CN201411973Y

CN201411973Y - Improved structure of cashbox coded lock

Info

Publication number: CN201411973Y
Application number: CN200920155985XU
Authority: CN
Inventors: 陈永源
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-01
Filing date: 2009-06-01
Publication date: 2010-02-24
Anticipated expiration: 2019-06-01

Abstract

An improved structure of a cashbox coded lock mainly comprises a lock tongue and a lock bolt control mechanism which are arranged in a lock shell; when the lock tongue extends out, a lock bolt stops abackstopping part at the inside of the lock bolt to form a locking state, the bolt control mechanism is characterized in that after correct code is input by a keyboard or a sensor, the lock bolt canwithdraw from a stop position to form an unlocking state, and the lock bolt is driven and controlled by a motor which is matched with a spring. The improved structure of the cashbox code lock has simple structure, easy assembly, lower cost and better anti-theft effect.

Description

The improvement structure of national treasury coded lock

Technical field

The utility model relates to a kind of improvement structure of national treasury coded lock, especially refer to a kind of coded lock improvement structure that utilizes the locking bolt in the electronic type cryptochannel control lockset to open or close, locking bolt wherein is to cooperate spring to drive control by a motor, and has simple structure, assembling easily, reduce cost, and can reach preferable anti-pirate of the open effect.

Background technology

General existing national treasury coded lock mechanism (as shown in Figure 1) is included in and is equiped with a dead bolt (locking plate) 12 in the lock housing 11 of described national treasury coded lock and an Electromagnetic Control mechanism 13 forms, and when dead bolt 12 is rotated and makes the one distal process go out lock housing 11 outsides, must be ejected stopper section 121 rears of backstop by a pressure-proof spring 133 by the locking bolt (mast or magnetic core) 131 of Electromagnetic Control mechanism 13, stop dead bolt 12 to be rotated to outward winding and be blocking in dead bolt 12 rear ends; During release, then be by behind operation keyboard that is arranged at the national treasury outside or inductor (omitting among the figure) the input proper password, the electromagnetic coil 132 of described Electromagnetic Control mechanism 13 can produce excitatory so that locking bolt 131 contracts backward and is released state, at this moment, cooperate the handle (omitting among the figure) in the described lockset of rotation front that dead bolt 12 is inwardly withdrawn again, the national treasury door can be opened.

As above-mentioned existing national treasury coded lock mechanism, though wherein the password of electronic control circuit is difficult to crack unlatching, yet Electromagnetic Control mechanism 13 wherein utilizes the electromagnet principle, in an electromagnetic coil 132, be provided with a locking bolt 131 and retractable moves, and be provided with a pressure-proof spring in described locking bolt rear end and make locking bolt 131 maintain the position of the state of stretching out, project upwards the effect of contact reaching at any time in the stopper section 121 of dead bolt 12 rear ends; Secondly, described existing structure is the magnetic effect that is produced by when electromagnetic coil 132 is switched on, and reaches the purpose of release to order about above-mentioned locking bolt 131 to contract receipts backward.

As above-mentioned existing structure, its shortcoming is: the mechanism that wherein utilizes electromagnet principle control locking bolt 131 to stretch, mainly be that elastic force by a pressure-proof spring 133 makes it can keep protruding at ordinary times and be stuck in the kenel of dead bolt 12 stopper sections 121, and a described elastic force is for ease of allowing the magnetic force of electromagnetic coil 132 can make locking bolt 131 receipts that contract backward easily, so that the elastic force of described pressure-proof spring 133 still belongs to is limited; And having the magnetic effect, to cause described locking bolt 131 must be to make with ferrous metal, and its weight is heavier; Therefore, the direction that national treasury is contracted behind locking bolt 131 as the people is heavily fallen or when thumping, described locking bolt 131 can produce bigger inertia kinetic energy and contract and release after automatically with the elastic force of breaking through pressure-proof spring 133, and causing can improper mode pirate of the open national treasury, the due antitheft effect of forfeiture national treasury.

For improveing the disappearance of above-mentioned existing mechanism, cause this case applicant and before proposed the antitheft opening mechanism of another national treasury coded lock (application case number: 97203354, as shown in Figure 2), it is to be provided with a burglar-proof mechanism 22 in addition in Electromagnetic Control mechanism 21 1 sides, after producing, the locking bolt 211 of attempting to make with illegal means Electromagnetic Control mechanism 21 in the gravity impact mode contracts and during the pirate of the open national treasury, a described burglar-proof mechanism 22 meetings generation one inertia force simultaneously, and chain reaction stretching out a pin 221 perpendicular to locking bolt 211 moving directions, produce braking effect with locking bolt 211, can reach the purpose of anti-pirate of the open with expectation Electromagnetic Control mechanism 21; Though this structure can effectively reach the effect of anti-pirate of the open, the structure of burglar-proof mechanism 22 wherein is comparatively complicated, and part is many, and cost is high and do not have an economic benefit.So,, necessity of research and development improvement is again arranged in fact to above-mentioned two kinds of existing national treasury coded lock structures.

This case creator because above-mentioned two kinds of existing national treasury coded locks structure in the use or tangible disappearance is respectively arranged on the cost of manufacture, and think and still have the space of improvement with necessary above-mentioned existing structure; Study intensively, and long-pending individual is engaged in the many years of experience of described cause manufacturing and design, designs a kind of improvement of brand-new national treasury coded lock eventually again and construct.

Summary of the invention

Main purpose of the present utility model is providing a kind of improvement structure of national treasury coded lock, wherein the locking bolt of backstop dead bolt rotation drives turn-off by motor, can prevent from illegally to open in the mode of bump, and can reach and simplify the internal structure of an organization, be convenient to assembling, the effect that reduces cost.

In order to achieve the above object, the improvement of national treasury coded lock described in the utility model structure comprises that mainly being installed in lock housing interior a dead bolt and a locking bolt controlling organization forms, and a described locking bolt controlling organization includes a motor, a locking bolt and a resetting spring; Wherein: motor is fixed within the lock housing, and is driven by the button or the inductor control in lockset front; Locking bolt is fixed on the axle center of motor, can rotate the stop position of disengaging corresponding to the rear, stopper section of dead bolt with the rotation of axle center of motor, or put the stop position at rear, above-mentioned stopper section through the elastic force of motor reverse drive or resetting spring; Resetting spring one end is fixed on the lock housing, and the other end is fixed on the locking bolt, can make locking bolt automatically revert to locked position corresponding to the rear, stopper section of dead bolt in motor counter-rotating or when running out of steam.

When using as above-mentioned tectonic association, close and wherein dead bolt when outwards stretch on the way when the national treasury door, locking bolt makes its position that is absorbed in rear, dead bolt stopper section automatically by the strength of resetting spring, and has the rotation of the dead bolt of prevention to be the state of locking; Again, after described locking bolt controlling organization is because of the keyboard of outside or inductor input proper password, can make motor drive the locking bolt rotation by the conducting electric current, and then make locking bolt withdraw from stop position and be released state; Therefore, structure of the present utility model is very simplified, and is easy to assembling, and self energy reduces the manufacturing cost of product; Secondly, the motion mode of the locking bolt in the utility model is with the axle center driven rotary of motor, rather than generally the locking bolt of existing electromagnet mechanism is straight-line kenel, so structure of the present utility model can't utilize the bump mode pirate of the open along the locking bolt direction of motion again, activation promotes the antitheft effect of described lockset.

Description of drawings

Fig. 1 is the flat assembly drawing of an existing structure;

Fig. 2 is the flat assembly drawing of another existing structure;

Fig. 3 is the locking states flat assembly drawing of embodiment of the present utility model;

Fig. 4 is the three-dimensional exploded view of the locking bolt controlling organization in the utility model;

Fig. 5 is the released state flat assembly drawing of embodiment of the present utility model.

Description of reference numerals: 11-lock housing; The 12-dead bolt; 13-Electromagnetic Control mechanism; The 121-stopper section; The 131-locking bolt; The 132-electromagnetic coil; The 133-pressure-proof spring; 21-Electromagnetic Control mechanism; The 22-burglar-proof mechanism; The 211-locking bolt; The 221-pin; The 31-lock housing; The 32-dead bolt; 33-locking bolt controlling organization; The 321-stopper section; The 331-motor; The 332-locking bolt; The 333-resetting spring.

The specific embodiment

Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the utility model is above-mentioned.

Please consult Fig. 1 earlier to shown in Figure 3, the improvement structure of the national treasury coded lock shown in the present embodiment, comprise that mainly being installed in lock housing 31 an interior dead bolt 32 and locking bolt controlling organizations 33 forms, a described locking bolt controlling organization 33 includes a motor 331, a locking bolt 332 and a resetting spring 333; Motor 331 wherein is fixed within the lock housing 11, and is driven by the button or inductor (existing structure, the graphic omission) control in lockset front; Locking bolt 332 is fixed on the axle center of motor 331, can rotate the stop position of disengaging with the rotation of axle center of motor, or put the stop position at 321 rears, above-mentioned stopper section through the elastic force of motor 331 reverse drive or resetting spring 333 corresponding to 321 rears, stopper section of dead bolt 32; Resetting spring 333 1 ends are fixed on the lock housing 11, and the other end is fixed on the locking bolt 332, can make locking bolt 332 automatically revert to locked position corresponding to 321 rears, stopper section of dead bolt 32 in motor 331 counter-rotating or when running out of steam.

As above-mentioned structure, when wherein when dead bolt 32 stretches out, locking bolt 332 makes its position that rotates into 321 rears, dead bolt stopper section automatically by the strength of resetting spring 333, and has 32 rotations of the dead bolt of prevention to be the state of locking; Again, when described locking bolt controlling organization 33 be because of the keyboard of outside or inductor input proper password after, can make motor 331 drive locking bolts 332 rotations by the conducting electric current, and then make locking bolt 332 withdraw from stop position and be released state (as Fig. 5); Therefore, structure of the present utility model is very simplified, and is easy to assembling, and self energy reduces the manufacturing cost of described product.

Secondly, the motion mode of the locking bolt 332 in the utility model is with the pressure power driven rotary of motor 331, its direction of motion nonlinear state but circular motion, the locking bolt that is not generally existing electromagnet mechanism is straight-line kenel, comes pirate of the open so structure of the present utility model can't utilize along locking bolt 332 directions of motion again in the bump mode; Again, locking bolt 332 of the present utility model is not because of being with magnetically-actuated, so it can adopt the light material (as aluminium alloys) of nonferrous metal, and horsepower that can be less drives, and the mode of promptly using bump or knocking can not produce too big inertia force to it yet, so also being difficult to make locking bolt 332 to produce enough power goes to break through the strength of resetting spring 333 and produces rotation, therefore mechanism of the present utility model can go to do the work of locking and release with the simplest mechanism, and can promote the antitheft effect of described lockset, and then can reduce cost and promote the competitiveness in market.

More than explanation is just illustrative for the utility model; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection domain of the present utility model.

Claims

1. the improvement of national treasury coded lock structure mainly is made up of the dead bolt and the locking bolt controlling organization that are installed in the lock housing; It is characterized in that described locking bolt controlling organization includes a motor, a locking bolt and a resetting spring; Wherein:

Described motor is fixed within the lock housing, by the button or the inductor control driving in lockset front;

Described locking bolt is fixed on the axle center of described motor, rotates the stop position of disengaging corresponding to the rear, stopper section of dead bolt with the rotation of described axle center of motor, or orders about the stop position that it puts the rear, stopper section through the elastic force of described resetting spring;

Described resetting spring one end is fixed on the described lock housing, and the other end is fixed on the described locking bolt, makes described locking bolt automatically revert to locked position corresponding to the rear, stopper section of described dead bolt when described motor runs out of steam.

2. the improvement of national treasury coded lock according to claim 1 structure is characterized in that, described locking bolt is ordered about it and is returned to locked position corresponding to the rear, stopper section of described dead bolt by described motor counter-rotating.