Magnetic attraction locking device

Abstract

The utility model discloses a magnetic attraction locking device, which comprises a first mounting seat, a second mounting seat, a third mounting seat, a fourth mounting seat and a fourth mounting seat, and is characterized in that the first mounting seat is provided with a slot with a side opening and a first magnetic attraction part opposite to the bottom of the slot in the depth direction; the second mounting base is provided with a sliding groove with a side opening, an inserting block which telescopically moves along the side opening of the sliding groove is arranged in the sliding groove in a sliding mode, and a second magnetic attraction piece attracted with the first magnetic attraction piece is arranged at the end, close to the side opening of the sliding groove, of the inserting block; and the unlocking piece is movably arranged on the outer surface of the second mounting seat and can be in contact with the insertion block to drive the insertion block to move a certain distance into the sliding groove, so that the second magnetic attraction piece is separated from the first magnetic attraction piece. When a door is closed, the second magnetic attraction piece is aligned with the first magnetic attraction piece to attract the insertion block to extend out of the side opening of the sliding groove to be inserted into the insertion groove, the function of automatic locking when the door is closed is achieved, when the door needs to be opened, only the unlocking piece needs to be pushed to drive the insertion block to retract towards the sliding groove, operation is easy, the depth space of a drawer hole cannot be occupied when the unlocking piece is applied to the drawer assembly, and cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to a magnetic lock device. BACKGROUND

[0002] At present, in order to make the door plate stable in the closed state, prevent the door plate from being opened automatically by wind blowing or accidental touch, a magnetic structure is usually arranged between the door plate and the cabinet body, however, the magnetic structure does not have a locking function, and the door plate will be opened when a certain external force is applied, therefore, a latch is arranged between the door plate and the cabinet body, and the user needs to manually align the position to realize locking, which is very inconvenient to use, and the latch is large in size and protruding in shape, resulting in unattractive appearance. In addition, for some drawer assemblies, in order to prevent the drawer plate from being opened accidentally, a hydraulic damping mechanism is usually arranged on the slide rail, and the hydraulic damping mechanism occupies a large depth space of the drawer hole and is expensive. SUMMARY

[0003] The utility model aims at least to solve one of the technical problems existing in the prior art. Therefore, the utility model provides a magnetic lock device capable of automatically locking when the door plate is closed, which is suitable for wardrobes and drawer assemblies, and does not occupy the depth space of the drawer hole when applied to the drawer assembly, and is low in cost.

[0004] According to the magnetic lock device provided by the utility model, the first mounting seat is fixed on the door frame or the drawer frame, the second mounting seat is fixed on the door plate or the drawer plate, when the door plate is closed relative to the door frame or the drawer plate is closed relative to the drawer frame, the second magnetic attraction piece is aligned with the first magnetic attraction piece to attract the plug to extend out of the side opening of the sliding groove and be inserted into the slot, the function of automatic locking when closing the door is realized, wind blowing or accidental touch is prevented, and the door needs to be opened only by pushing the unlocking piece to drive the plug to retract into the sliding groove, which is simple in operation, and the above magnetic lock device is suitable for wardrobes and drawer assemblies, does not occupy the depth space of the drawer hole when applied to the drawer assembly, and is low in cost.

[0005] According to the magnetic lock device provided by the utility model, the first mounting seat is fixed on the door frame or the drawer frame, the second mounting seat is fixed on the door plate or the drawer plate, when the door plate is closed relative to the door frame or the drawer plate is closed relative to the drawer frame, the second magnetic attraction piece is aligned with the first magnetic attraction piece to attract the plug to extend out of the side opening of the sliding groove and be inserted into the slot, the function of automatic locking when closing the door is realized, wind blowing or accidental touch is prevented, and the door needs to be opened only by pushing the unlocking piece to drive the plug to retract into the sliding groove, which is simple in operation, and the above magnetic lock device is suitable for wardrobes and drawer assemblies, does not occupy the depth space of the drawer hole when applied to the drawer assembly, and is low in cost.

[0006] The first mounting seat is fixed on the door frame or the drawer frame, the second mounting seat is fixed on the door plate or the drawer plate, when the door plate is closed relative to the door frame or the drawer plate is closed relative to the drawer frame, the second magnetic attraction piece is aligned with the first magnetic attraction piece to attract the plug to extend out of the side opening of the sliding groove and be inserted into the slot, the function of automatic locking when closing the door is realized, wind blowing or accidental touch is prevented, and the door needs to be opened only by pushing the unlocking piece to drive the plug to retract into the sliding groove, which is simple in operation, and the above magnetic lock device is suitable for wardrobes and drawer assemblies, does not occupy the depth space of the drawer hole when applied to the drawer assembly, and is low in cost.

[0007] In some embodiments of the utility model, first elastic member is connected between the plug and the second mounting seat, when the plug leaves the slot, the first elastic member drives the plug to keep retracting in the sliding groove, the elastic force of the first elastic member acting on the plug is less than the attraction between the second magnetic attraction piece and the first magnetic attraction piece.

[0008] In some embodiments of the utility model, the middle part of the plug is provided with a clearance slot extending along the direction of the sliding groove, the second mounting seat is provided with a waist-shaped hole penetrating through along the clearance slot, the unlocking piece includes a rod member penetrating through the waist-shaped hole and the clearance slot and a push plate connected to one end of the rod member and slidingly arranged in the second mounting seat, the rod member abuts against one end of the clearance slot away from the second magnetic attraction piece to drag the plug to retract in the sliding groove.

[0009] In some embodiments of the utility model, second elastic member is connected between the rod member and the second mounting seat, the second elastic member drives the unlocking piece to reset.

[0010] In some embodiments of the utility model, the second mounting seat includes a long shell and a bottom plate, the side and end of the long shell are provided with openings, the inside of the long shell is formed with a threaded column penetrating through the clearance slot, the bottom plate is provided with a through hole opposite to the threaded column, a bolt member penetrates through the through hole to connect the threaded column so that the bottom plate closes the side opening of the long shell, the sliding groove is defined between the bottom plate and the long shell.

[0011] In some embodiments of the utility model, the inside of one end of the plug away from the second magnetic attraction piece is provided with a containing groove, the bottom plate is formed with a bent plate part extending in the containing groove, the first elastic member is a compression spring located in the containing groove, the two ends of the compression spring abut against the bent plate part and one end of the containing groove away from the second magnetic attraction piece respectively.

[0012] In some embodiments of the utility model, the clearance slot has a sliding guide section matched with the threaded column, the groove width size of the sliding guide section matches the diameter size of the threaded column.

[0013] In some embodiments of the utility model, the first elastic member can drive one end of the clearance slot close to the second magnetic attraction piece to abut against the threaded column to limit the stroke of the plug retracting in the sliding groove.

[0014] In some embodiments of the utility model, the first mounting seat includes installation board and the side opening's coaming of setting on the installation board, the coaming and installation board between define the insertion slot, the installation board is equipped with one mounting hole respectively on the two sides of coaming's opposite side, the middle part of installation board is equipped with the installation mouth with the tail end of insertion slot's intercommunication, first magnetic attraction piece along the installation mouth is settled in the insertion slot.

[0015] In some embodiments of the utility model, the opposite two inner side walls of the coaming are formed with a convex rib matched with the first magnetic attraction piece.

[0016] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0018] Figure 1 It is a structural schematic view of one embodiment of the magnetic attraction locking device of the utility model;

[0019] Figure 2 It is Figure 1 It is the internal cross section schematic view of the magnetic attraction locking device of embodiment;

[0020] Figure 3 It is Figure 1 It is the internal cross section schematic view of the second mounting seat of embodiment and the first mounting seat is separated;

[0021] Figure 4 It is Figure 1 It is the structural exploded schematic view of the magnetic attraction locking device of embodiment;

[0022] Figure 5 It is Figure 4 It is the structural schematic view of another view.

[0023] Reference signs:

[0024] First mounting seat 100;Insertion slot 101;Installation board 110;Mounting hole 111;Installation mouth 112;Coaming 120;Convex rib 121;First magnetic attraction piece 200;Second mounting seat 300;Sliding groove 301;Bottom plate 310;Through hole 311;Bent plate part 312;Long strip shell 320;Waist type hole 321;Threaded column 322;Bolt piece 330;Insert block 400;Let go of slot 410;Accommodation groove 420;Second magnetic attraction piece 500;Unlocking piece 600;Rod piece 610;Push plate 620;First elastic piece 700;Second elastic piece 800. DETAILED DESCRIPTION

[0025] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, for the purpose of explaining the present application, and should not be understood as a limitation of the present application.

[0026] In the description of the present application, it should be understood that, in relation to the orientation description, for example, the orientation or position relationship indicated by the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0027] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0028] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] Referring to Figures 1 to 5The utility model discloses a kind of magnetic attraction lock devices, comprising: first mounting seat 100, the first mounting seat 100 is equipped with the slot 101 of side opening, the first mounting seat 100 is equipped with the first magnetic attraction piece 200 opposite with the bottom of the depth direction of the slot 101;Second mounting seat 300, the second mounting seat 300 is equipped with the sliding groove 301 of side opening, the sliding groove 301 is slidably provided with the plug 400 along its side opening telescopic movement, the plug 400 is equipped with the second magnetic attraction piece 500 attracted with the first magnetic attraction piece 200 in one end close to the side opening of the sliding groove 301;Unlocking piece 600, it is movably arranged on the outer surface of the second mounting seat 300, can be contacted with the plug 400 to drive the plug 400 to move a certain distance in the sliding groove 301, and then make the second magnetic attraction piece 500 separate with the first magnetic attraction piece 200.

[0030] When the first mounting seat 100 is fixed on the door frame, the second mounting seat 300 is fixed on the door panel, when the first mounting seat 100 is fixed in the drawer frame, the second mounting seat 300 is fixed on the drawer panel;When the door panel is closed relative to the door frame, or the drawer panel is closed relative to the drawer frame, the second magnetic attraction piece 500 is opposite the first magnetic attraction piece 200, the first magnetic attraction piece 200 generates attractive force to the second magnetic attraction piece 500 and drives the plug 400 to extend from the side opening of the sliding groove 301, and the plug 400 is inserted into the slot 101, thereby realizing the function of automatic locking when closing the door, without manual operation, prevent wind blowing or opening by mistake, when door needs to be opened, only need to push the unlocking piece 600 to drive the plug 400 to retract in the sliding groove 301, then move the door panel to make the second mounting seat 300 and the first mounting seat 100 away, simple operation.

[0031] It should be noted that, when the plug 400 moves in the sliding groove 301 distance is that the plug 400 just completely leaves the slot 101, ensure that the first magnetic attraction piece 200 and the second magnetic attraction piece 500 have greater magnetic force between when closing the door.

[0032] Reference Figure 2 And Figure 3In some embodiments of the utility model, first elastic piece 700 is connected between plug 400 and second mounting base 300, when plug 400 leaves insertion slot 101, first elastic piece 700 drives plug 400 to keep retracting in sliding groove 301, the elastic force of first elastic piece 700 acting on plug 400 is less than the attraction between second magnetic attraction piece 500 and first magnetic attraction piece 200, which can reduce the external force required to drive unlocking piece 600 to move, and can keep plug 400 in the preset position to prevent shaking and abnormal sound.

[0033] Referring to Figure 2 And Figure 3 In some embodiments of the utility model, the middle part of plug 400 is provided with a clearance slot 410 extending along the direction of sliding groove 301, second mounting base 300 is provided with a waist-shaped hole 321 extending along the clearance slot 410, unlocking piece 600 includes a rod 610 penetrating through waist-shaped hole 321 and clearance slot 410, and a push plate 620 connected to one end of rod 610 and slidingly arranged in second mounting base 300, rod 610 abuts on one end of clearance slot 410 away from second magnetic attraction piece 500 to drag plug 400 to retract in sliding groove 301. When the door needs to be opened, the user uses the thumb to press the push plate 620 and moves, the rod 610 moves along the length direction of the waist-shaped hole 321 and the clearance slot 410 and abuts on one end of the clearance slot 410 away from the second magnetic attraction piece 500, and the push plate 620 is continuously pushed away from the second magnetic attraction piece 500 to drive plug 400 to retract in sliding groove 301, and in this process, first elastic piece 700 restores deformation. Before closing the door, the unlocking piece 600 can be manually pushed to move to the original position, or the unlocking piece 600 is reset by plug 400 during the process of plug 400 being inserted into insertion slot 101.

[0034] Referring to Figure 2 And Figure 3 In some embodiments of the utility model, second elastic piece 800 is connected between rod 610 and second mounting base 300, and second elastic piece 800 drives unlocking piece 600 to reset and move. It can be understood that, after rod 610 abuts on one end of clearance slot 410 away from second magnetic attraction piece 500 to drag plug 400 to retract in sliding groove 301, second elastic piece 800 drives unlocking piece 600 to return to the original position, avoiding manual reset and avoiding the phenomenon that unlocking piece 600 is easily jammed when plug 400 drives unlocking piece 600 to reset. Specifically, second elastic piece 800 is a tension spring, one end of the tension spring is sleeved on rod 610, the other end is sleeved on threaded column 322, and snap spring is further arranged on rod 610 to prevent rod 610 from moving up and down relative to waist-shaped hole 321.

[0035] Referring to Figures 3 to 5 In some embodiments of the utility model, in order to facilitate the installation of the plug-in block 400, the first elastic member 700 and the unlocking member 600, the second mounting seat 300 includes a long shell 320 and a bottom plate 310, the side and end of the long shell 320 are provided with openings, the inside of the long shell 320 is formed with a threaded column 322 passing through the accommodation slot 410, the bottom plate 310 is provided with a through hole 311 opposite the threaded column 322, and the bolt member 330 passes through the through hole 311 to connect the threaded column 322, so that the bottom plate 310 closes the side opening of the long shell 320, and the sliding groove 301 is defined between the bottom plate 310 and the long shell 320. Wherein the bolt member 330 is connected with the threaded column 322 to realize the assembly between the long shell 320 and the bottom plate 310, form the sliding groove 301 for the telescopic movement of the plug-in block 400, and the threaded column 322 moves in the accommodation slot 410 during the telescopic movement of the plug-in block 400 relative to the sliding groove 301, and can also play a role of anti-disengagement.

[0036] Referring to Figure 2 And Figure 3 In some embodiments of the utility model, the inside of the end of the plug-in block 400 away from the second magnetic member 500 is provided with a containing groove 420, the bottom plate 310 is formed with a bent plate part 312 extending in the containing groove 420, the first elastic member 700 is a compression spring located in the containing groove 420, and the two ends of the compression spring are respectively abutted against the bent plate part 312 and the end of the containing groove 420 away from the second magnetic member 500. It can be understood that when the first magnetic member 200 attracts the second magnetic member 500, the plug-in block 400 extends from the side opening of the sliding groove 301, at this time, the end of the containing groove 420 away from the second magnetic member 500 is close to the bent plate part 312, and the compression spring is compressed, after the unlocking member 600 pushes the plug-in block 400 away from the plug-in slot 101 and moves the door plate, at this time, the compression spring restores the elastic deformation. The above structure ingeniously realizes the connection between the first elastic member 700 and the second mounting seat 300, and does not increase the length size of the second mounting seat 300.

[0037] In some embodiments of the utility model, in order to limit the unlocking member 600 from moving relative to the plug-in block 400, the accommodation slot 410 has a sliding guide section matched with the threaded column 322, and the groove width size of the sliding guide section matches the diameter size of the threaded column 322.

[0038] Referring to Figure 3In some embodiments of the utility model, in order to limit the stroke of the insertion block 400 retracting in the sliding groove 301, avoid the distance between the second magnetic attraction piece 500 and the first magnetic attraction piece 200 being too far to attract together, the first elastic piece 700 can drive the one end of the accommodation slot 410 close to the second magnetic attraction piece 500 to abut on the threaded column 322 to limit the stroke of the insertion block 400 retracting in the sliding groove 301.

[0039] Referring to Figure 4 And Figure 5 In some embodiments of the utility model, the first mounting seat 100 includes the mounting plate 110 and the side opening fence 120 arranged on the mounting plate 110, the insertion slot 101 is defined between the fence 120 and the mounting plate 110, one mounting hole 111 is arranged on the two opposite sides of the fence 120 respectively, the mounting plate 110 is provided with the mounting opening 112 in communication with the tail end of the insertion slot 101 in the middle part, and the first magnetic attraction piece 200 is arranged in the insertion slot 101 along the mounting opening 112.It can be understood that when the mounting holes 111 on the two sides of the mounting plate 110 are provided with the threaded fasteners fixed to the door frame, the first magnetic attraction piece 200 will not be separated from the insertion slot 101, and the first magnetic attraction piece 200 is located at the bottom of the insertion slot 101 to improve the magnetic attraction force.

[0040] Referring to Figure 5 In some embodiments of the utility model, in order to prevent the first magnetic attraction piece 200 from moving relative to the first mounting seat 100, ensure that the first magnetic attraction piece 200 and the second magnetic attraction piece 500 are stably attracted together, the opposite two inner side walls of the fence 120 are formed with the convex rib 121 matched with the first magnetic attraction piece 200.

[0041] The technical features of the above embodiments can be combined arbitrarily, and to make the description simple, all possible combinations of the technical features in the above embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered that the range of the present application is recorded.

[0042] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A magnetic latching device, characterized by, The application relates to a magnetic locking device, which comprises the following parts: a first mounting base (100) provided with a side-opening slot (101), wherein the first mounting base (100) is provided with a first magnetic attraction part (200) opposite to the bottom of the depth direction of the slot (101); a second mounting base (300) provided with a side-opening sliding slot (301), wherein the sliding slot (301) is provided with a plug (400) which can move in and out along the side-opening direction of the sliding slot (301), and the plug (400) is provided with a second magnetic attraction part (500) which can be attracted to the first magnetic attraction part (200) at one end close to the side-opening direction of the sliding slot (301); and an unlocking part (600) movably arranged on the outer surface of the second mounting base (300) and capable of contacting the plug (400) to drive the plug (400) to move a certain distance into the sliding slot (301), so that the second magnetic attraction part (500) is separated from the first magnetic attraction part (200).

2. The magnetic locking device according to claim 1, wherein the plug (400) is connected with the first mounting base (300) through a first elastic part (700), and when the plug (400) is separated from the slot (101), the first elastic part (700) drives the plug (400) to keep retracted in the sliding slot (301), and the elastic force of the first elastic part (700) acting on the plug (400) is smaller than the attraction force between the second magnetic attraction part (500) and the first magnetic attraction part (200).

3. The magnetic locking device according to claim 2, wherein the middle part of the plug (400) is provided with a clearance slot (410) extending along the direction of the sliding slot (301), the second mounting base (300) is provided with a waist-shaped hole (321) extending along the clearance slot (410) in opposite directions, the unlocking part (600) comprises a rod part (610) penetrating through the waist-shaped hole (321) and the clearance slot (410) and a push plate (620) connected to one end of the rod part (610) and movably arranged on the second mounting base (300), and the rod part (610) is arranged at the end of the clearance slot (410) far away from the second magnetic attraction part (500) to drag the plug (400) to retract in the sliding slot (301).

4. The magnetic locking device according to claim 3, wherein the rod part (610) is connected with the second mounting base (300) through a second elastic part (800), and the second elastic part (800) drives the unlocking part (600) to move back to the original position.

5. The magnetic locking device according to claim 3, wherein ​ ​ ​ The second mounting base (300) includes a long shell (320) and a bottom plate (310), the long shell (320) is provided with openings on the side and end, the inside of the long shell (320) is formed with a threaded column (322) passing through the accommodation slot (410), the bottom plate (310) is provided with a through hole (311) opposite to the threaded column (322), a bolt (330) passes through the through hole (311) to connect the threaded column (322) so that the bottom plate (310) closes the side opening of the long shell (320), and the bottom plate (310) and the long shell (320) define the sliding slot (301).

6. The magnetic attraction locking device according to claim 5, characterized in that: The inside of the end of the plug block (400) away from the second magnetic attraction element (500) is provided with an accommodation slot (420), the bottom plate (310) is formed with a bent plate portion (312) extending in the accommodation slot (420), and the first elastic element (700) is a compression spring located in the accommodation slot (420), and the two ends of the compression spring abut against the bent plate portion (312) and the end of the accommodation slot (420) away from the second magnetic attraction element (500) respectively.

7. The magnetic attraction locking device according to claim 6, characterized in that: The accommodation slot (410) has a sliding guide section matched with the threaded column (322), and the groove width dimension of the sliding guide section matches the diameter dimension of the threaded column (322).

8. The magnetic attraction locking device according to claim 5, characterized in that: The first elastic element (700) can drive the end of the accommodation slot (410) close to the second magnetic attraction element (500) to abut against the threaded column (322) to limit the retraction stroke of the plug block (400) in the sliding slot (301).

9. The magnetic attraction locking device according to claim 1, characterized in that: The first mounting base (100) includes a mounting plate (110) and a side opening surrounding plate (120) provided on the mounting plate (110), the surrounding plate (120) and the mounting plate (110) define the plug slot (101), the mounting plate (110) is provided with a mounting hole (111) on each side of the surrounding plate (120), the middle of the mounting plate (110) is provided with a mounting opening (112) in communication with the tail end of the plug slot (101), and the first magnetic attraction element (200) is arranged in the plug slot (101) along the mounting opening (112).

10. The magnetic attraction locking device according to claim 9, characterized in that: The opposite two inner side walls of the surrounding plate (120) are formed with a convex rib (121) tightly matched with the first magnetic attraction element (200).

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