CN2642952Y

CN2642952Y - Sliding lock with square lock pin

Info

Publication number: CN2642952Y
Application number: CN 03275798
Authority: CN
Inventors: 李永生
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-07-17
Filing date: 2003-07-17
Publication date: 2004-09-22
Anticipated expiration: 2013-07-17

Abstract

The sliding lock with square lock core relates to the technical field of the mechanical lock, which consists of a lock box, a lock jacket, a lock tongue and a tongue framework. The lock is characterized in that the lock jacket is a square block, the lower part of the lock jacket is provided with a square hole in the vertical direction, a plurality of horizontal sliding grooves are arranged on the right side of the lock jacket of the vertical square hole, a horizontal square hole is arranged on the upper part of the lock jacket, the lock core is rectangular-shaped, both walls of the lock core are movably enclosed in the vertical square holes of the lock jacket, a horizontal triangle tooth is projected at the center of the upper end surface of the lock core, the lock tongue is movably enclosed inside the horizontal square hole of the lock jacket, two or more saw-tooth grooves that are matched with the triangle tooth are arranged at the position corresponding to the triangle tooth position on the upper end surface of the lock core, a toggling button is fixed at the rear part of the lock tongue and is projected out of the lock box, the lock jacket is fixed inside the lock box, a compressing spring is arranged between the lower end surface of the lock core and the inner bottom of the lock box, the lock hole is arranged on the lock core or on the lock jacket. The sliding lock with square lock core can realize that after the key is plugged in to the lock, the right and the left sliding pins can make contact on the plane, the lock can make a stable movement up and down so as to improve the precision of the lock.

Description

The slip square shaped lock core lock

The field: the utility model relates to the mechanical lock technology.

Prior art: present mechanical door lock used in everyday, generally form by lock housing, lock tube, lock core, fixing shift fork, the dead bolt corresponding in lock core rear end with shift fork.One row's circular hole is arranged in the lock tube, the pin that binds, spring are installed in the circular hole, go up sliding pin, lower slide pin, after relying on key to inject lockhole, when the line of demarcation that makes sliding pin and lower slide pin is the face of cylinder movingly of circle in lock core cylindrical and the lock tube just, lock core rotates in can justifying in lock tube, the shift fork that is fixed on the lock core rear end is rotated, and shift fork is stirred the dead bolt translation and is realized unblanking.The defective that this universal architecture exists is: lower slide pin is to slide up and down in lock core, and the upper surface of lower slide pin is not the plane, but sphere.The radius of sphere is equal to or less than the lock core exradius, so that coincide the slyness of unblanking with the lock core cylindrical.But, if this moment, key had error, lower slide pin position summary low spot, and the plane that last sliding pin contacts with it heads on the sphere of lower slide pin, and the cylinder lower surface cylindrical of last sliding pin does not fall into again in the chute of lock core, and lock core can rotate equally.That is to say that this kind precise structure degree is low, the flank of tooth height error value of key needs only between the height of the sphere top of lower slide pin upper surface and Spherical Bottom and just can unblank in the same old way.At present, though various lock has been done a lot of improvement, as two-sided lock, key is two row's grooves on a dull and stereotyped mainspring cock jewel; Or the four sides lock, key is " ten " word zigzag, but does not all break away from this lock core rotational structure, does not all eliminate this error; That is to say that precision is not high.

Summary of the invention: the purpose of this utility model is to overcome above-mentioned defective, the slip lock core lock that provides a kind of square shaped lock core to move up and down.

Scheme of the present utility model is: lock tube is a square block, the lock tube bottom has the vertical direction square opening, have several horizontal concrete chutes on the lock tube of vertical square opening right side, vertical square opening antetheca has the vertical channel that moves up and down corresponding to key, lock tube top has the horizontal direction square opening, horizontal square opening becomes the intercommunication of " T " font with the vertical direction hole, lock core is rectangle, lock core front and rear wall and two side kink are in the vertical square opening of lock tube, the lock core upper surface central authorities horizontal direction rake tooth that arches upward, dead bolt is cuboid, its cross section kink is in the horizontal square opening of lock tube, have serrated slot accordingly plural and the rake tooth fit corresponding to rake tooth position, lock core upper surface, dead bolt front end kink is in the tongue hole of lock box, and the dead bolt rear portion is with button handsetting is arranged surely, this button handsetting protrudes outside lock box, lock tube is fixed in the lock box, in the vertical square opening of lock tube, between the lower surface of lock core and the inner bottom surface of lock box the compression spring is installed.

Second kind of scheme is that lock tube is a square block, the lock tube bottom has the vertical direction square opening, having several horizontal concrete chutes on the lock tube of vertical square opening right side reaches vertically to lockhole, between this horizontal concrete chute and corresponding square shaped lock core chute the pin that binds is installed, spring, right sliding pin, right sliding pin, lock tube top has the horizontal direction square opening, horizontal square opening becomes the intercommunication of " T " font with the vertical direction hole, lock core is rectangle, lock core front and rear wall and two side kink are in the vertical square opening of lock tube, the lock core upper surface central authorities horizontal direction rake tooth that arches upward, dead bolt is cuboid, its cross section kink is in the horizontal square opening of lock tube, have serrated slot accordingly plural and the rake tooth fit corresponding to rake tooth position, lock core upper surface, dead bolt front end kink is in the tongue hole of lock box, and the dead bolt rear portion is fixed with button handsetting, this button handsetting protrudes outside lock box, lock tube is fixed in the lock box, in the vertical square opening of lock tube, between the lower surface of lock core and the inner bottom surface of lock box the compression spring is installed.

Advantage of the present utility model is: one, the moving up and down movingly of square shaped lock core and lock tube square opening have overcome the error that spherical crown shape sliding pin that circular lock core exists brings, and make and realize plane contact between sliding pin, have improved the accuracy of lock.Its two, the mode that provides a lock core to slide, sliding pin plane contact planar slide, rational in infrastructure simple.

Description of drawings: accompanying drawing 1 is the utility model structural representation.

Accompanying drawing 2 is the A-A sectional view of accompanying drawing 1.

Accompanying drawing 3 is the B-B sectional view of accompanying drawing 1.

Accompanying drawing 4 is second kind of scenario-frame schematic diagram of the utility model.

Embodiment: the utility model is made up of lock box (8), lock tube (1), dead bolt (2), tongue frame.Lock tube (1) is a square block, lock tube (1) bottom has the vertical direction square opening, have several horizontal concrete chutes on the vertical square opening right side lock tube (1), vertical square opening antetheca has the vertical channel that moves up and down corresponding to key, lock tube (1) top has the horizontal direction square opening, horizontal square opening becomes the intercommunication of " T " font with the vertical direction hole, lock core (5) is rectangle, lock core (5) front and rear wall and two side kink are in the vertical square opening of lock tube (1), lock core (5) the upper surface central authorities horizontal direction rake tooth that arches upward, dead bolt (2) is cuboid, its cross section kink is in the horizontal square opening of lock tube (1), have serrated slot accordingly plural and the rake tooth fit corresponding to rake tooth position, lock core (5) upper surface, dead bolt (2) front end kink is in the tongue hole of lock box (8), dead bolt (2) rear portion is fixed with button handsetting (7), this button handsetting (7) protrudes outside lock box (8), lock tube (1) is fixed in the lock box (8), in the vertical square opening of lock tube (1), compression spring (6) is installed between the inner bottom surface of the lower surface of lock core (5) and lock box (8).Central authorities at lock core (5) have lockhole, and lock core (5) is gone up several horizontal concrete chute positions corresponding with lock tube (1) and also had several chutes, and the pin that binds, spring, right sliding pin (4), left sliding pin (3) are installed between two chutes successively.The front/rear end of lock core (5) is all blocked by the front and rear wall of the vertical square groove of lock tube (1), after key inserts lockhole, can move up and down in the vertical channel of the vertical square opening antetheca of lock tube (1).The left side of right sliding pin (4) is the plane, and the right side of left sliding pin (3) also is the plane, realizes plane contact between sliding pin.Fix a vertically pin in the front portion of dead bolt (2), make unblank after, this vertically sells the right side of retaining in lock tube (1), and the button handsetting (7) at dead bolt (2) rear portion had both played dead bolt (2) effect of stirring, play position-limiting action again, when shutting, after dead bolt (2) entered the tongue frame and puts in place, button handsetting (7) was blocked in the left side of lock tube (1).

When key was tabular, lockhole was vertically to square hole.

When key was zigzag, lockhole was level to square hole.

Second kind of scheme is that lockhole is not opened at lock core (5) and gone up and open on square opening right side, lock tube (9) bottom, the pin that binds, spring, left sliding pin (3), right sliding pin (4), lock tube (9) bottom square opening antetheca is installed between lock core (5) and lock tube (9) chute from left to right successively is enclosed shape, needn't opens the vertical trogue that key moves up and down.The difference of itself and first scheme is that key does not move up and down with lock core (5).

When unblanking, when key insertion lockhole makes left and right sides sliding pin contact surface be in the sliding contact surface of lock core (5) and lock tube (1), lock core (5) can be realized sliding up and down in the vertical square opening of lock tube (1), to the left or to the right move button handsetting (7) with hand this moment, promote the rake tooth of lock core (5) when the serrated slot on the dead bolt (2) is done translation, lock core (5) is moved downward, so that dead bolt (2) side-to-side movement, make dead bolt (2) withdraw from or enter tongue frame on the doorframe, realize that lock-opening style shuts.After hand left button handsetting (7), the compression spring (6) of lock core (5) lower surface can head on lock core (5) and reset, and extracts key again.

Claims

1, the slip square shaped lock core lock, comprise lock box, lock tube, dead bolt, the tongue frame, it is characterized in that lock tube (1) is a square block, lock tube (1) bottom has the vertical direction square opening, have several horizontal concrete chutes on the vertical square opening right side lock tube (1), vertical square opening antetheca has the vertical channel that moves up and down corresponding to key, lock tube (1) top has the horizontal direction square opening, horizontal square opening becomes the intercommunication of " T " font with the vertical direction hole, lock core (5) is cuboid, lock core (5) front and rear wall and two side kink are in the vertical square opening of lock tube (1), lock core (5) the upper surface central authorities horizontal direction rake tooth that arches upward, dead bolt (2) is cuboid, its cross section kink is in the horizontal square opening of lock tube (1), have serrated slot accordingly plural and the rake tooth fit corresponding to rake tooth position, lock core (5) upper surface, dead bolt (2) front end kink is in the tongue hole of lock box (8), dead bolt (2) rear portion is fixed with button handsetting (7), this button handsetting (7) protrudes outside lock box (8), lock tube (1) is fixed in the lock box (8), in the vertical square opening of lock tube (1), compression spring (6) is installed between the inner bottom surface of the lower surface of lock core (5) and lock box (8).

2, slip square shaped lock core lock according to claim 1 is characterized in that the left side of right sliding pin (4) is the plane, and the right side of left sliding pin (3) also is the plane.

3, slip square shaped lock core lock according to claim 1, when it is characterized in that key is tabular, lockhole is vertically to square hole.

4, slip square shaped lock core lock according to claim 1, when it is characterized in that key is zigzag, lockhole is level to square hole.

5, the slip square shaped lock core lock, comprise lock box, lock tube, dead bolt, the tongue frame, it is characterized in that lock tube (9) is a square block, lock tube (9) bottom has the vertical direction square opening, having several horizontal concrete chutes on the vertical square opening right side lock tube (9) reaches vertically to lockhole, between this horizontal concrete chute and corresponding square shaped lock core (10) chute pin that binds is installed, spring, left side sliding pin (3), right sliding pin (4), lock tube (9) top has the horizontal direction square opening, horizontal square opening becomes the intercommunication of " T " font with the vertical direction hole, lock core (10) is cuboid, lock core (10) front and rear wall and two side kink are in the vertical square opening of lock tube (9), lock core (10) the upper surface central authorities horizontal direction rake tooth that arches upward, dead bolt (2) is cuboid, its cross section kink is in the horizontal square opening of lock tube (9), have serrated slot accordingly plural and the rake tooth fit corresponding to rake tooth position, lock core (10) upper surface, dead bolt (2) front end kink is in the tongue hole of lock box (8), dead bolt (2) rear portion is fixed with button handsetting (7), this button handsetting (7) protrudes outside lock box (8), lock tube (1) is fixed in the lock box (8), in the vertical square opening of lock tube (1), compression spring (6) is installed between the inner bottom surface of the lower surface of lock core (10) and lock box (8).