CN2639452Y

CN2639452Y - Springless blade lock

Info

Publication number: CN2639452Y
Application number: CN 03231948
Authority: CN
Inventors: 吴其良
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-06-06
Filing date: 2003-06-06
Publication date: 2004-09-08
Anticipated expiration: 2013-06-06

Abstract

A springless blade lock, includes a key (1), a lock body (3), a lock core (5) arranged in the lock body for relative rotation, a rigid lock stud (2) arranged between the lock body (3) and the lock core (5), a movable blade slot (5) provided on the lock core (5), a plurality of blades (6) with limit dummies inserted between the lock body (3) and the lock core (5), a slot tooth (61) fitting with the key (1) arranged in the center of the blade (6), a semi-circular limit groove (62) arranged on the external circumference of the blade (6) and fit with the lock stud (2), a circular slot (32) arranged on the cylindrical surface of the inner hole of the lock body (3) fitting with the lock core and fit with the lock stud (2), a transitional hole butterfly-shape elastic washer (16) arranged between each two blades (6) to improve the friction property, a drilling-proof sheet (4) arranged on the fitting end face between the lock body (3) and the lock core (5). The utility model has the advantages that the guiding property of the blade lock and forceful unlocking proof function are strengthened, the locking rigidity is improved. The utility model has favorable safety, large quantity of cipher keys, and provides smoothly motion of the blades.

Description

The spring-free blade lock

Technical field

The utility model relates to a kind of lockset technology, particularly relates to a kind of spring-free blade lockset technology, and it is applicable to that the strongbox and the weapon cabinet that require high degree of safety are supporting.

Background technology

Existing blade lockset is of a great variety, it is comparatively typically a kind of that " a kind of blade lockset " shown in the Chinese patent application number 02226408.6 wherein arranged, it is by tapered end, lock core, blade groove is arranged on lock core, be inserted with blade in the blade groove, the alveolus that matches with key is arranged on the blade, the draw-in groove that cooperates with blade is arranged on tapered end, positive stop lug boss is arranged on the blade, the screens that stops that matches with positive stop lug boss is arranged on lock core; When inserting key, the alveolus on the blade cooperates with key, and the blade two ends are concordant with the face of cylinder of lock core, and lock core and tapered end can relatively rotate; When extracting key out, blade tip enters the draw-in groove on the tapered end at random, and lock core and tapered end can not relatively rotate.Owing to be provided with positive stop lug boss on blade, when insertion group rod was stirred the draw-in groove of blade from tapered end, positive stop lug boss was stuck in and stops in the screens, forms straight line, can't measure the waveform of key; " a kind of blade lockset " its structure shown in this number of patent application 02226408.6 is comparatively simple, reasonable, and security performance is better, can prevent to measure by the alveolus on the blade situation of key waveform effectively.Yet its shortcoming is that the therefore anti-ability of opening by force is not ideal enough because relatively poor with the structural rigidity that stops screens that matches with positive stop lug boss on lock core at the positive stop lug boss on the blade.Traditional in addition spring-free blade lock, it is relative and open that lock groove on its lock core and blade loose slot are 180 degree, the lock diameter is again less than normal simultaneously, usually in 3 millimeter, when foreign matter is forced to be inserted into keyhole, can drive blade and shift to the blade loose slot a little, owing to blade loose slot and lock groove are relative the opening of 180 degree, be easy to cause the blade loose slot to open, cause the gap to become big, whole lock is dropped in the lock groove, lose due screens effect, so this spring-free blade lock is easy to open by force with foreign matter, the geocoded activity groove of lock body is not directly to open on lock body usually in addition, adopt other annex to realize, so anti-drilling pick-proof performance is poor, we do further improvement every all needs.

Summary of the invention

Technical problem to be solved in the utility model is to overcome above-mentioned weak point of the prior art, and a kind of spring-free blade that security performance is good, size of key is high, blade movement is level and smooth lock that adopts the lock device is provided.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this kind spring-free blade lock, it includes key, lock body, be arranged in the lock body and also can make lock core in relative rotation, on the described lock core blade groove is arranged, be inserted with blade in the described blade groove, the alveolus that matches with key is arranged on the described blade, on the described blade positive stop lug boss is arranged, the screens that stops that matches with positive stop lug boss is arranged on lock core, it is characterized in that: be provided with lock between lock body and the lock core, lock core is provided with the blade loose slot, be inserted with the blade of a plurality of band positive stop lug boss in the blade loose slot, the limited impression that matches with lock of circular arc is set on the excircle of blade, be provided with the lock groove that matches with lock on the cylinder of lock core and on the relative position of described blade loose slot, the arc groove that matches with lock also is set on described geocoded activity groove relative position on the lock body endoporus cylinder simultaneously, the surface of lock core is provided with positive stop lug boss, is provided for limiting simultaneously the geocoded activity groove of lock core positive stop lug boss rotational angle on lock body endoporus cylinder.

Diameter on the above-mentioned blade loose slot circumference between position and lock core center and the lock groove is the deflection certain angle, and it is good that this angle is controlled at 30-60 degree scope.

Above-mentioned lock body geocoded activity groove and described arc groove are to be molded directly within on the lock body endoporus cylinder and as a whole.

Above-mentioned lock core adopts the tapered end cover plate of band nut to fixedly connected with described lock body.

Above-mentioned lock diameter design is 3 millimeters to 6 millimeters scopes.

Above-mentioned blade center is provided with the molar that matches with described key gathering sill.

Be provided with the frictional behaviour that is used to improve the lock core action and the mesopore butterfly elastic washer of action sensitivity thereof between the blade, mesopore butterfly elastic washer excircle has the positive stop lug boss that matches with blade loose slot on the lock core and the limited impression that matches with lock of circular arc.

When extracting key out, the molar on the described blade matches with the alveolus of described key; The limited impression of described blade departs from described lock, at this moment, described lock is locked in the arc groove of the locked groove of described lock core and lock body, and concordant with the external cylindrical surface of described blade, lock produces the screens effect, and lock core and lock body can not relatively rotate.When inserting described key, described lock enters in the described limited impression of described blade at random, and lock core and lock body can be relatively rotated, and has locked thereby can open.

Compared with prior art, advantage of the present utility model is: 1. gathering sill is set on the key, the molar that matches with the alveolus of key is set on the blade, thereby reduces the space that foreign matter enters keyhole, the function of having strengthened steering capability again and having prevented to open by force; 2. the lock of using overstriking has increased the locking rigidity greatly; 3. the operating angle of lock core improves, and makes lock groove skew blade loose slot, increases the anti-ability of opening by force; 4. the geocoded activity groove of lock body and lock groove are as a whole, and lock core adopts the lock core cover of band nut fixedly connected; Between lock body and end face that lock core matches, anti-drilling sheet is set, increased protecting against shock intensity with and integral rigidity; 5. security performance is good, size of key is high, blade movement is level and smooth.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the A-A sectional view of locking-in state of the present utility model and the Fig. 1 when extracting key out;

Fig. 3 is the A-A sectional view of open mode of the present utility model and the Fig. 1 when inserting key;

Fig. 4 is a blade construction schematic diagram of the present utility model;

Fig. 5 is a Key structure schematic diagram of the present utility model;

Fig. 6 is the B-B sectional view of Fig. 5;

Fig. 7 is a mesopore butterfly elastic washer structural representation of the present utility model;

Fig. 8 is the A-A sectional view of Fig. 7.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Fig. 1 to Fig. 8 shows an embodiment of wooden utility model.It comprises key 1, lock body 3, be arranged in the lock body 3 and can make in relative rotation lock core 5 and lock body 3 and lock core 5 between a lock 2 is set; On described lock core 5, blade loose slot 52 is set, be inserted with a plurality of blades 6 with a positive stop lug boss 63 in the described blade loose slot 52, the blade 6 of described band positive stop lug boss can be in the endoporus of described lock core 5 and along rotating an angle in the scope of described blade groove 52; The center of described blade 6 is provided with a molar 61 that matches with described key 1 gathering sill 101; The limited impression 62 that matches with described lock 2 of one semicircular arc is set on the excircle of described blade 6; Between per two described blades 6, be provided with one and be used to improve the frictional behaviour of described lock core 5 actions and the mesopore butterfly elastic washer 16 of action sensitivity thereof, the positive stop lug boss 163 that mesopore butterfly elastic washer 16 excircle bands one match with blade loose slot 52 on the described lock core 5 is provided with the limited impression 162 that matches with described lock 2 of a semicircular arc on the excircle of described elastic washer 16.More than the diameter overstriking to 3 of described lock 2 millimeter, it is good being generally 3-6 millimeter scope, to increase the locking rigidity.

The one lock groove 51 that matches with described lock 2 is being set on the cylinder of described lock core 5 and on the relative position of its described blade loose slot 52, the described blade loose slot 52 of described lock groove 51 skews, say that exactly the diameter between the position and lock core center and lock groove is the deflection certain angle on the blade loose slot circumference, it is good that this angle is controlled at 30-60 degree scope, so easy installation blade, simultaneously stressed also relatively more reasonable, as Fig. 2, be in order to increase the anti-ability of opening by force.On the cylinder that matches with described lock body 3 endoporus above the described lock core 5, a positive stop lug boss 53 is set, the one geocoded activity groove 31 that is used to limit lock core positive stop lug boss 53 rotational angles is set on described lock body 3 and the endoporus cylinder that described lock core 5 matches, and described positive stop lug boss 53 matches with the geocoded activity groove 31 of lock body 3 and limits.

Described lock body 3 is within it on the cylinder of hole and an arc groove 32 that matches with lock 2 is set on the relative position of geocoded activity groove 31.The geocoded activity groove 31 and the described lock groove 51 of lock body 3 are directly to open on lock body endoporus cylinder, thereby constitute an integral body, are in order to improve the integral rigidity of the utility model lock.

Described lock core 5 adopts the tapered end cover plate 9 of band nut to fixedly connected with lock body 3.At the front end of described lock core 5 by lock core cover 13 fork plate 11 that fixedly is spirally connected, described fork plate 11 fixedly connected shift fork posts 12, the Push And Release of described shift fork post 12 control strongboxs and weapon cabinet door.

Between the interior hole end surface of described lock body 3 and the end face that described lock core 5 matches, an anti-drilling sheet 4 in order to protection lock core and blade is set.

Use is such: the utility model is to be fixedly mounted on the casing of strongbox by nut 8, and when extracting key 1 out, the molar 61 on the described blade 6 matches with the alveolus of described key 1; The limited impression 62 of described blade 6 departs from described lock 2, at this moment, in the lock groove 51 that described lock 2 is locked in described lock core 5 and the arc groove 32 of lock body 3, and it is concordant with the external cylindrical surface of described blade 6, as shown in Figure 2, lock 2 produces the screens effect, and lock core 5 can not relatively rotate with lock body 3; When inserting described key 1, turn an angle again, make lock 2 enter in the described limited impression 62 of described blade 6 and in the limited impression 162 of elastic washer 16, lock 2 loses the screens effect, lock core 5 can relatively rotate with lock body 3, as shown in Figure 3.

Claims

1, a kind of spring-free blade lock, it includes key, lock body, be arranged in the lock body and also can make lock core in relative rotation, on the described lock core blade groove is arranged, be inserted with blade in the described blade groove, the alveolus that matches with key is arranged on the described blade, on the described blade positive stop lug boss is arranged, the screens that stops that matches with positive stop lug boss is arranged on lock core, it is characterized in that: be provided with lock (2) between lock body (3) and the lock core (5), lock core (5) is provided with blade loose slot (52), be inserted with the blade (6) of a plurality of band positive stop lug boss (63) in the blade loose slot (52), the limited impression (62) that matches with lock (2) of circular arc is set on the excircle of blade (6), be provided with the lock groove (51) that matches with lock (2) on the cylinder of lock core (5) and on the relative position of described blade loose slot (52), the arc groove (32) that matches with lock (2) also is set on described geocoded activity groove (31) relative position on lock body (3) the endoporus cylinder simultaneously, the surface of lock core (5) is provided with positive stop lug boss (53), is provided for limiting simultaneously the geocoded activity groove (31) of lock core positive stop lug boss (53) rotational angle on lock body endoporus cylinder.

2, spring-free blade according to claim 1 lock is characterized in that the diameter between the position and lock core center and lock groove (51) is the deflection certain angle on its circumference of described blade loose slot (52).

3, spring-free blade according to claim 2 is locked, and it is characterized in that described angle is controlled at 30-60 degree scope.

4, spring-free blade according to claim 1 lock is characterized in that its geocoded activity groove (31) of described lock body (3) and described arc groove (32) are to be molded directly within on lock body (3) the endoporus cylinder and as a whole.

5, spring-free blade according to claim 1 is locked, and it is characterized in that described lock core (5) and described lock body (3) adopt the tapered end cover plate (9) of band nut to fixedly connected.

6, spring-free blade according to claim 1 is locked, and it is characterized in that its diameter design of described lock (2) is 3 millimeters to 6 millimeters scopes.

7, spring-free blade according to claim 1 is locked, and it is characterized in that its center of described blade (6) is provided with the molar (61) that matches with described key (1) gathering sill.

8, spring-free blade lock according to claim 1, it is characterized in that being provided with between the described blade (6) frictional behaviour that is used to improve lock core (5) action and the mesopore butterfly elastic washer (16) of action sensitivity thereof, mesopore butterfly elastic washer (16) excircle has the positive stop lug boss (163) that matches with blade loose slot (52) on the lock core (5) and the limited impression (162) that matches with lock (2) of circular arc.

9, spring-free blade lock according to claim 1, the front end that it is characterized in that described lock core (5) fixedly is bolted with fork plate (11) by lock core cover (13), the shift fork post (12) of the Push And Release of fixedly connected control strongbox of described fork plate (11) and weapon cabinet door.

10, spring-free blade according to claim 1 lock is characterized in that described lock body (3) in it between hole end surface and the end face that lock core (5) matches, is provided with in order to protect the anti-drilling sheet (4) of lock core and blade.