CN207988690U - A kind of theftproof lock - Google Patents

Abstract

The utility model discloses a kind of theftproof locks, including lock body, lock core, lock tongue and key；Battery component, resistance, electromagnet, touching pin and magnetic element are equipped in lock body；The side wall upper edge radial symmetric of lock core is set there are two first through hole；The inner wall of first through hole is equipped with insulation sleeve；It is coated with dead ring on the side wall of lock core；Conducting ring is coated on insulating ring side wall；Conducting ring includes the first conducting ring and the second conducting ring；Electro-insulating rubber is equipped between first conducting ring and the second conducting ring；The side of first conducting ring and the second conducting ring is equipped with arc Contact piece；Arc Contact piece is fixedly connected with lock body；The utility model is by the way of the connecting and disconnecting of the circuit of physics, lock tongue is limited, in nonisulated key unlocking or when carrying out picking lock with the thing of metal material, circuit will be connected, electromagnet is started to work, and pushes magnetic element limitation lock tongue to move using repulsive force, antitheft to achieve the purpose that, structure is not only simplified, and of low cost.

Description

A kind of theftproof lock

Technical field

The utility model is related to a kind of theftproof locks.

Background technology

With progress of the epoch, the transition of society, that locks technique is constantly progressive development.People be not confined to use irony key The lock of spoon.Such as coded lock：It is unlocked by password, is mainly used for the higher lock of this kind of safety of safety cabinet.Induction lock：IC card Lock：Be divided into Contact Type Ic Card lock with it is contactless.Contact by card insertion eyelet, the inside card reader of chip lock is connect It touches.Contactless is exactly not have to this process, it is only necessary to which the card reader of card and lock is close together.Its application is very general Time.Such as：Parking lot, the public places such as subway.Nowadays, three spring of common irony lock is not any for thief chooses War can be sayed.But in rural area, most of locked with traditional three common springs, can thus be had an opportunity to take advantage of to thief, from And bring economic loss to oneself.

It is therefore desirable to design a kind of theftproof lock to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of safe, low-cost theftproof lock.

Realizing the technical solution of the utility model aim is：A kind of theftproof lock, including lock body, lock core, lock tongue and key；Institute It states and is equipped with battery component, resistance, electromagnet, touching pin and magnetic element in lock body；The side wall upper edge radial symmetric of the lock core If there are two first through hole；The inner wall of the first through hole is equipped with insulation sleeve；It is coated with dead ring on the side wall of the lock core； It is coated with conducting ring on the insulating ring side wall；The conducting ring includes the first conducting ring and the second conducting ring；Described first leads Electro-insulating rubber is equipped between electric ring and the second conducting ring；The side of first conducting ring and the second conducting ring is equipped with arc and touches Piece；The arc Contact piece is fixedly connected with lock body；The arc Contact piece be equipped with two panels, and respectively with the first conducting ring and second Conducting ring is slidably connected；Anode, resistance, electromagnet and the one of arc Contact piece of the battery component are sequentially connected electrically, The cathode of battery component is electrically connected with another piece of arc Contact piece；There are two the touching pin is set, sliding is set two touching pins respectively It is placed in the insulation sleeve in two first through hole；A conductive bullet is also respectively provided in insulation sleeve in described two first through hole Spring；One end of the power spring is fixedly connected with touching pin, and the other end is fixedly connected across dead ring with conducting ring；The lock Body is equipped with the dead bolt hole coordinated with lock tongue；The side of the dead bolt hole is equipped with cavity, and the other side is equipped with groove；The lock tongue with One end of dead bolt hole cooperation is equipped with the second through-hole；The magnetic element is set in cavity；The magnetic element and cavity bottom it Between be equipped with tension spring；The electromagnet close to magnetic element be arranged, and electromagnet it is adjacent with magnetic element one end polarity it is identical； The key is made of insulating materials.

Guide rod is equipped in the cavity；The both sides of the magnetic element are equipped with boss；The guide rod runs through boss simultaneously It is slidably connected with magnetic element；One end of the guide rod is fixed on the bottom of cavity；The tension spring is sheathed on guide rod, and And one end of tension spring is fixedly connected with boss, the other end is fixedly connected with the bottom of cavity.

The groove of the dead bolt hole side of the magnetic element, the second through-hole of lock tongue and lock body is coaxially disposed.

Battery component in the lock body includes the button cell of multi-section serial.

The key is made of fiberglass reinforced plastics.

Above-mentioned technical proposal is used, the utility model has advantageous effect below：(1) the utility model uses physics Connecting and disconnecting of the circuit mode, lock tongue is limited, in nonisulated key unlocking or when carrying out picking lock with the thing of metal material, Circuit will be connected, and electromagnet is started to work, and push magnetic element limitation lock tongue to move using repulsive force, antitheft to reach Purpose not only simplifies structure, and of low cost.

(2) guide rod of the utility model is slidably connected through boss and with magnetic element, and guide rod can play guiding Effect makes the movement of magnetic element more stablize, to ensure the validity of anti-theft feature.

(3) inner face of the touching pin of the utility model is spherical surface, can avoid interference with key unlocking.

(4) groove in the dead bolt hole of the magnetic element of the utility model, the second through-hole of lock tongue and lock body is coaxially set It sets, can ensure the validity of the groove cooperation in the second through-hole of magnetic element and lock tongue and the dead bolt hole of lock body.

(5) battery component in the lock body of the utility model includes the button cell of multi-section serial, small, at low cost.

(6) key of the utility model is made of fiberglass reinforced plastics, and intensity is high, not only non-conductive, but also can guarantee suitable Profit is unlocked.

Description of the drawings

In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached Figure, is described in further detail the utility model, wherein

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the state diagram of the nonisulated key unlocking of the utility model.

Fig. 3 is a-quadrant enlarged drawing in Fig. 1.

Fig. 4 is B-B sectional views in Fig. 2.

In attached drawing marked as：

Lock body 1, battery component 1-1, resistance 1-2, electromagnet 1-3, touching pin 1-4, magnetic element 1-5, lock core 2, insulation Ring 2-1, conducting ring 2-2, the first conducting ring 2-2-1, the second conducting ring 2-2-2, electro-insulating rubber 2-2-3, arc Contact piece 2-3, lock Tongue 3, key 4, insulation sleeve 5, cavity 6, guide rod 6-1.

Specific implementation mode

(embodiment 1)

See Fig. 1 to Fig. 4, the theftproof lock of the present embodiment, including lock body 1, lock core 2, lock tongue 3, key 4.

Battery component 1-1, resistance 1-2, electromagnet 1-3, touching pin 1-4 and magnetic element 1-5 are equipped in lock body 1.Battery Component 1-1 includes the button cell of multi-section serial.The inner face of touching pin 1-4 is spherical surface.

Lock body 1 is equipped with the dead bolt hole coordinated with lock tongue.The side of dead bolt hole is equipped with cavity 6, and the other side is equipped with groove.Lock Tongue 3 and one end of dead bolt hole cooperation are equipped with the second through-hole.Magnetic element 1-5 is set in cavity 6.Magnetic element 1-5 and cavity 6 Tension spring is equipped between bottom.Electromagnet 1-3 is arranged close to magnetic element 1-5, and electromagnet 1-3 is adjacent with magnetic element 1-5 One end polarity it is identical.The groove of the dead bolt hole side of magnetic element 1-5, the second through-hole of lock tongue 3 and lock body 1 is coaxially set It sets.

The side wall upper edge radial symmetric of lock core 2 is set there are two first through hole.The inner wall of first through hole is equipped with insulation sleeve 5. Dead ring 2-1 is coated on the side wall of lock core 2.It is coated with conducting ring 2-2 on dead ring 2-1 side walls.Conducting ring 2-2 includes first Conducting ring 2-2-1 and the second conducting ring 2-2-2.Electro-insulating rubber is equipped between first conducting ring 2-2-1 and the second conducting ring 2-2-2 2-2-3.The side of first conducting ring 2-2-1 and the second conducting ring 2-2-2 are equipped with arc Contact piece 2-3.Arc Contact piece 2-3 and lock Body 1 is fixedly connected.Arc Contact piece 2-3 is equipped with two panels, and is slided respectively with the first conducting ring 2-2-1 and the second conducting ring 2-2-2 Dynamic connection.Anode, resistance 1-2, electromagnet 1-3 and the one of arc Contact piece 2-3 of battery component 1-1 is sequentially connected electrically, The cathode of battery component 1-1 is electrically connected with another piece of arc Contact piece 2-3.

There are two touching pin 1-4 is set, two touching pin 1-4 are slideably positioned in the insulation sleeve 5 in two first through hole respectively In.A power spring is also respectively provided in insulation sleeve 5 in two first through hole.One end of power spring and touching pin 1-4 are solid Fixed connection, the other end are fixedly connected across dead ring 2-1 with conducting ring 2-2.

Key 4 is made of fiberglass reinforced plastics.

Guide rod 6-1 is equipped in cavity 6.The both sides of magnetic element 1-5 are equipped with boss.Guide rod 6-1 through boss and with Magnetic element 1-5 is slidably connected.One end of guide rod 6-1 is fixed on the bottom of cavity 6.Tension spring is sheathed on guide rod 6-1, And one end of tension spring is fixedly connected with boss, and the other end is fixedly connected with the bottom of cavity 6.

The theftproof lock of the utility model is not turned on, in lock body when with insulation key unlocking between two touching pin 1-4 Electromagnet 1-3 do not work, magnetic element 1-5 is maintained under the action of tension spring in cavity 6.

When with nonisulated key unlocking or with metal tools picking lock, be connected between two touching pin 1-4, at this time battery pack 1-1 is electromagnet 1-3 power supplies, and electromagnet 1-3, which generates magnetic field, has magnetism, and identical charges repel each other with magnetic element 1-5 by electromagnet 1-3, Magnetic element 1-5 is pushed into the second through-hole of lock tongue 3, and be inserted into groove, lock can not be opened, realizes anti-theft feature.

Particular embodiments described above has carried out into one the purpose of this utility model, technical solution and advantageous effect Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, is not limited to this Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap Containing being within the protection scope of the utility model.

Claims (6)

1. a kind of theftproof lock, it is characterised in that：Including lock body (1), lock core (2), lock tongue (3) and key (4)；The lock body (1) It is interior to be equipped with battery component (1-1), resistance (1-2), electromagnet (1-3), touching pin (1-4) and magnetic element (1-5)；The lock core (2) side wall upper edge radial symmetric is set there are two first through hole；The inner wall of the first through hole is equipped with insulation sleeve (5)；It is described Dead ring (2-1) is coated on the side wall of lock core (2)；It is coated with conducting ring (2-2) on dead ring (2-1) side wall；It is described Conducting ring (2-2) includes the first conducting ring (2-2-1) and the second conducting ring (2-2-2)；First conducting ring (2-2-1) and Electro-insulating rubber (2-2-3) is equipped between two conducting rings (2-2-2)；First conducting ring (2-2-1) and the second conducting ring (2-2- 2) side is equipped with arc Contact piece (2-3)；The arc Contact piece (2-3) is fixedly connected with lock body (1)；The arc Contact piece (2-3) is equipped with two panels, and is slidably connected respectively with the first conducting ring (2-2-1) and the second conducting ring (2-2-2)；The battery Anode, resistance (1-2), electromagnet (1-3) and the one of arc Contact piece (2-3) of component (1-1) are sequentially connected electrically, battery The cathode of component (1-1) is electrically connected with another piece of arc Contact piece (2-3)；There are two the touching pin (1-4) sets, two touching pins (1-4) is slideably positioned in respectively in the insulation sleeve in two first through hole (5)；Insulation sleeve (5) in described two first through hole In be also respectively provided with a power spring；One end of the power spring is fixedly connected with touching pin (1-4), and the other end passes through insulation Ring (2-1) is fixedly connected with conducting ring (2-2)；The lock body (1) is equipped with the dead bolt hole coordinated with lock tongue；The dead bolt hole Side is equipped with cavity (6), and the other side is equipped with groove；The lock tongue (3) and one end of dead bolt hole cooperation are equipped with the second through-hole；It is described Magnetic element (1-5) is set in cavity (6)；Tension spring is equipped between the magnetic element (1-5) and cavity (6) bottom；The electricity Magnet (1-3) is arranged close to magnetic element (1-5), and one end polarity phase that electromagnet (1-3) is adjacent with magnetic element (1-5) Together；The key (4) is made of insulating materials.

2. a kind of theftproof lock according to claim 1, it is characterised in that：Guide rod (6-1) is equipped in the cavity (6)； The both sides of the magnetic element (1-5) are equipped with boss；The guide rod (6-1) is slided through boss and with magnetic element (1-5) Connection；One end of the guide rod (6-1) is fixed on the bottom of cavity (6)；The tension spring is sheathed on guide rod (6-1), and And one end of tension spring is fixedly connected with boss, the other end is fixedly connected with the bottom of cavity (6).

3. a kind of theftproof lock according to claim 1, it is characterised in that：The inner face of the touching pin (1-4) is spherical surface.

4. a kind of theftproof lock according to claim 1, it is characterised in that：The magnetic element (1-5), lock tongue (3) The groove of the dead bolt hole side of two through-holes and lock body (1) is coaxially disposed.

5. a kind of theftproof lock according to claim 1, it is characterised in that：Battery component (1-1) packet in the lock body (1) Include the button cell of multi-section serial.

6. a kind of theftproof lock according to claim 1, it is characterised in that：The key (4) is by fiberglass reinforced plastics It is made.