CN2499524Y

CN2499524Y - Reversible lock structure

Info

Publication number: CN2499524Y
Application number: CN 01253147
Authority: CN
Inventors: 董诚凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-08-17
Filing date: 2001-08-17
Publication date: 2002-07-10
Anticipated expiration: 2011-08-17

Abstract

The utility model relates to a but lock structure of back-locking, this lock is including an external lock portion, a locking piece and an internal lock portion, wherein this internal lock portion is by a saddle body and an outer spiral cover that has the back-locking piece is constituteed, this saddle system lock is fixed on interior door plant, the surface has a flange face, just hold outer spiral cover and establish, the flange face is interior and be equipped with a ring slot, ring slot both sides are equipped with a breach, and the knob one end of this outer spiral cover is equipped with a telescopic back-locking piece, back-locking piece bottom is equipped with a perpendicular to direction catch tip and just stretches into in the ring slot of saddle body flange face, by this, when the outer spiral cover is rotatory to the both sides side that has the breach, pull the back-locking piece and make the catch tip of back-locking piece bottom move into breach department and can make the outer spiral cover can's unable rotation of door internal lock and form a can be by the practical efficiency of back-locking tool to lock.

Description

The door latch structure that can lock

Technical field

The utility model relates to door lock, refers to a kind of door lock of locking especially.

Background technology

The framework of door is an important structure indispensable in the building system, raising along with the affluence and the quality of the life of economy, its form, style, material, structures etc. are all along with the trend in epoch changes, and the structure of door lock also is a member indispensable in the door leaf system, along with door bodily form formula, the difference of material, its kenel, structure is also had nothing in common with each other, and a kind of anti-theft lock structure of metal door system all is divided into inner lock part and outer lock part two parts, be locked in a body both sides respectively, and utilize two drive-connecting shafts to wear a body inner edge, with fixing core, make door lock possess the effect of locking, so, inner lock part wherein, it is to have swing handle control Inner door lock to open or lock is pulled, it is the kenel that is single start, no matter so as long as be by Men Nei or possess key outdoors and all can open, this is an effect of commonly using lockset, and the disappearance of this kind door lock is:

1. safety is not good, because commonly use the kenel that the lock solid structure system of lockset is single start, therefore, as within doors people during with the door lock locking, the people outside the room such as other have the key or the thieves or robbers who act under cover of night to have the ability of unblanking, and still door lock can be opened, form the doubt on the safety, have the locking of installing the latch class in addition again additional only, can improve this problem, so, as installing this kind lockset in addition additional, not only must pay in addition on cost, the expense, and, can be changed on space attractive in appearance, be not best improvement mode yet.

2. indecency in outward appearance, the assembly, the member of swing handle is a microscler plate body, utilizing shaft tip to wear lock body is connected mutually with the dead bolt of core, be convexly set in the lock body periphery, wherein, lock system places a body distolateral by some screw rod locks, because of swing handle can't be established the screw rod retaining, so form indecency on attractive in appearance, the necessity that is improved arranged.

Summary of the invention

Main purpose of the present utility model is to solve the above problems and a kind of locking effect of door latch structure and door latch structure of locking of home safety of can increasing is provided, and it also can increase the aesthetic property of door lock.

For reaching above-mentioned purpose, the door lock that the utility model can be locked, comprise an outer lock part, a locking part and an inner lock part, wherein, this inner lock part system is made up of a lock body and an outer spiral cover fit, and outer spiral cover can rotate on the lock body, is characterized in, this outward turning covers and is provided with a knob that protrudes for the outer spiral cover of its rotation, and a side of this knob is provided with one again can make outer spiral cover be fastened in the piece of locking of lock body.

According to another embodiment of the present utility model, this place, lock surface is provided with one and holds the sheathed round flange face of outer spiral cover, establish a circular groove groove in the flange surface, each tool one breach of circular groove groove both sides, and card central authorities are provided with the circular hole that the stopper tip that holds the interlock locking plate wears, and the both sides of circular hole are then respectively established consistent pore volume bolt and worn and be locked in the drive-connecting shaft; Should system of the inboard central authorities of outer spiral cover be concaved with a square hole, holding the stopper tip places, one side of knob system is provided with the screw of a lateral direction penetrating to the square hole, wear and the stopper tip that locks for a screw, the opposite side of knob then places for locking piece, this is locked the side that piece lies in by knob and forms a strip square column, this strip square column places in the square opening of knob side, lock piece again and vertically be provided with a clip tip to the bottom, should then form a horizontal elongated hole in the outer spiral cover appearance clip tip place of stretching into, make the clip tip can be, and stretch out outer spiral cover medial margin face and be positioned in the circular groove groove of inner base frame in the elongated hole intrinsic displacement; The edge place, exterior angle of the flange surface of this lock body can bury the ball that the angle edge is protruded in some summaries underground.

The utility model is placed on closure or openness on the lock body because of knob drives outward turning, not only makes the texture of lockset preferable, and the intensity of knob, handling be excellent all than traditional type, be provided with one in a side place of knob again and lock piece, more can promote the safety of door lock.

Description of drawings

Above-mentioned and other purpose of the present utility model and advantage, be not difficult from the detailed description and accompanying drawing of following selected embodiment, obtained deeply, certainly, the utility model is at some in addition on part, or allows in the arrangement of part different in addition, but selected embodiment, then in this manual, described in detail, and in accompanying drawing, showed its structure.

Fig. 1 is a schematic appearance of the present utility model.

Fig. 2 is a sectional perspective decomposing schematic representation of the present utility model.

Fig. 3 is the laterally partial sectional view of combination of the utility model.

Fig. 4 is the partial sectional view after the utility model lock is pulled.

Fig. 5 is the utility model partial sectional view longitudinally.

The specific embodiment

Head sees also shown in the accompanying drawing, a kind of door latch structure of locking of the utility model, this door lock mainly comprises an outer lock part 1, one locking part 2 and an inner lock part 3, wherein this inner lock part 3 is the interior outside of being located at a body 4 with outer lock part 1, and two drive-connecting shafts 5 and a locking plate 6 run through the locking part 2 that is stretched into a body 4 by door body 4 sides again, and stir dead bolt 21 in the locking part 2 to form lock solid structure by locking plate 6, its characteristics are: this inner lock part 3 is by a lock body 31, one tool is locked the outer spiral cover 32 and a stopper tip 33 of piece 325 and is formed, wherein, this lock body 31, be that the surface is provided with one and holds the sheathed round flange face 310 of outer spiral cover 32, establish a circular groove groove 311 in the flange surface 310, each tool one breach 312 of circular groove groove 311 both sides, 313, and card central authorities are provided with the circular hole 314 that the stopper tip 33 that holds interlock locking plate 6 wears, the edge of wall up and down in the hole wall also forms the slightly locating slot 3140 of indent, just cooperate elasticity on the stopper tip 33 decide pearl 330 tool effect of fixing a point when outer spiral cover 32 is rotated, a perforation 315 is then respectively established in the both sides of circular hole 314,316 appearance bolts 34 wear and are locked in the drive-connecting shaft 5, and the edge place, exterior angle of this flange surface 310 also is embedded with the ball 317 that the angle edge is protruded in some summaries in addition; Be provided with a protrusion knob 320 and should outer spiral cover 32 lie in cover cap 321, and cover on the flange surface 310 of lock body 31, its inboard central authorities are concaved with a square hole 322, just holding the stopper tip 33 leading portion square cylinders places, make outer spiral cover 32 can drive the stopper tip 33 movable rotation on lock body 31, and a side of knob 320 system is provided with the screw 323 of a lateral direction penetrating to the square hole 322, can wear to the screw 331 that is locked in the stopper tip 33 leading portion square cylinders for a screw 324, the opposite side of knob 320 then is to lock piece 325 for one to place, this is locked the side that piece 325 lies in by knob 320 and forms a strip square column 326, just utilize these strip square column 326 plants to go in the square opening 327 of knob 320 sides, and this strip square column 326 is provided with two grooves 3260,3260 ', connect to square opening 327 and establish a perforation 328 on knob 320 tops, can insert in regular turn in its hole by the decorative pearl on top of an official cap, the elasticity that spring and fixed leg are formed is decided pearl 329, make when locking piece 325 and penetrate in the knob 320, its decorative pearl on top of an official cap just is positioned in strip square column 326 groove 3260 in the inner part, and withdraw from lock outward when pulling when locking piece 325, its decorative pearl on top of an official cap then promptly slide in the outer part groove 3260 ' in, vertically be provided with a clip tip 3251 by locking piece 325 to the bottom, should then form a horizontal elongated hole 3210 in the outer spiral cover 32 cover caps 321 face clip tips 3251 places of stretching into, make the clip tip 3251 can be in elongated hole 3210 intrinsic displacements, and stretch out outer spiral cover 32 medial margin faces and be positioned in the circular groove groove 311 of lock body 31, make when outer spiral cover 32 be level to the time, can utilize this to lock piece 325 is pulled outwardly and moves, the clip tip of its bottom of mat is displaced to the breach 312 of circular groove groove 311 both sides, in 313, can make its outer spiral cover 32 rotate and reach the subsidy purpose of locking.

Claims

1. A door lock structure that can be locked back, mainly including an outer lock part, a lock catch and an inner lock part, wherein the inner lock part is composed of a lock base and an outer screw cover, and the outer lock The screw cap can be rotated on the lock base body. It is characterized in that a protruding knob is provided on the outer screw cover for it to rotate the outer screw cover, and one side of the knob is provided with a button that can make the outer screw cover fasten to the lock. The anti-lock block of the seat body.

2. The reversible lockable door lock structure according to claim 1, characterized in that, the surface of the lock seat is provided with a circular flange surface which is sheathed by an external screw cap, and a ring groove is provided inside the flange surface , there is a gap on both sides of the ring groove, and a round hole is provided in the center of the disk surface to allow the locking pin of the interlocking lock to pass through, and on both sides of the round hole is provided a through hole to allow the bolt to pass through and lock on the pivot. inside the shaft.

3. The anti-lockable door lock structure according to claim 1, characterized in that, the center of the inner side of the outer screw cover is provided with a square hole inwardly, and the holding pin is inserted, and one side of the knob is provided with a hole. The screw hole that runs through the square hole horizontally is used for a screw to pass through and lock the trigger pin, while the other side of the knob is used for the penetration of the anti-lock block. The anti-lock block is tied to the side of the knob to form a long bar. Square column, the strip-shaped square column is inserted into the square hole on the side of the knob, and the anti-lock block is provided with a snap pin vertically toward the bottom, and the outer screw cover accommodates the snap pin to form a horizontal The elongated hole enables the catch pin to be displaced in the elongated hole, and protrudes from the inner edge surface of the outer screw cap to be positioned in the ring groove of the inner seat body.

4. The reversible door lock structure according to claim 1 or 2, characterized in that a number of balls slightly protruding from the corner edge can be buried at the outer corner edge of the flange surface of the lock seat body.