CN2126866Y - Anti-theft magnetic lock - Google Patents
Anti-theft magnetic lock Download PDFInfo
- Publication number
- CN2126866Y CN2126866Y CN 92206158 CN92206158U CN2126866Y CN 2126866 Y CN2126866 Y CN 2126866Y CN 92206158 CN92206158 CN 92206158 CN 92206158 U CN92206158 U CN 92206158U CN 2126866 Y CN2126866 Y CN 2126866Y
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- CN
- China
- Prior art keywords
- lock
- permanent magnet
- key
- magnet
- handle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an anti-theft lock, in particular to the technical field of the anti-theft lock and key which are made form the magnetic material. The utility model provides a lock which uses the permanent magnet to replace the metal spring in the sold spring lock according to the principle of homogeneity repulsion and the principle of isomerism suction of the permanent magnet. The lock is opened or closed by the 'key' which has the permanent magnet with the aid of the repulsion or suction of the magnet of the key and the sliding magnet in the lock. Because the lock is not provided with a keyhole, the disadvantages of the spring lock are avoided completely. In addition, the magnet is enveloped in the lock or the key completely, the arranged situation of the lock and magnet or the arranged situation of the key and the magnet can not be seen from the exterior, and therefore, the lock has strong concealment. Because the lock is not provided with a locking hole and a rotating part, the lock is easy to be accepted by the disabled people and the children.
Description
The utility model relates to a kind of theftproof lock, particularly utilizes the theftproof lock that magnetic material manufactures and the technical field of key.
Anti-theft cylinder lock in the market is the metal pellet shot from a slingshot to be housed in lock body and to leave a keyhole on lock body, so that insert rotation with key.When turning to a certain position, pellet shot from a slingshot leaves lock handle, when lock handle is free state lock is opened.Such lock has following shortcoming: (1) keyhole water of entering, especially be exposed to when outer, and it is malfunctioning that enter rainwater and foreign matter cause lock; (2) theftproof performance is poor, because after the burglar can find out the pellet shot from a slingshot position with the monodentate key, copy key was opened lock again.
The purpose of this utility model is to overcome the shortcoming and defect of above-mentioned prior art, utilize permanent magnet N.S the two poles of the earth same sex to repel each other, thereby the principle that there is a natural attraction between the sexes provides a kind of novel magnetic theftproof lock, this lock replaces metal pellet shot from a slingshot in the commercially available cylinder lock with the slip permanent magnet, with " key " that have permanent magnet, by means of the repelling each other or inhale mutually of sliding magnet in wherein magnet and the lock, lock is opened or closed.Because should lock no keyhole, avoided the shortcoming of cylinder lock fully.Because sliding magnet has NS the two poles of the earth, and they are fully by in envelope plant lock and the key, and naked eyes can not be seen their position.So magnetic lock has stronger disguise, be difficult for copying and arbitrarily opening.No keyhole and rotatable parts are accepted easier disabled person of being of magnetic lock and children.
Fig. 1 is the magnetic anti-theft lock structural representation.
Fig. 2 is a permanent magnet arrangement mode key diagram in the lock.
The drawing of Fig. 1 is described as follows:
(1) key body (2) slip permanent magnet (3) lock body (lock housing) (4) lock handle (dead bolt)
(5) lock panel (6) key permanent magnet (7) slideway (22) passage
The purpose of this utility model is achieved in that and has passage (22) and slideway (7) in lock body (3).Some of slip permanent magnets (2) are housed respectively in the passage, but must not be less than 2, port number and slip permanent magnet number are about equally.Magnetic patch is arranged and can also can be plurality of rows for a row, and the magnetic patch on every row can be two, also can be several, and to the two-sided lock of opening, the magnetic patch polarity among each row is arranged can 2
N-1Plant spread pattern, the lock that has only one side to open is had 2
nPlant spread pattern, wherein n is the magnetic patch number.Lock body (3) can be used metal, materials such as plastics, bakelite, copper, magnetism-free stainless steel, nylon are made garden shape, square, hollow shells such as rectangle, the lock handle of making of metal material (4) is housed on the lock body (3), lock handle (4) end is inserted in the slideway (7) that intersects with passage (22) partial vertical, and when lock cut out, permanent magnet (2) blocked lock handle (4) at passage (22) and slideway (7) infall.Lock panel is done markedness on (5), is convenient to the householder and unblanks.Key size is the same with lock panel, also difference slightly, and it also is by metal, plastic material is made hollow key body (1).Enclose permanent magnet (6) in key body (1), its piece number of enclosing permanent magnet (6) is identical with the piece number of interior the slip permanent magnet of lock body (3), and polarity is corresponding, and between the magnet (6) distance with lock between the inner magnet (2) apart from equating.Under the state shown in figure one, slip permanent magnets (2) attracts to draw close (see figure 1) downwards along special modality in the lock body because of locking outer key permanent magnet (6) mutually in the lock of left side, and (4) are pinned.In like manner, permanent magnet then pins (4) because of the repulsive force effect moves upward along the interior special modality of lock body (3) in the lock of right side.When the outside key spins upside down 180 °, on the key mark with lock mark and align, the left side permanent magnet moves upward along former passage in the lock body (3), the right side permanent magnet moves downward along former passage, whole lock can be taken off along slideway (7) lock handle (4) in opened condition from lock body (3).
The lock that the utility model also provides a kind of 2 faces to open promptly can be opened lock on the lock two sides respectively with a key.
Because permanent magnet has NS the two poles of the earth, the permanent magnet arranging situation is the same with the permanent magnet arrangement position of looking from the negative just so lock is looked from the front, and polarity is opposite.So there is N slip permanent magnet arrangement mode in lock will have 2
N-1Kind.Now lifting n=3 is example, is arranged among Fig. 2, and total number of permutations is 2
N-1=2
3-1=4 kinds of modes.
The setting of slip permanent magnet special modality is the present invention's one big feature in the lock, the direction that is provided with of special modality has two kinds, the one, enter lock body from the front, the one, enter lock body from the negative, its degree of depth that enters lock body is D=(L)/2+(l)/2, D is the degree of depth, L is thick for lock, l is the slip magnet length, and when lock cut out, all slip permanent magnets were all drawn close (seeing figure one) to centre line L/2.When lock was unlocked, all slip permanent magnets all left centre line L/2 to two lateral movements, made lock handle (4) be free state.
Below in conjunction with accompanying drawing and embodiment the utility model is described in detail:
Embodiment 1:
Manufacture a side lock by shown in Figure 1, make 60 * 50 * 25 lock bodies (3) with bakelite, do lock handle (4) with brass, make key body (1) with printed circuit board (PCB), key is of a size of 60 * 50 * 5mm, and the interior Nd-Fe-B permanent magnet of lock body (3) is of a size of φ 3 * 8mm, and key is of a size of φ 12 * 1mm with Nd-Fe-B permanent magnet and is placed on respectively in the passage (22), permanent magnet is the N.N(front in lock body (3)) arrange, the interior NS of key body (1) arranges.The interior two magnet arrangements modes of this lock body (3) can only have the N.N mode, and N.S arranges and passes into disuse, and just lock can be opened because it makes key with a magnet.The magnetic lock switch of making freely.
Embodiment 2:
With the 1cm that moves up of left side permanent magnet in the lock body (3) among the embodiment 1, the key permanent magnet 1cm that also moves up in corresponding left side has made another asymmetric magnetic anti-theft lock.Change any slip permanent magnet direction in the lock body (3), can make the theftproof lock that can not open mutually with above-mentioned theftproof lock key, other size and material are identical with embodiment 1.
Fig. 3 is three slip permanent magnet magnetic theftproof lock sectional drawings.
Drawing illustrates same Fig. 1.
Three slip permanent magnet magnetic theftproof locks have been made by Fig. 3, lock body (3), key body (1) size is identical with embodiment 1, lock body is made with alloy aluminum, lock panel (5), lock handle (6) is made with brass, left side 2 φ 3 * 8mm Nd-Fe-B permanent magnets of 1cm place placement of being separated by in lock body (3), and a Nd-Fe-B permanent magnet is only put on the right side.By shown in Figure 2,3 permanent magnets have 2
3-1=4 permutations, permanent magnet is arranged correspondingly with it in the key, and under the situation that does not change position on the permanent magnet plane, it can make 4 locks that can not open mutually.
Fig. 4 is a magnetic anti-theft door latch structure sectional drawing
Drawing is described as follows:
1, key body 2, slip permanent magnet 3, lock body 4, lock handle (dead bolt) 5, lock panel 6, key permanent magnet 7, slideway 8, lock tongue slot 9, door handle 10, fixed copper screw 11, door-plate 12, doorframe 22, passage.
Manufacture the magnetic anti-theft door lock by Fig. 4, form safe-guard door lock by (2) (3) (5) (7) (8) (9) (11) (12) (4), (1), (6) form the security door key, lock body (3) is made by aluminium alloys, be of a size of 75 * 40 * 30mm, in adorn 3 φ 3 * 8mm slip permanent magnets, each permanent magnet can only move in the special modality (22) separately, lock body is fixed on the door-plate (11) with brass screw, lock handle (4) is made by brass, size is 20 * 10 * 105mm, it links to each other by rack-and-pinion with door handle (9), part outside lock handle (4) exposes lock body (3) is processed into tooth bar, and the gear of section of rack and door handle (9) matches, and lock handle (4) one ends insert in the lock tongue slot (8).When door handle (9) rotated, lock handle (4) slided in lock body, door was opened and shut (this moment, magnetic padlock must be opened).(8) for lock tongue slot is fabricated from iron, be of a size of 40 * 30 * 10mm, be fixed on the doorframe (12).(1) (6) form door key, be of a size of 55 * 40 * 5mm, key body (1) is made by nylon, (6) be φ 5 * 5mm Nd-Fe-B permanent magnet, the state of Fig. 4 is a state on the door lock, three permanent magnets all put in place to lock center line (L)/2 motion, blocked seesawing of lock handle (4), lock handle (4) has entered lock tongue slot (8), on the door lock, when key body (1) rotates 180 ° up and down, when just forwarding mark on the key face and the mark contraposition on the lock panel (5) to, movable magnet is open mode to two lateral movements but lock in the lock body, turns the handle and door can be opened.
Change door handle among Fig. 4 into commercially available cylinder lock, it is constant that other presses embodiment 4, made mechanical magnetic combined anti-theft door lock.
Change door handle among Fig. 4 into commercially available safety cabinet mechanical rotation coded lock, door-plate (11) changes the non-magnetic rustproof steel plate into, and (12) change the safety cabinet doorframe into, and it is constant that other presses embodiment 4, has made magnetic and rotational password dual fail-safe cabinet.
Fig. 5 is complete hidden magnetic anti-theft lock structure chart
Drawing is described as follows:
1, key body 2, slip permanent magnet 3, lock body 4, lock handle (dead bolt)
5, lock panel 6, key permanent magnet 8, lock tongue slot 10, brass screw
11, door-plate 12, doorframe, 13, coupling sleeve 14, the permanent magnet of closing the door
15, steady pin 16, additional dead bolt 17, the screw 18 that resets, spring opens the door
22, passage
Made complete hidden magnetic anti-theft lock by Fig. 5.Lock is made up of pass door section, lock body, the part of opening the door three parts.(12) (8) (14) (15) (16) constitute the pass door section, and lock tongue slot (8) is made of brass.Size is 40 * 20 * 25mm, is fixed on the inboard suitable position of doorframe (12) (be considered to people children can both switch door) by brass screw (10).Be stained with the Nd-Fe-B permanent magnet (14) of 20 * a 10 * 5mm in the lock tongue slot (8) with epoxy resin, it is used for when lock handle (4) is blocked by the slip permanent magnet, will add dead bolt (16) (with 45
#Steel makes 28 * 20 * 10) be attracted in the lock tongue slot (8), door is barred up.The permanent magnet (14) of closing the door is at least 2kg to the attraction of (16).Lock body is made of brass, being of a size of 50 * 35 * 30mm. is fixed on the wooden door board (11) by M4 * 35 brass screws (10), have the long φ 4 * 20mm(of slip permanent magnets passage (22) on the lock body (3) and see Fig. 5), four slip permanent magnets (2) are made of φ 3 * 9mm NdFeB material.Polarity is arranged as shown in Figure 5.Lock handle (dead bolt) (4) is made by magnetism-free stainless steel, be of a size of 80 * 20 * 10mm. lock handle (dead bolt) (4) and can in lock body (3), be free to slide (when lock leaves), lock handle (dead bolt) (4) one ends are fixed on the coupling sleeve (13) of 30 * 30 * 14mm that is made by aluminium alloys, and the other end is fixed on the spring (18).Four key permanent magnets (6), size are that its magnetic alignment method of φ 3 * 5mm. is corresponding with the interior slip permanent magnet of lock body (3) (2), and the lock-switch principle is with embodiment 1,2,3,4.The part of opening the door is made of spring (18), the one end is fixed on the door-plate (11) towards room side, one end and lock handle (dead bolt) (4) link, spring is φ 20 * 100, pulling force is 5kg, Fig. 5 is the state of closing the door of lock, and by M5 * 15 will the open the door spring tension of brass screw (17) that resets, slip permanent magnet (2) blocks lock handle (dead bolt) (4) sliding in passage (22) under the key effect in the lock.At manpower at closing time, the permanent magnet (14) of closing the door will add dead bolt (16) suction lock tongue slot (8) door lock will be lived, when opening the door, the magnet (2) that slides in 180 ° of locks of key counter-rotating is upwards moved downward respectively, lock handle (dead bolt) (4) but be the side-to-side movement state, dependence spring (18) pulling force that opens the door is pulled out lock tongue slot with (16), and manpower is opened door.
Embodiment 8
In order to prevent stranger's slip magnet (2) in both sides attract to lock with two permanent magnets (its polarity is opposite with movable magnet in the lock) door is opened.Ad hoc meter embodiment 8 anti-" forcing open the door " magnetic anti-theft lock Fig. 6, embodiment 1 is pressed in all designs, only settles a ferrite to mould magnetic patch (21) in lock body (3) left side slip magnet passage (22), and size is φ 4 * 1mm.
The drawing explanation:
2, slip magnetic patch 3, lock body 4, lock handle 5 panels 19, plastics magnetic patch
20, untouchable plate 21, picking lock magnet 22, passage
When lock was locked, burglar attempt attracted left side slip magnetic patch with the S utmost point up, below attract right side slip magnetic patch with the N utmost point.Slip magnetic patch in right side is drawn close to the outer magnetic patch of lock, the right side in opened condition, the left side is because lock panel (20) is to be made by iron plate, big or small the same with lock panel (5), it separates external magnet and internal magnet, the left side still is locking state, lock handle can not be removed from lock body.When opening the door, though locking interior two magnets, the left side is rejection-like, because (19) magnetic property only is permanent magnet (6) 1/20, so still slip permanent magnet in left side can move upward that lock is opened with the magnetic key.
Claims (3)
1, a kind of by lock body (3), lock handle (4), lock tongue slot (8), lock panel (5) and key body, the magnetic anti-theft lock formed, it is characterized in that: vertical lock body inner plane has some passages (22) inwards from both sides in lock body (3), its degree of depth is that (L. is a lock thickness to D=(L)/2+(L)/2, L is a slip permanent magnet length), encapsulate some slip permanent magnets (2) in the passage respectively, lock handle (4) end is inserted in the slideway (7) that intersects with passage (22) partial vertical; Described key body (1) is manufactured hollow shell with non magnetic or weak magnetic material, enclose in key body (1) with the lock same block and count permanent magnet (6), and the distance between the permanent magnet (6) is corresponding with the interior permanent magnet of lock body (3) (2) with polar arrangement mode; Permanent magnet (2) arrangement mode is in its lock:
A. permanent magnet (2) is arranged in a row, and contains two permanent magnets (2) among the row, and polarity is identical or opposite;
Or b. permanent magnet (2) is arranged in a row, and contains some permanent magnets (2) among the row, and the magnetic alignment mode has 2
n-2
N-1Kind;
Or c. permanent magnet (2) is arranged in plurality of rows, the permanent magnet of arranging among every row (2) from more than 2 or polar arrangement mode from 2
n-2
N-1Kind;
2, by the described magnetic anti-theft lock of claim 1, it is characterized in that: the part outside lock handle (4) exposes lock body (3) is processed into tooth bar, and the gear of section of rack and door handle (9) matches, and lock handle (4) one ends insert in the lock tongue slot (8).
3, by claim 1,2, described magnetic anti-theft lock, it is characterized in that: described lock body (3), used nonmagnetic substance of key body (1) or weak magnetic material are plastics, bakelite, copper, magnetism-free stainless steel, nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92206158 CN2126866Y (en) | 1992-04-09 | 1992-04-09 | Anti-theft magnetic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92206158 CN2126866Y (en) | 1992-04-09 | 1992-04-09 | Anti-theft magnetic lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2126866Y true CN2126866Y (en) | 1993-02-10 |
Family
ID=33761930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92206158 Expired - Fee Related CN2126866Y (en) | 1992-04-09 | 1992-04-09 | Anti-theft magnetic lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2126866Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453766C (en) * | 2005-01-26 | 2009-01-21 | 叶志忠 | Magnetic cipher lock |
| CN102337803A (en) * | 2011-09-21 | 2012-02-01 | 鹤壁煤电股份有限公司第六煤矿 | Magnetic lock for cage safety door |
-
1992
- 1992-04-09 CN CN 92206158 patent/CN2126866Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453766C (en) * | 2005-01-26 | 2009-01-21 | 叶志忠 | Magnetic cipher lock |
| CN102337803A (en) * | 2011-09-21 | 2012-02-01 | 鹤壁煤电股份有限公司第六煤矿 | Magnetic lock for cage safety door |
| CN102337803B (en) * | 2011-09-21 | 2014-05-21 | 鹤壁煤电股份有限公司第六煤矿 | Magnetic lock for cage safety door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |