CN2471885Y

CN2471885Y - Two stage blade lock

Info

Publication number: CN2471885Y
Application number: CN 01218030
Authority: CN
Inventors: 管罕敏; 吴晓荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-03-22
Filing date: 2001-03-22
Publication date: 2002-01-16
Anticipated expiration: 2011-03-22

Abstract

The utility model discloses a lock with the double stage blades, comprising a case of lock, a lock-tongue and a return board of the lock-tongue; wherein, a plurality of blades are stacked in the front and at the back of the return board of the lock-tongue; an oblong hole is positioned on the blades, which can move the blades upward and downward; the oblong hole is sleeved on a straight pin fixed to the bottom of the case of lock; a key hole and a horizontal channel with a shape like a Chinese character ''Wang'' are positioned on the blades; an abnormity square bar is fixed on the return board of the lock-tongue provided with a keyway; the abnormity square bar is inserted into the horizontal channel with the shape like a Chinese character ''Wang'', and a plurality of springs pressing the blades are positioned on the blades. The utility model has the advantages that the lock with the double stage blades can be widely used in the coded locks of the domestic safe and the commercial small sized safe, which is not only safe and reliable, but also has a low price.

Description

Twin-stage blade lock

The utility model relates to a kind of lockset.

Along with the raising of people's living standard, a kind of coffret that is used to display family's valuables, important document certificate arises at the historic moment, and the heart component coded lock of strongbox has become vital product.At the application of domestic consumer and commercial small sized applications, product must be: use simple, safe and reliable, cheap.The common spring door lock is because the password number that provides is very limited and problem such as intensity pick-proof, and obviously safety is nowhere near.Though and that specialty is used for the coded lock that commercial important events use is safe and reliable since mechanism huge, cost an arm and a leg, be not suitable for the application of small sized applications and family equally.

The purpose of this utility model is: a kind of twin-stage blade lock is provided, it is at domestic consumer and the commercial general characteristics of using, utilize the lamination combination of multilayer mechanical blade, and one carry out opening and closing to private key, esy to use, safe and reliable, make simply, cheap, password quantity is big, the pick-proof performance is good.

The technical solution of the utility model is: a kind of twin-stage blade lock, comprise lock body, dead bolt and dead bolt slide plate, the front and back of described dead bolt slide plate are folded and are provided with some blades, blade is provided with the slotted hole that blade is moved up and down, slotted hole is enclosed within on the pin that is fixed in the lock body bottom, and blade is provided with keyhole and horizontal king's word passage, is fixed with special-shaped square bar on the described dead bolt slide plate and is provided with key groove, the abnormity square bar inserts in horizontal king's word passage, and described blade is provided with the spring that it is pressed down.

The technical scheme that the utility model is detailed is: a kind of twin-stage blade lock, comprise lock body, dead bolt and dead bolt slide plate, the front and back of described dead bolt slide plate are folded and are provided with some blades, blade is provided with the slotted hole that blade is moved up and down, slotted hole is enclosed within on the pin that is fixed in the lock body bottom, blade is provided with keyhole and horizontal king's word passage, is fixed with special-shaped square bar on the described dead bolt slide plate and is provided with key groove, and special-shaped square bar inserts in horizontal king's word passage; The front portion of described blade is provided with the cover plate that is fixed on the pin, and cover plate is provided with can be for the key holder of key insertion; Described blade is provided with slotted hole, is provided with spring in the slotted hole, and the upper end of spring withstands on the lower side of dead bolt slide plate, and the lower end of spring is enclosed within on the projection that is fixed in the slotted hole downside; Described dead bolt slide plate is provided with the mobile guide groove, is inserted with a pin in the mobile guide groove and does guide effect; Described blade has six front and rear parts that are divided into the dead bolt slide plate; The bottom of described lock body is provided with the key positioner hole.

The utility model has the advantages that:

1. the utility model can be widely used in the coded lock of home safe, commercial small-sized strongbox, and is both safe and reliable, cheap again.

2. the utility model need not great amount of investment, only needs a small amount of punch press and mould just can produce most of part, and adopts mold production, has both guaranteed quality, has improved production efficiency again.

The utility model will be further described below in conjunction with drawings and Examples:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is a cross-sectional view of the present utility model;

Fig. 3, Fig. 4 are two cross-sectional view of Fig. 2;

Wherein: 1 lock body; 2 dead bolts; 3 dead bolt slide plates; 4 blades; 5 slotted holes; 6 pins; 7 keyholes; 8 horizontal king's word passages; 9 special-shaped square bars; 10 key groove; 11 springs; 12 cover plates; 13 keys; 14 key holders; 15 slotted holes; 16 projections; 17 mobile guide grooves; 18 key positioner holes.

Embodiment: as shown in the figure, a kind of twin-stage blade lock, comprise lock body [1], dead bolt [2] and dead bolt slide plate [3], the folded some blades [4] that are provided with in the front and back of described dead bolt slide plate [3], blade [4] has six front and rear parts that are divided into dead bolt slide plate [3], blade [4] is provided with the slotted hole [5] that blade [4] is moved up and down, slotted hole [5] is enclosed within on the pin [6] that is fixed in lock body [1] bottom, blade [4] is provided with keyhole [7] and horizontal king's word passage [8], be fixed with special-shaped square bar [9] on the described dead bolt slide plate [3] and be provided with key groove [10], special-shaped square bar [9] inserts in horizontal king's word passage [8]; The front portion of described blade [4] is provided with the cover plate [12] that is fixed on the pin [6], and cover plate [12] is provided with the key holder [14] that can supply key [13] to insert; Described blade [4] is provided with slotted hole [15], is provided with spring [11] in the slotted hole [15], and the upper end of spring [11] withstands on the lower side of dead bolt slide plate [3], and the lower end of spring [11] is enclosed within on the projection [16] that is fixed in slotted hole [15] downside; Described dead bolt slide plate [3] is provided with mobile guide groove [17], is inserted with a pin [6] in the mobile guide groove [17] and does guide effect; The bottom of described lock body [1] is provided with key positioner hole [18].

When the user will open, at first key [13] being aimed at key holder [14] inserts, behind the key positioner hole [18] on key [13] the insertion lock body [1], clockwise rotate [13] angles of key earlier, blade [4] is lifted certain distance, make the special-shaped square bar [9] on the first order channel alignment dead bolt slide plate [3] of horizontal king's word passage [8], the key groove [10] that while key [13] is stirred dead bolt slide plate lower side, so that allow dead bolt slide plate [3] smoothly by and move right, because horizontal king's word passage [8] position on each blade [4] has nothing in common with each other, so being cooperated with blade [4], key [13] just can make passage all aim at special-shaped square bar [9], be rotated further key [13] to 180 ° of angles, abnormity square bar [9] also moves to the middle part of horizontal king's word passage [8], blade [4] is returned to original position under the effect of spring [11] like this, be rotated further key [13], blade [4] is lifted certain distance again, allow the second level channel alignment abnormity square bar [9] of horizontal king's word passage [8], the another side that must make key [13] equally and blade [4] second level passage that just can make blade [4] that matches is all aimed at special-shaped square bar [9], be rotated further key [13] to 360 ° of angles, dead bolt slide plate [3] is under the drive of key [13], by second level passage, while key [13] is stirred the key groove [10] of dead bolt slide plate lower side will lock unlatching, blade [4] is returned to original position again under the effect of spring [11], when finishing using, the user shuts behind the door, must move forward secondary by key [13] drive dead bolt slide plate [3] again, so just lock this two grade blades lock.

The utility model can be widely used in the coded lock of home safe, commercial small-sized strongbox, and is both safe and reliable, cheap again; The utility model need not great amount of investment, only needs a small amount of punch press and mould just can produce most of part, and adopts mold production, has both guaranteed quality, has improved production efficiency again.

Claims

1. a twin-stage blade is locked, comprise lock body [1], dead bolt [2] and dead bolt slide plate [3], it is characterized in that: the folded some blades [4] that are provided with in the front and back of described dead bolt slide plate [3], blade [4] is provided with the slotted hole [5] that blade [4] is moved up and down, slotted hole [5] is enclosed within on the pin [6] that is fixed in lock body [1] bottom, blade [4] is provided with keyhole [7] and horizontal king's word passage [8], be fixed with special-shaped square bar [9] on the described dead bolt slide plate [3] and be provided with key groove [10], abnormity square bar [9] inserts in horizontal king's word passage [8], and described blade [4] is provided with its spring that presses down [11].

2. twin-stage blade lock according to claim 1, it is characterized in that: the front portion of described blade [4] is provided with the cover plate [12] that is fixed on the pin [6], and cover plate [12] is provided with the key holder [14] that can supply key [13] to insert.

3. twin-stage blade lock according to claim 1, it is characterized in that: described blade [4] is provided with slotted hole [15], be provided with spring [11] in the slotted hole [15], the upper end of spring [11] withstands on the lower side of dead bolt slide plate [3], and the lower end of spring [11] is enclosed within on the projection [16] that is fixed in slotted hole [15] downside.

4. twin-stage blade lock according to claim 1, it is characterized in that: described dead bolt slide plate [3] is provided with mobile guide groove [17], is inserted with a pin [6] in the mobile guide groove [17] and does guide effect.

5. twin-stage blade lock according to claim 1, it is characterized in that: described blade [4] has six front and rear parts that are divided into dead bolt slide plate [3].

6. twin-stage blade lock according to claim 1, it is characterized in that: the bottom of described lock body [1] is provided with key positioner hole [18].