet 4 (see FIG. 5). The first magnetic fastener 31 includes a first housing 311 and a first magnetic member 312 fixed to the first housing 311.

The first housing 311 has a first side 313 on opposite end faces, and a first engaging surface 314. The first housing 311 further has a formation. a first fastening portion 315 on the first engagement surface 314 and opposite to the first side 313, a positioning groove 316 formed on the first side 313, and a shoulder portion 317. The first fastening portion 315 of the embodiment is a card hole that is recessed from the first joint surface 314 toward the first side 313 and has a cylindrical shape. The positioning groove 316 also has a cylindrical hole, and the positioning is performed. The slot 316 is in communication with the first latching portion 315 and extends to the first side 313. The slot of the positioning slot 316 is larger than the aperture of the first latching portion 315. A shoulder 317 is formed between the positioning groove 316 and the first fastening portion 315.

The first magnetic member 312 is a cylindrical magnetic conductive member, and the first magnetic member 312 is made of a metal material such as iron. The first magnetic member 312 has a first cylinder 3121 and a second cylinder 3122 protruding from one end of the first cylinder 3121. The outer diameter of the first cylinder 3121 is larger than the outer diameter of the second cylinder 3122. The first cylinder 3121 is bored and engaged in the positioning groove 316 and abuts the shoulder 317. The second cylinder 3122 is pierced and snapped. In the first fastening portion 315, the end surface of the second cylinder 3122 is spaced apart from the first joint surface 314 by a distance. The first magnetic member 312 is located between the first side 313 and the first fastening portion 315 .

The shape of the first housing 311, the first fastening portion 315 and the first magnetic member 312 are described in the preceding paragraph for the convenience of understanding the present invention and are not intended to limit the scope of the present invention.

The second magnetic clasp 32 includes a second housing 321 corresponding to the first housing 311 and a second magnetic member 322 slidably coupled to the second housing 321 . The second housing 321 has a cylindrical shape and has a second side 323 on opposite end faces and a contact with the first engaging surface 314 . The second joint surface 324 and a sliding groove 325 extending from the second joint surface 324 to the second side 323. The second magnetic member 322 is slidably disposed in the sliding slot 325, and the sliding slot 325 has a cylindrical shape. The sliding slot 325 has a first aperture portion 325A and a first aperture portion 325A. The second aperture portion 325B is adjacent to the second side 323. The second aperture portion 325B is adjacent to the second engagement surface 324 and has a smaller aperture than the first aperture portion 325A. In addition, the second housing 321 defines a stopping shoulder 326 between the first aperture portion 325A and the second aperture portion 325B for blocking the second magnetic member 322.

The second magnetic member 322 is a magnet having a magnetic pole and has a cylindrical shape and is matched with the shape of the sliding slot 325. The second magnetic member 322 has a main body portion 322A and a protruding portion at one end of the main body portion 322A. The second fastening portion 322B has an outer diameter greater than an outer diameter of the second fastening portion 322B. The main body portion 322A is slidably disposed in the first aperture portion 325A and is slidable by the blocking shoulder portion 326, and the second fastening portion 322B is slidably disposed in the second aperture portion. The position within 325B is opposite to the second side 323.

Referring to FIG. 3 and FIG. 4 , in the present example, the first magnetic member 312 is the magnetic conductive element and the second magnetic member 322 is used as the magnet to illustrate the operation mode of the magnetic lock 3 , but not Limiting the scope of the invention to be protected. The second fastening portion 322B of the second magnetic member 322 (ie, the magnet) has a magnetic pole portion 322C for magnetically attracting the first magnetic member 312 (ie, the magnetic conductive member). When the first joint surface 314 is engaged with the second joint surface 324, the magnetic pole portion 322C magnetically attracts the first magnetic member 312 (ie, the magnetic conductive element), The second magnetic member 322 (ie, the magnet) is positioned at a locking position of the second fastening portion 322B of the first fastening portion 315 (as shown in FIG. 4).

It is to be noted that, in this embodiment, the first fastening portion 315 is a card hole and the second fastening portion 322B is a protrusion that can be buckled in the first fastening portion 315. When the second fastening portion 322B is engaged in the first fastening portion 315, the purpose of locking the first magnetic buckle 31 and the second magnetic buckle 32 can be achieved. However, the first fastening portion 315 and the second fastening portion 322B may be other structures that can achieve the purpose of the engagement in other embodiments, and are not limited to the protruding post and the card hole described in this embodiment. Matching form.

Referring to FIG. 5 , the external magnet 4 is a powerful magnet having a magnetic force greater than the magnetic force of the second magnetic member 322 . The external magnet 4 includes a magnetic pole segment 41 , and the polarity of the magnetic pole segment 41 and the second magnetic member 322 . The polarity of the magnetic pole portion 322C is the same. In the present embodiment, the polarity of the magnetic pole segment 41 and the polarity of the magnetic pole portion 322C are all described by S, but may be an N pole, which is not disclosed in the embodiment. Polarity is limited.

In the first embodiment, when the locked state between the first fastening portion 315 of the first magnetic buckle 31 and the second fastening portion 322B of the second magnetic buckle 32 is to be released, the external magnet 4 The pole segment 41 can be moved to one of the first side 313 and the second side 323, and both can move the second magnetic member 322 away from the locked position. The specific operation modes are as follows:

Referring to FIG. 4, when the first bonding surface 314 is engaged with the second bonding surface 324, the magnetic pole portion 322C of the second magnetic member 322 (ie, the magnet) is the first magnetic member 312 (ie, the The magnetically conductive element is polarized such that the region of the first pillar 3121 adjacent to the second magnetic member 322 has an S pole and the The second cylinder 3122 has an N pole, so that the second magnetic member 322 can be slid toward the first magnetic member 312 by the magnetic attraction between the first and second magnetic members 312, 322, so that The second magnetic member 322 is positioned at a locked position of the second fastening portion 322B of the first fastening portion 315 .

Referring to FIG. 5 and FIG. 6, when the magnetic pole segment 41 of the outer magnet 4 moves to the first side 313 and magnetically attracts the first cylinder 3121 of the first magnetic member 312, the magnetic force of the outer magnet 4 is greater than The magnetic force of the second magnetic member 322 is changed, so that the polarities of the first magnetic member 312 are changed, so that the first cylinder 3121 of the first magnetic member 312 (ie, the magnetic conductive member) is adjacent to the magnetic pole segment 41. The polarity of the region becomes N pole, and the polarity of the second pillar 3122 of the first magnetic member 312 (ie, the magnetic guiding member) adjacent to the second magnetic member 322 (ie, the magnet) becomes the S pole. Since the polarity of the second cylinder 3122 of the first magnetic member 312 is the same as the polarity of the magnetic pole portion 322C of the second magnetic member 322 (ie, the magnet), the repulsive force is forced by the principle that the same polarity repels each other. The second magnetic member 322 (ie, the magnet) slides to the second latching portion 322B to be disengaged from a release position of the first latching portion 315 (as shown in FIG. 5). Thus, the engagement between the first magnetic clasp 31 and the second magnetic clasp 32 is released, so that the first magnetic clasp 31 can be away from the second magnetic clasp 32 (see FIG. 6); Referring to FIG. 7 and FIG. 8, when the magnetic pole segment 41 of the outer magnet 4 moves to the second side 323 and is adjacent to the main body portion 322A of the second magnetic member 322, it is opposite to the main body portion 322A of the magnetic pole segment 322C. The polarity is N pole. Therefore, the magnetic pole segment 41 attracts the main body portion 322A of the second magnetic member 322 (ie, the magnet), and the second magnetic member 322 (ie, the magnet) is slid to the second fastening portion 322B. Released from the first latching portion 315 Set (see Figure 7).

Through the above two operation modes, the second magnetic member 322 can be slid from the locked position to the unlocking position to release the locked state between the first fastening portion 315 and the second fastening portion 322B. A magnetic clasp 31 can be separated from the second magnetic clasp 32.

Referring to FIG. 9 to FIG. 11 , which is a second embodiment of the magnetic lock of the present invention, the structure of the magnetic lock 3 is substantially the same as that of the first embodiment. The main difference is that the first magnetic member 312 is the magnet, and the first The second cylinder 3122 has a magnetic pole portion 312A' adjacent to the second magnetic member 322, and the second magnetic member 322 is the magnetic conductive member. The polarity of the magnetic pole portion 41 is the same as the polarity of the magnetic pole portion 312A'. In the present embodiment, the polarity of the magnetic pole segment 41 and the polarity of the magnetic pole portion 312A' are both S poles, but not limited thereto.

Referring to FIG. 10, when the first bonding surface 314 is engaged with the second bonding surface 324, the magnetic pole portion 312A' of the first magnetic member 312 (ie, the magnet) magnetically attracts the second magnetic member 322 (ie, the The magnetic component 312 slides the second magnetic component 322 (ie, the magnetic component) along the sliding slot 325 to the locking position, so that the second fastening component 322B is inserted into the first fastening component 315. At this time, the polarity of the region of the second latching portion 322B of the second magnetic member 322 adjacent to the second pillar 3122 is N pole, and the polarity of the body portion 322A is S pole.

Referring to FIG. 11 and FIG. 12, when the magnetic pole segment 41 of the outer magnet 4 moves to the second side 323 and is adjacent to the main body portion 322A of the second magnetic member 322 (ie, the magnetic conductive member), the external magnet 4 is The magnetic force is greater than the magnetic force of the first magnetic member 312 (ie, the magnet), and therefore, the polarities of the second magnetic member 322 (ie, the magnetically permeable member) are changed, so that the second magnetic member 322 is The polarity of the main body portion 322A is changed to the N pole, and the polarity of the region of the second hook portion 322B adjacent to the second cylinder 3122 is changed to the S pole, and the second magnetic member 322 is attracted by the magnetic pole segment 41 of the external magnet 4. . At the same time, the second magnetic member 322 is slid to the release of the second latching portion 322B from the first latching portion 315 by the repulsive force generated between the second cylinder 3122 and the magnetic pole portion 312A. Positioning, thereby releasing the engagement between the first magnetic clasp 31 and the second magnetic clasp 32, so that the first magnetic clasp 31 can be disengaged from the second magnetic clasp 32 (see FIG. 12).

Referring to FIG. 13, an embodiment of the present invention has a magnetic latching engagement device 100. The engagement device 100 includes a first component 10, a second component 20, and a magnetic lock 3 of the first embodiment. . In addition, the first magnetic clasp 31 and the second magnetic clasp 32 are aligned along a first direction D1, and the second magnetic member 322 is slidable in the sliding slot 325 along the first direction D1. 20 has an engaging projection 2 which can be inserted into an engaging groove 1 formed in the first member 10 in a second direction D2 perpendicular to the first direction D1.

Referring to FIG. 14A to FIG. 14C , the first component 10 further has a slot wall 11 defining the engaging recess 1 , a limiting space 111 extending from the inner wall of the slot wall 11 facing the outer wall surface, and a The limiting space 111 is connected to receive the first accommodating space 112 of the first magnetic buckle 31.

Referring to FIG. 15A to FIG. 15C , the second component 20 further has a limiting block 21 protruding from the engaging protrusion 2 and a second receiving space 22 for receiving the second magnetic latch 32 . The shape of the second accommodating space 22 is corresponding to the cylindrical shape of the second magnetic clasp 32, so the second magnetic clasp 32 can be glued. The first magnetic fastener 31 can also be fixedly disposed in the first accommodating space 112 in a glued manner.

In this embodiment, when the engaging protrusion 2 of the second component 20 is inserted into the engaging groove 1 of the first component 10, the limiting protrusion 21 is engaged in the limiting space 111. To limit the rotation of the first element 10 about the axis of the second element 20 in the second direction D2. In addition, the cross-section of the engaging projection 2 and the engaging groove 1 along the first direction D1 is a rectangle, and the non-circular matching of the cross-sections also has the effect of limiting the aforementioned rotation.

Referring to FIG. 13 and FIG. 4, when the engaging projection 2 of the second component 20 is inserted into the engaging groove 1 of the first component 10 in the second direction D2, the first magnetic latch 31 A joint surface 314 and the second joint surface 324 of the second magnetic clasp 32 will engage as shown in FIG. Referring to the foregoing first embodiment, the magnetic attraction between the first magnetic member 312 and the second magnetic member 322 will move the second magnetic member 322 to the locked position, so that the joint is convex. The block 2 cannot be withdrawn from the engaging groove 1 in the second direction D2 for the purpose of fixing the first element 10 and the second element 20 to each other.

Referring to FIG. 16, when the first component 10 is separated from the second component 20, when the magnetic pole segment 41 of the outer magnet 4 moves to the first side 314, the second magnetic component 322 (ie, the magnet) is forced. Slide to the release position. The engagement between the first magnetic clasp 31 and the second magnetic clasp 32 is released, so that the first element 10 can be away from the second element 20 in the second direction D2.

It is to be noted that, in the magnetic lock 3 of the engaging device 100 of the present embodiment, the magnetic pole segment 41 of the outer magnet 4 is brought close to the first side 313 as shown in FIGS. 5 and 6 of the first embodiment. The mode is unlocked. It should be inferred by those skilled in the art that in other embodiments, the first magnetic clasp 31 can also be disposed on the engaging projection 2 of the second component 20, and the second magnetic clasp 32 is Correspondingly arranged on the groove wall 11 of the first element 10. At this time, the magnetic lock 3 of the engaging device 100 can also be unlocked in such a manner that the magnetic pole segment 41 of the outer magnet 4 approaches the second side 323 as shown in FIGS. 7 and 8 of the first embodiment. . In addition, in other variations, the second magnetic button 32 can be disposed on the slot wall 11 of the first component 10 and the second magnetic component 322 can be used as the magnetic component. That is, the magnetic pole segment 41 of the outer magnet 4 is released from the second side 323 as shown in Figs. 11 and 12 of the second embodiment.

In this embodiment, the plugging and fixing of the first component 10 and the second component 20 in the second direction D2 may be such that the first component 10 and the second component 2 together form a combination extending in the second direction D2. body. Such an assembly can be applied to a wide range of articles, such as joining the first component 10 to the heel of a high heel and extending the heel in the second direction D2 such that the user can pass the second component 20 The first component 10 is locked and fixed to increase the height of the high-heeled shoe. Conversely, when the heel of the high-heeled shoe is to be restored to the initial height, the second component 20 and the first component can also be released by an external magnet 4. The lock between the locks is fixed.

In summary, the second fastening portion 322B is formed on the second magnetic portion. The second magnetic member 322 itself is also used as a snap member. The second magnetic member 322 is controlled to move between the locked position and the unlocked position by an external magnet 4, thereby controlling the magnetic buckle. Engagement between the first magnetic clasp 31 and the second magnetic clasp 32 of the lock 3, and the first element 10 and the second element 20 of the engaging device 100 having the magnetic lock 3 in the second direction Limit on D2. Thus, the second magnetic member 322 can be unlocked without contacting the magnetic member 322. Further, a pulling force that exerts a force greater than the magnetic attraction between the first magnetic member 312 and the second magnetic member 322 can be omitted. In addition, the limiting block 21 is engaged in the limiting space 111 to prevent the first component 10 from rotating about the axis of the second component 20 in the second direction D2. Therefore, the object of the present invention can be achieved.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and the simple equivalent changes and modifications made by the scope of the patent application and the patent specification of the present invention are It is still within the scope of the invention patent.

3‧‧‧Magnetic lock

31‧‧‧First magnetic buckle

311‧‧‧ first housing

312‧‧‧First magnetic parts

3121‧‧‧First cylinder

3122‧‧‧Second cylinder

312A‧‧‧Area

313‧‧‧ first side

32‧‧‧Second magnetic clasp

321‧‧‧ second housing

322‧‧‧Second magnetic parts

322A‧‧‧ Main Body

322B‧‧‧Second buckle

322C‧‧‧Magnetic pole

4‧‧‧External magnet

41‧‧‧Magnetic pole

Claims (15)

A magnetic latch comprises: a first magnetic latch comprising a first housing and a first magnetic member fixed to the first housing, the first housing having a first side and a opposite a first latching portion on the first side, the first magnetic member is located between the first side and the first latching portion; and a second magnetic latch includes a second shell corresponding to the first housing a second magnetic member slidably coupled to the second housing, the second housing having a second side, the second magnetic member having a second latch opposite the second side One of the second magnetic member and the first magnetic member is a magnet, and the other one is a magnetic conductive member, the magnet has a magnetic pole portion for magnetically attracting the magnetic conductive member, and the second magnetic member is Positioning at a locking position of the second fastening portion of the first fastening portion; and an external magnet comprising a magnetic pole segment having a magnetic force greater than the magnetic pole portion of the magnet, the magnetic pole segment of the external magnet being movable Up to one of the first side and the second side, sliding the second magnetic member to the second buckle portion to be disengaged from the first buckle A lock release position. The magnetic lock according to claim 1, wherein the polarity of the magnetic pole segment is the same as the polarity of the magnetic pole portion. The magnetic latch of claim 1, wherein the first latching portion is a latching hole, and the second latching portion is a stud that is snapped into the latching hole. The magnetic lock according to claim 1, wherein the first magnetic member is the magnetic conductive member, and the second magnetic member is the magnet. The magnetic lock according to claim 4, wherein the first housing further has a first engaging surface opposite to the first side, the first engaging portion is facing the first side by the first engaging surface The first housing forms a positioning slot that communicates with the first fastening portion and extends to the first side. The first magnetic member is fixed in the first positioning slot, and the second housing is further Having a second engagement surface opposite to the second side and abutting the first engagement surface, the second housing is formed with a sliding slot extending from the second engagement surface to the second side, the second magnetic The piece is slidably disposed in the chute. The magnetic lock according to claim 5, wherein the chute has a first aperture portion adjacent to the second side, a second aperture portion adjacent to the second engagement surface and having a smaller aperture than the aperture of the first aperture portion And a stopping shoulder formed between the first aperture portion and the second aperture portion; the second fastening portion is disposed in the second aperture portion, and the second magnetic member further has a connection The second latching portion is disposed through the main body portion of the first aperture portion, and the stopping shoulder is configured to block the main body portion. The magnetic lock according to claim 1, wherein the second magnetic member is the magnetic conductive member, and the first magnetic member is the magnet. An engaging device having a magnetic latch, comprising: a first component, a second component, and a magnetic latch, comprising a first magnetic latch, comprising a first housing fixed to the first component and a first housing a first magnetic member fixed to the first housing, the first housing having a first side and a first buckle portion opposite to the first side, the first a magnetic member is disposed between the first side and the first fastening portion, and a second magnetic fastener includes a second housing member fixed to the second component and corresponding to the first housing member, and a a second magnetic member slidably coupled to the second housing member, the second housing member having a second side, the second magnetic member having a second latching portion opposite to the second side, the second One of the magnetic member and the first magnetic member is a magnet, and the other one is a magnetic conductive member, the magnet has a magnetic pole portion for magnetically attracting the magnetic conductive member, and the second magnetic member is positioned at the first The second latching portion is fastened to a locking position of the first latching portion, and an external magnet includes a magnetic pole segment having a magnetic force greater than the magnetic pole portion of the magnet, the polarity of the magnetic pole segment being the same as the polarity of the magnetic pole portion. The magnetic pole segment of the outer magnet is movable to one of the first side and the second side to slide the second magnetic member to a release position of the second buckle portion from the first buckle portion . The engagement device with a magnetic lock according to claim 8, wherein the polarity of the magnetic pole segment is the same as the polarity of the magnetic pole portion. The engagement device with a magnetic lock according to claim 8, wherein the first fastening portion is a card hole, and the second fastening portion is a protrusion that is buckled in the hole. The engagement device with a magnetic lock according to claim 8, wherein the first magnetic member is the magnetic conductive member, and the second magnetic member is the magnet. The engagement device with a magnetic lock according to claim 11, wherein the first housing further has a first engagement surface opposite to the first side, the first fastening portion is facing by the first engagement surface The first side direction is recessed, the first Forming a positioning groove communicating with the first fastening portion and extending to the first side, the first magnetic member is fixed in the first positioning groove, and the second housing is further opposite to the first a second side of the second joint surface abutting against the second joint surface, the second casing is formed with a sliding groove extending from the second joint surface to the second side, the second magnetic member is slidably disposed on Inside the chute. The magnetic latching engagement device of claim 12, wherein the sliding slot has a first aperture portion adjacent to the second side, a second adjacent engagement surface, and an aperture smaller than the aperture of the first aperture portion a second aperture portion, and a stop shoulder formed between the first aperture portion and the second aperture portion; the second buckle portion is disposed through the second aperture portion, and the second magnetic member further has a main body portion connected to the second fastening portion and passing through the first aperture portion, the blocking shoulder portion for blocking the main body portion. The magnetic latching engagement device of claim 13, wherein the first magnetic buckle and the second magnetic buckle are aligned along a first direction, and the second magnetic member is along the first direction Sliding in the sliding slot, the first component includes a slot wall defining an engaging recess, the first housing is fixed to the slot wall, and the second component includes an engaging protrusion, and the engaging bump can be along the slot a second direction perpendicular to the first direction is inserted into the engaging recess, the second housing is fixed to the engaging protrusion, wherein the second magnetic member slides when the outer magnet is adjacent to the first side The second latching portion is disengaged from a release position of the first latching portion. The engagement device with a magnetic lock according to claim 14, wherein the engagement projection and the section of the engagement groove along the first direction are taken It is non-circular.