CN201933869U - Elastic pin lock cylinder - Google Patents

Abstract

The utility model discloses an elastic pin lock cylinder, which comprises a shell, a cylinder body, a key and a cylinder body stopping slider. The slider and the cylinder body are in limiting fit, the rear end of the key is provided with a columnar pin, the key and the slider form a rotating-linear motion converting mechanism, the key is inserted into the lock cylinder and rotates so that a free end of the columnar pin is embedded in a slide groove, the columnar pin drives the stopping slider to linearly move along a compression direction of a top spring, the limiting fit relation between the front end of the slider and the rear end of the cylinder body is terminated, the total elastic pin lock cylinder is opened, after the key is taken out, the slider resets under the action of the top spring, locking between the cylinder body and the slider is recovered, double-stopping effect of the slider and a pin is realized, and unlocking cannot be realized if an optional stopping component is independently opened. The elastic pin lock cylinder really has effects of preventing prizing, drilling and forced opening, is high in safety, simple in structure and easy to be realized, and has excellent application prospect.

Description

Bullet nail lock core

Technical field

The utility model relates to lock, particularly a kind of bullet nail lock core.

Background technology

Take a broad view of lockmaking history, roughly can be divided into some generations to it.The first generation: folder spring lock; The second generation: iron sheet lock; The third generation: cylinder lock, the lock that the lock cylinder that generally uses on the promptly current market is made.Various on the market now lockset thousand strange hundred samples, innumerable, but the overwhelming majority belongs to the cylinder lock class, is the coded lock class secondly.Cylinder lock class about 95% is the single hop lock core, and only a few is the two-phase lock core.Marble lock key mainly contains a perpendicular type, a horizontal type (computerized print), cross, half-moon-shaped, magnetic key or the like.Occurred iron wire hook, chewing gum, cloth, comb, hit the method for unlocking more than ten kinds such as spoon and special-purpose lockaid gun at lock cylinder.And, easily cause by means of key and open mutually and the key tooth does not wait and opens mutually etc. because non-lock key all can enter lock core.Oneself key can advance others' family lock, have in addition can also drive others' family's lock, key configuration simultaneously is easily.For pick-proof, producer does not stint and is doing a lot of work on the key; For anti-drilling, mostly added anti-drilling sheet.Yet, still can't stop the breakthrough of various picklocks, picking lock technology, various high-new locksets are easy under the operation of master-hand ground just have been opened.What is more, uses Japan or the Israel's import tool that goes into operation by force, and damage property is opened lock fast.

However, the principle of cylinder lock is still paid attention to deeply, and all there are the constantly trendy lock cylinder of research and development of company in the U.S., Northern Europe, Israel, stop the locksmith that it is opened.

Be necessary to provide a kind of novel bullet nail lock core, overcome the existing single defective of cylinder of spring lock structure, effective pick-proof, anti-drilling, anti-lock, the security performance height, cost of production is low, and is simple in structure, is easy to realization.

The utility model content

The purpose of this utility model provides a kind of bullet nail lock core, on existing cylinder of spring lock structure, set up the lock core stop mechanism, realize the lock core lock mode that two stop mechanisms match, opening wherein any stop mechanism separately all can't unblank, overcome the existing single defective of lock cylinder structure, effective pick-proof, anti-drilling, anti-lock, security performance height, cost of production is low, and is easy to realize.

The bullet nail lock core that the utility model provides comprises housing, core body and key, core body and housing are rotatably assorted, the built-in housing pellet shot from a slingshot of housing, the built-in core body pellet shot from a slingshot of core body, key inserts in the keyhole on the core body, also comprises the core body stop slider, described slide block with can along core body vertically the mode of reciprocatingly sliding be arranged in the housing, fixedly install the top spring between slide block rear end and the housing and hold out against stop slider, cooperate along the circumferential rotary spacing of core body between slide block and the core body along the slide block glide direction;

Also comprise the slide block driven unit, described slide block driven unit is that post nail and crosswise fixed are arranged at the key rear end, slide block is provided with a chute near the surface of core body axis, and during the key rotation, post nail free end embeds chute and forms the rotation-rectilinear motion transformation mechanism that can make top spring compression.

Further, comprise also being used to locating part that slide block is cooperated with the core body rotary spacing that described locating part is a projection and makes one with slide block that core body tail end end surface is provided with an arc stopper slot around the core body axis; Projection to be embedding in the stopper slot with the arc stopper slot mode that cooperates that reciprocatingly slides, the pairing angle of arc length that core body can only the rotary spacing groove when making slide block not break away from stopper slot;

Further, also comprise the steel disc group that is used for support slipper, the steel disc group is arranged in the housing and is positioned at the core body tail end along the core body crosswise fixed, two adjacent steel discs are parallel, steel disc is provided with can be for key rotation and the guide hole that passes through, the slide block containing hole also is set on the steel disc corresponding with the slide position, and the top spring passes the steel disc group and withstands slide block;

Further, the steel disc group comprises at least four steel discs, guide hole and the slide block containing hole is made one and the hole internal diameter is followed closely free-ended length greater than core body axis to post on the steel disc corresponding with post nail position;

Further, housing tail end inboard is along self horizontally set anti-drilling sheet, anti-drilling sheet along core body circumferentially and housing be rotatably assorted, be communicated with keyhole on the anti-drilling sheet key guide hole be set;

Further, described key rear end is cylindrical, and the post nail radially is provided with along it; Stop slider is a crescent along the horizontal cross section of core body.

Need to prove that towards an end of key point, described rear end was meant the end away from the key point when front end of the present invention was meant use.

The beneficial effects of the utility model:

Bullet nail lock core of the present utility model has been set up and has been used to limit the core body stop slider that core body rotates, slide block with can along core body vertically the mode of reciprocatingly sliding be arranged in the housing, fixedly install the top spring between slide block rear end and the housing and hold out against slide block along the slide block glide direction, before the key turns, spacingly cooperate, vertically reciprocatingly slide along core body is circumferential between slide block and the core body along core body; Work as key turns, post nail promotes slide block, the compression of top spring, slide block slides to top spring compression direction, slide into certain distance after, slide block and core body disengage, thus the relation of spacing cooperation, core body is rotated further, the lock body unlatching; After taking out key, slide block resets under the spring effect of top, recovers spacing mated condition between core body and the slide block, has realized two stopping effects of slide block and pellet shot from a slingshot; Slide block rotates by the post nail and drives, simple and be easy to realize, the thief opens slide block separately or pellet shot from a slingshot all can't be unblanked, and is difficult to spy on, reckon, explore the arranging situation of pellet shot from a slingshot, is difficult for using existing various civilized unlocking tools to go to prize pellet shot from a slingshot, dark bitting etc.; Simultaneously owing to the housing parts that slide block is set is a fixing integral body, as long as it is not damaged, just can not rotate, and want to cross this piece housing and core body is rotated, this is unusual difficulty, really plays pick-proof, anti-drilling, anti-lock effect, safe, simple in structure, be easy to realize having market prospects.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 be Fig. 1 along A-A to sectional view;

Fig. 3 be Fig. 1 along B-B to sectional view;

Fig. 4 is the structural representation of key;

Fig. 5 is the enlarged drawing of C portion among Fig. 3;

Fig. 6 is the structural representation of steel disc 81 and steel disc 83;

Fig. 7 is the structural representation of steel disc 82, steel disc 84, steel disc 85 and steel disc 86;

Fig. 8 is the structural representation of steel disc 87;

Fig. 9 is the assembling drawing of steel disc 88 and anti-drilling sheet 24;

Figure 10 is the structural representation of core body tail end end surface..

The specific embodiment

As shown in the figure: the bullet nail lock core of present embodiment, comprise housing 1, core body 2 and key 3, core body 2 is rotatably assorted with housing 1, the built-in housing pellet shot from a slingshot 11 of housing, the built-in core body pellet shot from a slingshot 21 of core body, key 3 inserts in the keyhole 31 on the core body, present embodiment also comprises core body stop slider 4, slide block 4 with can along core body vertically the mode of reciprocatingly sliding be arranged in the housing 1, fixedly install top spring 5 between slide block 4 rear ends and the housing 1 and hold out against stop slider along the slide block glide direction, slide block and core body 2 are along circumferential spacing cooperation of core body, vertically reciprocatingly slide at core body, when slide block behind top spring compression direction slip certain distance, slide block and core body disengage, thereby remove the relation of spacing cooperation; Therefore, core body can be rotated further lock is opened, and has realized two stopping effects of slide block and pellet shot from a slingshot; The driving of slide block realizes by slide block driven unit 7 in the present embodiment, slide block driven unit 7 is the rear end that post nail and crosswise fixed are arranged at key 3, slide block 4 is provided with a chute 6 near the surface of core body axis, during the key rotation, post nail free end embeds chute 6 and forms the rotation-rectilinear motion transformation mechanism that can make 5 compressions of top spring, pry open the pellet shot from a slingshot in the core body separately, the stop limit assembly still limits core body and rotates, can't realize unblanking, if pellet shot from a slingshot is pried open, remove to prize slide block again, though might prize movingly, but can cause the interlock of slide block and post nail, make slide block by locked,, make it break away from core body if prize slide block earlier, removing to prize pellet shot from a slingshot again, is quite difficult equally.If think to prize core body and slide block simultaneously, tie in just but rotational angle is very difficult, thus the lockset of still not opening, pick-proof, anti-drilling, anti-lock excellent performance.

In the present embodiment, comprise also being used to make slide block 4 and the core body 2 spacing locating parts that cooperate 41 that described locating part 41 is a projection and makes one with slide block 4 that core body tail end end surface is provided with an arc stopper slot 20 around the core body axis; Projection makes slide block 4 not when top spring compression direction moves and breaks away from the arc stopper slot to embed in the stopper slot with arc stopper slot 20 mode that cooperates that reciprocatingly slides, and core body can only rotate the pairing angle of arc length of arc stopper slot; And work as key turns, and post nail driving sliding block moves, and projection moves to top spring compression direction with slide block, and after moving a certain distance, projection breaks away from deep-slotted chip breaker, has removed the spacing matching relationship of slide block and core body, and is simple in structure, is easy to realize.Certainly, adopt on the core body pin or projection are set, the structure of deep-slotted chip breaker is set on the slide block, can realize the purpose of this utility model equally.

Present embodiment also comprises the steel disc group that is used for support slipper, and the steel disc group is arranged in the housing and is positioned at the core body tail end along the core body crosswise fixed, and for the utility model, the steel disc quantity of steel disc group preferably is not less than 4.The steel disc group comprises steel disc 81, steel disc 82, steel disc 83, steel disc 84, steel disc 85, steel disc 86, steel disc 87 and steel disc 88 in the present embodiment, they are fixedly set in the housing by screw 15, two adjacent steel discs are parallel, steel disc is provided with can be for key rotation and the guide hole 10 that passes through, on the steel disc 81 corresponding with the slide position, steel disc 82, steel disc 83, steel disc 84, steel disc 85 and the steel disc 86 slide block containing hole 9 is set, the top spring runs through the steel disc group and an end withstands slide block, the other end withstands steel disc 87; Steel disc is easy to processing and manufacturing, is convenient to assemble with stop slider, can play the effect of anti-lock lock simultaneously, improves the anti-drilling pick-proof intensity of lockset.

In the present embodiment, steel disc 83 is corresponding with post nail position, and guide hole on the steel disc 83 and slide block containing hole 9 are made integrally formed circular port, and the hole internal diameter is followed closely free-ended length greater than core body axis to post, after being convenient to the key insertion, the post nail can rotate in steel disc 83.

In the present embodiment, housing tail end inboard is along self horizontally set anti-drilling sheet 24, anti-drilling sheet along core body circumferentially and housing be rotatably assorted, during concrete enforcement, anti-drilling sheet is stuck in circle in the steel disc 88, and along the circumferential direction is rotatably assorted with steel disc 88, is communicated with keyhole on the anti-drilling sheet key guide hole 101 is set, because of anti-drilling sheet free to rotate, bit drills is fashionable, and it also and then changes, and lock body can't be drilled easily goes out the space and comes, and, then use mounting 12 closure casing afterbodys in steel disc 88 outsides.Safety is higher.

In the present embodiment, described key rear end is cylindrical, and post nail 7 radially is provided with along it; Stop slider is a crescent along the horizontal cross section of core body, is convenient to install and slide.

Need explanation at last; above embodiment only is used to the technical solution of the utility model is described and is unrestricted; although the technical solution of the utility model is had been described in detail with reference to preferred embodiment; those skilled in the art are to be understood that; can make amendment or be equal to replacement the technical solution of the utility model; and not breaking away from aim of the present utility model and scope, it all should be encompassed in the middle of the protection domain of the present utility model.

Claims (6)

1. bullet is followed closely lock core, comprise housing (1), core body (2) and key (3), core body (2) is rotatably assorted with housing (1), the built-in housing pellet shot from a slingshot of housing (11), the built-in core body pellet shot from a slingshot of core body (21), key (3) inserts in the keyhole on the core body, it is characterized in that: also comprise core body stop slider (4), described slide block (4) with can along core body vertically the mode of reciprocatingly sliding be arranged in the housing (1), fixedly install top spring (5) between slide block (4) rear end and the housing (1) and hold out against stop slider, cooperate along the circumferential rotary spacing of core body between slide block (4) and the core body (2) along the slide block glide direction;

Also comprise slide block driven unit (7), described slide block driven unit is that post nail and crosswise fixed are arranged at the key rear end, slide block (4) is provided with a chute (6) near the surface of core body axis, during the key rotation, post nail free end embeds chute (6) and forms the rotation-rectilinear motion transformation mechanism that can make top spring (5) compression.

2. bullet nail lock core according to claim 1, it is characterized in that: also comprise being used to make slide block (4) and the spacing locating part that cooperates of core body (2) (41), locating part (41) is a projection and makes one with slide block (4) that core body tail end end surface is provided with an arc stopper slot around the core body axis; Projection is to embed in the arc stopper slot with the arc stopper slot mode that cooperates that reciprocatingly slides, and core body can only rotate the pairing angle of arc length of arc stopper slot when making slide block not break away from the arc stopper slot.

3. bullet nail lock core according to claim 1 and 2, it is characterized in that: also comprise the steel disc group that is used for support slipper, the steel disc group is arranged in the housing and is positioned at the core body tail end along the core body crosswise fixed, two adjacent steel discs are parallel, steel disc is provided with can be for key rotation and the guide hole (10) that passes through, slide block containing hole (9) also is set on the steel disc corresponding with the slide position, and the top spring runs through the steel disc group and withstands slide block.

4. bullet according to claim 3 nail lock core, it is characterized in that: the steel disc group comprises at least four steel discs, guide hole and the slide block containing hole is made one and the hole internal diameter is followed closely free-ended length greater than core body axis to post on the steel disc corresponding with post nail position.

5. bullet according to claim 4 nail lock core is characterized in that: housing tail end inboard is along self horizontally set anti-drilling sheet, anti-drilling sheet along core body circumferentially and housing be rotatably assorted, be communicated with keyhole on the anti-drilling sheet key guide hole be set.

6. night lock according to claim 5 is characterized in that: described key rear end is cylindrical, and the post nail radially is provided with along it; Stop slider is a crescent along the horizontal cross section of core body.

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