TWI694202B - Magnetic locking mechanism - Google Patents

Abstract

The magnetic locking mechanism includes a first housing and a second housing. The first housing and the second housing are provided with an interlocking locking structure. The locking structure comprises a guiding member on the first housing, and a locking member on the second housing. The guiding member is provided with a first through hole, and the magnetic locking mechanism further comprises an unlocking member, wherein the unlocking member is used for adsorbing the locking member. When the second housing is moved to the predetermined position in the direction of the guiding member, the locking member protrudes into the first through hole, and the second housing is locked to the first housing. When the unlocking member is used to adsorb the locking member protrusion into the first through hole ,the locking member is separated from the first through hole, and the second housing is unlocked from the first housing. The magnetic locking mechanism provided above has a simple structure and is convenient for locking and unlocking.

Description

Magnetic attachment lock mechanism

The invention relates to a locking mechanism, in particular to a magnetic-type locking mechanism.

The original way of fixing the cabinet and the upper cover is usually to fix it with screws, or use rivet screws to fix the cabinet and the upper cover to lock the cabinet and the upper cover together. When the upper cover needs to be removed from the casing, a screwdriver is usually needed to remove the screws that are locked on the casing and the upper cover. Although the subsequent design office has some structures that can automatically lock to lock the upper cover and the cabinet, these automatic locking structures can be easily unlocked, so that the automatic locking structure fails to achieve effective locking purposes.

In view of this, it is necessary to provide a magnetic locking mechanism, which aims to lock the cabinet and the upper cover without using screws to lock, and cannot easily unlock the cabinet and the upper cover.

A magnetic attracting locking mechanism includes a first housing and a second housing. A mutually matching locking structure is provided between the first housing and the second housing. The locking structure includes a A guide member on the first casing and a locking member provided on the second casing, the locking member includes a telescopic rod, the guide member includes a connecting portion, a first protruding portion, a first Two protruding parts and inclined parts, the inclined parts and all The first protruding portion and the second protruding portion are spaced apart, the connecting portion is connected to the inclined portion, the second protruding portion is provided with a first through hole, and the magnetic lock is attached The mechanism further includes an unlocking member for attracting the locking member; when the locking member moves to a predetermined position in the direction of the guide member, the telescopic rod protrudes into the first passage In the hole, the second housing is locked on the first housing; when the unlocking member is used to attract the locking member protruding into the first through hole, the telescopic rod A through hole is retracted, and the second housing is unlocked from the first housing.

In at least one embodiment, the locking member includes a fixing portion and an elastic member, the fixing portion is provided on the second housing, the elastic member is received in the fixing portion, and the telescopic rod portion The elastic part is accommodated in the fixing part and arranged on the telescopic rod.

In at least one embodiment, the telescopic rod includes a first end and a second end opposite to the first end, and the diameter of the telescopic rod increases from the first end to the second end.

In at least one embodiment, the fixing portion is provided with a second through hole communicating from the third end to the opposite fourth end, the third end is provided with a first resisting portion, and the fourth end is provided with In the second resisting portion, the telescopic rod is provided with a third resisting portion and a fourth resisting portion that cooperate with the first resisting portion and the second resisting portion.

In at least one embodiment, one end of the elastic member resists the first resisting portion, and the other end resists the fourth resisting portion.

In at least one embodiment, the first protrusion and the second protrusion extend toward the inner side of the first housing and the first protrusion and the second protrusion do not exist same plane.

In at least one embodiment, the second housing includes a bending portion, and the locking member is provided on the bending portion.

In at least one embodiment, the guide includes a connecting portion, an inclined portion, and a third protruding portion, both ends of the third protruding portion are respectively connected to the connecting portion and the inclined portion, and the The third protruding portion protrudes toward the inner side of the first housing, and the first through hole is provided on the third protruding portion.

In at least one embodiment, the unlocking member includes a buckle and a magnetic member, the magnetic member is disposed in the buckle, and the magnetic member is used to attract the telescopic rod.

In at least one embodiment, the fastener includes a plurality of hooks, the hooks form a receiving cavity, and the magnetic member is disposed in the receiving cavity.

The magnetic locking mechanism provided above is provided with mutually matching locking structures on the first casing and the second casing, and the locking structure includes the one provided on the first casing A guide member and a locking member provided on the second housing, the locking member includes a telescopic rod, the guide member is provided with a first through hole, and the magnetic-type locking structure further includes unlocking When the locking member moves to a predetermined position along the guide, the telescopic rod protrudes into the first through hole, and the second housing is locked on the first housing When the unlocking key is used to attract the locking member, the telescopic rod is retracted from the first through hole, and the second housing can be unlocked from the first housing.

By using the above-mentioned magnetic-type locking mechanism, the first housing and the second housing can be locked without using screws, which simplifies the locking process and has a simple structure. The unlocking is performed by the unlocking member, which improves the safety between the first housing and the second housing.

100: magnetic attraction lock mechanism

10: First shell

11: First side wall

12: Guide

121: Connection

122: the first inclined part

123: Second inclined part

124: third inclined part

125: fourth inclined part

126: The first protrusion

127: Second protrusion

128: third protrusion

129: first through hole

20: Second shell

21: Bending section

22: fixing hole

30: Locking piece

31: fixed part

311: third end

312: Fourth end

313: Second through hole

314: First resistance

315: Second resistance

32: Telescopic rod

A: the first end

B: the second end

321: The third resistance

322: Fourth resistance

33: Elastic parts

40: unlock piece

41: Buckle

411: Card hook

412: containment cavity

42: Magnetic parts

FIG. 1 is a perspective view of a magnetic lock mechanism.

FIG. 2 is an exploded view of the magnetic lock mechanism shown in FIG. 1. FIG.

Figure 3 is a cross-sectional view of the locking member.

4 is a schematic diagram when the locking member moves to the position of the first protrusion.

FIG. 5 is a schematic diagram of the locking member against the inclined portion.

6 is a schematic diagram when the locking member moves to the position of the first through hole.

FIG. 7 is a schematic diagram when the unlocking member attracts the locking member.

FIG. 8 is an exploded view of a magnetic lock mechanism of another embodiment.

The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to another element or there may be a center element at the same time. When an element is considered to be "located on" another element, it may be directly placed on another element or there may be a centering element at the same time. The terms "top", "bottom", "upper", "lower", "left", "right", "front", "rear", and similar expressions used herein are for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention. The terminology used in the description of the present invention herein is for the purpose of describing specific embodiments, and is not intended to limit the present invention.

First embodiment

Please refer to FIG. 1, a magnetic attraction lock mechanism 100 is used to lock or unlock the two housings.

1 and 2, the magnetic lock mechanism 100 includes a first housing 10 and a second housing 20, and the first housing 10 and the second housing 20 are provided with each other Cooperating locking structure. The locking structure includes a guide member 12 provided on the first housing 10 and a locking member 30 provided on the second housing 20. The locking member 30 includes a telescopic rod 32. The guide 12 is provided with a first A through hole 129, the magnetic attraction lock mechanism 100 further includes an unlocking member 40, and the unlocking member 40 is used to attract the locking member 30.

When the locking member 30 moves to a predetermined position in the direction of the guide member 12, the telescopic rod 32 protrudes into the first through hole 129, and the second housing is locked to the first A housing 10; when the unlocking member 40 is used to attract the locking member 30 protruding into the first through hole 129, the telescopic rod 32 is retracted from the first through hole 129, so The second housing 20 is unlocked from the first housing 10.

Referring to FIG. 2, the first housing 10 is generally a hollow structure with an unclosed upper end, and is generally a square body structure. Further, the first housing 10 is a cabinet. A guide 12 is provided at the position of the first side wall 11 of the first housing 10, and the guide 12 is close to the upper end of the first housing 10. It can be understood that the first housing 10 can be replaced with other shapes. The guide 12 is not limited to be provided at the position of the first side wall 11, but can also be provided on other side walls.

Referring to FIG. 2, the length of the guide 12 is approximately the same as the length of the first side wall 11. The guide 12 includes a connecting portion 121. In an embodiment, the two ends of the guide 12 are respectively provided with the connecting portions 121. The guide 12 passes through the connecting portion 121 and the first side wall 11 Connect. The guide 12 further includes a first inclined portion 122, a second inclined portion 123, a third inclined portion 124, a first protruding portion 126, and a second protruding portion 127, which are substantially provided at an intermediate position. The first inclined portion 122, the second inclined portion 123, the third inclined portion 124, the first protrusion 126 and the second protrusion 127 are spaced apart. Specifically, the first inclined portion 122 and the second inclined portion 123 are respectively provided at both ends of the first protruding portion 126 and connected to the first protruding portion 126. The second inclined portion 123 and the third inclined portion 124 are respectively provided at both ends of the second protruding portion 127 and connected to the second protruding portion 127. The other ends of the first inclined portion 122 and the third inclined portion 124 are respectively connected to the connecting portion 121.

Further, the first inclined portion 122, the second inclined portion 123, and the third inclined portion 124 are all inclined toward the inside of the first housing 10. Then, the first protrusion 126 and the second protrusion 127 protrude toward the inside of the first housing 10, and the first protrusion 126 and the second protrusion 127 are The first side walls 11 are substantially parallel. In an embodiment, the first protrusion 126 and the second protrusion 127 are not in the same plane, and the distance between the first protrusion 126 and the first side wall 11 is greater than the first The distance between the two protruding portions 127 and the first side wall 11 so that the locking member 30 has a sufficient distance to be placed between the first side wall 11 and the guide 12 and then continue along The guide 12 moves. The first through hole 129 is opened on the second protrusion 127 to cooperate with the locking member 30. It can be understood that, in other embodiments, the inclined portion and the protruding portion of the guide 12 may be replaced with other forms according to the structure of the locking member 30, such as directly making the first protruding portion 126 It is on the same plane as the second protrusion 127. At this time, the length of the locking member 30 generally needs to be increased, and the position of the first through hole 129 can also be adjusted accordingly. The guide 12 may be integrally formed with the first housing 10.

Referring to FIG. 2, the second housing 20 is substantially a square body structure, and is disposed on the upper end of the first housing 10. Further, the second housing 20 is an upper cover corresponding to the cabinet. The second housing 20 is provided with a bending portion 21 at a position corresponding to the first side wall 11, and the bending portion 21 is bent toward the first housing 10. The bending portion 21 is provided with a fixing hole 22 corresponding to the first through hole 129, and the locking member 30 is provided at a position of the fixing hole 22. When the second casing 20 is closed on the first casing 10, the bending portion 21 and the guide 12 are stacked, and the guide 12 is located inside the bending portion 21 end.

Referring to FIG. 3, the locking member 30 is used to lock the second housing 20 to the first housing 10. The locking member 30 includes a fixing portion 31, a telescopic rod 32, and an elastic member 33. The fixing portion 31 is disposed on the second housing 20 and placed inside the second housing 20, further The fixing portion 31 is provided at the position of the fixing hole 22. The elastic member 33 is accommodated in the fixing part 31 In this case, the telescopic rod 32 is partially accommodated in the fixing portion 31, and the elastic member 33 is sleeved on the telescopic rod 32, and the telescopic rod 32 can move in the fixing portion 31.

The fixing portion 31 is substantially cylindrical, and has a second through hole 313 communicating from the third end 311 to the opposite fourth end 312. In one embodiment, the third end 311 is provided with a groove (not shown in the figure), the groove is fixed on the bending portion 21, and the first end 311 is further provided with a first The resisting portion 314, the first resisting portion 314 resists the telescopic rod 32 and the elastic member 33. A second resisting portion 315 is provided inside the fourth end 312. The second resisting portion 315 resists the telescopic rod 32. Further, the length of the first resisting portion 314 extending in the direction of the center line of the fixing portion 31 is greater than the length of the second resisting portion 315.

The telescopic rod 32 includes a first end A and a second end B opposite to the first end A, and the diameter of the telescopic rod 32 increases from the first end A to the second end B to It is adapted to the first resisting portion 314 and the second resisting portion 315. The first end A is corresponding to the third end 311 and the first end A can protrude from the third end 311, and the second end B is corresponding to the fourth end 312 And the second end B may protrude from the fourth end 312. The telescopic rod 32 is provided with a third resisting portion 321 from the first end A to the second end B at about one third of the position, from the first end A to the second end B The fourth resisting portion 322 is provided at about two-thirds of. The third resisting portion 321 is used to resist the first resisting portion 314, and the fourth resisting portion 322 is used to resist the second resisting portion 315 and the elastic member 33.

The two ends of the elastic member 33 respectively bear on the first resisting portion 314 and the fourth resisting portion 322, and the elastic member 33 drives the telescopic rod 32 in the fixing portion by the elastic force Moved in 31. Further, the elastic member 33 is a spring. It can be understood that the elastic member 33 can also be replaced with other structures having equivalent effects or functions. In order to prevent the elastic member 33 from shifting in the fixing portion 31, both ends of the elastic member 33 may be embedded in the fixing portion 31 and the telescopic rod 32 respectively, which also makes the fixing The portion 31 and the telescopic rod 32 are not easily separated.

Referring to FIG. 2, the unlocking member 40 is used to attract the telescopic rod 32 so that the telescopic rod 32 can protrude out of the fixing hole 22 to remove the second shell 20 from the first shell Unlock on the body 10. The unlocking member 40 includes a buckle 41 and a magnetic member 42. The fastener 41 includes a plurality of hooks 411. The plurality of hooks 411 enclose a receiving cavity 412. The magnetic member 42 is disposed in the receiving cavity 412 and fixed by the hook 411. Further, the magnetic member 42 is a magnet. In one embodiment, the buckle includes 4 of the hooks. It can be understood that, in other embodiments, the number of the hooks 411 may be replaced by 3 or 5. The unlocking member 40 can also be replaced with other members that can be used to attract the telescopic rod 32, such as a magnetic T-shaped structure.

Referring to FIGS. 4, 5, 6 and 7, when the second housing 20 is to be locked on the first housing 10, the bending of the locking member 30 is provided The portion 21 moves in the direction of the guide 12 so that the locking member 30 is located between the first protrusion 126 and the first side wall 11 first. At this time, the second end B of the telescopic rod 32 protrudes from the fourth end 312, as shown in FIG. 4. Continue to move in the direction of the second protruding portion 127, the telescopic rod 32 abuts on the second inclined portion 123, the telescopic rod 32 moves toward the third end 311, the elastic member 33 is compressed, the telescopic rod 32 continues to move onto the second protruding portion 127 and protrudes into the first through hole 129, the second end B protrudes from the fixing portion 31, the first One end A is accommodated in the fixing portion 31, and the fourth resisting portion 322 resists against the second resisting portion 315. At this time, the locking member 30 locks the second housing 20 to the first housing 10 and the locking member 30 is completely accommodated inside the second housing 20, as shown in FIG. 5 , Shown in Figure 6. When the second housing 20 is to be unlocked from the first housing 10, align the unlocking member 40 with the locking member 30, and the magnetic member 42 attracts the telescopic rod 32. The telescopic rod 32 moves toward the third end 311, the first end A protrudes from the third end 311, the second end B is received in the fixing portion 31, and the third resisting The portion 321 abuts on the first abutment portion 314, and the elastic member 33 is compressed. At this time, the second housing 20 can be removed from the first housing 10 Unlock, as shown in Figure 7. It can be understood that when the unlocking member 40 is removed from the locking member 30, the telescopic rod 32 will be retracted into the second housing 20 due to the elastic force of the elastic member 33.

Second embodiment

Referring to FIG. 8, the structure of the second embodiment is basically similar to that of the first embodiment, but the difference between the second embodiment and the first embodiment is that the guide 12 in the second embodiment includes a connecting portion 121, The third protrusion 128 and the fourth inclined portion 125. One end of the connecting portion 121 is connected to the side wall of the first housing 10 and is inclined toward the inside of the first housing 10. One end of the third protruding portion 128 is connected to the connecting portion 121 and is substantially parallel to the side wall of the first housing 10, so the third protruding portion 128 also protrudes inward of the first housing 10 stretch. The other end of the third protruding portion 128 is connected to one end of the fourth inclined portion 125, and the other end of the fourth inclined portion 125 is further biased toward the inner side of the first housing 10 for guiding the The moving direction of the locking member 30. The first through hole 129 is provided on the third protrusion 128.

The operation process of the second embodiment is substantially the same as the operation process of the first embodiment, and will not be further described here.

In summary, the magnetic-type locking mechanism 100 provided in the embodiments of the present invention enables the locking member 30 provided on the second housing 20 to be provided with mutually matching locking structures on the two housings The protrusion extends into the first through hole 129 provided in the guide 12 to lock the two housings. Then, the locking member 30 is absorbed by the unlocking member 40, so that the locking member 30 is separated from the first through hole 129, and the two housings are unlocked again. The magnetic attraction lock mechanism 100 has a simple structure, does not need to use screws to lock the two housings, and does not need to use a screwdriver when unlocking. It can be unlocked by a magnetic unlocking member, and the degree of movement is also improved. safety. It can be understood that the magnetic-type locking mechanism 100 can also be used on other boxes that need to be locked.

In addition, those of ordinary skill in the art should realize that the above embodiments are only used to illustrate the present invention and are not intended to limit the present invention, as long as the essence of the present invention is refined. Within the scope of the spirit, appropriate changes and changes made to the above embodiments all fall within the scope claimed by the present invention.

100: magnetic attraction lock mechanism

10: First shell

11: First side wall

12: Guide

121: Connection

122: the first inclined part

123: Second inclined part

124: third inclined part

126: The first protrusion

127: Second protrusion

129: first through hole

20: Second shell

21: Bending section

22: fixing hole

30: Locking piece

31: fixed part

32: Telescopic rod

40: unlock piece

41: Buckle

411: Card hook

412: containment cavity

42: Magnetic parts

Claims (10)

A magnetic attracting locking mechanism includes a first housing and a second housing, wherein a mutually matching locking structure is provided between the first housing and the second housing, and the locking structure It includes a guide member provided on the first casing and a locking member provided on the second casing. The locking member includes a telescopic rod. The guide member includes a connecting portion and a first protrusion , A second protruding portion and an inclined portion, the inclined portion is spaced apart from the first protruding portion and the second protruding portion, the connecting portion is connected to the inclined portion, the second protruding A first through hole is provided on the part, and the magnetic-type locking mechanism further includes an unlocking member, which is used to attract the locking member; when the locking member moves in the direction of the guide to At a predetermined position, the telescopic rod protrudes into the first through hole, and the second housing is locked on the first housing; when the unlocking member is used to attract the protruding protrusion into the first channel When the locking member is in the hole, the telescopic rod is retracted from the first through hole, and the second housing is unlocked from the first housing. The magnetic lock mechanism according to claim 1, wherein the locking member further includes a fixing portion and an elastic member, the fixing portion is provided on the second housing, and the elastic member is housed in the In the fixing part, the telescopic rod part is accommodated in the fixing part and the elastic member is provided on the telescopic rod. The magnetic lock mechanism according to claim 2, wherein the telescopic rod includes a first end and a second end opposite to the first end, and the diameter of the telescopic rod extends from the first end The second end is incremented. The magnetic lock mechanism according to claim 3, wherein the fixing portion is provided with a second through hole communicating from the third end to the opposite fourth end, and the third end is provided with a first resisting Part, the fourth end is provided with a second resisting part, and the telescopic rod is provided with a third resisting part and a fourth resisting part that cooperate with the first resisting part and the second resisting part unit. The magnetic lock mechanism according to claim 4, wherein one end of the elastic member abuts the first abutting portion, and the other end abuts the fourth abutting portion. The magnetic attraction lock mechanism according to claim 1, wherein the first protrusion and the second protrusion extend toward the inner side of the first housing and the first protrusion It is not on the same plane as the second protrusion. The magnetic attraction lock mechanism according to claim 6, wherein the second housing includes a bending portion, and the locking member is provided on the bending portion. The magnetic lock mechanism according to claim 1, wherein the guide includes a connecting portion, an inclined portion, and a third protruding portion, and both ends of the third protruding portion are respectively connected to the connecting portion and The inclined portions are connected, and the third protruding portion protrudes toward the inner side of the first housing, and the first through hole is provided on the third protruding portion. The magnetic attraction lock mechanism according to claim 5, wherein the unlocking member includes a buckle and a magnetic member, the magnetic member is provided in the buckle, and the magnetic member is used to attract the telescopic rod . The magnetic attraction lock mechanism according to claim 9, wherein the buckle includes a plurality of hooks, the hooks surround a receiving cavity, and the magnetic member is disposed in the receiving cavity.

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