CN2242299Y - Structure of lock core - Google Patents

Abstract

The utility model discloses the structure of a lock core which is arranged on a locking head and has the function of theft protection. The utility model is mainly composed of a body, a theft-protection rod, a preset number of elastic elements, a preset number of tip bead rods, etc., wherein, a keyhole is arranged at the center of the body, and a preset number of holes are arranged on the body along the radial direction and led to the keyhole; the theft-protection rod is inserted and positioned in a hole at the forefront of the body to prevent a thief who uses a simple tool for inserting in the keyhole, achieving the theft-protection function. A key with a slit front portion is inserted in the keyhole and dodges the theft-protection rod through the slit, touching each tip bead rod to generate shift so that unlocking and locking are achieved.

Description

Lock core structure

The utility model relates to a kind of lock core structure, particularly relates to a kind of simple structure, and volume is little and have the lock core structure of anti-theft effect concurrently.

Rows of sheet lock lock core structure commonly used, (seeing Fig. 1, Fig. 2) is made up of the screening (8) and the spring institutes such as (9) of a body (7), predetermined number, it is that screening (8) and spring (9) are placed on respectively in the set screening hole (71) of this body (7), this screening (8) is fastened in body (7) and the tapered end sleeve (10), and reaches the purpose of locking; During use, as long as key is inserted in the screening (8) of this body (7) keyhole (72), can push this screening and make upper and lower displacement action moving to the place, location of unlikely generation blocking, promptly rotatable this body (7) and reach the purpose of unblanking; Its practicality is good, but because of this screening (8) is a rectangular configuration, level and smooth sense as the arc of shortage garden, disclose in this screening (8) when key and to be easy to produce the blocking situation, if clamp-on the key words by force, just can cause this screening (8) abrasion deformation then very soon, thereby causing this body (7) to go up its gap, set screening hole (71) strengthens, cause easily and become flexible, will inevitably reduce the precision of cooperation, impel the lock core structure of whole Rows of sheet lock to break down easily; In addition, the lock core structure of Rows of sheet lock commonly used is because of being subject to the difficulty in the manufacturing, all is to be that material gives die casting and forms with the kirsite usually, therefore is severely limited the indirect efficient that also can influence production on the material of making; Have again, the lock core structure of Rows of sheet lock commonly used, when meeting the burglar and desire to slip within doors, often the keyhole that only need borrow a simple tools to stretch into core can be pushed into this screening (8) place, location apace, perhaps borrowing electric drill to pierce keyhole destroys screening (8), can reach the purpose of unblanking, so anti-theft effect is very poor.Other has a kind of lock core structure (seeing Fig. 3, Fig. 4) of pearl lock commonly used, its component that are fastened between body (20) and tapered end sleeve (30) are to utilize the pearl of lock up and down (40) of predetermined number to replace foregoing screening to improve its precision, can reduce the chance that fault takes place; Yet, because the component of this lock pearl (40) are too much, and can produce following defective: one, because component are more, make lock pearl (40) and spring (50) no matter be make or device on body (20), all suitable time-consuming, take a lot of work, thereby increased manufacturing cost; Its two, more because of lock pearl component, relative this body (20) also must have enough big volume, the side is enough to hold so many lock pearl (40) and spring (50), consequently can't reach and dwindle the lock core structure volume, will form the phenomenon that takes up room; Its three, this lock core structure also can not prevent effectively that as the lock core structure of Rows of sheet lock the burglar from stretching into keyhole with simple tools lock core structure is unblanked, safety is very poor.

The utility model provides a kind of lock core structure, and one of its purpose is that it can bring into play barrier effect, makes the burglar can't utilize simple tool to insert in this keyhole, thereby can't reach the purpose of unblanking, and improves anti-theft effect; Two of its purpose is simplified structures, and is easy to manufacture, install rapidly, reaches the purpose of the lock that might make minimum volume; Three of its purpose is to improve assembly precision, reduces loosening distortion, reduces fault and takes place.

In order to achieve the above object, the technical solution that the utility model adopts provides a kind of lock core structure, and it comprises a body, and its upper edge axis direction is equipped with a keyhole, and the hole that radially offers predetermined number again is with by this keyhole; One anti-theft bar is to plug the hole that is positioned at forefront on this body, to prevent the direct insertion of key or other simple tools, can reach antitheft effect; The flexible member of predetermined number is to be installed in respectively in all the other set on this body holes; The tip strain bar of predetermined number, be after this each flexible member, also to be installed in the hole of this body, and pass this each flexible member, just be positioned in the set hole of this body, when manipulating,, and utilize its jag to flash this anti-theft bar as long as stretch into by this keyhole with the key of a leading portion position jag, promptly can touch each tip pearl bar and produce displacement, thus can reach unblank, locking.

Owing to adopted anti-theft bar in the above-mentioned solution, insert in this keyhole so as to stopping simple tool, can improve anti-theft effect.Again because the member of forming has been simplified in this case, thereby it is easy to manufacture, install rapidly, be suitable for a large amount of productions, reduced manufacturing cost, simultaneously, this core parts are less, reduced the phenomenon that takes up room, but reduced volume virtually, thereby can produce the lock of minimum volume, also can increase the excursion of lock core structure size.And because the assembly precision of its body of this lock core structure and component is quite high, the loosening distortion of the unlikely generation of part and body in the use is so can reduce the fault odds.

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.

Fig. 1 is the three-dimensional exploded view of prior art Rows of sheet lock lock core structure;

Fig. 2 is the radial section schematic diagram of prior art Rows of sheet lock lock core structure;

Fig. 3 is a prior art pearl lock lock core structure three-dimensional exploded view;

Fig. 4 is a prior art pearl lock lock core structure axial section schematic diagram;

Fig. 5 is the three-dimensional exploded view of the utility model core;

Fig. 6 is the bonding state axial section schematic diagram of the utility model core;

Fig. 7 is the bonding state radial section schematic diagram of the utility model core;

Fig. 8 is the unlocking condition axial section schematic diagram that the key of the utility model core demonstration inserts;

Fig. 9 is the unlocking condition radial section schematic diagram that the key of the utility model core demonstration inserts;

Figure 10 is that the key that the utility model core shows inserts the axial section schematic diagram that rotates 90 ℃;

Figure 11 is that the key that the utility model core shows inserts the radial section schematic diagram that rotates 90 ℃;

Figure 12 is the blocking axial section schematic diagram that the key of the utility model core demonstration is extracted;

Figure 13 is the blocking radial section schematic diagram that the key of the utility model core demonstration is extracted.

At first consult Fig. 5, Fig. 6, shown in Figure 7, a kind of lock core structure provided by the utility model, mainly be by a body (1), an anti-theft bar (2), a plurality of flexible members (3), and a plural number tip pearl bar (4) be formed by combining, wherein

This body (1), its upper edge axis direction are provided with the keyhole (11) of a circle, and the hole (12) that radially offers predetermined number along this body (1) again is with by this keyhole (11);

This anti-theft bar (2) is to plug the hole (12) that is positioned at this body (1) forefront, its role is to protect this body (1), to prevent the burglar key or other instruments is directly inserted in this keyhole (11), can obtain antitheft effect.

These a plurality of flexible members (3) are to adopt spring (3) according to present embodiment, are to be installed in respectively in set all the other holes (12) of body (1);

This plural number props up tip pearl bar (4), be after this each spring (3), also to be installed in the hole (12) of this body (1), and pass this each spring (3) and just be positioned in the set hole (12) of this body (1), when operation, as long as the key (5) with a leading portion position jag (51) is stretched into by this keyhole (11), and utilize its jag (51) to flash this anti-theft bar (2), promptly moved impel this each tip pearl bar (4) to move and reach unblank, locking; Wherein this tip pearl bar (4) is one cylindrical, it should be noted that, this tip pearl bar (4) top end is shaped to the cylinder of a broad, it is inserted be subjected in this each hole (12) that blocking is unlikely to come off, spring (3) can withstand the broad cylinder and drive tip axostylus axostyle (4) generation displacement simultaneously, it is identical with the bottom and down make a thinner column part, and middle place is the thinnest portion, in addition, between the thinnest and thin cylinder, make the circular cone inclined-plane, can be subjected to key (5) to be able to when pushing move sleekly; Because of this tip pearl bar (4) is in keyhole (11), so, have only its two-end part to insert on the entity of this body (1), then expose in this keyhole (11) at all the other positions, can reduce this body (1) actual volume.

The above, the mutual alignment that is each associated component assembling of the utility model core concerns and structure.

Use operation of the present utility model, as shown in Figure 5, when core is made up, as long as with a plurality of springs (3), plural number tip pearl bar (4) and anti-theft bar (2), be installed in the purpose that promptly reaches combination on the body (1), its profile construction such as Fig. 6, shown in Figure 7, and desire to unblank, can consult Fig. 8 during locking, Fig. 9, Figure 10, Figure 11, Figure 12, shown in Figure 13, core is inserted in this tapered end sleeve (6), this each tip pearl bar (4) is pushed by the tension force of this spring (3), its part just extend out to the groove (61) of tapered end sleeve (6) and this body (1) blocking is lived from the set hole (12) of body (1), and core can't be rotated and is latched in the tapered end sleeve (6); Otherwise, utilize this key (5) to stretch in the keyhole (11) of this body (1), with a plurality of conical bores (52) at its front end position this each tip pearl bar (4) being pushed into the place, location just makes this body (1) not be subjected to blocking, and rotate and rotating by this key (5), and then drive door bolt post is done flexible transmission, and when end of operation, this key (5) is extracted from the keyhole (11) of body (1), make this each tip pearl bar (4) be subjected to the elasticity tension effect of spring (3) and return to original blocking and locate, cause this core to rotate and locking, very practical in the use.

In addition, it is one cylindrical that this anti-theft bar (2) is made, as shown in Figure 5, its function is except that preventing that the burglar from utilizing instrument to stretch into this keyhole (11) unblanks, because of its periphery is slick and sly appearance, also have concurrently more difficult destroyed, when the burglar utilizes electric drill to bore the keyhole (11) of bad this body (1), also be difficult for this anti-theft bar (2) is destroyed, thereby improved theftproof performance.

Claims (3)

1. lock core structure is characterized in that this core comprises:

One body, its upper edge axis direction is provided with a keyhole, and the hole that radially offers predetermined number again is with by this keyhole;

One anti-theft bar plugs the hole that is positioned at described body forefront;

The flexible member of predetermined number is installed in respectively in all the other set on described body holes;

The tip pearl bar of predetermined number is also to be installed in the hole of this body after this each flexible member, and passes this each elasticity unit body, just is positioned in the set hole of this body.

2. lock core structure according to claim 1 is characterized in that and anti-theft bar can be made cylindrical shape.

3. lock core structure according to claim 1 is characterized in that described tip pearl bar can be set as cylindrical shape, and is being set as the circular cone inclined-plane with this key part system of touching.

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